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simplify the flow of builtin_atxfer().

Browse Source 
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
1.4
Luigi Rizzo 19 years ago
parent 177b8e9143
commit 51743a4aea
1 changed files with 106 additions and 111 deletions
Show Stats Download Patch File Download Diff File

217
res/res_features.c
Unescape View File

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

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