int AmSdp::getDynPayload(const string& name, int rate)
{
AmPlugIn* pi = AmPlugIn::instance();
const map<int, amci_payload_t*>& ref_payloads = pi->getPayloads();
for(map<int, amci_payload_t*>::const_iterator pl_it = ref_payloads.begin();
pl_it != ref_payloads.end(); ++pl_it)
if( (name == pl_it->second->name)
&& (rate == pl_it->second->sample_rate) )
return pl_it->first;
return -1;
}
int AmSdp::genRequest(const string& localip,int localport, string& out_buf)
{
AmPlugIn* plugin = AmPlugIn::instance();
const map<int,amci_payload_t*>& payloads = plugin->getPayloads();
const map<int,int>& payload_order = plugin->getPayloadOrder();
if(payloads.empty()){
ERROR("no payload plugin loaded.\n");
return -1;
}
string l_ip = "IP4 " + localip;
#ifdef SUPPORT_IPV6
if(localip.find('.') == string::npos)
l_ip = "IP6 " + localip;
#endif
out_buf =
"v=0\r\n"
"o=username 0 0 IN " + l_ip + "\r\n"
"s=session\r\n"
"c=IN " + l_ip + "\r\n"
"t=0 0\r\n"
"m=audio " + int2str(localport) + " RTP/AVP ";
map<int,int>::const_iterator it = payload_order.begin();
out_buf += int2str((it++)->second);
for(; it != payload_order.end(); ++it)
out_buf += string(" ") + int2str(it->second);
out_buf += "\r\n";
for (it = payload_order.begin(); it != payload_order.end(); ++it) {
map<int,amci_payload_t*>::const_iterator it2 = payloads.find(it->second);
if (it2 != payloads.end()) {
out_buf += "a=rtpmap:" + int2str(it2->first)
+ " " + string(it2->second->name)
+ "/" + int2str(it2->second->sample_rate)
+ "\r\n";
} else {
ERROR("Payload %d was not found in payloads map!\n", it->second);
return -1;
}
}
return 0;
}
const vector<SdpPayload *>& AmSdp::getCompatiblePayloads(int media_type, string& addr, int& port)
{
vector<SdpMedia>::iterator m_it;
SdpPayload *payload;
sup_pl.clear();
AmPlugIn* pi = AmPlugIn::instance();
for( m_it = media.begin(); m_it != media.end(); ++m_it ){
if( (media_type != m_it->type) )
continue;
vector<SdpPayload>::iterator it = m_it->payloads.begin();
for(; it != m_it->payloads.end(); ++it ) {
amci_payload_t* a_pl = NULL;
if(it->payload_type < DYNAMIC_PAYLOAD_TYPE_START){
// try static payloads
a_pl = pi->payload(it->payload_type);
}
if( a_pl ) {
payload = &(*it);
payload->int_pt = a_pl->payload_id;
payload->encoding_name = a_pl->name;
payload->clock_rate = a_pl->sample_rate;
sup_pl.push_back(payload);
}
else {
// Try dynamic payloads
// and give a chance to broken
// implementation using a static payload number
// for dynamic ones.
if(it->encoding_name == "telephone-event")
continue;
int int_pt = getDynPayload(it->encoding_name,
it->clock_rate);
if(int_pt != -1){
payload = &(*it);
payload->int_pt = int_pt;
sup_pl.push_back(payload);
}
}
}
if (sup_pl.size() > 0)
{
if (m_it->conn.address.empty())
{
DBG("using global address: %s\n",conn.address.c_str());
addr = conn.address;
}
else {
DBG("using media specific address: %s\n",m_it->conn.address.c_str());
addr = m_it->conn.address;
}
if(m_it->dir == SdpMedia::DirActive)
remote_active = true;
port = (int)m_it->port;
}
break;
}
return sup_pl;
}
/**
* Loads python script path and default script file from configuration file
*/
int IvrFactory::onLoad()
{
if(cfg.loadFile(add2path(AmConfig::ModConfigPath,1,MOD_NAME ".conf")))
return -1;
// get application specific global parameters
configureModule(cfg);
//setScriptPath(cfg.getParameter("script_path"));
string script_path = cfg.getParameter("script_path");
init_python_interpreter(script_path);
DBG("** IVR compile time configuration:\n");
DBG("** built with PYTHON support.\n");
#ifdef IVR_WITH_TTS
DBG("** Text-To-Speech enabled\n");
#else
DBG("** Text-To-Speech disabled\n");
#endif
DBG("** IVR run time configuration:\n");
DBG("** script path: \'%s\'\n", script_path.c_str());
regex_t reg;
if(regcomp(®,PYFILE_REGEX,REG_EXTENDED)){
ERROR("while compiling regular expression\n");
return -1;
}
DIR* dir = opendir(script_path.c_str());
if(!dir){
regfree(®);
ERROR("Ivr: script pre-loader (%s): %s\n",
script_path.c_str(),strerror(errno));
return -1;
}
DBG("directory '%s' opened\n",script_path.c_str());
std::set<string> unique_entries;
regmatch_t pmatch[2];
struct dirent* entry=0;
while((entry = readdir(dir)) != NULL){
if(!regexec(®,entry->d_name,2,pmatch,0)){
string name(entry->d_name + pmatch[1].rm_so,
pmatch[1].rm_eo - pmatch[1].rm_so);
unique_entries.insert(name);
}
}
closedir(dir);
regfree(®);
AmPlugIn* plugin = AmPlugIn::instance();
for(std::set<string>::iterator it = unique_entries.begin();
it != unique_entries.end(); it++) {
if(loadScript(*it)){
bool res = plugin->registerFactory4App(*it,this);
if(res)
INFO("Application script registered: %s.\n",
it->c_str());
}
}
if(cfg.hasParameter("enable_session_timer") &&
(cfg.getParameter("enable_session_timer") == string("yes")) ){
DBG("enabling session timers\n");
session_timer_f = AmPlugIn::instance()->getFactory4Seh("session_timer");
if(session_timer_f == NULL){
ERROR("Could not load the session_timer module: disabling session timers.\n");
}
}
start_deferred_threads();
return 0; // don't stop sems from starting up
}
/**
* Loads python script path and default script file from configuration file
*/
int PySemsFactory::onLoad()
{
user_timer_fact = AmPlugIn::instance()->getFactory4Di("user_timer");
if(!user_timer_fact){
ERROR("could not load user_timer from session_timer plug-in\n");
return -1;
}
AmConfigReader cfg;
if(cfg.loadFile(add2path(AmConfig::ModConfigPath,1,MOD_NAME ".conf")))
return -1;
// get application specific global parameters
configureModule(cfg);
string script_path = cfg.getParameter("script_path");
init_python_interpreter(script_path);
#ifdef PY_SEMS_WITH_TTS
DBG("** PY_SEMS Text-To-Speech enabled\n");
#else
DBG("** PY_SEMS Text-To-Speech disabled\n");
#endif
DBG("** PY_SEMS script path: \'%s\'\n", script_path.c_str());
regex_t reg;
if(regcomp(®,PYFILE_REGEX,REG_EXTENDED)){
ERROR("while compiling regular expression\n");
return -1;
}
DIR* dir = opendir(script_path.c_str());
if(!dir){
regfree(®);
ERROR("PySems: script pre-loader (%s): %s\n",
script_path.c_str(),strerror(errno));
return -1;
}
DBG("directory '%s' opened\n",script_path.c_str());
set<string> unique_entries;
regmatch_t pmatch[2];
struct dirent* entry=0;
while((entry = readdir(dir)) != NULL){
if(!regexec(®,entry->d_name,2,pmatch,0)){
string name(entry->d_name + pmatch[1].rm_so,
pmatch[1].rm_eo - pmatch[1].rm_so);
unique_entries.insert(name);
}
}
closedir(dir);
regfree(®);
AmPlugIn* plugin = AmPlugIn::instance();
for(set<string>::iterator it = unique_entries.begin();
it != unique_entries.end(); it++) {
if(loadScript(*it)){
bool res = plugin->registerFactory4App(*it,this);
if(res)
INFO("Application script registered: %s.\n",
it->c_str());
}
}
return 0; // don't stop sems from starting up
}
