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https://github.com/asterisk/asterisk.git
synced 2025-09-05 04:11:08 +00:00
simplify the flow of builtin_atxfer().
There is still a lot of similarity with builtin_blindtransfer() which should be removed by definining functions for the common pieces of code (eg in the first part). git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@21097 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Luigi Rizzo
@@ -444,7 +444,7 @@ static int builtin_automonitor(struct ast_channel *chan, struct ast_channel *pee
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char *caller_chan_id = NULL, *callee_chan_id = NULL, *args = NULL, *touch_filename = NULL;
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int x = 0;
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size_t len;
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struct ast_channel *caller_chan = NULL, *callee_chan = NULL;
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struct ast_channel *caller_chan, *callee_chan;
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if (!monitor_ok) {
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ast_log(LOG_ERROR,"Cannot record the call. The monitor application is disabled.\n");
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@@ -574,9 +574,9 @@ static int builtin_blindtransfer(struct ast_channel *chan, struct ast_channel *p
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if (res < 0) {
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finishup(transferee);
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return -1; /* error ? */
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} else if (res > 0) { /* If they've typed a digit already, handle it */
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xferto[0] = (char) res;
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}
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if (res > 0) /* If they've typed a digit already, handle it */
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xferto[0] = (char) res;
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ast_stopstream(transferer);
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res = ast_app_dtget(transferer, transferer_real_context, xferto, sizeof(xferto), 100, transferdigittimeout);
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@@ -634,18 +634,31 @@ static int builtin_blindtransfer(struct ast_channel *chan, struct ast_channel *p
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return FEATURE_RETURN_SUCCESS;
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}
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static int check_compat(struct ast_channel *c, struct ast_channel *newchan)
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{
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if (ast_channel_make_compatible(c, newchan) < 0) {
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ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n",
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c->name, newchan->name);
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ast_hangup(newchan);
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return -1;
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}
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return 0;
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}
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static int builtin_atxfer(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense)
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{
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struct ast_channel *transferer;
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struct ast_channel *transferee;
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struct ast_channel *newchan, *xferchan=NULL;
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int outstate=0;
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struct ast_bridge_config bconfig;
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const char *transferer_real_context;
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char xferto[256],dialstr[265];
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char xferto[256];
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int res;
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struct ast_frame *f = NULL;
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int outstate=0;
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struct ast_channel *newchan;
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struct ast_channel *xferchan;
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struct ast_bridge_thread_obj *tobj;
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struct ast_bridge_config bconfig;
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struct ast_frame *f;
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int l;
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if (option_debug)
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ast_log(LOG_DEBUG, "Executing Attended Transfer %s, %s (sense=%d) \n", chan->name, peer->name, sense);
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@@ -661,7 +674,8 @@ static int builtin_atxfer(struct ast_channel *chan, struct ast_channel *peer, st
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if (res < 0) {
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finishup(transferee);
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return res;
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} else if (res > 0) /* If they've typed a digit already, handle it */
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}
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if (res > 0) /* If they've typed a digit already, handle it */
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xferto[0] = (char) res;
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/* this is specific of atxfer */
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@@ -677,114 +691,95 @@ static int builtin_atxfer(struct ast_channel *chan, struct ast_channel *peer, st
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return -1;
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return FEATURE_RETURN_SUCCESS;
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}
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/* valid extension, res == 1 */
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{
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if (!ast_exists_extension(transferer, transferer_real_context,xferto, 1, transferer->cid.cid_num)) {
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ast_log(LOG_WARNING, "Extension %s does not exist in context %s\n",xferto,transferer_real_context);
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finishup(transferee);
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if (stream_and_wait(transferer, "beeperr", transferer->language, ""))
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return -1;
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} else {
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snprintf(dialstr, sizeof(dialstr), "%s@%s/n", xferto, transferer_real_context);
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newchan = ast_feature_request_and_dial(transferer, "Local", ast_best_codec(transferer->nativeformats), dialstr, 15000, &outstate, transferer->cid.cid_num, transferer->cid.cid_name);
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ast_indicate(transferer, -1);
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if (!newchan) {
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finishup(transferee);
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/* any reason besides user requested cancel and busy triggers the failed sound */
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if (outstate != AST_CONTROL_UNHOLD && outstate != AST_CONTROL_BUSY &&
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stream_and_wait(transferer, xferfailsound, transferer->language, ""))
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return -1;
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return FEATURE_RETURN_SUCCESS;
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}
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{
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res = ast_channel_make_compatible(transferer, newchan);
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if (res < 0) {
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ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", transferer->name, newchan->name);
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ast_hangup(newchan);
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return -1;
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}
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memset(&bconfig,0,sizeof(struct ast_bridge_config));
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ast_set_flag(&(bconfig.features_caller), AST_FEATURE_DISCONNECT);
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ast_set_flag(&(bconfig.features_callee), AST_FEATURE_DISCONNECT);
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res = ast_bridge_call(transferer,newchan,&bconfig);
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if (newchan->_softhangup || newchan->_state != AST_STATE_UP || !transferer->_softhangup) {
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ast_hangup(newchan);
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if (f) {
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ast_frfree(f);
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f = NULL;
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}
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if (stream_and_wait(transferer, xfersound, transferer->language, ""))
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ast_log(LOG_WARNING, "Failed to play courtesy tone!\n");
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finishup(transferee);
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transferer->_softhangup = 0;
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return FEATURE_RETURN_SUCCESS;
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}
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res = ast_channel_make_compatible(transferee, newchan);
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if (res < 0) {
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ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", transferee->name, newchan->name);
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ast_hangup(newchan);
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return -1;
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}
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ast_moh_stop(transferee);
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if ((ast_autoservice_stop(transferee) < 0)
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|| (ast_waitfordigit(transferee, 100) < 0)
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|| (ast_waitfordigit(newchan, 100) < 0)
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|| ast_check_hangup(transferee)
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|| ast_check_hangup(newchan)) {
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ast_hangup(newchan);
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res = -1;
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return -1;
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}
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if ((xferchan = ast_channel_alloc(0))) {
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ast_string_field_build(xferchan, name, "Transfered/%s", transferee->name);
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/* Make formats okay */
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xferchan->readformat = transferee->readformat;
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xferchan->writeformat = transferee->writeformat;
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ast_channel_masquerade(xferchan, transferee);
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ast_explicit_goto(xferchan, transferee->context, transferee->exten, transferee->priority);
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xferchan->_state = AST_STATE_UP;
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ast_clear_flag(xferchan, AST_FLAGS_ALL);
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xferchan->_softhangup = 0;
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if ((f = ast_read(xferchan))) {
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ast_frfree(f);
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f = NULL;
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}
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} else {
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ast_hangup(newchan);
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return -1;
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}
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newchan->_state = AST_STATE_UP;
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ast_clear_flag(newchan, AST_FLAGS_ALL);
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newchan->_softhangup = 0;
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if ((tobj = ast_calloc(1, sizeof(*tobj)))) {
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tobj->chan = xferchan;
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tobj->peer = newchan;
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tobj->bconfig = *config;
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if (stream_and_wait(newchan, xfersound, newchan->language, ""))
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ast_log(LOG_WARNING, "Failed to play courtesy tone!\n");
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ast_bridge_call_thread_launch(tobj);
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} else {
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ast_hangup(xferchan);
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ast_hangup(newchan);
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}
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return -1;
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}
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}
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if (!ast_exists_extension(transferer, transferer_real_context, xferto, 1, transferer->cid.cid_num)) {
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ast_log(LOG_WARNING, "Extension %s does not exist in context %s\n",xferto,transferer_real_context);
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finishup(transferee);
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if (stream_and_wait(transferer, "beeperr", transferer->language, ""))
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return -1;
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return FEATURE_RETURN_SUCCESS;
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}
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finishup(transferee);
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return FEATURE_RETURN_SUCCESS;
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l = strlen(xferto);
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snprintf(xferto + l, sizeof(xferto) - l, "@%s/n", transferer_real_context); /* append context */
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newchan = ast_feature_request_and_dial(transferer, "Local", ast_best_codec(transferer->nativeformats),
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xferto, 15000, &outstate, transferer->cid.cid_num, transferer->cid.cid_name);
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ast_indicate(transferer, -1);
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if (!newchan) {
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finishup(transferee);
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/* any reason besides user requested cancel and busy triggers the failed sound */
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if (outstate != AST_CONTROL_UNHOLD && outstate != AST_CONTROL_BUSY &&
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stream_and_wait(transferer, xferfailsound, transferer->language, ""))
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return -1;
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return FEATURE_RETURN_SUCCESS;
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}
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if (check_compat(transferer, newchan))
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return -1;
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memset(&bconfig,0,sizeof(struct ast_bridge_config));
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ast_set_flag(&(bconfig.features_caller), AST_FEATURE_DISCONNECT);
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ast_set_flag(&(bconfig.features_callee), AST_FEATURE_DISCONNECT);
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res = ast_bridge_call(transferer, newchan, &bconfig);
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if (newchan->_softhangup || newchan->_state != AST_STATE_UP || !transferer->_softhangup) {
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ast_hangup(newchan);
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if (stream_and_wait(transferer, xfersound, transferer->language, ""))
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ast_log(LOG_WARNING, "Failed to play courtesy tone!\n");
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finishup(transferee);
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transferer->_softhangup = 0;
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return FEATURE_RETURN_SUCCESS;
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}
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if (check_compat(transferee, newchan))
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return -1;
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ast_moh_stop(transferee);
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if ((ast_autoservice_stop(transferee) < 0)
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|| (ast_waitfordigit(transferee, 100) < 0)
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|| (ast_waitfordigit(newchan, 100) < 0)
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|| ast_check_hangup(transferee)
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|| ast_check_hangup(newchan)) {
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ast_hangup(newchan);
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return -1;
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}
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xferchan = ast_channel_alloc(0);
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if (!xferchan) {
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ast_hangup(newchan);
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return -1;
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}
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ast_string_field_build(xferchan, name, "Transfered/%s", transferee->name);
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/* Make formats okay */
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xferchan->readformat = transferee->readformat;
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xferchan->writeformat = transferee->writeformat;
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ast_channel_masquerade(xferchan, transferee);
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ast_explicit_goto(xferchan, transferee->context, transferee->exten, transferee->priority);
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xferchan->_state = AST_STATE_UP;
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ast_clear_flag(xferchan, AST_FLAGS_ALL);
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xferchan->_softhangup = 0;
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if ((f = ast_read(xferchan)))
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ast_frfree(f);
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newchan->_state = AST_STATE_UP;
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ast_clear_flag(newchan, AST_FLAGS_ALL);
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newchan->_softhangup = 0;
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tobj = ast_calloc(1, sizeof(struct ast_bridge_thread_obj));
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if (!tobj) {
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ast_hangup(xferchan);
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ast_hangup(newchan);
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return -1;
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}
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tobj->chan = xferchan;
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tobj->peer = newchan;
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tobj->bconfig = *config;
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if (stream_and_wait(newchan, xfersound, newchan->language, ""))
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ast_log(LOG_WARNING, "Failed to play courtesy tone!\n");
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ast_bridge_call_thread_launch(tobj);
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return -1; /* XXX meaning the channel is bridged ? */
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}
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