X-Git-Url: http://git.eversberg.eu/gitweb.cgi?p=lcr.git;a=blobdiff_plain;f=chan_lcr.c;h=3904c9ac16016dee16565b36460a8bcf76f02b8b;hp=b28965a877c02c321f1fbe6c46bae835b5877fe6;hb=03f26ba38638051d153db96ce158f220a6746d22;hpb=3acba5ac9bfdd677ac6c6e6bfaff779dedfc9483 diff --git a/chan_lcr.c b/chan_lcr.c index b28965a..3904c9a 100644 --- a/chan_lcr.c +++ b/chan_lcr.c @@ -21,8 +21,9 @@ Now the channel driver is linked to LCR and can receive and make calls. Call is initiated by LCR: If a call is received from LCR, a MESSAGE_NEWREF is received first. +The ref_was_assigned ist set to 1. A new chan_call instance is created. The call reference (ref) is given by -MESSAGE_NEWREF. The state is CHAN_LCR_STATE_IN_PREPARE. +the received MESSAGE_NEWREF. The state is CHAN_LCR_STATE_IN_PREPARE. After receiving MESSAGE_SETUP from LCR, the ast_channel instance is created using ast_channel_alloc(1). The setup information is given to asterisk. The new Asterisk instance pointer (ast) is stored to chan_call structure. @@ -34,11 +35,12 @@ Call is initiated by Asterisk: If a call is requested from Asterisk, a new chan_call instance is created. The new Asterisk instance pointer (ast) is stored to chan_call structure. The current call ref is set to 0, the state is CHAN_LCR_STATE_OUT_PREPARE. -If the call is received (lcr_call) A MESSASGE_NEWREF is sent to LCR requesting +If the call is received (lcr_call) A MESSAGE_NEWREF is sent to LCR requesting a new call reference (ref). +The ref_was_assigned ist set to 1. Further dialing information is queued. After the new callref is received by special MESSAGE_NEWREF reply, new ref -is stored in the chan_call structure. +is stored in the chan_call structure. The setup information is sent to LCR using MESSAGE_SETUP. The state changes to CHAN_LCR_STATE_OUT_SETUP. @@ -57,6 +59,7 @@ Call is released by LCR: A MESSAGE_RELEASE is received with the call reference (ref) to be released. The current ref is set to 0, to indicate released reference. +The ref_was_assigned==1 shows that there is no other ref to be assigned. The state changes to CHAN_LCR_STATE_RELEASE. ast_queue_hangup() is called, if asterisk instance (ast) exists, if not, the chan_call instance is destroyed. @@ -73,6 +76,7 @@ lcr_hangup() is called-back by Asterisk. If the call reference (ref) is set, a MESSAGE_RELEASE is sent to LCR and the chan_call instance is destroyed. If the ref is 0 and the state is not CHAN_LCR_STATE_RELEASE, the new state is set to CHAN_LCR_STATE_RELEASE. +The ref_was_assigned==0 shows that a ref is still requested. Later, if the MESSAGE_NEWREF reply is received, a MESSAGE_RELEASE is sent to LCR and the chan_call instance is destroyed. If the ref is 0 and the state is CHAN_LCR_STATE_RELEASE, see the proceedure @@ -101,6 +105,11 @@ it is called from ast_channel process which has already locked ast_channel. */ + +/* Choose if you want to have chan_lcr for Asterisk 1.4.x or CallWeaver 1.2.x */ +#define LCR_FOR_ASTERISK +/* #define LCR_FOR_CALLWEAVER */ + #include #include #include @@ -117,6 +126,16 @@ it is called from ast_channel process which has already locked ast_channel. #include +#define HAVE_ATTRIBUTE_always_inline 1 +#define HAVE_ARPA_INET_H 1 +#define HAVE_TIMERSUB 1 +#define HAVE_STRTOQ 1 +#define HAVE_INET_ATON 1 + +#include +#ifdef LCR_FOR_ASTERISK +#include +#endif #include #include #include @@ -131,7 +150,13 @@ it is called from ast_channel process which has already locked ast_channel. #include #include #include +#ifdef LCR_FOR_ASTERISK #include +#endif +#ifdef LCR_FOR_CALLWEAVER +#include +#endif + #include #include #include @@ -142,6 +167,7 @@ it is called from ast_channel process which has already locked ast_channel. #include "callerid.h" #include "lcrsocket.h" #include "cause.h" +#include "select.h" #include "bchannel.h" #include "options.h" #include "chan_lcr.h" @@ -149,21 +175,44 @@ it is called from ast_channel process which has already locked ast_channel. CHAN_LCR_STATE // state description structure MESSAGES // message text +#ifdef LCR_FOR_CALLWEAVER +AST_MUTEX_DEFINE_STATIC(rand_lock); +#endif + unsigned char flip_bits[256]; +#ifdef LCR_FOR_CALLWEAVER +static struct ast_frame nullframe = { AST_FRAME_NULL, }; +#endif + int lcr_debug=1; int mISDN_created=1; char lcr_type[]="lcr"; +#ifdef LCR_FOR_CALLWEAVER +static ast_mutex_t usecnt_lock; +static int usecnt=0; +static char *desc = "Channel driver for mISDN/LCR Support (Bri/Pri)"; +#endif + pthread_t chan_tid; ast_mutex_t chan_lock; /* global lock */ ast_mutex_t log_lock; /* logging log */ -int quit; +/* global_change: + * used to indicate change in file descriptors, so select function's result may + * be obsolete. + */ +int global_change = 0; +int wake_global = 0; +int wake_pipe[2]; +struct lcr_fd wake_fd; int glob_channel = 0; int lcr_sock = -1; +struct lcr_fd socket_fd; +struct lcr_timer socket_retry; struct admin_list { struct admin_list *next; @@ -194,8 +243,9 @@ void chan_lcr_log(int type, const char *file, int line, const char *function, st if (ast) strncpy(ast_text, ast->name, sizeof(ast_text)-1); ast_text[sizeof(ast_text)-1] = '\0'; - - ast_log(type, file, line, function, "[call=%s ast=%s] %s", call_text, ast_text, buffer); + +// ast_log(type, file, line, function, "[call=%s ast=%s] %s", call_text, ast_text, buffer); + printf("[call=%s ast=%s line=%d] %s", call_text, ast_text, line, buffer); ast_mutex_unlock(&log_lock); } @@ -205,74 +255,52 @@ void chan_lcr_log(int type, const char *file, int line, const char *function, st */ struct chan_call *call_first; -struct chan_call *find_call_ref(unsigned int ref) -{ - struct chan_call *call = call_first; - - while(call) - { - if (call->ref == ref) - break; - call = call->next; - } - return(call); -} - -#if 0 -struct chan_call *find_call_ast(struct ast_channel *ast) -{ - struct chan_call *call = call_first; - - while(call) - { - if (call->ast == ast) - break; - call = call->next; - } - return(call); -} +/* + * find call by ref + * special case: 0: find new ref, that has not been assigned a ref yet + */ -struct chan_call *find_call_handle(unsigned int handle) +struct chan_call *find_call_ref(unsigned int ref) { struct chan_call *call = call_first; + int assigned = (ref > 0); - while(call) - { - if (call->bchannel_handle == handle) + while(call) { + if (call->ref == ref && call->ref_was_assigned == assigned) break; call = call->next; } - return(call); + return call; } -#endif void free_call(struct chan_call *call) { struct chan_call **temp = &call_first; - while(*temp) - { - if (*temp == call) - { + while(*temp) { + if (*temp == call) { *temp = (*temp)->next; if (call->pipe[0] > -1) close(call->pipe[0]); if (call->pipe[1] > -1) close(call->pipe[1]); - if (call->bchannel) - { + if (call->bchannel) { if (call->bchannel->call != call) CERROR(call, NULL, "Linked bchannel structure has no link to us.\n"); call->bchannel->call = NULL; } - if (call->bridge_call) - { + if (call->bridge_call) { if (call->bridge_call->bridge_call != call) CERROR(call, NULL, "Linked call structure has no link to us.\n"); call->bridge_call->bridge_call = NULL; } + if (call->trans) + ast_translator_free_path(call->trans); + if (call->dsp) + ast_dsp_free(call->dsp); CDEBUG(call, NULL, "Call instance freed.\n"); free(call); + global_change = 1; return; } temp = &((*temp)->next); @@ -293,25 +321,22 @@ struct chan_call *alloc_call(void) if (pipe((*callp)->pipe) < 0) { CERROR(*callp, NULL, "Failed to create pipe.\n"); free_call(*callp); - return(NULL); + return NULL; } fcntl((*callp)->pipe[0], F_SETFL, O_NONBLOCK); CDEBUG(*callp, NULL, "Call instance allocated.\n"); - return(*callp); + return *callp; } - unsigned short new_bridge_id(void) { struct chan_call *call; unsigned short id = 1; /* search for lowest bridge id that is not in use and not 0 */ - while(id) - { + while(id) { call = call_first; - while(call) - { + while(call) { if (call->bridge_id == id) break; call = call->next; @@ -321,7 +346,7 @@ unsigned short new_bridge_id(void) id++; } CDEBUG(NULL, NULL, "New bridge ID %d.\n", id); - return(id); + return id; } /* @@ -351,8 +376,14 @@ int send_message(int message_type, unsigned int ref, union parameter *param) admin->msg.u.msg.type = message_type; admin->msg.u.msg.ref = ref; memcpy(&admin->msg.u.msg.param, param, sizeof(union parameter)); + socket_fd.when |= LCR_FD_WRITE; + if (!wake_global) { + wake_global = 1; + char byte = 0; + write(wake_pipe[1], &byte, 1); + } - return(0); + return 0; } /* @@ -362,7 +393,7 @@ void apply_opt(struct chan_call *call, char *data) { union parameter newparam; char string[1024], *p = string, *opt, *key; - int gain, i, newmode = 0; + int gain, i; if (!data[0]) return; // no opts @@ -371,8 +402,7 @@ void apply_opt(struct chan_call *call, char *data) string[sizeof(string)-1] = '\0'; /* parse options */ - while((opt = strsep(&p, ":"))) - { + while((opt = strsep(&p, ":"))) { switch(opt[0]) { case 'd': if (opt[1] == '\0') { @@ -394,7 +424,11 @@ void apply_opt(struct chan_call *call, char *data) break; } CDEBUG(call, call->ast, "Option 'n' (no DTMF).\n"); - call->no_dtmf = 1; + if (call->dsp_dtmf) { + call->dsp_dtmf = 0; + if (call->bchannel) + bchannel_dtmf(call->bchannel, 0); + } break; case 'c': if (opt[1] == '\0') { @@ -413,8 +447,7 @@ void apply_opt(struct chan_call *call, char *data) break; } i = 0; - while(*key) - { + while(*key) { if (*key>='0' && *key<='9') call->bf_key[i] = (*key-'0') << 8; else if (*key>='a' && *key<='f') @@ -450,10 +483,8 @@ void apply_opt(struct chan_call *call, char *data) break; } CDEBUG(call, call->ast, "Option 'h' (HDLC).\n"); - if (!call->hdlc) { + if (!call->hdlc) call->hdlc = 1; - newmode = 1; - } break; case 't': if (opt[1] != '\0') { @@ -461,10 +492,16 @@ void apply_opt(struct chan_call *call, char *data) break; } CDEBUG(call, call->ast, "Option 't' (no dsp).\n"); - if (!call->nodsp) { + if (!call->nodsp) call->nodsp = 1; - newmode = 1; + break; + case 'q': + if (opt[1] == '\0') { + CERROR(call, call->ast, "Option 'q' (queue) expects parameter.\n", opt); + break; } + CDEBUG(call, call->ast, "Option 'q' (queue).\n"); + call->nodsp_queue = atoi(opt+1); break; case 'e': if (opt[1] == '\0') { @@ -476,6 +513,36 @@ void apply_opt(struct chan_call *call, char *data) if (call->bchannel) bchannel_pipeline(call->bchannel, call->pipeline); break; + case 'f': + if (opt[1] == '\0') { + CERROR(call, call->ast, "Option 'f' (faxdetect) expects parameter.\n", opt); + break; + } + call->faxdetect=atoi(opt+1); + if (!call->dsp) + call->dsp=ast_dsp_new(); + if (call->dsp) { + #ifdef LCR_FOR_CALLWEAVER + ast_dsp_set_features(call->dsp, DSP_FEATURE_DTMF_DETECT| DSP_FEATURE_FAX_CNG_DETECT); + #endif + #ifdef LCR_FOR_ASTERISK + #ifdef DSP_FEATURE_DTMF_DETECT + ast_dsp_set_features(call->dsp, DSP_FEATURE_DTMF_DETECT| DSP_FEATURE_FAX_DETECT); + #else + ast_dsp_set_features(call->dsp, DSP_FEATURE_DIGIT_DETECT| DSP_FEATURE_FAX_DETECT); + #endif + + #endif + if (!call->trans) + #ifdef LCR_FOR_CALLWEAVER + call->trans=ast_translator_build_path(AST_FORMAT_SLINEAR, 8000, (options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW, 8000); + #endif + #ifdef LCR_FOR_ASTERISK + call->trans=ast_translator_build_path(AST_FORMAT_SLINEAR, (options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW); + #endif + } + CDEBUG(call, call->ast, "Option 'f' (faxdetect) with config '%s'.\n", call->faxdetect); + break; case 'r': if (opt[1] != '\0') { CERROR(call, call->ast, "Option 'r' (re-buffer 160 bytes) expects no parameter.\n", opt); @@ -483,8 +550,8 @@ void apply_opt(struct chan_call *call, char *data) } CDEBUG(call, call->ast, "Option 'r' (re-buffer 160 bytes)"); call->rebuffer = 1; + call->framepos = 0; break; -#if 0 case 's': if (opt[1] != '\0') { CERROR(call, call->ast, "Option 's' (inband DTMF) expects no parameter.\n", opt); @@ -492,9 +559,7 @@ void apply_opt(struct chan_call *call, char *data) } CDEBUG(call, call->ast, "Option 's' (inband DTMF).\n"); call->inband_dtmf = 1; -todo break; -#endif case 'v': if (opt[1] != 'r' && opt[1] != 't') { CERROR(call, call->ast, "Option 'v' (volume) expects parameter.\n", opt); @@ -516,15 +581,24 @@ todo bchannel_gain(call->bchannel, call->tx_gain, 1); } break; + case 'k': + if (opt[1] != '\0') { + CERROR(call, call->ast, "Option 'k' (keypad) expects no parameter.\n", opt); + break; + } + CDEBUG(call, call->ast, "Option 'k' (keypad).\n"); + if (!call->keypad) + call->keypad = 1; + break; default: CERROR(call, call->ast, "Option '%s' unknown.\n", opt); } - } - + } + /* re-open, if bchannel is created */ if (call->bchannel && call->bchannel->b_sock > -1) { bchannel_destroy(call->bchannel); - if (bchannel_create(call->bchannel, ((call->nodsp)?1:0) + ((call->hdlc)?2:0))) + if (bchannel_create(call->bchannel, ((call->nodsp || call->faxdetect > 0)?1:0) + ((call->hdlc)?2:0), call->nodsp_queue)) bchannel_activate(call->bchannel, 1); } } @@ -537,48 +611,58 @@ static void send_setup_to_lcr(struct chan_call *call) { union parameter newparam; struct ast_channel *ast = call->ast; +// const char *tmp; if (!call->ast || !call->ref) return; +#ifdef AST_1_8_OR_HIGHER + CDEBUG(call, call->ast, "Sending setup to LCR. (interface=%s dialstring=%s, cid=%s)\n", call->interface, call->dialstring, call->callerinfo.id); +#else CDEBUG(call, call->ast, "Sending setup to LCR. (interface=%s dialstring=%s, cid=%s)\n", call->interface, call->dialstring, call->cid_num); +#endif /* send setup message to LCR */ memset(&newparam, 0, sizeof(union parameter)); - newparam.setup.dialinginfo.itype = INFO_ITYPE_ISDN; - newparam.setup.dialinginfo.ntype = INFO_NTYPE_UNKNOWN; - strncpy(newparam.setup.dialinginfo.id, call->dialstring, sizeof(newparam.setup.dialinginfo.id)-1); - strncpy(newparam.setup.dialinginfo.interfaces, call->interface, sizeof(newparam.setup.dialinginfo.interfaces)-1); - newparam.setup.callerinfo.itype = INFO_ITYPE_CHAN; - newparam.setup.callerinfo.ntype = INFO_NTYPE_UNKNOWN; + newparam.setup.dialinginfo.itype = INFO_ITYPE_ISDN; + newparam.setup.dialinginfo.ntype = INFO_NTYPE_UNKNOWN; + if (call->keypad) + strncpy(newparam.setup.dialinginfo.keypad, call->dialstring, sizeof(newparam.setup.dialinginfo.keypad)-1); + else + strncpy(newparam.setup.dialinginfo.id, call->dialstring, sizeof(newparam.setup.dialinginfo.id)-1); + if (!!strcmp(call->interface, "pbx")) + strncpy(newparam.setup.dialinginfo.interfaces, call->interface, sizeof(newparam.setup.dialinginfo.interfaces)-1); + newparam.setup.callerinfo.itype = INFO_ITYPE_CHAN; + newparam.setup.callerinfo.ntype = INFO_NTYPE_UNKNOWN; strncpy(newparam.setup.callerinfo.display, call->display, sizeof(newparam.setup.callerinfo.display)-1); call->display[0] = '\0'; + +#ifdef AST_1_8_OR_HIGHER + /* set stored call information */ + memcpy(&newparam.setup.callerinfo, &call->callerinfo, sizeof(struct caller_info)); + memcpy(&newparam.setup.redirinfo, &call->redirinfo, sizeof(struct redir_info)); +#else if (call->cid_num[0]) strncpy(newparam.setup.callerinfo.id, call->cid_num, sizeof(newparam.setup.callerinfo.id)-1); if (call->cid_name[0]) strncpy(newparam.setup.callerinfo.name, call->cid_name, sizeof(newparam.setup.callerinfo.name)-1); - if (call->cid_rdnis[0]) - { + if (call->cid_rdnis[0]) { strncpy(newparam.setup.redirinfo.id, call->cid_rdnis, sizeof(newparam.setup.redirinfo.id)-1); - newparam.setup.redirinfo.itype = INFO_ITYPE_CHAN; - newparam.setup.redirinfo.ntype = INFO_NTYPE_UNKNOWN; + newparam.setup.redirinfo.itype = INFO_ITYPE_CHAN; + newparam.setup.redirinfo.ntype = INFO_NTYPE_UNKNOWN; } - switch(ast->cid.cid_pres & AST_PRES_RESTRICTION) - { - case AST_PRES_ALLOWED: - newparam.setup.callerinfo.present = INFO_PRESENT_ALLOWED; - break; + switch(ast->cid.cid_pres & AST_PRES_RESTRICTION) { case AST_PRES_RESTRICTED: newparam.setup.callerinfo.present = INFO_PRESENT_RESTRICTED; break; case AST_PRES_UNAVAILABLE: newparam.setup.callerinfo.present = INFO_PRESENT_NOTAVAIL; break; + case AST_PRES_ALLOWED: default: - newparam.setup.callerinfo.present = INFO_PRESENT_NULL; + newparam.setup.callerinfo.present = INFO_PRESENT_ALLOWED; } - switch(ast->cid.cid_ton) - { + switch(ast->cid.cid_ton) { case 4: newparam.setup.callerinfo.ntype = INFO_NTYPE_SUBSCRIBER; break; @@ -591,6 +675,11 @@ static void send_setup_to_lcr(struct chan_call *call) default: newparam.setup.callerinfo.ntype = INFO_NTYPE_UNKNOWN; } +#endif +#warning DISABLED DUE TO DOUBLE LOCKING PROBLEM +// tmp = pbx_builtin_getvar_helper(ast, "LCR_TRANSFERCAPABILITY"); +// if (tmp && *tmp) +// ast->transfercapability = atoi(tmp); newparam.setup.capainfo.bearer_capa = ast->transfercapability; newparam.setup.capainfo.bearer_mode = INFO_BMODE_CIRCUIT; if (call->hdlc) @@ -618,12 +707,15 @@ static void send_dialque_to_lcr(struct chan_call *call) if (!call->ast || !call->ref || !call->dialque[0]) return; - + CDEBUG(call, call->ast, "Sending dial queue to LCR. (dialing=%s)\n", call->dialque); /* send setup message to LCR */ memset(&newparam, 0, sizeof(union parameter)); - strncpy(newparam.information.id, call->dialque, sizeof(newparam.information.id)-1); + if (call->keypad) + strncpy(newparam.information.keypad, call->dialque, sizeof(newparam.information.keypad)-1); + else + strncpy(newparam.information.id, call->dialque, sizeof(newparam.information.id)-1); call->dialque[0] = '\0'; send_message(MESSAGE_INFORMATION, call->ref, &newparam); } @@ -637,7 +729,7 @@ static void bridge_message_if_bridged(struct chan_call *call, int message_type, /* check bridge */ if (!call) return; if (!call->bridge_call) return; - CDEBUG(call, NULL, "Sending message due briding.\n"); + CDEBUG(call, NULL, "Sending message due bridging.\n"); send_message(message_type, call->bridge_call->ref, param); } @@ -671,21 +763,21 @@ static void lcr_start_pbx(struct chan_call *call, struct ast_channel *ast, int c { int cause, ret; union parameter newparam; + char *exten = ast->exten; + if (!*exten) + exten = "s"; - CDEBUG(call, ast, "Try to start pbx. (exten=%s context=%s complete=%s)\n", ast->exten, ast->context, complete?"yes":"no"); - - if (complete) - { + CDEBUG(call, ast, "Try to start pbx. (exten=%s context=%s complete=%s)\n", exten, ast->context, complete?"yes":"no"); + + if (complete) { /* if not match */ - if (!ast_canmatch_extension(ast, ast->context, ast->exten, 1, call->oad)) - { - CDEBUG(call, ast, "Got 'sending complete', but extension '%s' will not match at context '%s' - releasing.\n", ast->exten, ast->context); + if (!ast_canmatch_extension(ast, ast->context, exten, 1, call->oad)) { + CDEBUG(call, ast, "Got 'sending complete', but extension '%s' will not match at context '%s' - releasing.\n", exten, ast->context); cause = 1; goto release; } - if (!ast_exists_extension(ast, ast->context, ast->exten, 1, call->oad)) - { - CDEBUG(call, ast, "Got 'sending complete', but extension '%s' would match at context '%s', if more digits would be dialed - releasing.\n", ast->exten, ast->context); + if (!ast_exists_extension(ast, ast->context, exten, 1, call->oad)) { + CDEBUG(call, ast, "Got 'sending complete', but extension '%s' would match at context '%s', if more digits would be dialed - releasing.\n", exten, ast->context); cause = 28; goto release; } @@ -700,8 +792,7 @@ static void lcr_start_pbx(struct chan_call *call, struct ast_channel *ast, int c goto start; } - if (ast_canmatch_extension(ast, ast->context, ast->exten, 1, call->oad)) - { + if (ast_canmatch_extension(ast, ast->context, exten, 1, call->oad)) { /* send setup acknowledge to lcr */ if (call->state != CHAN_LCR_STATE_IN_DIALING) { memset(&newparam, 0, sizeof(union parameter)); @@ -712,7 +803,7 @@ static void lcr_start_pbx(struct chan_call *call, struct ast_channel *ast, int c call->state = CHAN_LCR_STATE_IN_DIALING; /* if match, start pbx */ - if (ast_exists_extension(ast, ast->context, ast->exten, 1, call->oad)) { + if (ast_exists_extension(ast, ast->context, exten, 1, call->oad)) { CDEBUG(call, ast, "Extensions matches.\n"); goto start; } @@ -722,6 +813,12 @@ static void lcr_start_pbx(struct chan_call *call, struct ast_channel *ast, int c return; } + if (!*ast->exten) { + /* if can match */ + CDEBUG(call, ast, "There is no 's' extension (and we tried to match it implicitly). Extensions may match, if more digits are dialed.\n"); + return; + } + /* if not match */ cause = 1; release: @@ -735,22 +832,23 @@ static void lcr_start_pbx(struct chan_call *call, struct ast_channel *ast, int c call->state = CHAN_LCR_STATE_RELEASE; ast_hangup(ast); // call will be destroyed here return; - + start: /* send setup to asterisk */ CDEBUG(call, ast, "Starting call to Asterisk due to matching extension.\n"); + + #ifdef LCR_FOR_CALLWEAVER + ast->type = "LCR"; + snprintf(ast->name, sizeof(ast->name), "LCR/%s-%04x",ast->cid.cid_num, ast_random() & 0xffff); + #endif + ret = ast_pbx_start(ast); - if (ret < 0) - { + if (ret < 0) { cause = (ret==-2)?34:27; goto release; } call->pbx_started = 1; -// if (call->state == CHAN_LCR_STATE_IN_DIALING) - ast_setstate(ast, AST_STATE_RINGING); -// else -// ast_setstate(ast, AST_STATE_RINGING); -// return; + ast_setstate(ast, AST_STATE_RING); } /* @@ -763,9 +861,20 @@ static void lcr_in_setup(struct chan_call *call, int message_type, union paramet CDEBUG(call, NULL, "Incomming setup from LCR. (callerid %s, dialing %s)\n", param->setup.callerinfo.id, param->setup.dialinginfo.id); /* create asterisk channel instrance */ + + #ifdef LCR_FOR_CALLWEAVER + ast = ast_channel_alloc(1); + #endif + + #ifdef LCR_FOR_ASTERISK +#ifdef AST_1_8_OR_HIGHER + ast = ast_channel_alloc(1, AST_STATE_RESERVED, NULL, NULL, "", NULL, "", "", 0, "%s/%d", lcr_type, ++glob_channel); +#else ast = ast_channel_alloc(1, AST_STATE_RESERVED, NULL, NULL, "", NULL, "", 0, "%s/%d", lcr_type, ++glob_channel); - if (!ast) - { +#endif + #endif + + if (!ast) { /* release */ CERROR(call, NULL, "Failed to create Asterisk channel - releasing.\n"); send_release_and_import(call, CAUSE_RESSOURCEUNAVAIL, LOCATION_PRIVATE_LOCAL); @@ -778,7 +887,7 @@ static void lcr_in_setup(struct chan_call *call, int message_type, union paramet ast->tech_pvt = call; ast->tech = &lcr_tech; ast->fds[0] = call->pipe[0]; - + /* fill setup information */ if (param->setup.dialinginfo.id) strncpy(ast->exten, param->setup.dialinginfo.id, AST_MAX_EXTENSION-1); @@ -786,14 +895,149 @@ static void lcr_in_setup(struct chan_call *call, int message_type, union paramet strncpy(ast->context, param->setup.context, AST_MAX_CONTEXT-1); else strncpy(ast->context, param->setup.callerinfo.interface, AST_MAX_CONTEXT-1); + + + +#ifdef AST_1_8_OR_HIGHER + if (param->setup.callerinfo.id[0]) { + ast->caller.id.number.valid = 1; + ast->caller.id.number.str = strdup(param->setup.callerinfo.id); + if (!param->setup.callerinfo.id[0]) { + ast->caller.id.number.presentation = AST_PRES_RESTRICTED; + ast->caller.id.number.plan = (0 << 4) | 1; + } + switch (param->setup.callerinfo.present) { + case INFO_PRESENT_ALLOWED: + ast->caller.id.number.presentation = AST_PRES_ALLOWED; + break; + case INFO_PRESENT_RESTRICTED: + ast->caller.id.number.presentation = AST_PRES_RESTRICTED; + break; + default: + ast->caller.id.number.presentation = AST_PRES_UNAVAILABLE; + } + switch (param->setup.callerinfo.screen) { + case INFO_SCREEN_USER: + ast->caller.id.number.presentation |= AST_PRES_USER_NUMBER_UNSCREENED; + break; + case INFO_SCREEN_USER_VERIFIED_PASSED: + ast->caller.id.number.presentation |= AST_PRES_USER_NUMBER_PASSED_SCREEN; + break; + case INFO_SCREEN_USER_VERIFIED_FAILED: + ast->caller.id.number.presentation |= AST_PRES_USER_NUMBER_FAILED_SCREEN; + break; + default: + ast->caller.id.number.presentation |= AST_PRES_NETWORK_NUMBER; + } + switch (param->setup.callerinfo.ntype) { + case INFO_NTYPE_SUBSCRIBER: + ast->caller.id.number.plan = (4 << 4) | 1; + break; + case INFO_NTYPE_NATIONAL: + ast->caller.id.number.plan = (2 << 4) | 1; + break; + case INFO_NTYPE_INTERNATIONAL: + ast->caller.id.number.plan = (1 << 4) | 1; + break; + default: + ast->caller.id.number.plan = (0 << 4) | 1; + } + } + if (param->setup.callerinfo.id2[0]) { + ast->caller.ani.number.valid = 1; + ast->caller.ani.number.str = strdup(param->setup.callerinfo.id2); + switch (param->setup.callerinfo.present2) { + case INFO_PRESENT_ALLOWED: + ast->caller.ani.number.presentation = AST_PRES_ALLOWED; + break; + case INFO_PRESENT_RESTRICTED: + ast->caller.ani.number.presentation = AST_PRES_RESTRICTED; + break; + default: + ast->caller.ani.number.presentation = AST_PRES_UNAVAILABLE; + } + switch (param->setup.callerinfo.screen2) { + case INFO_SCREEN_USER: + ast->caller.ani.number.presentation |= AST_PRES_USER_NUMBER_UNSCREENED; + break; + case INFO_SCREEN_USER_VERIFIED_PASSED: + ast->caller.ani.number.presentation |= AST_PRES_USER_NUMBER_PASSED_SCREEN; + break; + case INFO_SCREEN_USER_VERIFIED_FAILED: + ast->caller.ani.number.presentation |= AST_PRES_USER_NUMBER_FAILED_SCREEN; + break; + default: + ast->caller.ani.number.presentation |= AST_PRES_NETWORK_NUMBER; + } + switch (param->setup.callerinfo.ntype2) { + case INFO_NTYPE_SUBSCRIBER: + ast->caller.ani.number.plan = (4 << 4) | 1; + break; + case INFO_NTYPE_NATIONAL: + ast->caller.ani.number.plan = (2 << 4) | 1; + break; + case INFO_NTYPE_INTERNATIONAL: + ast->caller.ani.number.plan = (1 << 4) | 1; + break; + default: + ast->caller.ani.number.plan = (0 << 4) | 1; + } + } + if (param->setup.callerinfo.name[0]) { + ast->caller.id.name.valid = 1; + ast->caller.id.name.str = strdup(param->setup.callerinfo.name); + } + if (param->setup.redirinfo.id[0]) { + ast->redirecting.from.number.valid = 1; + ast->redirecting.from.number.str = strdup(param->setup.redirinfo.id); + switch (param->setup.redirinfo.present) { + case INFO_PRESENT_ALLOWED: + ast->redirecting.from.number.presentation = AST_PRES_ALLOWED; + break; + case INFO_PRESENT_RESTRICTED: + ast->redirecting.from.number.presentation = AST_PRES_RESTRICTED; + break; + default: + ast->redirecting.from.number.presentation = AST_PRES_UNAVAILABLE; + } + switch (param->setup.redirinfo.screen) { + case INFO_SCREEN_USER: + ast->redirecting.from.number.presentation |= AST_PRES_USER_NUMBER_UNSCREENED; + break; + case INFO_SCREEN_USER_VERIFIED_PASSED: + ast->redirecting.from.number.presentation |= AST_PRES_USER_NUMBER_PASSED_SCREEN; + break; + case INFO_SCREEN_USER_VERIFIED_FAILED: + ast->redirecting.from.number.presentation |= AST_PRES_USER_NUMBER_FAILED_SCREEN; + break; + default: + ast->redirecting.from.number.presentation |= AST_PRES_NETWORK_NUMBER; + } + switch (param->setup.redirinfo.ntype) { + case INFO_NTYPE_SUBSCRIBER: + ast->redirecting.from.number.plan = (4 << 4) | 1; + break; + case INFO_NTYPE_NATIONAL: + ast->redirecting.from.number.plan = (2 << 4) | 1; + break; + case INFO_NTYPE_INTERNATIONAL: + ast->redirecting.from.number.plan = (1 << 4) | 1; + break; + default: + ast->redirecting.from.number.plan = (0 << 4) | 1; + } + } +#else + memset(&ast->cid, 0, sizeof(ast->cid)); if (param->setup.callerinfo.id[0]) ast->cid.cid_num = strdup(param->setup.callerinfo.id); + if (param->setup.callerinfo.id2[0]) + ast->cid.cid_ani = strdup(param->setup.callerinfo.id2); if (param->setup.callerinfo.name[0]) ast->cid.cid_name = strdup(param->setup.callerinfo.name); if (param->setup.redirinfo.id[0]) - ast->cid.cid_name = strdup(numberrize_callerinfo(param->setup.callerinfo.id, param->setup.callerinfo.ntype, options.national, options.international)); - switch (param->setup.callerinfo.present) - { + ast->cid.cid_rdnis = strdup(numberrize_callerinfo(param->setup.redirinfo.id, param->setup.redirinfo.ntype, options.national, options.international)); + switch (param->setup.callerinfo.present) { case INFO_PRESENT_ALLOWED: ast->cid.cid_pres = AST_PRES_ALLOWED; break; @@ -803,8 +1047,7 @@ static void lcr_in_setup(struct chan_call *call, int message_type, union paramet default: ast->cid.cid_pres = AST_PRES_UNAVAILABLE; } - switch (param->setup.callerinfo.ntype) - { + switch (param->setup.callerinfo.ntype) { case INFO_NTYPE_SUBSCRIBER: ast->cid.cid_ton = 4; break; @@ -817,6 +1060,8 @@ static void lcr_in_setup(struct chan_call *call, int message_type, union paramet default: ast->cid.cid_ton = 0; } +#endif + ast->transfercapability = param->setup.capainfo.bearer_capa; /* enable hdlc if transcap is data */ if (param->setup.capainfo.source_mode == B_MODE_HDLC) @@ -863,8 +1108,15 @@ static void lcr_in_proceeding(struct chan_call *call, int message_type, union pa /* change state */ call->state = CHAN_LCR_STATE_OUT_PROCEEDING; /* queue event for asterisk */ - if (call->ast && call->pbx_started) + if (call->ast && call->pbx_started) { + if (!wake_global) { + wake_global = 1; + char byte = 0; + write(wake_pipe[1], &byte, 1); + } strncat(call->queue_string, "P", sizeof(call->queue_string)-1); + } + } /* @@ -877,8 +1129,14 @@ static void lcr_in_alerting(struct chan_call *call, int message_type, union para /* change state */ call->state = CHAN_LCR_STATE_OUT_ALERTING; /* queue event to asterisk */ - if (call->ast && call->pbx_started) + if (call->ast && call->pbx_started) { + if (!wake_global) { + wake_global = 1; + char byte = 0; + write(wake_pipe[1], &byte, 1); + } strncat(call->queue_string, "R", sizeof(call->queue_string)-1); + } } /* @@ -902,8 +1160,14 @@ static void lcr_in_connect(struct chan_call *call, int message_type, union param /* copy connectinfo */ memcpy(&call->connectinfo, ¶m->connectinfo, sizeof(struct connect_info)); /* queue event to asterisk */ - if (call->ast && call->pbx_started) - strncat(call->queue_string, "A", sizeof(call->queue_string)-1); + if (call->ast && call->pbx_started) { + if (!wake_global) { + wake_global = 1; + char byte = 0; + write(wake_pipe[1], &byte, 1); + } + strncat(call->queue_string, "N", sizeof(call->queue_string)-1); + } } /* @@ -923,8 +1187,7 @@ static void lcr_in_disconnect(struct chan_call *call, int message_type, union pa /* if bridge, forward disconnect and return */ #ifdef TODO feature flag - if (call->bridge_call) - { + if (call->bridge_call) { CDEBUG(call, call->ast, "Only signal disconnect via bridge.\n"); bridge_message_if_bridged(call, message_type, param); return; @@ -936,19 +1199,23 @@ static void lcr_in_disconnect(struct chan_call *call, int message_type, union pa /* change to release state */ call->state = CHAN_LCR_STATE_RELEASE; /* queue release asterisk */ - if (ast) - { + if (ast) { ast->hangupcause = call->cause; - if (call->pbx_started) + if (call->pbx_started) { + if (!wake_global) { + wake_global = 1; + char byte = 0; + write(wake_pipe[1], &byte, 1); + } strcpy(call->queue_string, "H"); // overwrite other indications - else { + } else { ast_hangup(ast); // call will be destroyed here } } } /* - * incoming setup acknowledge from LCR + * incoming release from LCR */ static void lcr_in_release(struct chan_call *call, int message_type, union parameter *param) { @@ -961,25 +1228,27 @@ static void lcr_in_release(struct chan_call *call, int message_type, union param /* change to release state */ call->state = CHAN_LCR_STATE_RELEASE; /* copy release info */ - if (!call->cause) - { - call->cause = param->disconnectinfo.cause; - call->location = param->disconnectinfo.location; + if (!call->cause) { + call->cause = param->disconnectinfo.cause; + call->location = param->disconnectinfo.location; } /* if we have an asterisk instance, queue hangup, else we are done */ - if (ast) - { + if (ast) { ast->hangupcause = call->cause; - if (call->pbx_started) + if (call->pbx_started) { + if (!wake_global) { + wake_global = 1; + char byte = 0; + write(wake_pipe[1], &byte, 1); + } strcpy(call->queue_string, "H"); - else { + } else { ast_hangup(ast); // call will be destroyed here } - } else - { + } else { free_call(call); } - + } /* @@ -990,32 +1259,37 @@ static void lcr_in_information(struct chan_call *call, int message_type, union p struct ast_channel *ast = call->ast; CDEBUG(call, call->ast, "Incoming information from LCR. (dialing=%s)\n", param->information.id); - + if (!ast) return; /* pbx not started */ - if (!call->pbx_started) - { + if (!call->pbx_started) { CDEBUG(call, call->ast, "Asterisk not started, adding digits to number.\n"); strncat(ast->exten, param->information.id, AST_MAX_EXTENSION-1); lcr_start_pbx(call, ast, param->information.sending_complete); return; } - + /* change dailing state after setup */ if (call->state == CHAN_LCR_STATE_IN_SETUP) { CDEBUG(call, call->ast, "Changing from SETUP to DIALING state.\n"); call->state = CHAN_LCR_STATE_IN_DIALING; // ast_setstate(ast, AST_STATE_DIALING); } - + /* queue digits */ - if (call->state == CHAN_LCR_STATE_IN_DIALING && param->information.id[0]) + if (call->state == CHAN_LCR_STATE_IN_DIALING && param->information.id[0]) { + if (!wake_global) { + wake_global = 1; + char byte = 0; + write(wake_pipe[1], &byte, 1); + } strncat(call->queue_string, param->information.id, sizeof(call->queue_string)-1); + } /* use bridge to forware message not supported by asterisk */ if (call->state == CHAN_LCR_STATE_CONNECT) { - CDEBUG(call, call->ast, "Call is connected, briding.\n"); + CDEBUG(call, call->ast, "Call is connected, bridging.\n"); bridge_message_if_bridged(call, message_type, param); } } @@ -1057,6 +1331,40 @@ static void lcr_in_facility(struct chan_call *call, int message_type, union para } /* + * incoming pattern from LCR + */ +static void lcr_in_pattern(struct chan_call *call, int message_type, union parameter *param) +{ + union parameter newparam; + + CDEBUG(call, call->ast, "Incomming pattern indication from LCR.\n"); + + if (!call->ast) return; + + /* pattern are indicated only once */ + if (call->has_pattern) + return; + call->has_pattern = 1; + + /* request bchannel */ + if (!call->bchannel) { + CDEBUG(call, call->ast, "Requesting B-channel.\n"); + memset(&newparam, 0, sizeof(union parameter)); + newparam.bchannel.type = BCHANNEL_REQUEST; + send_message(MESSAGE_BCHANNEL, call->ref, &newparam); + } + /* queue PROGRESS, because tones are available */ + if (call->ast && call->pbx_started) { + if (!wake_global) { + wake_global = 1; + char byte = 0; + write(wake_pipe[1], &byte, 1); + } + strncat(call->queue_string, "T", sizeof(call->queue_string)-1); + } +} + +/* * got dtmf from bchannel (locked state) */ void lcr_in_dtmf(struct chan_call *call, int val) @@ -1069,9 +1377,19 @@ void lcr_in_dtmf(struct chan_call *call, int val) if (!call->pbx_started) return; + if (!call->dsp_dtmf) { + CDEBUG(call, call->ast, "Recognised DTMF digit '%c', but ignoring. This is fixed in later mISDN driver.\n", val); + return; + } + CDEBUG(call, call->ast, "Recognised DTMF digit '%c'.\n", val); digit[0] = val; digit[1] = '\0'; + if (!wake_global) { + wake_global = 1; + char byte = 0; + write(wake_pipe[1], &byte, 1); + } strncat(call->queue_string, digit, sizeof(call->queue_string)-1); } @@ -1087,47 +1405,40 @@ int receive_message(int message_type, unsigned int ref, union parameter *param) memset(&newparam, 0, sizeof(union parameter)); /* handle bchannel message*/ - if (message_type == MESSAGE_BCHANNEL) - { - switch(param->bchannel.type) - { + if (message_type == MESSAGE_BCHANNEL) { + switch(param->bchannel.type) { case BCHANNEL_ASSIGN: CDEBUG(NULL, NULL, "Received BCHANNEL_ASSIGN message. (handle=%08lx) for ref %d\n", param->bchannel.handle, ref); - if ((bchannel = find_bchannel_handle(param->bchannel.handle))) - { + if ((bchannel = find_bchannel_handle(param->bchannel.handle))) { CERROR(NULL, NULL, "bchannel handle %x already assigned.\n", (int)param->bchannel.handle); - return(-1); + return -1; } /* create bchannel */ bchannel = alloc_bchannel(param->bchannel.handle); - if (!bchannel) - { + if (!bchannel) { CERROR(NULL, NULL, "alloc bchannel handle %x failed.\n", (int)param->bchannel.handle); - return(-1); + return -1; } /* configure channel */ bchannel->b_tx_gain = param->bchannel.tx_gain; bchannel->b_rx_gain = param->bchannel.rx_gain; strncpy(bchannel->b_pipeline, param->bchannel.pipeline, sizeof(bchannel->b_pipeline)-1); - if (param->bchannel.crypt_len && param->bchannel.crypt_len <= sizeof(bchannel->b_bf_key)) - { + if (param->bchannel.crypt_len && param->bchannel.crypt_len <= sizeof(bchannel->b_bf_key)) { bchannel->b_bf_len = param->bchannel.crypt_len; memcpy(bchannel->b_bf_key, param->bchannel.crypt, param->bchannel.crypt_len); } bchannel->b_txdata = 0; - bchannel->b_dtmf = 1; bchannel->b_tx_dejitter = 1; /* in case, ref is not set, this bchannel instance must * be created until it is removed again by LCR */ /* link to call */ call = find_call_ref(ref); - if (call) - { + if (call) { bchannel->call = call; call->bchannel = bchannel; - if (call->dtmf) + if (call->dsp_dtmf) bchannel_dtmf(bchannel, 1); if (call->bf_len) bchannel_blowfish(bchannel, call->bf_key, call->bf_len); @@ -1141,8 +1452,12 @@ int receive_message(int message_type, unsigned int ref, union parameter *param) CDEBUG(call, call->ast, "Join bchannel, because call is already bridged.\n"); bchannel_join(bchannel, call->bridge_id); } + /* ignore all dsp features, if it is a loopback interface */ + if (param->bchannel.isloopback) + call->nodsp = 1; + /* create only, if call exists, othewhise it bchannel is freed below... */ - if (bchannel_create(bchannel, ((call->nodsp)?1:0) + ((call->hdlc)?2:0))) + if (bchannel_create(bchannel, ((call->nodsp || call->faxdetect > 0)?1:0) + ((call->hdlc)?2:0), call->nodsp_queue)) bchannel_activate(bchannel, 1); } /* acknowledge */ @@ -1160,10 +1475,9 @@ int receive_message(int message_type, unsigned int ref, union parameter *param) case BCHANNEL_REMOVE: CDEBUG(NULL, NULL, "Received BCHANNEL_REMOVE message. (handle=%08lx)\n", param->bchannel.handle); - if (!(bchannel = find_bchannel_handle(param->bchannel.handle))) - { + if (!(bchannel = find_bchannel_handle(param->bchannel.handle))) { CERROR(NULL, NULL, "Bchannel handle %x not assigned.\n", (int)param->bchannel.handle); - return(-1); + return -1; } /* unklink from call and destroy bchannel */ free_bchannel(bchannel); @@ -1172,26 +1486,23 @@ int receive_message(int message_type, unsigned int ref, union parameter *param) newparam.bchannel.type = BCHANNEL_REMOVE_ACK; newparam.bchannel.handle = param->bchannel.handle; send_message(MESSAGE_BCHANNEL, 0, &newparam); - + break; default: CDEBUG(NULL, NULL, "Received unknown bchannel message %d.\n", param->bchannel.type); } - return(0); + return 0; } /* handle new ref */ - if (message_type == MESSAGE_NEWREF) - { - if (param->direction) - { + if (message_type == MESSAGE_NEWREF) { + if (param->newref.direction) { /* new ref from lcr */ CDEBUG(NULL, NULL, "Received new ref by LCR, due to incomming call. (ref=%ld)\n", ref); - if (!ref || find_call_ref(ref)) - { + if (!ref || find_call_ref(ref)) { CERROR(NULL, NULL, "Illegal new ref %ld received.\n", ref); - return(-1); + return -1; } /* allocate new call instance */ call = alloc_call(); @@ -1199,27 +1510,29 @@ int receive_message(int message_type, unsigned int ref, union parameter *param) call->state = CHAN_LCR_STATE_IN_PREPARE; /* set ref */ call->ref = ref; + call->ref_was_assigned = 1; + /* set dtmf (default, use option 'n' to disable */ + call->dsp_dtmf = 1; /* wait for setup (or release from asterisk) */ - } else - { + } else { /* new ref, as requested from this remote application */ CDEBUG(NULL, NULL, "Received new ref by LCR, as requested from chan_lcr. (ref=%ld)\n", ref); call = find_call_ref(0); - if (!call) - { + if (!call) { /* send release, if ref does not exist */ - CDEBUG(NULL, NULL, "No call found, that requests a ref.\n"); - send_release_and_import(call, CAUSE_NORMAL, LOCATION_PRIVATE_LOCAL); - return(0); + CERROR(NULL, NULL, "No call found, that requests a ref.\n"); + return 0; } /* store new ref */ call->ref = ref; + call->ref_was_assigned = 1; + /* set dtmf (default, use option 'n' to disable */ + call->dsp_dtmf = 1; /* send pending setup info */ if (call->state == CHAN_LCR_STATE_OUT_PREPARE) send_setup_to_lcr(call); /* release if asterisk has signed off */ - else if (call->state == CHAN_LCR_STATE_RELEASE) - { + else if (call->state == CHAN_LCR_STATE_RELEASE) { /* send release */ if (call->cause) send_release_and_import(call, call->cause, call->location); @@ -1227,29 +1540,26 @@ int receive_message(int message_type, unsigned int ref, union parameter *param) send_release_and_import(call, CAUSE_NORMAL, LOCATION_PRIVATE_LOCAL); /* free call */ free_call(call); - return(0); + return 0; } } - return(0); + return 0; } /* check ref */ - if (!ref) - { + if (!ref) { CERROR(NULL, NULL, "Received message %d without ref.\n", message_type); - return(-1); + return -1; } call = find_call_ref(ref); - if (!call) - { + if (!call) { /* ignore ref that is not used (anymore) */ CDEBUG(NULL, NULL, "Message %d from LCR ignored, because no call instance found.\n", message_type); - return(0); + return 0; } /* handle messages */ - switch(message_type) - { + switch(message_type) { case MESSAGE_SETUP: lcr_in_setup(call, message_type, param); break; @@ -1291,6 +1601,8 @@ int receive_message(int message_type, unsigned int ref, union parameter *param) break; case MESSAGE_PATTERN: // audio available from LCR + if (!call->has_pattern) + lcr_in_pattern(call, message_type, param); break; case MESSAGE_NOPATTERN: // audio not available from LCR @@ -1304,7 +1616,7 @@ int receive_message(int message_type, unsigned int ref, union parameter *param) CDEBUG(call, call->ast, "Message %d from LCR unhandled.\n", message_type); break; } - return(0); + return 0; } /* @@ -1337,6 +1649,11 @@ again: goto again; } CDEBUG(call, call->ast, "Queue call release, because Asterisk channel is running.\n"); + if (!wake_global) { + wake_global = 1; + char byte = 0; + write(wake_pipe[1], &byte, 1); + } strcpy(call->queue_string, "H"); call = call->next; } @@ -1346,80 +1663,74 @@ again: free_bchannel(bchannel_first); } +void close_socket(void); /* asterisk handler * warning! not thread safe * returns -1 for socket error, 0 for no work, 1 for work */ -int handle_socket(void) +static int handle_socket(struct lcr_fd *fd, unsigned int what, void *instance, int index) { - int work = 0; int len; struct admin_list *admin; struct admin_message msg; - /* read from socket */ - len = read(lcr_sock, &msg, sizeof(msg)); - if (len == 0) - { - CERROR(NULL, NULL, "Socket closed.\n"); - return(-1); // socket closed - } - if (len > 0) - { - if (len != sizeof(msg)) - { - CERROR(NULL, NULL, "Socket short read. (len %d)\n", len); - return(-1); // socket error + if ((what & LCR_FD_READ)) { + /* read from socket */ + len = read(lcr_sock, &msg, sizeof(msg)); + if (len == 0) { + CERROR(NULL, NULL, "Socket closed.(read)\n"); + error: + CERROR(NULL, NULL, "Handling of socket failed - closing for some seconds.\n"); + close_socket(); + release_all_calls(); + schedule_timer(&socket_retry, SOCKET_RETRY_TIMER, 0); + return 0; } - if (msg.message != ADMIN_MESSAGE) - { - CERROR(NULL, NULL, "Socket received illegal message %d.\n", msg.message); - return(-1); - } - receive_message(msg.u.msg.type, msg.u.msg.ref, &msg.u.msg.param); - work = 1; - } else - { - if (errno != EWOULDBLOCK) - { + if (len > 0) { + if (len != sizeof(msg)) { + CERROR(NULL, NULL, "Socket short read. (len %d)\n", len); + goto error; + } + if (msg.message != ADMIN_MESSAGE) { + CERROR(NULL, NULL, "Socket received illegal message %d.\n", msg.message); + goto error; + } + receive_message(msg.u.msg.type, msg.u.msg.ref, &msg.u.msg.param); + } else { CERROR(NULL, NULL, "Socket failed (errno %d).\n", errno); - return(-1); + goto error; } } - /* write to socket */ - if (!admin_first) - return(work); - admin = admin_first; - len = write(lcr_sock, &admin->msg, sizeof(msg)); - if (len == 0) - { - CERROR(NULL, NULL, "Socket closed.\n"); - return(-1); // socket closed - } - if (len > 0) - { - if (len != sizeof(msg)) - { - CERROR(NULL, NULL, "Socket short write. (len %d)\n", len); - return(-1); // socket error + if ((what & LCR_FD_WRITE)) { + /* write to socket */ + if (!admin_first) { + socket_fd.when &= ~LCR_FD_WRITE; + return 0; } - /* free head */ - admin_first = admin->next; - free(admin); - - work = 1; - } else - { - if (errno != EWOULDBLOCK) - { + admin = admin_first; + len = write(lcr_sock, &admin->msg, sizeof(msg)); + if (len == 0) { + CERROR(NULL, NULL, "Socket closed.(write)\n"); + goto error; + } + if (len > 0) { + if (len != sizeof(msg)) { + CERROR(NULL, NULL, "Socket short write. (len %d)\n", len); + goto error; + } + /* free head */ + admin_first = admin->next; + free(admin); + global_change = 1; + } else { CERROR(NULL, NULL, "Socket failed (errno %d).\n", errno); - return(-1); + goto error; } } - return(work); + return 0; } /* @@ -1427,17 +1738,14 @@ int handle_socket(void) */ int open_socket(void) { - int ret; int conn; struct sockaddr_un sock_address; - unsigned int on = 1; union parameter param; /* open socket */ - if ((lcr_sock = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) - { + if ((lcr_sock = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) { CERROR(NULL, NULL, "Failed to create socket.\n"); - return(lcr_sock); + return lcr_sock; } /* set socket address and name */ @@ -1446,35 +1754,32 @@ int open_socket(void) sprintf(sock_address.sun_path, SOCKET_NAME, options.lock); /* connect socket */ - if ((conn = connect(lcr_sock, (struct sockaddr *)&sock_address, SUN_LEN(&sock_address))) < 0) - { + if ((conn = connect(lcr_sock, (struct sockaddr *)&sock_address, SUN_LEN(&sock_address))) < 0) { close(lcr_sock); lcr_sock = -1; CDEBUG(NULL, NULL, "Failed to connect to socket '%s'. Is LCR running?\n", sock_address.sun_path); - return(conn); + return conn; } - /* set non-blocking io */ - if ((ret = ioctl(lcr_sock, FIONBIO, (unsigned char *)(&on))) < 0) - { - close(lcr_sock); - lcr_sock = -1; - CERROR(NULL, NULL, "Failed to set socket into non-blocking IO.\n"); - return(ret); - } + /* register socket fd */ + memset(&socket_fd, 0, sizeof(socket_fd)); + socket_fd.fd = lcr_sock; + register_fd(&socket_fd, LCR_FD_READ | LCR_FD_EXCEPT, handle_socket, NULL, 0); /* enque hello message */ memset(¶m, 0, sizeof(param)); strcpy(param.hello.application, "asterisk"); send_message(MESSAGE_HELLO, 0, ¶m); - return(lcr_sock); + return lcr_sock; } void close_socket(void) { struct admin_list *admin, *temp; - + + unregister_fd(&socket_fd); + /* flush pending messages */ admin = admin_first; while(admin) { @@ -1485,152 +1790,154 @@ void close_socket(void) admin_first = NULL; /* close socket */ - if (lcr_sock >= 0) + if (lcr_sock >= 0) close(lcr_sock); lcr_sock = -1; + global_change = 1; } /* sending queue to asterisk */ -static int queue_send(void) +static int wake_event(struct lcr_fd *fd, unsigned int what, void *instance, int index) +{ + char byte; + + read(wake_pipe[0], &byte, 1); + + wake_global = 0; + + return 0; +} + +static void handle_queue() { - int work = 0; struct chan_call *call; struct ast_channel *ast; struct ast_frame fr; char *p; +again: call = call_first; while(call) { p = call->queue_string; ast = call->ast; if (*p && ast) { - /* there is something to queue */ - if (!ast_channel_trylock(ast)) { /* succeed */ - while(*p) { - switch (*p) { - case 'P': - CDEBUG(call, ast, "Sending queued PROCEEDING to Asterisk.\n"); - ast_queue_control(ast, AST_CONTROL_PROCEEDING); - break; - case 'R': - CDEBUG(call, ast, "Sending queued RINGING to Asterisk.\n"); - ast_queue_control(ast, AST_CONTROL_RINGING); - break; - case 'A': - CDEBUG(call, ast, "Sending queued ANSWER to Asterisk.\n"); - ast_queue_control(ast, AST_CONTROL_ANSWER); - break; - case 'H': - CDEBUG(call, ast, "Sending queued HANGUP to Asterisk.\n"); - ast_queue_hangup(ast); - break; - case '1': case '2': case '3': case 'a': - case '4': case '5': case '6': case 'b': - case '7': case '8': case '9': case 'c': - case '*': case '0': case '#': case 'd': - CDEBUG(call, ast, "Sending queued digit '%c' to Asterisk.\n", *p); - /* send digit to asterisk */ - memset(&fr, 0, sizeof(fr)); - fr.frametype = AST_FRAME_DTMF_BEGIN; - fr.subclass = *p; - fr.delivery = ast_tv(0, 0); - ast_queue_frame(ast, &fr); - fr.frametype = AST_FRAME_DTMF_END; - ast_queue_frame(ast, &fr); - break; - default: - CDEBUG(call, ast, "Ignoring queued digit 0x%02d.\n", *p); - } - p++; + if (ast_channel_trylock(ast)) { + ast_mutex_unlock(&chan_lock); + usleep(1); + ast_mutex_lock(&chan_lock); + goto again; + } + while(*p) { + switch (*p) { + case 'T': + CDEBUG(call, ast, "Sending queued PROGRESS to Asterisk.\n"); + ast_queue_control(ast, AST_CONTROL_PROGRESS); + break; + case 'P': + CDEBUG(call, ast, "Sending queued PROCEEDING to Asterisk.\n"); + ast_queue_control(ast, AST_CONTROL_PROCEEDING); + break; + case 'R': + CDEBUG(call, ast, "Sending queued RINGING to Asterisk.\n"); + ast_queue_control(ast, AST_CONTROL_RINGING); + ast_setstate(ast, AST_STATE_RINGING); + break; + case 'N': + CDEBUG(call, ast, "Sending queued ANSWER to Asterisk.\n"); + ast_queue_control(ast, AST_CONTROL_ANSWER); + break; + case 'H': + CDEBUG(call, ast, "Sending queued HANGUP to Asterisk.\n"); + ast_queue_hangup(ast); + break; + case '1': case '2': case '3': case 'A': + case '4': case '5': case '6': case 'B': + case '7': case '8': case '9': case 'C': + case '*': case '0': case '#': case 'D': + CDEBUG(call, ast, "Sending queued digit '%c' to Asterisk.\n", *p); + /* send digit to asterisk */ + memset(&fr, 0, sizeof(fr)); + + #ifdef LCR_FOR_ASTERISK + fr.frametype = AST_FRAME_DTMF_BEGIN; + #endif + + #ifdef LCR_FOR_CALLWEAVER + fr.frametype = AST_FRAME_DTMF; + #endif + +#ifdef AST_1_8_OR_HIGHER + fr.subclass.integer = *p; +#else + fr.subclass = *p; +#endif + fr.delivery = ast_tv(0, 0); + ast_queue_frame(ast, &fr); + + #ifdef LCR_FOR_ASTERISK + fr.frametype = AST_FRAME_DTMF_END; + ast_queue_frame(ast, &fr); + #endif + + break; + default: + CDEBUG(call, ast, "Ignoring queued digit 0x%02x.\n", *p); } - call->queue_string[0] = '\0'; - ast_channel_unlock(ast); - work = 1; + p++; } + call->queue_string[0] = '\0'; + ast_channel_unlock(ast); } call = call->next; } +} + +static int handle_retry(struct lcr_timer *timer, void *instance, int index) +{ + CDEBUG(NULL, NULL, "Retry to open socket.\n"); + if (open_socket() < 0) + schedule_timer(&socket_retry, SOCKET_RETRY_TIMER, 0); - return work; + return 0; } -/* signal handler */ -void sighandler(int sigset) +void lock_chan(void) { + ast_mutex_lock(&chan_lock); +} + +void unlock_chan(void) +{ + ast_mutex_unlock(&chan_lock); } /* chan_lcr thread */ static void *chan_thread(void *arg) { - int work; - int ret; - union parameter param; - time_t retry = 0, now; + if (pipe(wake_pipe) < 0) { + CERROR(NULL, NULL, "Failed to open pipe.\n"); + return NULL; + } + memset(&wake_fd, 0, sizeof(wake_fd)); + wake_fd.fd = wake_pipe[0]; + register_fd(&wake_fd, LCR_FD_READ, wake_event, NULL, 0); + + memset(&socket_retry, 0, sizeof(socket_retry)); + add_timer(&socket_retry, handle_retry, NULL, 0); bchannel_pid = getpid(); -// signal(SIGPIPE, sighandler); - - memset(¶m, 0, sizeof(union parameter)); - if (lcr_sock < 0) - time(&retry); + /* open socket the first time */ + handle_retry(NULL, NULL, 0); ast_mutex_lock(&chan_lock); - while(!quit) { - work = 0; - - if (lcr_sock > 0) { - /* handle socket */ - ret = handle_socket(); - if (ret < 0) { - CERROR(NULL, NULL, "Handling of socket failed - closing for some seconds.\n"); - close_socket(); - release_all_calls(); - time(&retry); - } - if (ret) - work = 1; - } else { - time(&now); - if (retry && now-retry > 5) { - CDEBUG(NULL, NULL, "Retry to open socket.\n"); - retry = 0; - if (open_socket() < 0) { - time(&retry); - } - work = 1; - } - - } - - /* handle mISDN */ - ret = bchannel_handle(); - if (ret) - work = 1; - - /* handle messages to asterisk */ - ret = queue_send(); - if (ret) - work = 1; - - /* delay if no work done */ - if (!work) { - ast_mutex_unlock(&chan_lock); - usleep(30000); - ast_mutex_lock(&chan_lock); - } + while(1) { + handle_queue(); + select_main(0, &global_change, lock_chan, unlock_chan); } - close_socket(); - - CERROR(NULL, NULL, "Thread exit.\n"); - - ast_mutex_unlock(&chan_lock); - -// signal(SIGPIPE, SIG_DFL); - return NULL; } @@ -1638,18 +1945,21 @@ static void *chan_thread(void *arg) * new asterisk instance */ static +#ifdef AST_1_8_OR_HIGHER +struct ast_channel *lcr_request(const char *type, format_t format, const struct ast_channel *requestor, void *data, int *cause) +#else struct ast_channel *lcr_request(const char *type, int format, void *data, int *cause) +#endif { char exten[256], *dial, *interface, *opt; struct ast_channel *ast; - struct chan_call *call; + struct chan_call *call; ast_mutex_lock(&chan_lock); CDEBUG(NULL, NULL, "Received request from Asterisk. (data=%s)\n", (char *)data); /* if socket is closed */ - if (lcr_sock < 0) - { + if (lcr_sock < 0) { CERROR(NULL, NULL, "Rejecting call from Asterisk, because LCR not running.\n"); ast_mutex_unlock(&chan_lock); return NULL; @@ -1657,17 +1967,27 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c /* create call instance */ call = alloc_call(); - if (!call) - { + if (!call) { /* failed to create instance */ ast_mutex_unlock(&chan_lock); return NULL; } /* create asterisk channel instrance */ + + #ifdef LCR_FOR_ASTERISK +#ifdef AST_1_8_OR_HIGHER + ast = ast_channel_alloc(1, AST_STATE_RESERVED, NULL, NULL, NULL, NULL, NULL, NULL, 0, "%s/%d", lcr_type, ++glob_channel); +#else ast = ast_channel_alloc(1, AST_STATE_RESERVED, NULL, NULL, "", NULL, "", 0, "%s/%d", lcr_type, ++glob_channel); - if (!ast) - { +#endif + #endif + + #ifdef LCR_FOR_CALLWEAVER + ast = ast_channel_alloc(1); + #endif + + if (!ast) { CERROR(NULL, NULL, "Failed to create Asterisk channel.\n"); free_call(call); /* failed to create instance */ @@ -1716,6 +2036,227 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c strncpy(call->dialstring, dial, sizeof(call->dialstring)-1); apply_opt(call, (char *)opt); +#ifdef AST_1_8_OR_HIGHER +// clone_variables(requestor, ast); + +#if 0 + ast->caller.ani.number.valid= requestor->caller.ani.number.valid; + if (requestor->caller.ani.number.valid) + if (requestor->caller.ani.number.str) + if (requestor->caller.ani.number.str[0]) + ast->caller.ani.number.str= strdup(requestor->caller.ani.number.str); + ast->caller.ani.number.plan= requestor->caller.ani.number.plan; + ast->caller.ani.number.presentation= requestor->caller.ani.number.presentation; + + ast->caller.ani.name.valid= requestor->caller.ani.name.valid; + if (requestor->caller.ani.name.valid) + if (requestor->caller.ani.name.str) + if (requestor->caller.ani.name.str[0]) + ast->caller.ani.name.str= strdup(requestor->caller.ani.name.str); + ast->caller.ani.name.presentation= requestor->caller.ani.name.presentation; + + ast->caller.ani.subaddress.valid= requestor->caller.ani.subaddress.valid; + if (requestor->caller.ani.subaddress.valid) + if (requestor->caller.ani.subaddress.str) + if (requestor->caller.ani.subaddress.str[0]) + ast->caller.ani.subaddress.str= strdup(requestor->caller.ani.subaddress.str); + ast->caller.ani.subaddress.type= requestor->caller.ani.subaddress.type; + + ast->caller.id.number.valid= requestor->caller.id.number.valid; + if (requestor->caller.id.number.valid) + if (requestor->caller.id.number.str) + if (requestor->caller.id.number.str[0]) + ast->caller.id.number.str= strdup(requestor->caller.id.number.str); + ast->caller.id.number.plan= requestor->caller.id.number.plan; + ast->caller.id.number.presentation= requestor->caller.id.number.presentation; + + ast->caller.id.name.valid= requestor->caller.id.name.valid; + if (requestor->caller.id.name.valid) + if (requestor->caller.id.name.str) + if (requestor->caller.id.name.str[0]) + ast->caller.id.name.str= strdup(requestor->caller.id.name.str); + ast->caller.id.name.presentation= requestor->caller.id.name.presentation; + + ast->caller.id.subaddress.valid= requestor->caller.id.subaddress.valid; + if (requestor->caller.id.subaddress.valid) + if (requestor->caller.id.subaddress.str) + if (requestor->caller.id.subaddress.str[0]) + ast->caller.id.subaddress.str= strdup(requestor->caller.id.subaddress.str); + ast->caller.id.subaddress.type= requestor->caller.id.subaddress.type; + + if (requestor->dialed.number.str) + if (requestor->dialed.number.str[0]) + ast->dialed.number.str= strdup(requestor->dialed.number.str); + ast->dialed.number.plan= requestor->dialed.number.plan; + + ast->dialed.subaddress.valid= requestor->dialed.subaddress.valid; + if (requestor->dialed.subaddress.valid) + if (requestor->dialed.subaddress.str) + if (requestor->dialed.subaddress.str[0]) + ast->dialed.subaddress.str= strdup(requestor->dialed.subaddress.str); + ast->dialed.subaddress.type= requestor->dialed.subaddress.type; + + ast->dialed.transit_network_select= requestor->dialed.transit_network_select; + ast->redirecting.count= requestor->redirecting.count; + ast->redirecting.reason= requestor->redirecting.reason; + + ast->redirecting.from.number.valid= requestor->redirecting.from.number.valid; + if (requestor->redirecting.from.number.valid) + if (requestor->redirecting.from.number.str) + if (requestor->redirecting.from.number.str[0]) + ast->redirecting.from.number.str= strdup(requestor->redirecting.from.number.str); + ast->redirecting.from.number.plan= requestor->redirecting.from.number.plan; + ast->redirecting.from.number.presentation= requestor->redirecting.from.number.presentation; + + ast->redirecting.to.number.valid= requestor->redirecting.to.number.valid; + if (requestor->redirecting.to.number.valid) + if (requestor->redirecting.to.number.str) + if (requestor->redirecting.to.number.str[0]) + ast->redirecting.to.number.str= strdup(requestor->redirecting.to.number.str); + ast->redirecting.to.number.plan= requestor->redirecting.to.number.plan; + ast->redirecting.to.number.presentation= requestor->redirecting.to.number.presentation; +#endif + /* store call information for setup */ + + /* caller ID */ + if (requestor->caller.id.number.valid) { + if (requestor->caller.id.number.str) + strncpy(call->callerinfo.id, requestor->caller.id.number.str, sizeof(call->callerinfo.id)-1); + switch(requestor->caller.id.number.presentation & AST_PRES_RESTRICTION) { + case AST_PRES_RESTRICTED: + call->callerinfo.present = INFO_PRESENT_RESTRICTED; + break; + case AST_PRES_UNAVAILABLE: + call->callerinfo.present = INFO_PRESENT_NOTAVAIL; + break; + case AST_PRES_ALLOWED: + default: + call->callerinfo.present = INFO_PRESENT_ALLOWED; + } + switch(requestor->caller.id.number.presentation & AST_PRES_NUMBER_TYPE) { + case AST_PRES_USER_NUMBER_UNSCREENED: + call->callerinfo.screen = INFO_SCREEN_USER; + break; + case AST_PRES_USER_NUMBER_PASSED_SCREEN: + call->callerinfo.screen = INFO_SCREEN_USER_VERIFIED_PASSED; + break; + case AST_PRES_USER_NUMBER_FAILED_SCREEN: + call->callerinfo.screen = INFO_SCREEN_USER_VERIFIED_FAILED; + break; + default: + call->callerinfo.screen = INFO_SCREEN_NETWORK; + } + switch((requestor->caller.id.number.plan >> 4) & 7) { + case 4: + call->callerinfo.ntype = INFO_NTYPE_SUBSCRIBER; + break; + case 2: + call->callerinfo.ntype = INFO_NTYPE_NATIONAL; + break; + case 1: + call->callerinfo.ntype = INFO_NTYPE_INTERNATIONAL; + break; + default: + call->callerinfo.ntype = INFO_NTYPE_UNKNOWN; + } + } else + call->callerinfo.present = INFO_PRESENT_NOTAVAIL; + + /* caller ID 2 */ + if (requestor->caller.ani.number.valid) { + if (requestor->caller.ani.number.str) + strncpy(call->callerinfo.id2, requestor->caller.ani.number.str, sizeof(call->callerinfo.id2)-1); + switch(requestor->caller.ani.number.presentation & AST_PRES_RESTRICTION) { + case AST_PRES_RESTRICTED: + call->callerinfo.present2 = INFO_PRESENT_RESTRICTED; + break; + case AST_PRES_UNAVAILABLE: + call->callerinfo.present2 = INFO_PRESENT_NOTAVAIL; + break; + case AST_PRES_ALLOWED: + default: + call->callerinfo.present2 = INFO_PRESENT_ALLOWED; + } + switch(requestor->caller.ani.number.presentation & AST_PRES_NUMBER_TYPE) { + case AST_PRES_USER_NUMBER_UNSCREENED: + call->callerinfo.screen2 = INFO_SCREEN_USER; + break; + case AST_PRES_USER_NUMBER_PASSED_SCREEN: + call->callerinfo.screen2 = INFO_SCREEN_USER_VERIFIED_PASSED; + break; + case AST_PRES_USER_NUMBER_FAILED_SCREEN: + call->callerinfo.screen2 = INFO_SCREEN_USER_VERIFIED_FAILED; + break; + default: + call->callerinfo.screen2 = INFO_SCREEN_NETWORK; + } + switch((requestor->caller.ani.number.plan >> 4) & 7) { + case 4: + call->callerinfo.ntype2 = INFO_NTYPE_SUBSCRIBER; + break; + case 2: + call->callerinfo.ntype2 = INFO_NTYPE_NATIONAL; + break; + case 1: + call->callerinfo.ntype2 = INFO_NTYPE_INTERNATIONAL; + break; + default: + call->callerinfo.ntype2 = INFO_NTYPE_UNKNOWN; + } + } else + call->callerinfo.present2 = INFO_PRESENT_NOTAVAIL; + + /* caller name */ + if (requestor->caller.id.name.valid) { + if (requestor->caller.id.name.str) + strncpy(call->callerinfo.name, requestor->caller.id.name.str, sizeof(call->callerinfo.name)-1); + } + + /* redir number */ + if (requestor->redirecting.from.number.valid) { + call->redirinfo.itype = INFO_ITYPE_CHAN; + if (requestor->redirecting.from.number.str) + strncpy(call->redirinfo.id, requestor->redirecting.from.number.str, sizeof(call->redirinfo.id)-1); + switch(requestor->redirecting.from.number.presentation & AST_PRES_RESTRICTION) { + case AST_PRES_RESTRICTED: + call->redirinfo.present = INFO_PRESENT_RESTRICTED; + break; + case AST_PRES_UNAVAILABLE: + call->redirinfo.present = INFO_PRESENT_NOTAVAIL; + break; + case AST_PRES_ALLOWED: + default: + call->redirinfo.present = INFO_PRESENT_ALLOWED; + } + switch(requestor->redirecting.from.number.presentation & AST_PRES_NUMBER_TYPE) { + case AST_PRES_USER_NUMBER_UNSCREENED: + call->redirinfo.screen = INFO_SCREEN_USER; + break; + case AST_PRES_USER_NUMBER_PASSED_SCREEN: + call->redirinfo.screen = INFO_SCREEN_USER_VERIFIED_PASSED; + break; + case AST_PRES_USER_NUMBER_FAILED_SCREEN: + call->redirinfo.screen = INFO_SCREEN_USER_VERIFIED_FAILED; + break; + default: + call->redirinfo.screen = INFO_SCREEN_NETWORK; + } + switch((requestor->redirecting.from.number.plan >> 4) & 7) { + case 4: + call->redirinfo.ntype = INFO_NTYPE_SUBSCRIBER; + break; + case 2: + call->redirinfo.ntype = INFO_NTYPE_NATIONAL; + break; + case 1: + call->redirinfo.ntype = INFO_NTYPE_INTERNATIONAL; + break; + default: + call->redirinfo.ntype = INFO_NTYPE_UNKNOWN; + } + } +#endif + ast_mutex_unlock(&chan_lock); return ast; } @@ -1726,10 +2267,16 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c static int lcr_call(struct ast_channel *ast, char *dest, int timeout) { union parameter newparam; - struct chan_call *call; + struct chan_call *call; ast_mutex_lock(&chan_lock); - call = ast->tech_pvt; + call = ast->tech_pvt; + + #ifdef LCR_FOR_CALLWEAVER + ast->type = "LCR"; + snprintf(ast->name, sizeof(ast->name), "LCR/%s-%04x",call->dialstring, ast_random() & 0xffff); + #endif + if (!call) { CERROR(NULL, ast, "Received call from Asterisk, but call instance does not exist.\n"); ast_mutex_unlock(&chan_lock); @@ -1742,7 +2289,9 @@ static int lcr_call(struct ast_channel *ast, char *dest, int timeout) call->pbx_started = 1; /* send MESSAGE_NEWREF */ memset(&newparam, 0, sizeof(union parameter)); - newparam.direction = 0; /* request from app */ + newparam.newref.direction = 0; /* request from app */ + if (!strcmp(call->interface, "pbx")) + newparam.newref.mode = 1; send_message(MESSAGE_NEWREF, 0, &newparam); /* set hdlc if capability requires hdlc */ @@ -1757,6 +2306,7 @@ static int lcr_call(struct ast_channel *ast, char *dest, int timeout) && ast->transfercapability != INFO_BC_VIDEO) ast->transfercapability = INFO_BC_DATAUNRESTRICTED; +#ifndef AST_1_8_OR_HIGHER call->cid_num[0] = 0; call->cid_name[0] = 0; call->cid_rdnis[0] = 0; @@ -1764,30 +2314,74 @@ static int lcr_call(struct ast_channel *ast, char *dest, int timeout) if (ast->cid.cid_num) if (ast->cid.cid_num[0]) strncpy(call->cid_num, ast->cid.cid_num, sizeof(call->cid_num)-1); - if (ast->cid.cid_name) if (ast->cid.cid_name[0]) - strncpy(call->cid_name, ast->cid.cid_name, + strncpy(call->cid_name, ast->cid.cid_name, sizeof(call->cid_name)-1); if (ast->cid.cid_rdnis) if (ast->cid.cid_rdnis[0]) - strncpy(call->cid_rdnis, ast->cid.cid_rdnis, + strncpy(call->cid_rdnis, ast->cid.cid_rdnis, sizeof(call->cid_rdnis)-1); +#endif ast_mutex_unlock(&chan_lock); - return 0; + return 0; +} + +static void send_digit_to_chan(struct ast_channel * ast, char digit ) +{ + static const char* dtmf_tones[] = { + "!941+1336/100,!0/100", /* 0 */ + "!697+1209/100,!0/100", /* 1 */ + "!697+1336/100,!0/100", /* 2 */ + "!697+1477/100,!0/100", /* 3 */ + "!770+1209/100,!0/100", /* 4 */ + "!770+1336/100,!0/100", /* 5 */ + "!770+1477/100,!0/100", /* 6 */ + "!852+1209/100,!0/100", /* 7 */ + "!852+1336/100,!0/100", /* 8 */ + "!852+1477/100,!0/100", /* 9 */ + "!697+1633/100,!0/100", /* A */ + "!770+1633/100,!0/100", /* B */ + "!852+1633/100,!0/100", /* C */ + "!941+1633/100,!0/100", /* D */ + "!941+1209/100,!0/100", /* * */ + "!941+1477/100,!0/100" }; /* # */ + + if (digit >= '0' && digit <='9') + ast_playtones_start(ast,0,dtmf_tones[digit-'0'], 0); + else if (digit >= 'A' && digit <= 'D') + ast_playtones_start(ast,0,dtmf_tones[digit-'A'+10], 0); + else if (digit == '*') + ast_playtones_start(ast,0,dtmf_tones[14], 0); + else if (digit == '#') + ast_playtones_start(ast,0,dtmf_tones[15], 0); + else { + /* not handled */ + CDEBUG(NULL, ast, "Unable to handle DTMF tone " + "'%c' for '%s'\n", digit, ast->name); + } } +#ifdef LCR_FOR_ASTERISK static int lcr_digit_begin(struct ast_channel *ast, char digit) +#endif +#ifdef LCR_FOR_CALLWEAVER +static int lcr_digit(struct ast_channel *ast, char digit) +#endif { - struct chan_call *call; + struct chan_call *call; union parameter newparam; char buf[]="x"; +#ifdef LCR_FOR_CALLWEAVER + int inband_dtmf = 0; +#endif + /* only pass IA5 number space */ if (digit > 126 || digit < 32) return 0; ast_mutex_lock(&chan_lock); - call = ast->tech_pvt; + call = ast->tech_pvt; if (!call) { CERROR(NULL, ast, "Received digit from Asterisk, but no call instance exists.\n"); ast_mutex_unlock(&chan_lock); @@ -1797,47 +2391,80 @@ static int lcr_digit_begin(struct ast_channel *ast, char digit) CDEBUG(call, ast, "Received digit '%c' from Asterisk.\n", digit); /* send information or queue them */ - if (call->ref && call->state == CHAN_LCR_STATE_OUT_DIALING) - { + if (call->ref && call->state == CHAN_LCR_STATE_OUT_DIALING) { CDEBUG(call, ast, "Sending digit to LCR, because we are in dialing state.\n"); memset(&newparam, 0, sizeof(union parameter)); - newparam.information.id[0] = digit; - newparam.information.id[1] = '\0'; + if (call->keypad) { + newparam.information.keypad[0] = digit; + newparam.information.keypad[1] = '\0'; + } else { + newparam.information.id[0] = digit; + newparam.information.id[1] = '\0'; + } send_message(MESSAGE_INFORMATION, call->ref, &newparam); } else if (!call->ref - && (call->state == CHAN_LCR_STATE_OUT_PREPARE || call->state == CHAN_LCR_STATE_OUT_SETUP)) - { + && (call->state == CHAN_LCR_STATE_OUT_PREPARE || call->state == CHAN_LCR_STATE_OUT_SETUP)) { CDEBUG(call, ast, "Queue digits, because we are in setup/dialing state and have no ref yet.\n"); *buf = digit; strncat(call->dialque, buf, strlen(call->dialque)-1); } ast_mutex_unlock(&chan_lock); - return(0); + +#ifdef LCR_FOR_ASTERISK + return 0; } static int lcr_digit_end(struct ast_channel *ast, char digit, unsigned int duration) { - printf("DIGIT END %c\n", digit); - return (0); + int inband_dtmf = 0; + struct chan_call *call; +#endif + + ast_mutex_lock(&chan_lock); + + call = ast->tech_pvt; + + if (!call) { + CERROR(NULL, ast, + "Received digit from Asterisk, " + "but no call instance exists.\n"); + ast_mutex_unlock(&chan_lock); + return -1; + } + + CDEBUG(call, ast, "DIGIT END '%c' from Asterisk.\n", digit); + + if (call->state == CHAN_LCR_STATE_CONNECT && call->inband_dtmf) { + inband_dtmf = 1; + } + + ast_mutex_unlock(&chan_lock); + + if (inband_dtmf) { + CDEBUG(call, ast, "-> sending '%c' inband.\n", digit); + send_digit_to_chan(ast, digit); + } + + return 0; } static int lcr_answer(struct ast_channel *ast) { union parameter newparam; - struct chan_call *call; + struct chan_call *call; ast_mutex_lock(&chan_lock); - call = ast->tech_pvt; + call = ast->tech_pvt; if (!call) { CERROR(NULL, ast, "Received answer from Asterisk, but no call instance exists.\n"); ast_mutex_unlock(&chan_lock); return -1; } - + CDEBUG(call, ast, "Received answer from Asterisk (maybe during lcr_bridge).\n"); - + /* copy connectinfo, if bridged */ if (call->bridge_call) memcpy(&call->connectinfo, &call->bridge_call->connectinfo, sizeof(struct connect_info)); @@ -1859,28 +2486,25 @@ static int lcr_answer(struct ast_channel *ast) /* enable keypad */ // memset(&newparam, 0, sizeof(union parameter)); // send_message(MESSAGE_ENABLEKEYPAD, call->ref, &newparam); - /* enable dtmf */ - if (call->no_dtmf) - CDEBUG(call, ast, "DTMF is disabled by option.\n"); - else - call->dtmf = 1; - - ast_mutex_unlock(&chan_lock); - return 0; + + ast_mutex_unlock(&chan_lock); + return 0; } static int lcr_hangup(struct ast_channel *ast) { - struct chan_call *call; + struct chan_call *call; pthread_t tid = pthread_self(); - if (!pthread_equal(tid, chan_tid)) + if (!pthread_equal(tid, chan_tid)) { ast_mutex_lock(&chan_lock); - call = ast->tech_pvt; + } + call = ast->tech_pvt; if (!call) { CERROR(NULL, ast, "Received hangup from Asterisk, but no call instance exists.\n"); - if (!pthread_equal(tid, chan_tid)) + if (!pthread_equal(tid, chan_tid)) { ast_mutex_unlock(&chan_lock); + } return -1; } @@ -1892,8 +2516,7 @@ static int lcr_hangup(struct ast_channel *ast) /* disconnect asterisk, maybe not required */ ast->tech_pvt = NULL; ast->fds[0] = -1; - if (call->ref) - { + if (call->ref) { /* release */ CDEBUG(call, ast, "Releasing ref and freeing call instance.\n"); if (ast->hangupcause > 0) @@ -1902,86 +2525,139 @@ static int lcr_hangup(struct ast_channel *ast) send_release_and_import(call, CAUSE_NORMAL, LOCATION_PRIVATE_LOCAL); /* remove call */ free_call(call); - if (!pthread_equal(tid, chan_tid)) + if (!pthread_equal(tid, chan_tid)) { ast_mutex_unlock(&chan_lock); + } return 0; - } else - { + } else { /* ref is not set, due to prepare setup or release */ - if (call->state == CHAN_LCR_STATE_RELEASE) - { + if (call->state == CHAN_LCR_STATE_RELEASE) { /* we get the response to our release */ CDEBUG(call, ast, "Freeing call instance, because we have no ref AND we are requesting no ref.\n"); free_call(call); - } else - { + } else { /* during prepare, we change to release state */ CDEBUG(call, ast, "We must wait until we received our ref, until we can free call instance.\n"); call->state = CHAN_LCR_STATE_RELEASE; + call->ast = NULL; } - } - if (!pthread_equal(tid, chan_tid)) + } + if (!pthread_equal(tid, chan_tid)) { ast_mutex_unlock(&chan_lock); + } return 0; } -static int lcr_write(struct ast_channel *ast, struct ast_frame *f) +static int lcr_write(struct ast_channel *ast, struct ast_frame *fr) { - struct chan_call *call; + struct chan_call *call; + struct ast_frame * f = fr; +#ifdef AST_1_8_OR_HIGHER + if (!f->subclass.integer) +#else if (!f->subclass) +#endif CDEBUG(NULL, ast, "No subclass\n"); - if (!(f->subclass & ast->nativeformats)) - CDEBUG(NULL, ast, "Unexpected format.\n"); +#ifdef AST_1_8_OR_HIGHER + if (!(f->subclass.integer & ast->nativeformats)) { +#else + if (!(f->subclass & ast->nativeformats)) { +#endif + CDEBUG(NULL, ast, + "Unexpected format. " + "Activating emergency conversion...\n"); + +#ifdef AST_1_8_OR_HIGHER + ast_set_write_format(ast, f->subclass.integer); +#else + ast_set_write_format(ast, f->subclass); +#endif + f = (ast->writetrans) ? ast_translate( + ast->writetrans, fr, 0) : fr; + } ast_mutex_lock(&chan_lock); - call = ast->tech_pvt; + call = ast->tech_pvt; if (!call) { ast_mutex_unlock(&chan_lock); + if (f != fr) { + ast_frfree(f); + } return -1; } if (call->bchannel && f->samples) - bchannel_transmit(call->bchannel, f->data, f->samples); + bchannel_transmit(call->bchannel, *((unsigned char **)&(f->data)), f->samples); ast_mutex_unlock(&chan_lock); + if (f != fr) { + ast_frfree(f); + } return 0; } static struct ast_frame *lcr_read(struct ast_channel *ast) { - struct chan_call *call; - int len; + struct chan_call *call; + int len = 0; ast_mutex_lock(&chan_lock); - call = ast->tech_pvt; + call = ast->tech_pvt; if (!call) { ast_mutex_unlock(&chan_lock); return NULL; } if (call->pipe[0] > -1) { if (call->rebuffer && !call->hdlc) { - len = read(call->pipe[0], call->read_buff, 160); + /* Make sure we have a complete 20ms (160byte) frame */ + len=read(call->pipe[0],call->read_buff + call->framepos, 160 - call->framepos); + if (len > 0) { + call->framepos += len; + } } else { len = read(call->pipe[0], call->read_buff, sizeof(call->read_buff)); } if (len < 0 && errno == EAGAIN) { ast_mutex_unlock(&chan_lock); + + #ifdef LCR_FOR_ASTERISK return &ast_null_frame; + #endif + + #ifdef LCR_FOR_CALLWEAVER + return &nullframe; + #endif + } if (len <= 0) { close(call->pipe[0]); call->pipe[0] = -1; + global_change = 1; ast_mutex_unlock(&chan_lock); return NULL; + } else if (call->rebuffer && call->framepos < 160) { + /* Not a complete frame, so we send a null-frame */ + ast_mutex_unlock(&chan_lock); + return &ast_null_frame; } } call->read_fr.frametype = AST_FRAME_VOICE; +#ifdef AST_1_8_OR_HIGHER + call->read_fr.subclass.integer = ast->nativeformats; +#else call->read_fr.subclass = ast->nativeformats; - call->read_fr.datalen = len; - call->read_fr.samples = len; +#endif + if (call->rebuffer) { + call->read_fr.datalen = call->framepos; + call->read_fr.samples = call->framepos; + call->framepos = 0; + } else { + call->read_fr.datalen = len; + call->read_fr.samples = len; + } call->read_fr.delivery = ast_tv(0,0); - call->read_fr.data = call->read_buff; + *((unsigned char **)&(call->read_fr.data)) = call->read_buff; ast_mutex_unlock(&chan_lock); return &call->read_fr; @@ -1990,19 +2666,20 @@ static struct ast_frame *lcr_read(struct ast_channel *ast) static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, size_t datalen) { union parameter newparam; - int res = 0; - struct chan_call *call; + int res = 0; + struct chan_call *call; + const struct tone_zone_sound *ts = NULL; ast_mutex_lock(&chan_lock); - call = ast->tech_pvt; + call = ast->tech_pvt; if (!call) { CERROR(NULL, ast, "Received indicate from Asterisk, but no call instance exists.\n"); ast_mutex_unlock(&chan_lock); return -1; } - switch (cond) { - case AST_CONTROL_BUSY: + switch (cond) { + case AST_CONTROL_BUSY: CDEBUG(call, ast, "Received indicate AST_CONTROL_BUSY from Asterisk.\n"); ast_setstate(ast, AST_STATE_BUSY); if (call->state != CHAN_LCR_STATE_OUT_DISCONNECT) { @@ -2013,9 +2690,12 @@ static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, siz send_message(MESSAGE_DISCONNECT, call->ref, &newparam); /* change state */ call->state = CHAN_LCR_STATE_OUT_DISCONNECT; + } else { + CDEBUG(call, ast, "Using Asterisk 'busy' indication\n"); + ts = ast_get_indication_tone(ast->zone, "busy"); } break; - case AST_CONTROL_CONGESTION: + case AST_CONTROL_CONGESTION: CDEBUG(call, ast, "Received indicate AST_CONTROL_CONGESTION from Asterisk. (cause %d)\n", ast->hangupcause); if (call->state != CHAN_LCR_STATE_OUT_DISCONNECT) { /* send message to lcr */ @@ -2025,9 +2705,12 @@ static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, siz send_message(MESSAGE_DISCONNECT, call->ref, &newparam); /* change state */ call->state = CHAN_LCR_STATE_OUT_DISCONNECT; + } else { + CDEBUG(call, ast, "Using Asterisk 'congestion' indication\n"); + ts = ast_get_indication_tone(ast->zone, "congestion"); } break; - case AST_CONTROL_PROCEEDING: + case AST_CONTROL_PROCEEDING: CDEBUG(call, ast, "Received indicate AST_CONTROL_PROCEEDING from Asterisk.\n"); if (call->state == CHAN_LCR_STATE_IN_SETUP || call->state == CHAN_LCR_STATE_IN_DIALING) { @@ -2038,9 +2721,9 @@ static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, siz call->state = CHAN_LCR_STATE_IN_PROCEEDING; } break; - case AST_CONTROL_RINGING: + case AST_CONTROL_RINGING: CDEBUG(call, ast, "Received indicate AST_CONTROL_RINGING from Asterisk.\n"); - ast_setstate(ast, AST_STATE_RINGING); + ast_setstate(ast, AST_STATE_RING); if (call->state == CHAN_LCR_STATE_IN_SETUP || call->state == CHAN_LCR_STATE_IN_DIALING || call->state == CHAN_LCR_STATE_IN_PROCEEDING) { @@ -2049,29 +2732,50 @@ static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, siz send_message(MESSAGE_ALERTING, call->ref, &newparam); /* change state */ call->state = CHAN_LCR_STATE_IN_ALERTING; + } else { + CDEBUG(call, ast, "Using Asterisk 'ring' indication\n"); + ts = ast_get_indication_tone(ast->zone, "ring"); } break; - case -1: + case AST_CONTROL_PROGRESS: + CDEBUG(call, ast, "Received indicate AST_CONTROL_PROGRESS from Asterisk.\n"); + /* request bchannel */ + if (!call->bchannel) { + CDEBUG(call, ast, "Requesting B-channel.\n"); + memset(&newparam, 0, sizeof(union parameter)); + newparam.bchannel.type = BCHANNEL_REQUEST; + send_message(MESSAGE_BCHANNEL, call->ref, &newparam); + } + break; + case -1: CDEBUG(call, ast, "Received indicate -1.\n"); - res = -1; + ast_playtones_stop(ast); + res = -1; break; - case AST_CONTROL_VIDUPDATE: + case AST_CONTROL_VIDUPDATE: CDEBUG(call, ast, "Received indicate AST_CONTROL_VIDUPDATE.\n"); - res = -1; - break; - case AST_CONTROL_HOLD: + res = -1; + break; + case AST_CONTROL_HOLD: CDEBUG(call, ast, "Received indicate AST_CONTROL_HOLD from Asterisk.\n"); /* send message to lcr */ memset(&newparam, 0, sizeof(union parameter)); newparam.notifyinfo.notify = INFO_NOTIFY_REMOTE_HOLD; send_message(MESSAGE_NOTIFY, call->ref, &newparam); - + /*start music onhold*/ + #ifdef LCR_FOR_ASTERISK ast_moh_start(ast,data,ast->musicclass); + #endif + + #ifdef LCR_FOR_CALLWEAVER + ast_moh_start(ast, NULL); + #endif + call->on_hold = 1; - break; - case AST_CONTROL_UNHOLD: + break; + case AST_CONTROL_UNHOLD: CDEBUG(call, ast, "Received indicate AST_CONTROL_UNHOLD from Asterisk.\n"); /* send message to lcr */ memset(&newparam, 0, sizeof(union parameter)); @@ -2079,24 +2783,29 @@ static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, siz send_message(MESSAGE_NOTIFY, call->ref, &newparam); /*stop moh*/ - ast_moh_stop(ast); + ast_moh_stop(ast); call->on_hold = 0; - break; + break; #ifdef AST_CONTROL_SRCUPDATE - case AST_CONTROL_SRCUPDATE: - CDEBUG(call, ast, "Received indicate AST_CONTROL_SRCUPDATE from Asterisk.\n"); - res = -1; - break; + case AST_CONTROL_SRCUPDATE: +#else + case 20: #endif - default: + CDEBUG(call, ast, "Received AST_CONTROL_SRCUPDATE from Asterisk.\n"); + break; + default: CERROR(call, ast, "Received indicate from Asterisk with unknown condition %d.\n", cond); - res = -1; + res = -1; break; - } + } + + if (ts && ts->data[0]) { + ast_playtones_start(ast, 0, ts->data, 1); + } /* return */ ast_mutex_unlock(&chan_lock); - return res; + return res; } /* @@ -2104,7 +2813,7 @@ static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, siz */ static int lcr_fixup(struct ast_channel *oldast, struct ast_channel *ast) { - struct chan_call *call; + struct chan_call *call; if (!ast) { return -1; @@ -2129,7 +2838,7 @@ static int lcr_fixup(struct ast_channel *oldast, struct ast_channel *ast) */ static int lcr_send_text(struct ast_channel *ast, const char *text) { - struct chan_call *call; + struct chan_call *call; union parameter newparam; ast_mutex_lock(&chan_lock); @@ -2144,7 +2853,7 @@ static int lcr_send_text(struct ast_channel *ast, const char *text) memset(&newparam, 0, sizeof(union parameter)); strncpy(newparam.notifyinfo.display, text, sizeof(newparam.notifyinfo.display)-1); send_message(MESSAGE_NOTIFY, call->ref, &newparam); - ast_mutex_lock(&chan_lock); + ast_mutex_unlock(&chan_lock); return 0; } @@ -2163,7 +2872,7 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1, struct ast_frame *f; int bridge_id; - CDEBUG(NULL, NULL, "Received briding request from Asterisk.\n"); + CDEBUG(NULL, NULL, "Received bridging request from Asterisk.\n"); carr[0] = ast1; carr[1] = ast2; @@ -2178,13 +2887,15 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1, return AST_BRIDGE_COMPLETE; } - /* join, if both call instances uses dsp */ + /* join, if both call instances uses dsp + ignore the case of fax detection here it may be benificial for ISDN fax machines or pass through. + */ if (!call1->nodsp && !call2->nodsp) { - CDEBUG(NULL, NULL, "Both calls use DSP, briding via DSP.\n"); + CDEBUG(NULL, NULL, "Both calls use DSP, bridging via DSP.\n"); /* get bridge id and join */ bridge_id = new_bridge_id(); - + call1->bridge_id = bridge_id; if (call1->bchannel) bchannel_join(call1->bchannel, bridge_id); @@ -2194,9 +2905,9 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1, bchannel_join(call2->bchannel, bridge_id); } else if (call1->nodsp && call2->nodsp) - CDEBUG(NULL, NULL, "Both calls use no DSP, briding in channel driver.\n"); + CDEBUG(NULL, NULL, "Both calls use no DSP, bridging in channel driver.\n"); else - CDEBUG(NULL, NULL, "One call uses no DSP, briding in channel driver.\n"); + CDEBUG(NULL, NULL, "One call uses no DSP, bridging in channel driver.\n"); call1->bridge_call = call2; call2->bridge_call = call1; @@ -2238,9 +2949,9 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1, call2->on_hold = 0; } - + ast_mutex_unlock(&chan_lock); - + while(1) { to = -1; who = ast_waitfor_n(carr, 2, &to); @@ -2250,7 +2961,7 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1, break; } f = ast_read(who); - + if (!f || f->frametype == AST_FRAME_CONTROL) { if (!f) CDEBUG(NULL, NULL, "Got hangup.\n"); @@ -2261,14 +2972,14 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1, *rc=who; break; } - + if ( f->frametype == AST_FRAME_DTMF ) { CDEBUG(NULL, NULL, "Got DTMF.\n"); *fo=f; *rc=who; break; } - + if (who == ast1) { ast_write(ast2,f); @@ -2276,25 +2987,23 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1, else { ast_write(ast1,f); } - + } - - CDEBUG(NULL, NULL, "Releasing bride.\n"); + + CDEBUG(NULL, NULL, "Releasing bridge.\n"); /* split channels */ ast_mutex_lock(&chan_lock); call1 = ast1->tech_pvt; call2 = ast2->tech_pvt; - if (call1 && call1->bridge_id) - { + if (call1 && call1->bridge_id) { call1->bridge_id = 0; if (call1->bchannel) bchannel_join(call1->bchannel, 0); if (call1->bridge_call) call1->bridge_call->bridge_call = NULL; } - if (call2 && call1->bridge_id) - { + if (call2 && call1->bridge_id) { call2->bridge_id = 0; if (call2->bchannel) bchannel_join(call2->bchannel, 0); @@ -2309,20 +3018,29 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1, } static struct ast_channel_tech lcr_tech = { .type="LCR", - .description="Channel driver for connecting to Linux-Call-Router", - .requester=lcr_request, - .send_digit_begin=lcr_digit_begin, - .send_digit_end=lcr_digit_end, - .call=lcr_call, - .bridge=lcr_bridge, - .hangup=lcr_hangup, - .answer=lcr_answer, - .read=lcr_read, - .write=lcr_write, - .indicate=lcr_indicate, - .fixup=lcr_fixup, - .send_text=lcr_send_text, - .properties=0 + .description = "Channel driver for connecting to Linux-Call-Router", + .capabilities = AST_FORMAT_ALAW, + .requester = lcr_request, + + #ifdef LCR_FOR_ASTERISK + .send_digit_begin = lcr_digit_begin, + .send_digit_end = lcr_digit_end, + #endif + + #ifdef LCR_FOR_CALLWEAVER + .send_digit = lcr_digit, + #endif + + .call = lcr_call, + .bridge = lcr_bridge, + .hangup = lcr_hangup, + .answer = lcr_answer, + .read = lcr_read, + .write = lcr_write, + .indicate = lcr_indicate, + .fixup = lcr_fixup, + .send_text = lcr_send_text, + .properties = 0 }; @@ -2416,13 +3134,30 @@ static struct ast_cli_entry cli_port_unload = #endif - +#ifdef LCR_FOR_ASTERISK +#ifdef AST_1_8_OR_HIGHER +static int lcr_config_exec(struct ast_channel *ast, const char *data) +#else static int lcr_config_exec(struct ast_channel *ast, void *data) +#endif +#endif + +#ifdef LCR_FOR_CALLWEAVER +static int lcr_config_exec(struct ast_channel *ast, void *data, char **argv) +#endif { struct chan_call *call; ast_mutex_lock(&chan_lock); + + #ifdef LCR_FOR_ASTERISK CDEBUG(NULL, ast, "Received lcr_config (data=%s)\n", (char *)data); + #endif + + #ifdef LCR_FOR_CALLWEAVER + CDEBUG(NULL, ast, "Received lcr_config (data=%s)\n", argv[0]); + #endif + /* find channel */ call = call_first; while(call) { @@ -2431,7 +3166,15 @@ static int lcr_config_exec(struct ast_channel *ast, void *data) call = call->next; } if (call) + + #ifdef LCR_FOR_ASTERISK apply_opt(call, (char *)data); + #endif + + #ifdef LCR_FOR_CALLWEAVER + apply_opt(call, (char *)argv[0]); + #endif + else CERROR(NULL, ast, "lcr_config app not called by chan_lcr channel.\n"); @@ -2445,28 +3188,40 @@ static int lcr_config_exec(struct ast_channel *ast, void *data) int load_module(void) { u_short i; + char options_error[256]; for (i = 0; i < 256; i++) { flip_bits[i] = (i>>7) | ((i>>5)&2) | ((i>>3)&4) | ((i>>1)&8) | (i<<7) | ((i&2)<<5) | ((i&4)<<3) | ((i&8)<<1); } - if (read_options() == 0) { + if (read_options(options_error) == 0) { CERROR(NULL, NULL, "%s", options_error); + + #ifdef LCR_FOR_ASTERISK return AST_MODULE_LOAD_DECLINE; + #endif + + #ifdef LCR_FOR_CALLWEAVER + return 0; + #endif + } ast_mutex_init(&chan_lock); ast_mutex_init(&log_lock); - if (open_socket() < 0) { - /* continue with closed socket */ - } - if (bchannel_initialize()) { CERROR(NULL, NULL, "Unable to open mISDN device\n"); close_socket(); + + #ifdef LCR_FOR_ASTERISK return AST_MODULE_LOAD_DECLINE; + #endif + + #ifdef LCR_FOR_CALLWEAVER + return 0; + #endif } mISDN_created = 1; @@ -2475,29 +3230,56 @@ int load_module(void) CERROR(NULL, NULL, "Unable to register channel class\n"); bchannel_deinitialize(); close_socket(); + + #ifdef LCR_FOR_ASTERISK return AST_MODULE_LOAD_DECLINE; + #endif + + #ifdef LCR_FOR_CALLWEAVER + return 0; + #endif } ast_register_application("lcr_config", lcr_config_exec, "lcr_config", + + #ifdef LCR_FOR_ASTERISK "lcr_config(::...)\n" + #endif + + #ifdef LCR_FOR_CALLWEAVER + "lcr_config(::...)\n", + #endif + "Sets LCR opts. and optargs\n" "\n" "The available options are:\n" " d - Send display text on called phone, text is the optarg.\n" " n - Don't detect dtmf tones on called channel.\n" - " h - Force data call (HDLC).\n" + " h - Force data call (HDLC).\n" " t - Disable mISDN_dsp features (required for fax application).\n" + " q - Add queue to make fax stream seamless (required for fax app).\n" + " Use queue size in miliseconds for optarg. (try 250)\n" + " f - Adding fax detection. It it timeouts, mISDN_dsp is used.\n" + " Use time to detect for optarg.\n" " c - Make crypted outgoing call, optarg is keyindex.\n" " e - Perform echo cancelation on this channel.\n" " Takes mISDN pipeline option as optarg.\n" -// " s - Send Non Inband DTMF as inband.\n" + " s - Send Non Inband DTMF as inband.\n" + " r - re-buffer packets (160 bytes). Required for some SIP-phones and fax applications.\n" " vr - rxgain control\n" " vt - txgain control\n" " Volume changes at factor 2 ^ optarg.\n" + " k - use keypad to dial this call.\n" + "\n" + "set LCR_TRANSFERCAPABILITY to the numerical bearer capabilty in order to alter caller's capability\n" + " -> use 16 for fax (3.1k audio)\n" + "\n" + "To send a fax, you need to set LCR_TRANSFERCAPABILITY environment to 16, also you need to set\n" + "options: \"n:t:q250\" for seamless audio transmission.\n" ); - -#if 0 + +#if 0 ast_cli_register(&cli_show_lcr); ast_cli_register(&cli_show_calls); ast_cli_register(&cli_reload_routing); @@ -2507,14 +3289,20 @@ int load_module(void) ast_cli_register(&cli_port_unload); #endif - quit = 0; - if ((pthread_create(&chan_tid, NULL, chan_thread, NULL)<0)) - { + if ((pthread_create(&chan_tid, NULL, chan_thread, NULL)<0)) { /* failed to create thread */ bchannel_deinitialize(); close_socket(); ast_channel_unregister(&lcr_tech); + + #ifdef LCR_FOR_ASTERISK return AST_MODULE_LOAD_DECLINE; + #endif + + #ifdef LCR_FOR_CALLWEAVER + return 0; + #endif + } return 0; } @@ -2522,15 +3310,23 @@ int load_module(void) int unload_module(void) { /* First, take us out of the channel loop */ - CDEBUG(NULL, NULL, "-- Unregistering mISDN Channel Driver --\n"); + CDEBUG(NULL, NULL, "-- Unregistering Linux-Call-Router Channel Driver --\n"); - quit = 1; - pthread_join(chan_tid, NULL); - - ast_channel_unregister(&lcr_tech); + pthread_cancel(chan_tid); - ast_unregister_application("lcr_config"); + close_socket(); + del_timer(&socket_retry); + + unregister_fd(&wake_fd); + close(wake_pipe[0]); + close(wake_pipe[1]); + +// ast_mutex_unlock(&chan_lock); + + ast_channel_unregister(&lcr_tech); + + ast_unregister_application("lcr_config"); if (mISDN_created) { bchannel_deinitialize(); @@ -2551,12 +3347,33 @@ int reload_module(void) return 0; } - +#ifdef LCR_FOR_ASTERISK #define AST_MODULE "chan_lcr" +#endif +#ifdef LCR_FOR_CALLWEAVER +int usecount(void) +hae +{ + int res; + ast_mutex_lock(&usecnt_lock); + res = usecnt; + ast_mutex_unlock(&usecnt_lock); + return res; +} +#endif + +#ifdef LCR_FOR_ASTERISK AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Channel driver for Linux-Call-Router Support (ISDN BRI/PRI)", .load = load_module, .unload = unload_module, .reload = reload_module, ); +#endif +#ifdef LCR_FOR_CALLWEAVER +char *description(void) +{ + return desc; +} +#endif