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switch_ivr_originate.c
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switch_ivr_originate.c
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/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005-2012, Anthony Minessale II <anthm@freeswitch.org>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthm@freeswitch.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthm@freeswitch.org>
* Michael Jerris <mike@jerris.com>
* Travis Cross <tc@traviscross.com>
*
* switch_ivr_originate.c -- IVR Library (originate)
*
*/
#include <switch.h>
#define QUOTED_ESC_COMMA 1
#define UNQUOTED_ESC_COMMA 2
static const switch_state_handler_table_t originate_state_handlers;
static switch_status_t originate_on_consume_media_transmit(switch_core_session_t *session)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
if (!switch_channel_test_flag(channel, CF_PROXY_MODE) && switch_channel_test_flag(channel, CF_CONSUME_ON_ORIGINATE)) {
while (switch_channel_test_flag(channel, CF_ORIGINATING) &&
switch_channel_get_state(channel) == CS_CONSUME_MEDIA && !switch_channel_test_flag(channel, CF_TAGGED)) {
if (!switch_channel_media_ready(channel)) {
switch_yield(10000);
} else {
switch_ivr_sleep(session, 10, SWITCH_FALSE, NULL);
}
switch_ivr_parse_all_messages(session);
}
}
switch_channel_clear_state_handler(channel, &originate_state_handlers);
return SWITCH_STATUS_FALSE;
}
static switch_status_t originate_on_routing(switch_core_session_t *session)
{
switch_channel_t *channel = switch_core_session_get_channel(session);
if (switch_channel_get_state(channel) == CS_ROUTING) {
/* put the channel in a passive state until it is answered */
switch_channel_set_state(channel, CS_CONSUME_MEDIA);
}
return SWITCH_STATUS_FALSE;
}
static const switch_state_handler_table_t originate_state_handlers = {
/*.on_init */ NULL,
/*.on_routing */ originate_on_routing,
/*.on_execute */ NULL,
/*.on_hangup */ NULL,
/*.on_exchange_media */ NULL,
/*.on_soft_execute */ originate_on_consume_media_transmit,
/*.on_consume_media */ originate_on_consume_media_transmit
};
typedef struct {
switch_core_session_t *peer_session;
switch_channel_t *peer_channel;
switch_caller_profile_t *caller_profile;
uint8_t ring_ready;
uint8_t early_media;
uint8_t answered;
uint8_t tagged;
uint32_t per_channel_timelimit_sec;
uint32_t per_channel_progress_timelimit_sec;
uint32_t per_channel_delay_start;
} originate_status_t;
typedef struct {
switch_core_session_t *session;
int32_t idx;
uint32_t hups;
char *file;
char *error_file;
int confirm_timeout;
char key[80];
uint8_t early_ok;
uint8_t ring_ready;
uint8_t instant_ringback;
uint8_t sent_ring;
uint8_t progress;
uint8_t return_ring_ready;
uint8_t monitor_early_media_ring;
uint8_t monitor_early_media_fail;
uint8_t gen_ringback;
uint8_t ignore_early_media;
uint8_t ignore_ring_ready;
int monitor_early_media_ring_count;
int monitor_early_media_ring_total;
int cancel_timeout;
int continue_on_timeout;
int ringback_ok;
int sending_ringback;
int bridge_early_media;
switch_thread_t *ethread;
switch_caller_profile_t *caller_profile_override;
switch_bool_t check_vars;
switch_memory_pool_t *pool;
} originate_global_t;
typedef enum {
IDX_KEY_CANCEL = -4,
IDX_TIMEOUT = -3,
IDX_CANCEL = -2,
IDX_NADA = -1
} abort_t;
struct key_collect {
char *key;
char *file;
char *error_file;
int confirm_timeout;
switch_core_session_t *session;
};
static void *SWITCH_THREAD_FUNC collect_thread_run(switch_thread_t *thread, void *obj)
{
struct key_collect *collect = (struct key_collect *) obj;
switch_channel_t *channel = switch_core_session_get_channel(collect->session);
char buf[10] = SWITCH_BLANK_STRING;
switch_application_interface_t *application_interface = NULL;
if (collect->session) {
if (switch_core_session_read_lock(collect->session) != SWITCH_STATUS_SUCCESS) {
return NULL;
}
} else {
return NULL;
}
switch_ivr_sleep(collect->session, 0, SWITCH_TRUE, NULL);
if (!strcasecmp(collect->key, "exec")) {
char *data;
char *app_name, *app_data;
if (!(data = collect->file)) {
goto wbreak;
}
app_name = data;
if ((app_data = strchr(app_name, ' '))) {
*app_data++ = '\0';
}
if ((application_interface = switch_loadable_module_get_application_interface(app_name)) == 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(collect->session), SWITCH_LOG_ERROR, "Invalid Application %s\n", app_name);
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
goto wbreak;
}
if (!application_interface->application_function) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(collect->session), SWITCH_LOG_ERROR, "No Function for %s\n", app_name);
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
goto wbreak;
}
switch_core_session_exec(collect->session, application_interface, app_data);
if (switch_channel_up_nosig(channel)) {
switch_channel_set_flag(channel, CF_WINNER);
switch_channel_set_variable(channel, "group_dial_status", "winner");
}
goto wbreak;
}
if (!switch_channel_up_nosig(channel)) {
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
goto wbreak;
}
while (switch_channel_ready(channel)) {
switch_size_t len = strlen(collect->key);
const char *file = collect->file;
switch_status_t status;
memset(buf, 0, sizeof(buf));
if (zstr(file)) {
file = "silence";
}
status = switch_ivr_read(collect->session,
len,
len,
collect->file, NULL, buf, sizeof(buf), collect->confirm_timeout, NULL, 0);
if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_BREAK && status != SWITCH_STATUS_TOO_SMALL) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(collect->session), SWITCH_LOG_ERROR, "%s Error Playing File!\n",
switch_channel_get_name(channel));
switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER);
}
if (!strcmp(collect->key, buf)) {
switch_channel_set_flag(channel, CF_WINNER);
switch_channel_set_variable(channel, "group_dial_status", "winner");
goto wbreak;
} else if (collect->error_file) {
switch_ivr_play_file(collect->session, NULL, collect->error_file, NULL);
}
}
wbreak:
switch_core_session_rwunlock(collect->session);
UNPROTECT_INTERFACE(application_interface);
return NULL;
}
static void launch_collect_thread(struct key_collect *collect)
{
switch_thread_t *thread;
switch_threadattr_t *thd_attr = NULL;
switch_threadattr_create(&thd_attr, switch_core_session_get_pool(collect->session));
switch_threadattr_detach_set(thd_attr, 1);
switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
switch_thread_create(&thread, thd_attr, collect_thread_run, collect, switch_core_session_get_pool(collect->session));
}
static int check_per_channel_timeouts(originate_global_t *oglobals,
originate_status_t *originate_status, int max, time_t start, switch_call_cause_t *force_reason)
{
int x = 0, i, delayed_channels = 0, active_channels = 0;
uint32_t early_exit_time = 0, delayed_min = 0;
time_t elapsed = switch_epoch_time_now(NULL) - start;
if (oglobals->cancel_timeout > 0) {
return 0;
}
for (i = 0; i < max; i++) {
if (originate_status[i].peer_channel && switch_channel_get_state(originate_status[i].peer_channel) != CS_DESTROY &&
switch_channel_get_state(originate_status[i].peer_channel) != CS_REPORTING) {
if (originate_status[i].per_channel_delay_start) {
delayed_channels++;
} else {
active_channels++;
}
}
}
if (active_channels == 0 && delayed_channels) {
for (i = 0; i < max; i++) {
if (originate_status[i].peer_channel && originate_status[i].per_channel_delay_start &&
(!delayed_min || delayed_min > originate_status[i].per_channel_delay_start)) {
delayed_min = originate_status[i].per_channel_delay_start;
}
}
early_exit_time = delayed_min - (uint32_t) elapsed;
}
for (i = 0; i < max; i++) {
if (originate_status[i].peer_channel && originate_status[i].per_channel_delay_start &&
(elapsed > originate_status[i].per_channel_delay_start || active_channels == 0)) {
if (active_channels == 0) {
if (originate_status[i].per_channel_timelimit_sec) {
if (originate_status[i].per_channel_timelimit_sec > early_exit_time) {
/* IN theory this check is not needed ( should just be if !0 then -= with no else), if its not 0 it should always be greater.... */
originate_status[i].per_channel_timelimit_sec -= early_exit_time;
} else {
originate_status[i].per_channel_timelimit_sec = 1;
}
}
if (originate_status[i].per_channel_progress_timelimit_sec) {
if (originate_status[i].per_channel_progress_timelimit_sec > early_exit_time) {
/* IN theory this check is not needed ( should just be if !0 then -= with no else), if its not 0 it should always be greater.... */
originate_status[i].per_channel_progress_timelimit_sec -= early_exit_time;
} else {
originate_status[i].per_channel_progress_timelimit_sec = 1;
}
}
originate_status[i].per_channel_delay_start -= delayed_min;
} else {
originate_status[i].per_channel_delay_start = 0;
}
if (!originate_status[i].per_channel_delay_start) {
switch_channel_clear_flag(originate_status[i].peer_channel, CF_BLOCK_STATE);
}
}
if (originate_status[i].peer_channel && switch_channel_up_nosig(originate_status[i].peer_channel)) {
if (originate_status[i].per_channel_progress_timelimit_sec && elapsed > originate_status[i].per_channel_progress_timelimit_sec &&
!(switch_channel_test_flag(originate_status[i].peer_channel, CF_RING_READY) ||
switch_channel_test_flag(originate_status[i].peer_channel, CF_ANSWERED) ||
(!oglobals->monitor_early_media_ring && switch_channel_test_flag(originate_status[i].peer_channel, CF_EARLY_MEDIA))
)
) {
switch_channel_hangup(originate_status[i].peer_channel, SWITCH_CAUSE_PROGRESS_TIMEOUT);
*force_reason = SWITCH_CAUSE_PROGRESS_TIMEOUT;
x++;
}
if (originate_status[i].per_channel_timelimit_sec && elapsed > originate_status[i].per_channel_timelimit_sec) {
switch_channel_hangup(originate_status[i].peer_channel, SWITCH_CAUSE_ALLOTTED_TIMEOUT);
x++;
}
}
}
return x;
}
static switch_bool_t monitor_callback(switch_core_session_t *session, const char *app, const char *data)
{
if (app) {
switch_channel_t *channel = switch_core_session_get_channel(session);
if (!strcmp(app, "fail")) {
const char *bd = switch_channel_get_variable(channel, "monitor_fail_dispo");
if (!bd) {
bd = "monitor_early_media_fail";
}
switch_channel_set_variable(channel, "DIALSTATUS", "BUSY");
switch_channel_set_variable(channel, "originate_disposition", bd);
switch_channel_hangup(channel, data ? switch_channel_str2cause(data) : SWITCH_CAUSE_USER_BUSY);
} else if (!strcmp(app, "ring")) {
originate_global_t *oglobals = (originate_global_t *) switch_channel_get_private(channel, "_oglobals_");
const char *bd = switch_channel_get_variable(channel, "monitor_ring_dispo");
if (!bd) {
bd = "monitor_early_media_ring";
}
switch_channel_set_variable(channel, "originate_disposition", bd);
switch_channel_set_variable(channel, "DIALSTATUS", "EARLY");
if (oglobals) {
if (oglobals->monitor_early_media_ring_total && ++oglobals->monitor_early_media_ring_count < oglobals->monitor_early_media_ring_total) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Ring %d/%d\n",
oglobals->monitor_early_media_ring_count, oglobals->monitor_early_media_ring_total);
return SWITCH_TRUE;
}
switch_channel_set_private(channel, "_oglobals_", NULL);
if (!oglobals->progress) {
oglobals->progress = 1;
}
if (!oglobals->ring_ready && !oglobals->ignore_ring_ready) {
oglobals->ring_ready = 1;
}
if (!oglobals->ignore_early_media && !oglobals->early_ok) {
oglobals->early_ok = 1;
}
}
}
}
return SWITCH_FALSE;
}
static void inherit_codec(switch_channel_t *caller_channel, switch_core_session_t *session)
{
const char *var = switch_channel_get_variable(caller_channel, "inherit_codec");
switch_channel_t *channel = switch_core_session_get_channel(session);
if (!zstr(var) && !strcasecmp(var, "passthru")) {
switch_channel_set_variable(caller_channel, "absolute_codec_string", switch_channel_get_variable(channel, "ep_codec_string"));
} else if (switch_true(var)) {
switch_codec_implementation_t impl = { 0 };
switch_codec_implementation_t video_impl = { 0 };
char tmp[128] = "";
if (switch_core_session_get_read_impl(session, &impl) == SWITCH_STATUS_SUCCESS) {
const char *ep = switch_channel_get_variable(caller_channel, "ep_codec_string");
if (switch_core_session_get_video_read_impl(session, &video_impl) == SWITCH_STATUS_SUCCESS) {
switch_snprintf(tmp, sizeof(tmp), "%s@%uh@%ui,%s",
impl.iananame, impl.samples_per_second, (uint32_t)impl.microseconds_per_packet / 1000,
video_impl.iananame);
} else {
switch_snprintf(tmp, sizeof(tmp), "%s@%uh@%ui",
impl.iananame, impl.samples_per_second, (uint32_t)impl.microseconds_per_packet / 1000);
}
if (ep && switch_stristr(impl.iananame, ep)) {
switch_channel_set_variable(caller_channel, "absolute_codec_string", tmp);
switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(caller_channel), SWITCH_LOG_DEBUG, "Setting codec string on %s to %s\n",
switch_channel_get_name(caller_channel), tmp);
} else {
switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(caller_channel), SWITCH_LOG_DEBUG, "Codec string %s not supported on %s, skipping inheritance\n",
tmp, switch_channel_get_name(caller_channel));
}
} else {
switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(caller_channel), SWITCH_LOG_WARNING,
"Error inheriting codec. Channel %s has no read codec yet.\n",
switch_channel_get_name(channel));
}
}
}
static uint8_t check_channel_status(originate_global_t *oglobals, originate_status_t *originate_status, uint32_t len, switch_call_cause_t *force_reason)
{
uint32_t i;
uint8_t rval = 0;
switch_channel_t *caller_channel = NULL;
int pindex = -1;
char bug_key[256] = "";
int send_ringback = 0;
uint8_t ring_ready_val = 0;
int pickups = 0;
oglobals->hups = 0;
oglobals->idx = IDX_NADA;
if (oglobals->session) {
caller_channel = switch_core_session_get_channel(oglobals->session);
if (switch_channel_test_flag(caller_channel, CF_XFER_ZOMBIE)) {
caller_channel = NULL;
}
}
for (i = 0; i < len; i++) {
if (originate_status[i].peer_channel && switch_channel_test_flag(originate_status[i].peer_channel, CF_CHANNEL_SWAP)) {
const char *key = switch_channel_get_variable(originate_status[i].peer_channel, "channel_swap_uuid");
switch_core_session_t *swap_session, *old_session;
if ((swap_session = switch_core_session_locate(key))) {
switch_channel_clear_flag(originate_status[i].peer_channel, CF_CHANNEL_SWAP);
switch_channel_hangup(originate_status[i].peer_channel, SWITCH_CAUSE_PICKED_OFF);
switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(originate_status[i].peer_channel), SWITCH_LOG_DEBUG, "Swapping %s for %s\n",
switch_core_session_get_name(swap_session), switch_channel_get_name(originate_status[i].peer_channel));
old_session = originate_status[i].peer_session;
originate_status[i].peer_session = swap_session;
originate_status[i].peer_channel = switch_core_session_get_channel(originate_status[i].peer_session);
originate_status[i].caller_profile = switch_channel_get_caller_profile(originate_status[i].peer_channel);
switch_channel_set_flag(originate_status[i].peer_channel, CF_ORIGINATING);
switch_channel_answer(originate_status[i].peer_channel);
switch_core_session_rwunlock(old_session);
break;
}
}
}
for (i = 0; i < len; i++) {
switch_channel_state_t state;
if (originate_status[i].tagged && originate_status[i].peer_session) {
switch_channel_t *channel = switch_core_session_get_channel(originate_status[i].peer_session);
uint32_t j;
if (switch_channel_down_nosig(channel)) {
switch_call_cause_t cause = switch_channel_get_cause(channel);
for (j = 0; j < len; j++) {
channel = switch_core_session_get_channel(originate_status[j].peer_session);
switch_channel_hangup(channel, cause);
}
oglobals->hups = len;
rval = 0;
goto end;
}
}
if (originate_status[i].peer_channel && switch_channel_test_flag(originate_status[i].peer_channel, CF_PICKUP)) {
pickups++;
}
if (!(originate_status[i].peer_channel && originate_status[i].peer_session)) {
oglobals->hups++;
continue;
}
if ((ring_ready_val = (uint8_t)switch_channel_test_flag(originate_status[i].peer_channel, CF_RING_READY))) {
if (!originate_status[i].ring_ready) {
originate_status[i].ring_ready = ring_ready_val;
}
if (oglobals->sending_ringback == 1) {
send_ringback++;
pindex = (uint32_t) i;
} else {
if (!oglobals->ring_ready) {
oglobals->ring_ready = ring_ready_val;
if (caller_channel && !oglobals->ignore_ring_ready) {
if (len == 1) {
switch_channel_pass_callee_id(originate_status[0].peer_channel, caller_channel);
}
switch_channel_ring_ready_value(caller_channel, ring_ready_val);
oglobals->sent_ring = ring_ready_val;
}
}
}
}
if (switch_channel_test_flag(originate_status[i].peer_channel, CF_EARLY_MEDIA)) {
if (oglobals->ignore_early_media == 3 && oglobals->bridge_early_media == -1) {
oglobals->bridge_early_media = i;
oglobals->ringback_ok = 1;
}
if (oglobals->sending_ringback == 1) {
send_ringback++;
pindex = (uint32_t) i;
} else if (!oglobals->sent_ring && oglobals->ignore_early_media == 2 && len == 1 && caller_channel && !oglobals->ignore_ring_ready) {
switch_channel_pass_callee_id(originate_status[0].peer_channel, caller_channel);
switch_channel_ring_ready(caller_channel);
oglobals->sent_ring = 1;
}
if (!originate_status[i].early_media) {
originate_status[i].early_media = 1;
if (oglobals->early_ok) {
pindex = i;
}
if (oglobals->monitor_early_media_fail) {
const char *var = switch_channel_get_variable(originate_status[i].peer_channel, "monitor_early_media_fail");
if (!zstr(var)) {
char *fail_array[128] = { 0 };
int fail_count = 0;
char *fail_data = strdup(var);
int fx;
int y = 0;
switch_assert(fail_data);
fail_count = switch_separate_string(fail_data, '!', fail_array, (sizeof(fail_array) / sizeof(fail_array[0])));
for (fx = 0; fx < fail_count; fx++) {
char *cause = fail_array[fx];
int hits = 2;
char *p, *q;
if (!(p = strchr(cause, ':'))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(originate_status[i].peer_session), SWITCH_LOG_ERROR, "Parse Error\n");
continue;
}
*p++ = '\0';
if (!p) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(originate_status[i].peer_session), SWITCH_LOG_ERROR, "Parse Error\n");
continue;
}
if (!(hits = atoi(p))) {
hits = 2;
}
if (!(p = strchr(p, ':'))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(originate_status[i].peer_session), SWITCH_LOG_ERROR, "Parse Error\n");
continue;
}
*p++ = '\0';
if (!p) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(originate_status[i].peer_session), SWITCH_LOG_ERROR, "Parse Error\n");
continue;
}
for (q = p; q && *q; q++) {
if (*q == '+') {
*q = ',';
}
}
switch_snprintf(bug_key, sizeof(bug_key), "monitor_early_media_fail_%d", ++y);
switch_ivr_tone_detect_session(originate_status[i].peer_session, bug_key, p, "r", 0, hits, "fail", cause, monitor_callback);
}
switch_safe_free(fail_data);
}
}
if (oglobals->monitor_early_media_ring) {
const char *var = switch_channel_get_variable(originate_status[i].peer_channel, "monitor_early_media_ring");
const char *var_total = switch_channel_get_variable(originate_status[i].peer_channel, "monitor_early_media_ring_total");
if (!zstr(var)) {
char *ring_array[128] = { 0 };
int ring_count = 0;
char *ring_data = strdup(var);
int fx;
int y = 0;
switch_assert(ring_data);
ring_count = switch_separate_string(ring_data, '!', ring_array, (sizeof(ring_array) / sizeof(ring_array[0])));
for (fx = 0; fx < ring_count; fx++) {
int hits = 2;
char *p = ring_array[fx], *q;
if (!p) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(originate_status[i].peer_session), SWITCH_LOG_ERROR, "Parse Error\n");
continue;
}
if (!(hits = atoi(p))) {
hits = 2;
}
if (!(p = strchr(p, ':'))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(originate_status[i].peer_session), SWITCH_LOG_ERROR, "Parse Error\n");
continue;
}
*p++ = '\0';
if (!p) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(originate_status[i].peer_session), SWITCH_LOG_ERROR, "Parse Error\n");
continue;
}
for (q = p; q && *q; q++) {
if (*q == '+') {
*q = ',';
}
}
switch_channel_set_private(originate_status[i].peer_channel, "_oglobals_", oglobals);
switch_snprintf(bug_key, sizeof(bug_key), "monitor_early_media_ring_%d", ++y);
switch_ivr_tone_detect_session(originate_status[i].peer_session, bug_key, p, "r", 0, hits, "ring", NULL, monitor_callback);
}
if (var_total) {
int tmp = atoi(var_total);
if (tmp > 0 && tmp < 100) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(originate_status[i].peer_session), SWITCH_LOG_DEBUG,
"%s setting ring total to %d\n", switch_channel_get_name(originate_status[i].peer_channel), tmp);
oglobals->monitor_early_media_ring_total = tmp;
}
}
switch_safe_free(ring_data);
}
}
}
if (!oglobals->monitor_early_media_ring) {
if (!oglobals->progress) {
oglobals->progress = 1;
}
if (!oglobals->ring_ready && !oglobals->ignore_ring_ready) {
oglobals->ring_ready = 1;
}
}
}
if (!switch_channel_test_flag(originate_status[i].peer_channel, CF_PARK) &&
!switch_channel_test_flag(originate_status[i].peer_channel, CF_CONSUME_ON_ORIGINATE)) {
if (switch_core_session_messages_waiting(originate_status[i].peer_session)) {
if (switch_channel_test_flag(originate_status[i].peer_channel, CF_THREAD_SLEEPING)) {
switch_core_session_wake_session_thread(originate_status[i].peer_session);
} else {
switch_ivr_parse_all_events(originate_status[i].peer_session);
}
}
}
if (switch_channel_test_flag(originate_status[i].peer_channel, CF_EARLY_OK)) {
if (!oglobals->early_ok) {
oglobals->early_ok = 1;
}
switch_channel_clear_flag(originate_status[i].peer_channel, CF_EARLY_OK);
}
if (caller_channel && switch_channel_test_flag(caller_channel, CF_EARLY_OK)) {
if (!oglobals->early_ok) {
oglobals->early_ok = 1;
}
switch_channel_clear_flag(caller_channel, CF_EARLY_OK);
}
state = switch_channel_get_state(originate_status[i].peer_channel);
if (state >= CS_HANGUP || state == CS_RESET || switch_channel_test_flag(originate_status[i].peer_channel, CF_TRANSFER) ||
switch_channel_test_flag(originate_status[i].peer_channel, CF_REDIRECT) ||
switch_channel_test_flag(originate_status[i].peer_channel, CF_BRIDGED) ||
!switch_channel_test_flag(originate_status[i].peer_channel, CF_ORIGINATING)
) {
(oglobals->hups)++;
if (switch_channel_test_flag(originate_status[i].peer_channel, CF_PICKUP)) {
pickups--;
}
} else if ((switch_channel_test_flag(originate_status[i].peer_channel, CF_ANSWERED) ||
(oglobals->early_ok && switch_channel_test_flag(originate_status[i].peer_channel, CF_EARLY_MEDIA)) ||
(oglobals->ring_ready && oglobals->return_ring_ready && len == 1 &&
switch_channel_test_flag(originate_status[i].peer_channel, CF_RING_READY))
)
&& !switch_channel_test_flag(originate_status[i].peer_channel, CF_TAGGED)
) {
if (!zstr(oglobals->key)) {
struct key_collect *collect;
if (oglobals->cancel_timeout < 0) {
oglobals->cancel_timeout = 1;
}
if ((collect = switch_core_session_alloc(originate_status[i].peer_session, sizeof(*collect)))) {
switch_channel_set_flag(originate_status[i].peer_channel, CF_TAGGED);
if (!zstr(oglobals->key)) {
collect->key = switch_core_session_strdup(originate_status[i].peer_session, oglobals->key);
}
if (!zstr(oglobals->file)) {
collect->file = switch_core_session_strdup(originate_status[i].peer_session, oglobals->file);
}
if (!zstr(oglobals->error_file)) {
collect->error_file = switch_core_session_strdup(originate_status[i].peer_session, oglobals->error_file);
}
if (oglobals->confirm_timeout) {
collect->confirm_timeout = oglobals->confirm_timeout;
} else {
collect->confirm_timeout = 5000;
}
switch_channel_audio_sync(originate_status[i].peer_channel);
collect->session = originate_status[i].peer_session;
launch_collect_thread(collect);
}
} else {
oglobals->idx = i;
pindex = (uint32_t) i;
rval = 0;
goto end;
}
} else if (switch_channel_test_flag(originate_status[i].peer_channel, CF_WINNER)) {
oglobals->idx = i;
rval = 0;
pindex = (uint32_t) i;
goto end;
}
}
if (oglobals->hups > 0 && oglobals->hups + pickups == len) {
rval = 0;
} else {
rval = 1;
}
end:
if (rval == 0 && pickups) {
for (i = 0; i < len; i++) {
if (originate_status[i].peer_channel && switch_channel_test_flag(originate_status[i].peer_channel, CF_PICKUP) &&
switch_channel_up(originate_status[i].peer_channel)) {
switch_channel_hangup(originate_status[i].peer_channel, SWITCH_CAUSE_NO_PICKUP);
}
}
}
if (pindex > -1 && caller_channel && switch_channel_ready(caller_channel) && !switch_channel_media_ready(caller_channel) &&
switch_channel_media_ready(originate_status[pindex].peer_channel)) {
inherit_codec(caller_channel, originate_status[pindex].peer_session);
}
if (send_ringback) {
oglobals->sending_ringback++;
}
return rval;
}
struct ringback {
switch_buffer_t *audio_buffer;
teletone_generation_session_t ts;
switch_file_handle_t fhb;
switch_file_handle_t *fh;
int silence;
uint8_t asis;
};
typedef struct ringback ringback_t;
static int teletone_handler(teletone_generation_session_t *ts, teletone_tone_map_t *map)
{
ringback_t *tto = ts->user_data;
int wrote;
if (!tto) {
return -1;
}
wrote = teletone_mux_tones(ts, map);
switch_buffer_write(tto->audio_buffer, ts->buffer, wrote * 2);
return 0;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_wait_for_answer(switch_core_session_t *session, switch_core_session_t *peer_session)
{
switch_channel_t *caller_channel = NULL;
switch_channel_t *peer_channel = switch_core_session_get_channel(peer_session);
const char *ringback_data = NULL;
switch_frame_t write_frame = { 0 };
switch_codec_t write_codec = { 0 };
switch_codec_t *read_codec = switch_core_session_get_read_codec(session);
uint8_t pass = 0;
ringback_t ringback = { 0 };
switch_frame_t *read_frame = NULL;
switch_status_t status = SWITCH_STATUS_SUCCESS;
int timelimit = 60;
const char *var;
switch_time_t start = 0;
const char *cancel_key = NULL;
switch_channel_state_t wait_state = 0;
switch_assert(peer_channel);
if (switch_channel_get_state(peer_channel) == CS_RESET) {
switch_channel_set_state(peer_channel, CS_SOFT_EXECUTE);
}
if (session) {
caller_channel = switch_core_session_get_channel(session);
}
if ((switch_channel_test_flag(peer_channel, CF_ANSWERED) || switch_channel_test_flag(peer_channel, CF_EARLY_MEDIA))) {
goto end;
}
switch_zmalloc(write_frame.data, SWITCH_RECOMMENDED_BUFFER_SIZE);
write_frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE;
if (caller_channel && (var = switch_channel_get_variable(caller_channel, SWITCH_CALL_TIMEOUT_VARIABLE))) {
timelimit = atoi(var);
if (timelimit < 0) {
timelimit = 60;
}
}
timelimit *= 1000000;
start = switch_micro_time_now();
if (caller_channel) {
cancel_key = switch_channel_get_variable(caller_channel, "origination_cancel_key");
if (switch_channel_test_flag(caller_channel, CF_ANSWERED)) {
ringback_data = switch_channel_get_variable(caller_channel, "transfer_ringback");
}
if (!ringback_data) {
ringback_data = switch_channel_get_variable(caller_channel, "ringback");
}
if (switch_channel_test_flag(caller_channel, CF_PROXY_MODE) || switch_channel_test_flag(caller_channel, CF_PROXY_MEDIA)) {
ringback_data = NULL;
} else if (zstr(ringback_data)) {
if ((var = switch_channel_get_variable(caller_channel, SWITCH_SEND_SILENCE_WHEN_IDLE_VARIABLE))) {
int sval = atoi(var);
if (sval) {
ringback_data = switch_core_session_sprintf(session, "silence:%d", sval);
}
}
}
}
if (read_codec && ringback_data) {
if (switch_is_file_path(ringback_data)) {
if (!(strrchr(ringback_data, '.') || strstr(ringback_data, SWITCH_URL_SEPARATOR))) {
ringback.asis++;
}
}
if (!ringback.asis) {
if ((pass = (uint8_t) switch_test_flag(read_codec, SWITCH_CODEC_FLAG_PASSTHROUGH))) {
goto no_ringback;
}
if (switch_core_codec_init(&write_codec,
"L16",
NULL,
read_codec->implementation->actual_samples_per_second,
read_codec->implementation->microseconds_per_packet / 1000,
1, SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE, NULL,
switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec Error!\n");
if (caller_channel) {
switch_channel_hangup(caller_channel, SWITCH_CAUSE_NORMAL_TEMPORARY_FAILURE);
}
read_codec = NULL;
goto done;
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG,
"Raw Codec Activation Success L16@%uhz 1 channel %dms\n",
read_codec->implementation->actual_samples_per_second, read_codec->implementation->microseconds_per_packet / 1000);
write_frame.codec = &write_codec;
write_frame.datalen = read_codec->implementation->decoded_bytes_per_packet;
write_frame.samples = write_frame.datalen / 2;
memset(write_frame.data, 255, write_frame.datalen);
switch_core_session_set_read_codec(session, &write_codec);
}
}
if (switch_channel_test_flag(caller_channel, CF_DISABLE_RINGBACK)) {
ringback_data = NULL;
}
if (ringback_data) {
char *tmp_data = NULL;
if (switch_is_file_path(ringback_data)) {
char *ext;
if (ringback.asis) {
write_frame.codec = read_codec;
ext = read_codec->implementation->iananame;
tmp_data = switch_mprintf("%s.%s", ringback_data, ext);
ringback_data = tmp_data;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Play Ringback File [%s]\n", ringback_data);
ringback.fhb.channels = read_codec->implementation->number_of_channels;
ringback.fhb.samplerate = read_codec->implementation->actual_samples_per_second;
if (switch_core_file_open(&ringback.fhb,
ringback_data,
read_codec->implementation->number_of_channels,
read_codec->implementation->actual_samples_per_second,
SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Error Playing File\n");
switch_safe_free(tmp_data);
goto done;
}
ringback.fh = &ringback.fhb;
} else {
if (!strncasecmp(ringback_data, "silence", 7)) {
const char *p = ringback_data + 7;
if (*p == ':') {
p++;
if (p) {
ringback.silence = atoi(p);
}
}
SWITCH_IVR_VERIFY_SILENCE_DIVISOR(ringback.silence);
} else {
switch_buffer_create_dynamic(&ringback.audio_buffer, 512, 1024, 0);
switch_buffer_set_loops(ringback.audio_buffer, -1);
teletone_init_session(&ringback.ts, 0, teletone_handler, &ringback);
ringback.ts.rate = read_codec->implementation->actual_samples_per_second;
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Play Ringback Tone [%s]\n", ringback_data);
if (teletone_run(&ringback.ts, ringback_data)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Error Playing Tone\n");
teletone_destroy_session(&ringback.ts);
switch_buffer_destroy(&ringback.audio_buffer);
ringback_data = NULL;
}
}
}
switch_safe_free(tmp_data);
}
}