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improve sangoma boost test 

git-svn-id: http://svn.openzap.org/svn/openzap/branches/sangoma_boost@1006 a93c3328-9c30-0410-af19-c9cd2b2d52af
This commit is contained in:
Moises Silva 2010-01-28 16:50:34 +00:00
parent 448d2e8566
commit 0979265548
3 changed files with 245 additions and 29 deletions
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6
libs/freetdm/src/ftdm_io.c
View File

@ -976,6 +976,12 @@ FT_DECLARE(ftdm_status_t) ftdm_channel_set_state(ftdm_channel_t *ftdmchan, ftdm_
}
}
if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_STATE_CHANGE)) {
ftdm_log(FTDM_LOG_WARNING, "Ignored state change request from %s to %s, the previous state change has not been processed yet\n",
ftdm_channel_state2str(ftdmchan->state), ftdm_channel_state2str(state));
return FTDM_FAIL;
}
if (lock) {
ftdm_mutex_lock(ftdmchan->mutex);
}

9
libs/freetdm/src/include/freetdm.h
View File

@ -276,6 +276,15 @@ extern "C" {
else ftdm_log(FTDM_LOG_WARNING, "VETO Changing state on %d:%d from %s to %s\n", obj->span_id, obj->chan_id, ftdm_channel_state2str(st), ftdm_channel_state2str(s)); \
}
#define ftdm_set_state(obj, s) if ( obj->state == s ) { \
ftdm_log(FTDM_LOG_WARNING, "Why bother changing state on %d:%d from %s to %s\n", obj->span_id, obj->chan_id, ftdm_channel_state2str(obj->state), ftdm_channel_state2str(s)); \
} else if (ftdm_test_flag(obj, FTDM_CHANNEL_READY)) { \
ftdm_channel_state_t st = obj->state; \
ftdm_channel_set_state(obj, s, 0); \
if (obj->state == s) ftdm_log(FTDM_LOG_DEBUG, "Changing state on %d:%d from %s to %s\n", obj->span_id, obj->chan_id, ftdm_channel_state2str(st), ftdm_channel_state2str(s)); \
else ftdm_log(FTDM_LOG_WARNING, "VETO Changing state on %d:%d from %s to %s\n", obj->span_id, obj->chan_id, ftdm_channel_state2str(st), ftdm_channel_state2str(s)); \
}
#ifdef _MSC_VER
/* The while(0) below throws a conditional expression is constant warning */
#pragma warning(disable:4127)

255
libs/freetdm/src/testboost.c
View File

@ -1,70 +1,271 @@
/*
* Copyright (c) 2010, Sangoma Technologies
* Moises Silva <moy@sangoma.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of the original author; nor the names of any contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Sample program for the boost signaling absraction.
* Usage: boostsample <span name>
* The span name must be a valid span defined in freetdm.conf
* compile this program linking to the freetdm library (ie -lfreetdm)
**/
#include "freetdm.h"
static FIO_SIGNAL_CB_FUNCTION(on_signal)
/* arbitrary limit for max calls in this sample program */
#define MAX_CALLS 255
/* some timers (in seconds) to fake responses in incoming calls */
#define PROGRESS_TIMER 1
#define ANSWER_TIMER 5
#define HANGUP_TIMER 15
/* simple variable used to stop the application */
static int app_running = 0;
typedef void (*expired_function_t)(ftdm_channel_t *channel);
typedef struct dummy_timer_s {
int time;
ftdm_channel_t *channel;
expired_function_t expired;
} dummy_timer_t;
/* dummy second resolution timers */
static dummy_timer_t g_timers[MAX_CALLS];
/* mutex to protect the timers (both, the test thread and the signaling thread may modify them) */
static ftdm_mutex_t *g_schedule_mutex;
static void schedule_timer(ftdm_channel_t *channel, int sec, expired_function_t expired)
{
int i;
ftdm_mutex_lock(g_schedule_mutex);
for (i = 0; i < sizeof(g_timers)/sizeof(g_timers[0]); i++) {
/* check the timer slot is free to use */
if (!g_timers[i].time) {
g_timers[i].time = sec;
g_timers[i].channel = channel;
g_timers[i].expired = expired;
ftdm_mutex_unlock(g_schedule_mutex);
return;
}
}
ftdm_log(FTDM_LOG_ERROR, "Failed to schedule timer\n");
ftdm_mutex_unlock(g_schedule_mutex);
}
static void run_timers(void)
{
int i;
void *channel;
expired_function_t expired_func = NULL;
ftdm_mutex_lock(g_schedule_mutex);
for (i = 0; i < sizeof(g_timers)/sizeof(g_timers[0]); i++) {
/* if there's time left, decrement */
if (g_timers[i].time) {
g_timers[i].time--;
}
/* if time expired and we have an expired function, call it */
if (!g_timers[i].time && g_timers[i].expired) {
expired_func = g_timers[i].expired;
channel = g_timers[i].channel;
memset(&g_timers[i], 0, sizeof(g_timers[i]));
expired_func(channel);
}
}
ftdm_mutex_unlock(g_schedule_mutex);
}
static void release_timers(ftdm_channel_t *channel)
{
int i;
ftdm_mutex_lock(g_schedule_mutex);
for (i = 0; i < sizeof(g_timers)/sizeof(g_timers[0]); i++) {
/* clear any timer belonging to the given channel */
if (g_timers[i].channel == channel) {
memset(&g_timers[i], 0, sizeof(g_timers[i]));
}
}
ftdm_mutex_unlock(g_schedule_mutex);
}
/* hangup the call */
static void send_hangup(ftdm_channel_t *channel)
{
ftdm_log(FTDM_LOG_NOTICE, "-- Requesting hangup in channel %d:%d\n", channel->span_id, channel->chan_id);
ftdm_set_state_locked(channel, FTDM_CHANNEL_STATE_HANGUP);
}
/* send answer for an incoming call */
static void send_answer(ftdm_channel_t *channel)
{
/* we move the channel signaling state machine to UP (answered) */
ftdm_log(FTDM_LOG_NOTICE, "-- Requesting answer in channel %d:%d\n", channel->span_id, channel->chan_id);
ftdm_set_state_locked(channel, FTDM_CHANNEL_STATE_UP);
schedule_timer(channel, HANGUP_TIMER, send_hangup);
}
/* send progress for an incoming */
static void send_progress(ftdm_channel_t *channel)
{
/* we move the channel signaling state machine to UP (answered) */
ftdm_log(FTDM_LOG_NOTICE, "-- Requesting progress\n", channel->span_id, channel->chan_id);
ftdm_set_state_locked(channel, FTDM_CHANNEL_STATE_PROGRESS);
schedule_timer(channel, ANSWER_TIMER, send_answer);
}
/* This function will be called in an undetermined signaling thread, you must not do
* any blocking operations here or the signaling stack may delay other call event processing
* The arguments for this function are defined in FIO_SIGNAL_CB_FUNCTION prototype, I just
* name them here for your convenience:
* ftdm_sigmsg_t *sigmsg
* - The sigmsg structure contains the ftdm_channel structure that represents the channel where
* the event occurred and the event_id of the signaling event that just occurred.
* */
static FIO_SIGNAL_CB_FUNCTION(on_signaling_event)
{
switch (sigmsg->event_id) {
/* This event signals the start of an incoming call */
case FTDM_SIGEVENT_START:
ftdm_log(FTDM_LOG_NOTICE, "FTDM_SIGEVENT_START received in channel %d:%d\n", sigmsg->span_id, sigmsg->chan_id);
schedule_timer(sigmsg->channel, PROGRESS_TIMER, send_progress);
break;
/* This event signals progress on an outgoing call */
case FTDM_SIGEVENT_PROGRESS_MEDIA:
ftdm_log(FTDM_LOG_NOTICE, "FTDM_SIGEVENT_PROGRESS_MEDIA received in channel %d:%d\n", sigmsg->span_id, sigmsg->chan_id);
break;
/* This event signals answer in an outgoing call */
case FTDM_SIGEVENT_UP:
ftdm_log(FTDM_LOG_NOTICE, "FTDM_SIGEVENT_UP received in channel %d:%d\n", sigmsg->span_id, sigmsg->chan_id);
break;
/* This event signals hangup from the other end */
case FTDM_SIGEVENT_STOP:
ftdm_log(FTDM_LOG_NOTICE, "FTDM_SIGEVENT_STOP received in channel %d:%d\n", sigmsg->span_id, sigmsg->chan_id);
/* release any timer for this channel */
release_timers(sigmsg->channel);
break;
default:
break;
}
return FTDM_FAIL;
}
static int R = 0;
#if 0
static void handle_SIGINT(int sig)
{
if (sig);
R = 0;
return;
}
#endif
int main(int argc, char *argv[])
{
ftdm_conf_parameter_t parameters[20];
ftdm_span_t *span;
int local_port, remote_port;
local_port = remote_port = 53000;
ftdm_global_set_default_logger(FTDM_LOG_LEVEL_DEBUG);
#if 0
if (argc < 2) {
printf("invalid arguments\n");
fprintf(stderr, "Usage: boostsample <span name>\n");
exit(-1);
}
#endif
/* clear any outstanding timers */
memset(&g_timers, 0, sizeof(g_timers));
/* set the logging level to use */
ftdm_global_set_default_logger(FTDM_LOG_LEVEL_DEBUG);
/* Initialize the FTDM library */
if (ftdm_global_init() != FTDM_SUCCESS) {
fprintf(stderr, "Error loading FreeTDM\n");
exit(-1);
}
/* create the schedule mutex */
ftdm_mutex_create(&g_schedule_mutex);
/* Load the FreeTDM configuration */
if (ftdm_global_configuration() != FTDM_SUCCESS) {
fprintf(stderr, "Error configuring FreeTDM\n");
exit(-1);
}
printf("FreeTDM loaded\n");
/* At this point FreeTDM is ready to be used, the spans defined in freetdm.conf have the basic I/O board configuration
* but no telephony signaling configuration at all. */
printf("FreeTDM loaded ...\n");
if (ftdm_span_find_by_name("wp1", &span) != FTDM_SUCCESS) {
/* Retrieve a span by name (according to freetdm.conf) */
if (ftdm_span_find_by_name(argv[1], &span) != FTDM_SUCCESS) {
fprintf(stderr, "Error finding FreeTDM span %s\n", argv[1]);
goto done;
}
/* prepare the configuration parameters that will be sent down to the signaling stack, the array of paramters must be terminated by an
* array element with a null .var member */
/* for sangoma_boost signaling (abstraction signaling used by Sangoma for PRI, BRI and SS7) the first parameter you must send
* is sigmod, which must be either sangoma_prid, if you have the PRI stack available, or sangoma_brid for the BRI stack */
parameters[0].var = "sigmod";
parameters[0].val = "sangoma_prid";
/* following parameters are signaling stack specific, this ones are for PRI */
parameters[1].var = "switchtype";
parameters[1].val = "euroisdn";
parameters[1].var = "signalling";
parameters[1].val = "pri_cpe";
parameters[2].var = NULL;
if (ftdm_configure_span_signaling("sangoma_boost", span, on_signal, parameters) == FTDM_SUCCESS) {
ftdm_span_start(span);
} else {
fprintf(stderr, "Error starting SS7_BOOST\n");
parameters[2].var = "signalling";
parameters[2].val = "pri_cpe";
/* the last parameter .var member must be NULL! */
parameters[3].var = NULL;
/* send the configuration values down to the stack */
if (ftdm_configure_span_signaling("sangoma_boost", span, on_signaling_event, parameters) != FTDM_SUCCESS) {
fprintf(stderr, "Error configuring sangoma_boost signaling abstraction in span %s\n", span->name);
goto done;
}
while(ftdm_running() && R) {
/* configuration succeeded, we can proceed now to start the span
* This step will launch at least 1 background (may be more, depending on the signaling stack used)
* to handle *ALL* signaling events for this span, your on_signaling_event callback will be called always
* in one of those infraestructure threads and you MUST NOT block in that handler to avoid delays and errors
* in the signaling processing for any call.
* */
ftdm_span_start(span);
app_running = 1;
/* The application thread can go on and do anything else, like waiting for a shutdown signal */
while(ftdm_running() && app_running) {
ftdm_sleep(1 * 1000);
run_timers();
}
done:
ftdm_mutex_destroy(&g_schedule_mutex);
/* whenever you're done, this function will shutdown the signaling threads in any span that was started */
ftdm_global_destroy();
return 0;