// outgoing call
AmSession* DSMFactory::onInvite(const AmSipRequest& req,
AmArg& session_params)
{
string start_diag;
if (req.cmd == MOD_NAME) {
if (OutboundStartDiag.empty()) {
ERROR("no outbound calls allowed\n");
throw AmSession::Exception(488, "Not Acceptable Here");
}
} else {
start_diag = req.cmd;
}
UACAuthCred* cred = NULL;
map<string, string> vars;
// Creds
if (session_params.getType() == AmArg::AObject) {
ArgObject* cred_obj = session_params.asObject();
if (cred_obj)
cred = dynamic_cast<UACAuthCred*>(cred_obj);
} else if (session_params.getType() == AmArg::Array) {
DBG("session params is array - size %d\n", session_params.size());
// Creds
if (session_params.get(0).getType() == AmArg::AObject) {
ArgObject* cred_obj = session_params.get(0).asObject();
if (cred_obj)
cred = dynamic_cast<UACAuthCred*>(cred_obj);
}
// Creds + vars
if (session_params.size()>1 &&
session_params.get(1).getType() == AmArg::Struct) {
AmArg2DSMStrMap(session_params.get(1), vars);
}
} else if (session_params.getType() == AmArg::Struct) {
// vars
AmArg2DSMStrMap(session_params, vars);
}
DSMScriptConfig call_config;
ScriptConfigs_mut.lock();
map<string, DSMScriptConfig>::iterator sc=ScriptConfigs.find(start_diag);
if (sc == ScriptConfigs.end())
call_config = MainScriptConfig;
else
call_config = sc->second;
DSMCall* s = new DSMCall(call_config, &prompts, *call_config.diags, start_diag, cred);
ScriptConfigs_mut.unlock();
prepareSession(s);
addVariables(s, "config.", call_config.config_vars);
if (!vars.empty())
addVariables(s, "", vars);
if (call_config.SetParamVariables)
addParams(s, req.hdrs);
if (NULL == cred) {
WARN("discarding unknown session parameters.\n");
} else {
AmSessionEventHandlerFactory* uac_auth_f =
AmPlugIn::instance()->getFactory4Seh("uac_auth");
if (uac_auth_f != NULL) {
DBG("UAC Auth enabled for new DSM session.\n");
AmSessionEventHandler* h = uac_auth_f->getHandler(s);
if (h != NULL )
s->addHandler(h);
} else {
ERROR("uac_auth interface not accessible. "
"Load uac_auth for authenticated dialout.\n");
}
}
return s;
}
// outgoing call
AmSession* DSMFactory::onInvite(const AmSipRequest& req, const string& app_name,
AmArg& session_params)
{
string start_diag;
if (app_name == MOD_NAME) {
if (OutboundStartDiag.empty()) {
ERROR("no outbound calls allowed\n");
throw AmSession::Exception(488, "Not Acceptable Here");
}
} else {
start_diag = app_name;
}
UACAuthCred* cred = NULL;
map<string, string> vars;
// Creds
if (session_params.getType() == AmArg::AObject) {
AmObject* cred_obj = session_params.asObject();
if (cred_obj)
cred = dynamic_cast<UACAuthCred*>(cred_obj);
} else if (session_params.getType() == AmArg::Array) {
DBG("session params is array - size %zd\n", session_params.size());
// Creds
cred = AmUACAuth::unpackCredentials(session_params.get(0));
// Creds + vars
if (session_params.size()>1 &&
session_params.get(1).getType() == AmArg::Struct) {
AmArg2DSMStrMap(session_params.get(1), vars);
}
} else if (session_params.getType() == AmArg::Struct) {
// vars
AmArg2DSMStrMap(session_params, vars);
}
DSMScriptConfig call_config;
ScriptConfigs_mut.lock();
map<string, DSMScriptConfig>::iterator sc=ScriptConfigs.find(start_diag);
if (sc == ScriptConfigs.end())
call_config = MainScriptConfig;
else
call_config = sc->second;
DSMCall* s = new DSMCall(call_config, &prompts, *call_config.diags, start_diag, cred);
ScriptConfigs_mut.unlock();
prepareSession(s);
addVariables(s, "config.", call_config.config_vars);
if (!vars.empty())
addVariables(s, "", vars);
if (call_config.SetParamVariables)
addParams(s, req.hdrs);
if (NULL == cred) {
DBG("outgoing DSM call will not be authenticated.\n");
} else {
AmUACAuth::enable(s);
}
return s;
}
AmSession* DSMFactory::onInvite(const AmSipRequest& req)
{
string start_diag;
map<string, string> vars;
if (req.cmd == MOD_NAME) {
if (InboundStartDiag.empty()) {
ERROR("no inbound calls allowed\n");
throw AmSession::Exception(488, "Not Acceptable Here");
}
if (InboundStartDiag=="$(mon_select)") {
#ifdef USE_MONITORING
if (NULL == MONITORING_GLOBAL_INTERFACE) {
ERROR("using $(mon_select) but monitoring not loaded\n");
throw AmSession::Exception(488, "Not Acceptable Here");
}
AmArg di_args, ret;
if (MonSelectCaller != MonSelect_NONE) {
AmUriParser from_parser;
if (MonSelectCaller == MonSelect_FROM)
from_parser.uri = req.from_uri;
else {
size_t end;
string pai = getHeader(req.hdrs, SIP_HDR_P_ASSERTED_IDENTITY);
if (!from_parser.parse_contact(pai, 0, end)) {
ERROR("Failed to parse "SIP_HDR_P_ASSERTED_IDENTITY " '%s'\n",
pai.c_str());
throw AmSession::Exception(488, "Not Acceptable Here");
}
}
if (!from_parser.parse_uri()) {
DBG("failed to parse caller uri '%s'\n", from_parser.uri.c_str());
throw AmSession::Exception(488, "Not Acceptable Here");
}
AmArg caller_filter;
caller_filter.push("caller");
caller_filter.push(from_parser.uri_user);
DBG(" && looking for caller=='%s'\n", from_parser.uri_user.c_str());
di_args.push(caller_filter);
}
if (MonSelectCallee != MonSelect_NONE) {
AmArg callee_filter;
callee_filter.push("callee");
if (MonSelectCallee == MonSelect_RURI)
callee_filter.push(req.user);
else {
AmUriParser to_parser;
size_t end;
if (!to_parser.parse_contact(req.to, 0, end)) {
ERROR("Failed to parse To '%s'\n", req.to.c_str());
throw AmSession::Exception(488, "Not Acceptable Here");
}
if (!to_parser.parse_uri()) {
DBG("failed to parse callee uri '%s'\n", to_parser.uri.c_str());
throw AmSession::Exception(488, "Not Acceptable Here");
}
callee_filter.push(to_parser.uri_user);
}
DBG(" && looking for callee=='%s'\n", req.user.c_str());
di_args.push(callee_filter);
}
MONITORING_GLOBAL_INTERFACE->invoke("listByFilter",di_args,ret);
if ((ret.getType()!=AmArg::Array)||
!ret.size()) {
INFO("call info not found. caller uri %s, r-uri %s\n",
req.from_uri.c_str(), req.r_uri.c_str());
throw AmSession::Exception(488, "Not Acceptable Here");
}
AmArg sess_id, sess_params;
if (ret.size()>1) {
DBG("multiple call info found - picking the first one\n");
}
const char* session_id = ret.get(0).asCStr();
sess_id.push(session_id);
MONITORING_GLOBAL_INTERFACE->invoke("get",sess_id,sess_params);
if ((sess_params.getType()!=AmArg::Array)||
!sess_params.size() ||
sess_params.get(0).getType() != AmArg::Struct) {
INFO("call parameters not found. caller uri %s, r-uri %s, id %s\n",
req.from_uri.c_str(), req.r_uri.c_str(), ret.get(0).asCStr());
throw AmSession::Exception(488, "Not Acceptable Here");
}
AmArg& sess_dict = sess_params.get(0);
if (sess_dict.hasMember("app")) {
start_diag = sess_dict["app"].asCStr();
DBG("selected application '%s' for session\n", start_diag.c_str());
} else {
ERROR("selected session params don't contain 'app'\n");
throw AmSession::Exception(488, "Not Acceptable Here");
}
AmArg2DSMStrMap(sess_dict["appParams"], vars);
vars["mon_session_record"] = session_id;
#else
ERROR("using $(mon_select) for dsm application, "
"but compiled without monitoring support!\n");
throw AmSession::Exception(488, "Not Acceptable Here");
#endif
} else {
start_diag = InboundStartDiag;
}
} else {
start_diag = req.cmd;
}
// determine run configuration for script
DSMScriptConfig call_config;
ScriptConfigs_mut.lock();
map<string, DSMScriptConfig>::iterator sc=ScriptConfigs.find(start_diag);
if (sc == ScriptConfigs.end())
call_config = MainScriptConfig;
else
call_config = sc->second;
DSMCall* s = new DSMCall(call_config, &prompts, *call_config.diags, start_diag, NULL);
ScriptConfigs_mut.unlock();
prepareSession(s);
addVariables(s, "config.", call_config.config_vars);
if (call_config.SetParamVariables)
addParams(s, req.hdrs);
if (!vars.empty())
addVariables(s, "", vars);
return s;
}
void DSMFactory::runMonitorAppSelect(const AmSipRequest& req, string& start_diag,
map<string, string>& vars) {
#define FALLBACK_OR_EXCEPTION(code, reason) \
if (MonSelectFallback.empty()) { \
throw AmSession::Exception(code, reason); \
} else { \
DBG("falling back to '%s'\n", MonSelectFallback.c_str()); \
start_diag = MonSelectFallback; \
return; \
}
#ifdef USE_MONITORING
if (NULL == MONITORING_GLOBAL_INTERFACE) {
ERROR("using $(mon_select) but monitoring not loaded\n");
FALLBACK_OR_EXCEPTION(500, "Internal Server Error");
}
AmArg di_args, ret;
if (MonSelectCaller != MonSelect_NONE) {
AmUriParser from_parser;
if (MonSelectCaller == MonSelect_FROM)
from_parser.uri = req.from_uri;
else {
size_t end;
string pai = getHeader(req.hdrs, SIP_HDR_P_ASSERTED_IDENTITY, true);
if (!from_parser.parse_contact(pai, 0, end)) {
WARN("Failed to parse " SIP_HDR_P_ASSERTED_IDENTITY " '%s'\n",
pai.c_str());
FALLBACK_OR_EXCEPTION(500, "Internal Server Error");
}
}
if (!from_parser.parse_uri()) {
DBG("failed to parse caller uri '%s'\n", from_parser.uri.c_str());
FALLBACK_OR_EXCEPTION(500, "Internal Server Error");
}
AmArg caller_filter;
caller_filter.push("caller");
caller_filter.push(from_parser.uri_user);
DBG(" && looking for caller=='%s'\n", from_parser.uri_user.c_str());
di_args.push(caller_filter);
}
if (MonSelectCallee != MonSelect_NONE) {
AmArg callee_filter;
callee_filter.push("callee");
if (MonSelectCallee == MonSelect_RURI)
callee_filter.push(req.user);
else {
AmUriParser to_parser;
size_t end;
if (!to_parser.parse_contact(req.to, 0, end)) {
ERROR("Failed to parse To '%s'\n", req.to.c_str());
FALLBACK_OR_EXCEPTION(500, "Internal Server Error");
}
if (!to_parser.parse_uri()) {
DBG("failed to parse callee uri '%s'\n", to_parser.uri.c_str());
FALLBACK_OR_EXCEPTION(500, "Internal Server Error");
}
callee_filter.push(to_parser.uri_user);
}
DBG(" && looking for callee=='%s'\n", req.user.c_str());
di_args.push(callee_filter);
}
// apply additional filters
if (MonSelectFilters.size()) {
string app_params = getHeader(req.hdrs, PARAM_HDR);
for (vector<string>::iterator it =
MonSelectFilters.begin(); it != MonSelectFilters.end(); it++) {
AmArg filter;
filter.push(*it); // avp name
string app_param_val = get_header_keyvalue(app_params, *it);
filter.push(app_param_val);
di_args.push(filter);
DBG(" && looking for %s=='%s'\n", it->c_str(), app_param_val.c_str());
}
}
MONITORING_GLOBAL_INTERFACE->invoke("listByFilter",di_args,ret);
if ((ret.getType()!=AmArg::Array)||
!ret.size()) {
DBG("call info not found. caller uri %s, r-uri %s\n",
req.from_uri.c_str(), req.r_uri.c_str());
FALLBACK_OR_EXCEPTION(500, "Internal Server Error");
}
AmArg sess_id, sess_params;
if (ret.size()>1) {
DBG("multiple call info found - picking the first one\n");
}
const char* session_id = ret.get(0).asCStr();
sess_id.push(session_id);
MONITORING_GLOBAL_INTERFACE->invoke("get",sess_id,sess_params);
if ((sess_params.getType()!=AmArg::Array)||
!sess_params.size() ||
sess_params.get(0).getType() != AmArg::Struct) {
INFO("call parameters not found. caller uri %s, r-uri %s, id %s\n",
req.from_uri.c_str(), req.r_uri.c_str(), ret.get(0).asCStr());
FALLBACK_OR_EXCEPTION(500, "Internal Server Error");
}
AmArg& sess_dict = sess_params.get(0);
if (sess_dict.hasMember("app")) {
start_diag = sess_dict["app"].asCStr();
DBG("selected application '%s' for session\n", start_diag.c_str());
} else {
ERROR("selected session params don't contain 'app'\n");
FALLBACK_OR_EXCEPTION(500, "Internal Server Error");
}
AmArg2DSMStrMap(sess_dict["appParams"], vars);
vars["mon_session_record"] = session_id;
#else
ERROR("using $(mon_select) for dsm application, "
"but compiled without monitoring support!\n");
throw AmSession::Exception(500, "Internal Server Error");
#endif
#undef FALLBACK_OR_EXCEPTION
}
