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https://github.com/asterisk/asterisk.git
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Reduce indentation level of ast_feature_request_and_dial
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@163166 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Michelson
251
main/features.c
251
main/features.c
@@ -2009,131 +2009,11 @@ static struct ast_channel *ast_feature_request_and_dial(struct ast_channel *call
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struct ast_channel *monitor_chans[2];
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struct ast_channel *active_channel;
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int res = 0, ready = 0;
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struct timeval started;
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int x, len = 0;
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char *disconnect_code = NULL, *dialed_code = NULL;
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if ((chan = ast_request(type, format, data, &cause))) {
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ast_set_callerid(chan, cid_num, cid_name, cid_num);
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ast_string_field_set(chan, language, language);
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ast_channel_inherit_variables(caller, chan);
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pbx_builtin_setvar_helper(chan, "TRANSFERERNAME", caller->name);
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if (!ast_call(chan, data, timeout)) {
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struct timeval started;
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int x, len = 0;
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char *disconnect_code = NULL, *dialed_code = NULL;
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ast_indicate(caller, AST_CONTROL_RINGING);
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/* support dialing of the featuremap disconnect code while performing an attended tranfer */
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ast_rwlock_rdlock(&features_lock);
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for (x = 0; x < FEATURES_COUNT; x++) {
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if (strcasecmp(builtin_features[x].sname, "disconnect"))
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continue;
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disconnect_code = builtin_features[x].exten;
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len = strlen(disconnect_code) + 1;
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dialed_code = alloca(len);
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memset(dialed_code, 0, len);
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break;
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}
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ast_rwlock_unlock(&features_lock);
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x = 0;
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started = ast_tvnow();
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to = timeout;
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ast_poll_channel_add(caller, chan);
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while (!((transferee && ast_check_hangup(transferee)) && (!igncallerstate && ast_check_hangup(caller))) && timeout && (chan->_state != AST_STATE_UP)) {
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struct ast_frame *f = NULL;
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monitor_chans[0] = caller;
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monitor_chans[1] = chan;
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active_channel = ast_waitfor_n(monitor_chans, 2, &to);
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/* see if the timeout has been violated */
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if(ast_tvdiff_ms(ast_tvnow(), started) > timeout) {
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state = AST_CONTROL_UNHOLD;
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ast_log(LOG_NOTICE, "We exceeded our AT-timeout\n");
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break; /*doh! timeout*/
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}
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if (!active_channel)
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continue;
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if (chan && (chan == active_channel)){
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f = ast_read(chan);
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if (f == NULL) { /*doh! where'd he go?*/
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state = AST_CONTROL_HANGUP;
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res = 0;
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break;
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}
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if (f->frametype == AST_FRAME_CONTROL || f->frametype == AST_FRAME_DTMF || f->frametype == AST_FRAME_TEXT) {
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if (f->subclass == AST_CONTROL_RINGING) {
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state = f->subclass;
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ast_verb(3, "%s is ringing\n", chan->name);
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ast_indicate(caller, AST_CONTROL_RINGING);
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} else if ((f->subclass == AST_CONTROL_BUSY) || (f->subclass == AST_CONTROL_CONGESTION)) {
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state = f->subclass;
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ast_verb(3, "%s is busy\n", chan->name);
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ast_indicate(caller, AST_CONTROL_BUSY);
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ast_frfree(f);
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f = NULL;
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break;
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} else if (f->subclass == AST_CONTROL_ANSWER) {
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/* This is what we are hoping for */
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state = f->subclass;
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ast_frfree(f);
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f = NULL;
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ready=1;
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break;
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} else if (f->subclass != -1) {
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ast_log(LOG_NOTICE, "Don't know what to do about control frame: %d\n", f->subclass);
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}
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/* else who cares */
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}
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} else if (caller && (active_channel == caller)) {
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f = ast_read(caller);
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if (f == NULL) { /*doh! where'd he go?*/
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if (!igncallerstate) {
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if (ast_check_hangup(caller) && !ast_check_hangup(chan)) {
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/* make this a blind transfer */
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ready = 1;
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break;
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}
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state = AST_CONTROL_HANGUP;
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res = 0;
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break;
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}
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} else {
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if (f->frametype == AST_FRAME_DTMF) {
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dialed_code[x++] = f->subclass;
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dialed_code[x] = '\0';
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if (strlen(dialed_code) == len) {
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x = 0;
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} else if (x && strncmp(dialed_code, disconnect_code, x)) {
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x = 0;
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dialed_code[x] = '\0';
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}
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if (*dialed_code && !strcmp(dialed_code, disconnect_code)) {
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/* Caller Canceled the call */
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state = AST_CONTROL_UNHOLD;
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ast_frfree(f);
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f = NULL;
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break;
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}
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}
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}
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}
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if (f)
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ast_frfree(f);
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} /* end while */
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ast_poll_channel_del(caller, chan);
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} else
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ast_log(LOG_NOTICE, "Unable to call channel %s/%s\n", type, (char *)data);
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} else {
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if (!(chan = ast_request(type, format, data, &cause))) {
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ast_log(LOG_NOTICE, "Unable to request channel %s/%s\n", type, (char *)data);
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switch(cause) {
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case AST_CAUSE_BUSY:
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@@ -2143,14 +2023,135 @@ static struct ast_channel *ast_feature_request_and_dial(struct ast_channel *call
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state = AST_CONTROL_CONGESTION;
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break;
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}
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goto done;
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}
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ast_set_callerid(chan, cid_num, cid_name, cid_num);
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ast_string_field_set(chan, language, language);
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ast_channel_inherit_variables(caller, chan);
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pbx_builtin_setvar_helper(chan, "TRANSFERERNAME", caller->name);
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if (ast_call(chan, data, timeout)) {
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ast_log(LOG_NOTICE, "Unable to call channel %s/%s\n", type, (char *)data);
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}
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ast_indicate(caller, AST_CONTROL_RINGING);
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/* support dialing of the featuremap disconnect code while performing an attended tranfer */
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ast_rwlock_rdlock(&features_lock);
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for (x = 0; x < FEATURES_COUNT; x++) {
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if (strcasecmp(builtin_features[x].sname, "disconnect"))
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continue;
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disconnect_code = builtin_features[x].exten;
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len = strlen(disconnect_code) + 1;
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dialed_code = alloca(len);
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memset(dialed_code, 0, len);
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break;
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}
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ast_rwlock_unlock(&features_lock);
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x = 0;
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started = ast_tvnow();
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to = timeout;
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ast_poll_channel_add(caller, chan);
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while (!((transferee && ast_check_hangup(transferee)) && (!igncallerstate && ast_check_hangup(caller))) && timeout && (chan->_state != AST_STATE_UP)) {
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struct ast_frame *f = NULL;
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monitor_chans[0] = caller;
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monitor_chans[1] = chan;
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active_channel = ast_waitfor_n(monitor_chans, 2, &to);
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/* see if the timeout has been violated */
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if(ast_tvdiff_ms(ast_tvnow(), started) > timeout) {
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state = AST_CONTROL_UNHOLD;
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ast_log(LOG_NOTICE, "We exceeded our AT-timeout\n");
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break; /*doh! timeout*/
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}
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if (!active_channel)
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continue;
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if (chan && (chan == active_channel)){
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f = ast_read(chan);
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if (f == NULL) { /*doh! where'd he go?*/
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state = AST_CONTROL_HANGUP;
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res = 0;
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break;
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}
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if (f->frametype == AST_FRAME_CONTROL || f->frametype == AST_FRAME_DTMF || f->frametype == AST_FRAME_TEXT) {
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if (f->subclass == AST_CONTROL_RINGING) {
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state = f->subclass;
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ast_verb(3, "%s is ringing\n", chan->name);
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ast_indicate(caller, AST_CONTROL_RINGING);
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} else if ((f->subclass == AST_CONTROL_BUSY) || (f->subclass == AST_CONTROL_CONGESTION)) {
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state = f->subclass;
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ast_verb(3, "%s is busy\n", chan->name);
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ast_indicate(caller, AST_CONTROL_BUSY);
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ast_frfree(f);
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f = NULL;
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break;
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} else if (f->subclass == AST_CONTROL_ANSWER) {
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/* This is what we are hoping for */
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state = f->subclass;
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ast_frfree(f);
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f = NULL;
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ready=1;
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break;
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} else if (f->subclass != -1) {
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ast_log(LOG_NOTICE, "Don't know what to do about control frame: %d\n", f->subclass);
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}
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/* else who cares */
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}
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} else if (caller && (active_channel == caller)) {
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f = ast_read(caller);
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if (f == NULL) { /*doh! where'd he go?*/
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if (!igncallerstate) {
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if (ast_check_hangup(caller) && !ast_check_hangup(chan)) {
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/* make this a blind transfer */
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ready = 1;
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break;
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}
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state = AST_CONTROL_HANGUP;
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res = 0;
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break;
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}
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} else {
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if (f->frametype == AST_FRAME_DTMF) {
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dialed_code[x++] = f->subclass;
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dialed_code[x] = '\0';
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if (strlen(dialed_code) == len) {
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x = 0;
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} else if (x && strncmp(dialed_code, disconnect_code, x)) {
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x = 0;
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dialed_code[x] = '\0';
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}
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if (*dialed_code && !strcmp(dialed_code, disconnect_code)) {
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/* Caller Canceled the call */
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state = AST_CONTROL_UNHOLD;
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ast_frfree(f);
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f = NULL;
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break;
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}
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}
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}
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}
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if (f)
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ast_frfree(f);
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} /* end while */
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ast_poll_channel_del(caller, chan);
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done:
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ast_indicate(caller, -1);
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if (chan && ready) {
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if (chan->_state == AST_STATE_UP)
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state = AST_CONTROL_ANSWER;
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res = 0;
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} else if(chan) {
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} else if (chan) {
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res = -1;
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ast_hangup(chan);
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chan = NULL;
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