*/
-locking asterisk process and handler
-reconnect after socket closed, release all calls.
-debug of call handling
-denke an alle info-elements in jeder message (from asterisk & from lcr)
-
-
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/un.h>
-#include <pthread.h>
#include <semaphore.h>
-#include "extension.h"
-#include "message.h"
-#include "lcrsocket.h"
-#include "cause.h"
-#include "bchannel.h"
-#include "chan_lcr.h"
-
-
-
#include <asterisk/module.h>
#include <asterisk/channel.h>
#include <asterisk/config.h>
#include <asterisk/features.h>
#include <asterisk/sched.h>
+#include "extension.h"
+#include "message.h"
+#include "lcrsocket.h"
+#include "cause.h"
+#include "bchannel.h"
+#include "chan_lcr.h"
+#include "callerid.h"
+
CHAN_LCR_STATE // state description structure
+u_char flip_bits[256];
+
int lcr_debug=1;
int mISDN_created=1;
-char lcr_type[]="LCR";
+char lcr_type[]="lcr";
+pthread_t chan_tid;
+ast_mutex_t chan_lock; /* global lock */
+ast_mutex_t log_lock; /* logging log */
+int quit;
+
+int glob_channel = 0;
int lcr_sock = -1;
struct admin_msg msg;
} *admin_first = NULL;
+static struct ast_channel_tech lcr_tech;
+
+/*
+ * logging
+ */
+void chan_lcr_log(int type, const char *file, int line, struct chan_call *call, struct ast_channel *ast, const char *fmt, ...)
+{
+ char buffer[1024];
+ char call_text[128] = "NULL";
+ char ast_text[128] = "NULL";
+ va_list args;
+
+ ast_mutex_lock(&log_lock);
+
+ va_start(args,fmt);
+ vsnprintf(buffer,sizeof(buffer)-1,fmt,args);
+ buffer[sizeof(buffer)-1]=0;
+ va_end(args);
+
+ if (call)
+ sprintf(call_text, "%ld", call->ref);
+ if (ast)
+ strncpy(ast_text, ast->name, sizeof(ast_text)-1);
+ ast_text[sizeof(ast_text)-1] = '\0';
+
+ ast_log(type, file, line, "[call=%s ast=%s] %s", call_text, ast_text, buffer);
+
+ ast_mutex_unlock(&log_lock);
+}
+
/*
* channel and call instances
*/
return(call);
}
-struct chan_call *find_call_handle(unsigned long handle)
+#if 0
+struct chan_call *find_call_ast(struct ast_channel *ast)
{
struct chan_call *call = call_first;
while(call)
{
- if (call->bchannel_handle == handle)
+ if (call->ast == ast)
break;
call = call->next;
}
return(call);
}
-struct chan_call *alloc_call(void)
+struct chan_call *find_call_handle(unsigned long handle)
{
- struct chan_call **callp = &call_first;
-
- while(*callp)
- callp = &((*callp)->next);
+ struct chan_call *call = call_first;
- *callp = (struct chan_call *)malloc(sizeof(struct chan_call));
- if (*callp)
- memset(*callp, 0, sizeof(struct chan_call));
- return(*callp);
+ while(call)
+ {
+ if (call->bchannel_handle == handle)
+ break;
+ call = call->next;
+ }
+ return(call);
}
+#endif
void free_call(struct chan_call *call)
{
if (*temp == call)
{
*temp = (*temp)->next;
+ if (call->pipe[0])
+ close(call->pipe[0]);
+ if (call->pipe[1])
+ close(call->pipe[1]);
+ 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->bridge_call != call)
+ CERROR(call, NULL, "Linked call structure has no link to us.\n");
+ call->bridge_call->bridge_call = NULL;
+ }
+ CDEBUG(call, NULL, "Call instance freed.\n");
free(call);
return;
}
temp = &((*temp)->next);
}
+ CERROR(call, NULL, "Call instance not found in list.\n");
}
-unsigned short new_brige_id(void)
+struct chan_call *alloc_call(void)
+{
+ struct chan_call **callp = &call_first;
+
+ while(*callp)
+ callp = &((*callp)->next);
+
+ *callp = (struct chan_call *)malloc(sizeof(struct chan_call));
+ if (*callp)
+ memset(*callp, 0, sizeof(struct chan_call));
+ if (pipe((*callp)->pipe) < 0) {
+ CERROR(*callp, NULL, "Failed to create pipe.\n");
+ free_call(*callp);
+ return(NULL);
+ }
+ CDEBUG(*callp, NULL, "Call instance allocated.\n");
+ return(*callp);
+}
+
+
+unsigned short new_bridge_id(void)
{
struct chan_call *call;
unsigned short id = 1;
break;
id++;
}
+ CDEBUG(NULL, NULL, "New bridge ID %d.\n", id);
return(id);
}
/*
- * receive bchannel data
- */
-void rx_data(struct bchannel *bchannel, unsigned char *data, int len)
-{
-}
-
-void rx_dtmf(struct bchannel *bchannel, char tone)
-{
-}
-
-/*
* enque message to LCR
*/
int send_message(int message_type, unsigned long ref, union parameter *param)
{
struct admin_list *admin, **adminp;
+ if (lcr_sock < 0) {
+ CDEBUG(NULL, NULL, "Ignoring message %d, because socket is closed.\n", message_type);
+ return -1;
+ }
+ CDEBUG(NULL, NULL, "Sending message %d to socket.\n", message_type);
+
adminp = &admin_first;
while(*adminp)
adminp = &((*adminp)->next);
}
/*
+ * send setup info to LCR
+ * this function is called, when asterisk call is received and ref is received
+ */
+static void send_setup_to_lcr(struct chan_call *call)
+{
+ union parameter newparam;
+ struct ast_channel *ast = call->ast;
+
+ if (!call->ast || !call->ref)
+ return;
+
+ CDEBUG(call, call->ast, "Sending setup to LCR.\n");
+
+ /* send setup message to LCR */
+ memset(&newparam, 0, sizeof(union parameter));
+ newparam.setup.callerinfo.itype = INFO_ITYPE_CHAN;
+ newparam.setup.callerinfo.ntype = INFO_NTYPE_UNKNOWN;
+ if (ast->cid.cid_num) if (ast->cid.cid_num[0])
+ strncpy(newparam.setup.callerinfo.id, ast->cid.cid_num, sizeof(newparam.setup.callerinfo.id)-1);
+ if (ast->cid.cid_name) if (ast->cid.cid_name[0])
+ strncpy(newparam.setup.callerinfo.name, ast->cid.cid_name, sizeof(newparam.setup.callerinfo.name)-1);
+ if (ast->cid.cid_rdnis) if (ast->cid.cid_rdnis[0])
+ {
+ strncpy(newparam.setup.redirinfo.id, ast->cid.cid_rdnis, sizeof(newparam.setup.redirinfo.id)-1);
+ 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;
+ case AST_PRES_RESTRICTED:
+ newparam.setup.callerinfo.present = INFO_PRESENT_RESTRICTED;
+ break;
+ case AST_PRES_UNAVAILABLE:
+ newparam.setup.callerinfo.present = INFO_PRESENT_NOTAVAIL;
+ break;
+ default:
+ newparam.setup.callerinfo.present = INFO_PRESENT_NULL;
+ }
+ switch(ast->cid.cid_ton)
+ {
+ case 4:
+ newparam.setup.callerinfo.ntype = INFO_NTYPE_SUBSCRIBER;
+ break;
+ case 2:
+ newparam.setup.callerinfo.ntype = INFO_NTYPE_NATIONAL;
+ break;
+ case 1:
+ newparam.setup.callerinfo.ntype = INFO_NTYPE_INTERNATIONAL;
+ break;
+ default:
+ newparam.setup.callerinfo.ntype = INFO_NTYPE_UNKNOWN;
+ }
+ newparam.setup.capainfo.bearer_capa = ast->transfercapability;
+#ifdef TODO
+ newparam.setup.capainfo.bearer_info1 = alaw 3, ulaw 2;
+#endif
+ newparam.setup.capainfo.bearer_info1 = 3;
+ newparam.setup.capainfo.bearer_mode = INFO_BMODE_CIRCUIT;
+ newparam.setup.capainfo.hlc = INFO_HLC_NONE;
+ newparam.setup.capainfo.exthlc = INFO_HLC_NONE;
+ send_message(MESSAGE_SETUP, call->ref, &newparam);
+
+ /* change to outgoing setup state */
+ call->state = CHAN_LCR_STATE_OUT_SETUP;
+}
+
+/*
+ * send dialing info to LCR
+ * this function is called, when setup acknowledge is received and dialing
+ * info is available.
+ */
+static void send_dialque_to_lcr(struct chan_call *call)
+{
+ union parameter newparam;
+
+ if (!call->ast || !call->ref || !call->dialque)
+ return;
+
+ CDEBUG(call, call->ast, "Sending dial queue to LCR.\n");
+
+ /* send setup message to LCR */
+ memset(&newparam, 0, sizeof(union parameter));
+ strncpy(newparam.information.id, call->dialque, sizeof(newparam.information.id)-1);
+ call->dialque[0] = '\0';
+ send_message(MESSAGE_INFORMATION, call->ref, &newparam);
+}
+
+/*
+ * in case of a bridge, the unsupported message can be forwarded directly
+ * to the remote call.
+ */
+static void bridge_message_if_bridged(struct chan_call *call, int message_type, union parameter *param)
+{
+ /* check bridge */
+ if (!call) return;
+ if (!call->bridge_call) return;
+ CDEBUG(call, NULL, "Sending message due briding.\n");
+ send_message(message_type, call->bridge_call->ref, param);
+}
+
+/*
+ * check if extension matches and start asterisk
+ * if it can match, proceed
+ * if not, release
+ */
+static void lcr_start_pbx(struct chan_call *call, struct ast_channel *ast, int complete)
+{
+ int cause, ret;
+ union parameter newparam;
+
+ 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);
+ 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);
+ cause = 28;
+ goto release;
+ }
+ CDEBUG(call, ast, "Got 'sending complete', extensions matches.\n");
+ /* send setup acknowledge to lcr */
+ memset(&newparam, 0, sizeof(union parameter));
+ send_message(MESSAGE_PROCEEDING, call->ref, &newparam);
+
+ /* change state */
+ call->state = CHAN_LCR_STATE_IN_PROCEEDING;
+
+ goto start;
+ }
+
+ if (ast_canmatch_extension(ast, ast->context, ast->exten, 1, call->oad))
+ {
+ /* send setup acknowledge to lcr */
+ memset(&newparam, 0, sizeof(union parameter));
+ send_message(MESSAGE_OVERLAP, call->ref, &newparam);
+
+ /* change state */
+ call->state = CHAN_LCR_STATE_IN_DIALING;
+
+ /* if match, start pbx */
+ if (ast_exists_extension(ast, ast->context, ast->exten, 1, call->oad)) {
+ CDEBUG(call, ast, "Extensions matches.\n");
+ goto start;
+ }
+
+ /* if can match */
+ CDEBUG(call, ast, "Extensions may match, if more digits are dialed.\n");
+ return;
+ }
+
+ /* if not match */
+ cause = 1;
+ release:
+ /* release lcr */
+ CDEBUG(call, ast, "Releasing due to extension missmatch.\n");
+ memset(&newparam, 0, sizeof(union parameter));
+ newparam.disconnectinfo.cause = cause;
+ newparam.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
+ send_message(MESSAGE_RELEASE, call->ref, &newparam);
+ call->ref = 0;
+ /* release asterisk */
+ ast->hangupcause = call->cause;
+ /* change to release state */
+ 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");
+ ret = ast_pbx_start(ast);
+ if (ret < 0)
+ {
+ cause = (ret==-2)?34:27;
+ goto release;
+ }
+ call->pbx_started = 1;
+ return;
+}
+
+/*
* incoming setup from LCR
*/
static void lcr_in_setup(struct chan_call *call, int message_type, union parameter *param)
struct ast_channel *ast;
union parameter newparam;
+ CDEBUG(call, NULL, "Incomming setup from LCR. (callerid %d, dialing %d)\n", param->setup.callerinfo.id, param->setup.dialinginfo.id);
+
/* create asterisk channel instrance */
- ast = ast_channel_alloc(1);
+ ast = ast_channel_alloc(1, AST_STATE_RESERVED, NULL, NULL, "", NULL, "", 0, "%s/%d", lcr_type, ++glob_channel);
if (!ast)
{
/* release */
+ CERROR(call, NULL, "Failed to create Asterisk channel - releasing.\n");
memset(&newparam, 0, sizeof(union parameter));
newparam.disconnectinfo.cause = CAUSE_RESSOURCEUNAVAIL;
newparam.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
}
/* set ast pointer */
call->ast = ast;
+ ast->tech_pvt = call;
+ ast->tech = &lcr_tech;
+ ast->fds[0] = call->pipe[0];
/* fill setup information */
-#warning todo: setup-info reinschreiben
+ if (param->setup.dialinginfo.id)
+ strncpy(ast->exten, param->setup.dialinginfo.id, AST_MAX_EXTENSION-1);
+ if (param->setup.context[0])
+ strncpy(ast->context, param->setup.context, AST_MAX_CONTEXT-1);
+ if (param->setup.callerinfo.id[0])
+ ast->cid.cid_num = strdup(param->setup.callerinfo.id);
+ if (param->setup.callerinfo.name[0])
+ ast->cid.cid_name = strdup(param->setup.callerinfo.name);
+#ifdef TODO
+ if (param->setup.redirinfo.id[0])
+ ast->cid.cid_name = strdup(numberrize_callerinfo(param->setup.callerinfo.id, param->setup.callerinfo.ntype, configfile->prefix_nat, configfile->prefix_inter));
+#endif
+ switch (param->setup.callerinfo.present)
+ {
+ case INFO_PRESENT_ALLOWED:
+ ast->cid.cid_pres = AST_PRES_ALLOWED;
+ break;
+ case INFO_PRESENT_RESTRICTED:
+ ast->cid.cid_pres = AST_PRES_RESTRICTED;
+ break;
+ default:
+ ast->cid.cid_pres = AST_PRES_UNAVAILABLE;
+ }
+ switch (param->setup.callerinfo.ntype)
+ {
+ case INFO_NTYPE_SUBSCRIBER:
+ ast->cid.cid_ton = 4;
+ break;
+ case INFO_NTYPE_NATIONAL:
+ ast->cid.cid_ton = 2;
+ break;
+ case INFO_NTYPE_INTERNATIONAL:
+ ast->cid.cid_ton = 1;
+ break;
+ default:
+ ast->cid.cid_ton = 0;
+ }
+ ast->transfercapability = param->setup.capainfo.bearer_capa;
+#ifdef TODO
+ strncpy(call->oad, numberrize_callerinfo(param->setup.callerinfo.id, param->setup.callerinfo.ntype, configfile->prefix_nat, configfile->prefix_inter), sizeof(call->oad)-1);
+#else
+ strncpy(call->oad, numberrize_callerinfo(param->setup.callerinfo.id, param->setup.callerinfo.ntype, "0", "00"), sizeof(call->oad)-1);
+#endif
- /* send setup to asterisk */
-#warning todo: setup bei der asterisk triggern
+ /* configure channel */
+#ifdef TODO
+ ast->nativeformats = configfile->lawformat;
+ ast->readformat = ast->rawreadformat = configfile->lawformat;
+ ast->writeformat = ast->rawwriteformat = configfile->lawformat;
+#else
+ ast->nativeformats = AST_FORMAT_ALAW;
+ ast->readformat = ast->rawreadformat = AST_FORMAT_ALAW;
+ ast->writeformat = ast->rawwriteformat = AST_FORMAT_ALAW;
+#endif
+ ast->hangupcause = 0;
/* change state */
call->state = CHAN_LCR_STATE_IN_SETUP;
+
+ lcr_start_pbx(call, ast, param->setup.dialinginfo.sending_complete);
}
/*
*/
static void lcr_in_overlap(struct chan_call *call, int message_type, union parameter *param)
{
+ if (!call->ast) return;
+
+ CDEBUG(call, call->ast, "Incomming setup acknowledge from LCR.\n");
+
/* send pending digits in dialque */
if (call->dialque)
- send_dialing_to_lcr(call);
+ send_dialque_to_lcr(call);
/* change to overlap state */
call->state = CHAN_LCR_STATE_OUT_DIALING;
}
*/
static void lcr_in_proceeding(struct chan_call *call, int message_type, union parameter *param)
{
+ CDEBUG(call, call->ast, "Incomming proceeding from LCR.\n");
+
/* change state */
call->state = CHAN_LCR_STATE_OUT_PROCEEDING;
/* send event to asterisk */
- ast_queue_... todo
+ if (call->ast && call->pbx_started)
+ ast_queue_control(call->ast, AST_CONTROL_PROCEEDING);
}
/*
*/
static void lcr_in_alerting(struct chan_call *call, int message_type, union parameter *param)
{
+ CDEBUG(call, call->ast, "Incomming alerting from LCR.\n");
+
/* change state */
call->state = CHAN_LCR_STATE_OUT_ALERTING;
/* send event to asterisk */
- ast_queue_... todo
+ if (call->ast && call->pbx_started)
+ ast_queue_control(call->ast, AST_CONTROL_RINGING);
}
/*
*/
static void lcr_in_connect(struct chan_call *call, int message_type, union parameter *param)
{
+ CDEBUG(call, call->ast, "Incomming connect (answer) from LCR.\n");
+
/* change state */
call->state = CHAN_LCR_STATE_CONNECT;
/* copy connectinfo */
- todo
+ memcpy(&call->connectinfo, ¶m->connectinfo, sizeof(struct connect_info));
/* send event to asterisk */
- ast_queue_... todo
+ if (call->ast && call->pbx_started)
+ ast_queue_control(call->ast, AST_CONTROL_ANSWER);
}
/*
*/
static void lcr_in_disconnect(struct chan_call *call, int message_type, union parameter *param)
{
+ struct ast_channel *ast = call->ast;
+
+ CDEBUG(call, call->ast, "Incomming disconnect from LCR. (cause=%d)\n", param->disconnectinfo.cause);
+
/* change state */
call->state = CHAN_LCR_STATE_IN_DISCONNECT;
- /* copy disconnect info */
- todo
- /* send event to asterisk */
- ast_queue_... todo
+ /* save cause */
+ call->cause = param->disconnectinfo.cause;
+ call->location = param->disconnectinfo.location;
+ /* if bridge, forward disconnect and return */
+#ifdef TODO
+ feature flag
+ if (call->bridge_call)
+ {
+ CDEBUG(call, call->ast, "Only signal disconnect via bridge.\n");
+ bridge_message_if_bridged(call, message_type, param);
+ return;
+ }
+#endif
+ /* release lcr with same cause */
+ send_message(MESSAGE_RELEASE, call->ref, param);
+ call->ref = 0;
+ /* change to release state */
+ call->state = CHAN_LCR_STATE_RELEASE;
+ /* release asterisk */
+ if (ast)
+ {
+ ast->hangupcause = call->cause;
+ if (call->pbx_started)
+ ast_queue_hangup(ast);
+ else {
+ ast_hangup(ast); // call will be destroyed here
+ }
+ }
}
/*
*/
static void lcr_in_release(struct chan_call *call, int message_type, union parameter *param)
{
+ struct ast_channel *ast = call->ast;
+
+ CDEBUG(call, call->ast, "Incomming release from LCR. (cause=%d)\n", param->disconnectinfo.cause);
+
/* release ref */
- call->ref = NULL;
+ call->ref = 0;
/* change to release state */
call->state = CHAN_LCR_STATE_RELEASE;
/* copy release info */
- todo
+ if (!call->cause)
+ {
+ call->cause = param->disconnectinfo.cause;
+ call->location = param->disconnectinfo.location;
+ }
/* if we have an asterisk instance, send hangup, else we are done */
- if (call->ast)
+ if (ast)
{
- ast_queue_hangup(call->ast);
+ ast->hangupcause = call->cause;
+ if (call->pbx_started)
+ ast_queue_hangup(ast);
+ else {
+ ast_hangup(ast); // call will be destroyed here
+ }
} else
{
free_call(call);
*/
static void lcr_in_information(struct chan_call *call, int message_type, union parameter *param)
{
+ struct ast_channel *ast = call->ast;
+ struct ast_frame fr;
+ char *p;
+
+ CDEBUG(call, call->ast, "Incomming information from LCR. (dialing=%d)\n", param->information.id);
+
+ if (!ast) return;
+
+ /* pbx not 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;
+ }
+
/* copy digits */
- todo and write them, maybe queue them for asterisk
- /* send event to asterisk */
- ast_queue_... todo
+ p = param->information.id;
+ if (call->state == CHAN_LCR_STATE_IN_DIALING && *p)
+ {
+ CDEBUG(call, call->ast, "Asterisk is started, sending DTMF frame.\n");
+ while (*p)
+ {
+ /* send digit to asterisk */
+ memset(&fr, 0, sizeof(fr));
+ fr.frametype = AST_FRAME_DTMF;
+ fr.subclass = *p;
+ fr.delivery = ast_tv(0, 0);
+ ast_queue_frame(call->ast, &fr);
+ p++;
+ }
+ }
+ /* 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");
+ bridge_message_if_bridged(call, message_type, param);
+ }
+}
+
+/*
+ * incoming information from LCR
+ */
+static void lcr_in_notify(struct chan_call *call, int message_type, union parameter *param)
+{
+ CDEBUG(call, call->ast, "Incomming notify from LCR. (notify=%d)\n", param->notifyinfo.notify);
+
+ if (!call->ast) return;
+
+ /* use bridge to forware message not supported by asterisk */
+ bridge_message_if_bridged(call, message_type, param);
}
/*
*/
static void lcr_in_facility(struct chan_call *call, int message_type, union parameter *param)
{
- /* copy progress info */
- todo and write them, maybe queue them for asterisk
- /* send event to asterisk */
- ast_queue_... todo
- or maybe use bride info to forward facility.
+ CDEBUG(call, call->ast, "Incomming facility from LCR.\n");
+
+ if (!call->ast) return;
+
+ /* use bridge to forware message not supported by asterisk */
+ bridge_message_if_bridged(call, message_type, param);
}
/*
switch(param->bchannel.type)
{
case BCHANNEL_ASSIGN:
+ CDEBUG(NULL, NULL, "Received BCHANNEL_ASSIGN message. (handle=%08lx)\n", param->bchannel.handle);
if ((bchannel = find_bchannel_handle(param->bchannel.handle)))
{
- fprintf(stderr, "error: bchannel handle %x already assigned.\n", (int)param->bchannel.handle);
+ CERROR(NULL, NULL, "bchannel handle %x already assigned.\n", (int)param->bchannel.handle);
return(-1);
}
/* create bchannel */
bchannel = alloc_bchannel(param->bchannel.handle);
if (!bchannel)
{
- fprintf(stderr, "error: alloc bchannel handle %x failed.\n", (int)param->bchannel.handle);
+ CERROR(NULL, NULL, "alloc bchannel handle %x failed.\n", (int)param->bchannel.handle);
return(-1);
}
/* link to call */
if ((call = find_call_ref(ref)))
{
- bchannel->ref = ref;
- call->bchannel_handle = param->bchannel.handle;
-#warning hier muesen alle stati gesetzt werden falls sie vor dem b-kanal verfügbar waren
- bchannel_join(bchannel, call->bridge_id);
+ bchannel->call = call;
+ call->bchannel = bchannel;
+#ifdef TODO
+hier muesen alle bchannel-features gesetzt werden (pipeline...) falls sie vor dem b-kanal verfügbar waren
+#endif
+ if (call->bridge_id) {
+ CDEBUG(call, call->ast, "Join bchannel, because call is already bridged.\n");
+ bchannel_join(bchannel, call->bridge_id);
+ }
}
if (bchannel_create(bchannel))
bchannel_activate(bchannel, 1);
break;
case BCHANNEL_REMOVE:
+ CDEBUG(NULL, NULL, "Received BCHANNEL_REMOVE message. (handle=%08lx)\n", param->bchannel.handle);
if (!(bchannel = find_bchannel_handle(param->bchannel.handle)))
{
- #warning alle fprintf nach ast_log
- fprintf(stderr, "error: bchannel handle %x not assigned.\n", (int)param->bchannel.handle);
+ CERROR(NULL, NULL, "Bchannel handle %x not assigned.\n", (int)param->bchannel.handle);
return(-1);
}
- /* unlink from call */
- if ((call = find_call_ref(bchannel->ref)))
- {
- call->bchannel_handle = 0;
- }
- /* destroy and remove bchannel */
+ /* unklink from call and destroy bchannel */
free_bchannel(bchannel);
/* acknowledge */
break;
default:
- fprintf(stderr, "received unknown bchannel message %d\n", param->bchannel.type);
+ CDEBUG(NULL, NULL, "Received unknown bchannel message %d.\n", param->bchannel.type);
}
return(0);
}
if (param->direction)
{
/* new ref from lcr */
+ CDEBUG(NULL, NULL, "Received new ref by LCR, of call from LCR. (ref=%ld)\n", ref);
if (!ref || find_call_ref(ref))
{
- fprintf(stderr, "illegal new ref %d received\n", ref);
+ CERROR(NULL, NULL, "Illegal new ref %ld received.\n", ref);
return(-1);
}
/* allocate new call instance */
} 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)
{
/* send release, if ref does not exist */
+ CDEBUG(NULL, NULL, "No call found, that requests a ref.\n");
newparam.disconnectinfo.cause = CAUSE_NORMAL;
newparam.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
send_message(MESSAGE_RELEASE, ref, &newparam);
else if (call->state == CHAN_LCR_STATE_RELEASE)
{
/* send release */
- newparam.disconnectinfo.cause = todo
- newparam.disconnectinfo.location = todo
+ if (call->cause)
+ {
+ newparam.disconnectinfo.cause = call->cause;
+ newparam.disconnectinfo.location = call->location;
+ } else
+ {
+ newparam.disconnectinfo.cause = 16;
+ newparam.disconnectinfo.location = 5;
+ }
send_message(MESSAGE_RELEASE, ref, &newparam);
/* free call */
free_call(call);
/* check ref */
if (!ref)
{
- fprintf(stderr, "received message %d without ref\n", message_type);
+ CERROR(NULL, NULL, "Received message %d without ref.\n", message_type);
return(-1);
}
call = find_call_ref(ref);
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);
}
break;
case MESSAGE_INFORMATION:
- lcr_in_disconnect(call, message_type, param);
+ lcr_in_information(call, message_type, param);
+ break;
+
+ case MESSAGE_NOTIFY:
+ lcr_in_notify(call, message_type, param);
break;
case MESSAGE_FACILITY:
- lcr_in_disconnect(call, message_type, param);
+ lcr_in_facility(call, message_type, param);
break;
- case MESSAGE_PATTERN:
-#warning todo
+ case MESSAGE_PATTERN: // audio available from LCR
break;
- case MESSAGE_NOPATTERN:
-#warning todo
+ case MESSAGE_NOPATTERN: // audio not available from LCR
break;
- case MESSAGE_AUDIOPATH:
-#warning todo
+ case MESSAGE_AUDIOPATH: // if remote audio connected or hold
+ call->audiopath = param->audiopath;
break;
default:
-#warning unhandled
+ CDEBUG(call, call->ast, "Message %d from LCR unhandled.\n", message_type);
+ break;
}
return(0);
}
+/*
+ * release all calls (due to broken socket)
+ */
+static void release_all_calls(void)
+{
+ struct chan_call *call;
+
+again:
+ call = call_first;
+ while(call)
+ {
+ /* no ast, so we may directly free call */
+ if (!call->ast) {
+ CDEBUG(call, NULL, "Freeing call, because no Asterisk channel is linked.\n");
+ free_call(call);
+ goto again;
+ }
+ /* already in release process */
+ if (call->state == CHAN_LCR_STATE_RELEASE) {
+ call = call->next;
+ continue;
+ }
+ /* release or queue release */
+ call->ref = 0;
+ call->state = CHAN_LCR_STATE_RELEASE;
+ if (!call->pbx_started)
+ {
+ CDEBUG(call, call->ast, "Releasing call, because no Asterisk channel is not started.\n");
+ ast_hangup(call->ast); // call will be destroyed here
+ goto again;
+ }
+ CDEBUG(call, call->ast, "Queue call release, because Asterisk channel is running.\n");
+ ast_queue_hangup(call->ast);
+ call = call->next;
+ }
+}
+
/* asterisk handler
* warning! not thread safe
int sock;
- #warning SOCKET FEHLT!
/* read from socket */
len = read(sock, &msg, sizeof(msg));
if (len == 0)
{
- printf("Socket closed\n");
+ CERROR(NULL, NULL, "Socket closed.\n");
return(-1); // socket closed
}
if (len > 0)
{
if (len != sizeof(msg))
{
- fprintf(stderr, "Socket short read (%d)\n", len);
+ CERROR(NULL, NULL, "Socket short read. (len %d)\n", len);
return(-1); // socket error
}
if (msg.message != ADMIN_MESSAGE)
{
- fprintf(stderr, "Socket received illegal message %d\n", msg.message);
+ CERROR(NULL, NULL, "Socket received illegal message %d.\n", msg.message);
return(-1); // socket error
}
receive_message(msg.u.msg.type, msg.u.msg.ref, &msg.u.msg.param);
- printf("message received %d\n", msg.u.msg.type);
work = 1;
} else
{
if (errno != EWOULDBLOCK)
{
- fprintf(stderr, "Socket error %d\n", errno);
+ CERROR(NULL, NULL, "Socket failed (errno %d).\n", errno);
return(-1);
}
}
len = write(sock, &admin->msg, sizeof(msg));
if (len == 0)
{
- printf("Socket closed\n");
+ CERROR(NULL, NULL, "Socket closed.\n");
return(-1); // socket closed
}
if (len > 0)
{
if (len != sizeof(msg))
{
- fprintf(stderr, "Socket short write (%d)\n", len);
+ CERROR(NULL, NULL, "Socket short write. (len %d)\n", len);
return(-1); // socket error
}
/* free head */
{
if (errno != EWOULDBLOCK)
{
- fprintf(stderr, "Socket error %d\n", errno);
+ CERROR(NULL, NULL, "Socket failed (errno %d).\n", errno);
return(-1);
}
}
}
/*
- * open and close socket
+ * open and close socket and thread
*/
int open_socket(void)
{
/* open socket */
if ((sock = socket(PF_UNIX, SOCK_STREAM, 0)) < 0)
{
- ast_log(LOG_ERROR, "Failed to create socket.\n");
+ CERROR(NULL, NULL, "Failed to create socket.\n");
return(sock);
}
if ((conn = connect(sock, (struct sockaddr *)&sock_address, SUN_LEN(&sock_address))) < 0)
{
close(sock);
- ast_log(LOG_ERROR, "Failed to connect to socket \"%s\". Is LCR running?\n", sock_address.sun_path);
+ CERROR(NULL, NULL, "Failed to connect to socket '%s'. Is LCR running?\n", sock_address.sun_path);
return(conn);
}
if ((ret = ioctl(sock, FIONBIO, (unsigned char *)(&on))) < 0)
{
close(sock);
- ast_log(LOG_ERROR, "Failed to set socket into non-blocking IO.\n");
+ CERROR(NULL, NULL, "Failed to set socket into non-blocking IO.\n");
return(ret);
}
close(sock);
}
-
-hander thread muss noch
-socket muss per timer fuer das öffnen checken
-void lcr_thread(void)
+static void *chan_thread(void *arg)
{
int work;
+ int ret;
+ union parameter param;
+ time_t retry = 0, now;
- while(42)
- {
+ bchannel_pid = getpid();
+
+ memset(¶m, 0, sizeof(union parameter));
+ if (lcr_sock > 0)
+ time(&retry);
+
+ ast_mutex_lock(&chan_lock);
+
+ while(!quit) {
work = 0;
- /* handle socket */
- int ret = handle_socket();
- if (ret < 0)
- break;
- if (ret)
- work = 1;
+ 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(lcr_sock);
+ lcr_sock = -1;
+ release_all_calls();
+ time(&retry);
+ }
+ if (ret)
+ work = 1;
+ } else {
+ time(&now);
+ if (retry && now-retry > 5) {
+ CERROR(NULL, NULL, "Retry to open socket.\n");
+ retry = 0;
+ if (!(lcr_sock = open_socket())) {
+ time(&retry);
+ }
+ work = 1;
+ }
+
+ }
/* handle mISDN */
ret = bchannel_handle();
if (ret)
work = 1;
- if (!work)
+ if (!work) {
+ ast_mutex_unlock(&chan_lock);
usleep(30000);
+ ast_mutex_lock(&chan_lock);
+ }
}
+
+ CERROR(NULL, NULL, "Thread exit.\n");
+
+ ast_mutex_unlock(&chan_lock);
+
+ return NULL;
}
/*
- * send setup info to LCR
- * this function is called, when asterisk call is received and ref is received
+ * new asterisk instance
*/
-static void send_setup_to_lcr(struct chan_call *call)
+static
+struct ast_channel *lcr_request(const char *type, int format, void *data, int *cause)
{
- if (!ast || !call->ref)
- return;
-
- /* send setup message to LCR */
- memset(&newparam, 0, sizeof(union parameter));
- newparam.setup.xxxxxx =
- send_message(MESSAGE_SETUP, call->ref, &newparam);
- /* change to outgoing setup state */
- call->state = CHAN_LCR_STATE_OUT_SETUP;
-}
+ union parameter newparam;
+ struct ast_channel *ast;
+ struct chan_call *call;
-#if 0
-CHRISTIAN: das war ein konflikt beim pullen
-siehe anderes lcr_request();
-bedenke: das ast_log muss noch üeberall eingepflegt werden
+ ast_mutex_lock(&chan_lock);
-static struct ast_channel *lcr_request(const char *type, int format, void *data, int *cause)
-{
- struct chan_call *call=alloc_call();
+ CDEBUG(NULL, NULL, "Received request from Asterisk.\n");
- if (call) {
-#warning hier muss jetzt wohl eine Ref angefordert werden!
- ast=lcr_ast_new(call, ext, NULL, 0 );
-
- if (ast) {
- call->ast=ast;
- } else {
- ast_log(LOG_WARNING, "Could not create new Asterisk Channel\n");
- free_call(call);
- }
- } else {
- ast_log(LOG_WARNING, "Could not create new Lcr Call Handle\n");
+ /* if socket is closed */
+ if (lcr_sock < 0)
+ {
+ CERROR(NULL, NULL, "Rejecting call from Asterisk, because LCR not running.\n");
+ return NULL;
}
-
- return ast;
-}
-
- struct ast_channel *ast=NULL;
-
- char buf[128];
- char *port_str, *ext, *p;
- int port;
-
- ast_copy_string(buf, data, sizeof(buf)-1);
- p=buf;
- port_str=strsep(&p, "/");
- ext=strsep(&p, "/");
- ast_verbose("portstr:%s ext:%s\n",port_str, ext);
-
- sprintf(buf,"%s/%s",lcr_type,(char*)data);
-#endif
-
-/*
- * send dialing info to LCR
- * this function is called, when setup acknowledge is received and dialing
- * info is available.
- */
-static void send_dialing_to_lcr(struct chan_call *call)
-{
- if (!ast || !call->ref || !call->dialque)
- return;
- /* send setup message to LCR */
- memset(&newparam, 0, sizeof(union parameter));
- strncpy(newparam.dialinginfo.id, call->dialque, sizeof(newparam.dialinginfo.id)-1);
- call->dialque[0] = '\0';
- send_message(MESSAGE_INFORMATION, call->ref, &newparam);
-}
-
-/*
- * new asterisk instance
- */
-static struct ast_channel *lcr_request(const char *type, int format, void *data, int *cause)
-{
/* create call instance */
call = alloc_call();
if (!call)
return NULL;
}
/* create asterisk channel instrance */
- ast = ast_channel_alloc(1);
+ ast = ast_channel_alloc(1, AST_STATE_RESERVED, NULL, NULL, "", NULL, "", 0, "%s/%d", lcr_type, ++glob_channel);
if (!ast)
{
+ CERROR(NULL, NULL, "Failed to create Asterisk channel.\n");
free_call(call);
/* failed to create instance */
return NULL;
/* link together */
ast->tech_pvt = call;
call->ast = ast;
+ ast->tech = &lcr_tech;
+ /* configure channel */
+#ifdef TODO
+ snprintf(ast->name, sizeof(ast->name), "%s/%d", lcr_type, ++glob_channel);
+ ast->name[sizeof(ast->name)-1] = '\0';
+#endif
+#ifdef TODO
+ ast->nativeformats = configfile->lawformat;
+ ast->readformat = ast->rawreadformat = configfile->lawformat;
+ ast->writeformat = ast->rawwriteformat = configfile->lawformat;
+#else
+ ast->nativeformats = AST_FORMAT_ALAW;
+ ast->readformat = ast->rawreadformat = AST_FORMAT_ALAW;
+ ast->writeformat = ast->rawwriteformat = AST_FORMAT_ALAW;
+#endif
+ ast->hangupcause = 0;
/* send MESSAGE_NEWREF */
memset(&newparam, 0, sizeof(union parameter));
newparam.direction = 0; /* request from app */
send_message(MESSAGE_NEWREF, 0, &newparam);
/* set state */
call->state = CHAN_LCR_STATE_OUT_PREPARE;
+
+ ast_mutex_unlock(&chan_lock);
+
+ return ast;
}
/*
*/
static int lcr_call(struct ast_channel *ast, char *dest, int timeout)
{
- struct chan_call *call=ast->tech_pvt;
+ struct chan_call *call;
- if (!call) return -1;
+ ast_mutex_lock(&chan_lock);
+ call = ast->tech_pvt;
+ if (!call) {
+ CERROR(NULL, ast, "Received call from Asterisk, but no call instance exists.\n");
+ ast_mutex_unlock(&chan_lock);
+ return -1;
+ }
- char buf[128];
- char *port_str, *dad, *p;
+ CDEBUG(call, ast, "Received call from Asterisk.\n");
- hier muss noch
- ast_copy_string(buf, dest, sizeof(buf)-1);
- p=buf;
- port_str=strsep(&p, "/");
- dad=strsep(&p, "/");
+ call->pbx_started = 1;
/* send setup message, if we already have a callref */
if (call->ref)
send_setup_to_lcr(call);
- if (lcr_debug)
- ast_verbose("Call: ext:%s dest:(%s) -> dad(%s) \n", ast->exten,dest, dad);
-
-#warning hier müssen wi eine der geholten REFs nehmen und ein SETUP schicken, die INFOS zum SETUP stehen im Ast pointer drin, bzw. werden hier übergeben.
-
+ ast_mutex_unlock(&chan_lock);
return 0;
}
static int lcr_digit(struct ast_channel *ast, char digit)
{
+ struct chan_call *call;
+ union parameter newparam;
char buf[]="x";
/* only pass IA5 number space */
if (digit > 126 || digit < 32)
return 0;
+ 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, "Received digit Asterisk.\n");
+
/* send information or queue them */
if (call->ref && call->state == CHAN_LCR_STATE_OUT_DIALING)
{
- send_dialing_to_lcr(call);
+ 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';
+ 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));
{
+ 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(char->dialque)-1);
- } else
- {
-digits kommen, koennen aber nicht verwendet werden.
- sollen wir sie als info senden (im connect zb.)
+ strncat(call->dialque, buf, strlen(call->dialque)-1);
}
+
+ ast_mutex_unlock(&chan_lock);
+
+ return(0);
}
-static int lcr_answer(struct ast_channel *c)
+static int lcr_answer(struct ast_channel *ast)
{
- struct chan_call *call=c->tech_pvt;
+ union parameter newparam;
+ struct chan_call *call;
+
+ ast_mutex_lock(&chan_lock);
+ 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.\n");
+
+ /* copy connectinfo, if bridged */
+ if (call->bridge_call)
+ memcpy(&call->connectinfo, &call->bridge_call->connectinfo, sizeof(struct connect_info));
+ /* send connect message to lcr */
+ memset(&newparam, 0, sizeof(union parameter));
+ memcpy(&newparam.connectinfo, &call->connectinfo, sizeof(struct connect_info));
+ send_message(MESSAGE_CONNECT, call->ref, &newparam);
+ /* change state */
+ call->state = CHAN_LCR_STATE_CONNECT;
+
+ ast_mutex_unlock(&chan_lock);
return 0;
}
static int lcr_hangup(struct ast_channel *ast)
{
-<<<<<<< HEAD:chan_lcr.c
- struct chan_call *call = ast->tech_pvt;
-=======
- struct chan_call *call=c->tech_pvt;
- c->tech_pvt=NULL;
-}
->>>>>>> 350450b9cadc6107449fe2630843d4f898f680b7:chan_lcr.c
+ union parameter newparam;
+ struct chan_call *call;
+ pthread_t tid = pthread_self();
+
+ if (!pthread_equal(tid, chan_tid))
+ ast_mutex_lock(&chan_lock);
+ 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))
+ ast_mutex_unlock(&chan_lock);
+ return -1;
+ }
+
+ if (!pthread_equal(tid, chan_tid))
+ CDEBUG(call, ast, "Received hangup from Asterisk thread.\n");
+ else
+ CDEBUG(call, ast, "Received hangup from LCR thread.\n");
/* disconnect asterisk, maybe not required */
ast->tech_pvt = NULL;
- if (ref)
+ ast->fds[0] = -1;
+ if (call->ref)
{
/* release */
+ CDEBUG(call, ast, "Releasing ref and freeing call instance.\n");
memset(&newparam, 0, sizeof(union parameter));
newparam.disconnectinfo.cause = CAUSE_RESSOURCEUNAVAIL;
newparam.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
send_message(MESSAGE_RELEASE, call->ref, &newparam);
/* remove call */
free_call(call);
- return;
+ if (!pthread_equal(tid, chan_tid))
+ ast_mutex_unlock(&chan_lock);
+ return 0;
} else
{
/* ref is not set, due to prepare setup or 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
{
/* 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;
}
}
+ if (!pthread_equal(tid, chan_tid))
+ ast_mutex_unlock(&chan_lock);
+ return 0;
}
-static int lcr_write(struct ast_channel *c, struct ast_frame *f)
+static int lcr_write(struct ast_channel *ast, struct ast_frame *f)
{
- struct chan_call *callm= c->tech_pvt;
+ struct chan_call *call;
+ unsigned char buffer[1024], *s, *d = buffer;
+ int i, ii;
+
+ ast_mutex_lock(&chan_lock);
+ call = ast->tech_pvt;
+ if (!call) {
+ ast_mutex_unlock(&chan_lock);
+ return -1;
+ }
+ if (call->bchannel && ((ii = f->samples)))
+ {
+ if (ii > sizeof(buffer))
+ ii = sizeof(buffer);
+ s = f->data;
+ for (i = 0; i < ii; i++)
+ *d++ = flip_bits[*s++];
+ bchannel_transmit(call->bchannel, buffer, ii);
+ }
+ ast_mutex_unlock(&chan_lock);
+ return 0;
}
-static struct ast_frame *lcr_read(struct ast_channel *c)
+static struct ast_frame *lcr_read(struct ast_channel *ast)
{
- struct chan_call *call = c->tech_pvt;
+ struct chan_call *call;
+ int i, len;
+ unsigned char *p;
+
+ ast_mutex_lock(&chan_lock);
+ call = ast->tech_pvt;
+ if (!call) {
+ ast_mutex_unlock(&chan_lock);
+ return NULL;
+ }
+ len = read(call->pipe[0], call->read_buff, sizeof(call->read_buff));
+ if (len <= 0)
+ return NULL;
+
+ p = call->read_buff;
+ for (i = 0; i < len; i++) {
+ *p = flip_bits[*p];
+ p++;
+ }
+
+ call->read_fr.frametype = AST_FRAME_VOICE;
+#ifdef TODO
+ format aus config
+#endif
+ call->read_fr.subclass = AST_FORMAT_ALAW;
+ 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;
+ ast_mutex_unlock(&chan_lock);
+
+ return &call->read_fr;
}
-static int lcr_indicate(struct ast_channel *c, int cond, const void *data, size_t datalen)
+static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, size_t datalen)
{
+ union parameter newparam;
int res = -1;
+ struct chan_call *call;
+
+ ast_mutex_lock(&chan_lock);
+ 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:
+ CDEBUG(call, ast, "Received indicate AST_CONTROL_BUSY from Asterisk.\n");
+ /* send message to lcr */
+ memset(&newparam, 0, sizeof(union parameter));
+ newparam.disconnectinfo.cause = 17;
+ newparam.disconnectinfo.location = 5;
+ send_message(MESSAGE_DISCONNECT, call->ref, &newparam);
+ /* change state */
+ call->state = CHAN_LCR_STATE_OUT_DISCONNECT;
+ /* return */
+ ast_mutex_unlock(&chan_lock);
+ return 0;
case AST_CONTROL_CONGESTION:
- case AST_CONTROL_RINGING:
+ CDEBUG(call, ast, "Received indicate AST_CONTROL_CONGESTION from Asterisk.\n");
+ /* return */
+ ast_mutex_unlock(&chan_lock);
return -1;
+ case AST_CONTROL_RINGING:
+ CDEBUG(call, ast, "Received indicate AST_CONTROL_RINGING from Asterisk.\n");
+ /* send message to lcr */
+ memset(&newparam, 0, sizeof(union parameter));
+ send_message(MESSAGE_ALERTING, call->ref, &newparam);
+ /* change state */
+ call->state = CHAN_LCR_STATE_OUT_ALERTING;
+ /* return */
+ ast_mutex_unlock(&chan_lock);
+ return 0;
case -1:
+ /* return */
+ ast_mutex_unlock(&chan_lock);
return 0;
case AST_CONTROL_VIDUPDATE:
res = -1;
break;
case AST_CONTROL_HOLD:
- ast_verbose(" << Console Has Been Placed on Hold >> \n");
- //ast_moh_start(c, data, g->mohinterpret);
+ 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);
break;
case AST_CONTROL_UNHOLD:
- ast_verbose(" << Console Has Been Retrieved from Hold >> \n");
- //ast_moh_stop(c);
+ CDEBUG(call, ast, "Received indicate AST_CONTROL_UNHOLD from Asterisk.\n");
+ /* send message to lcr */
+ memset(&newparam, 0, sizeof(union parameter));
+ newparam.notifyinfo.notify = INFO_NOTIFY_REMOTE_RETRIEVAL;
+ send_message(MESSAGE_NOTIFY, call->ref, &newparam);
break;
default:
- ast_log(LOG_WARNING, "Don't know how to display condition %d on %s\n", cond, c->name);
+ CERROR(call, ast, "Received indicate from Asterisk with unknown condition %d.\n", cond);
+ /* return */
+ ast_mutex_unlock(&chan_lock);
return -1;
}
+ /* return */
+ ast_mutex_unlock(&chan_lock);
return 0;
}
+/*
+ * bridge process
+ */
+enum ast_bridge_result lcr_bridge(struct ast_channel *ast1,
+ struct ast_channel *ast2, int flags,
+ struct ast_frame **fo,
+ struct ast_channel **rc, int timeoutms)
+
+{
+ struct chan_call *call1, *call2;
+ struct ast_channel *carr[2], *who;
+ int to = -1;
+ struct ast_frame *f;
+ int bridge_id;
+
+ CDEBUG(NULL, NULL, "Received briding request from Asterisk.\n");
+
+ /* join via dsp (if the channels are currently open) */
+ ast_mutex_lock(&chan_lock);
+ bridge_id = new_bridge_id();
+ call1 = ast1->tech_pvt;
+ call2 = ast2->tech_pvt;
+ if (call1 && call2)
+ {
+ call1->bridge_id = bridge_id;
+ if (call1->bchannel)
+ bchannel_join(call1->bchannel, bridge_id);
+ call1->bridge_call = call2;
+ }
+ if (call2)
+ {
+ call2->bridge_id = bridge_id;
+ if (call2->bchannel)
+ bchannel_join(call2->bchannel, bridge_id);
+ call2->bridge_call = call1;
+ }
+ ast_mutex_unlock(&chan_lock);
+
+ while(1) {
+ who = ast_waitfor_n(carr, 2, &to);
+
+ if (!who) {
+ CDEBUG(NULL, NULL, "Empty read on bridge, breaking out.\n");
+ break;
+ }
+ f = ast_read(who);
+
+ if (!f || f->frametype == AST_FRAME_CONTROL) {
+ /* got hangup .. */
+ *fo=f;
+ *rc=who;
+ break;
+ }
+
+ if ( f->frametype == AST_FRAME_DTMF ) {
+ *fo=f;
+ *rc=who;
+ break;
+ }
+
+
+ if (who == ast1) {
+ ast_write(ast2,f);
+ }
+ else {
+ ast_write(ast1,f);
+ }
+
+ }
+
+ CDEBUG(NULL, NULL, "Releasing bride.\n");
+
+ /* split channels */
+ ast_mutex_lock(&chan_lock);
+ call1 = ast1->tech_pvt;
+ call2 = ast2->tech_pvt;
+ if (call1)
+ {
+ call1->bridge_id = 0;
+ if (call1->bchannel)
+ bchannel_join(call1->bchannel, 0);
+ if (call1->bridge_call)
+ call1->bridge_call->bridge_call = NULL;
+ call1->bridge_call = NULL;
+ }
+ if (call2)
+ {
+ call2->bridge_id = 0;
+ if (call2->bchannel)
+ bchannel_join(call2->bchannel, 0);
+ if (call2->bridge_call)
+ call2->bridge_call->bridge_call = NULL;
+ call2->bridge_call = NULL;
+ }
+ ast_mutex_unlock(&chan_lock);
+
+
+ return AST_BRIDGE_COMPLETE;
+}
static struct ast_channel_tech lcr_tech = {
- .type=lcr_type,
+ .type="LCR",
.description="Channel driver for connecting to Linux-Call-Router",
+#ifdef TODO
+ law from config
+#else
.capabilities=AST_FORMAT_ALAW,
+#endif
.requester=lcr_request,
- .send_digit=lcr_digit,
+ .send_digit_begin=lcr_digit,
.call=lcr_call,
-// .bridge=lcr_bridge,
+ .bridge=lcr_bridge,
.hangup=lcr_hangup,
.answer=lcr_answer,
.read=lcr_read,
.properties=0
};
-#warning das muss mal aus der config datei gelesen werden:
-char lcr_context[]="from-lcr";
-
-static struct ast_channel *lcr_ast_new(struct chan_call *call, char *exten, char *callerid, int ref)
-{
- struct ast_channel *tmp;
- char *cid_name = 0, *cid_num = 0;
-
-
- if (callerid)
- ast_callerid_parse(callerid, &cid_name, &cid_num);
-
- tmp = ast_channel_alloc(1, AST_STATE_RESERVED, cid_num, cid_name, "", exten, "", 0, "%s/%d", lcr_type, ref);
-
- if (tmp) {
- tmp->tech = &lcr_tech;
- tmp->writeformat = AST_FORMAT_ALAW;
- tmp->readformat = AST_FORMAT_ALAW;
-
- ast_copy_string(tmp->context, lcr_context, AST_MAX_CONTEXT);
-
- }
-
- return tmp;
-}
-
-
/*
* cli
*/
static int lcr_show_lcr (int fd, int argc, char *argv[])
{
+ return 0;
}
static int lcr_show_calls (int fd, int argc, char *argv[])
{
+ return 0;
}
static int lcr_reload_routing (int fd, int argc, char *argv[])
{
+ return 0;
}
static int lcr_reload_interfaces (int fd, int argc, char *argv[])
{
+ return 0;
}
static int lcr_port_block (int fd, int argc, char *argv[])
{
+ return 0;
}
static int lcr_port_unblock (int fd, int argc, char *argv[])
{
+ return 0;
}
static int lcr_port_unload (int fd, int argc, char *argv[])
{
+ return 0;
}
static struct ast_cli_entry cli_show_lcr =
*/
int load_module(void)
{
-// ast_mutex_init(&release_lock);
+ int i;
-// lcr_cfg_update_ptp();
+ 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);
+ ast_mutex_init(&chan_lock);
+ ast_mutex_init(&log_lock);
+
if (!(lcr_sock = open_socket())) {
- ast_log(LOG_ERROR, "Unable to connect\n");
- lcr_sock = -1;
/* continue with closed socket */
}
if (!bchannel_initialize()) {
- ast_log(LOG_ERROR, "Unable to open mISDN device\n");
+ CERROR(NULL, NULL, "Unable to open mISDN device\n");
+ close_socket(lcr_sock);
return -1;
}
mISDN_created = 1;
if (ast_channel_register(&lcr_tech)) {
- ast_log(LOG_ERROR, "Unable to register channel class\n");
+ CERROR(NULL, NULL, "Unable to register channel class\n");
+ bchannel_deinitialize();
+ close_socket(lcr_sock);
return -1;
}
lcr_cfg_get( 0, LCR_GEN_TRACEFILE, global_tracefile, BUFFERSIZE);
- chan_lcr_log(0, 0, "-- mISDN Channel Driver Registred -- (BE AWARE THIS DRIVER IS EXPERIMENTAL!)\n");
=======
//lcr_cfg_get( 0, LCR_GEN_TRACEFILE, global_tracefile, BUFFERSIZE);
#endif
+ quit = 0;
+ if ((pthread_create(&chan_tid, NULL, chan_thread, NULL)<0))
+ {
+ /* failed to create thread */
+ bchannel_deinitialize();
+ close_socket(lcr_sock);
+ ast_channel_unregister(&lcr_tech);
+ return -1;
+ }
return 0;
}
int unload_module(void)
{
/* First, take us out of the channel loop */
- ast_log(LOG_VERBOSE, "-- Unregistering mISDN Channel Driver --\n");
-
+ CDEBUG(NULL, NULL, "-- Unregistering mISDN Channel Driver --\n");
+
+ quit = 1;
+ pthread_join(chan_tid, NULL);
ast_channel_unregister(&lcr_tech);
return 0;
}
-static int reload_module(void)
+int reload_module(void)
{
// reload_config();
return 0;
}
-
+#ifdef TODO
+mutex init fehlt noch
ast_mutex_t usecnt_lock;
int usecnt;
ast_mutex_unlock(&usecnt_lock);
return res;
}
+#endif
char *desc="Channel driver for lcr";
return ASTERISK_GPL_KEY;
}
-#define AST_MODULE "chan_lcr"
-AST_MODULE_INFO(ASTERISK_GPL_KEY,
- AST_MODFLAG_DEFAULT,
- "Channel driver for LCR",
- .load = load_module,
- .unload = unload_module,
- .reload = reload_module,
- );
projects / lcr.git / blobdiff