#include <anna/diameter.comm/LocalServer.hpp>
#include <anna/diameter.comm/ServerSessionReceiver.hpp>
#include <anna/diameter.comm/ReceiverFactoryImpl.hpp>
+#include <anna/diameter.comm/OriginHostManager.hpp>
+#include <anna/diameter.comm/OriginHost.hpp>
#include <anna/app/functions.hpp>
#include <anna/comm/ClientSocket.hpp>
ServerSession::ServerSession() : Session("diameter::comm::ServerSession", "Diameter Inactivity Detection Timer"),
- a_receiverFactory(this),
- a_cer(ClassCode::Bind),
- a_dwr(ClassCode::ApplicationMessage) // not actually needed; Message is application type by default
+ a_receiverFactory(this)
{ initialize(); }
void ServerSession::initialize() {
updateOutgoingActivityTime();
// OAM
countSendings(cid, aid, true /* send ok */);
- // Trace non-application messages:
- LOGDEBUG(
-
- if( (cid == helpers::base::COMMANDID__Device_Watchdog_Request) ||
- (cid == helpers::base::COMMANDID__Disconnect_Peer_Request)) {
- anna::Logger::debug("Sent DataBlock to XML representation:", ANNA_FILE_LOCATION);
- try {
- anna::diameter::codec::Message msg(a_engine->getBaseProtocolCodecEngine()); msg.decode(message->getBody()); /* decode to be traced */
- }
- catch(anna::RuntimeException &ex) {
- std::string msg = ex.getText();
- msg += " | Use diameter::comm::Engine::setBaseProtocolCodecEngine() to allow internal base protocol messages full tracing";
- anna::Logger::debug(msg, ANNA_FILE_LOCATION);
- }
- }
- );
// Restore sequences:
if(fixed) message_nc->restoreSequencesAfterFix(); // restore to application sequences after fix
a_parent->eventRequestRetransmission(this, request);
}
-void ServerSession::eventResponse(const Response& response) noexcept(false) {
+void ServerSession::eventResponse(const Response& response, const anna::diameter::comm::OriginHost *myNode) noexcept(false) {
// Inform father server:
- a_parent->eventResponse(response);
+ a_parent->eventResponse(response, myNode);
}
-void ServerSession::eventRequest(const anna::DataBlock &request) noexcept(false) {
+void ServerSession::eventRequest(const anna::DataBlock &request, const anna::diameter::comm::OriginHost *myNode) noexcept(false) {
// Inform father server:
- a_parent->eventRequest(this, request);
+ a_parent->eventRequest(this, request, myNode);
}
-void ServerSession::eventUnknownResponse(const anna::DataBlock& response) noexcept(false) {
+void ServerSession::eventUnknownResponse(const anna::DataBlock& response, const anna::diameter::comm::OriginHost *myNode) noexcept(false) {
// Inform father server:
- a_parent->eventUnknownResponse(this, response);
+ a_parent->eventUnknownResponse(this, response, myNode);
}
-void ServerSession::eventDPA(const anna::DataBlock& response) noexcept(false) {
+void ServerSession::eventDPA(const anna::DataBlock& response, const anna::diameter::comm::OriginHost *myNode) noexcept(false) {
// Inform father server:
- a_parent->eventDPA(this, response);
+ a_parent->eventDPA(this, response, myNode);
+}
+
+
+anna::U32 ServerSession::getAuthApplicationIdFromCER(const anna::DataBlock &cer, bool &found) const {
+
+ anna::U32 result{};
+ found = true;
+
+ anna::diameter::codec::Message codecMsg; // codec engine to pre-assigned, but will be inferred from ApplicationId during decoding:
+ try { codecMsg.decode(cer); } catch(anna::RuntimeException &ex) { ex.trace(); found = false; return result; }
+
+ // Look at first level:
+ try {
+ result = codecMsg.getAvp(helpers::base::AVPID__Auth_Application_Id)->getUnsigned32()->getValue();
+ }
+ catch(anna::RuntimeException &ex) {
+ found = false;
+ }
+
+ // Look within Vendor-Specific-Application-Id:
+ if (!found) {
+ try {
+ result = codecMsg.getAvp(helpers::base::AVPID__Vendor_Specific_Application_Id)->getAvp(helpers::base::AVPID__Auth_Application_Id)->getUnsigned32()->getValue();
+ }
+ catch(anna::RuntimeException &ex) {
+ found = false;
+ }
+ }
+
+ return result;
}
//------------------------------------------------------------------------------------------
void ServerSession::receive(const anna::comm::Message& message)
noexcept(false) {
LOGMETHOD(anna::TraceMethod traceMethod(a_className, "receive", ANNA_FILE_LOCATION));
+
+
// Activity:
updateIncomingActivityTime();
activateTimer();
std::string msg = "Received diameter message: ";
msg += anna::diameter::functions::commandIdAsPairString(cid);
anna::Logger::debug(msg, ANNA_FILE_LOCATION);
-
- if( (cid == helpers::base::COMMANDID__Capabilities_Exchange_Request) ||
- (cid.first == helpers::base::COMMANDID__Device_Watchdog_Request.first)) {
- try {
- anna::diameter::codec::Message dmsg(a_engine->getBaseProtocolCodecEngine()); dmsg.decode(db); /* decode to be traced */
- }
- catch(anna::RuntimeException &ex) {
- std::string msg = ex.getText();
- msg += " | Use diameter::comm::Engine::setBaseProtocolCodecEngine() to allow internal base protocol messages full tracing";
- anna::Logger::debug(msg, ANNA_FILE_LOCATION);
- }
- }
);
// Main counters:
OamModule &oamModule = OamModule::instantiate();
// Statistic (size)
a_parent->updateReceivedMessageSizeStatisticConcept(message.getSize(), cid); // only on reception (application could manage sent sizes)
+ // OriginHostManager (to register remote origin host in order to associate with specific comm engine):
+ anna::diameter::comm::OriginHostManager &ohm = anna::diameter::comm::OriginHostManager::instantiate();
+
+ // Extract OriginHost from datablock (db):
+ std::string remoteOriginHost = anna::diameter::helpers::base::functions::getOriginHost(db);
+ LOGDEBUG(anna::Logger::debug(anna::functions::asString("REMOTE ORIGIN HOST FOR THE MESSAGE RECEIVED: %s", remoteOriginHost.c_str()), ANNA_FILE_LOCATION));
+
+ // Now, get the corresponding own origin host for it; in case of CER received, this will be unkonwn:
+ const anna::diameter::comm::OriginHost *originHost = ohm.getOriginHostForRemoteOriginHost(remoteOriginHost);
+
if(isRequest) {
// Si recibo un request, el message solo tiene fiable el DataBlock. Como por defecto se construye como ApplicationMessage,
// el unico caso que no cuadraria seria la recepcion de un CER. Lo que hacemos es NO PROGRESAR NUNCA un CER (*).
// Received CER
if(cid == helpers::base::COMMANDID__Capabilities_Exchange_Request) {
+
+ // For CERs, we need to extract the Auth-Application-Id:
+ bool found;
+ anna::U32 authApplicationId = getAuthApplicationIdFromCER(db, found);
+
+ // Now, sequential search in OriginHostManager for that id:
+ anna::diameter::comm::OriginHost *originHost = ohm.getOriginHost(authApplicationId);
+
+ if (!originHost) {
+ LOGWARNING(anna::Logger::warning("DIAMETER_NO_COMMON_APPLICATION with received CER. TODO: send CEA with that result code", ANNA_FILE_LOCATION));
+ unbind(true /* always immediate */);
+ return;
+ }
+
+ // Map origin host of received CER, to own OriginHost pointer. This will be used in future: DWR, DPR, normal messages
+ ohm.registerRemoteOriginHost(remoteOriginHost, originHost->getName());
+
+
+ // OAM
oamModule.count(OamModule::Counter::CERReceived);
if(a_state == State::Bound) {
LOGWARNING(anna::Logger::warning("Received another CER over already bound connection. Anyway, will be replied with CEA", ANNA_FILE_LOCATION));
}
- a_cer.setBody(db);
// Basic DRA:
- getParent()->getEngine()->manageDrDhServerSession(this, true /* register */);
+ originHost->getCommEngine()->manageDrDhServerSession(this, true /* register */);
- sendCEA();
+ sendCEA(originHost->getCommEngine(), db);
//activateTimer(); // Ya se invoca al inicio de este metodo ::receive
//bool changes = a_parent->refreshAvailability();
return; // (*)
// Received DWR
else if(cid == helpers::base::COMMANDID__Device_Watchdog_Request) {
oamModule.count(OamModule::Counter::DWRReceived);
- a_dwr.setBody(db);
- sendDWA();
+
+ if (!originHost) return; // TODO, responding DWA with result code error
+
+ sendDWA(originHost->getCommEngine(), db);
return; // (**)
}
// Received DPR
else if(cid == helpers::base::COMMANDID__Disconnect_Peer_Request) {
oamModule.count(OamModule::Counter::DPRReceived);
+ if (!originHost) return; // TODO, responding DPA with result code error
+
if(a_state == State::Bound) {
- a_dpr.setBody(db);
setState(State::Disconnecting);
LOGWARNING(anna::Logger::warning("DPR has been received from peer (diameter client)", ANNA_FILE_LOCATION));
// Ignore pending on server sessions:
- /*if (getOTARequests() == 0) */sendDPA();
+ /*if (getOTARequests() == 0) */sendDPA(originHost->getCommEngine(), db);
return; // DPR won't be informed because virtual readDPA is available for this
}
}
// application message counters
ApplicationMessageOamModule::instantiate().count(cid.first, -1 /* no result code */, anna::diameter::codec::functions::getApplicationId(db), ApplicationMessageOamModule::Counter::Request_Received_AsServer);
- eventRequest(db);
+ if (!originHost) return; // TODO, responding DWA with result code error
+
+ eventRequest(db, originHost);
} catch(anna::RuntimeException& ex) {
ex.trace();
}
}
}
- eventDPA(db);
+ if (originHost)
+ eventDPA(db, originHost);
} else if(cid == helpers::base::COMMANDID__Device_Watchdog_Answer) { // non usual (server should not send DWR's)
oamModule.count(OamModule::Counter::DWAReceived);
// application message counters
ApplicationMessageOamModule::instantiate().count(cid.first, resultCode, anna::diameter::codec::functions::getApplicationId(db), ApplicationMessageOamModule::Counter::Answer_UnknownReceived_AsServer);
- eventUnknownResponse(db);
+ if (originHost)
+ eventUnknownResponse(db, originHost);
string msg(asString());
msg += anna::functions::asString(" | Response received from client, for non registered context (HopByHop: %u)", hopByHop);
// application message counters
ApplicationMessageOamModule::instantiate().count(cid.first, resultCode, anna::diameter::codec::functions::getApplicationId(db), ApplicationMessageOamModule::Counter::Answer_Received_AsServer);
- eventResponse(*response);
+ if (originHost)
+ eventResponse(*response, originHost);
} catch(anna::RuntimeException& ex) {
ex.trace();
-void ServerSession::sendCEA()
+void ServerSession::sendCEA(const Engine *commEngine, const anna::DataBlock &cerDataBlock)
noexcept(false) {
LOGMETHOD(anna::TraceMethod traceMethod(a_className, "sendCEA", ANNA_FILE_LOCATION));
+
anna::DataBlock cea(true);
- a_engine->readCEA(cea, a_cer.getBody()); // Asume that CEA is valid ...
+ commEngine->readCEA(cea, cerDataBlock); // Asume that CEA is valid ...
// If one peer sends a CER message to another Peer and receiver does not have support for
//
// 1) any common application then it must return the CEA with Result-Code Avp set to DIAMETER_NO_COMMON_APPLICATION
}
}
-void ServerSession::sendDWA()
+void ServerSession::sendDWA(const Engine *commEngine, const anna::DataBlock &dwrDataBlock)
noexcept(false) {
LOGMETHOD(anna::TraceMethod traceMethod(a_className, "sendDWA", ANNA_FILE_LOCATION));
anna::DataBlock dwa(true);
- a_engine->readDWA(dwa, a_dwr.getBody()); // Asume that DWA is valid ...
+ commEngine->readDWA(dwa, dwrDataBlock); // Asume that DWA is valid ...
if(dwa.isEmpty())
throw anna::RuntimeException("This diameter agent defines an empty DWA message. Remote client never will validate this connection health", ANNA_FILE_LOCATION);
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