Mon May 14 04:42:56 2007

Asterisk developer's documentation


isdn_msg_parser.c

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00001 /*
00002  * Chan_Misdn -- Channel Driver for Asterisk
00003  *
00004  * Interface to mISDN
00005  *
00006  * Copyright (C) 2004, Christian Richter
00007  *
00008  * Christian Richter <crich@beronet.com>
00009  *
00010  * This program is free software, distributed under the terms of
00011  * the GNU General Public License
00012  */
00013 
00014 
00015 #include "isdn_lib_intern.h"
00016 
00017 
00018 #include "isdn_lib.h"
00019 
00020 #include "ie.c"
00021 
00022 
00023 static void set_channel(struct misdn_bchannel *bc, int channel)
00024 {
00025 
00026    cb_log(3,bc->port,"set_channel: bc->channel:%d channel:%d\n", bc->channel, channel);
00027    
00028    
00029    if (channel==0xff) {
00030       /* any channel */
00031       channel=-1;
00032    }
00033    
00034    /*  ALERT: is that everytime true ?  */
00035    if (channel > 0 && bc->nt ) {
00036       
00037       if (bc->channel && ( bc->channel != 0xff) ) {
00038          cb_log(0,bc->port,"We already have a channel (%d)\n", bc->channel);
00039       } else {
00040          bc->channel = channel;
00041          cb_event(EVENT_NEW_CHANNEL,bc,NULL);
00042       }
00043    }
00044    
00045    if (channel > 0 && !bc->nt ) {
00046       bc->channel = channel;
00047       cb_event(EVENT_NEW_CHANNEL,bc,NULL);
00048    }
00049 }
00050 
00051 static void parse_proceeding (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00052 {
00053    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00054    CALL_PROCEEDING_t *proceeding=(CALL_PROCEEDING_t*)((unsigned long)msg->data+ HEADER_LEN);
00055    //struct misdn_stack *stack=get_stack_by_bc(bc);
00056    
00057    {
00058       int  exclusive, channel;
00059       dec_ie_channel_id(proceeding->CHANNEL_ID, (Q931_info_t *)proceeding, &exclusive, &channel, nt,bc);
00060 
00061       set_channel(bc,channel);
00062       
00063    }
00064    
00065    dec_ie_progress(proceeding->PROGRESS, (Q931_info_t *)proceeding, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
00066    
00067    
00068 #if DEBUG 
00069    printf("Parsing PROCEEDING Msg\n"); 
00070 #endif
00071 }
00072 static msg_t *build_proceeding (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt)
00073 {
00074    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00075    CALL_PROCEEDING_t *proceeding;
00076    msg_t *msg =(msg_t*)create_l3msg(CC_PROCEEDING | REQUEST, MT_CALL_PROCEEDING,  bc?bc->l3_id:-1, sizeof(CALL_PROCEEDING_t) ,nt); 
00077   
00078    proceeding=(CALL_PROCEEDING_t*)((msg->data+HEADER_LEN));
00079 
00080    enc_ie_channel_id(&proceeding->CHANNEL_ID, msg, 1,bc->channel, nt,bc);
00081   
00082    if (nt) 
00083       enc_ie_progress(&proceeding->PROGRESS, msg, 0, nt?1:5, 8, nt,bc);
00084   
00085 
00086 #if DEBUG 
00087    printf("Building PROCEEDING Msg\n"); 
00088 #endif
00089    return msg; 
00090 }
00091 
00092 static void parse_alerting (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00093 {
00094    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN; 
00095    ALERTING_t *alerting=(ALERTING_t*)((unsigned long)(msg->data+HEADER_LEN));
00096    //Q931_info_t *qi=(Q931_info_t*)(msg->data+HEADER_LEN);
00097    
00098    dec_ie_progress(alerting->PROGRESS, (Q931_info_t *)alerting, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
00099    
00100 #if DEBUG 
00101    printf("Parsing ALERTING Msg\n"); 
00102 #endif
00103 
00104  
00105 }
00106 
00107 static msg_t *build_alerting (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00108 {
00109    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00110    ALERTING_t *alerting;
00111    msg_t *msg =(msg_t*)create_l3msg(CC_ALERTING | REQUEST, MT_ALERTING,  bc?bc->l3_id:-1, sizeof(ALERTING_t) ,nt); 
00112   
00113    alerting=(ALERTING_t*)((msg->data+HEADER_LEN)); 
00114   
00115    enc_ie_channel_id(&alerting->CHANNEL_ID, msg, 1,bc->channel, nt,bc);
00116    
00117    if (nt) 
00118       enc_ie_progress(&alerting->PROGRESS, msg, 0, nt?1:5, 8, nt,bc);
00119 #if DEBUG 
00120    printf("Building ALERTING Msg\n"); 
00121 #endif
00122    return msg; 
00123 }
00124 
00125 
00126 static void parse_progress (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00127 {
00128    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00129    PROGRESS_t *progress=(PROGRESS_t*)((unsigned long)(msg->data+HEADER_LEN)); 
00130    //Q931_info_t *qi=(Q931_info_t*)(msg->data+HEADER_LEN);  
00131    
00132    dec_ie_progress(progress->PROGRESS, (Q931_info_t *)progress, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
00133    
00134 #if DEBUG 
00135    printf("Parsing PROGRESS Msg\n"); 
00136 #endif
00137 }
00138 
00139 static msg_t *build_progress (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00140 {
00141    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00142    PROGRESS_t *progress;
00143    msg_t *msg =(msg_t*)create_l3msg(CC_PROGRESS | REQUEST, MT_PROGRESS,  bc?bc->l3_id:-1, sizeof(PROGRESS_t) ,nt); 
00144  
00145    progress=(PROGRESS_t*)((msg->data+HEADER_LEN)); 
00146 
00147 #if DEBUG 
00148    printf("Building PROGRESS Msg\n"); 
00149 #endif
00150    return msg; 
00151 }
00152 
00153 static void parse_setup (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00154 { 
00155    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00156    SETUP_t *setup= (SETUP_t*)((unsigned long)msg->data+HEADER_LEN);
00157    Q931_info_t *qi=(Q931_info_t*)((unsigned long)msg->data+HEADER_LEN);
00158 
00159 #if DEBUG 
00160    printf("Parsing SETUP Msg\n"); 
00161 #endif
00162    {
00163       int type,plan,present, screen;
00164       char id[32];
00165       dec_ie_calling_pn(setup->CALLING_PN, qi, &type, &plan, &present, &screen, id, sizeof(id)-1, nt,bc);
00166 
00167       bc->onumplan=type; 
00168       strcpy(bc->oad, id);
00169       switch (present) {
00170       case 0:
00171          bc->pres=0; /* screened */
00172          break;
00173       case 1:
00174          bc->pres=1; /* not screened */
00175          break;
00176       default:
00177          bc->pres=0;
00178       }
00179       switch (screen) {
00180       case 0:
00181          break;
00182       default:
00183          ;
00184       } 
00185    }
00186    {
00187       int  type, plan;
00188       char number[32]; 
00189       dec_ie_called_pn(setup->CALLED_PN, (Q931_info_t *)setup, &type, &plan, number, sizeof(number)-1, nt,bc);
00190       strcpy(bc->dad, number);
00191       bc->dnumplan=type; 
00192    }
00193    {
00194       char keypad[32];
00195       dec_ie_keypad(setup->KEYPAD, (Q931_info_t *)setup, keypad, sizeof(keypad)-1, nt,bc);
00196       strcpy(bc->keypad, keypad);
00197    }
00198 
00199    {
00200       dec_ie_complete(setup->COMPLETE, (Q931_info_t *)setup, &bc->sending_complete, nt,bc);
00201       
00202    }
00203   
00204    {
00205       int  type, plan, present, screen, reason;
00206       char id[32]; 
00207       dec_ie_redir_nr(setup->REDIR_NR, (Q931_info_t *)setup, &type, &plan, &present, &screen, &reason, id, sizeof(id)-1, nt,bc);
00208     
00209       strcpy(bc->rad, id);
00210       bc->rnumplan=type; 
00211    }
00212    {
00213       int  coding, capability, mode, rate, multi, user, async, urate, stopbits, dbits, parity;
00214       dec_ie_bearer(setup->BEARER, (Q931_info_t *)setup, &coding, &capability, &mode, &rate, &multi, &user, &async, &urate, &stopbits, &dbits, &parity, nt,bc);
00215       switch (capability) {
00216       case -1: bc->capability=INFO_CAPABILITY_DIGITAL_UNRESTRICTED; 
00217          break;
00218       case 0: bc->capability=INFO_CAPABILITY_SPEECH;
00219          break;
00220       case 18: bc->capability=INFO_CAPABILITY_VIDEO;
00221          break;
00222       case 8: bc->capability=INFO_CAPABILITY_DIGITAL_UNRESTRICTED;
00223          bc->user1 = user;
00224          bc->urate = urate;
00225          
00226          bc->rate = rate;
00227          bc->mode = mode;
00228          break;
00229       case 9: bc->capability=INFO_CAPABILITY_DIGITAL_RESTRICTED;
00230          break;
00231       default:
00232          break;
00233       }
00234       
00235       switch(user) {
00236       case 2:
00237          bc->law=INFO_CODEC_ULAW;
00238          break;
00239       case 3:
00240          bc->law=INFO_CODEC_ALAW;
00241          break;
00242       default:
00243          bc->law=INFO_CODEC_ALAW;
00244          
00245       }
00246       
00247       bc->capability=capability; 
00248    }
00249    {
00250       int  exclusive, channel;
00251       dec_ie_channel_id(setup->CHANNEL_ID, (Q931_info_t *)setup, &exclusive, &channel, nt,bc);
00252       
00253       set_channel(bc,channel);
00254    }
00255 
00256    {
00257       int  protocol ;
00258       dec_ie_useruser(setup->USER_USER, (Q931_info_t *)setup, &protocol, bc->uu, &bc->uulen, nt,bc);
00259       if (bc->uulen) cb_log(1,bc->port,"USERUESRINFO:%s\n",bc->uu);
00260       else
00261       cb_log(1,bc->port,"NO USERUESRINFO\n");
00262    }
00263    
00264    dec_ie_progress(setup->PROGRESS, (Q931_info_t *)setup, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
00265    
00266 }
00267 
00268 #define ANY_CHANNEL 0xff /* IE attribut for 'any channel' */
00269 static msg_t *build_setup (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00270 {
00271    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00272    SETUP_t *setup;
00273    msg_t *msg =(msg_t*)create_l3msg(CC_SETUP | REQUEST, MT_SETUP,  bc?bc->l3_id:-1, sizeof(SETUP_t) ,nt); 
00274   
00275    setup=(SETUP_t*)((msg->data+HEADER_LEN)); 
00276   
00277    if (bc->channel == 0 || bc->channel == ANY_CHANNEL || bc->channel==-1)
00278       enc_ie_channel_id(&setup->CHANNEL_ID, msg, 0, bc->channel, nt,bc);
00279    else 
00280       enc_ie_channel_id(&setup->CHANNEL_ID, msg, 1, bc->channel, nt,bc);
00281    
00282    
00283    {
00284       int type=bc->onumplan,plan=1,present=bc->pres,screen=bc->screen;
00285       enc_ie_calling_pn(&setup->CALLING_PN, msg, type, plan, present,
00286               screen, bc->oad, nt, bc);
00287    }
00288   
00289    {
00290       if (bc->dad[0])
00291          enc_ie_called_pn(&setup->CALLED_PN, msg, bc->dnumplan, 1, bc->dad, nt,bc);
00292    }
00293 
00294    {
00295       if (bc->rad[0])
00296          enc_ie_redir_nr(&setup->REDIR_NR, msg, 1, 1,  bc->pres, bc->screen, 0, bc->rad, nt,bc);
00297    }
00298 
00299    {
00300       if (bc->keypad[0])
00301          enc_ie_keypad(&setup->KEYPAD, msg, bc->keypad, nt,bc);
00302    }
00303    
00304   
00305    if (*bc->display) {
00306       enc_ie_display(&setup->DISPLAY, msg, bc->display, nt,bc);
00307    }
00308   
00309    {
00310       int coding=0, capability, mode=0 /*  2 for packet ! */
00311          ,user, rate=0x10;
00312 
00313       switch (bc->law) {
00314       case INFO_CODEC_ULAW: user=2;
00315          break;
00316       case INFO_CODEC_ALAW: user=3;
00317          break;
00318       default:
00319          user=3;
00320       }
00321       
00322       switch (bc->capability) {
00323       case INFO_CAPABILITY_SPEECH: capability = 0;
00324          break;
00325       case INFO_CAPABILITY_DIGITAL_UNRESTRICTED: capability = 8;
00326          user=-1;
00327          mode=bc->mode;
00328          rate=bc->rate;
00329          break;
00330       case INFO_CAPABILITY_DIGITAL_RESTRICTED: capability = 9;
00331          user=-1;
00332          break;
00333       default:
00334          capability=bc->capability; 
00335       }
00336       
00337       
00338     
00339       enc_ie_bearer(&setup->BEARER, msg, coding, capability, mode, rate, -1, user, nt,bc);
00340    }
00341 
00342    if (bc->sending_complete) {
00343       enc_ie_complete(&setup->BEARER,msg, bc->sending_complete, nt, bc);
00344    }
00345   
00346    {
00347       int  protocol=4;
00348       enc_ie_useruser(&setup->USER_USER, msg, protocol, bc->uu, bc->uulen, nt,bc);
00349       if (bc->uulen) cb_log(1,bc->port,"ENCODING USERUESRINFO:%s\n",bc->uu);
00350       else
00351       cb_log(1,bc->port,"NO USERUESRINFO ENCODED\n");
00352    }
00353 
00354 #if DEBUG 
00355    printf("Building SETUP Msg\n"); 
00356 #endif
00357    return msg; 
00358 }
00359 
00360 static void parse_connect (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00361 {
00362    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00363    CONNECT_t *connect=(CONNECT_t*)((unsigned long)(msg->data+HEADER_LEN));
00364   
00365    int plan,pres,screen;
00366    
00367    bc->ces = connect->ces;
00368    bc->ces = connect->ces;
00369 
00370    dec_ie_progress(connect->PROGRESS, (Q931_info_t *)connect, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
00371 
00372    dec_ie_connected_pn(connect->CONNECT_PN,(Q931_info_t *)connect, &bc->cpnnumplan, &plan, &pres, &screen, bc->cad, 31, nt, bc);
00373 
00374    /*
00375       cb_log(1,bc->port,"CONNETED PN: %s cpn_dialplan:%d\n", connected_pn, type);
00376    */
00377    
00378 #if DEBUG 
00379    printf("Parsing CONNECT Msg\n"); 
00380 #endif
00381 }
00382 
00383 static msg_t *build_connect (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00384 {
00385    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00386    CONNECT_t *connect;
00387    msg_t *msg =(msg_t*)create_l3msg(CC_CONNECT | REQUEST, MT_CONNECT,  bc?bc->l3_id:-1, sizeof(CONNECT_t) ,nt); 
00388    
00389    cb_log(6,bc->port,"BUILD_CONNECT: bc:%p bc->l3id:%d, nt:%d\n",bc,bc->l3_id,nt);
00390 
00391    connect=(CONNECT_t*)((msg->data+HEADER_LEN)); 
00392 
00393    if (nt) {
00394       time_t now;
00395       time(&now);
00396       enc_ie_date(&connect->DATE, msg, now, nt,bc);
00397    }
00398   
00399    {
00400       int type=bc->cpnnumplan, plan=1, present=2, screen=0;
00401       enc_ie_connected_pn(&connect->CONNECT_PN, msg, type,plan, present, screen, bc->cad, nt , bc);
00402    }
00403 
00404 #if DEBUG 
00405    printf("Building CONNECT Msg\n"); 
00406 #endif
00407    return msg; 
00408 }
00409 
00410 static void parse_setup_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00411 {
00412    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00413    SETUP_ACKNOWLEDGE_t *setup_acknowledge=(SETUP_ACKNOWLEDGE_t*)((unsigned long)(msg->data+HEADER_LEN));
00414 
00415    {
00416       int  exclusive, channel;
00417       dec_ie_channel_id(setup_acknowledge->CHANNEL_ID, (Q931_info_t *)setup_acknowledge, &exclusive, &channel, nt,bc);
00418 
00419 
00420       set_channel(bc, channel);
00421    }
00422    
00423    dec_ie_progress(setup_acknowledge->PROGRESS, (Q931_info_t *)setup_acknowledge, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
00424 #if DEBUG 
00425    printf("Parsing SETUP_ACKNOWLEDGE Msg\n"); 
00426 #endif
00427 
00428  
00429 }
00430 
00431 static msg_t *build_setup_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00432 {
00433    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00434    SETUP_ACKNOWLEDGE_t *setup_acknowledge;
00435    msg_t *msg =(msg_t*)create_l3msg(CC_SETUP_ACKNOWLEDGE | REQUEST, MT_SETUP_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(SETUP_ACKNOWLEDGE_t) ,nt); 
00436  
00437    setup_acknowledge=(SETUP_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
00438   
00439    enc_ie_channel_id(&setup_acknowledge->CHANNEL_ID, msg, 1,bc->channel, nt,bc);
00440   
00441    if (nt) 
00442       enc_ie_progress(&setup_acknowledge->PROGRESS, msg, 0, nt?1:5, 8, nt,bc);
00443   
00444 #if DEBUG 
00445    printf("Building SETUP_ACKNOWLEDGE Msg\n"); 
00446 #endif
00447    return msg; 
00448 }
00449 
00450 static void parse_connect_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00451 {
00452 #if DEBUG 
00453    printf("Parsing CONNECT_ACKNOWLEDGE Msg\n"); 
00454 #endif
00455 
00456  
00457 }
00458 
00459 static msg_t *build_connect_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00460 {
00461    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00462    CONNECT_ACKNOWLEDGE_t *connect_acknowledge;
00463    msg_t *msg =(msg_t*)create_l3msg(CC_CONNECT | RESPONSE, MT_CONNECT,  bc?bc->l3_id:-1, sizeof(CONNECT_ACKNOWLEDGE_t) ,nt); 
00464  
00465    connect_acknowledge=(CONNECT_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
00466   
00467    enc_ie_channel_id(&connect_acknowledge->CHANNEL_ID, msg, 1, bc->channel, nt,bc);
00468   
00469 #if DEBUG 
00470    printf("Building CONNECT_ACKNOWLEDGE Msg\n"); 
00471 #endif
00472    return msg; 
00473 }
00474 
00475 static void parse_user_information (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00476 {
00477 #if DEBUG 
00478    printf("Parsing USER_INFORMATION Msg\n"); 
00479 #endif
00480 
00481  
00482 }
00483 
00484 static msg_t *build_user_information (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00485 {
00486    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00487    USER_INFORMATION_t *user_information;
00488    msg_t *msg =(msg_t*)create_l3msg(CC_USER_INFORMATION | REQUEST, MT_USER_INFORMATION,  bc?bc->l3_id:-1, sizeof(USER_INFORMATION_t) ,nt); 
00489  
00490    user_information=(USER_INFORMATION_t*)((msg->data+HEADER_LEN)); 
00491 
00492 #if DEBUG 
00493    printf("Building USER_INFORMATION Msg\n"); 
00494 #endif
00495    return msg; 
00496 }
00497 
00498 static void parse_suspend_reject (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00499 {
00500 #if DEBUG 
00501    printf("Parsing SUSPEND_REJECT Msg\n"); 
00502 #endif
00503 
00504  
00505 }
00506 
00507 static msg_t *build_suspend_reject (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00508 {
00509    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00510    SUSPEND_REJECT_t *suspend_reject;
00511    msg_t *msg =(msg_t*)create_l3msg(CC_SUSPEND_REJECT | REQUEST, MT_SUSPEND_REJECT,  bc?bc->l3_id:-1, sizeof(SUSPEND_REJECT_t) ,nt); 
00512  
00513    suspend_reject=(SUSPEND_REJECT_t*)((msg->data+HEADER_LEN)); 
00514 
00515 #if DEBUG 
00516    printf("Building SUSPEND_REJECT Msg\n"); 
00517 #endif
00518    return msg; 
00519 }
00520 
00521 static void parse_resume_reject (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00522 {
00523 #if DEBUG 
00524    printf("Parsing RESUME_REJECT Msg\n"); 
00525 #endif
00526 
00527  
00528 }
00529 
00530 static msg_t *build_resume_reject (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00531 {
00532    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00533    RESUME_REJECT_t *resume_reject;
00534    msg_t *msg =(msg_t*)create_l3msg(CC_RESUME_REJECT | REQUEST, MT_RESUME_REJECT,  bc?bc->l3_id:-1, sizeof(RESUME_REJECT_t) ,nt); 
00535  
00536    resume_reject=(RESUME_REJECT_t*)((msg->data+HEADER_LEN)); 
00537 
00538 #if DEBUG 
00539    printf("Building RESUME_REJECT Msg\n"); 
00540 #endif
00541    return msg; 
00542 }
00543 
00544 static void parse_hold (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00545 {
00546 #if DEBUG 
00547    printf("Parsing HOLD Msg\n"); 
00548 #endif
00549 
00550  
00551 }
00552 
00553 static msg_t *build_hold (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00554 {
00555    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00556    HOLD_t *hold;
00557    msg_t *msg =(msg_t*)create_l3msg(CC_HOLD | REQUEST, MT_HOLD,  bc?bc->l3_id:-1, sizeof(HOLD_t) ,nt); 
00558  
00559    hold=(HOLD_t*)((msg->data+HEADER_LEN)); 
00560 
00561 #if DEBUG 
00562    printf("Building HOLD Msg\n"); 
00563 #endif
00564    return msg; 
00565 }
00566 
00567 static void parse_suspend (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00568 {
00569 #if DEBUG 
00570    printf("Parsing SUSPEND Msg\n"); 
00571 #endif
00572 
00573  
00574 }
00575 
00576 static msg_t *build_suspend (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00577 {
00578    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00579    SUSPEND_t *suspend;
00580    msg_t *msg =(msg_t*)create_l3msg(CC_SUSPEND | REQUEST, MT_SUSPEND,  bc?bc->l3_id:-1, sizeof(SUSPEND_t) ,nt); 
00581  
00582    suspend=(SUSPEND_t*)((msg->data+HEADER_LEN)); 
00583 
00584 #if DEBUG 
00585    printf("Building SUSPEND Msg\n"); 
00586 #endif
00587    return msg; 
00588 }
00589 
00590 static void parse_resume (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00591 {
00592 #if DEBUG 
00593    printf("Parsing RESUME Msg\n"); 
00594 #endif
00595 
00596  
00597 }
00598 
00599 static msg_t *build_resume (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00600 {
00601    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00602    RESUME_t *resume;
00603    msg_t *msg =(msg_t*)create_l3msg(CC_RESUME | REQUEST, MT_RESUME,  bc?bc->l3_id:-1, sizeof(RESUME_t) ,nt); 
00604  
00605    resume=(RESUME_t*)((msg->data+HEADER_LEN)); 
00606 
00607 #if DEBUG 
00608    printf("Building RESUME Msg\n"); 
00609 #endif
00610    return msg; 
00611 }
00612 
00613 static void parse_hold_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00614 {
00615 #if DEBUG 
00616    printf("Parsing HOLD_ACKNOWLEDGE Msg\n"); 
00617 #endif
00618 
00619  
00620 }
00621 
00622 static msg_t *build_hold_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00623 {
00624    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00625    HOLD_ACKNOWLEDGE_t *hold_acknowledge;
00626    msg_t *msg =(msg_t*)create_l3msg(CC_HOLD_ACKNOWLEDGE | REQUEST, MT_HOLD_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(HOLD_ACKNOWLEDGE_t) ,nt); 
00627  
00628    hold_acknowledge=(HOLD_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
00629 
00630 #if DEBUG 
00631    printf("Building HOLD_ACKNOWLEDGE Msg\n"); 
00632 #endif
00633    return msg; 
00634 }
00635 
00636 static void parse_suspend_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00637 {
00638 #if DEBUG 
00639    printf("Parsing SUSPEND_ACKNOWLEDGE Msg\n"); 
00640 #endif
00641 
00642  
00643 }
00644 
00645 static msg_t *build_suspend_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00646 {
00647    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00648    SUSPEND_ACKNOWLEDGE_t *suspend_acknowledge;
00649    msg_t *msg =(msg_t*)create_l3msg(CC_SUSPEND_ACKNOWLEDGE | REQUEST, MT_SUSPEND_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(SUSPEND_ACKNOWLEDGE_t) ,nt); 
00650  
00651    suspend_acknowledge=(SUSPEND_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
00652 
00653 #if DEBUG 
00654    printf("Building SUSPEND_ACKNOWLEDGE Msg\n"); 
00655 #endif
00656    return msg; 
00657 }
00658 
00659 static void parse_resume_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00660 {
00661 #if DEBUG 
00662    printf("Parsing RESUME_ACKNOWLEDGE Msg\n"); 
00663 #endif
00664 
00665  
00666 }
00667 
00668 static msg_t *build_resume_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00669 {
00670    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00671    RESUME_ACKNOWLEDGE_t *resume_acknowledge;
00672    msg_t *msg =(msg_t*)create_l3msg(CC_RESUME_ACKNOWLEDGE | REQUEST, MT_RESUME_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(RESUME_ACKNOWLEDGE_t) ,nt); 
00673  
00674    resume_acknowledge=(RESUME_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
00675 
00676 #if DEBUG 
00677    printf("Building RESUME_ACKNOWLEDGE Msg\n"); 
00678 #endif
00679    return msg; 
00680 }
00681 
00682 static void parse_hold_reject (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00683 {
00684 #if DEBUG 
00685    printf("Parsing HOLD_REJECT Msg\n"); 
00686 #endif
00687 
00688  
00689 }
00690 
00691 static msg_t *build_hold_reject (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00692 {
00693    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00694    HOLD_REJECT_t *hold_reject;
00695    msg_t *msg =(msg_t*)create_l3msg(CC_HOLD_REJECT | REQUEST, MT_HOLD_REJECT,  bc?bc->l3_id:-1, sizeof(HOLD_REJECT_t) ,nt); 
00696  
00697    hold_reject=(HOLD_REJECT_t*)((msg->data+HEADER_LEN)); 
00698 
00699 #if DEBUG 
00700    printf("Building HOLD_REJECT Msg\n"); 
00701 #endif
00702    return msg; 
00703 }
00704 
00705 static void parse_retrieve (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00706 {
00707 #if DEBUG 
00708    printf("Parsing RETRIEVE Msg\n"); 
00709 #endif
00710 
00711  
00712 }
00713 
00714 static msg_t *build_retrieve (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00715 {
00716    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00717    RETRIEVE_t *retrieve;
00718    msg_t *msg =(msg_t*)create_l3msg(CC_RETRIEVE | REQUEST, MT_RETRIEVE,  bc?bc->l3_id:-1, sizeof(RETRIEVE_t) ,nt); 
00719  
00720    retrieve=(RETRIEVE_t*)((msg->data+HEADER_LEN)); 
00721 
00722 #if DEBUG 
00723    printf("Building RETRIEVE Msg\n"); 
00724 #endif
00725    return msg; 
00726 }
00727 
00728 static void parse_retrieve_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00729 {
00730 #if DEBUG 
00731    printf("Parsing RETRIEVE_ACKNOWLEDGE Msg\n"); 
00732 #endif
00733 
00734  
00735 }
00736 
00737 static msg_t *build_retrieve_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00738 {
00739    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00740    RETRIEVE_ACKNOWLEDGE_t *retrieve_acknowledge;
00741    msg_t *msg =(msg_t*)create_l3msg(CC_RETRIEVE_ACKNOWLEDGE | REQUEST, MT_RETRIEVE_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(RETRIEVE_ACKNOWLEDGE_t) ,nt); 
00742  
00743    retrieve_acknowledge=(RETRIEVE_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
00744 
00745    enc_ie_channel_id(&retrieve_acknowledge->CHANNEL_ID, msg, 1, bc->channel, nt,bc);
00746 #if DEBUG 
00747    printf("Building RETRIEVE_ACKNOWLEDGE Msg\n"); 
00748 #endif
00749    return msg; 
00750 }
00751 
00752 static void parse_retrieve_reject (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00753 {
00754 #if DEBUG 
00755    printf("Parsing RETRIEVE_REJECT Msg\n"); 
00756 #endif
00757 
00758  
00759 }
00760 
00761 static msg_t *build_retrieve_reject (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00762 {
00763    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00764    RETRIEVE_REJECT_t *retrieve_reject;
00765    msg_t *msg =(msg_t*)create_l3msg(CC_RETRIEVE_REJECT | REQUEST, MT_RETRIEVE_REJECT,  bc?bc->l3_id:-1, sizeof(RETRIEVE_REJECT_t) ,nt); 
00766  
00767    retrieve_reject=(RETRIEVE_REJECT_t*)((msg->data+HEADER_LEN)); 
00768 
00769 #if DEBUG 
00770    printf("Building RETRIEVE_REJECT Msg\n"); 
00771 #endif
00772    return msg; 
00773 }
00774 
00775 static void parse_disconnect (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00776 {
00777    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00778    DISCONNECT_t *disconnect=(DISCONNECT_t*)((unsigned long)(msg->data+HEADER_LEN));
00779    int location;
00780    int cause; 
00781    dec_ie_cause(disconnect->CAUSE, (Q931_info_t *)(disconnect), &location, &cause, nt,bc);
00782    if (cause>0) bc->cause=cause;
00783 
00784    dec_ie_progress(disconnect->PROGRESS, (Q931_info_t *)disconnect, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
00785 #if DEBUG 
00786    printf("Parsing DISCONNECT Msg\n"); 
00787 #endif
00788 
00789  
00790 }
00791 
00792 static msg_t *build_disconnect (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00793 {
00794    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00795    DISCONNECT_t *disconnect;
00796    msg_t *msg =(msg_t*)create_l3msg(CC_DISCONNECT | REQUEST, MT_DISCONNECT,  bc?bc->l3_id:-1, sizeof(DISCONNECT_t) ,nt); 
00797    
00798    disconnect=(DISCONNECT_t*)((msg->data+HEADER_LEN)); 
00799    
00800    enc_ie_cause(&disconnect->CAUSE, msg, (nt)?1:0, bc->out_cause,nt,bc);
00801    if (nt) enc_ie_progress(&disconnect->PROGRESS, msg, 0, nt?1:5, 8 ,nt,bc);
00802   
00803 #if DEBUG 
00804    printf("Building DISCONNECT Msg\n"); 
00805 #endif
00806    return msg; 
00807 }
00808 
00809 static void parse_restart (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00810 {
00811    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00812    RESTART_t *restart=(RESTART_t*)((unsigned long)(msg->data+HEADER_LEN));
00813 
00814    struct misdn_stack *stack=get_stack_by_bc(bc);
00815    
00816 #if DEBUG 
00817    printf("Parsing RESTART Msg\n");
00818 #endif
00819   
00820    {
00821       int  exclusive, channel = 0;
00822       dec_ie_channel_id(restart->CHANNEL_ID, (Q931_info_t *)restart, &exclusive, &bc->restart_channel, nt,bc);
00823       /* XXX: this is broken... channel is not used */
00824       if (channel==0xff) /* any channel */
00825          channel=-1;
00826       cb_log(3, stack->port, "CC_RESTART Request on channel:%d on this port.\n");
00827    }
00828   
00829  
00830 }
00831 
00832 static msg_t *build_restart (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00833 {
00834    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00835    RESTART_t *restart;
00836    msg_t *msg =(msg_t*)create_l3msg(CC_RESTART | REQUEST, MT_RESTART,  bc?bc->l3_id:-1, sizeof(RESTART_t) ,nt); 
00837  
00838    restart=(RESTART_t*)((msg->data+HEADER_LEN)); 
00839    
00840 #if DEBUG 
00841    printf("Building RESTART Msg\n"); 
00842 #endif
00843    enc_ie_channel_id(&restart->CHANNEL_ID, msg, 1,bc->channel, nt,bc);
00844 
00845    cb_log(0,bc->port, "Restarting channel %d\n", bc->channel);
00846    
00847    return msg; 
00848 }
00849 
00850 static void parse_release (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00851 {
00852    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00853    RELEASE_t *release=(RELEASE_t*)((unsigned long)(msg->data+HEADER_LEN));
00854    int location;
00855    int cause;
00856   
00857    dec_ie_cause(release->CAUSE, (Q931_info_t *)(release), &location, &cause, nt,bc);
00858    if (cause>0) bc->cause=cause;
00859 #if DEBUG 
00860    printf("Parsing RELEASE Msg\n"); 
00861 #endif
00862 
00863  
00864 }
00865 
00866 static msg_t *build_release (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00867 {
00868    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00869    RELEASE_t *release;
00870    msg_t *msg =(msg_t*)create_l3msg(CC_RELEASE | REQUEST, MT_RELEASE,  bc?bc->l3_id:-1, sizeof(RELEASE_t) ,nt); 
00871  
00872    release=(RELEASE_t*)((msg->data+HEADER_LEN)); 
00873   
00874    if (bc->out_cause>= 0)
00875       enc_ie_cause(&release->CAUSE, msg, nt?1:0, bc->out_cause, nt,bc);
00876   
00877 #if DEBUG 
00878    printf("Building RELEASE Msg\n"); 
00879 #endif
00880    return msg; 
00881 }
00882 
00883 static void parse_release_complete (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00884 {
00885    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00886    RELEASE_COMPLETE_t *release_complete=(RELEASE_COMPLETE_t*)((unsigned long)(msg->data+HEADER_LEN));
00887    int location;
00888    int cause;
00889    iframe_t *frm = (iframe_t*) msg->data;
00890 
00891    struct misdn_stack *stack=get_stack_by_bc(bc);
00892    mISDNuser_head_t *hh;
00893    hh=(mISDNuser_head_t*)msg->data;
00894 
00895    /*hh=(mISDN_head_t*)msg->data;
00896    mISDN_head_t *hh;*/
00897 
00898    if (nt) {
00899       if (hh->prim == (CC_RELEASE_COMPLETE|CONFIRM)) {
00900          cb_log(0, stack->port, "CC_RELEASE_COMPLETE|CONFIRM [NT] \n");
00901          return;
00902       }
00903    } else {
00904       if (frm->prim == (CC_RELEASE_COMPLETE|CONFIRM)) {
00905          cb_log(0, stack->port, "CC_RELEASE_COMPLETE|CONFIRM [TE] \n");
00906          return;
00907       }
00908    }
00909    dec_ie_cause(release_complete->CAUSE, (Q931_info_t *)(release_complete), &location, &cause, nt,bc);
00910    if (cause>0) bc->cause=cause;
00911 
00912 #if DEBUG 
00913    printf("Parsing RELEASE_COMPLETE Msg\n"); 
00914 #endif
00915 }
00916 
00917 static msg_t *build_release_complete (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00918 {
00919    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00920    RELEASE_COMPLETE_t *release_complete;
00921    msg_t *msg =(msg_t*)create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE,  bc?bc->l3_id:-1, sizeof(RELEASE_COMPLETE_t) ,nt); 
00922  
00923    release_complete=(RELEASE_COMPLETE_t*)((msg->data+HEADER_LEN)); 
00924    
00925    enc_ie_cause(&release_complete->CAUSE, msg, nt?1:0, bc->out_cause, nt,bc);
00926   
00927 #if DEBUG 
00928    printf("Building RELEASE_COMPLETE Msg\n"); 
00929 #endif
00930    return msg; 
00931 }
00932 
00933 static void parse_facility (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00934 {
00935    int HEADER_LEN = nt ? mISDNUSER_HEAD_SIZE : mISDN_HEADER_LEN;
00936    FACILITY_t *facility = (FACILITY_t*)(msg->data+HEADER_LEN); 
00937    Q931_info_t *qi = (Q931_info_t*)(msg->data+HEADER_LEN);  
00938    unsigned char *p = NULL;
00939    int err;
00940 
00941 #if DEBUG 
00942    printf("Parsing FACILITY Msg\n"); 
00943 #endif
00944 
00945    if (!bc->nt) {
00946       if (qi->QI_ELEMENT(facility))
00947          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(facility) + 1;
00948    } else {
00949       p = facility->FACILITY;
00950    }
00951    if (!p)
00952       return;
00953    
00954    err = decodeFac(p, &(bc->fac_in));
00955    if (err) {
00956       cb_log(1, bc->port, "Decoding FACILITY failed! (%d)\n", err);
00957    }
00958 }
00959 
00960 static msg_t *build_facility (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00961 {
00962    int len,
00963       HEADER_LEN = nt ? mISDNUSER_HEAD_SIZE : mISDN_HEADER_LEN;
00964    unsigned char *ie_fac,
00965               fac_tmp[256];
00966    msg_t *msg =(msg_t*)create_l3msg(CC_FACILITY | REQUEST, MT_FACILITY,  bc?bc->l3_id:-1, sizeof(FACILITY_t) ,nt);
00967    FACILITY_t *facility = (FACILITY_t*)(msg->data+HEADER_LEN); 
00968    Q931_info_t *qi;
00969 
00970 #if DEBUG 
00971    printf("Building FACILITY Msg\n"); 
00972 #endif
00973    
00974    len = encodeFac(fac_tmp, &(bc->fac_out));
00975    if (len <= 0)
00976       return NULL;
00977 
00978    ie_fac = msg_put(msg, len);
00979    if (bc->nt) {
00980       facility->FACILITY = ie_fac + 1;
00981    } else {
00982       qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
00983       qi->QI_ELEMENT(facility) = ie_fac - (unsigned char *)qi - sizeof(Q931_info_t);
00984    }
00985 
00986    memcpy(ie_fac, fac_tmp, len);
00987 
00988    if (*bc->display) {
00989       printf("Sending %s as Display\n", bc->display);
00990       enc_ie_display(&facility->DISPLAY, msg, bc->display, nt,bc);
00991    }
00992 
00993    return msg; 
00994 }
00995 
00996 static void parse_notify (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00997 {
00998 #if DEBUG 
00999    printf("Parsing NOTIFY Msg\n"); 
01000 #endif
01001 }
01002 
01003 static msg_t *build_notify (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
01004 {
01005    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01006    NOTIFY_t *notify;
01007    msg_t *msg =(msg_t*)create_l3msg(CC_NOTIFY | REQUEST, MT_NOTIFY,  bc?bc->l3_id:-1, sizeof(NOTIFY_t) ,nt); 
01008  
01009    notify=(NOTIFY_t*)((msg->data+HEADER_LEN)); 
01010 
01011 #if DEBUG 
01012    printf("Building NOTIFY Msg\n"); 
01013 #endif
01014    return msg; 
01015 }
01016 
01017 static void parse_status_enquiry (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
01018 {
01019 #if DEBUG 
01020    printf("Parsing STATUS_ENQUIRY Msg\n"); 
01021 #endif
01022 }
01023 
01024 static msg_t *build_status_enquiry (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
01025 {
01026    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01027    STATUS_ENQUIRY_t *status_enquiry;
01028    msg_t *msg =(msg_t*)create_l3msg(CC_STATUS_ENQUIRY | REQUEST, MT_STATUS_ENQUIRY,  bc?bc->l3_id:-1, sizeof(STATUS_ENQUIRY_t) ,nt); 
01029  
01030    status_enquiry=(STATUS_ENQUIRY_t*)((msg->data+HEADER_LEN)); 
01031 
01032 #if DEBUG 
01033    printf("Building STATUS_ENQUIRY Msg\n"); 
01034 #endif
01035    return msg; 
01036 }
01037 
01038 static void parse_information (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
01039 {
01040    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01041    INFORMATION_t *information=(INFORMATION_t*)((unsigned long)(msg->data+HEADER_LEN));
01042    {
01043       int  type, plan;
01044       char number[32];
01045       char keypad[32];
01046       dec_ie_called_pn(information->CALLED_PN, (Q931_info_t *)information, &type, &plan, number, sizeof(number)-1, nt, bc);
01047       dec_ie_keypad(information->KEYPAD, (Q931_info_t *)information, keypad, sizeof(keypad)-1, nt, bc);
01048       strcpy(bc->info_dad, number);
01049       strcpy(bc->keypad,keypad);
01050    }
01051 #if DEBUG 
01052    printf("Parsing INFORMATION Msg\n"); 
01053 #endif
01054 }
01055 
01056 static msg_t *build_information (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
01057 {
01058    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01059    INFORMATION_t *information;
01060    msg_t *msg =(msg_t*)create_l3msg(CC_INFORMATION | REQUEST, MT_INFORMATION,  bc?bc->l3_id:-1, sizeof(INFORMATION_t) ,nt); 
01061  
01062    information=(INFORMATION_t*)((msg->data+HEADER_LEN)); 
01063   
01064    {
01065       enc_ie_called_pn(&information->CALLED_PN, msg, 0, 1, bc->info_dad, nt,bc);
01066    }
01067 
01068    {
01069       if (*bc->display) {
01070          printf("Sending %s as Display\n", bc->display);
01071          enc_ie_display(&information->DISPLAY, msg, bc->display, nt,bc);
01072       }
01073    }
01074   
01075 #if DEBUG 
01076    printf("Building INFORMATION Msg\n"); 
01077 #endif
01078    return msg; 
01079 }
01080 
01081 static void parse_status (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
01082 {
01083    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01084    STATUS_t *status=(STATUS_t*)((unsigned long)(msg->data+HEADER_LEN));
01085    int location;
01086    int cause;
01087   
01088    dec_ie_cause(status->CAUSE, (Q931_info_t *)(status), &location, &cause, nt,bc);
01089    if (cause>0) bc->cause=cause;
01090    ;
01091 
01092 #if DEBUG 
01093    printf("Parsing STATUS Msg\n"); 
01094 #endif
01095 }
01096 
01097 static msg_t *build_status (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
01098 {
01099    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01100    STATUS_t *status;
01101    msg_t *msg =(msg_t*)create_l3msg(CC_STATUS | REQUEST, MT_STATUS,  bc?bc->l3_id:-1, sizeof(STATUS_t) ,nt); 
01102  
01103    status=(STATUS_t*)((msg->data+HEADER_LEN)); 
01104 
01105 #if DEBUG 
01106    printf("Building STATUS Msg\n"); 
01107 #endif
01108    return msg; 
01109 }
01110 
01111 static void parse_timeout (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
01112 {
01113 #if DEBUG 
01114    printf("Parsing STATUS Msg\n"); 
01115 #endif 
01116 }
01117 
01118 static msg_t *build_timeout (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
01119 {
01120    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01121    STATUS_t *status;
01122    msg_t *msg =(msg_t*)create_l3msg(CC_STATUS | REQUEST, MT_STATUS,  bc?bc->l3_id:-1, sizeof(STATUS_t) ,nt); 
01123  
01124    status=(STATUS_t*)((msg->data+HEADER_LEN)); 
01125 
01126 #if DEBUG 
01127    printf("Building STATUS Msg\n"); 
01128 #endif
01129    return msg; 
01130 }
01131 
01132 
01133 /************************************/
01134 
01135 
01136 
01137 
01138 /** Msg Array **/
01139 
01140 struct isdn_msg msgs_g[] = {
01141    {CC_PROCEEDING,L3,EVENT_PROCEEDING,
01142     parse_proceeding,build_proceeding,
01143     "PROCEEDING"},
01144    {CC_ALERTING,L3,EVENT_ALERTING,
01145     parse_alerting,build_alerting,
01146     "ALERTING"},
01147    {CC_PROGRESS,L3,EVENT_PROGRESS,
01148     parse_progress,build_progress,
01149     "PROGRESS"},
01150    {CC_SETUP,L3,EVENT_SETUP,
01151     parse_setup,build_setup,
01152     "SETUP"},
01153    {CC_CONNECT,L3,EVENT_CONNECT,
01154     parse_connect,build_connect,
01155     "CONNECT"},
01156    {CC_SETUP_ACKNOWLEDGE,L3,EVENT_SETUP_ACKNOWLEDGE,
01157     parse_setup_acknowledge,build_setup_acknowledge,
01158     "SETUP_ACKNOWLEDGE"},
01159    {CC_CONNECT_ACKNOWLEDGE ,L3,EVENT_CONNECT_ACKNOWLEDGE ,
01160     parse_connect_acknowledge ,build_connect_acknowledge,
01161     "CONNECT_ACKNOWLEDGE "},
01162    {CC_USER_INFORMATION,L3,EVENT_USER_INFORMATION,
01163     parse_user_information,build_user_information,
01164     "USER_INFORMATION"},
01165    {CC_SUSPEND_REJECT,L3,EVENT_SUSPEND_REJECT,
01166     parse_suspend_reject,build_suspend_reject,
01167     "SUSPEND_REJECT"},
01168    {CC_RESUME_REJECT,L3,EVENT_RESUME_REJECT,
01169     parse_resume_reject,build_resume_reject,
01170     "RESUME_REJECT"},
01171    {CC_HOLD,L3,EVENT_HOLD,
01172     parse_hold,build_hold,
01173     "HOLD"},
01174    {CC_SUSPEND,L3,EVENT_SUSPEND,
01175     parse_suspend,build_suspend,
01176     "SUSPEND"},
01177    {CC_RESUME,L3,EVENT_RESUME,
01178     parse_resume,build_resume,
01179     "RESUME"},
01180    {CC_HOLD_ACKNOWLEDGE,L3,EVENT_HOLD_ACKNOWLEDGE,
01181     parse_hold_acknowledge,build_hold_acknowledge,
01182     "HOLD_ACKNOWLEDGE"},
01183    {CC_SUSPEND_ACKNOWLEDGE,L3,EVENT_SUSPEND_ACKNOWLEDGE,
01184     parse_suspend_acknowledge,build_suspend_acknowledge,
01185     "SUSPEND_ACKNOWLEDGE"},
01186    {CC_RESUME_ACKNOWLEDGE,L3,EVENT_RESUME_ACKNOWLEDGE,
01187     parse_resume_acknowledge,build_resume_acknowledge,
01188     "RESUME_ACKNOWLEDGE"},
01189    {CC_HOLD_REJECT,L3,EVENT_HOLD_REJECT,
01190     parse_hold_reject,build_hold_reject,
01191     "HOLD_REJECT"},
01192    {CC_RETRIEVE,L3,EVENT_RETRIEVE,
01193     parse_retrieve,build_retrieve,
01194     "RETRIEVE"},
01195    {CC_RETRIEVE_ACKNOWLEDGE,L3,EVENT_RETRIEVE_ACKNOWLEDGE,
01196     parse_retrieve_acknowledge,build_retrieve_acknowledge,
01197     "RETRIEVE_ACKNOWLEDGE"},
01198    {CC_RETRIEVE_REJECT,L3,EVENT_RETRIEVE_REJECT,
01199     parse_retrieve_reject,build_retrieve_reject,
01200     "RETRIEVE_REJECT"},
01201    {CC_DISCONNECT,L3,EVENT_DISCONNECT,
01202     parse_disconnect,build_disconnect,
01203     "DISCONNECT"},
01204    {CC_RESTART,L3,EVENT_RESTART,
01205     parse_restart,build_restart,
01206     "RESTART"},
01207    {CC_RELEASE,L3,EVENT_RELEASE,
01208     parse_release,build_release,
01209     "RELEASE"},
01210    {CC_RELEASE_COMPLETE,L3,EVENT_RELEASE_COMPLETE,
01211     parse_release_complete,build_release_complete,
01212     "RELEASE_COMPLETE"},
01213    {CC_FACILITY,L3,EVENT_FACILITY,
01214     parse_facility,build_facility,
01215     "FACILITY"},
01216    {CC_NOTIFY,L3,EVENT_NOTIFY,
01217     parse_notify,build_notify,
01218     "NOTIFY"},
01219    {CC_STATUS_ENQUIRY,L3,EVENT_STATUS_ENQUIRY,
01220     parse_status_enquiry,build_status_enquiry,
01221     "STATUS_ENQUIRY"},
01222    {CC_INFORMATION,L3,EVENT_INFORMATION,
01223     parse_information,build_information,
01224     "INFORMATION"},
01225    {CC_STATUS,L3,EVENT_STATUS,
01226     parse_status,build_status,
01227     "STATUS"},
01228    {CC_TIMEOUT,L3,EVENT_TIMEOUT,
01229     parse_timeout,build_timeout,
01230     "TIMEOUT"},
01231    {0,0,0,NULL,NULL,NULL}
01232 };
01233 
01234 #define msgs_max (sizeof(msgs_g)/sizeof(struct isdn_msg))
01235 
01236 /** INTERFACE FCTS ***/
01237 int isdn_msg_get_index(struct isdn_msg msgs[], msg_t *msg, int nt)
01238 {
01239    int i;
01240 
01241    if (nt){
01242       mISDNuser_head_t *hh = (mISDNuser_head_t*)msg->data;
01243       
01244       for (i=0; i< msgs_max -1; i++) {
01245          if ( (hh->prim&COMMAND_MASK)==(msgs[i].misdn_msg&COMMAND_MASK)) return i;
01246       }
01247       
01248    } else {
01249       iframe_t *frm = (iframe_t*)msg->data;
01250     
01251       for (i=0; i< msgs_max -1; i++) 
01252          if ( (frm->prim&COMMAND_MASK)==(msgs[i].misdn_msg&COMMAND_MASK)) return i;
01253    }
01254 
01255    return -1;
01256 }
01257 
01258 int isdn_msg_get_index_by_event(struct isdn_msg msgs[], enum event_e event, int nt)
01259 {
01260    int i;
01261    for (i=0; i< msgs_max; i++) 
01262       if ( event == msgs[i].event) return i;
01263 
01264    cb_log(10,0, "get_index: event not found!\n");
01265    
01266    return -1;
01267 }
01268 
01269 enum event_e isdn_msg_get_event(struct isdn_msg msgs[], msg_t *msg, int nt)
01270 {
01271    int i=isdn_msg_get_index(msgs, msg, nt);
01272    if(i>=0) return msgs[i].event;
01273    return EVENT_UNKNOWN;
01274 }
01275 
01276 char * isdn_msg_get_info(struct isdn_msg msgs[], msg_t *msg, int nt)
01277 {
01278    int i=isdn_msg_get_index(msgs, msg, nt);
01279    if(i>=0) return msgs[i].info;
01280    return NULL;
01281 }
01282 
01283 
01284 char EVENT_CLEAN_INFO[] = "CLEAN_UP";
01285 char EVENT_DTMF_TONE_INFO[] = "DTMF_TONE";
01286 char EVENT_NEW_L3ID_INFO[] = "NEW_L3ID";
01287 char EVENT_NEW_BC_INFO[] = "NEW_BC";
01288 char EVENT_PORT_ALARM_INFO[] = "ALARM";
01289 char EVENT_NEW_CHANNEL_INFO[] = "NEW_CHANNEL";
01290 char EVENT_BCHAN_DATA_INFO[] = "BCHAN_DATA";
01291 char EVENT_BCHAN_ACTIVATED_INFO[] = "BCHAN_ACTIVATED";
01292 char EVENT_TONE_GENERATE_INFO[] = "TONE_GENERATE";
01293 char EVENT_BCHAN_ERROR_INFO[] = "BCHAN_ERROR";
01294 
01295 char * isdn_get_info(struct isdn_msg msgs[], enum event_e event, int nt)
01296 {
01297    int i=isdn_msg_get_index_by_event(msgs, event, nt);
01298    
01299    if(i>=0) return msgs[i].info;
01300    
01301    if (event == EVENT_CLEANUP) return EVENT_CLEAN_INFO;
01302    if (event == EVENT_DTMF_TONE) return EVENT_DTMF_TONE_INFO;
01303    if (event == EVENT_NEW_L3ID) return EVENT_NEW_L3ID_INFO;
01304    if (event == EVENT_NEW_BC) return EVENT_NEW_BC_INFO;
01305    if (event == EVENT_NEW_CHANNEL) return EVENT_NEW_CHANNEL_INFO;
01306    if (event == EVENT_BCHAN_DATA) return EVENT_BCHAN_DATA_INFO;
01307    if (event == EVENT_BCHAN_ACTIVATED) return EVENT_BCHAN_ACTIVATED_INFO;
01308    if (event == EVENT_TONE_GENERATE) return EVENT_TONE_GENERATE_INFO;
01309    if (event == EVENT_PORT_ALARM) return EVENT_PORT_ALARM_INFO;
01310    if (event == EVENT_BCHAN_ERROR) return EVENT_BCHAN_ERROR_INFO;
01311    
01312    return NULL;
01313 }
01314 
01315 int isdn_msg_parse_event(struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt)
01316 {
01317    int i=isdn_msg_get_index(msgs, msg, nt);
01318    if(i<0) return -1;
01319 
01320    msgs[i].msg_parser(msgs, msg, bc, nt);
01321    return 0;
01322 }
01323 
01324 msg_t * isdn_msg_build_event(struct isdn_msg msgs[], struct misdn_bchannel *bc, enum event_e event, int nt)
01325 {
01326    int i=isdn_msg_get_index_by_event(msgs, event, nt);
01327    if(i<0) return NULL;
01328   
01329    return  msgs[i].msg_builder(msgs, bc, nt);
01330 }

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