Fri Aug 24 02:22:16 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->COMPLETE,msg, bc->sending_complete, nt, bc);
00344    }
00345   
00346    if (bc->uulen) {
00347       int  protocol=4;
00348       enc_ie_useruser(&setup->USER_USER, msg, protocol, bc->uu, bc->uulen, nt,bc);
00349       cb_log(1,bc->port,"ENCODING USERUESRINFO:%s\n",bc->uu);
00350    }
00351 
00352 #if DEBUG 
00353    printf("Building SETUP Msg\n"); 
00354 #endif
00355    return msg; 
00356 }
00357 
00358 static void parse_connect (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00359 {
00360    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00361    CONNECT_t *connect=(CONNECT_t*)((unsigned long)(msg->data+HEADER_LEN));
00362   
00363    int plan,pres,screen;
00364    
00365    bc->ces = connect->ces;
00366    bc->ces = connect->ces;
00367 
00368    dec_ie_progress(connect->PROGRESS, (Q931_info_t *)connect, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
00369 
00370    dec_ie_connected_pn(connect->CONNECT_PN,(Q931_info_t *)connect, &bc->cpnnumplan, &plan, &pres, &screen, bc->cad, 31, nt, bc);
00371 
00372    /*
00373       cb_log(1,bc->port,"CONNETED PN: %s cpn_dialplan:%d\n", connected_pn, type);
00374    */
00375    
00376 #if DEBUG 
00377    printf("Parsing CONNECT Msg\n"); 
00378 #endif
00379 }
00380 
00381 static msg_t *build_connect (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00382 {
00383    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00384    CONNECT_t *connect;
00385    msg_t *msg =(msg_t*)create_l3msg(CC_CONNECT | REQUEST, MT_CONNECT,  bc?bc->l3_id:-1, sizeof(CONNECT_t) ,nt); 
00386    
00387    cb_log(6,bc->port,"BUILD_CONNECT: bc:%p bc->l3id:%d, nt:%d\n",bc,bc->l3_id,nt);
00388 
00389    connect=(CONNECT_t*)((msg->data+HEADER_LEN)); 
00390 
00391    if (nt) {
00392       time_t now;
00393       time(&now);
00394       enc_ie_date(&connect->DATE, msg, now, nt,bc);
00395    }
00396   
00397    {
00398       int type=bc->cpnnumplan, plan=1, present=2, screen=0;
00399       enc_ie_connected_pn(&connect->CONNECT_PN, msg, type,plan, present, screen, bc->cad, nt , bc);
00400    }
00401 
00402 #if DEBUG 
00403    printf("Building CONNECT Msg\n"); 
00404 #endif
00405    return msg; 
00406 }
00407 
00408 static void parse_setup_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00409 {
00410    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00411    SETUP_ACKNOWLEDGE_t *setup_acknowledge=(SETUP_ACKNOWLEDGE_t*)((unsigned long)(msg->data+HEADER_LEN));
00412 
00413    {
00414       int  exclusive, channel;
00415       dec_ie_channel_id(setup_acknowledge->CHANNEL_ID, (Q931_info_t *)setup_acknowledge, &exclusive, &channel, nt,bc);
00416 
00417 
00418       set_channel(bc, channel);
00419    }
00420    
00421    dec_ie_progress(setup_acknowledge->PROGRESS, (Q931_info_t *)setup_acknowledge, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
00422 #if DEBUG 
00423    printf("Parsing SETUP_ACKNOWLEDGE Msg\n"); 
00424 #endif
00425 
00426  
00427 }
00428 
00429 static msg_t *build_setup_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00430 {
00431    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00432    SETUP_ACKNOWLEDGE_t *setup_acknowledge;
00433    msg_t *msg =(msg_t*)create_l3msg(CC_SETUP_ACKNOWLEDGE | REQUEST, MT_SETUP_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(SETUP_ACKNOWLEDGE_t) ,nt); 
00434  
00435    setup_acknowledge=(SETUP_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
00436   
00437    enc_ie_channel_id(&setup_acknowledge->CHANNEL_ID, msg, 1,bc->channel, nt,bc);
00438   
00439    if (nt) 
00440       enc_ie_progress(&setup_acknowledge->PROGRESS, msg, 0, nt?1:5, 8, nt,bc);
00441   
00442 #if DEBUG 
00443    printf("Building SETUP_ACKNOWLEDGE Msg\n"); 
00444 #endif
00445    return msg; 
00446 }
00447 
00448 static void parse_connect_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00449 {
00450 #if DEBUG 
00451    printf("Parsing CONNECT_ACKNOWLEDGE Msg\n"); 
00452 #endif
00453 
00454  
00455 }
00456 
00457 static msg_t *build_connect_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00458 {
00459    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00460    CONNECT_ACKNOWLEDGE_t *connect_acknowledge;
00461    msg_t *msg =(msg_t*)create_l3msg(CC_CONNECT | RESPONSE, MT_CONNECT,  bc?bc->l3_id:-1, sizeof(CONNECT_ACKNOWLEDGE_t) ,nt); 
00462  
00463    connect_acknowledge=(CONNECT_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
00464   
00465    enc_ie_channel_id(&connect_acknowledge->CHANNEL_ID, msg, 1, bc->channel, nt,bc);
00466   
00467 #if DEBUG 
00468    printf("Building CONNECT_ACKNOWLEDGE Msg\n"); 
00469 #endif
00470    return msg; 
00471 }
00472 
00473 static void parse_user_information (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00474 {
00475 #if DEBUG 
00476    printf("Parsing USER_INFORMATION Msg\n"); 
00477 #endif
00478 
00479  
00480 }
00481 
00482 static msg_t *build_user_information (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00483 {
00484    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00485    USER_INFORMATION_t *user_information;
00486    msg_t *msg =(msg_t*)create_l3msg(CC_USER_INFORMATION | REQUEST, MT_USER_INFORMATION,  bc?bc->l3_id:-1, sizeof(USER_INFORMATION_t) ,nt); 
00487  
00488    user_information=(USER_INFORMATION_t*)((msg->data+HEADER_LEN)); 
00489 
00490 #if DEBUG 
00491    printf("Building USER_INFORMATION Msg\n"); 
00492 #endif
00493    return msg; 
00494 }
00495 
00496 static void parse_suspend_reject (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00497 {
00498 #if DEBUG 
00499    printf("Parsing SUSPEND_REJECT Msg\n"); 
00500 #endif
00501 
00502  
00503 }
00504 
00505 static msg_t *build_suspend_reject (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00506 {
00507    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00508    SUSPEND_REJECT_t *suspend_reject;
00509    msg_t *msg =(msg_t*)create_l3msg(CC_SUSPEND_REJECT | REQUEST, MT_SUSPEND_REJECT,  bc?bc->l3_id:-1, sizeof(SUSPEND_REJECT_t) ,nt); 
00510  
00511    suspend_reject=(SUSPEND_REJECT_t*)((msg->data+HEADER_LEN)); 
00512 
00513 #if DEBUG 
00514    printf("Building SUSPEND_REJECT Msg\n"); 
00515 #endif
00516    return msg; 
00517 }
00518 
00519 static void parse_resume_reject (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00520 {
00521 #if DEBUG 
00522    printf("Parsing RESUME_REJECT Msg\n"); 
00523 #endif
00524 
00525  
00526 }
00527 
00528 static msg_t *build_resume_reject (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00529 {
00530    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00531    RESUME_REJECT_t *resume_reject;
00532    msg_t *msg =(msg_t*)create_l3msg(CC_RESUME_REJECT | REQUEST, MT_RESUME_REJECT,  bc?bc->l3_id:-1, sizeof(RESUME_REJECT_t) ,nt); 
00533  
00534    resume_reject=(RESUME_REJECT_t*)((msg->data+HEADER_LEN)); 
00535 
00536 #if DEBUG 
00537    printf("Building RESUME_REJECT Msg\n"); 
00538 #endif
00539    return msg; 
00540 }
00541 
00542 static void parse_hold (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00543 {
00544 #if DEBUG 
00545    printf("Parsing HOLD Msg\n"); 
00546 #endif
00547 
00548  
00549 }
00550 
00551 static msg_t *build_hold (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00552 {
00553    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00554    HOLD_t *hold;
00555    msg_t *msg =(msg_t*)create_l3msg(CC_HOLD | REQUEST, MT_HOLD,  bc?bc->l3_id:-1, sizeof(HOLD_t) ,nt); 
00556  
00557    hold=(HOLD_t*)((msg->data+HEADER_LEN)); 
00558 
00559 #if DEBUG 
00560    printf("Building HOLD Msg\n"); 
00561 #endif
00562    return msg; 
00563 }
00564 
00565 static void parse_suspend (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00566 {
00567 #if DEBUG 
00568    printf("Parsing SUSPEND Msg\n"); 
00569 #endif
00570 
00571  
00572 }
00573 
00574 static msg_t *build_suspend (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00575 {
00576    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00577    SUSPEND_t *suspend;
00578    msg_t *msg =(msg_t*)create_l3msg(CC_SUSPEND | REQUEST, MT_SUSPEND,  bc?bc->l3_id:-1, sizeof(SUSPEND_t) ,nt); 
00579  
00580    suspend=(SUSPEND_t*)((msg->data+HEADER_LEN)); 
00581 
00582 #if DEBUG 
00583    printf("Building SUSPEND Msg\n"); 
00584 #endif
00585    return msg; 
00586 }
00587 
00588 static void parse_resume (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00589 {
00590 #if DEBUG 
00591    printf("Parsing RESUME Msg\n"); 
00592 #endif
00593 
00594  
00595 }
00596 
00597 static msg_t *build_resume (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00598 {
00599    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00600    RESUME_t *resume;
00601    msg_t *msg =(msg_t*)create_l3msg(CC_RESUME | REQUEST, MT_RESUME,  bc?bc->l3_id:-1, sizeof(RESUME_t) ,nt); 
00602  
00603    resume=(RESUME_t*)((msg->data+HEADER_LEN)); 
00604 
00605 #if DEBUG 
00606    printf("Building RESUME Msg\n"); 
00607 #endif
00608    return msg; 
00609 }
00610 
00611 static void parse_hold_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00612 {
00613 #if DEBUG 
00614    printf("Parsing HOLD_ACKNOWLEDGE Msg\n"); 
00615 #endif
00616 
00617  
00618 }
00619 
00620 static msg_t *build_hold_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00621 {
00622    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00623    HOLD_ACKNOWLEDGE_t *hold_acknowledge;
00624    msg_t *msg =(msg_t*)create_l3msg(CC_HOLD_ACKNOWLEDGE | REQUEST, MT_HOLD_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(HOLD_ACKNOWLEDGE_t) ,nt); 
00625  
00626    hold_acknowledge=(HOLD_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
00627 
00628 #if DEBUG 
00629    printf("Building HOLD_ACKNOWLEDGE Msg\n"); 
00630 #endif
00631    return msg; 
00632 }
00633 
00634 static void parse_suspend_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00635 {
00636 #if DEBUG 
00637    printf("Parsing SUSPEND_ACKNOWLEDGE Msg\n"); 
00638 #endif
00639 
00640  
00641 }
00642 
00643 static msg_t *build_suspend_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00644 {
00645    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00646    SUSPEND_ACKNOWLEDGE_t *suspend_acknowledge;
00647    msg_t *msg =(msg_t*)create_l3msg(CC_SUSPEND_ACKNOWLEDGE | REQUEST, MT_SUSPEND_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(SUSPEND_ACKNOWLEDGE_t) ,nt); 
00648  
00649    suspend_acknowledge=(SUSPEND_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
00650 
00651 #if DEBUG 
00652    printf("Building SUSPEND_ACKNOWLEDGE Msg\n"); 
00653 #endif
00654    return msg; 
00655 }
00656 
00657 static void parse_resume_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00658 {
00659 #if DEBUG 
00660    printf("Parsing RESUME_ACKNOWLEDGE Msg\n"); 
00661 #endif
00662 
00663  
00664 }
00665 
00666 static msg_t *build_resume_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00667 {
00668    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00669    RESUME_ACKNOWLEDGE_t *resume_acknowledge;
00670    msg_t *msg =(msg_t*)create_l3msg(CC_RESUME_ACKNOWLEDGE | REQUEST, MT_RESUME_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(RESUME_ACKNOWLEDGE_t) ,nt); 
00671  
00672    resume_acknowledge=(RESUME_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
00673 
00674 #if DEBUG 
00675    printf("Building RESUME_ACKNOWLEDGE Msg\n"); 
00676 #endif
00677    return msg; 
00678 }
00679 
00680 static void parse_hold_reject (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00681 {
00682 #if DEBUG 
00683    printf("Parsing HOLD_REJECT Msg\n"); 
00684 #endif
00685 
00686  
00687 }
00688 
00689 static msg_t *build_hold_reject (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00690 {
00691    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00692    HOLD_REJECT_t *hold_reject;
00693    msg_t *msg =(msg_t*)create_l3msg(CC_HOLD_REJECT | REQUEST, MT_HOLD_REJECT,  bc?bc->l3_id:-1, sizeof(HOLD_REJECT_t) ,nt); 
00694  
00695    hold_reject=(HOLD_REJECT_t*)((msg->data+HEADER_LEN)); 
00696 
00697 #if DEBUG 
00698    printf("Building HOLD_REJECT Msg\n"); 
00699 #endif
00700    return msg; 
00701 }
00702 
00703 static void parse_retrieve (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00704 {
00705 #if DEBUG 
00706    printf("Parsing RETRIEVE Msg\n"); 
00707 #endif
00708 
00709  
00710 }
00711 
00712 static msg_t *build_retrieve (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00713 {
00714    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00715    RETRIEVE_t *retrieve;
00716    msg_t *msg =(msg_t*)create_l3msg(CC_RETRIEVE | REQUEST, MT_RETRIEVE,  bc?bc->l3_id:-1, sizeof(RETRIEVE_t) ,nt); 
00717  
00718    retrieve=(RETRIEVE_t*)((msg->data+HEADER_LEN)); 
00719 
00720 #if DEBUG 
00721    printf("Building RETRIEVE Msg\n"); 
00722 #endif
00723    return msg; 
00724 }
00725 
00726 static void parse_retrieve_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00727 {
00728 #if DEBUG 
00729    printf("Parsing RETRIEVE_ACKNOWLEDGE Msg\n"); 
00730 #endif
00731 
00732  
00733 }
00734 
00735 static msg_t *build_retrieve_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00736 {
00737    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00738    RETRIEVE_ACKNOWLEDGE_t *retrieve_acknowledge;
00739    msg_t *msg =(msg_t*)create_l3msg(CC_RETRIEVE_ACKNOWLEDGE | REQUEST, MT_RETRIEVE_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(RETRIEVE_ACKNOWLEDGE_t) ,nt); 
00740  
00741    retrieve_acknowledge=(RETRIEVE_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
00742 
00743    enc_ie_channel_id(&retrieve_acknowledge->CHANNEL_ID, msg, 1, bc->channel, nt,bc);
00744 #if DEBUG 
00745    printf("Building RETRIEVE_ACKNOWLEDGE Msg\n"); 
00746 #endif
00747    return msg; 
00748 }
00749 
00750 static void parse_retrieve_reject (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00751 {
00752 #if DEBUG 
00753    printf("Parsing RETRIEVE_REJECT Msg\n"); 
00754 #endif
00755 
00756  
00757 }
00758 
00759 static msg_t *build_retrieve_reject (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00760 {
00761    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00762    RETRIEVE_REJECT_t *retrieve_reject;
00763    msg_t *msg =(msg_t*)create_l3msg(CC_RETRIEVE_REJECT | REQUEST, MT_RETRIEVE_REJECT,  bc?bc->l3_id:-1, sizeof(RETRIEVE_REJECT_t) ,nt); 
00764  
00765    retrieve_reject=(RETRIEVE_REJECT_t*)((msg->data+HEADER_LEN)); 
00766 
00767 #if DEBUG 
00768    printf("Building RETRIEVE_REJECT Msg\n"); 
00769 #endif
00770    return msg; 
00771 }
00772 
00773 static void parse_disconnect (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00774 {
00775    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00776    DISCONNECT_t *disconnect=(DISCONNECT_t*)((unsigned long)(msg->data+HEADER_LEN));
00777    int location;
00778    int cause; 
00779    dec_ie_cause(disconnect->CAUSE, (Q931_info_t *)(disconnect), &location, &cause, nt,bc);
00780    if (cause>0) bc->cause=cause;
00781 
00782    dec_ie_progress(disconnect->PROGRESS, (Q931_info_t *)disconnect, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
00783 #if DEBUG 
00784    printf("Parsing DISCONNECT Msg\n"); 
00785 #endif
00786 
00787  
00788 }
00789 
00790 static msg_t *build_disconnect (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00791 {
00792    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00793    DISCONNECT_t *disconnect;
00794    msg_t *msg =(msg_t*)create_l3msg(CC_DISCONNECT | REQUEST, MT_DISCONNECT,  bc?bc->l3_id:-1, sizeof(DISCONNECT_t) ,nt); 
00795    
00796    disconnect=(DISCONNECT_t*)((msg->data+HEADER_LEN)); 
00797    
00798    enc_ie_cause(&disconnect->CAUSE, msg, (nt)?1:0, bc->out_cause,nt,bc);
00799    if (nt) enc_ie_progress(&disconnect->PROGRESS, msg, 0, nt?1:5, 8 ,nt,bc);
00800 
00801    if (bc->uulen) {
00802       int  protocol=4;
00803       enc_ie_useruser(&disconnect->USER_USER, msg, protocol, bc->uu, bc->uulen, nt,bc);
00804       cb_log(1,bc->port,"ENCODING USERUESRINFO:%s\n",bc->uu);
00805    }
00806   
00807 #if DEBUG 
00808    printf("Building DISCONNECT Msg\n"); 
00809 #endif
00810    return msg; 
00811 }
00812 
00813 static void parse_restart (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00814 {
00815    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00816    RESTART_t *restart=(RESTART_t*)((unsigned long)(msg->data+HEADER_LEN));
00817 
00818    struct misdn_stack *stack=get_stack_by_bc(bc);
00819    
00820 #if DEBUG 
00821    printf("Parsing RESTART Msg\n");
00822 #endif
00823   
00824    {
00825       int  exclusive;
00826       dec_ie_channel_id(restart->CHANNEL_ID, (Q931_info_t *)restart, &exclusive, &bc->restart_channel, nt,bc);
00827       cb_log(3, stack->port, "CC_RESTART Request on channel:%d on this port.\n", bc->restart_channel);
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    enc_ie_restart_ind(&restart->RESTART_IND, msg, 0x80, nt, bc);
00845 
00846    cb_log(0,bc->port, "Restarting channel %d\n", bc->channel);
00847    
00848    return msg; 
00849 }
00850 
00851 static void parse_release (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00852 {
00853    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00854    RELEASE_t *release=(RELEASE_t*)((unsigned long)(msg->data+HEADER_LEN));
00855    int location;
00856    int cause;
00857   
00858    dec_ie_cause(release->CAUSE, (Q931_info_t *)(release), &location, &cause, nt,bc);
00859    if (cause>0) bc->cause=cause;
00860 #if DEBUG 
00861    printf("Parsing RELEASE Msg\n"); 
00862 #endif
00863 
00864  
00865 }
00866 
00867 static msg_t *build_release (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00868 {
00869    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00870    RELEASE_t *release;
00871    msg_t *msg =(msg_t*)create_l3msg(CC_RELEASE | REQUEST, MT_RELEASE,  bc?bc->l3_id:-1, sizeof(RELEASE_t) ,nt); 
00872  
00873    release=(RELEASE_t*)((msg->data+HEADER_LEN)); 
00874   
00875    if (bc->out_cause>= 0)
00876       enc_ie_cause(&release->CAUSE, msg, nt?1:0, bc->out_cause, nt,bc);
00877 
00878    if (bc->uulen) {
00879       int  protocol=4;
00880       enc_ie_useruser(&release->USER_USER, msg, protocol, bc->uu, bc->uulen, nt,bc);
00881       cb_log(1,bc->port,"ENCODING USERUESRINFO:%s\n",bc->uu);
00882    }
00883   
00884 #if DEBUG 
00885    printf("Building RELEASE Msg\n"); 
00886 #endif
00887    return msg; 
00888 }
00889 
00890 static void parse_release_complete (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00891 {
00892    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00893    RELEASE_COMPLETE_t *release_complete=(RELEASE_COMPLETE_t*)((unsigned long)(msg->data+HEADER_LEN));
00894    int location;
00895    int cause;
00896    iframe_t *frm = (iframe_t*) msg->data;
00897 
00898    struct misdn_stack *stack=get_stack_by_bc(bc);
00899    mISDNuser_head_t *hh;
00900    hh=(mISDNuser_head_t*)msg->data;
00901 
00902    /*hh=(mISDN_head_t*)msg->data;
00903    mISDN_head_t *hh;*/
00904 
00905    if (nt) {
00906       if (hh->prim == (CC_RELEASE_COMPLETE|CONFIRM)) {
00907          cb_log(0, stack->port, "CC_RELEASE_COMPLETE|CONFIRM [NT] \n");
00908          return;
00909       }
00910    } else {
00911       if (frm->prim == (CC_RELEASE_COMPLETE|CONFIRM)) {
00912          cb_log(0, stack->port, "CC_RELEASE_COMPLETE|CONFIRM [TE] \n");
00913          return;
00914       }
00915    }
00916    dec_ie_cause(release_complete->CAUSE, (Q931_info_t *)(release_complete), &location, &cause, nt,bc);
00917    if (cause>0) bc->cause=cause;
00918 
00919 #if DEBUG 
00920    printf("Parsing RELEASE_COMPLETE Msg\n"); 
00921 #endif
00922 }
00923 
00924 static msg_t *build_release_complete (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00925 {
00926    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
00927    RELEASE_COMPLETE_t *release_complete;
00928    msg_t *msg =(msg_t*)create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE,  bc?bc->l3_id:-1, sizeof(RELEASE_COMPLETE_t) ,nt); 
00929  
00930    release_complete=(RELEASE_COMPLETE_t*)((msg->data+HEADER_LEN)); 
00931    
00932    enc_ie_cause(&release_complete->CAUSE, msg, nt?1:0, bc->out_cause, nt,bc);
00933 
00934    if (bc->uulen) {
00935       int  protocol=4;
00936       enc_ie_useruser(&release_complete->USER_USER, msg, protocol, bc->uu, bc->uulen, nt,bc);
00937       cb_log(1,bc->port,"ENCODING USERUESRINFO:%s\n",bc->uu);
00938    }
00939   
00940 #if DEBUG 
00941    printf("Building RELEASE_COMPLETE Msg\n"); 
00942 #endif
00943    return msg; 
00944 }
00945 
00946 static void parse_facility (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
00947 {
00948    int HEADER_LEN = nt ? mISDNUSER_HEAD_SIZE : mISDN_HEADER_LEN;
00949    FACILITY_t *facility = (FACILITY_t*)(msg->data+HEADER_LEN); 
00950    Q931_info_t *qi = (Q931_info_t*)(msg->data+HEADER_LEN);  
00951    unsigned char *p = NULL;
00952    int err;
00953 
00954 #if DEBUG 
00955    printf("Parsing FACILITY Msg\n"); 
00956 #endif
00957 
00958    if (!bc->nt) {
00959       if (qi->QI_ELEMENT(facility))
00960          p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(facility) + 1;
00961    } else {
00962       p = facility->FACILITY;
00963    }
00964    if (!p)
00965       return;
00966    
00967    err = decodeFac(p, &(bc->fac_in));
00968    if (err) {
00969       cb_log(1, bc->port, "Decoding FACILITY failed! (%d)\n", err);
00970    }
00971 }
00972 
00973 static msg_t *build_facility (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
00974 {
00975    int len,
00976       HEADER_LEN = nt ? mISDNUSER_HEAD_SIZE : mISDN_HEADER_LEN;
00977    unsigned char *ie_fac,
00978               fac_tmp[256];
00979    msg_t *msg =(msg_t*)create_l3msg(CC_FACILITY | REQUEST, MT_FACILITY,  bc?bc->l3_id:-1, sizeof(FACILITY_t) ,nt);
00980    FACILITY_t *facility = (FACILITY_t*)(msg->data+HEADER_LEN); 
00981    Q931_info_t *qi;
00982 
00983 #if DEBUG 
00984    printf("Building FACILITY Msg\n"); 
00985 #endif
00986    
00987    len = encodeFac(fac_tmp, &(bc->fac_out));
00988    if (len <= 0)
00989       return NULL;
00990 
00991    ie_fac = msg_put(msg, len);
00992    if (bc->nt) {
00993       facility->FACILITY = ie_fac + 1;
00994    } else {
00995       qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
00996       qi->QI_ELEMENT(facility) = ie_fac - (unsigned char *)qi - sizeof(Q931_info_t);
00997    }
00998 
00999    memcpy(ie_fac, fac_tmp, len);
01000 
01001    if (*bc->display) {
01002       printf("Sending %s as Display\n", bc->display);
01003       enc_ie_display(&facility->DISPLAY, msg, bc->display, nt,bc);
01004    }
01005 
01006    return msg; 
01007 }
01008 
01009 static void parse_notify (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
01010 {
01011 #if DEBUG 
01012    printf("Parsing NOTIFY Msg\n"); 
01013 #endif
01014 }
01015 
01016 static msg_t *build_notify (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
01017 {
01018    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01019    NOTIFY_t *notify;
01020    msg_t *msg =(msg_t*)create_l3msg(CC_NOTIFY | REQUEST, MT_NOTIFY,  bc?bc->l3_id:-1, sizeof(NOTIFY_t) ,nt); 
01021  
01022    notify=(NOTIFY_t*)((msg->data+HEADER_LEN)); 
01023 
01024 #if DEBUG 
01025    printf("Building NOTIFY Msg\n"); 
01026 #endif
01027    return msg; 
01028 }
01029 
01030 static void parse_status_enquiry (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
01031 {
01032 #if DEBUG 
01033    printf("Parsing STATUS_ENQUIRY Msg\n"); 
01034 #endif
01035 }
01036 
01037 static msg_t *build_status_enquiry (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
01038 {
01039    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01040    STATUS_ENQUIRY_t *status_enquiry;
01041    msg_t *msg =(msg_t*)create_l3msg(CC_STATUS_ENQUIRY | REQUEST, MT_STATUS_ENQUIRY,  bc?bc->l3_id:-1, sizeof(STATUS_ENQUIRY_t) ,nt); 
01042  
01043    status_enquiry=(STATUS_ENQUIRY_t*)((msg->data+HEADER_LEN)); 
01044 
01045 #if DEBUG 
01046    printf("Building STATUS_ENQUIRY Msg\n"); 
01047 #endif
01048    return msg; 
01049 }
01050 
01051 static void parse_information (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
01052 {
01053    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01054    INFORMATION_t *information=(INFORMATION_t*)((unsigned long)(msg->data+HEADER_LEN));
01055    {
01056       int  type, plan;
01057       char number[32];
01058       char keypad[32];
01059       dec_ie_called_pn(information->CALLED_PN, (Q931_info_t *)information, &type, &plan, number, sizeof(number)-1, nt, bc);
01060       dec_ie_keypad(information->KEYPAD, (Q931_info_t *)information, keypad, sizeof(keypad)-1, nt, bc);
01061       strcpy(bc->info_dad, number);
01062       strcpy(bc->keypad,keypad);
01063    }
01064 #if DEBUG 
01065    printf("Parsing INFORMATION Msg\n"); 
01066 #endif
01067 }
01068 
01069 static msg_t *build_information (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
01070 {
01071    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01072    INFORMATION_t *information;
01073    msg_t *msg =(msg_t*)create_l3msg(CC_INFORMATION | REQUEST, MT_INFORMATION,  bc?bc->l3_id:-1, sizeof(INFORMATION_t) ,nt); 
01074  
01075    information=(INFORMATION_t*)((msg->data+HEADER_LEN)); 
01076   
01077    {
01078       enc_ie_called_pn(&information->CALLED_PN, msg, 0, 1, bc->info_dad, nt,bc);
01079    }
01080 
01081    {
01082       if (*bc->display) {
01083          printf("Sending %s as Display\n", bc->display);
01084          enc_ie_display(&information->DISPLAY, msg, bc->display, nt,bc);
01085       }
01086    }
01087   
01088 #if DEBUG 
01089    printf("Building INFORMATION Msg\n"); 
01090 #endif
01091    return msg; 
01092 }
01093 
01094 static void parse_status (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
01095 {
01096    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01097    STATUS_t *status=(STATUS_t*)((unsigned long)(msg->data+HEADER_LEN));
01098    int location;
01099    int cause;
01100   
01101    dec_ie_cause(status->CAUSE, (Q931_info_t *)(status), &location, &cause, nt,bc);
01102    if (cause>0) bc->cause=cause;
01103    ;
01104 
01105 #if DEBUG 
01106    printf("Parsing STATUS Msg\n"); 
01107 #endif
01108 }
01109 
01110 static msg_t *build_status (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
01111 {
01112    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01113    STATUS_t *status;
01114    msg_t *msg =(msg_t*)create_l3msg(CC_STATUS | REQUEST, MT_STATUS,  bc?bc->l3_id:-1, sizeof(STATUS_t) ,nt); 
01115  
01116    status=(STATUS_t*)((msg->data+HEADER_LEN)); 
01117 
01118 #if DEBUG 
01119    printf("Building STATUS Msg\n"); 
01120 #endif
01121    return msg; 
01122 }
01123 
01124 static void parse_timeout (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
01125 {
01126 #if DEBUG 
01127    printf("Parsing STATUS Msg\n"); 
01128 #endif 
01129 }
01130 
01131 static msg_t *build_timeout (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
01132 {
01133    int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
01134    STATUS_t *status;
01135    msg_t *msg =(msg_t*)create_l3msg(CC_STATUS | REQUEST, MT_STATUS,  bc?bc->l3_id:-1, sizeof(STATUS_t) ,nt); 
01136  
01137    status=(STATUS_t*)((msg->data+HEADER_LEN)); 
01138 
01139 #if DEBUG 
01140    printf("Building STATUS Msg\n"); 
01141 #endif
01142    return msg; 
01143 }
01144 
01145 
01146 /************************************/
01147 
01148 
01149 
01150 
01151 /** Msg Array **/
01152 
01153 struct isdn_msg msgs_g[] = {
01154    {CC_PROCEEDING,L3,EVENT_PROCEEDING,
01155     parse_proceeding,build_proceeding,
01156     "PROCEEDING"},
01157    {CC_ALERTING,L3,EVENT_ALERTING,
01158     parse_alerting,build_alerting,
01159     "ALERTING"},
01160    {CC_PROGRESS,L3,EVENT_PROGRESS,
01161     parse_progress,build_progress,
01162     "PROGRESS"},
01163    {CC_SETUP,L3,EVENT_SETUP,
01164     parse_setup,build_setup,
01165     "SETUP"},
01166    {CC_CONNECT,L3,EVENT_CONNECT,
01167     parse_connect,build_connect,
01168     "CONNECT"},
01169    {CC_SETUP_ACKNOWLEDGE,L3,EVENT_SETUP_ACKNOWLEDGE,
01170     parse_setup_acknowledge,build_setup_acknowledge,
01171     "SETUP_ACKNOWLEDGE"},
01172    {CC_CONNECT_ACKNOWLEDGE ,L3,EVENT_CONNECT_ACKNOWLEDGE ,
01173     parse_connect_acknowledge ,build_connect_acknowledge,
01174     "CONNECT_ACKNOWLEDGE "},
01175    {CC_USER_INFORMATION,L3,EVENT_USER_INFORMATION,
01176     parse_user_information,build_user_information,
01177     "USER_INFORMATION"},
01178    {CC_SUSPEND_REJECT,L3,EVENT_SUSPEND_REJECT,
01179     parse_suspend_reject,build_suspend_reject,
01180     "SUSPEND_REJECT"},
01181    {CC_RESUME_REJECT,L3,EVENT_RESUME_REJECT,
01182     parse_resume_reject,build_resume_reject,
01183     "RESUME_REJECT"},
01184    {CC_HOLD,L3,EVENT_HOLD,
01185     parse_hold,build_hold,
01186     "HOLD"},
01187    {CC_SUSPEND,L3,EVENT_SUSPEND,
01188     parse_suspend,build_suspend,
01189     "SUSPEND"},
01190    {CC_RESUME,L3,EVENT_RESUME,
01191     parse_resume,build_resume,
01192     "RESUME"},
01193    {CC_HOLD_ACKNOWLEDGE,L3,EVENT_HOLD_ACKNOWLEDGE,
01194     parse_hold_acknowledge,build_hold_acknowledge,
01195     "HOLD_ACKNOWLEDGE"},
01196    {CC_SUSPEND_ACKNOWLEDGE,L3,EVENT_SUSPEND_ACKNOWLEDGE,
01197     parse_suspend_acknowledge,build_suspend_acknowledge,
01198     "SUSPEND_ACKNOWLEDGE"},
01199    {CC_RESUME_ACKNOWLEDGE,L3,EVENT_RESUME_ACKNOWLEDGE,
01200     parse_resume_acknowledge,build_resume_acknowledge,
01201     "RESUME_ACKNOWLEDGE"},
01202    {CC_HOLD_REJECT,L3,EVENT_HOLD_REJECT,
01203     parse_hold_reject,build_hold_reject,
01204     "HOLD_REJECT"},
01205    {CC_RETRIEVE,L3,EVENT_RETRIEVE,
01206     parse_retrieve,build_retrieve,
01207     "RETRIEVE"},
01208    {CC_RETRIEVE_ACKNOWLEDGE,L3,EVENT_RETRIEVE_ACKNOWLEDGE,
01209     parse_retrieve_acknowledge,build_retrieve_acknowledge,
01210     "RETRIEVE_ACKNOWLEDGE"},
01211    {CC_RETRIEVE_REJECT,L3,EVENT_RETRIEVE_REJECT,
01212     parse_retrieve_reject,build_retrieve_reject,
01213     "RETRIEVE_REJECT"},
01214    {CC_DISCONNECT,L3,EVENT_DISCONNECT,
01215     parse_disconnect,build_disconnect,
01216     "DISCONNECT"},
01217    {CC_RESTART,L3,EVENT_RESTART,
01218     parse_restart,build_restart,
01219     "RESTART"},
01220    {CC_RELEASE,L3,EVENT_RELEASE,
01221     parse_release,build_release,
01222     "RELEASE"},
01223    {CC_RELEASE_COMPLETE,L3,EVENT_RELEASE_COMPLETE,
01224     parse_release_complete,build_release_complete,
01225     "RELEASE_COMPLETE"},
01226    {CC_FACILITY,L3,EVENT_FACILITY,
01227     parse_facility,build_facility,
01228     "FACILITY"},
01229    {CC_NOTIFY,L3,EVENT_NOTIFY,
01230     parse_notify,build_notify,
01231     "NOTIFY"},
01232    {CC_STATUS_ENQUIRY,L3,EVENT_STATUS_ENQUIRY,
01233     parse_status_enquiry,build_status_enquiry,
01234     "STATUS_ENQUIRY"},
01235    {CC_INFORMATION,L3,EVENT_INFORMATION,
01236     parse_information,build_information,
01237     "INFORMATION"},
01238    {CC_STATUS,L3,EVENT_STATUS,
01239     parse_status,build_status,
01240     "STATUS"},
01241    {CC_TIMEOUT,L3,EVENT_TIMEOUT,
01242     parse_timeout,build_timeout,
01243     "TIMEOUT"},
01244    {0,0,0,NULL,NULL,NULL}
01245 };
01246 
01247 #define msgs_max (sizeof(msgs_g)/sizeof(struct isdn_msg))
01248 
01249 /** INTERFACE FCTS ***/
01250 int isdn_msg_get_index(struct isdn_msg msgs[], msg_t *msg, int nt)
01251 {
01252    int i;
01253 
01254    if (nt){
01255       mISDNuser_head_t *hh = (mISDNuser_head_t*)msg->data;
01256       
01257       for (i=0; i< msgs_max -1; i++) {
01258          if ( (hh->prim&COMMAND_MASK)==(msgs[i].misdn_msg&COMMAND_MASK)) return i;
01259       }
01260       
01261    } else {
01262       iframe_t *frm = (iframe_t*)msg->data;
01263     
01264       for (i=0; i< msgs_max -1; i++) 
01265          if ( (frm->prim&COMMAND_MASK)==(msgs[i].misdn_msg&COMMAND_MASK)) return i;
01266    }
01267 
01268    return -1;
01269 }
01270 
01271 int isdn_msg_get_index_by_event(struct isdn_msg msgs[], enum event_e event, int nt)
01272 {
01273    int i;
01274    for (i=0; i< msgs_max; i++) 
01275       if ( event == msgs[i].event) return i;
01276 
01277    cb_log(10,0, "get_index: event not found!\n");
01278    
01279    return -1;
01280 }
01281 
01282 enum event_e isdn_msg_get_event(struct isdn_msg msgs[], msg_t *msg, int nt)
01283 {
01284    int i=isdn_msg_get_index(msgs, msg, nt);
01285    if(i>=0) return msgs[i].event;
01286    return EVENT_UNKNOWN;
01287 }
01288 
01289 char * isdn_msg_get_info(struct isdn_msg msgs[], msg_t *msg, int nt)
01290 {
01291    int i=isdn_msg_get_index(msgs, msg, nt);
01292    if(i>=0) return msgs[i].info;
01293    return NULL;
01294 }
01295 
01296 
01297 char EVENT_CLEAN_INFO[] = "CLEAN_UP";
01298 char EVENT_DTMF_TONE_INFO[] = "DTMF_TONE";
01299 char EVENT_NEW_L3ID_INFO[] = "NEW_L3ID";
01300 char EVENT_NEW_BC_INFO[] = "NEW_BC";
01301 char EVENT_PORT_ALARM_INFO[] = "ALARM";
01302 char EVENT_NEW_CHANNEL_INFO[] = "NEW_CHANNEL";
01303 char EVENT_BCHAN_DATA_INFO[] = "BCHAN_DATA";
01304 char EVENT_BCHAN_ACTIVATED_INFO[] = "BCHAN_ACTIVATED";
01305 char EVENT_TONE_GENERATE_INFO[] = "TONE_GENERATE";
01306 char EVENT_BCHAN_ERROR_INFO[] = "BCHAN_ERROR";
01307 
01308 char * isdn_get_info(struct isdn_msg msgs[], enum event_e event, int nt)
01309 {
01310    int i=isdn_msg_get_index_by_event(msgs, event, nt);
01311    
01312    if(i>=0) return msgs[i].info;
01313    
01314    if (event == EVENT_CLEANUP) return EVENT_CLEAN_INFO;
01315    if (event == EVENT_DTMF_TONE) return EVENT_DTMF_TONE_INFO;
01316    if (event == EVENT_NEW_L3ID) return EVENT_NEW_L3ID_INFO;
01317    if (event == EVENT_NEW_BC) return EVENT_NEW_BC_INFO;
01318    if (event == EVENT_NEW_CHANNEL) return EVENT_NEW_CHANNEL_INFO;
01319    if (event == EVENT_BCHAN_DATA) return EVENT_BCHAN_DATA_INFO;
01320    if (event == EVENT_BCHAN_ACTIVATED) return EVENT_BCHAN_ACTIVATED_INFO;
01321    if (event == EVENT_TONE_GENERATE) return EVENT_TONE_GENERATE_INFO;
01322    if (event == EVENT_PORT_ALARM) return EVENT_PORT_ALARM_INFO;
01323    if (event == EVENT_BCHAN_ERROR) return EVENT_BCHAN_ERROR_INFO;
01324    
01325    return NULL;
01326 }
01327 
01328 int isdn_msg_parse_event(struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt)
01329 {
01330    int i=isdn_msg_get_index(msgs, msg, nt);
01331    if(i<0) return -1;
01332 
01333    msgs[i].msg_parser(msgs, msg, bc, nt);
01334    return 0;
01335 }
01336 
01337 msg_t * isdn_msg_build_event(struct isdn_msg msgs[], struct misdn_bchannel *bc, enum event_e event, int nt)
01338 {
01339    int i=isdn_msg_get_index_by_event(msgs, event, nt);
01340    if(i<0) return NULL;
01341   
01342    return  msgs[i].msg_builder(msgs, bc, nt);
01343 }

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