Mon Mar 31 07:38:00 2008

Asterisk developer's documentation


chan_skinny.c

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00001 /*
00002  * Asterisk -- An open source telephony toolkit.
00003  *
00004  * Copyright (C) 1999 - 2005, Digium, Inc.
00005  *
00006  * chan_skinny was developed by Jeremy McNamara & Florian Overkamp
00007  * chan_skinny was heavily modified/fixed by North Antara
00008  *
00009  * See http://www.asterisk.org for more information about
00010  * the Asterisk project. Please do not directly contact
00011  * any of the maintainers of this project for assistance;
00012  * the project provides a web site, mailing lists and IRC
00013  * channels for your use.
00014  *
00015  * This program is free software, distributed under the terms of
00016  * the GNU General Public License Version 2. See the LICENSE file
00017  * at the top of the source tree.
00018  */
00019 
00020 /*! \file
00021  *
00022  * \brief Implementation of the Skinny protocol
00023  *
00024  * \author Jeremy McNamara & Florian Overkamp & North Antara
00025  * \ingroup channel_drivers
00026  */
00027 
00028 
00029 #include "asterisk.h"
00030 
00031 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
00032 
00033 #include <stdio.h>
00034 #include <stdlib.h>
00035 #include <string.h>
00036 #include <unistd.h>
00037 #include <sys/socket.h>
00038 #include <netinet/in.h>
00039 #include <netinet/tcp.h>
00040 #include <sys/ioctl.h>
00041 #include <net/if.h>
00042 #include <errno.h>
00043 #include <fcntl.h>
00044 #include <netdb.h>
00045 #include <arpa/inet.h>
00046 #include <sys/signal.h>
00047 #include <signal.h>
00048 #include <ctype.h>
00049 
00050 #include "asterisk/lock.h"
00051 #include "asterisk/channel.h"
00052 #include "asterisk/config.h"
00053 #include "asterisk/logger.h"
00054 #include "asterisk/module.h"
00055 #include "asterisk/pbx.h"
00056 #include "asterisk/options.h"
00057 #include "asterisk/lock.h"
00058 #include "asterisk/sched.h"
00059 #include "asterisk/io.h"
00060 #include "asterisk/rtp.h"
00061 #include "asterisk/acl.h"
00062 #include "asterisk/callerid.h"
00063 #include "asterisk/cli.h"
00064 #include "asterisk/say.h"
00065 #include "asterisk/cdr.h"
00066 #include "asterisk/astdb.h"
00067 #include "asterisk/features.h"
00068 #include "asterisk/app.h"
00069 #include "asterisk/musiconhold.h"
00070 #include "asterisk/utils.h"
00071 #include "asterisk/dsp.h"
00072 #include "asterisk/stringfields.h"
00073 #include "asterisk/astobj.h"
00074 #include "asterisk/abstract_jb.h"
00075 #include "asterisk/threadstorage.h"
00076 
00077 /*************************************
00078  * Skinny/Asterisk Protocol Settings *
00079  *************************************/
00080 static const char tdesc[] = "Skinny Client Control Protocol (Skinny)";
00081 static const char config[] = "skinny.conf";
00082 
00083 static int default_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW;
00084 static struct ast_codec_pref default_prefs;
00085 
00086 enum skinny_codecs {
00087    SKINNY_CODEC_ALAW = 2,
00088    SKINNY_CODEC_ULAW = 4,
00089    SKINNY_CODEC_G723_1 = 9,
00090    SKINNY_CODEC_G729A = 12,
00091    SKINNY_CODEC_G726_32 = 82, /* XXX Which packing order does this translate to? */
00092    SKINNY_CODEC_H261 = 100,
00093    SKINNY_CODEC_H263 = 101
00094 };
00095 
00096 #define DEFAULT_SKINNY_PORT   2000
00097 #define DEFAULT_SKINNY_BACKLOG   2
00098 #define SKINNY_MAX_PACKET  1000
00099 
00100 static int keep_alive = 120;
00101 static char date_format[6] = "D-M-Y";
00102 static char version_id[16] = "P002F202";
00103 
00104 #if __BYTE_ORDER == __LITTLE_ENDIAN
00105 #define letohl(x) (x)
00106 #define letohs(x) (x)
00107 #define htolel(x) (x)
00108 #define htoles(x) (x)
00109 #else
00110 #if defined(SOLARIS) || defined(__Darwin__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
00111 #define __bswap_16(x) \
00112    ((((x) & 0xff00) >> 8) | \
00113     (((x) & 0x00ff) << 8))
00114 #define __bswap_32(x) \
00115    ((((x) & 0xff000000) >> 24) | \
00116     (((x) & 0x00ff0000) >>  8) | \
00117     (((x) & 0x0000ff00) <<  8) | \
00118     (((x) & 0x000000ff) << 24))
00119 #else
00120 #include <bits/byteswap.h>
00121 #endif
00122 #define letohl(x) __bswap_32(x)
00123 #define letohs(x) __bswap_16(x)
00124 #define htolel(x) __bswap_32(x)
00125 #define htoles(x) __bswap_16(x)
00126 #endif
00127 
00128 /*! Global jitterbuffer configuration - by default, jb is disabled */
00129 static struct ast_jb_conf default_jbconf =
00130 {
00131    .flags = 0,
00132    .max_size = -1,
00133    .resync_threshold = -1,
00134    .impl = ""
00135 };
00136 static struct ast_jb_conf global_jbconf;
00137 
00138 AST_THREADSTORAGE(device2str_threadbuf, device2str_threadbuf_init);
00139 #define DEVICE2STR_BUFSIZE   15
00140 
00141 AST_THREADSTORAGE(control2str_threadbuf, control2str_threadbuf_init);
00142 #define CONTROL2STR_BUFSIZE   100
00143 
00144 /*********************
00145  * Protocol Messages *
00146  *********************/
00147 /* message types */
00148 #define KEEP_ALIVE_MESSAGE 0x0000
00149 /* no additional struct */
00150 
00151 #define REGISTER_MESSAGE 0x0001
00152 struct register_message {
00153    char name[16];
00154    uint32_t userId;
00155    uint32_t instance;
00156    uint32_t ip;
00157    uint32_t type;
00158    uint32_t maxStreams;
00159 };
00160 
00161 #define IP_PORT_MESSAGE 0x0002
00162 
00163 #define KEYPAD_BUTTON_MESSAGE 0x0003
00164 struct keypad_button_message {
00165    uint32_t button;
00166    uint32_t lineInstance;
00167    uint32_t callReference;
00168 };
00169 
00170 
00171 #define ENBLOC_CALL_MESSAGE 0x0004
00172 struct enbloc_call_message {
00173        char calledParty[24];
00174 };
00175 
00176 #define STIMULUS_MESSAGE 0x0005
00177 struct stimulus_message {
00178    uint32_t stimulus;
00179    uint32_t stimulusInstance;
00180    uint32_t callreference;
00181 };
00182 
00183 #define OFFHOOK_MESSAGE 0x0006
00184 struct offhook_message {
00185    uint32_t unknown1;
00186    uint32_t unknown2;
00187 };
00188 
00189 #define ONHOOK_MESSAGE 0x0007
00190 struct onhook_message {
00191    uint32_t unknown1;
00192    uint32_t unknown2;
00193 };
00194 
00195 #define CAPABILITIES_RES_MESSAGE 0x0010
00196 struct station_capabilities {
00197    uint32_t codec;
00198    uint32_t frames;
00199    union {
00200       char res[8];
00201       uint32_t rate;
00202    } payloads;
00203 };
00204 
00205 #define SKINNY_MAX_CAPABILITIES 18
00206 
00207 struct capabilities_res_message {
00208    uint32_t count;
00209    struct station_capabilities caps[SKINNY_MAX_CAPABILITIES];
00210 };
00211 
00212 #define SPEED_DIAL_STAT_REQ_MESSAGE 0x000A
00213 struct speed_dial_stat_req_message {
00214    uint32_t speedDialNumber;
00215 };
00216 
00217 #define LINE_STATE_REQ_MESSAGE 0x000B
00218 struct line_state_req_message {
00219    uint32_t lineNumber;
00220 };
00221 
00222 #define TIME_DATE_REQ_MESSAGE 0x000D
00223 #define BUTTON_TEMPLATE_REQ_MESSAGE 0x000E
00224 #define VERSION_REQ_MESSAGE 0x000F
00225 #define SERVER_REQUEST_MESSAGE 0x0012
00226 
00227 #define ALARM_MESSAGE 0x0020
00228 struct alarm_message {
00229    uint32_t alarmSeverity;
00230    char displayMessage[80];
00231    uint32_t alarmParam1;
00232    uint32_t alarmParam2;
00233 };
00234 
00235 #define OPEN_RECEIVE_CHANNEL_ACK_MESSAGE 0x0022
00236 struct open_receive_channel_ack_message {
00237    uint32_t status;
00238    uint32_t ipAddr;
00239    uint32_t port;
00240    uint32_t passThruId;
00241 };
00242 
00243 #define SOFT_KEY_SET_REQ_MESSAGE 0x0025
00244 
00245 #define SOFT_KEY_EVENT_MESSAGE 0x0026
00246 struct soft_key_event_message {
00247    uint32_t softKeyEvent;
00248    uint32_t instance;
00249    uint32_t callreference;
00250 };
00251 
00252 #define UNREGISTER_MESSAGE 0x0027
00253 #define SOFT_KEY_TEMPLATE_REQ_MESSAGE 0x0028
00254 #define HEADSET_STATUS_MESSAGE 0x002B
00255 #define REGISTER_AVAILABLE_LINES_MESSAGE 0x002D
00256 
00257 #define REGISTER_ACK_MESSAGE 0x0081
00258 struct register_ack_message {
00259    uint32_t keepAlive;
00260    char dateTemplate[6];
00261    char res[2];
00262    uint32_t secondaryKeepAlive;
00263    char res2[4];
00264 };
00265 
00266 #define START_TONE_MESSAGE 0x0082
00267 struct start_tone_message {
00268    uint32_t tone;
00269    uint32_t space;
00270    uint32_t instance;
00271    uint32_t reference;
00272 };
00273 
00274 #define STOP_TONE_MESSAGE 0x0083
00275 struct stop_tone_message {
00276    uint32_t instance;
00277    uint32_t reference;
00278 };
00279 
00280 #define SET_RINGER_MESSAGE 0x0085
00281 struct set_ringer_message {
00282    uint32_t ringerMode;
00283    uint32_t unknown1; /* See notes in transmit_ringer_mode */
00284    uint32_t unknown2;
00285    uint32_t space[2];
00286 };
00287 
00288 #define SET_LAMP_MESSAGE 0x0086
00289 struct set_lamp_message {
00290    uint32_t stimulus;
00291    uint32_t stimulusInstance;
00292    uint32_t deviceStimulus;
00293 };
00294 
00295 #define SET_SPEAKER_MESSAGE 0x0088
00296 struct set_speaker_message {
00297    uint32_t mode;
00298 };
00299 
00300 /* XXX When do we need to use this? */
00301 #define SET_MICROPHONE_MESSAGE 0x0089
00302 struct set_microphone_message {
00303    uint32_t mode;
00304 };
00305 
00306 #define START_MEDIA_TRANSMISSION_MESSAGE 0x008A
00307 struct media_qualifier {
00308    uint32_t precedence;
00309    uint32_t vad;
00310    uint16_t packets;
00311    uint32_t bitRate;
00312 };
00313 
00314 struct start_media_transmission_message {
00315    uint32_t conferenceId;
00316    uint32_t passThruPartyId;
00317    uint32_t remoteIp;
00318    uint32_t remotePort;
00319    uint32_t packetSize;
00320    uint32_t payloadType;
00321    struct media_qualifier qualifier;
00322    uint32_t space[16];
00323 };
00324 
00325 #define STOP_MEDIA_TRANSMISSION_MESSAGE 0x008B
00326 struct stop_media_transmission_message {
00327    uint32_t conferenceId;
00328    uint32_t passThruPartyId;
00329    uint32_t space[3];
00330 };
00331 
00332 #define CALL_INFO_MESSAGE 0x008F
00333 struct call_info_message {
00334    char callingPartyName[40];
00335    char callingParty[24];
00336    char calledPartyName[40];
00337    char calledParty[24];
00338    uint32_t instance;
00339    uint32_t reference;
00340    uint32_t type;
00341    char originalCalledPartyName[40];
00342    char originalCalledParty[24];
00343    char lastRedirectingPartyName[40];
00344    char lastRedirectingParty[24];
00345    uint32_t originalCalledPartyRedirectReason;
00346    uint32_t lastRedirectingReason;
00347    char callingPartyVoiceMailbox[24];
00348    char calledPartyVoiceMailbox[24];
00349    char originalCalledPartyVoiceMailbox[24];
00350    char lastRedirectingVoiceMailbox[24];
00351    uint32_t space[3];
00352 };
00353 
00354 #define SPEED_DIAL_STAT_RES_MESSAGE 0x0091
00355 struct speed_dial_stat_res_message {
00356    uint32_t speedDialNumber;
00357    char speedDialDirNumber[24];
00358    char speedDialDisplayName[40];
00359 };
00360 
00361 #define LINE_STAT_RES_MESSAGE 0x0092
00362 struct line_stat_res_message {
00363    uint32_t lineNumber;
00364    char lineDirNumber[24];
00365    char lineDisplayName[24];
00366    uint32_t space[15];
00367 };
00368 
00369 #define DEFINETIMEDATE_MESSAGE 0x0094
00370 struct definetimedate_message {
00371    uint32_t year; /* since 1900 */
00372    uint32_t month;
00373    uint32_t dayofweek;  /* monday = 1 */
00374    uint32_t day;
00375    uint32_t hour;
00376    uint32_t minute;
00377    uint32_t seconds;
00378    uint32_t milliseconds;
00379    uint32_t timestamp;
00380 };
00381 
00382 #define BUTTON_TEMPLATE_RES_MESSAGE 0x0097
00383 struct button_definition {
00384    uint8_t instanceNumber;
00385    uint8_t buttonDefinition;
00386 };
00387 
00388 struct button_definition_template {
00389    uint8_t buttonDefinition;
00390    /* for now, anything between 0xB0 and 0xCF is custom */
00391    /*int custom;*/
00392 };
00393 
00394 #define STIMULUS_REDIAL       0x01
00395 #define STIMULUS_SPEEDDIAL    0x02
00396 #define STIMULUS_HOLD         0x03
00397 #define STIMULUS_TRANSFER     0x04
00398 #define STIMULUS_FORWARDALL      0x05
00399 #define STIMULUS_FORWARDBUSY     0x06
00400 #define STIMULUS_FORWARDNOANSWER 0x07
00401 #define STIMULUS_DISPLAY      0x08
00402 #define STIMULUS_LINE         0x09
00403 #define STIMULUS_VOICEMAIL    0x0F
00404 #define STIMULUS_AUTOANSWER      0x11
00405 #define STIMULUS_CONFERENCE      0x7D
00406 #define STIMULUS_CALLPARK     0x7E
00407 #define STIMULUS_CALLPICKUP      0x7F
00408 #define STIMULUS_NONE         0xFF
00409 
00410 /* Button types */
00411 #define BT_REDIAL       STIMULUS_REDIAL
00412 #define BT_SPEEDDIAL       STIMULUS_SPEEDDIAL
00413 #define BT_HOLD            STIMULUS_HOLD
00414 #define BT_TRANSFER        STIMULUS_TRANSFER
00415 #define BT_FORWARDALL         STIMULUS_FORWARDALL
00416 #define BT_FORWARDBUSY        STIMULUS_FORWARDBUSY
00417 #define BT_FORWARDNOANSWER    STIMULUS_FORWARDNOANSWER
00418 #define BT_DISPLAY         STIMULUS_DISPLAY
00419 #define BT_LINE            STIMULUS_LINE
00420 #define BT_VOICEMAIL       STIMULUS_VOICEMAIL
00421 #define BT_AUTOANSWER         STIMULUS_AUTOANSWER
00422 #define BT_CONFERENCE         STIMULUS_CONFERENCE
00423 #define BT_CALLPARK        STIMULUS_CALLPARK
00424 #define BT_CALLPICKUP         STIMULUS_CALLPICKUP
00425 #define BT_NONE            0x00
00426 
00427 /* Custom button types - add our own between 0xB0 and 0xCF.
00428    This may need to be revised in the future,
00429    if stimuluses are ever added in this range. */
00430 #define BT_CUST_LINESPEEDDIAL    0xB0  /* line or speeddial */
00431 #define BT_CUST_HINT       0xB1  /* pipe dream */
00432 
00433 struct button_template_res_message {
00434    uint32_t buttonOffset;
00435    uint32_t buttonCount;
00436    uint32_t totalButtonCount;
00437    struct button_definition definition[42];
00438 };
00439 
00440 #define VERSION_RES_MESSAGE 0x0098
00441 struct version_res_message {
00442    char version[16];
00443 };
00444 
00445 #define DISPLAYTEXT_MESSAGE 0x0099
00446 struct displaytext_message {
00447    char text[40];
00448 };
00449 
00450 #define CLEAR_NOTIFY_MESSAGE  0x0115
00451 #define CLEAR_DISPLAY_MESSAGE 0x009A
00452 
00453 #define CAPABILITIES_REQ_MESSAGE 0x009B
00454 
00455 #define REGISTER_REJ_MESSAGE 0x009D
00456 struct register_rej_message {
00457    char errMsg[33];
00458 };
00459 
00460 #define SERVER_RES_MESSAGE 0x009E
00461 struct server_identifier {
00462    char serverName[48];
00463 };
00464 
00465 struct server_res_message {
00466    struct server_identifier server[5];
00467    uint32_t serverListenPort[5];
00468    uint32_t serverIpAddr[5];
00469 };
00470 
00471 #define RESET_MESSAGE 0x009F
00472 struct reset_message {
00473    uint32_t resetType;
00474 };
00475 
00476 #define KEEP_ALIVE_ACK_MESSAGE 0x0100
00477 
00478 #define OPEN_RECEIVE_CHANNEL_MESSAGE 0x0105
00479 struct open_receive_channel_message {
00480    uint32_t conferenceId;
00481    uint32_t partyId;
00482    uint32_t packets;
00483    uint32_t capability;
00484    uint32_t echo;
00485    uint32_t bitrate;
00486    uint32_t space[16];
00487 };
00488 
00489 #define CLOSE_RECEIVE_CHANNEL_MESSAGE 0x0106
00490 struct close_receive_channel_message {
00491    uint32_t conferenceId;
00492    uint32_t partyId;
00493    uint32_t space[2];
00494 };
00495 
00496 #define SOFT_KEY_TEMPLATE_RES_MESSAGE 0x0108
00497 
00498 struct soft_key_template_definition {
00499    char softKeyLabel[16];
00500    uint32_t softKeyEvent;
00501 };
00502 
00503 #define KEYDEF_ONHOOK         0
00504 #define KEYDEF_CONNECTED      1
00505 #define KEYDEF_ONHOLD         2
00506 #define KEYDEF_RINGIN         3
00507 #define KEYDEF_OFFHOOK        4
00508 #define KEYDEF_CONNWITHTRANS     5
00509 #define KEYDEF_DADFD       6 /* Digits After Dialing First Digit */
00510 #define KEYDEF_CONNWITHCONF      7
00511 #define KEYDEF_RINGOUT        8
00512 #define KEYDEF_OFFHOOKWITHFEAT      9
00513 #define KEYDEF_UNKNOWN        10
00514 
00515 #define SOFTKEY_NONE       0x00
00516 #define SOFTKEY_REDIAL        0x01
00517 #define SOFTKEY_NEWCALL       0x02
00518 #define SOFTKEY_HOLD       0x03
00519 #define SOFTKEY_TRNSFER       0x04
00520 #define SOFTKEY_CFWDALL       0x05
00521 #define SOFTKEY_CFWDBUSY      0x06
00522 #define SOFTKEY_CFWDNOANSWER     0x07
00523 #define SOFTKEY_BKSPC         0x08
00524 #define SOFTKEY_ENDCALL       0x09
00525 #define SOFTKEY_RESUME        0x0A
00526 #define SOFTKEY_ANSWER        0x0B
00527 #define SOFTKEY_INFO       0x0C
00528 #define SOFTKEY_CONFRN        0x0D
00529 #define SOFTKEY_PARK       0x0E
00530 #define SOFTKEY_JOIN       0x0F
00531 #define SOFTKEY_MEETME        0x10
00532 #define SOFTKEY_PICKUP        0x11
00533 #define SOFTKEY_GPICKUP       0x12
00534 
00535 struct soft_key_template_definition soft_key_template_default[] = {
00536    { "Redial",    0x01 },
00537    { "NewCall",      0x02 },
00538    { "Hold",      0x03 },
00539    { "Trnsfer",      0x04 },
00540    { "CFwdAll",      0x05 },
00541    { "CFwdBusy",     0x06 },
00542    { "CFwdNoAnswer", 0x07 },
00543    { "<<",        0x08 },
00544    { "EndCall",      0x09 },
00545    { "Resume",    0x0A },
00546    { "Answer",    0x0B },
00547    { "Info",      0x0C },
00548    { "Confrn",    0x0D },
00549    { "Park",      0x0E },
00550    { "Join",      0x0F },
00551    { "MeetMe",    0x10 },
00552    { "PickUp",    0x11 },
00553    { "GPickUp",      0x12 },
00554 };
00555 
00556 struct soft_key_definitions {
00557    const uint8_t mode;
00558    const uint8_t *defaults;
00559    const int count;
00560 };
00561 
00562 static const uint8_t soft_key_default_onhook[] = {
00563    SOFTKEY_REDIAL,
00564    SOFTKEY_NEWCALL,
00565    SOFTKEY_CFWDALL,
00566    SOFTKEY_CFWDBUSY,
00567    /*SOFTKEY_GPICKUP,
00568    SOFTKEY_CONFRN,*/
00569 };
00570 
00571 static const uint8_t soft_key_default_connected[] = {
00572    SOFTKEY_HOLD,
00573    SOFTKEY_ENDCALL,
00574    SOFTKEY_TRNSFER,
00575    SOFTKEY_PARK,
00576    SOFTKEY_CFWDALL,
00577    SOFTKEY_CFWDBUSY,
00578 };
00579 
00580 static const uint8_t soft_key_default_onhold[] = {
00581    SOFTKEY_RESUME,
00582    SOFTKEY_NEWCALL,
00583    SOFTKEY_ENDCALL,
00584    SOFTKEY_TRNSFER,
00585 };
00586 
00587 static const uint8_t soft_key_default_ringin[] = {
00588    SOFTKEY_ANSWER,
00589    SOFTKEY_ENDCALL,
00590    SOFTKEY_TRNSFER,
00591 };
00592 
00593 static const uint8_t soft_key_default_offhook[] = {
00594    SOFTKEY_REDIAL,
00595    SOFTKEY_ENDCALL,
00596    SOFTKEY_CFWDALL,
00597    SOFTKEY_CFWDBUSY,
00598    /*SOFTKEY_GPICKUP,*/
00599 };
00600 
00601 static const uint8_t soft_key_default_connwithtrans[] = {
00602    SOFTKEY_HOLD,
00603    SOFTKEY_ENDCALL,
00604    SOFTKEY_TRNSFER,
00605    SOFTKEY_PARK,
00606    SOFTKEY_CFWDALL,
00607    SOFTKEY_CFWDBUSY,
00608 };
00609 
00610 static const uint8_t soft_key_default_dadfd[] = {
00611    SOFTKEY_BKSPC,
00612    SOFTKEY_ENDCALL,
00613 };
00614 
00615 static const uint8_t soft_key_default_connwithconf[] = {
00616    SOFTKEY_NONE,
00617 };
00618 
00619 static const uint8_t soft_key_default_ringout[] = {
00620    SOFTKEY_NONE,
00621    SOFTKEY_ENDCALL,
00622 };
00623 
00624 static const uint8_t soft_key_default_offhookwithfeat[] = {
00625    SOFTKEY_REDIAL,
00626    SOFTKEY_ENDCALL,
00627 };
00628 
00629 static const uint8_t soft_key_default_unknown[] = {
00630    SOFTKEY_NONE,
00631 };
00632 
00633 static const struct soft_key_definitions soft_key_default_definitions[] = {
00634    {KEYDEF_ONHOOK, soft_key_default_onhook, sizeof(soft_key_default_onhook) / sizeof(uint8_t)},
00635    {KEYDEF_CONNECTED, soft_key_default_connected, sizeof(soft_key_default_connected) / sizeof(uint8_t)},
00636    {KEYDEF_ONHOLD, soft_key_default_onhold, sizeof(soft_key_default_onhold) / sizeof(uint8_t)},
00637    {KEYDEF_RINGIN, soft_key_default_ringin, sizeof(soft_key_default_ringin) / sizeof(uint8_t)},
00638    {KEYDEF_OFFHOOK, soft_key_default_offhook, sizeof(soft_key_default_offhook) / sizeof(uint8_t)},
00639    {KEYDEF_CONNWITHTRANS, soft_key_default_connwithtrans, sizeof(soft_key_default_connwithtrans) / sizeof(uint8_t)},
00640    {KEYDEF_DADFD, soft_key_default_dadfd, sizeof(soft_key_default_dadfd) / sizeof(uint8_t)},
00641    {KEYDEF_CONNWITHCONF, soft_key_default_connwithconf, sizeof(soft_key_default_connwithconf) / sizeof(uint8_t)},
00642    {KEYDEF_RINGOUT, soft_key_default_ringout, sizeof(soft_key_default_ringout) / sizeof(uint8_t)},
00643    {KEYDEF_OFFHOOKWITHFEAT, soft_key_default_offhookwithfeat, sizeof(soft_key_default_offhookwithfeat) / sizeof(uint8_t)},
00644    {KEYDEF_UNKNOWN, soft_key_default_unknown, sizeof(soft_key_default_unknown) / sizeof(uint8_t)}
00645 };
00646 
00647 struct soft_key_template_res_message {
00648    uint32_t softKeyOffset;
00649    uint32_t softKeyCount;
00650    uint32_t totalSoftKeyCount;
00651    struct soft_key_template_definition softKeyTemplateDefinition[32];
00652 };
00653 
00654 #define SOFT_KEY_SET_RES_MESSAGE 0x0109
00655 
00656 struct soft_key_set_definition {
00657    uint8_t softKeyTemplateIndex[16];
00658    uint16_t softKeyInfoIndex[16];
00659 };
00660 
00661 struct soft_key_set_res_message {
00662    uint32_t softKeySetOffset;
00663    uint32_t softKeySetCount;
00664    uint32_t totalSoftKeySetCount;
00665    struct soft_key_set_definition softKeySetDefinition[16];
00666    uint32_t res;
00667 };
00668 
00669 #define SELECT_SOFT_KEYS_MESSAGE 0x0110
00670 struct select_soft_keys_message {
00671    uint32_t instance;
00672    uint32_t reference;
00673    uint32_t softKeySetIndex;
00674    uint32_t validKeyMask;
00675 };
00676 
00677 #define CALL_STATE_MESSAGE 0x0111
00678 struct call_state_message {
00679    uint32_t callState;
00680    uint32_t lineInstance;
00681    uint32_t callReference;
00682    uint32_t space[3];
00683 };
00684 
00685 #define DISPLAY_PROMPT_STATUS_MESSAGE 0x0112
00686 struct display_prompt_status_message {
00687    uint32_t messageTimeout;
00688    char promptMessage[32];
00689    uint32_t lineInstance;
00690    uint32_t callReference;
00691 };
00692 
00693 #define CLEAR_PROMPT_MESSAGE  0x0113
00694 struct clear_prompt_message {
00695        uint32_t lineInstance;
00696        uint32_t callReference;
00697 };
00698 
00699 #define DISPLAY_NOTIFY_MESSAGE 0x0114
00700 struct display_notify_message {
00701    uint32_t displayTimeout;
00702    char displayMessage[100];
00703 };
00704 
00705 #define ACTIVATE_CALL_PLANE_MESSAGE 0x0116
00706 struct activate_call_plane_message {
00707    uint32_t lineInstance;
00708 };
00709 
00710 #define DIALED_NUMBER_MESSAGE 0x011D
00711 struct dialed_number_message {
00712    char dialedNumber[24];
00713    uint32_t lineInstance;
00714    uint32_t callReference;
00715 };
00716 
00717 union skinny_data {
00718    struct alarm_message alarm;
00719    struct speed_dial_stat_req_message speeddialreq;
00720    struct register_message reg;
00721    struct register_ack_message regack;
00722    struct register_rej_message regrej;
00723    struct capabilities_res_message caps;
00724    struct version_res_message version;
00725    struct button_template_res_message buttontemplate;
00726    struct displaytext_message displaytext;
00727    struct display_prompt_status_message displaypromptstatus;
00728    struct clear_prompt_message clearpromptstatus;
00729    struct definetimedate_message definetimedate;
00730    struct start_tone_message starttone;
00731    struct stop_tone_message stoptone;
00732    struct speed_dial_stat_res_message speeddial;
00733    struct line_state_req_message line;
00734    struct line_stat_res_message linestat;
00735    struct soft_key_set_res_message softkeysets;
00736    struct soft_key_template_res_message softkeytemplate;
00737    struct server_res_message serverres;
00738    struct reset_message reset;
00739    struct set_lamp_message setlamp;
00740    struct set_ringer_message setringer;
00741    struct call_state_message callstate;
00742    struct keypad_button_message keypad;
00743    struct select_soft_keys_message selectsoftkey;
00744    struct activate_call_plane_message activatecallplane;
00745    struct stimulus_message stimulus;
00746    struct offhook_message offhook;
00747    struct onhook_message onhook;
00748    struct set_speaker_message setspeaker;
00749    struct set_microphone_message setmicrophone;
00750    struct call_info_message callinfo;
00751    struct start_media_transmission_message startmedia;
00752    struct stop_media_transmission_message stopmedia;
00753    struct open_receive_channel_message openreceivechannel;
00754    struct open_receive_channel_ack_message openreceivechannelack;
00755    struct close_receive_channel_message closereceivechannel;
00756    struct display_notify_message displaynotify;
00757    struct dialed_number_message dialednumber;
00758    struct soft_key_event_message softkeyeventmessage;
00759    struct enbloc_call_message enbloccallmessage;
00760 };
00761 
00762 /* packet composition */
00763 struct skinny_req {
00764    int len;
00765    int res;
00766    int e;
00767    union skinny_data data;
00768 };
00769 
00770 /* XXX This is the combined size of the variables above.  (len, res, e)
00771    If more are added, this MUST change.
00772    (sizeof(skinny_req) - sizeof(skinny_data)) DOES NOT WORK on all systems (amd64?). */
00773 int skinny_header_size = 12;
00774 
00775 /*****************************
00776  * Asterisk specific globals *
00777  *****************************/
00778 
00779 static int skinnydebug = 0;
00780 
00781 /* a hostname, portnumber, socket and such is usefull for VoIP protocols */
00782 static struct sockaddr_in bindaddr;
00783 static char ourhost[256];
00784 static int ourport;
00785 static struct in_addr __ourip;
00786 struct ast_hostent ahp;
00787 struct hostent *hp;
00788 static int skinnysock = -1;
00789 static pthread_t accept_t;
00790 static char context[AST_MAX_CONTEXT] = "default";
00791 static char language[MAX_LANGUAGE] = "";
00792 static char mohinterpret[MAX_MUSICCLASS] = "default";
00793 static char mohsuggest[MAX_MUSICCLASS] = "";
00794 static char cid_num[AST_MAX_EXTENSION] = "";
00795 static char cid_name[AST_MAX_EXTENSION] = "";
00796 static char linelabel[AST_MAX_EXTENSION] ="";
00797 static int nat = 0;
00798 static ast_group_t cur_callergroup = 0;
00799 static ast_group_t cur_pickupgroup = 0;
00800 static int immediate = 0;
00801 static int callwaiting = 0;
00802 static int callreturn = 0;
00803 static int threewaycalling = 0;
00804 static int mwiblink = 0;
00805 /* This is for flashhook transfers */
00806 static int transfer = 0;
00807 static int cancallforward = 0;
00808 /* static int busycount = 3;*/
00809 static char accountcode[AST_MAX_ACCOUNT_CODE] = "";
00810 static char mailbox[AST_MAX_EXTENSION];
00811 static int amaflags = 0;
00812 static int callnums = 1;
00813 
00814 #define SKINNY_DEVICE_UNKNOWN    -1
00815 #define SKINNY_DEVICE_NONE    0
00816 #define SKINNY_DEVICE_30SPPLUS      1
00817 #define SKINNY_DEVICE_12SPPLUS      2
00818 #define SKINNY_DEVICE_12SP    3
00819 #define SKINNY_DEVICE_12      4
00820 #define SKINNY_DEVICE_30VIP      5
00821 #define SKINNY_DEVICE_7910    6
00822 #define SKINNY_DEVICE_7960    7
00823 #define SKINNY_DEVICE_7940    8
00824 #define SKINNY_DEVICE_7935    9
00825 #define SKINNY_DEVICE_ATA186     12 /* Cisco ATA-186 */
00826 #define SKINNY_DEVICE_7941    115
00827 #define SKINNY_DEVICE_7971    119
00828 #define SKINNY_DEVICE_7985    302
00829 #define SKINNY_DEVICE_7911    307
00830 #define SKINNY_DEVICE_7961GE     308
00831 #define SKINNY_DEVICE_7941GE     309
00832 #define SKINNY_DEVICE_7921    365
00833 #define SKINNY_DEVICE_7905    20000
00834 #define SKINNY_DEVICE_7920    30002
00835 #define SKINNY_DEVICE_7970    30006
00836 #define SKINNY_DEVICE_7912    30007
00837 #define SKINNY_DEVICE_7902    30008
00838 #define SKINNY_DEVICE_CIPC    30016 /* Cisco IP Communicator */
00839 #define SKINNY_DEVICE_7961    30018
00840 #define SKINNY_DEVICE_7936    30019
00841 #define SKINNY_DEVICE_SCCPGATEWAY_AN   30027 /* ??? */
00842 #define SKINNY_DEVICE_SCCPGATEWAY_BRI  30028 /* ??? */
00843 
00844 #define SKINNY_SPEAKERON 1
00845 #define SKINNY_SPEAKEROFF 2
00846 
00847 #define SKINNY_MICON 1
00848 #define SKINNY_MICOFF 2
00849 
00850 #define SKINNY_OFFHOOK 1
00851 #define SKINNY_ONHOOK 2
00852 #define SKINNY_RINGOUT 3
00853 #define SKINNY_RINGIN 4
00854 #define SKINNY_CONNECTED 5
00855 #define SKINNY_BUSY 6
00856 #define SKINNY_CONGESTION 7
00857 #define SKINNY_HOLD 8
00858 #define SKINNY_CALLWAIT 9
00859 #define SKINNY_TRANSFER 10
00860 #define SKINNY_PARK 11
00861 #define SKINNY_PROGRESS 12
00862 #define SKINNY_INVALID 14
00863 
00864 #define SKINNY_SILENCE     0x00
00865 #define SKINNY_DIALTONE    0x21
00866 #define SKINNY_BUSYTONE    0x23
00867 #define SKINNY_ALERT    0x24
00868 #define SKINNY_REORDER     0x25
00869 #define SKINNY_CALLWAITTONE   0x2D
00870 #define SKINNY_NOTONE      0x7F
00871 
00872 #define SKINNY_LAMP_OFF 1
00873 #define SKINNY_LAMP_ON 2
00874 #define SKINNY_LAMP_WINK 3
00875 #define SKINNY_LAMP_FLASH 4
00876 #define SKINNY_LAMP_BLINK 5
00877 
00878 #define SKINNY_RING_OFF 1
00879 #define SKINNY_RING_INSIDE 2
00880 #define SKINNY_RING_OUTSIDE 3
00881 #define SKINNY_RING_FEATURE 4
00882 
00883 #define TYPE_TRUNK 1
00884 #define TYPE_LINE 2
00885 
00886 /* Skinny rtp stream modes. Do we really need this? */
00887 #define SKINNY_CX_SENDONLY 0
00888 #define SKINNY_CX_RECVONLY 1
00889 #define SKINNY_CX_SENDRECV 2
00890 #define SKINNY_CX_CONF     3
00891 #define SKINNY_CX_CONFERENCE  3
00892 #define SKINNY_CX_MUTE     4
00893 #define SKINNY_CX_INACTIVE 4
00894 
00895 #if 0
00896 static char *skinny_cxmodes[] = {
00897    "sendonly",
00898    "recvonly",
00899    "sendrecv",
00900    "confrnce",
00901    "inactive"
00902 };
00903 #endif
00904 
00905 /* driver scheduler */
00906 static struct sched_context *sched = NULL;
00907 static struct io_context *io;
00908 
00909 /* Protect the monitoring thread, so only one process can kill or start it, and not
00910    when it's doing something critical. */
00911 AST_MUTEX_DEFINE_STATIC(monlock);
00912 /* Protect the network socket */
00913 AST_MUTEX_DEFINE_STATIC(netlock);
00914 /* Protect the session list */
00915 AST_MUTEX_DEFINE_STATIC(sessionlock);
00916 /* Protect the device list */
00917 AST_MUTEX_DEFINE_STATIC(devicelock);
00918 #if 0
00919 /* Protect the paging device list */
00920 AST_MUTEX_DEFINE_STATIC(pagingdevicelock);
00921 #endif
00922 
00923 /* This is the thread for the monitor which checks for input on the channels
00924    which are not currently in use. */
00925 static pthread_t monitor_thread = AST_PTHREADT_NULL;
00926 
00927 /* Wait up to 16 seconds for first digit */
00928 static int firstdigittimeout = 16000;
00929 
00930 /* How long to wait for following digits */
00931 static int gendigittimeout = 8000;
00932 
00933 /* How long to wait for an extra digit, if there is an ambiguous match */
00934 static int matchdigittimeout = 3000;
00935 
00936 struct skinny_subchannel {
00937    ast_mutex_t lock;
00938    struct ast_channel *owner;
00939    struct ast_rtp *rtp;
00940    struct ast_rtp *vrtp;
00941    unsigned int callid;
00942    /* time_t lastouttime; */        /* Unused */
00943    int progress;
00944    int ringing;
00945    int onhold;
00946    /* int lastout; */            /* Unused */
00947    int cxmode;
00948    int nat;
00949    int outgoing;
00950    int alreadygone;
00951 
00952    struct skinny_subchannel *next;
00953    struct skinny_line *parent;
00954 };
00955 
00956 struct skinny_line {
00957    ast_mutex_t lock;
00958    char name[80];
00959    char label[24];               /* Label that shows next to the line buttons */
00960    char accountcode[AST_MAX_ACCOUNT_CODE];
00961    char exten[AST_MAX_EXTENSION];         /* Extension where to start */
00962    char context[AST_MAX_CONTEXT];
00963    char language[MAX_LANGUAGE];
00964    char cid_num[AST_MAX_EXTENSION];    /* Caller*ID */
00965    char cid_name[AST_MAX_EXTENSION];      /* Caller*ID */
00966    char lastcallerid[AST_MAX_EXTENSION];     /* Last Caller*ID */
00967    char call_forward[AST_MAX_EXTENSION];
00968    char mailbox[AST_MAX_EXTENSION];
00969    char mohinterpret[MAX_MUSICCLASS];
00970    char mohsuggest[MAX_MUSICCLASS];
00971    char lastnumberdialed[AST_MAX_EXTENSION]; /* Last number that was dialed - used for redial */
00972    int curtone;               /* Current tone being played */
00973    ast_group_t callgroup;
00974    ast_group_t pickupgroup;
00975    int callwaiting;
00976    int transfer;
00977    int threewaycalling;
00978    int mwiblink;
00979    int cancallforward;
00980    int callreturn;
00981    int dnd; /* How does this affect callwait?  Do we just deny a skinny_request if we're dnd? */
00982    int hascallerid;
00983    int hidecallerid;
00984    int amaflags;
00985    int type;
00986    int instance;
00987    int group;
00988    int needdestroy;
00989    int capability;
00990    int nonCodecCapability;
00991    int onhooktime;
00992    int msgstate;              /* voicemail message state */
00993    int immediate;
00994    int hookstate;
00995    int nat;
00996 
00997    struct ast_codec_pref prefs;
00998    struct skinny_subchannel *sub;
00999    struct skinny_line *next;
01000    struct skinny_device *parent;
01001 };
01002 
01003 struct skinny_speeddial {
01004    ast_mutex_t lock;
01005    char label[42];
01006    char exten[AST_MAX_EXTENSION];
01007    int instance;
01008 
01009    struct skinny_speeddial *next;
01010    struct skinny_device *parent;
01011 };
01012 
01013 struct skinny_addon {
01014    ast_mutex_t lock;
01015    char type[10];
01016 
01017    struct skinny_addon *next;
01018    struct skinny_device *parent;
01019 };
01020 
01021 static struct skinny_device {
01022    /* A device containing one or more lines */
01023    char name[80];
01024    char id[16];
01025    char version_id[16];
01026    int type;
01027    int registered;
01028    int lastlineinstance;
01029    int lastcallreference;
01030    int capability;
01031    char exten[AST_MAX_EXTENSION];
01032    struct sockaddr_in addr;
01033    struct in_addr ourip;
01034    struct skinny_line *lines;
01035    struct skinny_speeddial *speeddials;
01036    struct skinny_addon *addons;
01037    struct ast_codec_pref prefs;
01038    struct ast_ha *ha;
01039    struct skinnysession *session;
01040    struct skinny_device *next;
01041 } *devices = NULL;
01042 
01043 struct skinny_paging_device {
01044    char name[80];
01045    char id[16];
01046    struct skinny_device ** devices;
01047    struct skinny_paging_device *next;
01048 };
01049 
01050 static struct skinnysession {
01051    pthread_t t;
01052    ast_mutex_t lock;
01053    struct sockaddr_in sin;
01054    int fd;
01055    char inbuf[SKINNY_MAX_PACKET];
01056    char outbuf[SKINNY_MAX_PACKET];
01057    struct skinny_device *device;
01058    struct skinnysession *next;
01059 } *sessions = NULL;
01060 
01061 static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause);
01062 static int skinny_call(struct ast_channel *ast, char *dest, int timeout);
01063 static int skinny_hangup(struct ast_channel *ast);
01064 static int skinny_answer(struct ast_channel *ast);
01065 static struct ast_frame *skinny_read(struct ast_channel *ast);
01066 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame);
01067 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen);
01068 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
01069 static int skinny_senddigit_begin(struct ast_channel *ast, char digit);
01070 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration);
01071 static int handle_time_date_req_message(struct skinny_req *req, struct skinnysession *s);
01072 
01073 static const struct ast_channel_tech skinny_tech = {
01074    .type = "Skinny",
01075    .description = tdesc,
01076    .capabilities = ((AST_FORMAT_MAX_AUDIO << 1) - 1),
01077    .properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
01078    .requester = skinny_request,
01079    .call = skinny_call,
01080    .hangup = skinny_hangup,
01081    .answer = skinny_answer,
01082    .read = skinny_read,
01083    .write = skinny_write,
01084    .indicate = skinny_indicate,
01085    .fixup = skinny_fixup,
01086    .send_digit_begin = skinny_senddigit_begin,
01087    .send_digit_end = skinny_senddigit_end,
01088 /* .bridge = ast_rtp_bridge, */
01089 };
01090 
01091 static void *get_button_template(struct skinnysession *s, struct button_definition_template *btn)
01092 {
01093    struct skinny_device *d = s->device;
01094    struct skinny_addon *a = d->addons;
01095    int i;
01096 
01097    switch (d->type) {
01098       case SKINNY_DEVICE_30SPPLUS:
01099       case SKINNY_DEVICE_30VIP:
01100          /* 13 rows, 2 columns */
01101          for (i = 0; i < 4; i++)
01102             (btn++)->buttonDefinition = BT_LINE;
01103          (btn++)->buttonDefinition = BT_REDIAL;
01104          (btn++)->buttonDefinition = BT_VOICEMAIL;
01105          (btn++)->buttonDefinition = BT_CALLPARK;
01106          (btn++)->buttonDefinition = BT_FORWARDALL;
01107          (btn++)->buttonDefinition = BT_CONFERENCE;
01108          for (i = 0; i < 4; i++)
01109             (btn++)->buttonDefinition = BT_NONE;
01110          for (i = 0; i < 13; i++)
01111             (btn++)->buttonDefinition = BT_SPEEDDIAL;
01112          
01113          break;
01114       case SKINNY_DEVICE_12SPPLUS:
01115       case SKINNY_DEVICE_12SP:
01116       case SKINNY_DEVICE_12:
01117          /* 6 rows, 2 columns */
01118          for (i = 0; i < 2; i++)
01119             (btn++)->buttonDefinition = BT_LINE;
01120          (btn++)->buttonDefinition = BT_REDIAL;
01121          for (i = 0; i < 3; i++)
01122             (btn++)->buttonDefinition = BT_SPEEDDIAL;
01123          (btn++)->buttonDefinition = BT_HOLD;
01124          (btn++)->buttonDefinition = BT_TRANSFER;
01125          (btn++)->buttonDefinition = BT_FORWARDALL;
01126          (btn++)->buttonDefinition = BT_CALLPARK;
01127          (btn++)->buttonDefinition = BT_VOICEMAIL;
01128          (btn++)->buttonDefinition = BT_CONFERENCE;
01129          break;
01130       case SKINNY_DEVICE_7910:
01131          (btn++)->buttonDefinition = BT_LINE;
01132          (btn++)->buttonDefinition = BT_HOLD;
01133          (btn++)->buttonDefinition = BT_TRANSFER;
01134          (btn++)->buttonDefinition = BT_DISPLAY;
01135          (btn++)->buttonDefinition = BT_VOICEMAIL;
01136          (btn++)->buttonDefinition = BT_CONFERENCE;
01137          (btn++)->buttonDefinition = BT_FORWARDALL;
01138          for (i = 0; i < 2; i++)
01139             (btn++)->buttonDefinition = BT_SPEEDDIAL;
01140          (btn++)->buttonDefinition = BT_REDIAL;
01141          break;
01142       case SKINNY_DEVICE_7960:
01143       case SKINNY_DEVICE_7961:
01144       case SKINNY_DEVICE_7961GE:
01145          for (i = 0; i < 6; i++)
01146             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01147          break;
01148       case SKINNY_DEVICE_7940:
01149       case SKINNY_DEVICE_7941:
01150       case SKINNY_DEVICE_7941GE:
01151          for (i = 0; i < 2; i++)
01152             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01153          break;
01154       case SKINNY_DEVICE_7935:
01155       case SKINNY_DEVICE_7936:
01156          for (i = 0; i < 2; i++)
01157             (btn++)->buttonDefinition = BT_LINE;
01158          break;
01159       case SKINNY_DEVICE_ATA186:
01160          (btn++)->buttonDefinition = BT_LINE;
01161          break;
01162       case SKINNY_DEVICE_7970:
01163       case SKINNY_DEVICE_7971:
01164       case SKINNY_DEVICE_CIPC:
01165          for (i = 0; i < 8; i++)
01166             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01167          break;
01168       case SKINNY_DEVICE_7985:
01169          /* XXX I have no idea what the buttons look like on these. */
01170          ast_log(LOG_WARNING, "Unsupported device type '%d (7985)' found.\n", d->type);
01171          break;
01172       case SKINNY_DEVICE_7912:
01173       case SKINNY_DEVICE_7911:
01174       case SKINNY_DEVICE_7905:
01175          (btn++)->buttonDefinition = BT_LINE;
01176          (btn++)->buttonDefinition = BT_HOLD;
01177          break;
01178       case SKINNY_DEVICE_7920:
01179          /* XXX I don't know if this is right. */
01180          for (i = 0; i < 4; i++)
01181             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01182          break;
01183       case SKINNY_DEVICE_7921:
01184          for (i = 0; i < 6; i++)
01185             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01186          break;
01187       case SKINNY_DEVICE_7902:
01188          ast_log(LOG_WARNING, "Unsupported device type '%d (7902)' found.\n", d->type);
01189          break;
01190       case SKINNY_DEVICE_SCCPGATEWAY_AN:
01191       case SKINNY_DEVICE_SCCPGATEWAY_BRI:
01192          ast_log(LOG_WARNING, "Unsupported device type '%d (SCCP gateway)' found.\n", d->type);
01193          break;
01194       default:
01195          ast_log(LOG_WARNING, "Unknown device type '%d' found.\n", d->type);
01196          break;
01197    }
01198 
01199    for (a = d->addons; a; a = a->next) {
01200       if (!strcasecmp(a->type, "7914")) {
01201          for (i = 0; i < 14; i++)
01202             (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
01203       } else {
01204          ast_log(LOG_WARNING, "Unknown addon type '%s' found.  Skipping.\n", a->type);
01205       }
01206    }
01207 
01208    return btn;
01209 }
01210 
01211 static struct skinny_req *req_alloc(size_t size, int response_message)
01212 {
01213    struct skinny_req *req;
01214 
01215    if (!(req = ast_calloc(1, skinny_header_size + size + 4)))
01216       return NULL;
01217 
01218    req->len = htolel(size+4);
01219    req->e = htolel(response_message);
01220 
01221    return req;
01222 }
01223 
01224 static struct skinny_line *find_line_by_instance(struct skinny_device *d, int instance)
01225 {
01226    struct skinny_line *l;
01227 
01228    if (!instance)
01229       instance = 1;
01230 
01231    for (l = d->lines; l; l = l->next) {
01232       if (l->instance == instance)
01233          break;
01234    }
01235 
01236    if (!l) {
01237       ast_log(LOG_WARNING, "Could not find line with instance '%d' on device '%s'\n", instance, d->name);
01238    }
01239    return l;
01240 }
01241 
01242 static struct skinny_line *find_line_by_name(const char *dest)
01243 {
01244    struct skinny_line *l;
01245    struct skinny_device *d;
01246    char line[256];
01247    char *at;
01248    char *device;
01249 
01250    ast_copy_string(line, dest, sizeof(line));
01251    at = strchr(line, '@');
01252    if (!at) {
01253       ast_log(LOG_NOTICE, "Device '%s' has no @ (at) sign!\n", dest);
01254       return NULL;
01255    }
01256    *at++ = '\0';
01257    device = at;
01258    ast_mutex_lock(&devicelock);
01259    for (d = devices; d; d = d->next) {
01260       if (!strcasecmp(d->name, device)) {
01261          if (skinnydebug)
01262             ast_verbose("Found device: %s\n", d->name);
01263          /* Found the device */
01264          for (l = d->lines; l; l = l->next) {
01265             /* Search for the right line */
01266             if (!strcasecmp(l->name, line)) {
01267                ast_mutex_unlock(&devicelock);
01268                return l;
01269             }
01270          }
01271       }
01272    }
01273    /* Device not found */
01274    ast_mutex_unlock(&devicelock);
01275    return NULL;
01276 }
01277 
01278 /* It's quicker/easier to find the subchannel when we know the instance number too */
01279 static struct skinny_subchannel *find_subchannel_by_instance_reference(struct skinny_device *d, int instance, int reference)
01280 {
01281    struct skinny_line *l = find_line_by_instance(d, instance);
01282    struct skinny_subchannel *sub;
01283 
01284    if (!l) {
01285       return NULL;
01286    }
01287 
01288    if (!reference)
01289       sub = l->sub;
01290    else {
01291       for (sub = l->sub; sub; sub = sub->next) {
01292          if (sub->callid == reference)
01293             break;
01294       }
01295    }
01296 
01297    if (!sub) {
01298       ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s'\n", reference, d->name);
01299    }
01300    return sub;
01301 }
01302 
01303 /* Find the subchannel when we only have the callid - this shouldn't happen often */
01304 static struct skinny_subchannel *find_subchannel_by_reference(struct skinny_device *d, int reference)
01305 {
01306    struct skinny_line *l;
01307    struct skinny_subchannel *sub = NULL;
01308 
01309    for (l = d->lines; l; l = l->next) {
01310       for (sub = l->sub; sub; sub = sub->next) {
01311          if (sub->callid == reference)
01312             break;
01313       }
01314       if (sub)
01315          break;
01316    }
01317 
01318    if (!l) {
01319       ast_log(LOG_WARNING, "Could not find any lines that contained a subchannel with reference '%d' on device '%s'\n", reference, d->name);
01320    } else {
01321       if (!sub) {
01322          ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s@%s'\n", reference, l->name, d->name);
01323       }
01324    }
01325    return sub;
01326 }
01327 
01328 static struct skinny_speeddial *find_speeddial_by_instance(struct skinny_device *d, int instance)
01329 {
01330    struct skinny_speeddial *sd;
01331 
01332    for (sd = d->speeddials; sd; sd = sd->next) {
01333       if (sd->instance == instance)
01334          break;
01335    }
01336 
01337    if (!sd) {
01338       ast_log(LOG_WARNING, "Could not find speeddial with instance '%d' on device '%s'\n", instance, d->name);
01339    }
01340    return sd;
01341 }
01342 
01343 static int codec_skinny2ast(enum skinny_codecs skinnycodec)
01344 {
01345    switch (skinnycodec) {
01346    case SKINNY_CODEC_ALAW:
01347       return AST_FORMAT_ALAW;
01348    case SKINNY_CODEC_ULAW:
01349       return AST_FORMAT_ULAW;
01350    case SKINNY_CODEC_G723_1:
01351       return AST_FORMAT_G723_1;
01352    case SKINNY_CODEC_G729A:
01353       return AST_FORMAT_G729A;
01354    case SKINNY_CODEC_G726_32:
01355       return AST_FORMAT_G726_AAL2; /* XXX Is this right? */
01356    case SKINNY_CODEC_H261:
01357       return AST_FORMAT_H261;
01358    case SKINNY_CODEC_H263:
01359       return AST_FORMAT_H263;
01360    default:
01361       return 0;
01362    }
01363 }
01364 
01365 static int codec_ast2skinny(int astcodec)
01366 {
01367    switch (astcodec) {
01368    case AST_FORMAT_ALAW:
01369       return SKINNY_CODEC_ALAW;
01370    case AST_FORMAT_ULAW:
01371       return SKINNY_CODEC_ULAW;
01372    case AST_FORMAT_G723_1:
01373       return SKINNY_CODEC_G723_1;
01374    case AST_FORMAT_G729A:
01375       return SKINNY_CODEC_G729A;
01376    case AST_FORMAT_G726_AAL2: /* XXX Is this right? */
01377       return SKINNY_CODEC_G726_32;
01378    case AST_FORMAT_H261:
01379       return SKINNY_CODEC_H261;
01380    case AST_FORMAT_H263:
01381       return SKINNY_CODEC_H263;
01382    default:
01383       return 0;
01384    }
01385 }
01386 
01387 
01388 static int skinny_register(struct skinny_req *req, struct skinnysession *s)
01389 {
01390    struct skinny_device *d;
01391    struct sockaddr_in sin;
01392    socklen_t slen;
01393 
01394    ast_mutex_lock(&devicelock);
01395    for (d = devices; d; d = d->next) {
01396       if (!strcasecmp(req->data.reg.name, d->id)
01397             && ast_apply_ha(d->ha, &(s->sin))) {
01398          s->device = d;
01399          d->type = letohl(req->data.reg.type);
01400          if (ast_strlen_zero(d->version_id)) {
01401             ast_copy_string(d->version_id, version_id, sizeof(d->version_id));
01402          }
01403          d->registered = 1;
01404          d->session = s;
01405 
01406          slen = sizeof(sin);
01407          if (getsockname(s->fd, (struct sockaddr *)&sin, &slen)) {
01408             ast_log(LOG_WARNING, "Cannot get socket name\n");
01409             sin.sin_addr = __ourip;
01410          }
01411          d->ourip = sin.sin_addr;
01412          break;
01413       }
01414    }
01415    ast_mutex_unlock(&devicelock);
01416    if (!d) {
01417       return 0;
01418    }
01419    return 1;
01420 }
01421 
01422 static int skinny_unregister(struct skinny_req *req, struct skinnysession *s)
01423 {
01424    struct skinny_device *d;
01425 
01426    d = s->device;
01427 
01428    if (d) {
01429       d->session = NULL;
01430       d->registered = 0;
01431    }
01432 
01433    return -1; /* main loop will destroy the session */
01434 }
01435 
01436 static int transmit_response(struct skinnysession *s, struct skinny_req *req)
01437 {
01438    int res = 0;
01439 
01440    if (!s) {
01441       ast_log(LOG_WARNING, "Asked to transmit to a non-existant session!\n");
01442       return -1;
01443    }
01444 
01445    ast_mutex_lock(&s->lock);
01446 
01447    if (skinnydebug)
01448       ast_log(LOG_VERBOSE, "writing packet type %04X (%d bytes) to socket %d\n", letohl(req->e), letohl(req->len)+8, s->fd);
01449 
01450    if (letohl(req->len > SKINNY_MAX_PACKET) || letohl(req->len < 0)) {
01451       ast_log(LOG_WARNING, "transmit_response: the length of the request is out of bounds\n");
01452       return -1;
01453    }
01454 
01455    memset(s->outbuf,0,sizeof(s->outbuf));
01456    memcpy(s->outbuf, req, skinny_header_size);
01457    memcpy(s->outbuf+skinny_header_size, &req->data, letohl(req->len));
01458 
01459    res = write(s->fd, s->outbuf, letohl(req->len)+8);
01460 
01461    if (res != letohl(req->len)+8) {
01462       ast_log(LOG_WARNING, "Transmit: write only sent %d out of %d bytes: %s\n", res, letohl(req->len)+8, strerror(errno));
01463       if (res == -1) {
01464          if (skinnydebug)
01465             ast_log(LOG_WARNING, "Transmit: Skinny Client was lost, unregistering\n");
01466          skinny_unregister(NULL, s);
01467       }
01468       
01469    }
01470    
01471    ast_mutex_unlock(&s->lock);
01472    return 1;
01473 }
01474 
01475 static void transmit_speaker_mode(struct skinnysession *s, int mode)
01476 {
01477    struct skinny_req *req;
01478 
01479    if (!(req = req_alloc(sizeof(struct set_speaker_message), SET_SPEAKER_MESSAGE)))
01480       return;
01481 
01482    req->data.setspeaker.mode = htolel(mode);
01483    transmit_response(s, req);
01484 }
01485 /*
01486 static void transmit_microphone_mode(struct skinnysession *s, int mode)
01487 {
01488    struct skinny_req *req;
01489 
01490    if (!(req = req_alloc(sizeof(struct set_microphone_message), SET_MICROPHONE_MESSAGE)))
01491       return;
01492 
01493    req->data.setmicrophone.mode = htolel(mode);
01494    transmit_response(s, req);
01495 }
01496 */
01497 
01498 static void transmit_callinfo(struct skinnysession *s, const char *fromname, const char *fromnum, const char *toname, const char *tonum, int instance, int callid, int calltype)
01499 {
01500    struct skinny_req *req;
01501 
01502    if (!(req = req_alloc(sizeof(struct call_info_message), CALL_INFO_MESSAGE)))
01503       return;
01504 
01505    if (skinnydebug)
01506          ast_verbose("Setting Callinfo to %s(%s) from %s(%s) on %s(%d)\n", fromname, fromnum, toname, tonum, s->device->name, instance);
01507 
01508    if (fromname) {
01509       ast_copy_string(req->data.callinfo.callingPartyName, fromname, sizeof(req->data.callinfo.callingPartyName));
01510    }
01511    if (fromnum) {
01512       ast_copy_string(req->data.callinfo.callingParty, fromnum, sizeof(req->data.callinfo.callingParty));
01513    }
01514    if (toname) {
01515       ast_copy_string(req->data.callinfo.calledPartyName, toname, sizeof(req->data.callinfo.calledPartyName));
01516    }
01517    if (tonum) {
01518       ast_copy_string(req->data.callinfo.calledParty, tonum, sizeof(req->data.callinfo.calledParty));
01519    }
01520    req->data.callinfo.instance = htolel(instance);
01521    req->data.callinfo.reference = htolel(callid);
01522    req->data.callinfo.type = htolel(calltype);
01523    transmit_response(s, req);
01524 }
01525 
01526 static void transmit_connect(struct skinnysession *s, struct skinny_subchannel *sub)
01527 {
01528    struct skinny_req *req;
01529    struct skinny_line *l = sub->parent;
01530    struct ast_format_list fmt;
01531 
01532    if (!(req = req_alloc(sizeof(struct open_receive_channel_message), OPEN_RECEIVE_CHANNEL_MESSAGE)))
01533       return;
01534 
01535    fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
01536 
01537    req->data.openreceivechannel.conferenceId = htolel(sub->callid);
01538    req->data.openreceivechannel.partyId = htolel(sub->callid);
01539    req->data.openreceivechannel.packets = htolel(fmt.cur_ms);
01540    req->data.openreceivechannel.capability = htolel(codec_ast2skinny(fmt.bits));
01541    req->data.openreceivechannel.echo = htolel(0);
01542    req->data.openreceivechannel.bitrate = htolel(0);
01543    transmit_response(s, req);
01544 }
01545 
01546 static void transmit_tone(struct skinnysession *s, int tone, int instance, int reference)
01547 {
01548    struct skinny_req *req;
01549 
01550    if (tone == SKINNY_NOTONE) {
01551       /* This is bad, mmm'kay? */
01552       return;
01553    }
01554 
01555    if (tone > 0) {
01556       if (!(req = req_alloc(sizeof(struct start_tone_message), START_TONE_MESSAGE)))
01557          return;
01558       req->data.starttone.tone = htolel(tone);
01559       req->data.starttone.instance = htolel(instance);
01560       req->data.starttone.reference = htolel(reference);
01561    } else {
01562       if (!(req = req_alloc(sizeof(struct stop_tone_message), STOP_TONE_MESSAGE)))
01563          return;
01564       req->data.stoptone.instance = htolel(instance);
01565       req->data.stoptone.reference = htolel(reference);
01566    }
01567 
01568    if (tone > 0) {
01569       req->data.starttone.tone = htolel(tone);
01570    }
01571    transmit_response(s, req);
01572 }
01573 
01574 static void transmit_selectsoftkeys(struct skinnysession *s, int instance, int callid, int softkey)
01575 {
01576    struct skinny_req *req;
01577 
01578    if (!(req = req_alloc(sizeof(struct select_soft_keys_message), SELECT_SOFT_KEYS_MESSAGE)))
01579       return;
01580 
01581    req->data.selectsoftkey.instance = htolel(instance);
01582    req->data.selectsoftkey.reference = htolel(callid);
01583    req->data.selectsoftkey.softKeySetIndex = htolel(softkey);
01584    req->data.selectsoftkey.validKeyMask = htolel(0xFFFFFFFF);
01585    transmit_response(s, req);
01586 }
01587 
01588 static void transmit_lamp_indication(struct skinnysession *s, int stimulus, int instance, int indication)
01589 {
01590    struct skinny_req *req;
01591 
01592    if (!(req = req_alloc(sizeof(struct set_lamp_message), SET_LAMP_MESSAGE)))
01593       return;
01594 
01595    req->data.setlamp.stimulus = htolel(stimulus);
01596    req->data.setlamp.stimulusInstance = htolel(instance);
01597    req->data.setlamp.deviceStimulus = htolel(indication);
01598    transmit_response(s, req);
01599 }
01600 
01601 static void transmit_ringer_mode(struct skinnysession *s, int mode)
01602 {
01603    struct skinny_req *req;
01604 
01605    if (skinnydebug)
01606       ast_verbose("Setting ringer mode to '%d'.\n", mode);
01607 
01608    if (!(req = req_alloc(sizeof(struct set_ringer_message), SET_RINGER_MESSAGE)))
01609       return;
01610 
01611    req->data.setringer.ringerMode = htolel(mode);
01612    /* XXX okay, I don't quite know what this is, but here's what happens (on a 7960).
01613       Note: The phone will always show as ringing on the display.
01614 
01615       1: phone will audibly ring over and over
01616       2: phone will audibly ring only once
01617       any other value, will NOT cause the phone to audibly ring
01618    */
01619    req->data.setringer.unknown1 = htolel(1);
01620    /* XXX the value here doesn't seem to change anything.  Must be higher than 0.
01621       Perhaps a packet capture can shed some light on this. */
01622    req->data.setringer.unknown2 = htolel(1);
01623    transmit_response(s, req);
01624 }
01625 
01626 static void transmit_displaymessage(struct skinnysession *s, const char *text, int instance, int reference)
01627 {
01628    struct skinny_req *req;
01629 
01630    if (text == 0) {
01631       if (!(req = req_alloc(0, CLEAR_DISPLAY_MESSAGE)))
01632          return;
01633 
01634       req->data.clearpromptstatus.lineInstance = instance;
01635       req->data.clearpromptstatus.callReference = reference;
01636 
01637       if (skinnydebug)
01638          ast_verbose("Clearing Display\n");
01639    } else {
01640       if (!(req = req_alloc(sizeof(struct displaytext_message), DISPLAYTEXT_MESSAGE)))
01641          return;
01642 
01643       ast_copy_string(req->data.displaytext.text, text, sizeof(req->data.displaytext.text));
01644       if (skinnydebug)
01645          ast_verbose("Displaying message '%s'\n", req->data.displaytext.text);
01646    }
01647 
01648    transmit_response(s, req);
01649 }
01650 
01651 static void transmit_displaynotify(struct skinnysession *s, const char *text, int t)
01652 {
01653    struct skinny_req *req;
01654 
01655    if (!(req = req_alloc(sizeof(struct display_notify_message), DISPLAY_NOTIFY_MESSAGE)))
01656       return;
01657 
01658    ast_copy_string(req->data.displaynotify.displayMessage, text, sizeof(req->data.displaynotify.displayMessage));
01659    req->data.displaynotify.displayTimeout = htolel(t);
01660 
01661    if (skinnydebug)
01662       ast_verbose("Displaying notify '%s'\n", text);
01663 
01664    transmit_response(s, req);
01665 }
01666 
01667 static void transmit_displaypromptstatus(struct skinnysession *s, const char *text, int t, int instance, int callid)
01668 {
01669    struct skinny_req *req;
01670 
01671    if (text == 0) {
01672       if (!(req = req_alloc(sizeof(struct clear_prompt_message), CLEAR_PROMPT_MESSAGE)))
01673          return;
01674 
01675       req->data.clearpromptstatus.lineInstance = htolel(instance);
01676       req->data.clearpromptstatus.callReference = htolel(callid);
01677 
01678       if (skinnydebug)
01679          ast_verbose("Clearing Prompt\n");
01680    } else {
01681       if (!(req = req_alloc(sizeof(struct display_prompt_status_message), DISPLAY_PROMPT_STATUS_MESSAGE)))
01682          return;
01683 
01684       ast_copy_string(req->data.displaypromptstatus.promptMessage, text, sizeof(req->data.displaypromptstatus.promptMessage));
01685       req->data.displaypromptstatus.messageTimeout = htolel(t);
01686       req->data.displaypromptstatus.lineInstance = htolel(instance);
01687       req->data.displaypromptstatus.callReference = htolel(callid);
01688 
01689       if (skinnydebug)
01690          ast_verbose("Displaying Prompt Status '%s'\n", text);
01691    }
01692 
01693    transmit_response(s, req);
01694 }
01695 
01696 static void transmit_dialednumber(struct skinnysession *s, const char *text, int instance, int callid)
01697 {
01698    struct skinny_req *req;
01699 
01700    if (!(req = req_alloc(sizeof(struct dialed_number_message), DIALED_NUMBER_MESSAGE)))
01701       return;
01702 
01703    ast_copy_string(req->data.dialednumber.dialedNumber, text, sizeof(req->data.dialednumber.dialedNumber));
01704    req->data.dialednumber.lineInstance = htolel(instance);
01705    req->data.dialednumber.callReference = htolel(callid);
01706 
01707    transmit_response(s, req);
01708 }
01709 
01710 static void transmit_callstate(struct skinnysession *s, int instance, int state, unsigned callid)
01711 {
01712    struct skinny_req *req;
01713 
01714    if (state == SKINNY_ONHOOK) {
01715       if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
01716          return;
01717 
01718       req->data.closereceivechannel.conferenceId = htolel(callid);
01719       req->data.closereceivechannel.partyId = htolel(callid);
01720       transmit_response(s, req);
01721 
01722       if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
01723          return;
01724 
01725       req->data.stopmedia.conferenceId = htolel(callid);
01726       req->data.stopmedia.passThruPartyId = htolel(callid);
01727       transmit_response(s, req);
01728 
01729       transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
01730 
01731       transmit_displaypromptstatus(s, NULL, 0, instance, callid);
01732    }
01733 
01734    if (!(req = req_alloc(sizeof(struct call_state_message), CALL_STATE_MESSAGE)))
01735       return;
01736 
01737    req->data.callstate.callState = htolel(state);
01738    req->data.callstate.lineInstance = htolel(instance);
01739    req->data.callstate.callReference = htolel(callid);
01740    transmit_response(s, req);
01741 
01742    if (state == SKINNY_ONHOOK) {
01743       transmit_selectsoftkeys(s, 0, 0, KEYDEF_ONHOOK);
01744    }
01745 
01746    if (state == SKINNY_OFFHOOK || state == SKINNY_ONHOOK) {
01747       if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
01748          return;
01749 
01750       req->data.activatecallplane.lineInstance = htolel(instance);
01751       transmit_response(s, req);
01752    }
01753 }
01754 
01755 /*
01756 static int has_voicemail(struct skinny_line *l)
01757 {
01758    return ast_app_has_voicemail(l->mailbox, NULL);
01759 }
01760 */
01761 
01762 static void do_housekeeping(struct skinnysession *s)
01763 {
01764 /*
01765    int new;
01766    int old;
01767    struct skinny_device *d = s->device;
01768    struct skinny_line *l;
01769 */
01770 
01771    /* Update time on device */
01772    handle_time_date_req_message(NULL, s);
01773 
01774 /*
01775    for (l = d->lines; l; l = l->next) {
01776       if (has_voicemail(l)) {
01777          if (skinnydebug)
01778             ast_verbose("Checking for voicemail Skinny %s@%s\n", l->name, d->name);
01779          ast_app_inboxcount(l->mailbox, &new, &old);
01780          if (skinnydebug)
01781             ast_verbose("Skinny %s@%s has voicemail!\n", l->name, d->name);
01782          transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, l->mwiblink?SKINNY_LAMP_BLINK:SKINNY_LAMP_ON);
01783       } else {
01784          transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, SKINNY_LAMP_OFF);
01785       }
01786    }
01787 */
01788 }
01789 
01790 /* I do not believe skinny can deal with video.
01791    Anyone know differently? */
01792 /* Yes, it can.  Currently 7985 and Cisco VT Advantage do video. */
01793 static enum ast_rtp_get_result skinny_get_vrtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
01794 {
01795    struct skinny_subchannel *sub = NULL;
01796 
01797    if (!(sub = c->tech_pvt) || !(sub->vrtp))
01798       return AST_RTP_GET_FAILED;
01799 
01800    *rtp = sub->vrtp;
01801 
01802    return AST_RTP_TRY_NATIVE;
01803 }
01804 
01805 static enum ast_rtp_get_result skinny_get_rtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
01806 {
01807    struct skinny_subchannel *sub = NULL;
01808 
01809    if (!(sub = c->tech_pvt) || !(sub->rtp))
01810       return AST_RTP_GET_FAILED;
01811 
01812    *rtp = sub->rtp;
01813 
01814    return AST_RTP_TRY_NATIVE;
01815 }
01816 
01817 static int skinny_set_rtp_peer(struct ast_channel *c, struct ast_rtp *rtp, struct ast_rtp *vrtp, int codecs, int nat_active)
01818 {
01819    struct skinny_subchannel *sub;
01820    sub = c->tech_pvt;
01821    if (sub) {
01822       /* transmit_modify_with_sdp(sub, rtp); @@FIXME@@ if needed */
01823       return 0;
01824    }
01825    return -1;
01826 }
01827 
01828 static struct ast_rtp_protocol skinny_rtp = {
01829    .type = "Skinny",
01830    .get_rtp_info = skinny_get_rtp_peer,
01831    .get_vrtp_info = skinny_get_vrtp_peer,
01832    .set_rtp_peer = skinny_set_rtp_peer,
01833 };
01834 
01835 static int skinny_do_debug(int fd, int argc, char *argv[])
01836 {
01837    if (argc != 3) {
01838       return RESULT_SHOWUSAGE;
01839    }
01840    skinnydebug = 1;
01841    ast_cli(fd, "Skinny Debugging Enabled\n");
01842    return RESULT_SUCCESS;
01843 }
01844 
01845 static int skinny_no_debug(int fd, int argc, char *argv[])
01846 {
01847    if (argc != 4) {
01848       return RESULT_SHOWUSAGE;
01849    }
01850    skinnydebug = 0;
01851    ast_cli(fd, "Skinny Debugging Disabled\n");
01852    return RESULT_SUCCESS;
01853 }
01854 
01855 static char *complete_skinny_reset(const char *line, const char *word, int pos, int state)
01856 {
01857    struct skinny_device *d;
01858 
01859    char *result = NULL;
01860    int wordlen = strlen(word);
01861    int which = 0;
01862 
01863    if (pos == 2) {
01864       for (d = devices; d && !result; d = d->next) {
01865          if (!strncasecmp(word, d->id, wordlen) && ++which > state)
01866             result = ast_strdup(d->id);
01867       }
01868    }
01869 
01870    return result;
01871 }
01872 
01873 static int skinny_reset_device(int fd, int argc, char *argv[])
01874 {
01875    struct skinny_device *d;
01876    struct skinny_req *req;
01877 
01878    if (argc < 3 || argc > 4) {
01879       return RESULT_SHOWUSAGE;
01880    }
01881    ast_mutex_lock(&devicelock);
01882 
01883    for (d = devices; d; d = d->next) {
01884       int fullrestart = 0;
01885       if (!strcasecmp(argv[2], d->id) || !strcasecmp(argv[2], "all")) {
01886          if (!(d->session))
01887             continue;
01888 
01889          if (!(req = req_alloc(sizeof(struct reset_message), RESET_MESSAGE)))
01890             continue;
01891 
01892          if (argc == 4 && !strcasecmp(argv[3], "restart"))
01893             fullrestart = 1;
01894 
01895          if (fullrestart)
01896             req->data.reset.resetType = 2;
01897          else
01898             req->data.reset.resetType = 1;
01899 
01900          if (option_verbose > 2)
01901             ast_verbose(VERBOSE_PREFIX_3 "%s device %s.\n", (fullrestart) ? "Restarting" : "Resetting", d->id);
01902          transmit_response(d->session, req);
01903       }
01904    }
01905    ast_mutex_unlock(&devicelock);
01906    return RESULT_SUCCESS;
01907 }
01908 
01909 static char *device2str(int type)
01910 {
01911    char *tmp;
01912 
01913    switch (type) {
01914    case SKINNY_DEVICE_NONE:
01915       return "No Device";
01916    case SKINNY_DEVICE_30SPPLUS:
01917       return "30SP Plus";
01918    case SKINNY_DEVICE_12SPPLUS:
01919       return "12SP Plus";
01920    case SKINNY_DEVICE_12SP:
01921       return "12SP";
01922    case SKINNY_DEVICE_12:
01923       return "12";
01924    case SKINNY_DEVICE_30VIP:
01925       return "30VIP";
01926    case SKINNY_DEVICE_7910:
01927       return "7910";
01928    case SKINNY_DEVICE_7960:
01929       return "7960";
01930    case SKINNY_DEVICE_7940:
01931       return "7940";
01932    case SKINNY_DEVICE_7935:
01933       return "7935";
01934    case SKINNY_DEVICE_ATA186:
01935       return "ATA186";
01936    case SKINNY_DEVICE_7941:
01937       return "7941";
01938    case SKINNY_DEVICE_7971:
01939       return "7971";
01940    case SKINNY_DEVICE_7985:
01941       return "7985";
01942    case SKINNY_DEVICE_7911:
01943       return "7911";
01944    case SKINNY_DEVICE_7961GE:
01945       return "7961GE";
01946    case SKINNY_DEVICE_7941GE:
01947       return "7941GE";
01948    case SKINNY_DEVICE_7921:
01949       return "7921";
01950    case SKINNY_DEVICE_7905:
01951       return "7905";
01952    case SKINNY_DEVICE_7920:
01953       return "7920";
01954    case SKINNY_DEVICE_7970:
01955       return "7970";
01956    case SKINNY_DEVICE_7912:
01957       return "7912";
01958    case SKINNY_DEVICE_7902:
01959       return "7902";
01960    case SKINNY_DEVICE_CIPC:
01961       return "IP Communicator";
01962    case SKINNY_DEVICE_7961:
01963       return "7961";
01964    case SKINNY_DEVICE_7936:
01965       return "7936";
01966    case SKINNY_DEVICE_SCCPGATEWAY_AN:
01967       return "SCCPGATEWAY_AN";
01968    case SKINNY_DEVICE_SCCPGATEWAY_BRI:
01969       return "SCCPGATEWAY_BRI";
01970    case SKINNY_DEVICE_UNKNOWN:
01971       return "Unknown";
01972    default:
01973       if (!(tmp = ast_threadstorage_get(&device2str_threadbuf, DEVICE2STR_BUFSIZE)))
01974          return "Unknown";
01975       snprintf(tmp, DEVICE2STR_BUFSIZE, "UNKNOWN-%d", type);
01976       return tmp;
01977    }
01978 }
01979 
01980 static int skinny_show_devices(int fd, int argc, char *argv[])
01981 {
01982    struct skinny_device *d;
01983    struct skinny_line *l;
01984    int numlines = 0;
01985 
01986    if (argc != 3) {
01987       return RESULT_SHOWUSAGE;
01988    }
01989    ast_mutex_lock(&devicelock);
01990 
01991    ast_cli(fd, "Name                 DeviceId         IP              Type            R NL\n");
01992    ast_cli(fd, "-------------------- ---------------- --------------- --------------- - --\n");
01993    for (d = devices; d; d = d->next) {
01994       numlines = 0;
01995       for (l = d->lines; l; l = l->next) {
01996          numlines++;
01997       }
01998 
01999       ast_cli(fd, "%-20s %-16s %-15s %-15s %c %2d\n",
02000             d->name,
02001             d->id,
02002             d->session?ast_inet_ntoa(d->session->sin.sin_addr):"",
02003             device2str(d->type),
02004             d->registered?'Y':'N',
02005             numlines);
02006    }
02007    ast_mutex_unlock(&devicelock);
02008    return RESULT_SUCCESS;
02009 }
02010 
02011 static int skinny_show_lines(int fd, int argc, char *argv[])
02012 {
02013    struct skinny_device *d;
02014    struct skinny_line *l;
02015 
02016    if (argc != 3) {
02017       return RESULT_SHOWUSAGE;
02018    }
02019    ast_mutex_lock(&devicelock);
02020 
02021    ast_cli(fd, "Device Name          Instance Name                 Label               \n");
02022    ast_cli(fd, "-------------------- -------- -------------------- --------------------\n");
02023    for (d = devices; d; d = d->next) {
02024       for (l = d->lines; l; l = l->next) {
02025          ast_cli(fd, "%-20s %8d %-20s %-20s\n",
02026             d->name,
02027             l->instance,
02028             l->name,
02029             l->label);
02030       }
02031    }
02032 
02033    ast_mutex_unlock(&devicelock);
02034    return RESULT_SUCCESS;
02035 }
02036 
02037 static char show_devices_usage[] =
02038 "Usage: skinny show devices\n"
02039 "       Lists all devices known to the Skinny subsystem.\n";
02040 
02041 static char show_lines_usage[] =
02042 "Usage: skinny show lines\n"
02043 "       Lists all lines known to the Skinny subsystem.\n";
02044 
02045 static char debug_usage[] =
02046 "Usage: skinny set debug\n"
02047 "       Enables dumping of Skinny packets for debugging purposes\n";
02048 
02049 static char no_debug_usage[] =
02050 "Usage: skinny set debug off\n"
02051 "       Disables dumping of Skinny packets for debugging purposes\n";
02052 
02053 static char reset_usage[] =
02054 "Usage: skinny reset <DeviceId|all> [restart]\n"
02055 "       Causes a Skinny device to reset itself, optionally with a full restart\n";
02056 
02057 static struct ast_cli_entry cli_skinny[] = {
02058    { { "skinny", "show", "devices", NULL },
02059    skinny_show_devices, "List defined Skinny devices",
02060    show_devices_usage },
02061 
02062    { { "skinny", "show", "lines", NULL },
02063    skinny_show_lines, "List defined Skinny lines per device",
02064    show_lines_usage },
02065 
02066    { { "skinny", "set", "debug", NULL },
02067    skinny_do_debug, "Enable Skinny debugging",
02068    debug_usage },
02069 
02070    { { "skinny", "set", "debug", "off", NULL },
02071    skinny_no_debug, "Disable Skinny debugging",
02072    no_debug_usage },
02073 
02074    { { "skinny", "reset", NULL },
02075    skinny_reset_device, "Reset Skinny device(s)",
02076    reset_usage, complete_skinny_reset },
02077 };
02078 
02079 #if 0
02080 static struct skinny_paging_device *build_paging_device(const char *cat, struct ast_variable *v)
02081 {
02082    return NULL;
02083 }
02084 #endif
02085 
02086 static struct skinny_device *build_device(const char *cat, struct ast_variable *v)
02087 {
02088    struct skinny_device *d;
02089    struct skinny_line *l;
02090    struct skinny_speeddial *sd;
02091    struct skinny_addon *a;
02092    int lineInstance = 1;
02093    int speeddialInstance = 1;
02094    int y = 0;
02095 
02096    if (!(d = ast_calloc(1, sizeof(struct skinny_device)))) {
02097       return NULL;
02098    } else {
02099       ast_copy_string(d->name, cat, sizeof(d->name));
02100       d->lastlineinstance = 1;
02101       d->capability = default_capability;
02102       d->prefs = default_prefs;
02103       while(v) {
02104          if (!strcasecmp(v->name, "host")) {
02105             if (ast_get_ip(&d->addr, v->value)) {
02106                free(d);
02107                return NULL;
02108             }
02109          } else if (!strcasecmp(v->name, "port")) {
02110             d->addr.sin_port = htons(atoi(v->value));
02111          } else if (!strcasecmp(v->name, "device")) {
02112             ast_copy_string(d->id, v->value, sizeof(d->id));
02113          } else if (!strcasecmp(v->name, "permit") || !strcasecmp(v->name, "deny")) {
02114             d->ha = ast_append_ha(v->name, v->value, d->ha);
02115          } else if (!strcasecmp(v->name, "context")) {
02116             ast_copy_string(context, v->value, sizeof(context));
02117          } else if (!strcasecmp(v->name, "allow")) {
02118             ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 1);
02119          } else if (!strcasecmp(v->name, "disallow")) {
02120             ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 0);
02121          } else if (!strcasecmp(v->name, "version")) {
02122             ast_copy_string(d->version_id, v->value, sizeof(d->version_id));
02123          } else if (!strcasecmp(v->name, "nat")) {
02124             nat = ast_true(v->value);
02125          } else if (!strcasecmp(v->name, "callerid")) {
02126             if (!strcasecmp(v->value, "asreceived")) {
02127                cid_num[0] = '\0';
02128                cid_name[0] = '\0';
02129             } else {
02130                ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
02131             }
02132          } else if (!strcasecmp(v->name, "language")) {
02133             ast_copy_string(language, v->value, sizeof(language));
02134          } else if (!strcasecmp(v->name, "accountcode")) {
02135             ast_copy_string(accountcode, v->value, sizeof(accountcode));
02136          } else if (!strcasecmp(v->name, "amaflags")) {
02137             y = ast_cdr_amaflags2int(v->value);
02138             if (y < 0) {
02139                ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno);
02140             } else {
02141                amaflags = y;
02142             }
02143          } else if (!strcasecmp(v->name, "mohinterpret") || !strcasecmp(v->name, "musiconhold")) {
02144             ast_copy_string(mohinterpret, v->value, sizeof(mohinterpret));
02145          } else if (!strcasecmp(v->name, "mohsuggest")) {
02146             ast_copy_string(mohsuggest, v->value, sizeof(mohsuggest));
02147          } else if (!strcasecmp(v->name, "callgroup")) {
02148             cur_callergroup = ast_get_group(v->value);
02149          } else if (!strcasecmp(v->name, "pickupgroup")) {
02150             cur_pickupgroup = ast_get_group(v->value);
02151          } else if (!strcasecmp(v->name, "immediate")) {
02152             immediate = ast_true(v->value);
02153          } else if (!strcasecmp(v->name, "cancallforward")) {
02154             cancallforward = ast_true(v->value);
02155          } else if (!strcasecmp(v->name, "mailbox")) {
02156             ast_copy_string(mailbox, v->value, sizeof(mailbox));
02157          } else if (!strcasecmp(v->name, "callreturn")) {
02158             callreturn = ast_true(v->value);
02159          } else if (!strcasecmp(v->name, "callwaiting")) {
02160             callwaiting = ast_true(v->value);
02161          } else if (!strcasecmp(v->name, "transfer")) {
02162             transfer = ast_true(v->value);
02163          } else if (!strcasecmp(v->name, "threewaycalling")) {
02164             threewaycalling = ast_true(v->value);
02165          } else if (!strcasecmp(v->name, "mwiblink")) {
02166             mwiblink = ast_true(v->value);
02167          } else if (!strcasecmp(v->name, "linelabel")) {
02168             ast_copy_string(linelabel, v->value, sizeof(linelabel));
02169          } else if (!strcasecmp(v->name, "speeddial")) {
02170             if (!(sd = ast_calloc(1, sizeof(struct skinny_speeddial)))) {
02171                return NULL;
02172             } else {
02173                char *stringp, *exten, *label;
02174                stringp = v->value;
02175                exten = strsep(&stringp, ",");
02176                label = strsep(&stringp, ",");
02177                ast_mutex_init(&sd->lock);
02178                ast_copy_string(sd->exten, exten, sizeof(sd->exten));
02179                if (label)
02180                   ast_copy_string(sd->label, label, sizeof(sd->label));
02181                else
02182                   ast_copy_string(sd->label, exten, sizeof(sd->label));
02183                sd->instance = speeddialInstance++;
02184 
02185                sd->parent = d;
02186 
02187                sd->next = d->speeddials;
02188                d->speeddials = sd;
02189             }
02190          } else if (!strcasecmp(v->name, "addon")) {
02191             if (!(a = ast_calloc(1, sizeof(struct skinny_addon)))) {
02192                return NULL;
02193             } else {
02194                ast_mutex_init(&a->lock);
02195                ast_copy_string(a->type, v->value, sizeof(a->type));
02196 
02197                a->next = d->addons;
02198                d->addons = a;
02199             }
02200          } else if (!strcasecmp(v->name, "trunk") || !strcasecmp(v->name, "line")) {
02201             if (!(l = ast_calloc(1, sizeof(struct skinny_line)))) {
02202                return NULL;
02203             } else {
02204                ast_mutex_init(&l->lock);
02205                ast_copy_string(l->name, v->value, sizeof(l->name));
02206 
02207                /* XXX Should we check for uniqueness?? XXX */
02208                ast_copy_string(l->context, context, sizeof(l->context));
02209                ast_copy_string(l->cid_num, cid_num, sizeof(l->cid_num));
02210                ast_copy_string(l->cid_name, cid_name, sizeof(l->cid_name));
02211                ast_copy_string(l->label, linelabel, sizeof(l->label));
02212                ast_copy_string(l->language, language, sizeof(l->language));
02213                ast_copy_string(l->mohinterpret, mohinterpret, sizeof(l->mohinterpret));
02214                ast_copy_string(l->mohsuggest, mohsuggest, sizeof(l->mohsuggest));
02215                ast_copy_string(l->mailbox, mailbox, sizeof(l->mailbox));
02216                if (!ast_strlen_zero(mailbox)) {
02217                   if (option_verbose > 2)
02218                      ast_verbose(VERBOSE_PREFIX_3 "Setting mailbox '%s' on %s@%s\n", mailbox, d->name, l->name);
02219                }
02220                l->msgstate = -1;
02221                l->capability = d->capability;
02222                l->prefs = d->prefs;
02223                l->parent = d;
02224                if (!strcasecmp(v->name, "trunk")) {
02225                   l->type = TYPE_TRUNK;
02226                } else {
02227                   l->type = TYPE_LINE;
02228                }
02229                l->immediate = immediate;
02230                l->callgroup = cur_callergroup;
02231                l->pickupgroup = cur_pickupgroup;
02232                l->callreturn = callreturn;
02233                l->cancallforward = cancallforward;
02234                l->callwaiting = callwaiting;
02235                l->transfer = transfer;
02236                l->threewaycalling = threewaycalling;
02237                l->mwiblink = mwiblink;
02238                l->onhooktime = time(NULL);
02239                l->instance = lineInstance++;
02240                /* ASSUME we're onhook at this point */
02241                l->hookstate = SKINNY_ONHOOK;
02242                l->nat = nat;
02243 
02244                l->next = d->lines;
02245                d->lines = l;
02246             }
02247          } else {
02248             ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno);
02249          }
02250          v = v->next;
02251       }
02252 
02253       if (!d->lines) {
02254          ast_log(LOG_ERROR, "A Skinny device must have at least one line!\n");
02255          return NULL;
02256       }
02257       if (/*d->addr.sin_addr.s_addr && */!ntohs(d->addr.sin_port)) {
02258          d->addr.sin_port = htons(DEFAULT_SKINNY_PORT);
02259       }
02260 #if 0
02261       /* I don't think we need this anymore at all, since d->ourip is set in skinny_register now */
02262       if (d->addr.sin_addr.s_addr) {
02263          /* XXX See note above, in 'host' option. */
02264          if (ast_ouraddrfor(&d->addr.sin_addr, &d->ourip)) {
02265             d->ourip = __ourip;
02266          }
02267       } else {
02268          d->ourip = __ourip;
02269       }
02270 #endif
02271    }
02272    return d;
02273 }
02274 
02275 static void start_rtp(struct skinny_subchannel *sub)
02276 {
02277    struct skinny_line *l = sub->parent;
02278    struct skinny_device *d = l->parent;
02279    int hasvideo = 0;
02280 
02281    ast_mutex_lock(&sub->lock);
02282    /* Allocate the RTP */
02283    sub->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
02284    if (hasvideo)
02285       sub->vrtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
02286    
02287    if (sub->rtp && sub->owner) {
02288       sub->owner->fds[0] = ast_rtp_fd(sub->rtp);
02289       sub->owner->fds[1] = ast_rtcp_fd(sub->rtp);
02290    }
02291    if (hasvideo && sub->vrtp && sub->owner) {
02292       sub->owner->fds[2] = ast_rtp_fd(sub->vrtp);
02293       sub->owner->fds[3] = ast_rtcp_fd(sub->vrtp);
02294    }
02295    if (sub->rtp) {
02296       ast_rtp_setnat(sub->rtp, l->nat);
02297    }
02298    if (sub->vrtp) {
02299       ast_rtp_setnat(sub->vrtp, l->nat);
02300    }
02301    /* Set Frame packetization */
02302    if (sub->rtp)
02303       ast_rtp_codec_setpref(sub->rtp, &l->prefs);
02304 
02305    /* Create the RTP connection */
02306    transmit_connect(d->session, sub);
02307    ast_mutex_unlock(&sub->lock);
02308 }
02309 
02310 static void *skinny_newcall(void *data)
02311 {
02312    struct ast_channel *c = data;
02313    struct skinny_subchannel *sub = c->tech_pvt;
02314    struct skinny_line *l = sub->parent;
02315    struct skinny_device *d = l->parent;
02316    struct skinnysession *s = d->session;
02317    int res = 0;
02318 
02319    ast_copy_string(l->lastnumberdialed, c->exten, sizeof(l->lastnumberdialed));
02320    ast_set_callerid(c,
02321       l->hidecallerid ? "" : l->cid_num,
02322       l->hidecallerid ? "" : l->cid_name,
02323       c->cid.cid_ani ? NULL : l->cid_num);
02324    ast_setstate(c, AST_STATE_RING);
02325    res = ast_pbx_run(c);
02326    if (res) {
02327       ast_log(LOG_WARNING, "PBX exited non-zero\n");
02328       transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
02329    }
02330    return NULL;
02331 }
02332 
02333 static void *skinny_ss(void *data)
02334 {
02335    struct ast_channel *c = data;
02336    struct skinny_subchannel *sub = c->tech_pvt;
02337    struct skinny_line *l = sub->parent;
02338    struct skinny_device *d = l->parent;
02339    struct skinnysession *s = d->session;
02340    int len = 0;
02341    int timeout = firstdigittimeout;
02342    int res = 0;
02343    int getforward=0;
02344    int loop_pause = 100;
02345 
02346    if (option_verbose > 2)
02347       ast_verbose( VERBOSE_PREFIX_3 "Starting simple switch on '%s@%s'\n", l->name, d->name);
02348    len = strlen(d->exten);
02349 
02350    while (len < AST_MAX_EXTENSION-1) {
02351 
02352       res = 1;  /* Assume we will get a digit */
02353       while (strlen(d->exten) == len) {
02354          ast_safe_sleep(c, loop_pause);
02355          timeout -= loop_pause;
02356          if (timeout <= 0){
02357             res = 0;
02358             break;
02359          }
02360       }
02361 
02362       len = strlen(d->exten);
02363 
02364       if (!ast_ignore_pattern(c->context, d->exten)) {
02365          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
02366       }
02367 
02368       if (ast_exists_extension(c, c->context, d->exten, 1, l->cid_num)) {
02369          if (!res || !ast_matchmore_extension(c, c->context, d->exten, 1, l->cid_num)) {
02370             if (getforward) {
02371                /* Record this as the forwarding extension */
02372                ast_copy_string(l->call_forward, d->exten, sizeof(l->call_forward));
02373                if (option_verbose > 2)
02374                   ast_verbose(VERBOSE_PREFIX_3 "Setting call forward to '%s' on channel %s\n",
02375                      l->call_forward, c->name);
02376                transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
02377                if (res) {
02378                   break;
02379                }
02380                ast_safe_sleep(c, 500);
02381                ast_indicate(c, -1);
02382                ast_safe_sleep(c, 1000);
02383                memset(d->exten, 0, sizeof(d->exten));
02384                transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
02385                len = 0;
02386                getforward = 0;
02387             } else {
02388                ast_copy_string(c->exten, d->exten, sizeof(c->exten));
02389                ast_copy_string(l->lastnumberdialed, d->exten, sizeof(l->lastnumberdialed));
02390                memset (d->exten, 0, sizeof(d->exten));
02391                skinny_newcall(c);
02392                return NULL;
02393             }
02394          } else {
02395             /* It's a match, but they just typed a digit, and there is an ambiguous match,
02396                so just set the timeout to matchdigittimeout and wait some more */
02397             timeout = matchdigittimeout;
02398          }
02399       } else if (res == 0) {
02400          ast_log(LOG_DEBUG, "Not enough digits (and no ambiguous match)...\n");
02401          memset(d->exten, 0, sizeof(d->exten));
02402          transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
02403          if (sub->owner && sub->owner->_state != AST_STATE_UP) {
02404             ast_indicate(c, -1);
02405             ast_hangup(c);
02406          }
02407          return NULL;
02408       } else if (!ast_canmatch_extension(c, c->context, d->exten, 1, c->cid.cid_num) &&
02409             ((d->exten[0] != '*') || (!ast_strlen_zero(d->exten) > 2))) {
02410          ast_log(LOG_WARNING, "Can't match [%s] from '%s' in context %s\n", d->exten, c->cid.cid_num ? c->cid.cid_num : "<Unknown Caller>", c->context);
02411          memset(d->exten, 0, sizeof(d->exten));
02412          transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
02413          /* hang out for 3 seconds to let congestion play */
02414          ast_safe_sleep(c, 3000);
02415          break;
02416       }
02417       if (!timeout) {
02418          timeout = gendigittimeout;
02419       }
02420       if (len && !ast_ignore_pattern(c->context, d->exten)) {
02421          ast_indicate(c, -1);
02422       }
02423    }
02424    if (c)
02425       ast_hangup(c);
02426 
02427    memset(d->exten, 0, sizeof(d->exten));
02428    return NULL;
02429 }
02430 
02431 
02432 
02433 static int skinny_call(struct ast_channel *ast, char *dest, int timeout)
02434 {
02435    int res = 0;
02436    int tone = 0;
02437    struct skinny_subchannel *sub = ast->tech_pvt;
02438    struct skinny_line *l = sub->parent;
02439    struct skinny_device *d = l->parent;
02440    struct skinnysession *s = d->session;
02441 
02442    if (!d->registered) {
02443       ast_log(LOG_ERROR, "Device not registered, cannot call %s\n", dest);
02444       return -1;
02445    }
02446 
02447    if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
02448       ast_log(LOG_WARNING, "skinny_call called on %s, neither down nor reserved\n", ast->name);
02449       return -1;
02450    }
02451 
02452    if (skinnydebug)
02453       ast_verbose(VERBOSE_PREFIX_3 "skinny_call(%s)\n", ast->name);
02454 
02455    if (l->dnd) {
02456       ast_queue_control(ast, AST_CONTROL_BUSY);
02457       return -1;
02458    }
02459 
02460    switch (l->hookstate) {
02461    case SKINNY_OFFHOOK:
02462       tone = SKINNY_CALLWAITTONE;
02463       break;
02464    case SKINNY_ONHOOK:
02465       tone = SKINNY_ALERT;
02466       break;
02467    default:
02468       ast_log(LOG_ERROR, "Don't know how to deal with hookstate %d\n", l->hookstate);
02469       break;
02470    }
02471 
02472    transmit_callstate(s, l->instance, SKINNY_RINGIN, sub->callid);
02473    transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGIN);
02474    transmit_displaypromptstatus(s, "Ring-In", 0, l->instance, sub->callid);
02475    transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, l->cid_name, l->cid_num, l->instance, sub->callid, 1);
02476    transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_BLINK);
02477    transmit_ringer_mode(s, SKINNY_RING_INSIDE);
02478 
02479    ast_setstate(ast, AST_STATE_RINGING);
02480    ast_queue_control(ast, AST_CONTROL_RINGING);
02481    sub->outgoing = 1;
02482    return res;
02483 }
02484 
02485 static int skinny_hangup(struct ast_channel *ast)
02486 {
02487    struct skinny_subchannel *sub = ast->tech_pvt;
02488    struct skinny_line *l;
02489    struct skinny_device *d;
02490    struct skinnysession *s;
02491 
02492    if (!sub) {
02493       ast_log(LOG_DEBUG, "Asked to hangup channel not connected\n");
02494       return 0;
02495    }
02496    l = sub->parent;
02497    d = l->parent;
02498    s = d->session;
02499    if (skinnydebug)
02500       ast_verbose("skinny_hangup(%s) on %s@%s\n", ast->name, l->name, d->name);
02501 
02502    if (d->registered) {
02503       if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_OFFHOOK)) {
02504          l->hookstate = SKINNY_ONHOOK;
02505          transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
02506          transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
02507          transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
02508       } else if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_ONHOOK)) {
02509          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
02510          transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
02511          transmit_ringer_mode(s, SKINNY_RING_OFF);
02512          transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
02513          do_housekeeping(s);
02514       }
02515    }
02516    ast_mutex_lock(&sub->lock);
02517    sub->owner = NULL;
02518    ast->tech_pvt = NULL;
02519    sub->alreadygone = 0;
02520    sub->outgoing = 0;
02521    if (sub->rtp) {
02522       ast_rtp_destroy(sub->rtp);
02523       sub->rtp = NULL;
02524    }
02525    ast_mutex_unlock(&sub->lock);
02526    return 0;
02527 }
02528 
02529 static int skinny_answer(struct ast_channel *ast)
02530 {
02531    int res = 0;
02532    struct skinny_subchannel *sub = ast->tech_pvt;
02533    struct skinny_line *l = sub->parent;
02534    struct skinny_device *d = l->parent;
02535    struct skinnysession *s = d->session;
02536    char exten[AST_MAX_EXTENSION] = "";
02537 
02538    ast_copy_string(exten, S_OR(ast->macroexten, ast->exten), sizeof(exten));
02539 
02540    sub->cxmode = SKINNY_CX_SENDRECV;
02541    if (!sub->rtp) {
02542       start_rtp(sub);
02543    }
02544    if (skinnydebug)
02545       ast_verbose("skinny_answer(%s) on %s@%s-%d\n", ast->name, l->name, d->name, sub->callid);
02546    if (ast->_state != AST_STATE_UP) {
02547       ast_setstate(ast, AST_STATE_UP);
02548    }
02549 
02550    transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
02551    /* order matters here...
02552       for some reason, transmit_callinfo must be before transmit_callstate,
02553       or you won't get keypad messages in some situations. */
02554    transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, exten, exten, l->instance, sub->callid, 2);
02555    transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
02556    transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
02557    transmit_dialednumber(s, exten, l->instance, sub->callid);
02558    transmit_displaypromptstatus(s, "Connected", 0, l->instance, sub->callid);
02559    return res;
02560 }
02561 
02562 /* Retrieve audio/etc from channel.  Assumes sub->lock is already held. */
02563 static struct ast_frame *skinny_rtp_read(struct skinny_subchannel *sub)
02564 {
02565    struct ast_channel *ast = sub->owner;
02566    struct ast_frame *f;
02567 
02568    if (!sub->rtp) {
02569       /* We have no RTP allocated for this channel */
02570       return &ast_null_frame;
02571    }
02572 
02573    switch(ast->fdno) {
02574    case 0:
02575       f = ast_rtp_read(sub->rtp);   /* RTP Audio */
02576       break;
02577    case 1:
02578       f = ast_rtcp_read(sub->rtp);  /* RTCP Control Channel */
02579       break;
02580    case 2:
02581       f = ast_rtp_read(sub->vrtp);  /* RTP Video */
02582       break;
02583    case 3:
02584       f = ast_rtcp_read(sub->vrtp); /* RTCP Control Channel for video */
02585       break;
02586 #if 0
02587    case 5:
02588       /* Not yet supported */
02589       f = ast_udptl_read(sub->udptl);  /* UDPTL for T.38 */
02590       break;
02591 #endif
02592    default:
02593       f = &ast_null_frame;
02594    }
02595 
02596    if (ast) {
02597       /* We already hold the channel lock */
02598       if (f->frametype == AST_FRAME_VOICE) {
02599          if (f->subclass != ast->nativeformats) {
02600             ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass);
02601             ast->nativeformats = f->subclass;
02602             ast_set_read_format(ast, ast->readformat);
02603             ast_set_write_format(ast, ast->writeformat);
02604          }
02605       }
02606    }
02607    return f;
02608 }
02609 
02610 static struct ast_frame *skinny_read(struct ast_channel *ast)
02611 {
02612    struct ast_frame *fr;
02613    struct skinny_subchannel *sub = ast->tech_pvt;
02614    ast_mutex_lock(&sub->lock);
02615    fr = skinny_rtp_read(sub);
02616    ast_mutex_unlock(&sub->lock);
02617    return fr;
02618 }
02619 
02620 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame)
02621 {
02622    struct skinny_subchannel *sub = ast->tech_pvt;
02623    int res = 0;
02624    if (frame->frametype != AST_FRAME_VOICE) {
02625       if (frame->frametype == AST_FRAME_IMAGE) {
02626          return 0;
02627       } else {
02628          ast_log(LOG_WARNING, "Can't send %d type frames with skinny_write\n", frame->frametype);
02629          return 0;
02630       }
02631    } else {
02632       if (!(frame->subclass & ast->nativeformats)) {
02633          ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n",
02634             frame->subclass, ast->nativeformats, ast->readformat, ast->writeformat);
02635          return -1;
02636       }
02637    }
02638    if (sub) {
02639       ast_mutex_lock(&sub->lock);
02640       if (sub->rtp) {
02641          res = ast_rtp_write(sub->rtp, frame);
02642       }
02643       ast_mutex_unlock(&sub->lock);
02644    }
02645    return res;
02646 }
02647 
02648 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
02649 {
02650    struct skinny_subchannel *sub = newchan->tech_pvt;
02651    ast_log(LOG_NOTICE, "skinny_fixup(%s, %s)\n", oldchan->name, newchan->name);
02652    if (sub->owner != oldchan) {
02653       ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner);
02654       return -1;
02655    }
02656    sub->owner = newchan;
02657    return 0;
02658 }
02659 
02660 static int skinny_senddigit_begin(struct ast_channel *ast, char digit)
02661 {
02662    return -1; /* Start inband indications */
02663 }
02664 
02665 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration)
02666 {
02667 #if 0
02668    struct skinny_subchannel *sub = ast->tech_pvt;
02669    struct skinny_line *l = sub->parent;
02670    struct skinny_device *d = l->parent;
02671    int tmp;
02672    /* not right */
02673    sprintf(tmp, "%d", digit);
02674    transmit_tone(d->session, digit, l->instance, sub->callid);
02675 #endif
02676    return -1; /* Stop inband indications */
02677 }
02678 
02679 static char *control2str(int ind) {
02680    char *tmp;
02681 
02682    switch (ind) {
02683    case AST_CONTROL_HANGUP:
02684       return "Other end has hungup";
02685    case AST_CONTROL_RING:
02686       return "Local ring";
02687    case AST_CONTROL_RINGING:
02688       return "Remote end is ringing";
02689    case AST_CONTROL_ANSWER:
02690       return "Remote end has answered";
02691    case AST_CONTROL_BUSY:
02692       return "Remote end is busy";
02693    case AST_CONTROL_TAKEOFFHOOK:
02694       return "Make it go off hook";
02695    case AST_CONTROL_OFFHOOK:
02696       return "Line is off hook";
02697    case AST_CONTROL_CONGESTION:
02698       return "Congestion (circuits busy)";
02699    case AST_CONTROL_FLASH:
02700       return "Flash hook";
02701    case AST_CONTROL_WINK:
02702       return "Wink";
02703    case AST_CONTROL_OPTION:
02704       return "Set a low-level option";
02705    case AST_CONTROL_RADIO_KEY:
02706       return "Key Radio";
02707    case AST_CONTROL_RADIO_UNKEY:
02708       return "Un-Key Radio";
02709    case AST_CONTROL_PROGRESS:
02710       return "Remote end is making Progress";
02711    case AST_CONTROL_PROCEEDING:
02712       return "Remote end is proceeding";
02713    case AST_CONTROL_HOLD:
02714       return "Hold";
02715    case AST_CONTROL_UNHOLD:
02716       return "Unhold";
02717    case -1:
02718       return "Stop tone";
02719    default:
02720       if (!(tmp = ast_threadstorage_get(&control2str_threadbuf, CONTROL2STR_BUFSIZE)))
02721                         return "Unknown";
02722       snprintf(tmp, CONTROL2STR_BUFSIZE, "UNKNOWN-%d", ind);
02723       return tmp;
02724    }
02725 }
02726 
02727 
02728 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen)
02729 {
02730    struct skinny_subchannel *sub = ast->tech_pvt;
02731    struct skinny_line *l = sub->parent;
02732    struct skinny_device *d = l->parent;
02733    struct skinnysession *s = d->session;
02734    char exten[AST_MAX_EXTENSION] = "";
02735 
02736    if (!s) {
02737       ast_log(LOG_NOTICE, "Asked to indicate '%s' condition on channel %s, but session does not exist.\n", control2str(ind), ast->name);
02738       return -1;
02739    }
02740 
02741    ast_copy_string(exten, S_OR(ast->macroexten, ast->exten), sizeof(exten));
02742 
02743    if (skinnydebug)
02744       ast_verbose(VERBOSE_PREFIX_3 "Asked to indicate '%s' condition on channel %s\n", control2str(ind), ast->name);
02745    switch(ind) {
02746    case AST_CONTROL_RINGING:
02747       if (ast->_state != AST_STATE_UP) {
02748          if (!sub->progress) {
02749             transmit_tone(s, SKINNY_ALERT, l->instance, sub->callid);
02750             transmit_callstate(s, l->instance, SKINNY_RINGOUT, sub->callid);
02751             transmit_dialednumber(s, exten, l->instance, sub->callid);
02752             transmit_displaypromptstatus(s, "Ring Out", 0, l->instance, sub->callid);
02753             transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, exten, exten, l->instance, sub->callid, 2); /* 2 = outgoing from phone */
02754             sub->ringing = 1;
02755             break;
02756          }
02757       }
02758       return -1;
02759    case AST_CONTROL_BUSY:
02760       if (ast->_state != AST_STATE_UP) {
02761          transmit_tone(s, SKINNY_BUSYTONE, l->instance, sub->callid);
02762          transmit_callstate(s, l->instance, SKINNY_BUSY, sub->callid);
02763          sub->alreadygone = 1;
02764          ast_softhangup_nolock(ast, AST_SOFTHANGUP_DEV);
02765          break;
02766       }
02767       return -1;
02768    case AST_CONTROL_CONGESTION:
02769       if (ast->_state != AST_STATE_UP) {
02770          transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
02771          transmit_callstate(s, l->instance, SKINNY_CONGESTION, sub->callid);
02772          sub->alreadygone = 1;
02773          ast_softhangup_nolock(ast, AST_SOFTHANGUP_DEV);
02774          break;
02775       }
02776       return -1;
02777    case AST_CONTROL_PROGRESS:
02778       if ((ast->_state != AST_STATE_UP) && !sub->progress && !sub->outgoing) {
02779          transmit_tone(s, SKINNY_ALERT, l->instance, sub->callid);
02780          transmit_callstate(s, l->instance, SKINNY_PROGRESS, sub->callid);
02781          transmit_displaypromptstatus(s, "Call Progress", 0, l->instance, sub->callid);
02782          transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, exten, exten, l->instance, sub->callid, 2); /* 2 = outgoing from phone */
02783          sub->progress = 1;
02784          break;
02785       }
02786       return -1;
02787    case -1:
02788       transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
02789       break;
02790    case AST_CONTROL_HOLD:
02791       ast_moh_start(ast, data, l->mohinterpret);
02792       break;
02793    case AST_CONTROL_UNHOLD:
02794       ast_moh_stop(ast);
02795       break;
02796    case AST_CONTROL_PROCEEDING:
02797       break;
02798    case AST_CONTROL_SRCUPDATE:
02799       ast_rtp_new_source(sub->rtp);
02800       break;
02801    default:
02802       ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", ind);
02803       return -1;
02804    }
02805    return 0;
02806 }
02807 
02808 static struct ast_channel *skinny_new(struct skinny_line *l, int state)
02809 {
02810    struct ast_channel *tmp;
02811    struct skinny_subchannel *sub;
02812    struct skinny_device *d = l->parent;
02813    int fmt;
02814 
02815    tmp = ast_channel_alloc(1, state, l->cid_num, l->cid_name, l->accountcode, l->exten, l->context, l->amaflags, "Skinny/%s@%s-%d", l->name, d->name, callnums);
02816    if (!tmp) {
02817       ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
02818       return NULL;
02819    } else {
02820       sub = ast_calloc(1, sizeof(struct skinny_subchannel));
02821       if (!sub) {
02822          ast_log(LOG_WARNING, "Unable to allocate Skinny subchannel\n");
02823          return NULL;
02824       } else {
02825          ast_mutex_init(&sub->lock);
02826 
02827          sub->owner = tmp;
02828          sub->callid = callnums++;
02829          d->lastlineinstance = l->instance;
02830          d->lastcallreference = sub->callid;
02831          sub->cxmode = SKINNY_CX_INACTIVE;
02832          sub->nat = l->nat;
02833          sub->parent = l;
02834          sub->onhold = 0;
02835 
02836          sub->next = l->sub;
02837          l->sub = sub;
02838       }
02839       tmp->tech = &skinny_tech;
02840       tmp->tech_pvt = sub;
02841       tmp->nativeformats = l->capability;
02842       if (!tmp->nativeformats)
02843          tmp->nativeformats = default_capability;
02844       fmt = ast_best_codec(tmp->nativeformats);
02845       if (skinnydebug)
02846          ast_verbose("skinny_new: tmp->nativeformats=%d fmt=%d\n", tmp->nativeformats, fmt);
02847       if (sub->rtp) {
02848          tmp->fds[0] = ast_rtp_fd(sub->rtp);
02849       }
02850       if (state == AST_STATE_RING) {
02851          tmp->rings = 1;
02852       }
02853       tmp->writeformat = fmt;
02854       tmp->rawwriteformat = fmt;
02855       tmp->readformat = fmt;
02856       tmp->rawreadformat = fmt;
02857       if (!ast_strlen_zero(l->language))
02858          ast_string_field_set(tmp, language, l->language);
02859       if (!ast_strlen_zero(l->accountcode))
02860          ast_string_field_set(tmp, accountcode, l->accountcode);
02861       if (l->amaflags)
02862          tmp->amaflags = l->amaflags;
02863 
02864       ast_module_ref(ast_module_info->self);
02865       tmp->callgroup = l->callgroup;
02866       tmp->pickupgroup = l->pickupgroup;
02867       ast_string_field_set(tmp, call_forward, l->call_forward);
02868       ast_copy_string(tmp->context, l->context, sizeof(tmp->context));
02869       ast_copy_string(tmp->exten, l->exten, sizeof(tmp->exten));
02870 
02871       /* Don't use ast_set_callerid() here because it will
02872        * generate a needless NewCallerID event */
02873       tmp->cid.cid_ani = ast_strdup(l->cid_num);
02874 
02875       tmp->priority = 1;
02876       tmp->adsicpe = AST_ADSI_UNAVAILABLE;
02877 
02878       if (sub->rtp)
02879          ast_jb_configure(tmp, &global_jbconf);
02880 
02881       if (state != AST_STATE_DOWN) {
02882          if (ast_pbx_start(tmp)) {
02883             ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
02884             ast_hangup(tmp);
02885             tmp = NULL;
02886          }
02887       }
02888    }
02889    return tmp;
02890 }
02891 
02892 static int skinny_hold(struct skinny_subchannel *sub)
02893 {
02894    struct skinny_line *l = sub->parent;
02895    struct skinny_device *d = l->parent;
02896    struct skinnysession *s = d->session;
02897    struct skinny_req *req;
02898 
02899    /* Don't try to hold a channel that doesn't exist */
02900    if (!sub || !sub->owner)
02901       return 0;
02902 
02903    /* Channel needs to be put on hold */
02904    if (skinnydebug)
02905       ast_verbose("Putting on Hold(%d)\n", l->instance);
02906 
02907    ast_queue_control_data(sub->owner, AST_CONTROL_HOLD,
02908       S_OR(l->mohsuggest, NULL),
02909       !ast_strlen_zero(l->mohsuggest) ? strlen(l->mohsuggest) + 1 : 0);
02910 
02911    if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
02912       return 0;
02913 
02914    req->data.activatecallplane.lineInstance = htolel(l->instance);
02915    transmit_response(s, req);
02916 
02917    if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
02918       return 0;
02919 
02920    req->data.closereceivechannel.conferenceId = htolel(sub->callid);
02921    req->data.closereceivechannel.partyId = htolel(sub->callid);
02922    transmit_response(s, req);
02923 
02924    if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
02925       return 0;
02926 
02927    req->data.stopmedia.conferenceId = htolel(sub->callid);
02928    req->data.stopmedia.passThruPartyId = htolel(sub->callid);
02929    transmit_response(s, req);
02930 
02931    transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_BLINK);
02932    sub->onhold = 1;
02933    return 1;
02934 }
02935 
02936 static int skinny_unhold(struct skinny_subchannel *sub)
02937 {
02938    struct skinny_line *l = sub->parent;
02939    struct skinny_device *d = l->parent;
02940    struct skinnysession *s = d->session;
02941    struct skinny_req *req;
02942 
02943    /* Don't try to unhold a channel that doesn't exist */
02944    if (!sub || !sub->owner)
02945       return 0;
02946 
02947    /* Channel is on hold, so we will unhold */
02948    if (skinnydebug)
02949       ast_verbose("Taking off Hold(%d)\n", l->instance);
02950 
02951    ast_queue_control(sub->owner, AST_CONTROL_UNHOLD);
02952 
02953    if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
02954       return 0;
02955 
02956    req->data.activatecallplane.lineInstance = htolel(l->instance);
02957    transmit_response(s, req);
02958 
02959    transmit_connect(s, sub);
02960    transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
02961    sub->onhold = 0;
02962    return 1;
02963 }
02964 
02965 static int handle_keep_alive_message(struct skinny_req *req, struct skinnysession *s)
02966 {
02967    if (!(req = req_alloc(0, KEEP_ALIVE_ACK_MESSAGE)))
02968       return -1;
02969 
02970    transmit_response(s, req);
02971    do_housekeeping(s);
02972    return 1;
02973 }
02974 
02975 static int handle_register_message(struct skinny_req *req, struct skinnysession *s)
02976 {
02977    char name[16];
02978    int res;
02979 
02980    memcpy(&name, req->data.reg.name, sizeof(name));
02981 
02982    res = skinny_register(req, s);
02983    if (!res) {
02984       ast_log(LOG_ERROR, "Rejecting Device %s: Device not found\n", name);
02985       if (!(req = req_alloc(sizeof(struct register_rej_message), REGISTER_REJ_MESSAGE)))
02986          return -1;
02987 
02988       snprintf(req->data.regrej.errMsg, sizeof(req->data.regrej.errMsg), "No Authority: %s", name);
02989       transmit_response(s, req);
02990       return 0;
02991    }
02992    if (option_verbose > 2)
02993       ast_verbose(VERBOSE_PREFIX_3 "Device '%s' successfully registered\n", name);
02994 
02995    if (!(req = req_alloc(sizeof(struct register_ack_message), REGISTER_ACK_MESSAGE)))
02996       return -1;
02997 
02998    req->data.regack.res[0] = '0';
02999    req->data.regack.res[1] = '\0';
03000    req->data.regack.keepAlive = htolel(keep_alive);
03001    memcpy(req->data.regack.dateTemplate, date_format, sizeof(req->data.regack.dateTemplate));
03002    req->data.regack.res2[0] = '0';
03003    req->data.regack.res2[1] = '\0';
03004    req->data.regack.secondaryKeepAlive = htolel(keep_alive);
03005    transmit_response(s, req);
03006    if (skinnydebug)
03007       ast_verbose("Requesting capabilities\n");
03008 
03009    if (!(req = req_alloc(0, CAPABILITIES_REQ_MESSAGE)))
03010       return -1;
03011 
03012    transmit_response(s, req);
03013 
03014    return res;
03015 }
03016 
03017 static int handle_ip_port_message(struct skinny_req *req, struct skinnysession *s)
03018 {
03019    /* no response necessary */
03020    return 1;
03021 }
03022 
03023 static int handle_keypad_button_message(struct skinny_req *req, struct skinnysession *s)
03024 {
03025    struct skinny_subchannel *sub = NULL;
03026    struct skinny_line *l;
03027    struct skinny_device *d = s->device;
03028    struct ast_frame f = { 0, };
03029    char dgt;
03030    int digit;
03031    int lineInstance;
03032    int callReference;
03033 
03034    digit = letohl(req->data.keypad.button);
03035    lineInstance = letohl(req->data.keypad.lineInstance);
03036    callReference = letohl(req->data.keypad.callReference);
03037 
03038    if (digit == 14) {
03039       dgt = '*';
03040    } else if (digit == 15) {
03041       dgt = '#';
03042    } else if (digit >= 0 && digit <= 9) {
03043       dgt = '0' + digit;
03044    } else {
03045       /* digit=10-13 (A,B,C,D ?), or
03046        * digit is bad value
03047        *
03048        * probably should not end up here, but set
03049        * value for backward compatibility, and log
03050        * a warning.
03051        */
03052       dgt = '0' + digit;
03053       ast_log(LOG_WARNING, "Unsupported digit %d\n", digit);
03054    }
03055 
03056    f.subclass = dgt;
03057 
03058    f.src = "skinny";
03059 
03060    if (lineInstance && callReference)
03061       sub = find_subchannel_by_instance_reference(d, lineInstance, callReference);
03062    else
03063       sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03064 
03065    if (!sub)
03066       return 0;
03067 
03068    l = sub->parent;
03069    if (sub->owner) {
03070       if (sub->owner->_state == 0) {
03071          f.frametype = AST_FRAME_DTMF_BEGIN;
03072          ast_queue_frame(sub->owner, &f);
03073       }
03074       /* XXX MUST queue this frame to all lines in threeway call if threeway call is active */
03075       f.frametype = AST_FRAME_DTMF_END;
03076       ast_queue_frame(sub->owner, &f);
03077       /* XXX This seriously needs to be fixed */
03078       if (sub->next && sub->next->owner) {
03079          if (sub->owner->_state == 0) {
03080             f.frametype = AST_FRAME_DTMF_BEGIN;
03081             ast_queue_frame(sub->next->owner, &f);
03082          }
03083          f.frametype = AST_FRAME_DTMF_END;
03084          ast_queue_frame(sub->next->owner, &f);
03085       }
03086    } else {
03087       if (skinnydebug)
03088          ast_verbose("No owner: %s\n", l->name);
03089    }
03090    return 1;
03091 }
03092 
03093 static int handle_stimulus_message(struct skinny_req *req, struct skinnysession *s)
03094 {
03095    struct skinny_device *d = s->device;
03096    struct skinny_line *l;
03097    struct skinny_subchannel *sub;
03098    /*struct skinny_speeddial *sd;*/
03099    struct ast_channel *c;
03100    pthread_t t;
03101    int event;
03102    int instance;
03103    int callreference;
03104    /*int res = 0;*/
03105 
03106    event = letohl(req->data.stimulus.stimulus);
03107    instance = letohl(req->data.stimulus.stimulusInstance);
03108    callreference = letohl(req->data.stimulus.callreference); 
03109    if (skinnydebug)
03110       ast_verbose("callreference in handle_stimulus_message is '%d'\n", callreference);
03111 
03112    /*  Note that this call should be using the passed in instance and callreference */
03113    sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03114 
03115    if (!sub) {
03116       l = find_line_by_instance(d, d->lastlineinstance);
03117       if (!l) {
03118          return 0;
03119       }
03120    } else {
03121       l = sub->parent;
03122    }
03123 
03124    switch(event) {
03125    case STIMULUS_REDIAL:
03126       if (skinnydebug)
03127          ast_verbose("Received Stimulus: Redial(%d/%d)\n", instance, callreference);
03128 
03129 #if 0
03130       if (ast_strlen_zero(l->lastnumberdialed)) {
03131          ast_log(LOG_WARNING, "Attempted redial, but no previously dialed number found.\n");
03132          l->hookstate = SKINNY_ONHOOK;
03133          transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
03134          transmit_callstate(s, l->instance, SKINNY_ONHOOK, instance);
03135          break;
03136       }
03137 
03138       c = skinny_new(l, AST_STATE_DOWN);
03139       if(!c) {
03140          ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03141       } else {
03142          sub = c->tech_pvt;
03143          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03144          if (skinnydebug)
03145             ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03146          transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03147          transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03148          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGOUT);
03149 
03150          if (!ast_ignore_pattern(c->context, l->lastnumberdialed)) {
03151             transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03152          }
03153          ast_copy_string(c->exten, l->lastnumberdialed, sizeof(c->exten));
03154          if (ast_pthread_create(&t, NULL, skinny_newcall, c)) {
03155             ast_log(LOG_WARNING, "Unable to create new call thread: %s\n", strerror(errno));
03156             ast_hangup(c);
03157          }
03158       }
03159 #endif
03160       break;
03161    case STIMULUS_SPEEDDIAL:
03162       if (skinnydebug)
03163          ast_verbose("Received Stimulus: SpeedDial(%d/%d)\n", instance, callreference);
03164 
03165 #if 0
03166       if (!(sd = find_speeddial_by_instance(d, instance))) {
03167          return 0;
03168       }
03169 
03170       if (ast_strlen_zero(l->lastnumberdialed)) {
03171          ast_log(LOG_WARNING, "Attempted redial, but no previously dialed number found.\n");
03172          l->hookstate = SKINNY_ONHOOK;
03173          transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
03174          transmit_callstate(s, l->instance, SKINNY_ONHOOK, instance);
03175          break;
03176       }
03177 
03178       c = skinny_new(l, AST_STATE_DOWN);
03179       if(c) {
03180          sub = c->tech_pvt;
03181          l = sub->parent;
03182          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03183          if (skinnydebug)
03184             ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03185          transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03186          transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03187          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGOUT);
03188 
03189          if (!ast_ignore_pattern(c->context, sd->exten)) {
03190             transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03191          }
03192          if (ast_exists_extension(c, c->context, sd->exten, 1, l->cid_num)) {
03193             if (!ast_matchmore_extension(c, c->context, sd->exten, 1, l->cid_num)) {
03194                ast_copy_string(c->exten, sd->exten, sizeof(c->exten));
03195                ast_copy_string(l->lastnumberdialed, sd->exten, sizeof(l->lastnumberdialed));
03196                skinny_newcall(c);
03197                break;
03198             }
03199          }
03200       } else {
03201          ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03202       }
03203 #endif
03204       break;
03205    case STIMULUS_HOLD:
03206       if (skinnydebug)
03207          ast_verbose("Received Stimulus: Hold(%d/%d)\n", instance, callreference);
03208 
03209       if (!sub)
03210          break;
03211 
03212       if (sub->onhold) {
03213          skinny_unhold(sub);
03214       } else {
03215          skinny_hold(sub);
03216       }
03217       break;
03218    case STIMULUS_TRANSFER:
03219       if (skinnydebug)
03220          ast_verbose("Received Stimulus: Transfer(%d/%d)\n", instance, callreference);
03221       /* XXX figure out how to transfer */
03222       break;
03223    case STIMULUS_CONFERENCE:
03224       if (skinnydebug)
03225          ast_verbose("Received Stimulus: Conference(%d/%d)\n", instance, callreference);
03226       /* XXX determine the best way to pull off a conference.  Meetme? */
03227       break;
03228    case STIMULUS_VOICEMAIL:
03229       if (skinnydebug)
03230          ast_verbose("Received Stimulus: Voicemail(%d/%d)\n", instance, callreference);
03231       /* XXX Find and dial voicemail extension */
03232       break;
03233    case STIMULUS_CALLPARK:
03234       if (skinnydebug)
03235          ast_verbose("Received Stimulus: Park Call(%d/%d)\n", instance, callreference);
03236       /* XXX Park the call */
03237       break;
03238    case STIMULUS_FORWARDALL:
03239       if (skinnydebug)
03240          ast_verbose("Received Stimulus: Forward All(%d/%d)\n", instance, callreference);
03241       /* Why is DND under FORWARDALL? */
03242       /* Because it's the same thing. */
03243 
03244       /* Do not disturb */
03245       if (l->dnd != 0){
03246          if (option_verbose > 2)
03247             ast_verbose(VERBOSE_PREFIX_3 "Disabling DND on %s@%s\n", l->name, d->name);
03248          l->dnd = 0;
03249          transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_ON);
03250          transmit_displaynotify(s, "DnD disabled", 10);
03251       } else {
03252          if (option_verbose > 2)
03253             ast_verbose(VERBOSE_PREFIX_3 "Enabling DND on %s@%s\n", l->name, d->name);
03254          l->dnd = 1;
03255          transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_OFF);
03256          transmit_displaynotify(s, "DnD enabled", 10);
03257       }
03258       break;
03259    case STIMULUS_FORWARDBUSY:
03260       if (skinnydebug)
03261          ast_verbose("Received Stimulus: Forward Busy (%d/%d)\n", instance, callreference);
03262       break;
03263    case STIMULUS_FORWARDNOANSWER:
03264       if (skinnydebug)
03265          ast_verbose("Received Stimulus: Forward No Answer (%d/%d)\n", instance, callreference);
03266       break;
03267    case STIMULUS_DISPLAY:
03268       /* Not sure what this is */
03269       if (skinnydebug)
03270          ast_verbose("Received Stimulus: Display(%d/%d)\n", instance, callreference);
03271       break;
03272    case STIMULUS_LINE:
03273       if (skinnydebug)
03274          ast_verbose("Received Stimulus: Line(%d/%d)\n", instance, callreference);
03275 
03276       l = find_line_by_instance(s->device, instance);
03277 
03278       if (!l) {
03279          return 0;
03280       }
03281 
03282       /* turn the speaker on */
03283       transmit_speaker_mode(s, SKINNY_SPEAKERON);
03284       transmit_ringer_mode(s, SKINNY_RING_OFF);
03285       transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
03286 
03287       l->hookstate = SKINNY_OFFHOOK;
03288 
03289       if (sub && sub->outgoing) {
03290          /* We're answering a ringing call */
03291          ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
03292          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03293          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03294          transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
03295          transmit_displaypromptstatus(s, "Connected", 0, l->instance, sub->callid);
03296          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
03297          start_rtp(sub);
03298          ast_setstate(sub->owner, AST_STATE_UP);
03299       } else {
03300          if (sub && sub->owner) {
03301             ast_log(LOG_DEBUG, "Current subchannel [%s] already has owner\n", sub->owner->name);
03302          } else {
03303             c = skinny_new(l, AST_STATE_DOWN);
03304             if(c) {
03305                sub = c->tech_pvt;
03306                transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03307                if (skinnydebug)
03308                   ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03309                transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03310                transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03311                transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
03312 
03313                /* start the switch thread */
03314                if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
03315                   ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
03316                   ast_hangup(c);
03317                }
03318             } else {
03319                ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03320             }
03321          }
03322       }
03323       break;
03324    default:
03325       if (skinnydebug)
03326          ast_verbose("RECEIVED UNKNOWN STIMULUS:  %d(%d/%d)\n", event, instance, callreference);
03327       break;
03328    }
03329    return 1;
03330 }
03331 
03332 static int handle_offhook_message(struct skinny_req *req, struct skinnysession *s)
03333 {
03334    struct skinny_device *d = s->device;
03335    struct skinny_line *l;
03336    struct skinny_subchannel *sub;
03337    struct ast_channel *c;
03338    pthread_t t;
03339    int unknown1;
03340    int unknown2;
03341 
03342    unknown1 = letohl(req->data.offhook.unknown1);
03343    unknown2 = letohl(req->data.offhook.unknown2);
03344 
03345    sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03346 
03347    if (!sub) {
03348       l = find_line_by_instance(d, d->lastlineinstance);
03349       if (!l) {
03350          return 0;
03351       }
03352    } else {
03353       l = sub->parent;
03354    }
03355 
03356    transmit_ringer_mode(s, SKINNY_RING_OFF);
03357    l->hookstate = SKINNY_OFFHOOK;
03358 
03359    if (sub && sub->onhold) {
03360       return 1;
03361    }
03362 
03363    transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
03364 
03365    if (sub && sub->outgoing) {
03366       /* We're answering a ringing call */
03367       ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
03368       transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03369       transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03370       transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
03371       transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
03372       start_rtp(sub);
03373       ast_setstate(sub->owner, AST_STATE_UP);
03374    } else {
03375       if (sub && sub->owner) {
03376          ast_log(LOG_DEBUG, "Current sub [%s] already has owner\n", sub->owner->name);
03377       } else {
03378          c = skinny_new(l, AST_STATE_DOWN);
03379          if(c) {
03380             sub = c->tech_pvt;
03381             transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03382             if (skinnydebug)
03383                ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03384             transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03385             transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03386             transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
03387 
03388             /* start the switch thread */
03389             if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
03390                ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
03391                ast_hangup(c);
03392             }
03393          } else {
03394             ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03395          }
03396       }
03397    }
03398    return 1;
03399 }
03400 
03401 static int handle_onhook_message(struct skinny_req *req, struct skinnysession *s)
03402 {
03403    struct skinny_device *d = s->device;
03404    struct skinny_line *l;
03405    struct skinny_subchannel *sub;
03406    int unknown1;
03407    int unknown2;
03408 
03409    unknown1 = letohl(req->data.onhook.unknown1);
03410    unknown2 = letohl(req->data.onhook.unknown2);
03411 
03412    sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03413 
03414    if (!sub) {
03415       return 0;
03416    }
03417    l = sub->parent;
03418 
03419    if (l->hookstate == SKINNY_ONHOOK) {
03420       /* Something else already put us back on hook */
03421       return 0;
03422    }
03423    l->hookstate = SKINNY_ONHOOK;
03424 
03425    if (sub->onhold) {
03426       return 0;
03427    }
03428 
03429    sub->cxmode = SKINNY_CX_RECVONLY;
03430    transmit_callstate(s, l->instance, l->hookstate, sub->callid);
03431    if (skinnydebug)
03432       ast_verbose("Skinny %s@%s went on hook\n", l->name, d->name);
03433    if (l->transfer && (sub->owner && sub->next && sub->next->owner) && ((!sub->outgoing) || (sub->next && !sub->next->outgoing))) {
03434       /* We're allowed to transfer, we have two active calls and
03435          we made at least one of the calls.  Let's try and transfer */
03436 
03437 #if 0
03438       if ((res = attempt_transfer(p)) < 0) {
03439          if (sub->next && sub->next->owner) {
03440             sub->next->alreadygone = 1;
03441             ast_queue_hangup(sub->next->owner,1);
03442          }
03443       } else if (res) {
03444          ast_log(LOG_WARNING, "Transfer attempt failed\n");
03445          return 0;
03446       }
03447 #endif
03448    } else {
03449       /* Hangup the current call */
03450       /* If there is another active call, skinny_hangup will ring the phone with the other call */
03451       if (sub->owner) {
03452          sub->alreadygone = 1;
03453          ast_queue_hangup(sub->owner);
03454       } else {
03455          ast_log(LOG_WARNING, "Skinny(%s@%s-%d) channel already destroyed\n",
03456             l->name, d->name, sub->callid);
03457       }
03458    }
03459    if ((l->hookstate == SKINNY_ONHOOK) && (sub->next && !sub->next->rtp)) {
03460       do_housekeeping(s);
03461    }
03462    return 1;
03463 }
03464 
03465 static int handle_capabilities_res_message(struct skinny_req *req, struct skinnysession *s)
03466 {
03467    struct skinny_device *d = s->device;
03468    struct skinny_line *l;
03469    uint32_t count = 0;
03470    int codecs = 0;
03471    int i;
03472 
03473    count = letohl(req->data.caps.count);
03474    if (count > SKINNY_MAX_CAPABILITIES) {
03475       count = SKINNY_MAX_CAPABILITIES;
03476       ast_log(LOG_WARNING, "Received more capabilities than we can handle (%d).  Ignoring the rest.\n", SKINNY_MAX_CAPABILITIES);
03477    }
03478 
03479    for (i = 0; i < count; i++) {
03480       int acodec = 0;
03481       int scodec = 0;
03482       scodec = letohl(req->data.caps.caps[i].codec);
03483       acodec = codec_skinny2ast(scodec);
03484       if (skinnydebug)
03485          ast_verbose("Adding codec capability '%d (%d)'\n", acodec, scodec);
03486       codecs |= acodec;
03487    }
03488 
03489    d->capability &= codecs;
03490    ast_verbose("Device capability set to '%d'\n", d->capability);
03491    for (l = d->lines; l; l = l->next) {
03492       ast_mutex_lock(&l->lock);
03493       l->capability = d->capability;
03494       ast_mutex_unlock(&l->lock);
03495    }
03496 
03497    return 1;
03498 }
03499 
03500 static int handle_speed_dial_stat_req_message(struct skinny_req *req, struct skinnysession *s)
03501 {
03502    struct skinny_device *d = s->device;
03503    struct skinny_speeddial *sd;
03504    int instance;
03505 
03506    instance = letohl(req->data.speeddialreq.speedDialNumber);
03507 
03508    sd = find_speeddial_by_instance(d, instance);
03509 
03510    if (!sd) {
03511       return 0;
03512    }
03513 
03514    if (!(req = req_alloc(sizeof(struct speed_dial_stat_res_message), SPEED_DIAL_STAT_RES_MESSAGE)))
03515       return -1;
03516 
03517    req->data.speeddialreq.speedDialNumber = htolel(instance);
03518    snprintf(req->data.speeddial.speedDialDirNumber, sizeof(req->data.speeddial.speedDialDirNumber), sd->exten);
03519    snprintf(req->data.speeddial.speedDialDisplayName, sizeof(req->data.speeddial.speedDialDisplayName), sd->label);
03520 
03521    transmit_response(s, req);
03522    return 1;
03523 }
03524 
03525 static int handle_line_state_req_message(struct skinny_req *req, struct skinnysession *s)
03526 {
03527    struct skinny_device *d = s->device;
03528    struct skinny_line *l;
03529    int instance;
03530 
03531    instance = letohl(req->data.line.lineNumber);
03532 
03533    ast_mutex_lock(&devicelock);
03534 
03535    l = find_line_by_instance(d, instance);
03536 
03537    if (!l) {
03538       return 0;
03539    }
03540 
03541    ast_mutex_unlock(&devicelock);
03542 
03543    if (!(req = req_alloc(sizeof(struct line_stat_res_message), LINE_STAT_RES_MESSAGE)))
03544       return -1;
03545 
03546    req->data.linestat.lineNumber = letohl(instance);
03547    memcpy(req->data.linestat.lineDirNumber, l->name,
03548          sizeof(req->data.linestat.lineDirNumber));
03549    memcpy(req->data.linestat.lineDisplayName, l->label,
03550          sizeof(req->data.linestat.lineDisplayName));
03551    transmit_response(s,req);
03552    return 1;
03553 }
03554 
03555 static int handle_time_date_req_message(struct skinny_req *req, struct skinnysession *s)
03556 {
03557    time_t timer;
03558    struct tm *cmtime;
03559 
03560    if (!(req = req_alloc(sizeof(struct definetimedate_message), DEFINETIMEDATE_MESSAGE)))
03561       return -1;
03562 
03563    timer = time(NULL);
03564    cmtime = localtime(&timer);
03565    req->data.definetimedate.year = htolel(cmtime->tm_year+1900);
03566    req->data.definetimedate.month = htolel(cmtime->tm_mon+1);
03567    req->data.definetimedate.dayofweek = htolel(cmtime->tm_wday);
03568    req->data.definetimedate.day = htolel(cmtime->tm_mday);
03569    req->data.definetimedate.hour = htolel(cmtime->tm_hour);
03570    req->data.definetimedate.minute = htolel(cmtime->tm_min);
03571    req->data.definetimedate.seconds = htolel(cmtime->tm_sec);
03572    req->data.definetimedate.milliseconds = htolel(0);
03573    req->data.definetimedate.timestamp = htolel(timer);
03574    transmit_response(s, req);
03575    return 1;
03576 }
03577 
03578 static int handle_button_template_req_message(struct skinny_req *req, struct skinnysession *s)
03579 {
03580    struct skinny_device *d = s->device;
03581    struct skinny_line *l;
03582    int i;
03583 
03584    struct skinny_speeddial *sd;
03585    struct button_definition_template btn[42];
03586    int lineInstance = 1;
03587    int speeddialInstance = 1;
03588    int buttonCount = 0;
03589 
03590    if (!(req = req_alloc(sizeof(struct button_template_res_message), BUTTON_TEMPLATE_RES_MESSAGE)))
03591       return -1;
03592 
03593    memset(&btn, 0, sizeof(btn));
03594 
03595    get_button_template(s, btn);
03596 
03597    for (i=0; i<42; i++) {
03598       int btnSet = 0;
03599       switch (btn[i].buttonDefinition) {
03600          case BT_CUST_LINESPEEDDIAL:
03601             /* assume failure */
03602             req->data.buttontemplate.definition[i].buttonDefinition = BT_NONE;
03603             req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
03604 
03605             for (l = d->lines; l; l = l->next) {
03606                if (l->instance == lineInstance) {
03607                   ast_verbose("Adding button: %d, %d\n", BT_LINE, lineInstance);
03608                   req->data.buttontemplate.definition[i].buttonDefinition = BT_LINE;
03609                   req->data.buttontemplate.definition[i].instanceNumber = htolel(lineInstance);
03610                   lineInstance++;
03611                   buttonCount++;
03612                   btnSet = 1;
03613                   break;
03614                }
03615             }
03616 
03617             if (!btnSet) {
03618                for (sd = d->speeddials; sd; sd = sd->next) {
03619                   if (sd->instance == speeddialInstance) {
03620                      ast_verbose("Adding button: %d, %d\n", BT_SPEEDDIAL, speeddialInstance);
03621                      req->data.buttontemplate.definition[i].buttonDefinition = BT_SPEEDDIAL;
03622                      req->data.buttontemplate.definition[i].instanceNumber = htolel(speeddialInstance);
03623                      speeddialInstance++;
03624                      buttonCount++;
03625                      btnSet = 1;
03626                      break;
03627                   }
03628                }
03629             }
03630             break;
03631          case BT_LINE:
03632             req->data.buttontemplate.definition[i].buttonDefinition = htolel(BT_NONE);
03633             req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
03634 
03635             for (l = d->lines; l; l = l->next) {
03636                if (l->instance == lineInstance) {
03637                   ast_verbose("Adding button: %d, %d\n", BT_LINE, lineInstance);
03638                   req->data.buttontemplate.definition[i].buttonDefinition = BT_LINE;
03639                   req->data.buttontemplate.definition[i].instanceNumber = htolel(lineInstance);
03640                   lineInstance++;
03641                   buttonCount++;
03642                   btnSet = 1;
03643                   break;
03644                }
03645             }
03646             break;
03647          case BT_SPEEDDIAL:
03648             req->data.buttontemplate.definition[i].buttonDefinition = BT_NONE;
03649             req->data.buttontemplate.definition[i].instanceNumber = 0;
03650 
03651             for (sd = d->speeddials; sd; sd = sd->next) {
03652                if (sd->instance == speeddialInstance) {
03653                   ast_verbose("Adding button: %d, %d\n", BT_SPEEDDIAL, speeddialInstance);
03654                   req->data.buttontemplate.definition[i].buttonDefinition = BT_SPEEDDIAL;
03655                   req->data.buttontemplate.definition[i].instanceNumber = htolel(speeddialInstance);
03656                   speeddialInstance++;
03657                   buttonCount++;
03658                   btnSet = 1;
03659                   break;
03660                }
03661             }
03662             break;
03663          case BT_CUST_HINT:
03664             break;
03665          case BT_NONE:
03666             break;
03667          default:
03668             ast_verbose("Adding button: %d, %d\n", btn[i].buttonDefinition, 0);
03669             req->data.buttontemplate.definition[i].buttonDefinition = htolel(btn[i].buttonDefinition);
03670             req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
03671             buttonCount++;
03672             btnSet = 1;
03673             break;
03674       }
03675    }
03676 
03677    req->data.buttontemplate.buttonOffset = htolel(0);
03678    req->data.buttontemplate.buttonCount = htolel(buttonCount);
03679    req->data.buttontemplate.totalButtonCount = htolel(buttonCount);
03680 
03681    if (skinnydebug)
03682       ast_verbose("Sending %d template to %s\n",
03683                d->type,
03684                d->name);
03685    transmit_response(s, req);
03686    return 1;
03687 }
03688 
03689 static int handle_version_req_message(struct skinny_req *req, struct skinnysession *s)
03690 {
03691    struct skinny_device *d = s->device;
03692    if (!(req = req_alloc(sizeof(struct version_res_message), VERSION_RES_MESSAGE)))
03693       return -1;
03694 
03695    snprintf(req->data.version.version, sizeof(req->data.version.version), d->version_id);
03696    transmit_response(s, req);
03697    return 1;
03698 }
03699 
03700 static int handle_server_request_message(struct skinny_req *req, struct skinnysession *s)
03701 {
03702    struct skinny_device *d = s->device;
03703    if (!(req = req_alloc(sizeof(struct server_res_message), SERVER_RES_MESSAGE)))
03704       return -1;
03705 
03706    memcpy(req->data.serverres.server[0].serverName, ourhost,
03707          sizeof(req->data.serverres.server[0].serverName));
03708    req->data.serverres.serverListenPort[0] = htolel(ourport);
03709    req->data.serverres.serverIpAddr[0] = htolel(d->ourip.s_addr);
03710    transmit_response(s, req);
03711    return 1;
03712 }
03713 
03714 static int handle_alarm_message(struct skinny_req *req, struct skinnysession *s)
03715 {
03716    /* no response necessary */
03717    if (skinnydebug)
03718       ast_verbose("Received Alarm Message: %s\n", req->data.alarm.displayMessage);
03719 
03720    return 1;
03721 }
03722 
03723 static int handle_open_receive_channel_ack_message(struct skinny_req *req, struct skinnysession *s)
03724 {
03725    struct skinny_device *d = s->device;
03726    struct skinny_line *l;
03727    struct skinny_subchannel *sub;
03728    struct ast_format_list fmt;
03729    struct sockaddr_in sin;
03730    struct sockaddr_in us;
03731    uint32_t addr;
03732    int port;
03733    int status;
03734    int passthruid;
03735 
03736    status = letohl(req->data.openreceivechannelack.status);
03737    if (status) {
03738       ast_log(LOG_ERROR, "Open Receive Channel Failure\n");
03739       return 0;
03740    }
03741    addr = letohl(req->data.openreceivechannelack.ipAddr);
03742    port = letohl(req->data.openreceivechannelack.port);
03743    passthruid = letohl(req->data.openreceivechannelack.passThruId);
03744 
03745    sin.sin_family = AF_INET;
03746    sin.sin_addr.s_addr = addr;
03747    sin.sin_port = htons(port);
03748 
03749    sub = find_subchannel_by_reference(d, passthruid);
03750 
03751    if (!sub)
03752       return 0;
03753 
03754    l = sub->parent;
03755 
03756    if (sub->rtp) {
03757       ast_rtp_set_peer(sub->rtp, &sin);
03758       ast_rtp_get_us(sub->rtp, &us);
03759    } else {
03760       ast_log(LOG_ERROR, "No RTP structure, this is very bad\n");
03761       return 0;
03762    }
03763 
03764    if (skinnydebug) {
03765       ast_verbose("ipaddr = %s:%d\n", ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port));
03766       ast_verbose("ourip = %s:%d\n", ast_inet_ntoa(d->ourip), ntohs(us.sin_port));
03767    }
03768 
03769    if (!(req = req_alloc(sizeof(struct start_media_transmission_message), START_MEDIA_TRANSMISSION_MESSAGE)))
03770       return -1;
03771 
03772    fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
03773 
03774    if (skinnydebug)
03775       ast_verbose("Setting payloadType to '%d' (%d ms)\n", fmt.bits, fmt.cur_ms);
03776 
03777    req->data.startmedia.conferenceId = htolel(sub->callid);
03778    req->data.startmedia.passThruPartyId = htolel(sub->callid);
03779    req->data.startmedia.remoteIp = htolel(d->ourip.s_addr);
03780    req->data.startmedia.remotePort = htolel(ntohs(us.sin_port));
03781    req->data.startmedia.packetSize = htolel(fmt.cur_ms);
03782    req->data.startmedia.payloadType = htolel(codec_ast2skinny(fmt.bits));
03783    req->data.startmedia.qualifier.precedence = htolel(127);
03784    req->data.startmedia.qualifier.vad = htolel(0);
03785    req->data.startmedia.qualifier.packets = htolel(0);
03786    req->data.startmedia.qualifier.bitRate = htolel(0);
03787    transmit_response(s, req);
03788 
03789    return 1;
03790 }
03791 
03792 static int handle_enbloc_call_message(struct skinny_req *req, struct skinnysession *s)
03793 {
03794    struct skinny_device *d = s->device;
03795    struct skinny_line *l;
03796    struct skinny_subchannel *sub = NULL;
03797    struct ast_channel *c;
03798    pthread_t t;
03799 
03800    if (skinnydebug)
03801       ast_verbose("Received Enbloc Call: %s\n", req->data.enbloccallmessage.calledParty);
03802 
03803    sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
03804 
03805    if (!sub) {
03806       l = find_line_by_instance(d, d->lastlineinstance);
03807       if (!l) {
03808          return 0;
03809       }
03810    } else {
03811       l = sub->parent;
03812    }
03813 
03814    c = skinny_new(l, AST_STATE_DOWN);
03815 
03816    if(!c) {
03817       ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03818    } else {
03819       l->hookstate = SKINNY_OFFHOOK;
03820 
03821       sub = c->tech_pvt;
03822       transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03823       if (skinnydebug)
03824          ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03825       transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03826       transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03827 
03828       if (!ast_ignore_pattern(c->context, req->data.enbloccallmessage.calledParty)) {
03829          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03830       }
03831       ast_copy_string(c->exten, req->data.enbloccallmessage.calledParty, sizeof(c->exten));
03832       if (ast_pthread_create(&t, NULL, skinny_newcall, c)) {
03833          ast_log(LOG_WARNING, "Unable to create new call thread: %s\n", strerror(errno));
03834          ast_hangup(c);
03835       }
03836    }
03837    
03838    return 1;
03839 }
03840 
03841 
03842 static int handle_soft_key_set_req_message(struct skinny_req *req, struct skinnysession *s)
03843 {
03844    int i;
03845    int x;
03846    int y;
03847    const struct soft_key_definitions *softkeymode = soft_key_default_definitions;
03848 
03849    if (!(req = req_alloc(sizeof(struct soft_key_set_res_message), SOFT_KEY_SET_RES_MESSAGE)))
03850       return -1;
03851 
03852    req->data.softkeysets.softKeySetOffset = htolel(0);
03853    req->data.softkeysets.softKeySetCount = htolel(11);
03854    req->data.softkeysets.totalSoftKeySetCount = htolel(11);
03855    for (x = 0; x < sizeof(soft_key_default_definitions) / sizeof(struct soft_key_definitions); x++) {
03856       const uint8_t *defaults = softkeymode->defaults;
03857       /* XXX I wanted to get the size of the array dynamically, but that wasn't wanting to work.
03858          This will have to do for now. */
03859       for (y = 0; y < softkeymode->count; y++) {
03860          for (i = 0; i < (sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition)); i++) {
03861             if (defaults[y] == i+1) {
03862                req->data.softkeysets.softKeySetDefinition[softkeymode->mode].softKeyTemplateIndex[y] = htolel(i+1);
03863                req->data.softkeysets.softKeySetDefinition[softkeymode->mode].softKeyInfoIndex[y] = htolel(i+301);
03864             }
03865          }
03866       }
03867       softkeymode++;
03868    }
03869    transmit_response(s,req);
03870    transmit_selectsoftkeys(s, 0, 0, KEYDEF_ONHOOK);
03871    return 1;
03872 }
03873 
03874 static int handle_soft_key_event_message(struct skinny_req *req, struct skinnysession *s)
03875 {
03876    struct skinny_device *d = s->device;
03877    struct skinny_line *l;
03878    struct skinny_subchannel *sub = NULL;
03879    struct ast_channel *c;
03880    pthread_t t;
03881    int event;
03882    int instance;
03883    int callreference;
03884 
03885    event = letohl(req->data.softkeyeventmessage.softKeyEvent);
03886    instance = letohl(req->data.softkeyeventmessage.instance);
03887    callreference = letohl(req->data.softkeyeventmessage.callreference);
03888 
03889    if (instance) {
03890       l = find_line_by_instance(d, instance);
03891       if (callreference) {
03892          sub = find_subchannel_by_instance_reference(d, instance, callreference);
03893       } else {
03894          sub = find_subchannel_by_instance_reference(d, instance, d->lastcallreference);
03895       }
03896    } else {
03897       l = find_line_by_instance(d, d->lastlineinstance);
03898    }
03899 
03900    if (!l) {
03901       if (skinnydebug)
03902          ast_verbose("Received Softkey Event: %d(%d/%d)\n", event, instance, callreference);
03903       return 0;
03904    }
03905 
03906    switch(event) {
03907    case SOFTKEY_NONE:
03908       if (skinnydebug)
03909          ast_verbose("Received Softkey Event: None(%d/%d)\n", instance, callreference);
03910       break;
03911    case SOFTKEY_REDIAL:
03912       if (skinnydebug)
03913          ast_verbose("Received Softkey Event: Redial(%d/%d)\n", instance, callreference);
03914 
03915 #if 0
03916       if (!sub || !sub->owner) {
03917          c = skinny_new(l, AST_STATE_DOWN);
03918       } else {
03919          c = sub->owner;
03920       }
03921 
03922       if(!c) {
03923          ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03924       } else {
03925          sub = c->tech_pvt;
03926          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03927          if (skinnydebug)
03928             ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03929          transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03930          transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03931          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGOUT);
03932 
03933          if (!ast_ignore_pattern(c->context, l->lastnumberdialed)) {
03934             transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
03935          }
03936          ast_copy_string(c->exten, l->lastnumberdialed, sizeof(c->exten));
03937          if (ast_pthread_create(&t, NULL, skinny_newcall, c)) {
03938             ast_log(LOG_WARNING, "Unable to create new call thread: %s\n", strerror(errno));
03939             ast_hangup(c);
03940          }
03941       }
03942 #endif
03943       break;
03944    case SOFTKEY_NEWCALL:  /* Actually the DIAL softkey */
03945       if (skinnydebug)
03946          ast_verbose("Received Softkey Event: New Call(%d/%d)\n", instance, callreference);
03947 
03948       if (!sub || !sub->owner) {
03949          c = skinny_new(l, AST_STATE_DOWN);
03950       } else {
03951          c = sub->owner;
03952       }
03953 
03954       if (!c) {
03955          ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
03956       } else {
03957          sub = c->tech_pvt;
03958          if (l->hookstate == SKINNY_ONHOOK) {
03959             l->hookstate = SKINNY_OFFHOOK;
03960             transmit_speaker_mode(s, SKINNY_SPEAKERON);
03961             transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
03962          }
03963 
03964          if (skinnydebug)
03965             ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
03966          transmit_displaymessage(s, NULL, l->instance, sub->callid); /* clear display */
03967          transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
03968          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
03969 
03970          /* start the switch thread */
03971          if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
03972             ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
03973             ast_hangup(c);
03974          }
03975       }
03976       break;
03977    case SOFTKEY_HOLD:
03978       if (skinnydebug)
03979          ast_verbose("Received Softkey Event: Hold(%d/%d)\n", instance, callreference);
03980 
03981       if (sub) {
03982          if (sub->onhold) {
03983             skinny_unhold(sub);
03984          } else {
03985             skinny_hold(sub);
03986          }
03987       }
03988             
03989       break;
03990    case SOFTKEY_TRNSFER:
03991       if (skinnydebug)
03992          ast_verbose("Received Softkey Event: Transfer(%d/%d)\n", instance, callreference);
03993       /* XXX figure out how to transfer */
03994       break;
03995    case SOFTKEY_CFWDALL:
03996       if (skinnydebug)
03997          ast_verbose("Received Softkey Event: Forward All(%d/%d)\n", instance, callreference);
03998 
03999       /* Do not disturb */
04000       if (l->dnd != 0){
04001          if (option_verbose > 2)
04002             ast_verbose(VERBOSE_PREFIX_3 "Disabling DND on %s@%s\n", l->name, d->name);
04003          l->dnd = 0;
04004          transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_ON);
04005          transmit_displaynotify(s, "DnD disabled", 10);
04006       } else {
04007          if (option_verbose > 2)
04008             ast_verbose(VERBOSE_PREFIX_3 "Enabling DND on %s@%s\n", l->name, d->name);
04009          l->dnd = 1;
04010          transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_OFF);
04011          transmit_displaynotify(s, "DnD enabled", 10);
04012       }
04013       break;
04014    case SOFTKEY_CFWDBUSY:
04015       if (skinnydebug)
04016          ast_verbose("Received Softkey Event: Forward Busy (%d/%d)\n", instance, callreference);
04017       break;
04018    case SOFTKEY_CFWDNOANSWER:
04019       if (skinnydebug)
04020          ast_verbose("Received Softkey Event: Forward No Answer (%d/%d)\n", instance, callreference);
04021       break;
04022    case SOFTKEY_BKSPC:
04023       if (skinnydebug)
04024          ast_verbose("Received Softkey Event: Backspace(%d/%d)\n", instance, callreference);
04025       break;
04026    case SOFTKEY_ENDCALL:
04027       if (skinnydebug)
04028          ast_verbose("Received Softkey Event: End Call(%d/%d)\n", instance, callreference);
04029 
04030       if (l->hookstate == SKINNY_ONHOOK) {
04031          /* Something else already put us back on hook */
04032          break;
04033       }
04034       if (sub) {
04035          sub->cxmode = SKINNY_CX_RECVONLY;
04036          l->hookstate = SKINNY_ONHOOK;
04037          transmit_callstate(s, l->instance, l->hookstate, sub->callid);
04038          if (skinnydebug)
04039             ast_verbose("Skinny %s@%s went on hook\n", l->name, d->name);
04040          if (l->transfer && (sub->owner && sub->next && sub->next->owner) && ((!sub->outgoing) || (sub->next && !sub->next->outgoing))) {
04041             /* We're allowed to transfer, we have two active calls and
04042                we made at least one of the calls.  Let's try and transfer */
04043 
04044 #if 0
04045             if ((res = attempt_transfer(p)) < 0) {
04046                if (sub->next && sub->next->owner) {
04047                   sub->next->alreadygone = 1;
04048                   ast_queue_hangup(sub->next->owner, 1);
04049                }
04050             } else if (res) {
04051                ast_log(LOG_WARNING, "Transfer attempt failed\n");
04052                break;
04053             }
04054 #endif
04055          } else {
04056             /* Hangup the current call */
04057             /* If there is another active call, skinny_hangup will ring the phone with the other call */
04058             if (sub->owner) {
04059                sub->alreadygone = 1;
04060                ast_queue_hangup(sub->owner);
04061             } else {
04062                ast_log(LOG_WARNING, "Skinny(%s@%s-%d) channel already destroyed\n",
04063                   l->name, d->name, sub->callid);
04064             }
04065          }
04066          if ((l->hookstate == SKINNY_ONHOOK) && (sub->next && !sub->next->rtp)) {
04067             do_housekeeping(s);
04068          }
04069       }
04070       break;
04071    case SOFTKEY_RESUME:
04072       if (skinnydebug)
04073          ast_verbose("Received Softkey Event: Resume(%d/%d)\n", instance, callreference);
04074       break;
04075    case SOFTKEY_ANSWER:
04076       if (skinnydebug)
04077          ast_verbose("Received Softkey Event: Answer(%d/%d)\n", instance, callreference);
04078 
04079       transmit_ringer_mode(s,SKINNY_RING_OFF);
04080       transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
04081 
04082       l->hookstate = SKINNY_OFFHOOK;
04083 
04084       if (sub && sub->outgoing) {
04085          /* We're answering a ringing call */
04086          ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
04087          transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
04088          transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
04089          transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
04090          transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
04091          start_rtp(sub);
04092          ast_setstate(sub->owner, AST_STATE_UP);
04093       }
04094       break;
04095    case SOFTKEY_INFO:
04096       if (skinnydebug)
04097          ast_verbose("Received Softkey Event: Info(%d/%d)\n", instance, callreference);
04098       break;
04099    case SOFTKEY_CONFRN:
04100       if (skinnydebug)
04101          ast_verbose("Received Softkey Event: Conference(%d/%d)\n", instance, callreference);
04102       /* XXX determine the best way to pull off a conference.  Meetme? */
04103       break;
04104    case SOFTKEY_PARK:
04105       if (skinnydebug)
04106          ast_verbose("Received Softkey Event: Park Call(%d/%d)\n", instance, callreference);
04107       /* XXX Park the call */
04108       break;
04109    case SOFTKEY_JOIN:
04110       if (skinnydebug)
04111          ast_verbose("Received Softkey Event: Join(%d/%d)\n", instance, callreference);
04112       break;
04113    case SOFTKEY_MEETME:
04114       /* XXX How is this different from CONFRN? */
04115       if (skinnydebug)
04116          ast_verbose("Received Softkey Event: Meetme(%d/%d)\n", instance, callreference);
04117       break;
04118    case SOFTKEY_PICKUP:
04119       if (skinnydebug)
04120          ast_verbose("Received Softkey Event: Pickup(%d/%d)\n", instance, callreference);
04121       break;
04122    case SOFTKEY_GPICKUP:
04123       if (skinnydebug)
04124          ast_verbose("Received Softkey Event: Group Pickup(%d/%d)\n", instance, callreference);
04125       break;
04126    default:
04127       if (skinnydebug)
04128          ast_verbose("Received unknown Softkey Event: %d(%d/%d)\n", event, instance, callreference);
04129       break;
04130    }
04131    return 1;
04132 }
04133 
04134 static int handle_unregister_message(struct skinny_req *req, struct skinnysession *s)
04135 {
04136    return skinny_unregister(req, s);
04137 }
04138 
04139 static int handle_soft_key_template_req_message(struct skinny_req *req, struct skinnysession *s)
04140 {
04141    if (!(req = req_alloc(sizeof(struct soft_key_template_res_message), SOFT_KEY_TEMPLATE_RES_MESSAGE)))
04142       return -1;
04143 
04144    req->data.softkeytemplate.softKeyOffset = htolel(0);
04145    req->data.softkeytemplate.softKeyCount = htolel(sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition));
04146    req->data.softkeytemplate.totalSoftKeyCount = htolel(sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition));
04147    memcpy(req->data.softkeytemplate.softKeyTemplateDefinition,
04148       soft_key_template_default,
04149       sizeof(soft_key_template_default));
04150    transmit_response(s,req);
04151    return 1;
04152 }
04153 
04154 static int handle_headset_status_message(struct skinny_req *req, struct skinnysession *s)
04155 {
04156    /* XXX umm...okay?  Why do I care? */
04157    return 1;
04158 }
04159 
04160 static int handle_register_available_lines_message(struct skinny_req *req, struct skinnysession *s)
04161 {
04162    /* XXX I have no clue what this is for, but my phone was sending it, so... */
04163    return 1;
04164 }
04165 
04166 static int handle_message(struct skinny_req *req, struct skinnysession *s)
04167 {
04168    int res = 0;
04169    struct skinny_device *d = s->device;
04170    struct skinny_subchannel *sub;
04171    int lineInstance;
04172    int callReference;
04173 
04174    if ((!s->device) && (letohl(req->e) != REGISTER_MESSAGE && letohl(req->e) != ALARM_MESSAGE)) {
04175       ast_log(LOG_WARNING, "Client sent message #%d without first registering.\n", req->e);
04176       free(req);
04177       return 0;
04178    }
04179 
04180    switch(letohl(req->e))  {
04181    case KEEP_ALIVE_MESSAGE:
04182       res = handle_keep_alive_message(req, s);
04183       break;
04184    case REGISTER_MESSAGE:
04185       if (skinnydebug)
04186          ast_verbose("Device %s is attempting to register\n", req->data.reg.name);
04187 
04188       res = handle_register_message(req, s);
04189       break;
04190    case IP_PORT_MESSAGE:
04191       res = handle_ip_port_message(req, s);
04192       break;
04193    case KEYPAD_BUTTON_MESSAGE:
04194       if (skinnydebug)
04195          ast_verbose("Collected digit: [%d]\n", letohl(req->data.keypad.button));
04196 
04197       lineInstance = letohl(req->data.keypad.lineInstance);
04198       callReference = letohl(req->data.keypad.callReference);
04199 
04200       sub = find_subchannel_by_instance_reference(d, lineInstance, callReference);
04201 
04202       if (sub && (sub->owner && sub->owner->_state <  AST_STATE_UP)) {
04203          char dgt;
04204          int digit = letohl(req->data.keypad.button);
04205          size_t len;
04206 
04207          if (digit == 14) {
04208             dgt = '*';
04209          } else if (digit == 15) {
04210             dgt = '#';
04211          } else if (digit >= 0 && digit <= 9) {
04212             dgt = '0' + digit;
04213          } else {
04214             /* digit=10-13 (A,B,C,D ?), or
04215             * digit is bad value
04216             *
04217             * probably should not end up here, but set
04218             * value for backward compatibility, and log
04219             * a warning.
04220             */
04221             dgt = '0' + digit;
04222             ast_log(LOG_WARNING, "Unsupported digit %d\n", digit);
04223          }
04224 
04225          len = strlen(d->exten);
04226          if (len < sizeof(d->exten) - 1) {
04227             d->exten[len] = dgt;
04228             d->exten[len+1] = '\0';
04229          } else {
04230             ast_log(LOG_WARNING, "Dropping digit with value %d because digit queue is full\n", dgt);
04231          }
04232       } else
04233          res = handle_keypad_button_message(req, s);
04234       break;
04235    case ENBLOC_CALL_MESSAGE:
04236       res = handle_enbloc_call_message(req, s);
04237       break;
04238    case STIMULUS_MESSAGE:
04239       res = handle_stimulus_message(req, s);
04240       break;
04241    case OFFHOOK_MESSAGE:
04242       res = handle_offhook_message(req, s);
04243       break;
04244    case ONHOOK_MESSAGE:
04245       res = handle_onhook_message(req, s);
04246       break;
04247    case CAPABILITIES_RES_MESSAGE:
04248       if (skinnydebug)
04249          ast_verbose("Received CapabilitiesRes\n");
04250 
04251       res = handle_capabilities_res_message(req, s);
04252       break;
04253    case SPEED_DIAL_STAT_REQ_MESSAGE:
04254       if (skinnydebug)
04255          ast_verbose("Received SpeedDialStatRequest\n");
04256 
04257       res = handle_speed_dial_stat_req_message(req, s);
04258       break;
04259    case LINE_STATE_REQ_MESSAGE:
04260       if (skinnydebug)
04261          ast_verbose("Received LineStatRequest\n");
04262       res = handle_line_state_req_message(req, s);
04263       break;
04264    case TIME_DATE_REQ_MESSAGE:
04265       if (skinnydebug)
04266          ast_verbose("Received Time/Date Request\n");
04267 
04268       res = handle_time_date_req_message(req, s);
04269       break;
04270    case BUTTON_TEMPLATE_REQ_MESSAGE:
04271       if (skinnydebug)
04272          ast_verbose("Buttontemplate requested\n");
04273 
04274       res = handle_button_template_req_message(req, s);
04275       break;
04276    case VERSION_REQ_MESSAGE:
04277       if (skinnydebug)
04278          ast_verbose("Version Request\n");
04279 
04280       res = handle_version_req_message(req, s);
04281       break;
04282    case SERVER_REQUEST_MESSAGE:
04283       if (skinnydebug)
04284          ast_verbose("Received Server Request\n");
04285 
04286       res = handle_server_request_message(req, s);
04287       break;
04288    case ALARM_MESSAGE:
04289       res = handle_alarm_message(req, s);
04290       break;
04291    case OPEN_RECEIVE_CHANNEL_ACK_MESSAGE:
04292       if (skinnydebug)
04293          ast_verbose("Received Open Receive Channel Ack\n");
04294 
04295       res = handle_open_receive_channel_ack_message(req, s);
04296       break;
04297    case SOFT_KEY_SET_REQ_MESSAGE:
04298       if (skinnydebug)
04299          ast_verbose("Received SoftKeySetReq\n");
04300 
04301       res = handle_soft_key_set_req_message(req, s);
04302       break;
04303    case SOFT_KEY_EVENT_MESSAGE:
04304       res = handle_soft_key_event_message(req, s);
04305       break;
04306    case UNREGISTER_MESSAGE:
04307       if (skinnydebug)
04308          ast_verbose("Received Unregister Request\n");
04309 
04310       res = handle_unregister_message(req, s);
04311       break;
04312    case SOFT_KEY_TEMPLATE_REQ_MESSAGE:
04313       if (skinnydebug)
04314          ast_verbose("Received SoftKey Template Request\n");
04315 
04316       res = handle_soft_key_template_req_message(req, s);
04317       break;
04318    case HEADSET_STATUS_MESSAGE:
04319       res = handle_headset_status_message(req, s);
04320       break;
04321    case REGISTER_AVAILABLE_LINES_MESSAGE:
04322       res = handle_register_available_lines_message(req, s);
04323       break;
04324    default:
04325       if (skinnydebug)
04326          ast_verbose("RECEIVED UNKNOWN MESSAGE TYPE:  %x\n", letohl(req->e));
04327       break;
04328    }
04329    if (res >= 0 && req)
04330       free(req);
04331    return res;
04332 }
04333 
04334 static void destroy_session(struct skinnysession *s)
04335 {
04336    struct skinnysession *cur, *prev = NULL;
04337    ast_mutex_lock(&sessionlock);
04338    cur = sessions;
04339    while(cur) {
04340       if (cur == s) {
04341          break;
04342       }
04343       prev = cur;
04344       cur = cur->next;
04345    }
04346    if (cur) {
04347       if (prev) {
04348          prev->next = cur->next;
04349       } else {
04350          sessions = cur->next;
04351       }
04352       if (s->fd > -1) {
04353          close(s->fd);
04354       }
04355       ast_mutex_destroy(&s->lock);
04356       free(s);
04357    } else {
04358       ast_log(LOG_WARNING, "Trying to delete nonexistent session %p?\n", s);
04359    }
04360    ast_mutex_unlock(&sessionlock);
04361 }
04362 
04363 static int get_input(struct skinnysession *s)
04364 {
04365    int res;
04366    int dlen = 0;
04367    struct pollfd fds[1];
04368 
04369    fds[0].fd = s->fd;
04370    fds[0].events = POLLIN;
04371    fds[0].revents = 0;
04372    res = poll(fds, 1, (keep_alive * 1100)); /* If nothing has happen, client is dead */
04373                    /* we add 10% to the keep_alive to deal */
04374                    /* with network delays, etc */
04375    if (res < 0) {
04376       if (errno != EINTR) {
04377          ast_log(LOG_WARNING, "Select returned error: %s\n", strerror(errno));
04378          return res;
04379       }
04380    } else if (res == 0) {
04381       if (skinnydebug)
04382          ast_verbose("Skinny Client was lost, unregistering\n");
04383       skinny_unregister(NULL, s);
04384       return -1;
04385    }
04386            
04387    if (fds[0].revents) {
04388       ast_mutex_lock(&s->lock);
04389       memset(s->inbuf,0,sizeof(s->inbuf));
04390       res = read(s->fd, s->inbuf, 4);
04391       if (res < 0) {
04392          ast_log(LOG_WARNING, "read() returned error: %s\n", strerror(errno));
04393 
04394          if (skinnydebug)
04395             ast_verbose("Skinny Client was lost, unregistering\n");
04396          
04397          skinny_unregister(NULL,s);
04398          ast_mutex_unlock(&s->lock);
04399          return res;
04400       } else if (res != 4) {
04401          ast_log(LOG_WARNING, "Skinny Client sent less data than expected.  Expected 4 but got %d.\n", res);
04402          ast_mutex_unlock(&s->lock);
04403          
04404          if (res == 0) {
04405             if (skinnydebug)
04406                ast_verbose("Skinny Client was lost, unregistering\n");
04407             skinny_unregister(NULL, s);
04408          }
04409            
04410          return -1;
04411       }
04412       
04413       dlen = letohl(*(int *)s->inbuf);
04414       if (dlen < 4) {
04415          ast_log(LOG_WARNING, "Skinny Client sent invalid data.\n");
04416          ast_mutex_unlock(&s->lock);
04417          return -1;
04418       }
04419       if (dlen+8 > sizeof(s->inbuf)) {
04420          dlen = sizeof(s->inbuf) - 8;
04421       }
04422       *(int *)s->inbuf = htolel(dlen);
04423 
04424       res = read(s->fd, s->inbuf+4, dlen+4);
04425       ast_mutex_unlock(&s->lock);
04426       if (res < 0) {
04427          ast_log(LOG_WARNING, "read() returned error: %s\n", strerror(errno));
04428          return res;
04429       } else if (res != (dlen+4)) {
04430          ast_log(LOG_WARNING, "Skinny Client sent less data than expected.\n");
04431          return -1;
04432       }
04433       return res;
04434    }
04435    return 0;
04436 }
04437 
04438 static struct skinny_req *skinny_req_parse(struct skinnysession *s)
04439 {
04440    struct skinny_req *req;
04441 
04442    if (!(req = ast_calloc(1, SKINNY_MAX_PACKET)))
04443       return NULL;
04444 
04445    ast_mutex_lock(&s->lock);
04446    memcpy(req, s->inbuf, skinny_header_size);
04447    memcpy(&req->data, s->inbuf+skinny_header_size, letohl(*(int*)(s->inbuf))-4);
04448 
04449    ast_mutex_unlock(&s->lock);
04450 
04451    if (letohl(req->e) < 0) {
04452       ast_log(LOG_ERROR, "Event Message is NULL from socket %d, This is bad\n", s->fd);
04453       free(req);
04454       return NULL;
04455    }
04456 
04457    return req;
04458 }
04459 
04460 static void *skinny_session(void *data)
04461 {
04462    int res;
04463    struct skinny_req *req;
04464    struct skinnysession *s = data;
04465 
04466    if (option_verbose > 2)
04467       ast_verbose(VERBOSE_PREFIX_3 "Starting Skinny session from %s\n", ast_inet_ntoa(s->sin.sin_addr));
04468 
04469    for (;;) {
04470       res = get_input(s);
04471       if (res < 0) {
04472          break;
04473       }
04474 
04475       if (res > 0)
04476       {
04477          if (!(req = skinny_req_parse(s))) {
04478             destroy_session(s);
04479             return NULL;
04480          }
04481 
04482          res = handle_message(req, s);
04483          if (res < 0) {
04484             destroy_session(s);
04485             return NULL;
04486          }
04487       }
04488    }
04489    ast_log(LOG_NOTICE, "Skinny Session returned: %s\n", strerror(errno));
04490 
04491    if (s) 
04492       destroy_session(s);
04493    
04494    return 0;
04495 }
04496 
04497 static void *accept_thread(void *ignore)
04498 {
04499    int as;
04500    struct sockaddr_in sin;
04501    socklen_t sinlen;
04502    struct skinnysession *s;
04503    struct protoent *p;
04504    int arg = 1;
04505    pthread_attr_t attr;
04506    pthread_t tcp_thread;
04507 
04508    pthread_attr_init(&attr);
04509    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
04510 
04511    for (;;) {
04512       sinlen = sizeof(sin);
04513       as = accept(skinnysock, (struct sockaddr *)&sin, &sinlen);
04514       if (as < 0) {
04515          ast_log(LOG_NOTICE, "Accept returned -1: %s\n", strerror(errno));
04516          continue;
04517       }
04518       p = getprotobyname("tcp");
04519       if(p) {
04520          if( setsockopt(as, p->p_proto, TCP_NODELAY, (char *)&arg, sizeof(arg) ) < 0 ) {
04521             ast_log(LOG_WARNING, "Failed to set Skinny tcp connection to TCP_NODELAY mode: %s\n", strerror(errno));
04522          }
04523       }
04524       if (!(s = ast_calloc(1, sizeof(struct skinnysession))))
04525          continue;
04526 
04527       memcpy(&s->sin, &sin, sizeof(sin));
04528       ast_mutex_init(&s->lock);
04529       s->fd = as;
04530       ast_mutex_lock(&sessionlock);
04531       s->next = sessions;
04532       sessions = s;
04533       ast_mutex_unlock(&sessionlock);
04534 
04535       if (ast_pthread_create(&tcp_thread, &attr, skinny_session, s)) {
04536          destroy_session(s);
04537       }
04538    }
04539    if (skinnydebug)
04540       ast_verbose("killing accept thread\n");
04541    close(as);
04542    pthread_attr_destroy(&attr);
04543    return 0;
04544 }
04545 
04546 static void *do_monitor(void *data)
04547 {
04548    int res;
04549 
04550    /* This thread monitors all the interfaces which are not yet in use
04551       (and thus do not have a separate thread) indefinitely */
04552    /* From here on out, we die whenever asked */
04553    for(;;) {
04554       pthread_testcancel();
04555       /* Wait for sched or io */
04556       res = ast_sched_wait(sched);
04557       if ((res < 0) || (res > 1000)) {
04558          res = 1000;
04559       }
04560       res = ast_io_wait(io, res);
04561       ast_mutex_lock(&monlock);
04562       if (res >= 0) {
04563          ast_sched_runq(sched);
04564       }
04565       ast_mutex_unlock(&monlock);
04566    }
04567    /* Never reached */
04568    return NULL;
04569 
04570 }
04571 
04572 static int restart_monitor(void)
04573 {
04574    /* If we're supposed to be stopped -- stay stopped */
04575    if (monitor_thread == AST_PTHREADT_STOP)
04576       return 0;
04577 
04578    ast_mutex_lock(&monlock);
04579    if (monitor_thread == pthread_self()) {
04580       ast_mutex_unlock(&monlock);
04581       ast_log(LOG_WARNING, "Cannot kill myself\n");
04582       return -1;
04583    }
04584    if (monitor_thread != AST_PTHREADT_NULL) {
04585       /* Wake up the thread */
04586       pthread_kill(monitor_thread, SIGURG);
04587    } else {
04588       /* Start a new monitor */
04589       if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) {
04590          ast_mutex_unlock(&monlock);
04591          ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
04592          return -1;
04593       }
04594    }
04595    ast_mutex_unlock(&monlock);
04596    return 0;
04597 }
04598 
04599 static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause)
04600 {
04601    int oldformat;
04602    
04603    struct skinny_line *l;
04604    struct ast_channel *tmpc = NULL;
04605    char tmp[256];
04606    char *dest = data;
04607 
04608    oldformat = format;
04609    
04610    if (!(format &= ((AST_FORMAT_MAX_AUDIO << 1) - 1))) {
04611       ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", format);
04612       return NULL;   
04613    }     
04614 
04615    ast_copy_string(tmp, dest, sizeof(tmp));
04616    if (ast_strlen_zero(tmp)) {
04617       ast_log(LOG_NOTICE, "Skinny channels require a device\n");
04618       return NULL;
04619    }
04620    l = find_line_by_name(tmp);
04621    if (!l) {
04622       ast_log(LOG_NOTICE, "No available lines on: %s\n", dest);
04623       return NULL;
04624    }
04625    if (option_verbose > 2) {
04626       ast_verbose(VERBOSE_PREFIX_3 "skinny_request(%s)\n", tmp);
04627    }
04628    tmpc = skinny_new(l, AST_STATE_DOWN);
04629    if (!tmpc) {
04630       ast_log(LOG_WARNING, "Unable to make channel for '%s'\n", tmp);
04631    }
04632    restart_monitor();
04633    return tmpc;
04634 }
04635 
04636 static int reload_config(void)
04637 {
04638    int on = 1;
04639    struct ast_config *cfg;
04640    struct ast_variable *v;
04641    char *cat;
04642    struct skinny_device *d;
04643    int oldport = ntohs(bindaddr.sin_port);
04644 
04645    if (gethostname(ourhost, sizeof(ourhost))) {
04646       ast_log(LOG_WARNING, "Unable to get hostname, Skinny disabled\n");
04647       return 0;
04648    }
04649    cfg = ast_config_load(config);
04650 
04651    /* We *must* have a config file otherwise stop immediately */
04652    if (!cfg) {
04653       ast_log(LOG_NOTICE, "Unable to load config %s, Skinny disabled\n", config);
04654       return -1;
04655    }
04656    memset(&bindaddr, 0, sizeof(bindaddr));
04657    memset(&default_prefs, 0, sizeof(default_prefs));
04658 
04659    /* Copy the default jb config over global_jbconf */
04660    memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf));
04661 
04662    /* load the general section */
04663    v = ast_variable_browse(cfg, "general");
04664    while (v) {
04665       /* handle jb conf */
04666       if (!ast_jb_read_conf(&global_jbconf, v->name, v->value)) {
04667          v = v->next;
04668          continue;
04669       }
04670 
04671       /* Create the interface list */
04672       if (!strcasecmp(v->name, "bindaddr")) {
04673          if (!(hp = ast_gethostbyname(v->value, &ahp))) {
04674             ast_log(LOG_WARNING, "Invalid address: %s\n", v->value);
04675          } else {
04676             memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr));
04677          }
04678       } else if (!strcasecmp(v->name, "keepalive")) {
04679          keep_alive = atoi(v->value);
04680       } else if (!strcasecmp(v->name, "dateformat")) {
04681          memcpy(date_format, v->value, sizeof(date_format));
04682       } else if (!strcasecmp(v->name, "allow")) {
04683          ast_parse_allow_disallow(&default_prefs, &default_capability, v->value, 1);
04684       } else if (!strcasecmp(v->name, "disallow")) {
04685          ast_parse_allow_disallow(&default_prefs, &default_capability, v->value, 0);
04686       } else if (!strcasecmp(v->name, "bindport") || !strcasecmp(v->name, "port")) {
04687          if (sscanf(v->value, "%d", &ourport) == 1) {
04688             bindaddr.sin_port = htons(ourport);
04689          } else {
04690             ast_log(LOG_WARNING, "Invalid bindport '%s' at line %d of %s\n", v->value, v->lineno, config);
04691          }
04692          if (!strcasecmp(v->name, "port")) { /*! \todo Remove 'port' option after 1.4 */
04693             ast_log(LOG_WARNING, "Option 'port' at line %d of %s has been deprecated.  Please use 'bindport' instead.\n", v->lineno, config);
04694          }
04695       }
04696       v = v->next;
04697    }
04698 
04699    if (ntohl(bindaddr.sin_addr.s_addr)) {
04700       __ourip = bindaddr.sin_addr;
04701    } else {
04702       hp = ast_gethostbyname(ourhost, &ahp);
04703       if (!hp) {
04704          ast_log(LOG_WARNING, "Unable to get our IP address, Skinny disabled\n");
04705          ast_config_destroy(cfg);
04706          return 0;
04707       }
04708       memcpy(&__ourip, hp->h_addr, sizeof(__ourip));
04709    }
04710    if (!ntohs(bindaddr.sin_port)) {
04711       bindaddr.sin_port = ntohs(DEFAULT_SKINNY_PORT);
04712    }
04713    bindaddr.sin_family = AF_INET;
04714 
04715    /* load the device sections */
04716    cat = ast_category_browse(cfg, NULL);
04717    while(cat) {
04718       if (!strcasecmp(cat, "general")) {
04719          /* Nothing to do */
04720 #if 0
04721       } else if (!strncasecmp(cat, "paging-", 7)) {
04722          p = build_paging_device(cat, ast_variable_browse(cfg, cat));
04723          if (p) {
04724          }
04725 #endif
04726       } else {
04727          d = build_device(cat, ast_variable_browse(cfg, cat));
04728          if (d) {
04729             if (option_verbose > 2)
04730                ast_verbose(VERBOSE_PREFIX_3 "Added device '%s'\n", d->name);
04731             ast_mutex_lock(&devicelock);
04732             d->next = devices;
04733             devices = d;
04734             ast_mutex_unlock(&devicelock);
04735          }
04736       }
04737       cat = ast_category_browse(cfg, cat);
04738    }
04739    ast_mutex_lock(&netlock);
04740    if ((skinnysock > -1) && (ntohs(bindaddr.sin_port) != oldport)) {
04741       close(skinnysock);
04742       skinnysock = -1;
04743    }
04744    if (skinnysock < 0) {
04745       skinnysock = socket(AF_INET, SOCK_STREAM, 0);
04746       if(setsockopt(skinnysock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) {
04747          ast_log(LOG_ERROR, "Set Socket Options failed: errno %d, %s\n", errno, strerror(errno));
04748          ast_config_destroy(cfg);
04749          return 0;
04750       }
04751       if (skinnysock < 0) {
04752          ast_log(LOG_WARNING, "Unable to create Skinny socket: %s\n", strerror(errno));
04753       } else {
04754          if (bind(skinnysock, (struct sockaddr *)&bindaddr, sizeof(bindaddr)) < 0) {
04755             ast_log(LOG_WARNING, "Failed to bind to %s:%d: %s\n",
04756                   ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),
04757                      strerror(errno));
04758             close(skinnysock);
04759             skinnysock = -1;
04760             ast_config_destroy(cfg);
04761             return 0;
04762          }
04763          if (listen(skinnysock,DEFAULT_SKINNY_BACKLOG)) {
04764                ast_log(LOG_WARNING, "Failed to start listening to %s:%d: %s\n",
04765                   ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),
04766                      strerror(errno));
04767                close(skinnysock);
04768                skinnysock = -1;
04769                ast_config_destroy(cfg);
04770                return 0;
04771          }
04772          if (option_verbose > 1)
04773             ast_verbose(VERBOSE_PREFIX_2 "Skinny listening on %s:%d\n",
04774                ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port));
04775          ast_pthread_create_background(&accept_t,NULL, accept_thread, NULL);
04776       }
04777    }
04778    ast_mutex_unlock(&netlock);
04779    ast_config_destroy(cfg);
04780    return 1;
04781 }
04782 
04783 static void delete_devices(void)
04784 {
04785    struct skinny_device *d, *dlast;
04786    struct skinny_line *l, *llast;
04787    struct skinny_speeddial *sd, *sdlast;
04788    struct skinny_addon *a, *alast;
04789 
04790    ast_mutex_lock(&devicelock);
04791 
04792    /* Delete all devices */
04793    for (d=devices;d;) {
04794       /* Delete all lines for this device */
04795       for (l=d->lines;l;) {
04796          llast = l;
04797          l = l->next;
04798          ast_mutex_destroy(&llast->lock);
04799          free(llast);
04800       }
04801       /* Delete all speeddials for this device */
04802       for (sd=d->speeddials;sd;) {
04803          sdlast = sd;
04804          sd = sd->next;
04805          ast_mutex_destroy(&sdlast->lock);
04806          free(sdlast);
04807       }
04808       /* Delete all addons for this device */
04809       for (a=d->addons;a;) {
04810          alast = a;
04811          a = a->next;
04812          ast_mutex_destroy(&alast->lock);
04813          free(alast);
04814       }
04815       dlast = d;
04816       d = d->next;
04817       free(dlast);
04818    }
04819    devices=NULL;
04820    ast_mutex_unlock(&devicelock);
04821 }
04822 
04823 #if 0
04824 /*
04825  * XXX This never worked properly anyways.
04826  * Let's get rid of it, until we can fix it.
04827  */
04828 static int reload(void)
04829 {
04830    delete_devices();
04831    reload_config();
04832    restart_monitor();
04833    return 0;
04834 }
04835 #endif
04836 
04837 static int load_module(void)
04838 {
04839    int res = 0;
04840 
04841    for (; res < (sizeof(soft_key_template_default) / sizeof(soft_key_template_default[0])); res++) {
04842       soft_key_template_default[res].softKeyEvent = htolel(soft_key_template_default[res].softKeyEvent);
04843    }
04844    /* load and parse config */
04845    res = reload_config();
04846    if (res == -1) {
04847       return AST_MODULE_LOAD_DECLINE;
04848    }
04849 
04850    /* Make sure we can register our skinny channel type */
04851    if (ast_channel_register(&skinny_tech)) {
04852       ast_log(LOG_ERROR, "Unable to register channel class 'Skinny'\n");
04853       return -1;
04854    }
04855 
04856    ast_rtp_proto_register(&skinny_rtp);
04857    ast_cli_register_multiple(cli_skinny, sizeof(cli_skinny) / sizeof(struct ast_cli_entry));
04858    sched = sched_context_create();
04859    if (!sched) {
04860       ast_log(LOG_WARNING, "Unable to create schedule context\n");
04861    }
04862    io = io_context_create();
04863    if (!io) {
04864       ast_log(LOG_WARNING, "Unable to create I/O context\n");
04865    }
04866    /* And start the monitor for the first time */
04867    restart_monitor();
04868 
04869    return res;
04870 }
04871 
04872 static int unload_module(void)
04873 {
04874    struct skinnysession *s, *slast;
04875    struct skinny_device *d;
04876    struct skinny_line *l;
04877    struct skinny_subchannel *sub;
04878 
04879    ast_mutex_lock(&sessionlock);
04880    /* Destroy all the interfaces and free their memory */
04881    s = sessions;
04882    while(s) {
04883       slast = s;
04884       s = s->next;
04885       for (d = slast->device; d; d = d->next) {
04886          for (l = d->lines; l; l = l->next) {
04887             ast_mutex_lock(&l->lock);
04888             for (sub = l->sub; sub; sub = sub->next) {
04889                ast_mutex_lock(&sub->lock);
04890                if (sub->owner) {
04891                   sub->alreadygone = 1;
04892                   ast_softhangup(sub->owner, AST_SOFTHANGUP_APPUNLOAD);
04893                }
04894                ast_mutex_unlock(&sub->lock);
04895             }
04896             ast_mutex_unlock(&l->lock);
04897          }
04898       }
04899       if (slast->fd > -1)
04900          close(slast->fd);
04901       ast_mutex_destroy(&slast->lock);
04902       free(slast);
04903    }
04904    sessions = NULL;
04905    ast_mutex_unlock(&sessionlock);
04906 
04907    delete_devices();
04908 
04909    ast_mutex_lock(&monlock);
04910    if ((monitor_thread != AST_PTHREADT_NULL) && (monitor_thread != AST_PTHREADT_STOP)) {
04911       pthread_cancel(monitor_thread);
04912       pthread_kill(monitor_thread, SIGURG);
04913       pthread_join(monitor_thread, NULL);
04914    }
04915    monitor_thread = AST_PTHREADT_STOP;
04916    ast_mutex_unlock(&monlock);
04917 
04918    ast_mutex_lock(&netlock);
04919    if (accept_t && (accept_t != AST_PTHREADT_STOP)) {
04920       pthread_cancel(accept_t);
04921       pthread_kill(accept_t, SIGURG);
04922       pthread_join(accept_t, NULL);
04923    }
04924    accept_t = AST_PTHREADT_STOP;
04925    ast_mutex_unlock(&netlock);
04926 
04927    ast_rtp_proto_unregister(&skinny_rtp);
04928    ast_channel_unregister(&skinny_tech);
04929    ast_cli_unregister_multiple(cli_skinny, sizeof(cli_skinny) / sizeof(struct ast_cli_entry));
04930 
04931    close(skinnysock);
04932    if (sched)
04933       sched_context_destroy(sched);
04934 
04935    return 0;
04936 }
04937 
04938 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Skinny Client Control Protocol (Skinny)",
04939       .load = load_module,
04940       .unload = unload_module,
04941           );

Generated on Mon Mar 31 07:38:00 2008 for Asterisk - the Open Source PBX by  doxygen 1.5.1