freeswitch/libs/openzap/mod_openzap/mod_openzap.c
2011-02-02 16:05:51 -06:00

3387 lines
105 KiB
C

/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005-2011, 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>
* Moises Silva <moy@sangoma.com>
*
*
* mod_openzap.c -- OPENZAP Endpoint Module
*
*/
#include <switch.h>
#include "openzap.h"
#ifndef __FUNCTION__
#define __FUNCTION__ __SWITCH_FUNC__
#endif
#define OPENZAP_VAR_PREFIX "openzap_"
#define OPENZAP_VAR_PREFIX_LEN 8
SWITCH_MODULE_LOAD_FUNCTION(mod_openzap_load);
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_openzap_shutdown);
SWITCH_MODULE_DEFINITION(mod_openzap, mod_openzap_load, mod_openzap_shutdown, NULL);
switch_endpoint_interface_t *openzap_endpoint_interface;
static switch_memory_pool_t *module_pool = NULL;
typedef enum {
ANALOG_OPTION_NONE = 0,
ANALOG_OPTION_3WAY = (1 << 0),
ANALOG_OPTION_CALL_SWAP = (1 << 1)
} analog_option_t;
struct span_config {
zap_span_t *span;
char dialplan[80];
char context[80];
char dial_regex[256];
char fail_dial_regex[256];
char hold_music[256];
char type[256];
analog_option_t analog_options;
};
static struct span_config SPAN_CONFIG[ZAP_MAX_SPANS_INTERFACE] = {{0}};
typedef enum {
TFLAG_IO = (1 << 0),
TFLAG_DTMF = (1 << 1),
TFLAG_CODEC = (1 << 2),
TFLAG_BREAK = (1 << 3),
TFLAG_HOLD = (1 << 4),
TFLAG_DEAD = (1 << 5)
} TFLAGS;
static struct {
int debug;
char *dialplan;
char *codec_string;
char *codec_order[SWITCH_MAX_CODECS];
int codec_order_last;
char *codec_rates_string;
char *codec_rates[SWITCH_MAX_CODECS];
int codec_rates_last;
unsigned int flags;
int fd;
int calls;
char hold_music[256];
switch_mutex_t *mutex;
analog_option_t analog_options;
} globals;
struct private_object {
unsigned int flags;
switch_codec_t read_codec;
switch_codec_t write_codec;
switch_frame_t read_frame;
unsigned char databuf[SWITCH_RECOMMENDED_BUFFER_SIZE];
switch_frame_t cng_frame;
unsigned char cng_databuf[SWITCH_RECOMMENDED_BUFFER_SIZE];
switch_core_session_t *session;
switch_caller_profile_t *caller_profile;
unsigned int codec;
unsigned int codecs;
unsigned short samprate;
switch_mutex_t *mutex;
switch_mutex_t *flag_mutex;
zap_channel_t *zchan;
uint32_t wr_error;
};
typedef struct private_object private_t;
static switch_status_t channel_on_init(switch_core_session_t *session);
static switch_status_t channel_on_hangup(switch_core_session_t *session);
static switch_status_t channel_on_destroy(switch_core_session_t *session);
static switch_status_t channel_on_routing(switch_core_session_t *session);
static switch_status_t channel_on_exchange_media(switch_core_session_t *session);
static switch_status_t channel_on_soft_execute(switch_core_session_t *session);
static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session, switch_event_t *var_event,
switch_caller_profile_t *outbound_profile,
switch_core_session_t **new_session,
switch_memory_pool_t **pool,
switch_originate_flag_t flags, switch_call_cause_t *cancel_cause);
static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
static switch_status_t channel_kill_channel(switch_core_session_t *session, int sig);
zap_status_t zap_channel_from_event(zap_sigmsg_t *sigmsg, switch_core_session_t **sp);
void dump_chan(zap_span_t *span, uint32_t chan_id, switch_stream_handle_t *stream);
void dump_chan_xml(zap_span_t *span, uint32_t chan_id, switch_stream_handle_t *stream);
static void zap_set_npi(const char *npi_string, uint8_t *target)
{
if (switch_is_number(npi_string)) {
*target = (uint8_t)atoi(npi_string);
} else if (!strcasecmp(npi_string, "isdn") || !strcasecmp(npi_string, "e164")) {
*target = ZAP_NPI_ISDN;
} else if (!strcasecmp(npi_string, "data")) {
*target = ZAP_NPI_DATA;
} else if (!strcasecmp(npi_string, "telex")) {
*target = ZAP_NPI_TELEX;
} else if (!strcasecmp(npi_string, "national")) {
*target = ZAP_NPI_NATIONAL;
} else if (!strcasecmp(npi_string, "private")) {
*target = ZAP_NPI_PRIVATE;
} else if (!strcasecmp(npi_string, "reserved")) {
*target = ZAP_NPI_RESERVED;
} else if (!strcasecmp(npi_string, "unknown")) {
*target = ZAP_NPI_UNKNOWN;
} else {
zap_log(ZAP_LOG_WARNING, "Invalid NPI value (%s)\n", npi_string);
*target = ZAP_NPI_UNKNOWN;
}
}
static void zap_set_ton(const char *ton_string, uint8_t *target)
{
if (switch_is_number(ton_string)) {
*target = (uint8_t)atoi(ton_string);
} else if (!strcasecmp(ton_string, "national")) {
*target = ZAP_TON_NATIONAL;
} else if (!strcasecmp(ton_string, "international")) {
*target = ZAP_TON_INTERNATIONAL;
} else if (!strcasecmp(ton_string, "local")) {
*target = ZAP_TON_SUBSCRIBER_NUMBER;
} else if (!strcasecmp(ton_string, "unknown")) {
*target = ZAP_TON_UNKNOWN;
} else {
zap_log(ZAP_LOG_WARNING, "Invalid TON value (%s)\n", ton_string);
*target = ZAP_TON_UNKNOWN;
}
}
static switch_core_session_t *zap_channel_get_session(zap_channel_t *channel, int32_t id)
{
switch_core_session_t *session = NULL;
if (id > ZAP_MAX_TOKENS) {
return NULL;
}
if (!zstr(channel->tokens[id])) {
if (!(session = switch_core_session_locate(channel->tokens[id]))) {
zap_channel_clear_token(channel, channel->tokens[id]);
}
}
return session;
}
static const char *zap_channel_get_uuid(zap_channel_t *channel, int32_t id)
{
if (id > ZAP_MAX_TOKENS) {
return NULL;
}
if (!zstr(channel->tokens[id])) {
return channel->tokens[id];
}
return NULL;
}
static void stop_hold(switch_core_session_t *session_a, const char *uuid)
{
switch_core_session_t *session;
switch_channel_t *channel, *channel_a;
;
if (!uuid) {
return;
}
if ((session = switch_core_session_locate(uuid))) {
channel = switch_core_session_get_channel(session);
if (switch_channel_test_flag(channel, CF_HOLD)) {
channel_a = switch_core_session_get_channel(session_a);
switch_ivr_unhold(session);
switch_channel_clear_flag(channel_a, CF_SUSPEND);
switch_channel_clear_flag(channel_a, CF_HOLD);
} else {
switch_channel_stop_broadcast(channel);
switch_channel_wait_for_flag(channel, CF_BROADCAST, SWITCH_FALSE, 2000, NULL);
}
switch_core_session_rwunlock(session);
}
}
static void start_hold(zap_channel_t *zchan, switch_core_session_t *session_a, const char *uuid, const char *stream)
{
switch_core_session_t *session;
switch_channel_t *channel, *channel_a;
if (!uuid) {
return;
}
if ((session = switch_core_session_locate(uuid))) {
channel = switch_core_session_get_channel(session);
if (zstr(stream)) {
if (!strcasecmp(globals.hold_music, "indicate_hold")) {
stream = "indicate_hold";
}
if (!strcasecmp(SPAN_CONFIG[zchan->span->span_id].hold_music, "indicate_hold")) {
stream = "indicate_hold";
}
}
if (zstr(stream)) {
stream = switch_channel_get_variable(channel, SWITCH_HOLD_MUSIC_VARIABLE);
}
if (zstr(stream)) {
stream = SPAN_CONFIG[zchan->span->span_id].hold_music;
}
if (zstr(stream)) {
stream = globals.hold_music;
}
if (zstr(stream) && !(stream = switch_channel_get_variable(channel, SWITCH_HOLD_MUSIC_VARIABLE))) {
stream = globals.hold_music;
}
if (!zstr(stream)) {
if (!strcasecmp(stream, "indicate_hold")) {
channel_a = switch_core_session_get_channel(session_a);
switch_ivr_hold_uuid(uuid, NULL, 0);
switch_channel_set_flag(channel_a, CF_SUSPEND);
switch_channel_set_flag(channel_a, CF_HOLD);
} else {
switch_ivr_broadcast(switch_core_session_get_uuid(session), stream, SMF_ECHO_ALEG | SMF_LOOP);
}
}
switch_core_session_rwunlock(session);
}
}
static void cycle_foreground(zap_channel_t *zchan, int flash, const char *bcast) {
uint32_t i = 0;
switch_core_session_t *session;
switch_channel_t *channel;
private_t *tech_pvt;
for (i = 0; i < zchan->token_count; i++) {
if ((session = zap_channel_get_session(zchan, i))) {
const char *buuid;
tech_pvt = switch_core_session_get_private(session);
channel = switch_core_session_get_channel(session);
buuid = switch_channel_get_variable(channel, SWITCH_SIGNAL_BOND_VARIABLE);
if (zchan->token_count == 1 && flash) {
if (switch_test_flag(tech_pvt, TFLAG_HOLD)) {
stop_hold(session, buuid);
switch_clear_flag_locked(tech_pvt, TFLAG_HOLD);
} else {
start_hold(zchan, session, buuid, bcast);
switch_set_flag_locked(tech_pvt, TFLAG_HOLD);
}
} else if (i) {
start_hold(zchan, session, buuid, bcast);
switch_set_flag_locked(tech_pvt, TFLAG_HOLD);
} else {
stop_hold(session, buuid);
switch_clear_flag_locked(tech_pvt, TFLAG_HOLD);
if (!switch_channel_test_flag(channel, CF_ANSWERED)) {
switch_channel_mark_answered(channel);
}
}
switch_core_session_rwunlock(session);
}
}
}
static switch_status_t tech_init(private_t *tech_pvt, switch_core_session_t *session, zap_channel_t *zchan)
{
const char *dname = NULL;
uint32_t interval = 0, srate = 8000;
zap_codec_t codec;
tech_pvt->zchan = zchan;
tech_pvt->read_frame.data = tech_pvt->databuf;
tech_pvt->read_frame.buflen = sizeof(tech_pvt->databuf);
tech_pvt->cng_frame.data = tech_pvt->cng_databuf;
tech_pvt->cng_frame.buflen = sizeof(tech_pvt->cng_databuf);
tech_pvt->cng_frame.flags = SFF_CNG;
tech_pvt->cng_frame.codec = &tech_pvt->read_codec;
memset(tech_pvt->cng_frame.data, 255, tech_pvt->cng_frame.buflen);
switch_mutex_init(&tech_pvt->mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));
switch_mutex_init(&tech_pvt->flag_mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));
switch_core_session_set_private(session, tech_pvt);
tech_pvt->session = session;
if (ZAP_SUCCESS != zap_channel_command(zchan, ZAP_COMMAND_GET_INTERVAL, &interval)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to retrieve channel interval.\n");
return SWITCH_STATUS_GENERR;
}
if (ZAP_SUCCESS != zap_channel_command(zchan, ZAP_COMMAND_GET_CODEC, &codec)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to retrieve channel codec.\n");
return SWITCH_STATUS_GENERR;
}
switch(codec) {
case ZAP_CODEC_ULAW:
{
dname = "PCMU";
}
break;
case ZAP_CODEC_ALAW:
{
dname = "PCMA";
}
break;
case ZAP_CODEC_SLIN:
{
dname = "L16";
}
break;
default:
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid codec value retrieved from channel, codec value: %d\n", codec);
return SWITCH_STATUS_GENERR;
}
}
if (switch_core_codec_init(&tech_pvt->read_codec,
dname,
NULL,
srate,
interval,
1,
SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
NULL, switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't load codec?\n");
return SWITCH_STATUS_GENERR;
} else {
if (switch_core_codec_init(&tech_pvt->write_codec,
dname,
NULL,
srate,
interval,
1,
SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
NULL, switch_core_session_get_pool(tech_pvt->session)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't load codec?\n");
switch_core_codec_destroy(&tech_pvt->read_codec);
return SWITCH_STATUS_GENERR;
}
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Set codec %s %dms\n", dname, interval);
switch_core_session_set_read_codec(tech_pvt->session, &tech_pvt->read_codec);
switch_core_session_set_write_codec(tech_pvt->session, &tech_pvt->write_codec);
switch_set_flag_locked(tech_pvt, TFLAG_CODEC);
tech_pvt->read_frame.codec = &tech_pvt->read_codec;
switch_set_flag_locked(tech_pvt, TFLAG_IO);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_on_init(switch_core_session_t *session)
{
switch_channel_t *channel;
private_t *tech_pvt = NULL;
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
switch_channel_hangup(channel, SWITCH_CAUSE_LOSE_RACE);
return SWITCH_STATUS_SUCCESS;
}
/* Move channel's state machine to ROUTING */
switch_channel_set_state(channel, CS_ROUTING);
switch_mutex_lock(globals.mutex);
globals.calls++;
switch_mutex_unlock(globals.mutex);
zap_channel_init(tech_pvt->zchan);
//switch_channel_set_flag(channel, CF_ACCEPT_CNG);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_on_routing(switch_core_session_t *session)
{
switch_channel_t *channel = NULL;
private_t *tech_pvt = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s CHANNEL ROUTING\n", switch_channel_get_name(channel));
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_on_execute(switch_core_session_t *session)
{
switch_channel_t *channel = NULL;
private_t *tech_pvt = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s CHANNEL EXECUTE\n", switch_channel_get_name(channel));
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_on_destroy(switch_core_session_t *session)
{
private_t *tech_pvt = NULL;
if ((tech_pvt = switch_core_session_get_private(session))) {
if (tech_pvt->read_codec.implementation) {
switch_core_codec_destroy(&tech_pvt->read_codec);
}
if (tech_pvt->write_codec.implementation) {
switch_core_codec_destroy(&tech_pvt->write_codec);
}
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_on_hangup(switch_core_session_t *session)
{
switch_channel_t *channel = NULL;
private_t *tech_pvt = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (!tech_pvt->zchan) {
goto end;
}
zap_channel_clear_token(tech_pvt->zchan, switch_core_session_get_uuid(session));
switch (tech_pvt->zchan->type) {
case ZAP_CHAN_TYPE_FXO:
case ZAP_CHAN_TYPE_EM:
case ZAP_CHAN_TYPE_CAS:
{
zap_set_state_locked(tech_pvt->zchan, ZAP_CHANNEL_STATE_HANGUP);
}
break;
case ZAP_CHAN_TYPE_FXS:
{
if (tech_pvt->zchan->state != ZAP_CHANNEL_STATE_BUSY && tech_pvt->zchan->state != ZAP_CHANNEL_STATE_DOWN) {
if (tech_pvt->zchan->token_count) {
cycle_foreground(tech_pvt->zchan, 0, NULL);
} else {
zap_set_state_locked(tech_pvt->zchan, ZAP_CHANNEL_STATE_HANGUP);
}
}
}
break;
case ZAP_CHAN_TYPE_B:
{
if (tech_pvt->zchan->state != ZAP_CHANNEL_STATE_DOWN) {
if (tech_pvt->zchan->state != ZAP_CHANNEL_STATE_TERMINATING) {
tech_pvt->zchan->caller_data.hangup_cause = switch_channel_get_cause_q850(channel);
if (tech_pvt->zchan->caller_data.hangup_cause < 1 || tech_pvt->zchan->caller_data.hangup_cause > 127) {
tech_pvt->zchan->caller_data.hangup_cause = ZAP_CAUSE_DESTINATION_OUT_OF_ORDER;
}
}
zap_set_state_locked(tech_pvt->zchan, ZAP_CHANNEL_STATE_HANGUP);
}
}
break;
default:
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Unhandled channel type %d for channel %s\n", tech_pvt->zchan->type,
switch_channel_get_name(channel));
}
break;
}
end:
switch_clear_flag_locked(tech_pvt, TFLAG_IO);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s CHANNEL HANGUP\n", switch_channel_get_name(channel));
switch_mutex_lock(globals.mutex);
globals.calls--;
if (globals.calls < 0) {
globals.calls = 0;
}
switch_mutex_unlock(globals.mutex);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_kill_channel(switch_core_session_t *session, int sig)
{
switch_channel_t *channel = NULL;
private_t *tech_pvt = NULL;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
switch (sig) {
case SWITCH_SIG_KILL:
switch_clear_flag_locked(tech_pvt, TFLAG_IO);
switch_set_flag_locked(tech_pvt, TFLAG_DEAD);
break;
case SWITCH_SIG_BREAK:
switch_set_flag_locked(tech_pvt, TFLAG_BREAK);
break;
default:
break;
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_on_exchange_media(switch_core_session_t *session)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "CHANNEL EXCHANGE_MEDIA\n");
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_on_soft_execute(switch_core_session_t *session)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "CHANNEL SOFT_EXECUTE\n");
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_send_dtmf(switch_core_session_t *session, const switch_dtmf_t *dtmf)
{
private_t *tech_pvt = NULL;
char tmp[2] = "";
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
switch_channel_hangup(switch_core_session_get_channel(session), SWITCH_CAUSE_LOSE_RACE);
return SWITCH_STATUS_FALSE;
}
tmp[0] = dtmf->digit;
zap_channel_command(tech_pvt->zchan, ZAP_COMMAND_SEND_DTMF, tmp);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
{
switch_channel_t *channel = NULL;
private_t *tech_pvt = NULL;
zap_size_t len;
zap_wait_flag_t wflags = ZAP_READ;
char dtmf[128] = "";
zap_status_t status;
int total_to;
int chunk, do_break = 0;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
return SWITCH_STATUS_FALSE;
}
/* Digium Cards sometimes timeout several times in a row here.
Yes, we support digium cards, ain't we nice.......
6 double length intervals should compensate */
chunk = tech_pvt->zchan->effective_interval * 2;
total_to = chunk * 6;
top:
if (switch_channel_test_flag(channel, CF_SUSPEND)) {
do_break = 1;
}
if (switch_test_flag(tech_pvt, TFLAG_BREAK)) {
switch_clear_flag_locked(tech_pvt, TFLAG_BREAK);
do_break = 1;
}
if (switch_test_flag(tech_pvt, TFLAG_HOLD) || do_break) {
switch_yield(tech_pvt->zchan->effective_interval * 1000);
tech_pvt->cng_frame.datalen = tech_pvt->zchan->packet_len;
tech_pvt->cng_frame.samples = tech_pvt->cng_frame.datalen;
tech_pvt->cng_frame.flags = SFF_CNG;
*frame = &tech_pvt->cng_frame;
if (tech_pvt->zchan->effective_codec == ZAP_CODEC_SLIN) {
tech_pvt->cng_frame.samples /= 2;
}
return SWITCH_STATUS_SUCCESS;
}
if (!switch_test_flag(tech_pvt, TFLAG_IO)) {
goto fail;
}
wflags = ZAP_READ;
status = zap_channel_wait(tech_pvt->zchan, &wflags, chunk);
if (status == ZAP_FAIL) {
goto fail;
}
if (status == ZAP_TIMEOUT) {
if (!switch_test_flag(tech_pvt, TFLAG_HOLD)) {
total_to -= chunk;
if (total_to <= 0) {
goto fail;
}
}
goto top;
}
if (!(wflags & ZAP_READ)) {
goto fail;
}
len = tech_pvt->read_frame.buflen;
if (zap_channel_read(tech_pvt->zchan, tech_pvt->read_frame.data, &len) != ZAP_SUCCESS) {
goto fail;
}
*frame = &tech_pvt->read_frame;
tech_pvt->read_frame.datalen = (uint32_t)len;
tech_pvt->read_frame.samples = tech_pvt->read_frame.datalen;
if (tech_pvt->zchan->effective_codec == ZAP_CODEC_SLIN) {
tech_pvt->read_frame.samples /= 2;
}
while (zap_channel_dequeue_dtmf(tech_pvt->zchan, dtmf, sizeof(dtmf))) {
switch_dtmf_t _dtmf = { 0, SWITCH_DEFAULT_DTMF_DURATION };
char *p;
for (p = dtmf; p && *p; p++) {
if (is_dtmf(*p)) {
_dtmf.digit = *p;
zap_log(ZAP_LOG_DEBUG, "queue DTMF [%c]\n", *p);
switch_channel_queue_dtmf(channel, &_dtmf);
}
}
}
return SWITCH_STATUS_SUCCESS;
fail:
switch_clear_flag_locked(tech_pvt, TFLAG_IO);
return SWITCH_STATUS_GENERR;
}
static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
{
switch_channel_t *channel = NULL;
private_t *tech_pvt = NULL;
zap_size_t len;
unsigned char data[SWITCH_RECOMMENDED_BUFFER_SIZE] = {0};
zap_wait_flag_t wflags = ZAP_WRITE;
zap_status_t status;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (!tech_pvt->zchan) {
return SWITCH_STATUS_FALSE;
}
if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
return SWITCH_STATUS_FALSE;
}
if (switch_test_flag(tech_pvt, TFLAG_HOLD)) {
return SWITCH_STATUS_SUCCESS;
}
if (!switch_test_flag(tech_pvt, TFLAG_IO)) {
goto fail;
}
if (switch_test_flag(frame, SFF_CNG)) {
frame->data = data;
frame->buflen = sizeof(data);
if ((frame->datalen = tech_pvt->write_codec.implementation->encoded_bytes_per_packet) > frame->buflen) {
goto fail;
}
memset(data, 255, frame->datalen);
}
wflags = ZAP_WRITE;
status = zap_channel_wait(tech_pvt->zchan, &wflags, tech_pvt->zchan->effective_interval * 10);
if (!(wflags & ZAP_WRITE)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Dropping frame! (write not ready)\n");
return SWITCH_STATUS_SUCCESS;
}
len = frame->datalen;
if (zap_channel_write(tech_pvt->zchan, frame->data, frame->buflen, &len) != ZAP_SUCCESS) {
if (++tech_pvt->wr_error > 10) {
goto fail;
}
} else {
tech_pvt->wr_error = 0;
}
return SWITCH_STATUS_SUCCESS;
fail:
switch_clear_flag_locked(tech_pvt, TFLAG_IO);
return SWITCH_STATUS_GENERR;
}
static switch_status_t channel_receive_message_cas(switch_core_session_t *session, switch_core_session_message_t *msg)
{
switch_channel_t *channel;
private_t *tech_pvt;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
switch_channel_hangup(channel, SWITCH_CAUSE_LOSE_RACE);
return SWITCH_STATUS_FALSE;
}
zap_log(ZAP_LOG_DEBUG, "Got Freeswitch message in R2 channel %d [%d]\n", tech_pvt->zchan->physical_chan_id,
msg->message_id);
switch (msg->message_id) {
case SWITCH_MESSAGE_INDICATE_RINGING:
{
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
zap_set_flag_locked(tech_pvt->zchan, ZAP_CHANNEL_PROGRESS);
} else {
zap_set_state_locked_wait(tech_pvt->zchan, ZAP_CHANNEL_STATE_PROGRESS);
}
}
break;
case SWITCH_MESSAGE_INDICATE_PROGRESS:
{
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
zap_set_flag_locked(tech_pvt->zchan, ZAP_CHANNEL_PROGRESS);
zap_set_flag_locked(tech_pvt->zchan, ZAP_CHANNEL_MEDIA);
} else {
zap_set_state_locked_wait(tech_pvt->zchan, ZAP_CHANNEL_STATE_PROGRESS);
zap_set_state_locked_wait(tech_pvt->zchan, ZAP_CHANNEL_STATE_PROGRESS_MEDIA);
}
}
break;
case SWITCH_MESSAGE_INDICATE_ANSWER:
{
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
zap_set_flag_locked(tech_pvt->zchan, ZAP_CHANNEL_ANSWERED);
} else {
/* lets make the ozmod_r2 module life easier by moving thru each
* state waiting for completion, clumsy, but does the job
*/
if (tech_pvt->zchan->state < ZAP_CHANNEL_STATE_PROGRESS) {
zap_set_state_locked_wait(tech_pvt->zchan, ZAP_CHANNEL_STATE_PROGRESS);
}
if (tech_pvt->zchan->state < ZAP_CHANNEL_STATE_PROGRESS_MEDIA) {
zap_set_state_locked_wait(tech_pvt->zchan, ZAP_CHANNEL_STATE_PROGRESS_MEDIA);
}
zap_set_state_locked_wait(tech_pvt->zchan, ZAP_CHANNEL_STATE_UP);
}
}
break;
default:
break;
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_receive_message_b(switch_core_session_t *session, switch_core_session_message_t *msg)
{
switch_channel_t *channel;
private_t *tech_pvt;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
switch_channel_hangup(channel, SWITCH_CAUSE_LOSE_RACE);
return SWITCH_STATUS_FALSE;
}
if (tech_pvt->zchan->state == ZAP_CHANNEL_STATE_TERMINATING) {
zap_mutex_unlock(tech_pvt->zchan->mutex);
return SWITCH_STATUS_SUCCESS;
}
switch (msg->message_id) {
case SWITCH_MESSAGE_INDICATE_RINGING:
{
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
zap_set_flag(tech_pvt->zchan, ZAP_CHANNEL_PROGRESS);
} else {
zap_set_state_wait(tech_pvt->zchan, ZAP_CHANNEL_STATE_PROGRESS);
}
}
break;
case SWITCH_MESSAGE_INDICATE_PROGRESS:
{
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
zap_set_flag(tech_pvt->zchan, ZAP_CHANNEL_PROGRESS);
zap_set_flag(tech_pvt->zchan, ZAP_CHANNEL_MEDIA);
} else {
/* Don't skip messages in the ISDN call setup
* TODO: make the isdn stack smart enough to handle that itself
* until then, this is here for safety...
*/
if (tech_pvt->zchan->state < ZAP_CHANNEL_STATE_PROGRESS) {
zap_set_state_wait(tech_pvt->zchan, ZAP_CHANNEL_STATE_PROGRESS);
}
zap_set_state_wait(tech_pvt->zchan, ZAP_CHANNEL_STATE_PROGRESS_MEDIA);
}
}
break;
case SWITCH_MESSAGE_INDICATE_ANSWER:
{
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
zap_set_flag(tech_pvt->zchan, ZAP_CHANNEL_ANSWERED);
} else {
/* Don't skip messages in the ISDN call setup
* TODO: make the isdn stack smart enough to handle that itself
* until then, this is here for safety...
*/
if (tech_pvt->zchan->state < ZAP_CHANNEL_STATE_PROGRESS) {
zap_set_state_wait(tech_pvt->zchan, ZAP_CHANNEL_STATE_PROGRESS);
}
if (tech_pvt->zchan->state < ZAP_CHANNEL_STATE_PROGRESS_MEDIA) {
zap_set_state_wait(tech_pvt->zchan, ZAP_CHANNEL_STATE_PROGRESS_MEDIA);
}
zap_set_state_wait(tech_pvt->zchan, ZAP_CHANNEL_STATE_UP);
}
}
break;
default:
break;
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_receive_message_fxo(switch_core_session_t *session, switch_core_session_message_t *msg)
{
switch_channel_t *channel;
private_t *tech_pvt;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
switch_channel_hangup(channel, SWITCH_CAUSE_LOSE_RACE);
return SWITCH_STATUS_FALSE;
}
switch (msg->message_id) {
case SWITCH_MESSAGE_INDICATE_PROGRESS:
case SWITCH_MESSAGE_INDICATE_ANSWER:
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_OUTBOUND) {
zap_set_flag_locked(tech_pvt->zchan, ZAP_CHANNEL_ANSWERED);
zap_set_flag_locked(tech_pvt->zchan, ZAP_CHANNEL_PROGRESS);
zap_set_flag_locked(tech_pvt->zchan, ZAP_CHANNEL_MEDIA);
} else {
zap_set_state_locked(tech_pvt->zchan, ZAP_CHANNEL_STATE_UP);
}
break;
default:
break;
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_receive_message_fxs(switch_core_session_t *session, switch_core_session_message_t *msg)
{
switch_channel_t *channel;
private_t *tech_pvt;
channel = switch_core_session_get_channel(session);
assert(channel != NULL);
tech_pvt = (private_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
switch_channel_hangup(channel, SWITCH_CAUSE_LOSE_RACE);
return SWITCH_STATUS_FALSE;
}
switch (msg->message_id) {
case SWITCH_MESSAGE_INDICATE_PROGRESS:
case SWITCH_MESSAGE_INDICATE_ANSWER:
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_INBOUND) {
zap_set_flag_locked(tech_pvt->zchan, ZAP_CHANNEL_ANSWERED);
zap_set_flag_locked(tech_pvt->zchan, ZAP_CHANNEL_PROGRESS);
zap_set_flag_locked(tech_pvt->zchan, ZAP_CHANNEL_MEDIA);
zap_set_state_locked(tech_pvt->zchan, ZAP_CHANNEL_STATE_UP);
switch_channel_mark_answered(channel);
}
break;
case SWITCH_MESSAGE_INDICATE_RINGING:
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_INBOUND) {
if (!switch_channel_test_flag(channel, CF_ANSWERED) &&
!switch_channel_test_flag(channel, CF_EARLY_MEDIA) &&
!switch_channel_test_flag(channel, CF_RING_READY)
) {
zap_set_state_locked(tech_pvt->zchan, ZAP_CHANNEL_STATE_RING);
switch_channel_mark_ring_ready(channel);
}
}
break;
default:
break;
}
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t channel_receive_message(switch_core_session_t *session, switch_core_session_message_t *msg)
{
private_t *tech_pvt;
switch_status_t status;
switch_channel_t *channel;
const char *var;
zap_channel_t *zchan = NULL;
tech_pvt = (private_t *) switch_core_session_get_private(session);
assert(tech_pvt != NULL);
channel = switch_core_session_get_channel(session);
if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
switch_channel_hangup(channel, SWITCH_CAUSE_LOSE_RACE);
return SWITCH_STATUS_FALSE;
}
if (!(zchan = tech_pvt->zchan)) {
switch_channel_hangup(channel, SWITCH_CAUSE_LOSE_RACE);
return SWITCH_STATUS_FALSE;
}
zap_mutex_lock(zchan->mutex);
if (!tech_pvt->zchan) {
switch_channel_hangup(channel, SWITCH_CAUSE_LOSE_RACE);
status = SWITCH_STATUS_FALSE;
goto end;
}
switch (msg->message_id) {
case SWITCH_MESSAGE_INDICATE_PROGRESS:
case SWITCH_MESSAGE_INDICATE_ANSWER:
if (switch_channel_direction(channel) == SWITCH_CALL_DIRECTION_INBOUND) {
if ((var = switch_channel_get_variable(channel, "openzap_pre_buffer_size"))) {
int tmp = atoi(var);
if (tmp > -1) {
zap_channel_command(tech_pvt->zchan, ZAP_COMMAND_SET_PRE_BUFFER_SIZE, &tmp);
}
}
}
break;
case SWITCH_MESSAGE_INDICATE_UUID_CHANGE:
{
zap_channel_replace_token(tech_pvt->zchan, msg->string_array_arg[0], msg->string_array_arg[1]);
}
break;
default:
break;
}
switch (tech_pvt->zchan->type) {
case ZAP_CHAN_TYPE_FXS:
case ZAP_CHAN_TYPE_EM:
status = channel_receive_message_fxs(session, msg);
break;
case ZAP_CHAN_TYPE_FXO:
status = channel_receive_message_fxo(session, msg);
break;
case ZAP_CHAN_TYPE_B:
status = channel_receive_message_b(session, msg);
break;
case ZAP_CHAN_TYPE_CAS:
status = channel_receive_message_cas(session, msg);
break;
default:
status = SWITCH_STATUS_FALSE;
break;
}
end:
zap_mutex_unlock(zchan->mutex);
return status;
}
switch_state_handler_table_t openzap_state_handlers = {
/*.on_init */ channel_on_init,
/*.on_routing */ channel_on_routing,
/*.on_execute */ channel_on_execute,
/*.on_hangup */ channel_on_hangup,
/*.on_exchange_media */ channel_on_exchange_media,
/*.on_soft_execute */ channel_on_soft_execute,
/*.on_consume_media */ NULL,
/*.on_hibernate */ NULL,
/*.on_reset */ NULL,
/*.on_park*/ NULL,
/*.on_reporting*/ NULL,
/*.on_destroy*/ channel_on_destroy
};
switch_io_routines_t openzap_io_routines = {
/*.outgoing_channel */ channel_outgoing_channel,
/*.read_frame */ channel_read_frame,
/*.write_frame */ channel_write_frame,
/*.kill_channel */ channel_kill_channel,
/*.send_dtmf */ channel_send_dtmf,
/*.receive_message*/ channel_receive_message
};
/* Make sure when you have 2 sessions in the same scope that you pass the appropriate one to the routines
that allocate memory or you will have 1 channel with memory allocated from another channel's pool!
*/
static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session, switch_event_t *var_event,
switch_caller_profile_t *outbound_profile,
switch_core_session_t **new_session, switch_memory_pool_t **pool,
switch_originate_flag_t flags, switch_call_cause_t *cancel_cause)
{
const char *dest = NULL;
char *data = NULL;
int span_id = -1, chan_id = 0;
zap_channel_t *zchan = NULL;
switch_call_cause_t cause = SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
char name[128];
zap_status_t status;
int direction = ZAP_TOP_DOWN;
zap_caller_data_t caller_data = {{ 0 }};
char *span_name = NULL;
switch_event_header_t *h;
char *argv[3];
int argc = 0;
const char *var;
const char *dest_num = NULL, *callerid_num = NULL;
if (!outbound_profile) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Missing caller profile\n");
return SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
}
if (zstr(outbound_profile->destination_number)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid dial string\n");
return SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
}
data = switch_core_strdup(outbound_profile->pool, outbound_profile->destination_number);
if (!zstr(outbound_profile->destination_number)) {
dest_num = switch_sanitize_number(switch_core_strdup(outbound_profile->pool, outbound_profile->destination_number));
}
if (!zstr(outbound_profile->caller_id_number)) {
callerid_num = switch_sanitize_number(switch_core_strdup(outbound_profile->pool, outbound_profile->caller_id_number));
}
if (!zstr(callerid_num) && !strcmp(callerid_num, "0000000000")) {
callerid_num = NULL;
}
if ((argc = switch_separate_string(data, '/', argv, (sizeof(argv) / sizeof(argv[0])))) < 2) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid dial string\n");
return SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
}
if (switch_is_number(argv[0])) {
span_id = atoi(argv[0]);
} else {
span_name = argv[0];
}
if (*argv[1] == 'A') {
direction = ZAP_BOTTOM_UP;
} else if (*argv[1] == 'a') {
direction = ZAP_TOP_DOWN;
} else {
chan_id = atoi(argv[1]);
}
if (!(dest = argv[2])) {
dest = "";
}
if (span_id == 0 && chan_id != 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Span 0 is used to pick the first available span, selecting a channel is not supported (and doesn't make sense)\n");
return SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
}
if (span_id == -1 && !zstr(span_name)) {
zap_span_t *span;
zap_status_t zstatus = zap_span_find_by_name(span_name, &span);
if (zstatus == ZAP_SUCCESS && span) {
span_id = span->span_id;
}
}
if (span_id == -1) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Missing span\n");
return SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
}
if (chan_id < 0) {
direction = ZAP_BOTTOM_UP;
chan_id = 0;
}
if (switch_test_flag(outbound_profile, SWITCH_CPF_SCREEN)) {
caller_data.screen = 1;
}
if (switch_test_flag(outbound_profile, SWITCH_CPF_HIDE_NUMBER)) {
caller_data.pres = 1;
}
if (!zstr(dest)) {
zap_set_string(caller_data.ani.digits, dest);
}
if ((var = switch_event_get_header(var_event, "openzap_outbound_ton"))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Setting TON to: %s\n", var);
zap_set_ton(var, &caller_data.ani.type);
} else {
caller_data.ani.type = outbound_profile->destination_number_ton;
}
if ((var = switch_event_get_header(var_event, "openzap_custom_call_data"))) {
zap_set_string((char *)caller_data.raw_data, var);
caller_data.raw_data_len = strlen(var);
}
if ((var = switch_event_get_header(var_event, "openzap_outbound_npi"))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Setting NPI to: %s\n", var);
zap_set_npi(var, &caller_data.ani.plan);
} else {
caller_data.ani.plan = outbound_profile->destination_number_numplan;
}
/* blindly copy data from outbound_profile. They will be overwritten
* by calling zap_caller_data if needed after */
caller_data.cid_num.type = outbound_profile->caller_ton;
caller_data.cid_num.plan = outbound_profile->caller_numplan;
caller_data.rdnis.type = outbound_profile->rdnis_ton;
caller_data.rdnis.plan = outbound_profile->rdnis_numplan;
#if 0
if (!zstr(outbound_profile->rdnis)) {
zap_set_string(caller_data.rdnis.digits, outbound_profile->rdnis);
}
#endif
zap_set_string(caller_data.cid_name, outbound_profile->caller_id_name);
zap_set_string(caller_data.cid_num.digits, switch_str_nil(callerid_num));
if (chan_id) {
status = zap_channel_open(span_id, chan_id, &zchan);
} else {
status = zap_channel_open_any(span_id, direction, &caller_data, &zchan);
}
if (status != ZAP_SUCCESS) {
if (caller_data.hangup_cause == SWITCH_CAUSE_NONE) {
caller_data.hangup_cause = SWITCH_CAUSE_NORMAL_CIRCUIT_CONGESTION;
}
return caller_data.hangup_cause;
}
if ((var = switch_event_get_header(var_event, "openzap_pre_buffer_size"))) {
int tmp = atoi(var);
if (tmp > -1) {
zap_channel_command(zchan, ZAP_COMMAND_SET_PRE_BUFFER_SIZE, &tmp);
}
}
zap_channel_clear_vars(zchan);
for (h = var_event->headers; h; h = h->next) {
if (!strncasecmp(h->name, OPENZAP_VAR_PREFIX, OPENZAP_VAR_PREFIX_LEN)) {
char *v = h->name + OPENZAP_VAR_PREFIX_LEN;
if (!zstr(v)) {
zap_channel_add_var(zchan, v, h->value);
}
}
}
if ((*new_session = switch_core_session_request(openzap_endpoint_interface, SWITCH_CALL_DIRECTION_OUTBOUND, flags, pool)) != 0) {
private_t *tech_pvt;
switch_caller_profile_t *caller_profile;
switch_channel_t *channel = switch_core_session_get_channel(*new_session);
switch_core_session_add_stream(*new_session, NULL);
if ((tech_pvt = (private_t *) switch_core_session_alloc(*new_session, sizeof(private_t))) != 0) {
tech_init(tech_pvt, *new_session, zchan);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Hey where is my memory pool?\n");
switch_core_session_destroy(new_session);
cause = SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
goto fail;
}
snprintf(name, sizeof(name), "OpenZAP/%u:%u/%s", zchan->span_id, zchan->chan_id, dest);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Connect outbound channel %s\n", name);
switch_channel_set_name(channel, name);
switch_channel_set_variable(channel, "openzap_span_name", zchan->span->name);
switch_channel_set_variable_printf(channel, "openzap_span_number", "%d", zchan->span_id);
switch_channel_set_variable_printf(channel, "openzap_chan_number", "%d", zchan->chan_id);
zap_channel_set_caller_data(zchan, &caller_data);
caller_profile = switch_caller_profile_clone(*new_session, outbound_profile);
caller_profile->destination_number = switch_core_strdup(caller_profile->pool, switch_str_nil(dest_num));
caller_profile->caller_id_number = switch_core_strdup(caller_profile->pool, switch_str_nil(callerid_num));
switch_channel_set_caller_profile(channel, caller_profile);
tech_pvt->caller_profile = caller_profile;
switch_channel_set_state(channel, CS_INIT);
if (zap_channel_add_token(zchan, switch_core_session_get_uuid(*new_session), zchan->token_count) != ZAP_SUCCESS) {
switch_core_session_destroy(new_session);
cause = SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
goto fail;
}
if (zap_channel_outgoing_call(zchan) != ZAP_SUCCESS) {
if (tech_pvt->read_codec.implementation) {
switch_core_codec_destroy(&tech_pvt->read_codec);
}
if (tech_pvt->write_codec.implementation) {
switch_core_codec_destroy(&tech_pvt->write_codec);
}
switch_core_session_destroy(new_session);
cause = SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
goto fail;
}
zap_channel_init(zchan);
return SWITCH_CAUSE_SUCCESS;
}
fail:
if (zchan) {
zap_channel_done(zchan);
}
return cause;
}
zap_status_t zap_channel_from_event(zap_sigmsg_t *sigmsg, switch_core_session_t **sp)
{
switch_core_session_t *session = NULL;
private_t *tech_pvt = NULL;
switch_channel_t *channel = NULL;
char name[128];
*sp = NULL;
if (!(session = switch_core_session_request(openzap_endpoint_interface, SWITCH_CALL_DIRECTION_INBOUND, SOF_NONE, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Initilization Error!\n");
return ZAP_FAIL;
}
switch_core_session_add_stream(session, NULL);
tech_pvt = (private_t *) switch_core_session_alloc(session, sizeof(private_t));
assert(tech_pvt != NULL);
channel = switch_core_session_get_channel(session);
if (tech_init(tech_pvt, session, sigmsg->channel) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Initilization Error!\n");
switch_core_session_destroy(&session);
return ZAP_FAIL;
}
*sigmsg->channel->caller_data.collected = '\0';
if (zstr(sigmsg->channel->caller_data.cid_name)) {
switch_set_string(sigmsg->channel->caller_data.cid_name, sigmsg->channel->chan_name);
}
if (zstr(sigmsg->channel->caller_data.cid_num.digits)) {
if (!zstr(sigmsg->channel->caller_data.ani.digits)) {
switch_set_string(sigmsg->channel->caller_data.cid_num.digits, sigmsg->channel->caller_data.ani.digits);
} else {
switch_set_string(sigmsg->channel->caller_data.cid_num.digits, sigmsg->channel->chan_number);
}
}
tech_pvt->caller_profile = switch_caller_profile_new(switch_core_session_get_pool(session),
"OpenZAP",
SPAN_CONFIG[sigmsg->channel->span_id].dialplan,
sigmsg->channel->caller_data.cid_name,
sigmsg->channel->caller_data.cid_num.digits,
NULL,
sigmsg->channel->caller_data.ani.digits,
sigmsg->channel->caller_data.aniII,
sigmsg->channel->caller_data.rdnis.digits,
(char *) modname,
SPAN_CONFIG[sigmsg->channel->span_id].context,
sigmsg->channel->caller_data.dnis.digits);
assert(tech_pvt->caller_profile != NULL);
if (sigmsg->channel->caller_data.screen == 1 || sigmsg->channel->caller_data.screen == 3) {
switch_set_flag(tech_pvt->caller_profile, SWITCH_CPF_SCREEN);
}
tech_pvt->caller_profile->caller_ton = sigmsg->channel->caller_data.cid_num.type;
tech_pvt->caller_profile->caller_numplan = sigmsg->channel->caller_data.cid_num.plan;
tech_pvt->caller_profile->ani_ton = sigmsg->channel->caller_data.ani.type;
tech_pvt->caller_profile->ani_numplan = sigmsg->channel->caller_data.ani.plan;
tech_pvt->caller_profile->destination_number_ton = sigmsg->channel->caller_data.dnis.type;
tech_pvt->caller_profile->destination_number_numplan = sigmsg->channel->caller_data.dnis.plan;
tech_pvt->caller_profile->rdnis_ton = sigmsg->channel->caller_data.rdnis.type;
tech_pvt->caller_profile->rdnis_numplan = sigmsg->channel->caller_data.rdnis.plan;
if (sigmsg->channel->caller_data.pres) {
switch_set_flag(tech_pvt->caller_profile, SWITCH_CPF_HIDE_NAME | SWITCH_CPF_HIDE_NUMBER);
}
snprintf(name, sizeof(name), "OpenZAP/%u:%u/%s", sigmsg->channel->span_id, sigmsg->channel->chan_id, tech_pvt->caller_profile->destination_number);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Connect inbound channel %s\n", name);
switch_channel_set_name(channel, name);
switch_channel_set_caller_profile(channel, tech_pvt->caller_profile);
switch_channel_set_variable(channel, "openzap_span_name", sigmsg->channel->span->name);
switch_channel_set_variable_printf(channel, "openzap_span_number", "%d", sigmsg->channel->span_id);
switch_channel_set_variable_printf(channel, "openzap_chan_number", "%d", sigmsg->channel->chan_id);
if (sigmsg->channel->caller_data.raw_data_len) {
switch_channel_set_variable_printf(channel, "openzap_custom_call_data", "%s", sigmsg->channel->caller_data.raw_data);
}
switch_channel_set_state(channel, CS_INIT);
if (switch_core_session_thread_launch(session) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error spawning thread\n");
switch_core_session_destroy(&session);
return ZAP_FAIL;
}
if (zap_channel_add_token(sigmsg->channel, switch_core_session_get_uuid(session), 0) != ZAP_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error adding token\n");
switch_core_session_destroy(&session);
return ZAP_FAIL;
}
*sp = session;
return ZAP_SUCCESS;
}
static ZIO_SIGNAL_CB_FUNCTION(on_common_signal)
{
switch_event_t *event = NULL;
switch (sigmsg->event_id) {
case ZAP_SIGEVENT_ALARM_CLEAR:
case ZAP_SIGEVENT_ALARM_TRAP:
{
if (zap_channel_get_alarms(sigmsg->channel) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "failed to retrieve alarms\n");
return ZAP_FAIL;
}
if (switch_event_create(&event, SWITCH_EVENT_TRAP) != SWITCH_STATUS_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "failed to create alarms events\n");
return ZAP_FAIL;
}
if (sigmsg->event_id == ZAP_SIGEVENT_ALARM_CLEAR) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "condition", "zap-alarm-clear");
} else {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "condition", "zap-alarm-trap");
}
}
break;
default:
return ZAP_SUCCESS;
break;
}
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "span-name", "%s", sigmsg->channel->span->name);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "span-number", "%d", sigmsg->channel->span_id);
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "chan-number", "%d", sigmsg->channel->chan_id);
if (zap_test_alarm_flag(sigmsg->channel, ZAP_ALARM_RECOVER)) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "alarm", "recover");
}
if (zap_test_alarm_flag(sigmsg->channel, ZAP_ALARM_LOOPBACK)) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "alarm", "loopback");
}
if (zap_test_alarm_flag(sigmsg->channel, ZAP_ALARM_YELLOW)) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "alarm", "yellow");
}
if (zap_test_alarm_flag(sigmsg->channel, ZAP_ALARM_RED)) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "alarm", "red");
}
if (zap_test_alarm_flag(sigmsg->channel, ZAP_ALARM_BLUE)) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "alarm", "blue");
}
if (zap_test_alarm_flag(sigmsg->channel, ZAP_ALARM_NOTOPEN)) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "alarm", "notopen");
}
if (zap_test_alarm_flag(sigmsg->channel, ZAP_ALARM_AIS)) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "alarm", "ais");
}
if (zap_test_alarm_flag(sigmsg->channel, ZAP_ALARM_RAI)) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "alarm", "rai");
}
if (zap_test_alarm_flag(sigmsg->channel, ZAP_ALARM_GENERAL)) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "alarm", "general");
}
switch_event_fire(&event);
return ZAP_BREAK;
}
static void zap_enable_channel_dtmf(zap_channel_t *zchan, switch_channel_t *channel)
{
if (channel) {
const char *var;
if ((var = switch_channel_get_variable(channel, "openzap_disable_dtmf"))) {
if (switch_true(var)) {
zap_channel_command(zchan, ZAP_COMMAND_DISABLE_DTMF_DETECT, NULL);
zap_log(ZAP_LOG_INFO, "DTMF detection disabled in channel %d:%d\n", zchan->span_id, zchan->chan_id);
return;
}
}
/* the variable is not present or has negative value then proceed to enable DTMF */
}
if (zap_channel_command(zchan, ZAP_COMMAND_ENABLE_DTMF_DETECT, NULL) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Failed to enable DTMF detection in channel %d:%d\n", zchan->span_id, zchan->chan_id);
}
}
static ZIO_SIGNAL_CB_FUNCTION(on_fxo_signal)
{
switch_core_session_t *session = NULL;
switch_channel_t *channel = NULL;
zap_status_t status;
zap_log(ZAP_LOG_DEBUG, "got FXO sig %d:%d [%s]\n", sigmsg->channel->span_id, sigmsg->channel->chan_id, zap_signal_event2str(sigmsg->event_id));
switch(sigmsg->event_id) {
case ZAP_SIGEVENT_PROGRESS_MEDIA:
{
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
channel = switch_core_session_get_channel(session);
switch_channel_mark_pre_answered(channel);
switch_core_session_rwunlock(session);
}
}
break;
case ZAP_SIGEVENT_STOP:
{
private_t *tech_pvt = NULL;
while((session = zap_channel_get_session(sigmsg->channel, 0))) {
tech_pvt = switch_core_session_get_private(session);
switch_set_flag_locked(tech_pvt, TFLAG_DEAD);
zap_channel_clear_token(sigmsg->channel, 0);
channel = switch_core_session_get_channel(session);
switch_channel_hangup(channel, sigmsg->channel->caller_data.hangup_cause);
zap_channel_clear_token(sigmsg->channel, switch_core_session_get_uuid(session));
switch_core_session_rwunlock(session);
}
}
break;
case ZAP_SIGEVENT_UP:
{
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
channel = switch_core_session_get_channel(session);
switch_channel_mark_answered(channel);
zap_enable_channel_dtmf(sigmsg->channel, channel);
switch_core_session_rwunlock(session);
}
}
break;
case ZAP_SIGEVENT_START:
{
status = zap_channel_from_event(sigmsg, &session);
if (status != ZAP_SUCCESS) {
zap_set_state_locked(sigmsg->channel, ZAP_CHANNEL_STATE_DOWN);
}
}
break;
default:
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Unhandled msg type %d for channel %d:%d\n",
sigmsg->event_id, sigmsg->channel->span_id, sigmsg->channel->chan_id);
}
break;
}
return ZAP_SUCCESS;
}
static ZIO_SIGNAL_CB_FUNCTION(on_fxs_signal)
{
switch_core_session_t *session = NULL;
switch_channel_t *channel = NULL;
zap_status_t status = ZAP_SUCCESS;
zap_log(ZAP_LOG_DEBUG, "got FXS sig [%s]\n", zap_signal_event2str(sigmsg->event_id));
switch(sigmsg->event_id) {
case ZAP_SIGEVENT_UP:
{
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
channel = switch_core_session_get_channel(session);
switch_channel_mark_answered(channel);
zap_enable_channel_dtmf(sigmsg->channel, channel);
switch_core_session_rwunlock(session);
}
}
break;
case ZAP_SIGEVENT_PROGRESS:
{
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
channel = switch_core_session_get_channel(session);
switch_channel_mark_ring_ready(channel);
switch_core_session_rwunlock(session);
}
}
break;
case ZAP_SIGEVENT_START:
{
zap_clear_flag_locked(sigmsg->channel, ZAP_CHANNEL_HOLD);
status = zap_channel_from_event(sigmsg, &session);
if (status != ZAP_SUCCESS) {
zap_set_state_locked(sigmsg->channel, ZAP_CHANNEL_STATE_BUSY);
}
}
break;
case ZAP_SIGEVENT_STOP:
{
private_t *tech_pvt = NULL;
switch_call_cause_t cause = SWITCH_CAUSE_NORMAL_CLEARING;
if (sigmsg->channel->token_count) {
switch_core_session_t *session_a, *session_b, *session_t = NULL;
switch_channel_t *channel_a = NULL, *channel_b = NULL;
int digits = !zstr(sigmsg->channel->caller_data.collected);
const char *br_a_uuid = NULL, *br_b_uuid = NULL;
private_t *tech_pvt = NULL;
if ((session_a = switch_core_session_locate(sigmsg->channel->tokens[0]))) {
channel_a = switch_core_session_get_channel(session_a);
br_a_uuid = switch_channel_get_variable(channel_a, SWITCH_SIGNAL_BOND_VARIABLE);
tech_pvt = switch_core_session_get_private(session_a);
stop_hold(session_a, switch_channel_get_variable(channel_a, SWITCH_SIGNAL_BOND_VARIABLE));
switch_clear_flag_locked(tech_pvt, TFLAG_HOLD);
}
if ((session_b = switch_core_session_locate(sigmsg->channel->tokens[1]))) {
channel_b = switch_core_session_get_channel(session_b);
br_b_uuid = switch_channel_get_variable(channel_b, SWITCH_SIGNAL_BOND_VARIABLE);
tech_pvt = switch_core_session_get_private(session_b);
stop_hold(session_a, switch_channel_get_variable(channel_b, SWITCH_SIGNAL_BOND_VARIABLE));
switch_clear_flag_locked(tech_pvt, TFLAG_HOLD);
}
if (channel_a && channel_b && switch_channel_direction(channel_a) == SWITCH_CALL_DIRECTION_INBOUND &&
switch_channel_direction(channel_b) == SWITCH_CALL_DIRECTION_INBOUND) {
cause = SWITCH_CAUSE_ATTENDED_TRANSFER;
if (br_a_uuid && br_b_uuid) {
switch_ivr_uuid_bridge(br_a_uuid, br_b_uuid);
} else if (br_a_uuid && digits) {
session_t = switch_core_session_locate(br_a_uuid);
} else if (br_b_uuid && digits) {
session_t = switch_core_session_locate(br_b_uuid);
}
}
if (session_t) {
switch_ivr_session_transfer(session_t, sigmsg->channel->caller_data.collected, NULL, NULL);
switch_core_session_rwunlock(session_t);
}
if (session_a) {
switch_core_session_rwunlock(session_a);
}
if (session_b) {
switch_core_session_rwunlock(session_b);
}
}
while((session = zap_channel_get_session(sigmsg->channel, 0))) {
tech_pvt = switch_core_session_get_private(session);
switch_set_flag_locked(tech_pvt, TFLAG_DEAD);
channel = switch_core_session_get_channel(session);
switch_channel_hangup(channel, cause);
zap_channel_clear_token(sigmsg->channel, switch_core_session_get_uuid(session));
switch_core_session_rwunlock(session);
}
zap_channel_clear_token(sigmsg->channel, NULL);
}
break;
case ZAP_SIGEVENT_ADD_CALL:
{
cycle_foreground(sigmsg->channel, 1, NULL);
}
break;
case ZAP_SIGEVENT_FLASH:
{
if (zap_test_flag(sigmsg->channel, ZAP_CHANNEL_HOLD) && sigmsg->channel->token_count == 1) {
switch_core_session_t *session;
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
const char *buuid;
switch_channel_t *channel;
private_t *tech_pvt;
tech_pvt = switch_core_session_get_private(session);
channel = switch_core_session_get_channel(session);
buuid = switch_channel_get_variable(channel, SWITCH_SIGNAL_BOND_VARIABLE);
zap_set_state_locked(sigmsg->channel, ZAP_CHANNEL_STATE_UP);
stop_hold(session, buuid);
switch_clear_flag_locked(tech_pvt, TFLAG_HOLD);
switch_core_session_rwunlock(session);
}
} else if (sigmsg->channel->token_count == 2 && (SPAN_CONFIG[sigmsg->span_id].analog_options & ANALOG_OPTION_3WAY)) {
if (zap_test_flag(sigmsg->channel, ZAP_CHANNEL_3WAY)) {
zap_clear_flag(sigmsg->channel, ZAP_CHANNEL_3WAY);
if ((session = zap_channel_get_session(sigmsg->channel, 1))) {
channel = switch_core_session_get_channel(session);
switch_channel_hangup(channel, SWITCH_CAUSE_NORMAL_CLEARING);
zap_channel_clear_token(sigmsg->channel, switch_core_session_get_uuid(session));
switch_core_session_rwunlock(session);
}
cycle_foreground(sigmsg->channel, 1, NULL);
} else {
char *cmd;
cmd = switch_mprintf("three_way::%s", sigmsg->channel->tokens[0]);
zap_set_flag(sigmsg->channel, ZAP_CHANNEL_3WAY);
cycle_foreground(sigmsg->channel, 1, cmd);
free(cmd);
}
} else if ((SPAN_CONFIG[sigmsg->span_id].analog_options & ANALOG_OPTION_CALL_SWAP)
|| (SPAN_CONFIG[sigmsg->span_id].analog_options & ANALOG_OPTION_3WAY)
) {
cycle_foreground(sigmsg->channel, 1, NULL);
if (sigmsg->channel->token_count == 1) {
zap_set_flag_locked(sigmsg->channel, ZAP_CHANNEL_HOLD);
zap_set_state_locked(sigmsg->channel, ZAP_CHANNEL_STATE_DIALTONE);
}
}
}
break;
case ZAP_SIGEVENT_COLLECTED_DIGIT:
{
char *dtmf = sigmsg->raw_data;
char *regex = SPAN_CONFIG[sigmsg->channel->span->span_id].dial_regex;
char *fail_regex = SPAN_CONFIG[sigmsg->channel->span->span_id].fail_dial_regex;
if (zstr(regex)) {
regex = NULL;
}
if (zstr(fail_regex)) {
fail_regex = NULL;
}
zap_log(ZAP_LOG_DEBUG, "got DTMF sig [%s]\n", dtmf);
switch_set_string(sigmsg->channel->caller_data.collected, dtmf);
if ((regex || fail_regex) && !zstr(dtmf)) {
switch_regex_t *re = NULL;
int ovector[30];
int match = 0;
if (fail_regex) {
match = switch_regex_perform(dtmf, fail_regex, &re, ovector, sizeof(ovector) / sizeof(ovector[0]));
status = match ? ZAP_SUCCESS : ZAP_BREAK;
switch_regex_safe_free(re);
}
if (status == ZAP_SUCCESS && regex) {
match = switch_regex_perform(dtmf, regex, &re, ovector, sizeof(ovector) / sizeof(ovector[0]));
status = match ? ZAP_BREAK : ZAP_SUCCESS;
}
switch_regex_safe_free(re);
}
}
break;
default:
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Unhandled msg type %d for channel %d:%d\n",
sigmsg->event_id, sigmsg->channel->span_id, sigmsg->channel->chan_id);
}
break;
}
return status;
}
static ZIO_SIGNAL_CB_FUNCTION(on_r2_signal)
{
switch_core_session_t *session = NULL;
switch_channel_t *channel = NULL;
zap_status_t status = ZAP_SUCCESS;
zap_log(ZAP_LOG_DEBUG, "Got R2 channel sig [%s] in channel %d\n", zap_signal_event2str(sigmsg->event_id), sigmsg->channel->physical_chan_id);
if (on_common_signal(sigmsg) == ZAP_BREAK) {
return ZAP_SUCCESS;
}
switch(sigmsg->event_id) {
/* on_call_disconnect from the R2 side */
case ZAP_SIGEVENT_STOP:
{
private_t *tech_pvt = NULL;
while((session = zap_channel_get_session(sigmsg->channel, 0))) {
tech_pvt = switch_core_session_get_private(session);
switch_set_flag_locked(tech_pvt, TFLAG_DEAD);
channel = switch_core_session_get_channel(session);
switch_channel_hangup(channel, sigmsg->channel->caller_data.hangup_cause);
zap_channel_clear_token(sigmsg->channel, switch_core_session_get_uuid(session));
switch_core_session_rwunlock(session);
}
}
break;
/* on_call_offered from the R2 side */
case ZAP_SIGEVENT_START:
{
status = zap_channel_from_event(sigmsg, &session);
}
break;
/* on DNIS received from the R2 forward side, return status == ZAP_BREAK to stop requesting DNIS */
case ZAP_SIGEVENT_COLLECTED_DIGIT:
{
char *regex = SPAN_CONFIG[sigmsg->channel->span->span_id].dial_regex;
char *fail_regex = SPAN_CONFIG[sigmsg->channel->span->span_id].fail_dial_regex;
if (zstr(regex)) {
regex = NULL;
}
if (zstr(fail_regex)) {
fail_regex = NULL;
}
zap_log(ZAP_LOG_DEBUG, "R2 DNIS so far [%s]\n", sigmsg->channel->caller_data.dnis.digits);
if ((regex || fail_regex) && !zstr(sigmsg->channel->caller_data.dnis.digits)) {
switch_regex_t *re = NULL;
int ovector[30];
int match = 0;
if (fail_regex) {
match = switch_regex_perform(sigmsg->channel->caller_data.dnis.digits, fail_regex, &re, ovector, sizeof(ovector) / sizeof(ovector[0]));
status = match ? ZAP_SUCCESS : ZAP_BREAK;
switch_regex_safe_free(re);
}
if (status == ZAP_SUCCESS && regex) {
match = switch_regex_perform(sigmsg->channel->caller_data.dnis.digits, regex, &re, ovector, sizeof(ovector) / sizeof(ovector[0]));
status = match ? ZAP_BREAK : ZAP_SUCCESS;
}
switch_regex_safe_free(re);
}
}
break;
case ZAP_SIGEVENT_PROGRESS:
{
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
channel = switch_core_session_get_channel(session);
switch_channel_mark_ring_ready(channel);
switch_core_session_rwunlock(session);
}
}
break;
case ZAP_SIGEVENT_UP:
{
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
channel = switch_core_session_get_channel(session);
switch_channel_mark_answered(channel);
zap_enable_channel_dtmf(sigmsg->channel, channel);
switch_core_session_rwunlock(session);
}
}
break;
default:
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Unhandled event %d from R2 for channel %d:%d\n",
sigmsg->event_id, sigmsg->channel->span_id, sigmsg->channel->chan_id);
}
break;
}
return status;
}
static ZIO_SIGNAL_CB_FUNCTION(on_clear_channel_signal)
{
switch_core_session_t *session = NULL;
switch_channel_t *channel = NULL;
zap_log(ZAP_LOG_DEBUG, "got clear channel sig [%s]\n", zap_signal_event2str(sigmsg->event_id));
if (on_common_signal(sigmsg) == ZAP_BREAK) {
return ZAP_SUCCESS;
}
switch(sigmsg->event_id) {
case ZAP_SIGEVENT_START:
{
zap_enable_channel_dtmf(sigmsg->channel, channel);
return zap_channel_from_event(sigmsg, &session);
}
break;
case ZAP_SIGEVENT_STOP:
case ZAP_SIGEVENT_RESTART:
{
private_t *tech_pvt = NULL;
while((session = zap_channel_get_session(sigmsg->channel, 0))) {
tech_pvt = switch_core_session_get_private(session);
switch_set_flag_locked(tech_pvt, TFLAG_DEAD);
channel = switch_core_session_get_channel(session);
switch_channel_hangup(channel, sigmsg->channel->caller_data.hangup_cause);
zap_channel_clear_token(sigmsg->channel, switch_core_session_get_uuid(session));
switch_core_session_rwunlock(session);
}
}
break;
case ZAP_SIGEVENT_UP:
{
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
channel = switch_core_session_get_channel(session);
switch_channel_mark_answered(channel);
zap_enable_channel_dtmf(sigmsg->channel, channel);
switch_core_session_rwunlock(session);
} else {
const char *uuid = zap_channel_get_uuid(sigmsg->channel, 0);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Session for channel %d:%d not found [UUID: %s]\n",
sigmsg->channel->span_id, sigmsg->channel->chan_id, (uuid) ? uuid : "N/A");
}
}
case ZAP_SIGEVENT_PROGRESS_MEDIA:
{
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
channel = switch_core_session_get_channel(session);
switch_channel_mark_pre_answered(channel);
switch_core_session_rwunlock(session);
} else {
const char *uuid = zap_channel_get_uuid(sigmsg->channel, 0);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Session for channel %d:%d not found [UUID: %s]\n",
sigmsg->channel->span_id, sigmsg->channel->chan_id, (uuid) ? uuid : "N/A");
}
}
break;
case ZAP_SIGEVENT_PROGRESS:
{
if ((session = zap_channel_get_session(sigmsg->channel, 0))) {
channel = switch_core_session_get_channel(session);
switch_channel_mark_ring_ready(channel);
switch_core_session_rwunlock(session);
} else {
const char *uuid = zap_channel_get_uuid(sigmsg->channel, 0);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Session for channel %d:%d not found [UUID: %s]\n",
sigmsg->channel->span_id, sigmsg->channel->chan_id, (uuid) ? uuid : "N/A");
}
}
break;
default:
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Unhandled msg type %d for channel %d:%d\n",
sigmsg->event_id, sigmsg->channel->span_id, sigmsg->channel->chan_id);
}
break;
}
return ZAP_SUCCESS;
}
static ZIO_SIGNAL_CB_FUNCTION(on_analog_signal)
{
switch_status_t status = SWITCH_STATUS_FALSE;
if (on_common_signal(sigmsg) == ZAP_BREAK) {
return ZAP_SUCCESS;
}
switch (sigmsg->channel->type) {
case ZAP_CHAN_TYPE_FXO:
case ZAP_CHAN_TYPE_EM:
{
status = on_fxo_signal(sigmsg);
}
break;
case ZAP_CHAN_TYPE_FXS:
{
status = on_fxs_signal(sigmsg);
}
break;
default:
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Unhandled analog channel type %d for channel %d:%d\n",
sigmsg->channel->type, sigmsg->channel->span_id, sigmsg->channel->chan_id);
}
break;
}
return status;
}
static void zap_logger(const char *file, const char *func, int line, int level, const char *fmt, ...)
{
char *data = NULL;
va_list ap;
va_start(ap, fmt);
if (switch_vasprintf(&data, fmt, ap) != -1) {
switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, (char *)func, line, NULL, level, "%s", data);
free(data);
}
va_end(ap);
}
static uint32_t enable_analog_option(const char *str, uint32_t current_options)
{
if (!strcasecmp(str, "3-way")) {
current_options |= ANALOG_OPTION_3WAY;
current_options &= ~ANALOG_OPTION_CALL_SWAP;
} else if (!strcasecmp(str, "call-swap")) {
current_options |= ANALOG_OPTION_CALL_SWAP;
current_options &= ~ANALOG_OPTION_3WAY;
}
return current_options;
}
static switch_status_t load_config(void)
{
const char *cf = "openzap.conf";
switch_xml_t cfg, xml, settings, param, spans, myspan;
memset(&globals, 0, sizeof(globals));
switch_mutex_init(&globals.mutex, SWITCH_MUTEX_NESTED, module_pool);
if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "open of %s failed\n", cf);
return SWITCH_STATUS_TERM;
}
if ((settings = switch_xml_child(cfg, "settings"))) {
for (param = switch_xml_child(settings, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "debug")) {
globals.debug = atoi(val);
} else if (!strcasecmp(var, "hold-music")) {
switch_set_string(globals.hold_music, val);
} else if (!strcasecmp(var, "enable-analog-option")) {
globals.analog_options = enable_analog_option(val, globals.analog_options);
}
}
}
if ((spans = switch_xml_child(cfg, "analog_spans"))) {
for (myspan = switch_xml_child(spans, "span"); myspan; myspan = myspan->next) {
char *id = (char *) switch_xml_attr(myspan, "id");
char *name = (char *) switch_xml_attr(myspan, "name");
zap_status_t zstatus = ZAP_FAIL;
const char *context = "default";
const char *dialplan = "XML";
const char *tonegroup = NULL;
char *digit_timeout = NULL;
char *max_digits = NULL;
char *hotline = NULL;
char *dial_regex = NULL;
char *hold_music = NULL;
char *fail_dial_regex = NULL;
const char *enable_callerid = "true";
int callwaiting = 1;
uint32_t span_id = 0, to = 0, max = 0;
zap_span_t *span = NULL;
analog_option_t analog_options = ANALOG_OPTION_NONE;
for (param = switch_xml_child(myspan, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "tonegroup")) {
tonegroup = val;
} else if (!strcasecmp(var, "digit_timeout") || !strcasecmp(var, "digit-timeout")) {
digit_timeout = val;
} else if (!strcasecmp(var, "context")) {
context = val;
} else if (!strcasecmp(var, "dialplan")) {
dialplan = val;
} else if (!strcasecmp(var, "dial-regex")) {
dial_regex = val;
} else if (!strcasecmp(var, "enable-callerid")) {
enable_callerid = val;
} else if (!strcasecmp(var, "fail-dial-regex")) {
fail_dial_regex = val;
} else if (!strcasecmp(var, "hold-music")) {
hold_music = val;
} else if (!strcasecmp(var, "max_digits") || !strcasecmp(var, "max-digits")) {
max_digits = val;
} else if (!strcasecmp(var, "hotline")) {
hotline = val;
} else if (!strcasecmp(var, "callwaiting")) {
callwaiting = switch_true(val) ? 1 : 0;
} else if (!strcasecmp(var, "enable-analog-option")) {
analog_options = enable_analog_option(val, analog_options);
}
}
if (!id && !name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "span missing required param 'id'\n");
continue;
}
if (!tonegroup) {
tonegroup = "us";
}
if (digit_timeout) {
to = atoi(digit_timeout);
}
if (max_digits) {
max = atoi(max_digits);
}
if (name) {
zstatus = zap_span_find_by_name(name, &span);
} else {
if (switch_is_number(id)) {
span_id = atoi(id);
zstatus = zap_span_find(span_id, &span);
}
if (zstatus != ZAP_SUCCESS) {
zstatus = zap_span_find_by_name(id, &span);
}
}
if (zstatus != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error finding OpenZAP span id:%s name:%s\n", switch_str_nil(id), switch_str_nil(name));
continue;
}
if (!span_id) {
span_id = span->span_id;
}
if (zap_configure_span("analog", span, on_analog_signal,
"tonemap", tonegroup,
"digit_timeout", &to,
"max_dialstr", &max,
"hotline", hotline ? hotline : "",
"enable_callerid", enable_callerid,
"callwaiting", &callwaiting,
TAG_END) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error starting OpenZAP span %d\n", span_id);
continue;
}
SPAN_CONFIG[span->span_id].span = span;
switch_set_string(SPAN_CONFIG[span->span_id].context, context);
switch_set_string(SPAN_CONFIG[span->span_id].dialplan, dialplan);
SPAN_CONFIG[span->span_id].analog_options = analog_options | globals.analog_options;
if (dial_regex) {
switch_set_string(SPAN_CONFIG[span->span_id].dial_regex, dial_regex);
}
if (fail_dial_regex) {
switch_set_string(SPAN_CONFIG[span->span_id].fail_dial_regex, fail_dial_regex);
}
if (hold_music) {
switch_set_string(SPAN_CONFIG[span->span_id].hold_music, hold_music);
}
switch_copy_string(SPAN_CONFIG[span->span_id].type, "analog", sizeof(SPAN_CONFIG[span->span_id].type));
zap_span_start(span);
}
}
if ((spans = switch_xml_child(cfg, "analog_em_spans"))) {
for (myspan = switch_xml_child(spans, "span"); myspan; myspan = myspan->next) {
char *id = (char *) switch_xml_attr(myspan, "id");
char *name = (char *) switch_xml_attr(myspan, "name");
zap_status_t zstatus = ZAP_FAIL;
const char *context = "default";
const char *dialplan = "XML";
const char *tonegroup = NULL;
char *digit_timeout = NULL;
char *max_digits = NULL;
char *dial_regex = NULL;
char *hold_music = NULL;
char *fail_dial_regex = NULL;
uint32_t span_id = 0, to = 0, max = 0;
zap_span_t *span = NULL;
analog_option_t analog_options = ANALOG_OPTION_NONE;
for (param = switch_xml_child(myspan, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "tonegroup")) {
tonegroup = val;
} else if (!strcasecmp(var, "digit_timeout") || !strcasecmp(var, "digit-timeout")) {
digit_timeout = val;
} else if (!strcasecmp(var, "context")) {
context = val;
} else if (!strcasecmp(var, "dialplan")) {
dialplan = val;
} else if (!strcasecmp(var, "dial-regex")) {
dial_regex = val;
} else if (!strcasecmp(var, "fail-dial-regex")) {
fail_dial_regex = val;
} else if (!strcasecmp(var, "hold-music")) {
hold_music = val;
} else if (!strcasecmp(var, "max_digits") || !strcasecmp(var, "max-digits")) {
max_digits = val;
} else if (!strcasecmp(var, "enable-analog-option")) {
analog_options = enable_analog_option(val, analog_options);
}
}
if (!id && !name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "span missing required param 'id'\n");
continue;
}
if (!tonegroup) {
tonegroup = "us";
}
if (digit_timeout) {
to = atoi(digit_timeout);
}
if (max_digits) {
max = atoi(max_digits);
}
if (name) {
zstatus = zap_span_find_by_name(name, &span);
} else {
if (switch_is_number(id)) {
span_id = atoi(id);
zstatus = zap_span_find(span_id, &span);
}
if (zstatus != ZAP_SUCCESS) {
zstatus = zap_span_find_by_name(id, &span);
}
}
if (zstatus != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error finding OpenZAP span id:%s name:%s\n", switch_str_nil(id), switch_str_nil(name));
continue;
}
if (!span_id) {
span_id = span->span_id;
}
if (zap_configure_span("analog_em", span, on_analog_signal,
"tonemap", tonegroup,
"digit_timeout", &to,
"max_dialstr", &max,
TAG_END) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error starting OpenZAP span %d\n", span_id);
continue;
}
SPAN_CONFIG[span->span_id].span = span;
switch_set_string(SPAN_CONFIG[span->span_id].context, context);
switch_set_string(SPAN_CONFIG[span->span_id].dialplan, dialplan);
SPAN_CONFIG[span->span_id].analog_options = analog_options | globals.analog_options;
if (dial_regex) {
switch_set_string(SPAN_CONFIG[span->span_id].dial_regex, dial_regex);
}
if (fail_dial_regex) {
switch_set_string(SPAN_CONFIG[span->span_id].fail_dial_regex, fail_dial_regex);
}
if (hold_music) {
switch_set_string(SPAN_CONFIG[span->span_id].hold_music, hold_music);
}
switch_copy_string(SPAN_CONFIG[span->span_id].type, "analog_em", sizeof(SPAN_CONFIG[span->span_id].type));
zap_span_start(span);
}
}
if ((spans = switch_xml_child(cfg, "pri_spans"))) {
for (myspan = switch_xml_child(spans, "span"); myspan; myspan = myspan->next) {
char *id = (char *) switch_xml_attr(myspan, "id");
char *name = (char *) switch_xml_attr(myspan, "name");
zap_status_t zstatus = ZAP_FAIL;
const char *context = "default";
const char *dialplan = "XML";
//Q921NetUser_t mode = Q931_TE;
//Q931Dialect_t dialect = Q931_Dialect_National;
char *mode = NULL;
char *dialect = NULL;
uint32_t span_id = 0;
zap_span_t *span = NULL;
const char *tonegroup = NULL;
char *digit_timeout = NULL;
const char *opts = "none";
uint32_t to = 0;
int q921loglevel = -1;
int q931loglevel = -1;
// quick debug
//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "ID: '%s', Name:'%s'\n",id,name);
for (param = switch_xml_child(myspan, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "tonegroup")) {
tonegroup = val;
} else if (!strcasecmp(var, "mode")) {
mode = val;
} else if (!strcasecmp(var, "dialect")) {
dialect = val;
} else if (!strcasecmp(var, "q921loglevel")) {
if ((q921loglevel = switch_log_str2level(val)) == SWITCH_LOG_INVALID) {
q921loglevel = -1;
}
} else if (!strcasecmp(var, "q931loglevel")) {
if ((q931loglevel = switch_log_str2level(val)) == SWITCH_LOG_INVALID) {
q931loglevel = -1;
}
} else if (!strcasecmp(var, "context")) {
context = val;
} else if (!strcasecmp(var, "opts")) {
opts = val;
} else if (!strcasecmp(var, "dialplan")) {
dialplan = val;
} else if (!strcasecmp(var, "digit_timeout") || !strcasecmp(var, "digit-timeout")) {
digit_timeout = val;
}
}
if (!id && !name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "span missing required param 'id'\n");
continue;
}
if (name) {
zstatus = zap_span_find_by_name(name, &span);
} else {
if (switch_is_number(id)) {
span_id = atoi(id);
zstatus = zap_span_find(span_id, &span);
}
if (zstatus != ZAP_SUCCESS) {
zstatus = zap_span_find_by_name(id, &span);
}
}
if (digit_timeout) {
to = atoi(digit_timeout);
}
if (zstatus != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error finding OpenZAP span id:%s name:%s\n", switch_str_nil(id), switch_str_nil(name));
continue;
}
if (!span_id) {
span_id = span->span_id;
}
if (!tonegroup) {
tonegroup = "us";
}
if (zap_configure_span("isdn", span, on_clear_channel_signal,
"mode", mode,
"dialect", dialect,
"digit_timeout", &to,
"opts", opts,
"tonemap", tonegroup,
"q921loglevel", q921loglevel,
"q931loglevel", q931loglevel,
TAG_END) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error starting OpenZAP span %d mode: %s dialect: %s error: %s\n", span_id, mode, dialect, span->last_error);
continue;
}
SPAN_CONFIG[span->span_id].span = span;
switch_copy_string(SPAN_CONFIG[span->span_id].context, context, sizeof(SPAN_CONFIG[span->span_id].context));
switch_copy_string(SPAN_CONFIG[span->span_id].dialplan, dialplan, sizeof(SPAN_CONFIG[span->span_id].dialplan));
switch_copy_string(SPAN_CONFIG[span->span_id].type, "isdn", sizeof(SPAN_CONFIG[span->span_id].type));
zap_span_start(span);
}
}
if ((spans = switch_xml_child(cfg, "libpri_spans"))) {
for (myspan = switch_xml_child(spans, "span"); myspan; myspan = myspan->next) {
char *id = (char *) switch_xml_attr(myspan, "id");
char *name = (char *) switch_xml_attr(myspan, "name");
zap_status_t zstatus = ZAP_FAIL;
const char *context = "default";
const char *dialplan = "XML";
const char *o_node = "cpe";
const char *o_switch = "dms100";
const char *o_dp = "unknown";
const char *o_l1 = "ulaw";
const char *o_debug = "none";
const char* opts = "none";
uint32_t span_id = 0;
zap_span_t *span = NULL;
for (param = switch_xml_child(myspan, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "node")) {
o_node = val;
} else if (!strcasecmp(var, "switch")) {
o_switch = val;
} else if (!strcasecmp(var, "dp")) {
o_dp = val;
} else if (!strcasecmp(var, "l1")) {
o_l1 = val;
} else if (!strcasecmp(var, "debug")) {
o_debug = val;
} else if (!strcasecmp(var, "context")) {
context = val;
} else if (!strcasecmp(var, "opts")) {
opts = val;
} else if (!strcasecmp(var, "dialplan")) {
dialplan = val;
}
}
if (!id && !name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "span missing required param 'id'\n");
continue;
}
if (name) {
zstatus = zap_span_find_by_name(name, &span);
} else {
if (switch_is_number(id)) {
span_id = atoi(id);
zstatus = zap_span_find(span_id, &span);
}
if (zstatus != ZAP_SUCCESS) {
zstatus = zap_span_find_by_name(id, &span);
}
}
if (zstatus != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error finding OpenZAP span id:%s name:%s\n", switch_str_nil(id), switch_str_nil(name));
continue;
}
if (!span_id) {
span_id = span->span_id;
}
if (zap_configure_span("libpri", span, on_clear_channel_signal,
"node", o_node,
"switch", o_switch,
"dp", o_dp,
"l1", o_l1,
"debug", o_debug,
"opts", opts,
TAG_END) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error starting OpenZAP span %d node: %s switch: %s dp: %s l1: %s debug: %s error: %s\n",
span_id, switch_str_nil(o_node), switch_str_nil(o_switch), switch_str_nil(o_dp), switch_str_nil(o_l1), switch_str_nil(o_debug),
span->last_error);
continue;
}
SPAN_CONFIG[span->span_id].span = span;
switch_copy_string(SPAN_CONFIG[span->span_id].context, context, sizeof(SPAN_CONFIG[span->span_id].context));
switch_copy_string(SPAN_CONFIG[span->span_id].dialplan, dialplan, sizeof(SPAN_CONFIG[span->span_id].dialplan));
switch_copy_string(SPAN_CONFIG[span->span_id].type, "isdn", sizeof(SPAN_CONFIG[span->span_id].type));
zap_span_start(span);
}
}
if ((spans = switch_xml_child(cfg, "boost_spans"))) {
for (myspan = switch_xml_child(spans, "span"); myspan; myspan = myspan->next) {
char *id = (char *) switch_xml_attr(myspan, "id");
char *name = (char *) switch_xml_attr(myspan, "name");
zap_status_t zstatus = ZAP_FAIL;
const char *context = "default";
const char *dialplan = "XML";
const char *outbound_called_ton = "national";
const char *outbound_called_npi = "isdn";
const char *outbound_calling_ton = "national";
const char *outbound_calling_npi = "isdn";
const char *outbound_rdnis_ton = "national";
const char *outbound_rdnis_npi = "isdn";
uint32_t span_id = 0;
zap_span_t *span = NULL;
const char *tonegroup = NULL;
char *local_ip = NULL;
int local_port = 0;
char *remote_ip = NULL;
int remote_port = 0;
for (param = switch_xml_child(myspan, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcasecmp(var, "tonegroup")) {
tonegroup = val;
} else if (!strcasecmp(var, "local-ip")) {
local_ip = val;
} else if (!strcasecmp(var, "local-port")) {
local_port = atoi(val);
} else if (!strcasecmp(var, "remote-ip")) {
remote_ip = val;
} else if (!strcasecmp(var, "remote-port")) {
remote_port = atoi(val);
} else if (!strcasecmp(var, "context")) {
context = val;
} else if (!strcasecmp(var, "outbound-called-ton")) {
outbound_called_ton = val;
} else if (!strcasecmp(var, "outbound-called-npi")) {
outbound_called_npi = val;
} else if (!strcasecmp(var, "outbound-calling-ton")) {
outbound_calling_ton = val;
} else if (!strcasecmp(var, "outbound-calling-npi")) {
outbound_calling_npi = val;
} else if (!strcasecmp(var, "outbound-rdnis-ton")) {
outbound_rdnis_ton = val;
} else if (!strcasecmp(var, "outbound-rdnis-npi")) {
outbound_rdnis_npi = val;
}
}
if (!id && !name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "span missing required param\n");
continue;
}
if (!tonegroup) {
tonegroup = "us";
}
if (name) {
zstatus = zap_span_find_by_name(name, &span);
} else {
if (switch_is_number(id)) {
span_id = atoi(id);
zstatus = zap_span_find(span_id, &span);
}
if (zstatus != ZAP_SUCCESS) {
zstatus = zap_span_find_by_name(id, &span);
}
}
if (zstatus != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error finding OpenZAP span id:%s name:%s\n", switch_str_nil(id), switch_str_nil(name));
continue;
}
if (!span_id) {
span_id = span->span_id;
}
zap_set_npi(outbound_called_npi, &span->default_caller_data.ani.plan);
zap_set_npi(outbound_calling_npi, &span->default_caller_data.cid_num.plan);
zap_set_npi(outbound_rdnis_npi, &span->default_caller_data.rdnis.plan);
zap_set_ton(outbound_called_ton, &span->default_caller_data.ani.type);
zap_set_ton(outbound_calling_ton, &span->default_caller_data.cid_num.type);
zap_set_ton(outbound_rdnis_ton, &span->default_caller_data.rdnis.type);
if (zap_configure_span("sangoma_boost", span, on_clear_channel_signal,
"local_ip", local_ip,
"local_port", &local_port,
"remote_ip", remote_ip,
"remote_port", &remote_port,
TAG_END) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error starting OpenZAP span %d error: %s\n", span_id, span->last_error);
continue;
}
SPAN_CONFIG[span->span_id].span = span;
switch_copy_string(SPAN_CONFIG[span->span_id].context, context, sizeof(SPAN_CONFIG[span->span_id].context));
switch_copy_string(SPAN_CONFIG[span->span_id].dialplan, dialplan, sizeof(SPAN_CONFIG[span->span_id].dialplan));
zap_span_start(span);
switch_copy_string(SPAN_CONFIG[span->span_id].type, "Sangoma (boost)", sizeof(SPAN_CONFIG[span->span_id].type));
}
}
if ((spans = switch_xml_child(cfg, "r2_spans"))) {
for (myspan = switch_xml_child(spans, "span"); myspan; myspan = myspan->next) {
char *id = (char *) switch_xml_attr(myspan, "id");
char *name = (char *) switch_xml_attr(myspan, "name");
zap_status_t zstatus = ZAP_FAIL;
/* strings */
const char *variant = "itu";
const char *category = "national_subscriber";
const char *logdir = "/usr/local/freeswitch/log/"; /* FIXME: get PREFIX variable */
const char *logging = "notice,warning,error";
const char *advanced_protocol_file = "";
/* booleans */
int call_files = 0;
int get_ani_first = -1;
int immediate_accept = -1;
int double_answer = -1;
int skip_category = -1;
int forced_release = -1;
int charge_calls = -1;
/* integers */
int mfback_timeout = -1;
int metering_pulse_timeout = -1;
int allow_collect_calls = -1;
int max_ani = 10;
int max_dnis = 4;
/* common non r2 stuff */
const char *context = "default";
const char *dialplan = "XML";
char *dial_regex = NULL;
char *fail_dial_regex = NULL;
uint32_t span_id = 0;
zap_span_t *span = NULL;
for (param = switch_xml_child(myspan, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
/* string parameters */
if (!strcasecmp(var, "variant")) {
variant = val;
} else if (!strcasecmp(var, "category")) {
category = val;
} else if (!strcasecmp(var, "logdir")) {
logdir = val;
} else if (!strcasecmp(var, "logging")) {
logging = val;
} else if (!strcasecmp(var, "advanced_protocol_file")) {
advanced_protocol_file = val;
/* booleans */
} else if (!strcasecmp(var, "allow_collect_calls")) {
allow_collect_calls = switch_true(val);
} else if (!strcasecmp(var, "immediate_accept")) {
immediate_accept = switch_true(val);
} else if (!strcasecmp(var, "double_answer")) {
double_answer = switch_true(val);
} else if (!strcasecmp(var, "skip_category")) {
skip_category = switch_true(var);
} else if (!strcasecmp(var, "forced_release")) {
forced_release = switch_true(val);
} else if (!strcasecmp(var, "charge_calls")) {
charge_calls = switch_true(val);
} else if (!strcasecmp(var, "get_ani_first")) {
get_ani_first = switch_true(val);
} else if (!strcasecmp(var, "call_files")) {
call_files = switch_true(val);
/* integers */
} else if (!strcasecmp(var, "mfback_timeout")) {
mfback_timeout = atoi(val);
} else if (!strcasecmp(var, "metering_pulse_timeout")) {
metering_pulse_timeout = atoi(val);
} else if (!strcasecmp(var, "max_ani")) {
max_ani = atoi(val);
} else if (!strcasecmp(var, "max_dnis")) {
max_dnis = atoi(val);
/* common non r2 stuff */
} else if (!strcasecmp(var, "context")) {
context = val;
} else if (!strcasecmp(var, "dialplan")) {
dialplan = val;
} else if (!strcasecmp(var, "dial-regex")) {
dial_regex = val;
} else if (!strcasecmp(var, "fail-dial-regex")) {
fail_dial_regex = val;
}
}
if (!id && !name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "span missing required param 'id'\n");
continue;
}
if (name) {
zstatus = zap_span_find_by_name(name, &span);
} else {
if (switch_is_number(id)) {
span_id = atoi(id);
zstatus = zap_span_find(span_id, &span);
}
if (zstatus != ZAP_SUCCESS) {
zstatus = zap_span_find_by_name(id, &span);
}
}
if (zstatus != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error finding OpenZAP span id:%s name:%s\n", switch_str_nil(id), switch_str_nil(name));
continue;
}
if (!span_id) {
span_id = span->span_id;
}
if (zap_configure_span("r2", span, on_r2_signal,
"variant", variant,
"max_ani", max_ani,
"max_dnis", max_dnis,
"category", category,
"logdir", logdir,
"logging", logging,
"advanced_protocol_file", advanced_protocol_file,
"allow_collect_calls", allow_collect_calls,
"immediate_accept", immediate_accept,
"double_answer", double_answer,
"skip_category", skip_category,
"forced_release", forced_release,
"charge_calls", charge_calls,
"get_ani_first", get_ani_first,
"call_files", call_files,
"mfback_timeout", mfback_timeout,
"metering_pulse_timeout", metering_pulse_timeout,
TAG_END) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error configuring R2 OpenZAP span %d, error: %s\n",
span_id, span->last_error);
continue;
}
if (dial_regex) {
switch_set_string(SPAN_CONFIG[span->span_id].dial_regex, dial_regex);
}
if (fail_dial_regex) {
switch_set_string(SPAN_CONFIG[span->span_id].fail_dial_regex, fail_dial_regex);
}
SPAN_CONFIG[span->span_id].span = span;
switch_copy_string(SPAN_CONFIG[span->span_id].context, context, sizeof(SPAN_CONFIG[span->span_id].context));
switch_copy_string(SPAN_CONFIG[span->span_id].dialplan, dialplan, sizeof(SPAN_CONFIG[span->span_id].dialplan));
switch_copy_string(SPAN_CONFIG[span->span_id].type, "r2", sizeof(SPAN_CONFIG[span->span_id].type));
if (zap_span_start(span) == ZAP_FAIL) {
zap_log(ZAP_LOG_ERROR, "Error starting R2 OpenZAP span %d, error: %s\n", span_id, span->last_error);
continue;
}
}
}
switch_xml_free(xml);
return SWITCH_STATUS_SUCCESS;
}
void dump_chan(zap_span_t *span, uint32_t chan_id, switch_stream_handle_t *stream)
{
if (chan_id > span->chan_count) {
return;
}
stream->write_function(stream,
"span_id: %u\n"
"chan_id: %u\n"
"physical_span_id: %u\n"
"physical_chan_id: %u\n"
"type: %s\n"
"state: %s\n"
"last_state: %s\n"
"txgain: %3.2f\n"
"rxgain: %3.2f\n"
"cid_date: %s\n"
"cid_name: %s\n"
"cid_num: %s\n"
"ani: %s\n"
"aniII: %s\n"
"dnis: %s\n"
"rdnis: %s\n"
"cause: %s\n\n",
span->channels[chan_id]->span_id,
span->channels[chan_id]->chan_id,
span->channels[chan_id]->physical_span_id,
span->channels[chan_id]->physical_chan_id,
zap_chan_type2str(span->channels[chan_id]->type),
zap_channel_state2str(span->channels[chan_id]->state),
zap_channel_state2str(span->channels[chan_id]->last_state),
span->channels[chan_id]->txgain,
span->channels[chan_id]->rxgain,
span->channels[chan_id]->caller_data.cid_date,
span->channels[chan_id]->caller_data.cid_name,
span->channels[chan_id]->caller_data.cid_num.digits,
span->channels[chan_id]->caller_data.ani.digits,
span->channels[chan_id]->caller_data.aniII,
span->channels[chan_id]->caller_data.dnis.digits,
span->channels[chan_id]->caller_data.rdnis.digits,
switch_channel_cause2str(span->channels[chan_id]->caller_data.hangup_cause)
);
}
void dump_chan_xml(zap_span_t *span, uint32_t chan_id, switch_stream_handle_t *stream)
{
if (chan_id > span->chan_count) {
return;
}
stream->write_function(stream,
" <channel>\n"
" <span-id>%u</span-id>\n"
" <chan-id>%u</chan-id>>\n"
" <physical-span-id>%u</physical-span-id>\n"
" <physical-chan-id>%u</physical-chan-id>\n"
" <type>%s</type>\n"
" <state>%s</state>\n"
" <last-state>%s</last-state>\n"
" <txgain>%3.2f</txgain>\n"
" <rxgain>%3.2f</rxgain>\n"
" <cid-date>%s</cid-date>\n"
" <cid-name>%s</cid-name>\n"
" <cid-num>%s</cid-num>\n"
" <ani>%s</ani>\n"
" <aniII>%s</aniII>\n"
" <dnis>%s</dnis>\n"
" <rdnis>%s</rdnis>\n"
" <cause>%s</cause>\n"
" </channel>\n",
span->channels[chan_id]->span_id,
span->channels[chan_id]->chan_id,
span->channels[chan_id]->physical_span_id,
span->channels[chan_id]->physical_chan_id,
zap_chan_type2str(span->channels[chan_id]->type),
zap_channel_state2str(span->channels[chan_id]->state),
zap_channel_state2str(span->channels[chan_id]->last_state),
span->channels[chan_id]->txgain,
span->channels[chan_id]->rxgain,
span->channels[chan_id]->caller_data.cid_date,
span->channels[chan_id]->caller_data.cid_name,
span->channels[chan_id]->caller_data.cid_num.digits,
span->channels[chan_id]->caller_data.ani.digits,
span->channels[chan_id]->caller_data.aniII,
span->channels[chan_id]->caller_data.dnis.digits,
span->channels[chan_id]->caller_data.rdnis.digits,
switch_channel_cause2str(span->channels[chan_id]->caller_data.hangup_cause)
);
}
#define OZ_SYNTAX "list || dump <span_id> [<chan_id>] || q931_pcap <span_id> on|off [pcapfilename without suffix] || gains <txgain> <rxgain> <span_id> [<chan_id>] || dtmf on|off <span_id> [<chan_id>]"
SWITCH_STANDARD_API(oz_function)
{
char *mycmd = NULL, *argv[10] = { 0 };
int argc = 0;
if (!zstr(cmd) && (mycmd = strdup(cmd))) {
argc = switch_separate_string(mycmd, ' ', argv, (sizeof(argv) / sizeof(argv[0])));
}
if (!argc) {
stream->write_function(stream, "%s", OZ_SYNTAX);
goto end;
}
if (!strcasecmp(argv[0], "dump")) {
if (argc < 2) {
stream->write_function(stream, "-ERR Usage: oz dump <span_id> [<chan_id>]\n");
goto end;
} else {
uint32_t chan_id = 0;
zap_span_t *span;
char *as = NULL;
zap_span_find_by_name(argv[1], &span);
if (argc > 2) {
if (argv[3] && !strcasecmp(argv[2], "as")) {
as = argv[3];
} else {
chan_id = atoi(argv[2]);
}
}
if (argv[4] && !strcasecmp(argv[3], "as")) {
as = argv[4];
}
if (!zstr(as) && !strcasecmp(as, "xml")) {
stream->write_function(stream, "<channels>\n");
if (!span) {
stream->write_function(stream, "<error>invalid span</error>\n");
} else {
if (chan_id) {
if(chan_id > span->chan_count) {
stream->write_function(stream, "<error>invalid channel</error>\n");
} else {
dump_chan_xml(span, chan_id, stream);
}
} else {
uint32_t j;
for (j = 1; j <= span->chan_count; j++) {
dump_chan_xml(span, j, stream);
}
}
}
stream->write_function(stream, "</channels>\n");
} else {
if (!span) {
stream->write_function(stream, "-ERR invalid span\n");
} else {
if (chan_id) {
if(chan_id > span->chan_count) {
stream->write_function(stream, "-ERR invalid channel\n");
} else {
dump_chan(span, chan_id, stream);
}
} else {
uint32_t j;
stream->write_function(stream, "+OK\n");
for (j = 1; j <= span->chan_count; j++) {
dump_chan(span, j, stream);
}
}
}
}
}
} else if (!strcasecmp(argv[0], "list")) {
int j;
for (j = 0 ; j < ZAP_MAX_SPANS_INTERFACE; j++) {
if (SPAN_CONFIG[j].span) {
const char *flags = "none";
if (SPAN_CONFIG[j].analog_options & ANALOG_OPTION_3WAY) {
flags = "3way";
} else if (SPAN_CONFIG[j].analog_options & ANALOG_OPTION_CALL_SWAP) {
flags = "call swap";
}
stream->write_function(stream,
"+OK\n"
"span: %u (%s)\n"
"type: %s\n"
"chan_count: %u\n"
"dialplan: %s\n"
"context: %s\n"
"dial_regex: %s\n"
"fail_dial_regex: %s\n"
"hold_music: %s\n"
"analog_options %s\n",
j,
SPAN_CONFIG[j].span->name,
SPAN_CONFIG[j].type,
SPAN_CONFIG[j].span->chan_count,
SPAN_CONFIG[j].dialplan,
SPAN_CONFIG[j].context,
SPAN_CONFIG[j].dial_regex,
SPAN_CONFIG[j].fail_dial_regex,
SPAN_CONFIG[j].hold_music,
flags
);
}
}
} else if (!strcasecmp(argv[0], "stop") || !strcasecmp(argv[0], "start")) {
char *span_name = argv[1];
zap_span_t *span = NULL;
zap_status_t status;
if (span_name) {
zap_span_find_by_name(span_name, &span);
}
if (!span) {
stream->write_function(stream, "-ERR no span\n");
goto end;
}
if (!strcasecmp(argv[0], "stop")) {
status = zap_span_stop(span);
} else {
status = zap_span_start(span);
}
stream->write_function(stream, status == ZAP_SUCCESS ? "+OK\n" : "-ERR failure\n");
goto end;
/*Q931ToPcap enhancement*/
} else if (!strcasecmp(argv[0], "q931_pcap")) {
int32_t span_id = 0;
zap_span_t *span;
const char *pcapfn = NULL;
char *tmp_path = NULL;
if (argc < 3) {
stream->write_function(stream, "-ERR Usage: oz q931_pcap <span_id> on|off [pcapfilename without suffix]\n");
goto end;
}
span_id = atoi(argv[1]);
if (!(span_id && (span = SPAN_CONFIG[span_id].span))) {
stream->write_function(stream, "-ERR invalid span\n");
goto end;
}
/*Look for a given file name or use default file name*/
if (argc > 3) {
if(argv[3]){
pcapfn=argv[3];
}
}
else {
pcapfn="q931";
}
/*Add log directory path to file name*/
tmp_path=switch_mprintf("%s%s%s.pcap", SWITCH_GLOBAL_dirs.log_dir, SWITCH_PATH_SEPARATOR, pcapfn);
if(!strcasecmp(argv[2], "on")) {
if (zap_configure_span("isdn", span, on_clear_channel_signal, "q931topcap", 1, "pcapfilename", tmp_path, TAG_END) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_WARNING, "Error couldn't (re-)enable Q931-To-Pcap!\n");
goto end;
} else {
stream->write_function(stream, "+OK\n");
}
} else if(!strcasecmp(argv[2], "off")) {
if (zap_configure_span("isdn", span, on_clear_channel_signal, "q931topcap", 0, TAG_END) != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error couldn't enable Q931-To-Pcap!\n");
goto end;
} else {
stream->write_function(stream, "+OK\n");
}
} else {
stream->write_function(stream, "-ERR Usage: oz q931_pcap <span_id> on|off [pcapfilename without suffix]\n");
goto end;
}
} else if (!strcasecmp(argv[0], "gains")) {
int i = 0;
float txgain = 0.0;
float rxgain = 0.0;
uint32_t chan_id = 0;
zap_span_t *span = NULL;
if (argc < 4) {
stream->write_function(stream, "-ERR Usage: oz gains <txgain> <rxgain> <span_id> [<chan_id>]\n");
goto end;
}
zap_span_find_by_name(argv[3], &span);
if (!span) {
stream->write_function(stream, "-ERR invalid span\n");
goto end;
}
if (argc > 4) {
chan_id = atoi(argv[4]);
if (chan_id > span->chan_count) {
stream->write_function(stream, "-ERR invalid chan\n");
goto end;
}
}
i = sscanf(argv[1], "%f", &rxgain);
i += sscanf(argv[2], "%f", &txgain);
if (i != 2) {
stream->write_function(stream, "-ERR invalid gains\n");
goto end;
}
if (chan_id) {
zap_channel_command(span->channels[chan_id], ZAP_COMMAND_SET_RX_GAIN, &rxgain);
zap_channel_command(span->channels[chan_id], ZAP_COMMAND_SET_TX_GAIN, &txgain);
} else {
for (i = 1; i <= (int)span->chan_count; i++) {
zap_channel_command(span->channels[i], ZAP_COMMAND_SET_RX_GAIN, &rxgain);
zap_channel_command(span->channels[i], ZAP_COMMAND_SET_TX_GAIN, &txgain);
}
}
stream->write_function(stream, "+OK gains set to Rx %f and Tx %f\n", rxgain, txgain);
} else if (!strcasecmp(argv[0], "dtmf")) {
int i = 0;
uint32_t chan_id = 0;
zap_span_t *span = NULL;
zap_command_t zapcmd = ZAP_COMMAND_ENABLE_DTMF_DETECT;
if (argc < 3) {
stream->write_function(stream, "-ERR Usage: dtmf on|off <span_id> [<chan_id>]\n");
goto end;
}
if (switch_true(argv[1])) {
zapcmd = ZAP_COMMAND_ENABLE_DTMF_DETECT;
} else {
zapcmd = ZAP_COMMAND_DISABLE_DTMF_DETECT;
}
zap_span_find_by_name(argv[2], &span);
if (!span) {
stream->write_function(stream, "-ERR invalid span\n");
goto end;
}
if (argc > 3) {
chan_id = atoi(argv[3]);
if (chan_id > span->chan_count) {
stream->write_function(stream, "-ERR invalid chan\n");
goto end;
}
}
if (chan_id) {
zap_channel_command(span->channels[chan_id], zapcmd, NULL);
} else {
for (i = 1; i <= (int)span->chan_count; i++) {
zap_channel_command(span->channels[i], zapcmd, NULL);
}
}
stream->write_function(stream, "+OK DTMF detection was %s\n", zapcmd == ZAP_COMMAND_ENABLE_DTMF_DETECT ? "enabled" : "disabled");
} else if (!strcasecmp(argv[0], "trace")) {
char tracepath[255];
int i = 0;
uint32_t chan_id = 0;
zap_span_t *span = NULL;
if (argc < 3) {
stream->write_function(stream, "-ERR Usage: oz trace <path> <span_id> [<chan_id>]\n");
goto end;
}
zap_span_find_by_name(argv[2], &span);
if (!span) {
stream->write_function(stream, "-ERR invalid span\n");
goto end;
}
if (argc > 3) {
chan_id = atoi(argv[3]);
if (chan_id > span->chan_count) {
stream->write_function(stream, "-ERR invalid chan\n");
goto end;
}
}
if (chan_id) {
snprintf(tracepath, sizeof(tracepath), "%s-in-c%d", argv[1], chan_id);
zap_channel_command(span->channels[chan_id], ZAP_COMMAND_TRACE_INPUT, tracepath);
snprintf(tracepath, sizeof(tracepath), "%s-out-c%d", argv[1], chan_id);
zap_channel_command(span->channels[chan_id], ZAP_COMMAND_TRACE_OUTPUT, tracepath);
} else {
for (i = 1; i <= (int)span->chan_count; i++) {
snprintf(tracepath, sizeof(tracepath), "%s-in-c%d", argv[1], i);
zap_channel_command(span->channels[i], ZAP_COMMAND_TRACE_INPUT, tracepath);
snprintf(tracepath, sizeof(tracepath), "%s-out-c%d", argv[1], i);
zap_channel_command(span->channels[i], ZAP_COMMAND_TRACE_OUTPUT, tracepath);
}
}
stream->write_function(stream, "+OK trace enabled with prefix path %s\n", argv[1]);
} else if (!strcasecmp(argv[0], "notrace")) {
uint32_t i = 0;
uint32_t chan_id = 0;
zap_span_t *span = NULL;
if (argc < 2) {
stream->write_function(stream, "-ERR Usage: oz notrace <span_id> [<chan_id>]\n");
goto end;
}
zap_span_find_by_name(argv[1], &span);
if (!span) {
stream->write_function(stream, "-ERR invalid span\n");
goto end;
}
if (argc > 2) {
chan_id = atoi(argv[2]);
if (chan_id > span->chan_count) {
stream->write_function(stream, "-ERR invalid chan\n");
goto end;
}
}
if (chan_id) {
zap_channel_command(span->channels[chan_id], ZAP_COMMAND_TRACE_END_ALL, NULL);
} else {
for (i = 1; i <= (int)span->chan_count; i++) {
zap_channel_command(span->channels[i], ZAP_COMMAND_TRACE_END_ALL, NULL);
}
}
stream->write_function(stream, "+OK trace disabled\n");
} else {
char *rply = zap_api_execute(cmd, NULL);
if (rply) {
stream->write_function(stream, "%s", rply);
free(rply);
} else {
stream->write_function(stream, "-ERR Usage: %s\n", OZ_SYNTAX);
}
}
/*Q931ToPcap enhancement done*/
end:
switch_safe_free(mycmd);
return SWITCH_STATUS_SUCCESS;
}
SWITCH_STANDARD_APP(disable_ec_function)
{
private_t *tech_pvt;
int x = 0;
if (!switch_core_session_check_interface(session, openzap_endpoint_interface)) {
zap_log(ZAP_LOG_ERROR, "This application is only for OpenZAP channels.\n");
return;
}
tech_pvt = switch_core_session_get_private(session);
if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
switch_channel_hangup(switch_core_session_get_channel(session), SWITCH_CAUSE_LOSE_RACE);
return;
}
zap_channel_command(tech_pvt->zchan, ZAP_COMMAND_DISABLE_ECHOCANCEL, &x);
zap_channel_command(tech_pvt->zchan, ZAP_COMMAND_DISABLE_ECHOTRAIN, &x);
zap_log(ZAP_LOG_INFO, "Echo Canceller Disabled\n");
}
SWITCH_STANDARD_APP(disable_dtmf_function)
{
private_t *tech_pvt;
if (!switch_core_session_check_interface(session, openzap_endpoint_interface)) {
zap_log(ZAP_LOG_ERROR, "This application is only for OpenZAP channels.\n");
return;
}
tech_pvt = switch_core_session_get_private(session);
if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
switch_channel_hangup(switch_core_session_get_channel(session), SWITCH_CAUSE_LOSE_RACE);
return;
}
zap_channel_command(tech_pvt->zchan, ZAP_COMMAND_DISABLE_DTMF_DETECT, NULL);
zap_log(ZAP_LOG_INFO, "DTMF detection Disabled in channel %d:%d\n", tech_pvt->zchan->span_id, tech_pvt->zchan->chan_id);
}
SWITCH_STANDARD_APP(enable_dtmf_function)
{
private_t *tech_pvt;
if (!switch_core_session_check_interface(session, openzap_endpoint_interface)) {
zap_log(ZAP_LOG_ERROR, "This application is only for OpenZAP channels.\n");
return;
}
tech_pvt = switch_core_session_get_private(session);
if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
switch_channel_hangup(switch_core_session_get_channel(session), SWITCH_CAUSE_LOSE_RACE);
return;
}
zap_channel_command(tech_pvt->zchan, ZAP_COMMAND_ENABLE_DTMF_DETECT, NULL);
zap_log(ZAP_LOG_INFO, "DTMF detection Enabled in channel %d:%d\n", tech_pvt->zchan->span_id, tech_pvt->zchan->chan_id);
}
SWITCH_MODULE_LOAD_FUNCTION(mod_openzap_load)
{
switch_api_interface_t *commands_api_interface;
switch_application_interface_t *app_interface;
module_pool = pool;
zap_global_set_logger(zap_logger);
zap_cpu_monitor_disable();
if (zap_global_init() != ZAP_SUCCESS) {
zap_log(ZAP_LOG_ERROR, "Error loading OpenZAP\n");
return SWITCH_STATUS_TERM;
}
if (load_config() != SWITCH_STATUS_SUCCESS) {
zap_global_destroy();
return SWITCH_STATUS_TERM;
}
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
openzap_endpoint_interface = switch_loadable_module_create_interface(*module_interface, SWITCH_ENDPOINT_INTERFACE);
openzap_endpoint_interface->interface_name = "openzap";
openzap_endpoint_interface->io_routines = &openzap_io_routines;
openzap_endpoint_interface->state_handler = &openzap_state_handlers;
SWITCH_ADD_API(commands_api_interface, "oz", "OpenZAP commands", oz_function, OZ_SYNTAX);
SWITCH_ADD_APP(app_interface, "disable_ec", "Disable Echo Canceller", "Disable Echo Canceller", disable_ec_function, "", SAF_NONE);
SWITCH_ADD_APP(app_interface, "disable_dtmf", "Disable DTMF Detection", "Disable DTMF Detection", disable_dtmf_function, "", SAF_NONE);
SWITCH_ADD_APP(app_interface, "enable_dtmf", "Enable DTMF Detection", "Enable DTMF Detection", enable_dtmf_function, "", SAF_NONE);
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_openzap_shutdown)
{
zap_global_destroy();
// this breaks pika but they are MIA so *shrug*
//return SWITCH_STATUS_NOUNLOAD;
return SWITCH_STATUS_SUCCESS;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4:
*/