freetdm: remove remaining references to boost (sample code, visual studio project references)

This commit is contained in:
Moises Silva 2011-02-24 19:26:40 -05:00
parent 269906c891
commit 518e034187
8 changed files with 0 additions and 1068 deletions

View File

@ -43,21 +43,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ftmod_wanpipe", "src\ftmod\
{93B8812C-3EC4-4F78-8970-FFBFC99E167D} = {93B8812C-3EC4-4F78-8970-FFBFC99E167D}
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ftmod_sangoma_boost", "src\ftmod\ftmod_sangoma_boost\ftmod_sangoma_boost.2008.vcproj", "{D021EF2A-460D-4827-A0F7-41FDECF46F1B}"
ProjectSection(ProjectDependencies) = postProject
{93B8812C-3EC4-4F78-8970-FFBFC99E167D} = {93B8812C-3EC4-4F78-8970-FFBFC99E167D}
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testboost", "msvc\testboost\testboost.2008.vcproj", "{2B1BAF36-0241-43E7-B865-A8338AD48E2E}"
ProjectSection(ProjectDependencies) = postProject
{93B8812C-3EC4-4F78-8970-FFBFC99E167D} = {93B8812C-3EC4-4F78-8970-FFBFC99E167D}
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testsangomaboost", "msvc\testboost\testsangomaboost.2008.vcproj", "{0DA69C18-4FA1-4E8C-89CE-12498637C5BE}"
ProjectSection(ProjectDependencies) = postProject
{93B8812C-3EC4-4F78-8970-FFBFC99E167D} = {93B8812C-3EC4-4F78-8970-FFBFC99E167D}
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ftmod_sangoma_isdn", "src\ftmod\ftmod_sangoma_isdn\ftmod_sangoma_isdn.2008.vcproj", "{B2AF4EA6-0CD7-4529-9EB5-5AF43DB90395}"
ProjectSection(ProjectDependencies) = postProject
{93B8812C-3EC4-4F78-8970-FFBFC99E167D} = {93B8812C-3EC4-4F78-8970-FFBFC99E167D}

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@ -19,12 +19,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ftmod_pika", "src\ftmod\ftm
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ftmod_wanpipe", "src\ftmod\ftmod_wanpipe\ftmod_wanpipe.2010.vcxproj", "{1A145EE9-BBD8-45E5-98CD-EB4BE99E1DCD}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ftmod_sangoma_boost", "src\ftmod\ftmod_sangoma_boost\ftmod_sangoma_boost.2010.vcxproj", "{D021EF2A-460D-4827-A0F7-41FDECF46F1B}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testboost", "msvc\testboost\testboost.2010.vcxproj", "{2B1BAF36-0241-43E7-B865-A8338AD48E2E}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testsangomaboost", "msvc\testboost\testsangomaboost.2010.vcxproj", "{0DA69C18-4FA1-4E8C-89CE-12498637C5BE}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ftmod_sangoma_isdn", "src\ftmod\ftmod_sangoma_isdn\ftmod_sangoma_isdn.2010.vcxproj", "{B2AF4EA6-0CD7-4529-9EB5-5AF43DB90395}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ftmod_r2", "src\ftmod\ftmod_r2\ftmod_r2.2010.vcxproj", "{08C3EA27-A51D-47F8-B47D-B189C649CF30}"

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@ -4,5 +4,4 @@
CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
PROJECT(sample)
ADD_SUBDIRECTORY(boost)
#ADD_SUBDIRECTORY(sched) FIXME: this code doesnt compile

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@ -1,12 +0,0 @@
#
# Arnaldo M Pereira <arnaldo@sangoma.com>
#
CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
PROJECT(boost)
IF(NOT DEFINED WIN32)
INCLUDE_DIRECTORIES(/usr/local/freeswitch/include)
ADD_DEFINITIONS(-Wall)
ADD_EXECUTABLE(ftdmstart ftdmstart.c)
TARGET_LINK_LIBRARIES(ftdmstart freetdm)
ENDIF(NOT DEFINED WIN32)

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@ -1,10 +0,0 @@
CC=gcc
CFLAGS=-Wall -I/usr/local/freeswitch/include
LDFLAGS=-L/usr/local/freeswitch/lib -lfreetdm
ftdmstart: ftdmstart.o
clean:
rm -rf ftdmstart.o

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@ -1,469 +0,0 @@
/*
* 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: testboostalone <spanno-1> <spanno-2> ... -d [number-to-dial-if-any]
* compile this program linking to the freetdm library (ie -lfreetdm)
**/
#ifndef __linux__
#define _CRT_SECURE_NO_WARNINGS 1
#endif
#include <signal.h>
#include "freetdm.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
/* 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;
/* unique outgoing channel */
static ftdm_channel_t *g_outgoing_channel = NULL;
static void interrupt_requested(int signal)
{
app_running = 0;
}
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)
{
int spanid = ftdm_channel_get_span_id(channel);
int chanid = ftdm_channel_get_id(channel);
ftdm_log(FTDM_LOG_NOTICE, "-- Requesting hangup in channel %d:%d\n", spanid, chanid);
ftdm_channel_call_hangup(channel);
}
/* send answer for an incoming call */
static void send_answer(ftdm_channel_t *channel)
{
/* we move the channel signaling state machine to UP (answered) */
int spanid = ftdm_channel_get_span_id(channel);
int chanid = ftdm_channel_get_id(channel);
ftdm_log(FTDM_LOG_NOTICE, "-- Requesting answer in channel %d:%d\n", spanid, chanid);
ftdm_channel_call_answer(channel);
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) */
int spanid = ftdm_channel_get_span_id(channel);
int chanid = ftdm_channel_get_id(channel);
ftdm_log(FTDM_LOG_NOTICE, "-- Requesting progress\n", spanid, chanid);
ftdm_channel_call_indicate(channel, FTDM_CHANNEL_INDICATE_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, "Incoming call 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, "Progress message 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, "Answer received in channel %d:%d\n", sigmsg->span_id, sigmsg->chan_id);
/* now the channel is answered and we can use
* ftdm_channel_wait() to wait for input/output in a channel (equivalent to poll() or select())
* ftdm_channel_read() to read available data in a channel
* ftdm_channel_write() to write to the channel */
break;
/* This event signals hangup from the other end */
case FTDM_SIGEVENT_STOP:
ftdm_log(FTDM_LOG_NOTICE, "Hangup received in channel %d:%d\n", sigmsg->span_id, sigmsg->chan_id);
if (g_outgoing_channel == sigmsg->channel) {
g_outgoing_channel = NULL;
}
/* release any timer for this channel */
release_timers(sigmsg->channel);
/* acknowledge the hangup */
ftdm_channel_call_hangup(sigmsg->channel);
break;
default:
ftdm_log(FTDM_LOG_WARNING, "Unhandled event %s in channel %d:%d\n", ftdm_signal_event2str(sigmsg->event_id),
sigmsg->span_id, sigmsg->chan_id);
break;
}
return FTDM_SUCCESS;
}
static void place_call(const ftdm_span_t *span, const char *number)
{
ftdm_channel_t *ftdmchan = NULL;
ftdm_caller_data_t caller_data = {{ 0 }};
ftdm_status_t status = FTDM_FAIL;
/* set destiny number */
ftdm_set_string(caller_data.dnis.digits, number);
/* set callerid */
ftdm_set_string(caller_data.cid_name, "testsangomaboost");
ftdm_set_string(caller_data.cid_num.digits, "1234");
/* request to search for an outgoing channel top down with the given caller data.
* it is also an option to use ftdm_channel_open_by_group to let freetdm hunt
* an available channel in a given group instead of per span
* */
status = ftdm_channel_open_by_span(ftdm_span_get_id(span), FTDM_TOP_DOWN, &caller_data, &ftdmchan);
if (status != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_ERROR, "Failed to originate call\n");
return;
}
g_outgoing_channel = ftdmchan;
/* set the caller data for the outgoing channel */
ftdm_channel_set_caller_data(ftdmchan, &caller_data);
status = ftdm_channel_call_place(ftdmchan);
if (status != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_ERROR, "Failed to originate call\n");
return;
}
/* this is required to initialize the outgoing channel */
ftdm_channel_init(ftdmchan);
}
#define ARRLEN(arr) (sizeof(arr)/sizeof(arr[0]))
int main(int argc, char *argv[])
{
/* span names can be any null-terminated string, does not need to be a wanpipe port */
int span_numbers[32];
char span_names[ARRLEN(span_numbers)][ARRLEN(span_numbers)];
const char *spanname = NULL;
char wpchans[25];
unsigned configured = 0;
int i, spanno;
int numspans = 0;
ftdm_status_t status;
ftdm_span_t *span_list[ARRLEN(span_numbers)];
ftdm_span_t *span;
ftdm_channel_config_t chan_config;
ftdm_conf_parameter_t parameters[20];
char *todial = NULL;
int32_t ticks = 0;
/* register a handler to shutdown things properly */
#ifdef _WIN64
// still trying to figure this one out otherwise triggers error
if (signal(SIGINT, interrupt_requested) < 0) {
#else
if (signal(SIGINT, interrupt_requested) == SIG_ERR) {
#endif
fprintf(stderr, "Could not set the SIGINT signal handler: %s\n", strerror(errno));
exit(-1);
}
for (i = 1; i < argc; i++) {
if (argv[i][0] == '-' && argv[i][1] == 'd') {
i++;
if (i >= argc) {
fprintf(stderr, "Error, -d specified but no number to dial!\n");
exit(1);
}
todial = argv[i];
if (!strlen(todial)) {
todial = NULL;
}
printf("Number to dial: %s\n", todial);
continue;
}
spanno = atoi(argv[i]);
span_numbers[numspans] = spanno;
snprintf(span_names[numspans], sizeof(span_names[numspans]), "wanpipe%d", spanno);
numspans++;
}
if (!numspans) {
fprintf(stderr, "please specify a at least 1 wanpipe port number\n");
exit(-1);
}
/* 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);
/* now we can start creating spans */
memset(&chan_config, 0, sizeof(chan_config));
strncpy(chan_config.group_name, "mygroup", sizeof(chan_config.group_name)-1);
chan_config.group_name[sizeof(chan_config.group_name)-1] = 0;
for (i = 0; i < numspans; i++) {
spanname = span_names[i];
/* "wanpipe" is the special I/O identifier for Sangoma devices */
ftdm_log(FTDM_LOG_NOTICE, "Creating span %s\n", spanname);
status = ftdm_span_create("wanpipe", spanname, &span_list[i]);
if (status != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_CRIT, "Failed to create span %s\n", spanname);
goto done;
}
span = span_list[i];
spanno = span_numbers[i];
/* set the trunk type for the span */
ftdm_span_set_trunk_type(span_list[i], FTDM_TRUNK_T1);
/* configure B channels (syntax for wanpipe channels is span:low_chan-high_chan) */
chan_config.type = FTDM_CHAN_TYPE_B;
snprintf(wpchans, sizeof(wpchans), "%d:1-23", spanno);
ftdm_configure_span_channels(span, wpchans, &chan_config, &configured);
ftdm_log(FTDM_LOG_NOTICE, "registered %d b channels\n", configured);
}
/* 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. */
ftdm_log(FTDM_LOG_NOTICE, "FreeTDM loaded ...\n");
/* now we can start configuring signaling for the previously created spans */
for (i = 0; i < numspans; i++) {
spanname = span_names[i];
/* Retrieve a span by name (as specified in ftdm_span_create()) */
if (ftdm_span_find_by_name(spanname, &span) != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_ERROR, "Error finding FreeTDM span %s\n", ftdm_span_get_name(span));
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 = "national";
parameters[2].var = "signalling";
parameters[2].val = "pri_cpe";
/*
* parameters[3].var = "nfas_primary";
* parameters[3].val = "4"; //span number
*
* parameters[4].var = "nfas_secondary";
* parameters[4].val = "2"; //span number
*
* parameters[5].var = "nfas_group";
* parameters[5].val = "1";
* */
/* 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(span, "sangoma_boost", on_signaling_event, parameters) != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_ERROR, "Error configuring sangoma_boost signaling abstraction in span %s\n", ftdm_span_get_name(span));
goto done;
}
}
/* configuration succeeded, we can proceed now to start each 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.
* */
for (i = 0; i < numspans; i++) {
spanname = span_names[i];
/* Retrieve a span by name (as specified in ftdm_span_create()) */
if (ftdm_span_find_by_name(spanname, &span) != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_ERROR, "Error finding FreeTDM span %s\n", ftdm_span_get_name(span));
goto done;
}
if (ftdm_span_start(span) != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_ERROR, "Failing starting signaling on span %s\n", ftdm_span_get_name(span));
goto done;
}
}
app_running = 1;
/* Retrieve the first created span to place the call (if dialing was specified) */
if (ftdm_span_find(1, &span) != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_ERROR, "Error finding FreeTDM span 1\n");
goto done;
}
/* The application thread can go on and do anything else, like waiting for a shutdown signal */
while(ftdm_running() && app_running) {
ftdm_sleep(1000);
run_timers();
ticks++;
if (!(ticks % 10) && todial && !g_outgoing_channel) {
ftdm_log(FTDM_LOG_NOTICE, "Originating call to number %s\n", todial);
place_call(span, todial);
}
}
done:
ftdm_log(FTDM_LOG_NOTICE, "Shutting down FreeTDM ...\n");
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();
printf("Terminated!\n");
sleep(2);
exit(0);
}
/* 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:
*/

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@ -1,83 +0,0 @@
#include "freetdm.h"
#include <stdlib.h>
static FIO_SIGNAL_CB_FUNCTION(on_signal)
{
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");
exit(-1);
}
#endif
if (ftdm_global_init() != FTDM_SUCCESS) {
fprintf(stderr, "Error loading FreeTDM\n");
exit(-1);
}
if (ftdm_global_configuration() != FTDM_SUCCESS) {
fprintf(stderr, "Error configuring FreeTDM\n");
exit(-1);
}
printf("FreeTDM loaded\n");
if (ftdm_span_find_by_name("wp1", &span) != FTDM_SUCCESS) {
fprintf(stderr, "Error finding FreeTDM span %s\n", argv[1]);
goto done;
}
parameters[0].var = "sigmod";
parameters[0].val = "sangoma_prid";
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(span, "sangoma_boost", on_signal, parameters) == FTDM_SUCCESS) {
ftdm_span_start(span);
} else {
fprintf(stderr, "Error starting SS7_BOOST\n");
goto done;
}
while(ftdm_running() && R) {
ftdm_sleep(1 * 1000);
}
done:
ftdm_global_destroy();
return 0;
}
/* 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:
*/

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@ -1,472 +0,0 @@
/*
* 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)
**/
#ifndef __linux__
#define _CRT_SECURE_NO_WARNINGS 1
#endif
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "freetdm.h"
/* 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;
/* mutex to protect the channel */
static ftdm_mutex_t *g_channel_mutex;
/* unique outgoing channel */
static ftdm_channel_t *g_outgoing_channel = NULL;
static void interrupt_requested(int signal)
{
app_running = 0;
}
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)
{
char dtmfbuff[100];
int rc;
int spanid = ftdm_channel_get_span_id(channel);
int chanid = ftdm_channel_get_id(channel);
rc = ftdm_channel_dequeue_dtmf(channel, dtmfbuff, sizeof(dtmfbuff));
if (rc) {
ftdm_log(FTDM_LOG_NOTICE, "Not hanging up channel %d:%d because has DTMF: %s\n", spanid, chanid, dtmfbuff);
schedule_timer(channel, HANGUP_TIMER, send_hangup);
return;
}
ftdm_log(FTDM_LOG_NOTICE, "-- Requesting hangup in channel %d:%d\n", spanid, chanid);
ftdm_channel_call_hangup(channel);
}
/* send answer for an incoming call */
static void send_answer(ftdm_channel_t *channel)
{
/* we move the channel signaling state machine to UP (answered) */
int spanid = ftdm_channel_get_span_id(channel);
int chanid = ftdm_channel_get_id(channel);
ftdm_log(FTDM_LOG_NOTICE, "-- Requesting answer in channel %d:%d\n", spanid, chanid);
ftdm_channel_call_answer(channel);
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) */
int spanid = ftdm_channel_get_span_id(channel);
int chanid = ftdm_channel_get_id(channel);
ftdm_log(FTDM_LOG_NOTICE, "-- Requesting progress\n", spanid, chanid);
ftdm_channel_call_indicate(channel, FTDM_CHANNEL_INDICATE_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, "Incoming call 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, "Progress message 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, "Answer received in channel %d:%d\n", sigmsg->span_id, sigmsg->chan_id);
ftdm_channel_command(sigmsg->channel, FTDM_COMMAND_ENABLE_DTMF_DETECT, NULL);
/* now the channel is answered and we can use
* ftdm_channel_wait() to wait for input/output in a channel (equivalent to poll() or select())
* ftdm_channel_read() to read available data in a channel
* ftdm_channel_write() to write to the channel */
break;
/* This event signals hangup from the other end */
case FTDM_SIGEVENT_STOP:
ftdm_log(FTDM_LOG_NOTICE, "Hangup received in channel %d:%d\n", sigmsg->span_id, sigmsg->chan_id);
ftdm_mutex_lock(g_channel_mutex);
if (g_outgoing_channel == sigmsg->channel) {
g_outgoing_channel = NULL;
}
ftdm_mutex_unlock(g_channel_mutex);
/* release any timer for this channel */
release_timers(sigmsg->channel);
/* acknowledge the hangup */
ftdm_channel_call_hangup(sigmsg->channel);
break;
default:
ftdm_log(FTDM_LOG_WARNING, "Unhandled event %s in channel %d:%d\n", ftdm_signal_event2str(sigmsg->event_id),
sigmsg->span_id, sigmsg->chan_id);
break;
}
return FTDM_SUCCESS;
}
static void place_call(const ftdm_span_t *span, const char *number)
{
ftdm_channel_t *ftdmchan = NULL;
ftdm_caller_data_t caller_data = {{ 0 }};
ftdm_status_t status = FTDM_FAIL;
/* set destiny number */
ftdm_set_string(caller_data.dnis.digits, number);
/* set callerid */
ftdm_set_string(caller_data.cid_name, "testsangomaboost");
ftdm_set_string(caller_data.cid_num.digits, "1234");
/* request to search for an outgoing channel top down with the given caller data.
* it is also an option to use ftdm_channel_open_by_group to let freetdm hunt
* an available channel in a given group instead of per span
* */
status = ftdm_channel_open_by_span(ftdm_span_get_id(span), FTDM_TOP_DOWN, &caller_data, &ftdmchan);
if (status != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_ERROR, "Failed to originate call\n");
return;
}
ftdm_mutex_lock(g_channel_mutex);
g_outgoing_channel = ftdmchan;
ftdm_mutex_unlock(g_channel_mutex);
/* set the caller data for the outgoing channel */
ftdm_channel_set_caller_data(ftdmchan, &caller_data);
status = ftdm_channel_call_place(ftdmchan);
if (status != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_ERROR, "Failed to originate call\n");
return;
}
/* this is required to initialize the outgoing channel */
ftdm_channel_init(ftdmchan);
}
static void *media_thread(ftdm_thread_t *th, void *data)
{
/* The application thread can go on and do anything else, like waiting for a shutdown signal */
ftdm_wait_flag_t flags = FTDM_NO_FLAGS;
ftdm_status_t status;
ftdm_channel_t *chan;
char iobuff[160];
char dnis_str[] = "1234";
int tx_dtmf = 0;
ftdm_size_t datalen = 0;
memset(iobuff, 0, sizeof(iobuff));
while(ftdm_running() && app_running) {
ftdm_mutex_lock(g_channel_mutex);
chan = g_outgoing_channel;
ftdm_mutex_unlock(g_channel_mutex);
if (chan && tx_dtmf) {
flags = FTDM_WRITE | FTDM_READ;
ftdm_channel_wait(chan, &flags, 100);
if (flags & FTDM_WRITE) {
datalen = sizeof(iobuff);
status = ftdm_channel_write(chan, iobuff, datalen, &datalen);
if (status != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_ERROR, "writing to channel failed\n");
}
}
if (flags & FTDM_READ) {
datalen = sizeof(iobuff);
status = ftdm_channel_read(chan, iobuff, &datalen);
if (status != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_ERROR, "reading from channel failed\n");
}
}
} else if (chan && ftdm_channel_call_check_answered(chan)) {
ftdm_log(FTDM_LOG_NOTICE, "Transmitting DNIS %s\n", dnis_str);
ftdm_channel_command(g_outgoing_channel, FTDM_COMMAND_SEND_DTMF, dnis_str);
tx_dtmf = 1;
} else {
tx_dtmf = 0;
ftdm_sleep(100);
}
}
printf("Shutting down media thread ...\n");
return NULL;
}
int main(int argc, char *argv[])
{
ftdm_conf_parameter_t parameters[20];
ftdm_span_t *span;
char *todial = NULL;
const char *sigtype = NULL;
int32_t ticks = 0;
if (argc < 3) {
fprintf(stderr, "Usage: %s <span name> <cpe|net> [number to dial if any]\n", argv[0]);
exit(-1);
}
/* register a handler to shutdown things properly */
#ifdef _WIN64
// still trying to figure this one out otherwise triggers error
if (signal(SIGINT, interrupt_requested) < 0) {
#else
if (signal(SIGINT, interrupt_requested) == SIG_ERR) {
#endif
fprintf(stderr, "Could not set the SIGINT signal handler: %s\n", strerror(errno));
exit(-1);
}
if (!strcmp(argv[2], "cpe")) {
sigtype = "pri_cpe";
} else if (!strcmp(argv[2], "net")) {
sigtype = "pri_net";
} else {
fprintf(stderr, "Valid signaling types are cpe and net only\n");
exit(-1);
}
printf("Using signalling %s\n", sigtype);
if (argc >= 4) {
todial = argv[3];
if (!strlen(todial)) {
todial = NULL;
}
}
/* 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 and channel mutex */
ftdm_mutex_create(&g_schedule_mutex);
ftdm_mutex_create(&g_channel_mutex);
/* Load the FreeTDM configuration */
if (ftdm_global_configuration() != FTDM_SUCCESS) {
fprintf(stderr, "Error configuring FreeTDM\n");
exit(-1);
}
/* 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");
/* 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 = "national";
parameters[2].var = "signalling";
parameters[2].val = sigtype;
/*
* parameters[3].var = "nfas_primary";
* parameters[3].val = "4"; //span number
*
* parameters[4].var = "nfas_secondary";
* parameters[4].val = "2"; //span number
*
* parameters[5].var = "nfas_group";
* parameters[5].val = "1";
* */
/* 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(span, "sangoma_boost", on_signaling_event, parameters) != FTDM_SUCCESS) {
fprintf(stderr, "Error configuring sangoma_boost signaling abstraction in span %s\n", ftdm_span_get_name(span));
goto done;
}
/* 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);
if (ftdm_thread_create_detached(media_thread, NULL) != FTDM_SUCCESS){
fprintf(stderr, "Error launching media thread\n");
goto done;
}
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(1000);
run_timers();
ticks++;
if (!(ticks % 10) && todial && !g_outgoing_channel) {
ftdm_log(FTDM_LOG_NOTICE, "Originating call to number %s\n", todial);
place_call(span, todial);
}
}
printf("Shutting down FreeTDM ...\n");
done:
ftdm_mutex_destroy(&g_schedule_mutex);
ftdm_mutex_destroy(&g_channel_mutex);
/* whenever you're done, this function will shutdown the signaling threads in any span that was started */
ftdm_global_destroy();
return 0;
}
/* 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:
*/