*/
+/* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#define HAVE_INET_ATON 1
#include <asterisk/compiler.h>
+#ifdef LCR_FOR_ASTERISK
#include <asterisk/buildopts.h>
+#endif
#include <asterisk/module.h>
#include <asterisk/channel.h>
#include <asterisk/config.h>
#include <asterisk/dsp.h>
#include <asterisk/translate.h>
#include <asterisk/file.h>
+#ifdef LCR_FOR_ASTERISK
#include <asterisk/callerid.h>
+#endif
+#ifdef LCR_FOR_CALLWEAVER
+#include <asterisk/phone_no_utils.h>
+#endif
+
#include <asterisk/indications.h>
#include <asterisk/app.h>
#include <asterisk/features.h>
#include <asterisk/sched.h>
+#include <asterisk/version.h>
#include "extension.h"
#include "message.h"
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 wake_pipe[2];
struct lcr_fd wake_fd;
-int quit;
-
int glob_channel = 0;
int lcr_sock = -1;
ast_text[sizeof(ast_text)-1] = '\0';
// ast_log(type, file, line, function, "[call=%s ast=%s] %s", call_text, ast_text, buffer);
- printf("[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);
}
CDEBUG(NULL, NULL, "Ignoring message %d, because socket is closed.\n", message_type);
return -1;
}
- CDEBUG(NULL, NULL, "Sending %s to socket.\n", messages_txt[message_type]);
+ CDEBUG(NULL, NULL, "Sending %s to socket. (ref=%d)\n", messages_txt[message_type], ref);
adminp = &admin_first;
while(*adminp)
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
- if (!call->trans)
+
+ #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
+ #if ASTERISK_VERSION_NUM < 100000
call->trans=ast_translator_build_path(AST_FORMAT_SLINEAR, (options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW);
+ #else
+ struct ast_format src;
+ struct ast_format dst;
+ ast_format_set(&dst, AST_FORMAT_SLINEAR, 0);
+ ast_format_set(&dst,(options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW , 0);
+ call->trans=ast_translator_build_path(&dst, &src);
+ #endif
+ #endif
+ }
}
CDEBUG(call, call->ast, "Option 'f' (faxdetect) with config '%s'.\n", call->faxdetect);
break;
{
union parameter newparam;
struct ast_channel *ast = call->ast;
+// const char *tmp;
if (!call->ast || !call->ref)
return;
- CDEBUG(call, call->ast, "Sending setup to LCR. (interface=%s dialstring=%s, cid=%s)\n", call->interface, ast->exten, ast->caller.id.number.str);
+#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;
+ 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);
- strncpy(newparam.setup.dialinginfo.interfaces, call->interface, sizeof(newparam.setup.dialinginfo.interfaces)-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';
- newparam.setup.callerinfo.id[0] = '\0';
- if (ast->caller.id.number.valid)
- if (ast->caller.id.number.str)
- if (ast->caller.id.number.str[0])
- strncpy(newparam.setup.callerinfo.id, ast->caller.id.number.str, sizeof(newparam.setup.callerinfo.id)-1);
- if (ast->caller.id.name.valid)
- if (ast->caller.id.name.str)
- if (ast->caller.id.name.str[0])
- strncpy(newparam.setup.callerinfo.name, ast->caller.id.name.str, sizeof(newparam.setup.callerinfo.name)-1);
- if (ast->redirecting.from.number.valid)
- if (ast->redirecting.from.number.str)
- if (ast->redirecting.from.number.str[0]) {
- strncpy(newparam.setup.redirinfo.id, ast->redirecting.from.number.str, sizeof(newparam.setup.redirinfo.id)-1);
+
+#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]) {
+ 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;
- }
- switch(ast->caller.id.number.presentation & AST_PRES_RESTRICTION) {
+ }
+ switch(ast->cid.cid_pres & AST_PRES_RESTRICTION) {
case AST_PRES_RESTRICTED:
newparam.setup.callerinfo.present = INFO_PRESENT_RESTRICTED;
break;
default:
newparam.setup.callerinfo.present = INFO_PRESENT_ALLOWED;
}
- switch(ast->caller.id.number.plan) {
+ switch(ast->cid.cid_ton) {
case 4:
newparam.setup.callerinfo.ntype = INFO_NTYPE_SUBSCRIBER;
break;
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)
/* 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), "%s/%s-%04x",lcr_type ,ast->cid.cid_num, ast_random() & 0xffff);
+ #endif
+
ret = ast_pbx_start(ast);
if (ret < 0) {
cause = (ret==-2)?34:27;
/* 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);
+#endif
+ #endif
if (!ast) {
/* release */
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);
- } else {
- ast->caller.id.number.str = strdup("");
- ast->caller.id.number.presentation = AST_PRES_RESTRICTED;
- ast->caller.id.number.plan = 0;
+ 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;
+ }
}
- ast->caller.id.number.valid = 1;
if (param->setup.callerinfo.id2[0]) {
- ast->caller.ani.number.str = strdup(param->setup.callerinfo.id);
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.str = strdup(param->setup.callerinfo.name);
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->redirecting.from.number.str = strdup(numberrize_callerinfo(param->setup.redirinfo.id, param->setup.redirinfo.ntype, options.national, options.international));
+ 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->caller.id.number.presentation = AST_PRES_ALLOWED;
+ ast->cid.cid_pres = AST_PRES_ALLOWED;
break;
case INFO_PRESENT_RESTRICTED:
- ast->caller.id.number.presentation = AST_PRES_RESTRICTED;
+ ast->cid.cid_pres = AST_PRES_RESTRICTED;
break;
default:
- ast->caller.id.number.presentation = AST_PRES_UNAVAILABLE;
+ ast->cid.cid_pres = AST_PRES_UNAVAILABLE;
}
switch (param->setup.callerinfo.ntype) {
case INFO_NTYPE_SUBSCRIBER:
- ast->caller.id.number.plan = 4;
+ ast->cid.cid_ton = 4;
break;
case INFO_NTYPE_NATIONAL:
- ast->caller.id.number.plan = 2;
+ ast->cid.cid_ton = 2;
break;
case INFO_NTYPE_INTERNATIONAL:
- ast->caller.id.number.plan = 1;
+ ast->cid.cid_ton = 1;
break;
default:
- ast->caller.id.number.plan = 0;
+ 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)
strncpy(call->oad, numberrize_callerinfo(param->setup.callerinfo.id, param->setup.callerinfo.ntype, options.national, options.international), sizeof(call->oad)-1);
/* configure channel */
+#if ASTERISK_VERSION_NUM < 100000
ast->nativeformats = (options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW;
ast->readformat = ast->rawreadformat = ast->nativeformats;
ast->writeformat = ast->rawwriteformat = ast->nativeformats;
+#else
+ ast_format_set(&ast->rawwriteformat ,(options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW , 0);
+ ast_format_copy(&ast->rawreadformat, &ast->rawwriteformat);
+ ast_format_cap_set(ast->nativeformats, &ast->rawwriteformat);
+ ast_set_write_format(ast, &ast->rawwriteformat);
+ ast_set_read_format(ast, &ast->rawreadformat);
+#endif
ast->priority = 1;
ast->hangupcause = 0;
call->state = CHAN_LCR_STATE_CONNECT;
/* request bchannel */
if (!call->bchannel) {
- CDEBUG(call, call->ast, "Requesting B-channel.\n");
+ CDEBUG(call, call->ast, "Requesting B-channel. (ref=%d)\n", call->ref);
memset(&newparam, 0, sizeof(union parameter));
newparam.bchannel.type = BCHANNEL_REQUEST;
send_message(MESSAGE_BCHANNEL, call->ref, &newparam);
call->state = CHAN_LCR_STATE_RELEASE;
/* copy release info */
if (!call->cause) {
- call->cause = param->disconnectinfo.cause;
- call->location = param->disconnectinfo.location;
+ call->cause = param->disconnectinfo.cause;
+ call->location = param->disconnectinfo.location;
}
/* if we have an asterisk instance, queue hangup, else we are done */
if (ast) {
/* request bchannel, if call is resumed and we don't have it */
if (param->notifyinfo.notify == INFO_NOTIFY_USER_RESUMED && !call->bchannel && call->ref) {
- CDEBUG(call, call->ast, "Reqesting bchannel at resume.\n");
+ CDEBUG(call, call->ast, "Reqesting bchannel at resume. (ref=%d)\n", call->ref);
memset(&newparam, 0, sizeof(union parameter));
newparam.bchannel.type = BCHANNEL_REQUEST;
send_message(MESSAGE_BCHANNEL, call->ref, &newparam);
/* request bchannel */
if (!call->bchannel) {
- CDEBUG(call, call->ast, "Requesting B-channel.\n");
+ CDEBUG(call, call->ast, "Requesting B-channel. (ref=%d)\n", call->ref);
memset(&newparam, 0, sizeof(union parameter));
newparam.bchannel.type = BCHANNEL_REQUEST;
send_message(MESSAGE_BCHANNEL, call->ref, &newparam);
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 || call->faxdetect > 0)?1:0) + ((call->hdlc)?2:0), call->nodsp_queue))
bchannel_activate(bchannel, 1);
/* handle new ref */
if (message_type == MESSAGE_NEWREF) {
- if (param->direction) {
+ 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)) {
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");
- send_release_and_import(call, CAUSE_NORMAL, LOCATION_PRIVATE_LOCAL);
+ CERROR(NULL, NULL, "No call found, that requests a ref.\n");
return 0;
}
/* store new ref */
/* read from socket */
len = read(lcr_sock, &msg, sizeof(msg));
if (len == 0) {
- CERROR(NULL, NULL, "Socket closed.\n");
+ CERROR(NULL, NULL, "Socket closed.(read)\n");
error:
CERROR(NULL, NULL, "Handling of socket failed - closing for some seconds.\n");
close_socket();
admin = admin_first;
len = write(lcr_sock, &admin->msg, sizeof(msg));
if (len == 0) {
- CERROR(NULL, NULL, "Socket closed.\n");
+ CERROR(NULL, NULL, "Socket closed.(write)\n");
goto error;
}
if (len > 0) {
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);
ast_mutex_lock(&chan_lock);
- while(!quit) {
+ while(1) {
handle_queue();
select_main(0, &global_change, lock_chan, unlock_chan);
}
- close_socket();
-
- del_timer(&socket_retry);
-
- unregister_fd(&wake_fd);
- close(wake_pipe[0]);
- close(wake_pipe[1]);
-
- CERROR(NULL, NULL, "Thread exit.\n");
-
- ast_mutex_unlock(&chan_lock);
-
return NULL;
}
* new asterisk instance
*/
static
+#ifdef AST_1_8_OR_HIGHER
+#if ASTERISK_VERSION_NUM < 100000
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, struct ast_format_cap *format, const struct ast_channel *requestor, void *data, int *cause)
+#endif
+#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;
}
/* create asterisk channel instrance */
- ast = ast_channel_alloc(1, AST_STATE_RESERVED, NULL, NULL, NULL, NULL, NULL, NULL, 0, "%s/%d", lcr_type, ++glob_channel);
+
+ #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);
+#endif
+ #endif
+
+ #ifdef LCR_FOR_CALLWEAVER
+ ast = ast_channel_alloc(1);
+ #endif
if (!ast) {
CERROR(NULL, NULL, "Failed to create Asterisk channel.\n");
ast_mutex_unlock(&chan_lock);
return NULL;
}
-
ast->tech = &lcr_tech;
ast->tech_pvt = (void *)1L; // set pointer or asterisk will not call
/* configure channel */
+#if ASTERISK_VERSION_NUM < 100000
ast->nativeformats = (options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW;
ast->readformat = ast->rawreadformat = ast->nativeformats;
ast->writeformat = ast->rawwriteformat = ast->nativeformats;
+#else
+ ast_format_set(&ast->rawwriteformat ,(options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW , 0);
+ ast_format_copy(&ast->rawreadformat, &ast->rawwriteformat);
+ ast_format_cap_set(ast->nativeformats, &ast->rawwriteformat);
+ ast_set_write_format(ast, &ast->rawwriteformat);
+ ast_set_read_format(ast, &ast->rawreadformat);
+#endif
ast->priority = 1;
ast->hangupcause = 0;
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)
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 && 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 && 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 && 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 && 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;
ast_mutex_lock(&chan_lock);
call = ast->tech_pvt;
+ #ifdef LCR_FOR_CALLWEAVER
+ ast->type = "LCR";
+ snprintf(ast->name, sizeof(ast->name), "%s/%s-%04x",lcr_type, 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);
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 */
&& 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;
+
+ 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,
+ sizeof(call->cid_name)-1);
+ if (ast->cid.cid_rdnis) if (ast->cid.cid_rdnis[0])
+ strncpy(call->cid_rdnis, ast->cid.cid_rdnis,
+ sizeof(call->cid_rdnis)-1);
+#endif
+
ast_mutex_unlock(&chan_lock);
return 0;
}
/* 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;
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);
}
ast_mutex_unlock(&chan_lock);
+
+#ifdef LCR_FOR_ASTERISK
return 0;
}
{
int inband_dtmf = 0;
struct chan_call *call;
+#endif
ast_mutex_lock(&chan_lock);
if (!call) {
CERROR(NULL, ast,
- "Received digit from Asterisk, "
- "but no call instance exists.\n");
+ "Received digit from Asterisk, "
+ "but no call instance exists.\n");
ast_mutex_unlock(&chan_lock);
return -1;
}
// memset(&newparam, 0, sizeof(union parameter));
// send_message(MESSAGE_ENABLEKEYPAD, call->ref, &newparam);
- ast_mutex_unlock(&chan_lock);
+ ast_mutex_unlock(&chan_lock);
return 0;
}
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 ast_frame * f = fr;
- if (!f->subclass.integer)
+#if ASTERISK_VERSION_NUM < 100000
+#ifdef AST_1_8_OR_HIGHER
+ if (!f->subclass.codec)
+#else
+ if (!f->subclass)
+#endif
CDEBUG(NULL, ast, "No subclass\n");
- if (!(f->subclass.integer & ast->nativeformats))
- CDEBUG(NULL, ast, "Unexpected format.\n");
+#endif
+#ifdef AST_1_8_OR_HIGHER
+#if ASTERISK_VERSION_NUM < 100000
+ if (!(f->subclass.codec & ast->nativeformats)) {
+#else
+ if (!ast_format_cap_iscompatible(ast->nativeformats, &f->subclass.format)) {
+#endif
+#else
+ if (!(f->subclass & ast->nativeformats)) {
+#endif
+ CDEBUG(NULL, ast,
+ "Unexpected format. "
+ "Activating emergency conversion...\n");
+
+#ifdef AST_1_8_OR_HIGHER
+#if ASTERISK_VERSION_NUM < 100000
+ ast_set_write_format(ast, f->subclass.codec);
+#else
+ ast_set_write_format(ast, &f->subclass.format);
+#endif
+#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;
if (!call) {
ast_mutex_unlock(&chan_lock);
+ if (f != fr) {
+ ast_frfree(f);
+ }
return -1;
}
if (call->bchannel && 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=0;
+ int len = 0;
ast_mutex_lock(&chan_lock);
call = ast->tech_pvt;
}
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->read_fr.frametype = AST_FRAME_VOICE;
- call->read_fr.subclass.integer = ast->nativeformats;
+#ifdef AST_1_8_OR_HIGHER
+#if ASTERISK_VERSION_NUM < 100000
+ call->read_fr.subclass.codec = ast->nativeformats;
+#else
+ ast_best_codec(ast->nativeformats, &call->read_fr.subclass.format);
+ call->read_fr.subclass.integer = call->read_fr.subclass.format.id;
+#endif
+#else
+ call->read_fr.subclass = ast->nativeformats;
+#endif
if (call->rebuffer) {
call->read_fr.datalen = call->framepos;
call->read_fr.samples = call->framepos;
case -1:
CDEBUG(call, ast, "Received indicate -1.\n");
ast_playtones_stop(ast);
- res = -1;
+ res = -1;
break;
case AST_CONTROL_VIDUPDATE:
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));
case 20:
#endif
CDEBUG(call, ast, "Received AST_CONTROL_SRCUPDATE from Asterisk.\n");
- break;
+ 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;
}
/*
return AST_BRIDGE_COMPLETE;
}
static struct ast_channel_tech lcr_tech = {
- .type="LCR",
+ .type= lcr_type,
.description = "Channel driver for connecting to Linux-Call-Router",
+ #if ASTERISK_VERSION_NUM < 100000
.capabilities = AST_FORMAT_ALAW,
+ #endif
.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,
#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;
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");
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);
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;
+ #if ASTERISK_VERSION_NUM < 100000
lcr_tech.capabilities = (options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW;
+ #else
+ struct ast_format tmp;
+ ast_format_set(&tmp ,(options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW , 0);
+ if (!(lcr_tech.capabilities = ast_format_cap_alloc())) {
+ return AST_MODULE_LOAD_DECLINE;
+ }
+ ast_format_cap_add(lcr_tech.capabilities, &tmp);
+ #endif
if (ast_channel_register(&lcr_tech)) {
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(<opt><optarg>:<opt>:...)\n"
+ #endif
+
+ #ifdef LCR_FOR_CALLWEAVER
+ "lcr_config(<opt><optarg>:<opt>:...)\n",
+ #endif
+
"Sets LCR opts. and optargs\n"
"\n"
"The available options are:\n"
ast_cli_register(&cli_port_unload);
#endif
- quit = 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;
}
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");
+
+ pthread_cancel(chan_tid);
+
+ close_socket();
+
+ del_timer(&socket_retry);
+
+ unregister_fd(&wake_fd);
+ close(wake_pipe[0]);
+ close(wake_pipe[1]);
- quit = 1;
- pthread_join(chan_tid, NULL);
+// ast_mutex_unlock(&chan_lock);
ast_channel_unregister(&lcr_tech);
ast_unregister_application("lcr_config");
-
if (mISDN_created) {
bchannel_deinitialize();
mISDN_created = 0;
lcr_sock = -1;
}
+#if ASTERISK_VERSION_NUM >= 100000
+ lcr_tech.capabilities = ast_format_cap_destroy(lcr_tech.capabilities);
+#endif
return 0;
}
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