+// ANNA - Anna is Not Nothingness Anymore //
+// //
+// (c) Copyright 2005-2015 Eduardo Ramos Testillano & Francisco Ruiz Rayo //
+// //
+// See project site at http://redmine.teslayout.com/projects/anna-suite //
+// See accompanying file LICENSE or copy at http://www.teslayout.com/projects/public/anna.LICENSE //
+
+
+// Project
+#include <anna/core/core.hpp>
+#include <anna/diameter/functions.hpp>
+#include <anna/time/functions.hpp>
+#include <anna/diameter/codec/Engine.hpp>
+#include <anna/diameter.comm/Response.hpp>
+#include <anna/diameter.comm/ClientSession.hpp>
+#include <anna/diameter.comm/Server.hpp>
+#include <anna/diameter.comm/OriginHost.hpp>
+
+// Process
+#include <MyLocalServer.hpp>
+#include <MyDiameterEngine.hpp>
+#include <MyDiameterEntity.hpp>
+#include <Launcher.hpp>
+#include <anna/testing/TestManager.hpp>
+
+
+void MyLocalServer::eventRequest(anna::diameter::comm::ServerSession *serverSession, const anna::DataBlock &message, const anna::diameter::comm::OriginHost *myNode)
+noexcept(false) {
+ LOGMETHOD(anna::TraceMethod tm("launcher::MyLocalServer", "eventRequest", ANNA_FILE_LOCATION));
+
+ // Protection:
+ if (!myNode) return;
+
+ // Performance stats:
+ Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
+ anna::diameter::codec::Engine *codecEngine = myNode->getCodecEngine();
+
+ // CommandId:
+ anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
+ LOGDEBUG
+ (
+ std::string msg = "Request received: ";
+ msg += anna::diameter::functions::commandIdAsPairString(cid);
+ msg += " | DiameterServer: ";
+ msg += anna::functions::socketLiteralAsString(serverSession->getAddress(), serverSession->getPort());
+ msg += " | EventTime: ";
+ msg += anna::time::functions::currentTimeAsString();
+ anna::Logger::debug(msg, ANNA_FILE_LOCATION);
+ );
+
+ // Write reception
+ if(myNode->logEnabled()) myNode->writeLogFile(message, "recvfc", serverSession->asString());
+
+ // If no answer is programmed and entity is configured, the failed request would be forwarded even being wrong (delegates at the end point)
+ int code = cid.first;
+ anna::diameter::codec::Message *programmed_answer = (const_cast<anna::diameter::comm::OriginHost*>(myNode))->getReactingAnswers()->getMessage(code);
+
+ bool programmed = (programmed_answer != NULL);
+
+ anna::diameter::comm::Entity *entity = myNode->getEntity();
+ if(!programmed && entity) { // forward condition (no programmed answer + entity available)
+ anna::diameter::comm::Message *msg = (const_cast<anna::diameter::comm::OriginHost*>(myNode))->createCommMessage();
+ msg->forwardEndToEnd(); // end-to-end will be kept
+ msg->setBody(message);
+ msg->setRequestServerSessionKey(serverSession->getKey());
+ bool success = entity->send(msg);
+
+ // Detailed log:
+ if(myNode->logEnabled()) {
+ anna::diameter::comm::Server *usedServer = entity->getLastUsedResource();
+ anna::diameter::comm::ClientSession *usedClientSession = usedServer ? usedServer->getLastUsedResource() : NULL;
+ std::string detail = usedClientSession ? usedClientSession->asString() : "[null client session]"; // esto no deberia ocurrir
+ myNode->writeLogFile(message, (success ? "fwd2e" : "fwd2eError"), detail); // forwarded
+ }
+
+
+ // Testing:
+ anna::testing::TestManager::instantiate().receiveDiameterMessage(message, serverSession);
+
+ return;
+ }
+
+ // Error analisys:
+ bool analysisOK = true; // by default
+ anna::diameter::codec::Message *answer_message = NULL;
+ anna::diameter::codec::Message codecMsg;
+ anna::diameter::codec::Message codecAnsMsg;
+
+ CommandLine& cl(anna::CommandLine::instantiate());
+ if(!cl.exists("ignoreErrors")) { // Error analysis
+ answer_message = (anna::diameter::codec::Message *)&codecAnsMsg;
+ answer_message->clear();
+
+ // Decode
+ try { codecMsg.decode(message, answer_message); } catch(anna::RuntimeException &ex) { ex.trace(); }
+
+ answer_message->setStandardToAnswer(codecMsg, myNode->getCommEngine()->getOriginHostName(), myNode->getCommEngine()->getOriginRealmName());
+ analysisOK = (answer_message->getResultCode() == anna::diameter::helpers::base::AVPVALUES__Result_Code::DIAMETER_SUCCESS);
+ }
+
+ // Programmed answer only when all is ok
+ if(analysisOK) {
+ if(programmed) {
+ answer_message = programmed_answer;
+ // Prepare answer:
+ my_app.getCommunicator()->prepareAnswer(answer_message, message);
+ } else {
+
+ // Testing:
+ anna::testing::TestManager::instantiate().receiveDiameterMessage(message, serverSession);
+
+ return; // nothing done
+ }
+ }
+
+ anna::diameter::codec::Engine::ValidationMode::_v backupVM = codecEngine->getValidationMode();
+
+ if(!analysisOK)
+ codecEngine->setValidationMode(anna::diameter::codec::Engine::ValidationMode::Never);
+
+ anna::diameter::comm::Message *msg;
+ try {
+ msg = (const_cast<anna::diameter::comm::OriginHost*>(myNode))->createCommMessage();
+ msg->setBody(answer_message->code());
+ /* response = NULL =*/serverSession->send(msg);
+
+ if(myNode->logEnabled()) myNode->writeLogFile(*answer_message, "sent2c", serverSession->asString());
+ } catch(anna::RuntimeException &ex) {
+ ex.trace();
+ if(myNode->logEnabled()) myNode->writeLogFile(*answer_message, "send2cError", serverSession->asString());
+ }
+
+ // release msg
+ (const_cast<anna::diameter::comm::OriginHost*>(myNode))->releaseCommMessage(msg);
+
+ // Restore validation mode
+ codecEngine->setValidationMode(backupVM);
+
+ // Pop front the reacting answer:
+ if(analysisOK && programmed) (const_cast<anna::diameter::comm::OriginHost*>(myNode))->getReactingAnswers()->nextMessage(code);
+
+ // Testing:
+ anna::testing::TestManager::instantiate().receiveDiameterMessage(message, serverSession);
+}
+
+void MyLocalServer::eventResponse(const anna::diameter::comm::Response &response, const anna::diameter::comm::OriginHost *myNode)
+noexcept(false) {
+ LOGMETHOD(anna::TraceMethod tm("launcher::MyLocalServer", "eventResponse", ANNA_FILE_LOCATION));
+ Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
+ anna::diameter::comm::ClassCode::_v code = response.getClassCode();
+ anna::diameter::comm::Response::ResultCode::_v result = response.getResultCode();
+ anna::diameter::comm::Message* request = const_cast<anna::diameter::comm::Message*>(response.getRequest());
+ const anna::DataBlock* message = response.getMessage();
+ const anna::diameter::comm::ServerSession *serverSession = static_cast<const anna::diameter::comm::ServerSession *>(response.getSession());
+ bool contextExpired = (result == anna::diameter::comm::Response::ResultCode::Timeout);
+ bool isUnavailable = (result == anna::diameter::comm::Response::ResultCode::DiameterUnavailable);
+ bool isOK = (result == anna::diameter::comm::Response::ResultCode::Success);
+
+ // CommandId:
+ anna::diameter::CommandId request_cid = request->getCommandId();
+ LOGDEBUG
+ (
+ std::string msg = "Response received for original diameter request: ";
+ msg += anna::diameter::functions::commandIdAsPairString(request_cid);
+ msg += " | Response: ";
+ msg += response.asString();
+ msg += " | LocalServer: ";
+ msg += anna::functions::socketLiteralAsString(serverSession->getAddress(), serverSession->getPort());
+ msg += " | EventTime: ";
+ msg += anna::time::functions::currentTimeAsString();
+ anna::Logger::debug(msg, ANNA_FILE_LOCATION);
+ );
+
+ // Protection:
+ if (!myNode) return;
+
+ if(isUnavailable) {
+ //if (isApplicationMessage)
+ LOGWARNING(anna::Logger::warning("Diameter client unavailable for Diameter Request", ANNA_FILE_LOCATION));
+ }
+
+ if(contextExpired) {
+ //if (isApplicationMessage)
+ LOGWARNING(anna::Logger::warning("Context Expired for Diameter Request which was sent to the client", ANNA_FILE_LOCATION));
+
+ if(request_cid != anna::diameter::helpers::base::COMMANDID__Capabilities_Exchange_Request) { // don't trace CEA
+ if(myNode->logEnabled()) myNode->writeLogFile(*request, "req2c-expired", serverSession->asString());
+ }
+ }
+
+ if(isOK) {
+ LOGDEBUG(
+ std::string msg = "Received response for diameter message: ";
+ msg += anna::diameter::functions::commandIdAsPairString(request_cid);
+ anna::Logger::debug(msg, ANNA_FILE_LOCATION);
+ );
+
+ // Write reception
+ if(myNode->logEnabled()) myNode->writeLogFile(*message, "recvfc", serverSession->asString());
+
+ // This is not very usual, but answers could arrive from clients:
+ anna::diameter::comm::Entity *entity = myNode->getEntity();
+
+ if(entity) {
+ anna::diameter::comm::ClientSession *usedClientSession = myNode->getCommEngine()->findClientSession(request->getRequestClientSessionKey());
+ std::string detail;
+
+ if(myNode->logEnabled()) detail = usedClientSession ? usedClientSession->asString() : "[null client session]"; // this should not happen
+ anna::diameter::comm::Message *msg;
+
+ try {
+ msg = (const_cast<anna::diameter::comm::OriginHost*>(myNode))->createCommMessage();
+ msg->forwardEndToEnd(); // end-to-end will be kept
+ msg->setBody(*message);
+
+ // Metodo 1:
+ if(usedClientSession) /* response = NULL =*/usedClientSession->send(msg);
+
+ // Metodo 2:
+ //msg->setRequestClientSessionKey(request->getRequestClientSessionKey());
+ //bool success = entity->send(msg);
+
+ if(myNode->logEnabled()) myNode->writeLogFile(*message, "fwd2e", detail); // forwarded
+ } catch(anna::RuntimeException &ex) {
+ ex.trace();
+ if(myNode->logEnabled()) myNode->writeLogFile(*message, "fwd2eError", detail); // forwarded
+ }
+
+ // release msgs
+ (const_cast<anna::diameter::comm::OriginHost*>(myNode))->releaseCommMessage(msg);
+ (const_cast<anna::diameter::comm::OriginHost*>(myNode))->releaseCommMessage(request);
+ }
+ }
+
+ // Testing:
+ if(isOK) anna::testing::TestManager::instantiate().receiveDiameterMessage(*message, serverSession);
+}
+
+void MyLocalServer::eventUnknownResponse(anna::diameter::comm::ServerSession *serverSession, const anna::DataBlock &message, const anna::diameter::comm::OriginHost *myNode)
+noexcept(false) {
+ LOGMETHOD(anna::TraceMethod tm("launcher::MyLocalServer", "eventUnknownResponse", ANNA_FILE_LOCATION));
+ // Performance stats:
+ Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
+ // CommandId:
+ anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
+ LOGDEBUG
+ (
+ std::string msg = "Out-of-context response received from client: ";
+ msg += anna::diameter::functions::commandIdAsPairString(cid);
+ msg += " | DiameterServer: ";
+ msg += anna::functions::socketLiteralAsString(serverSession->getAddress(), serverSession->getPort());
+ msg += " | EventTime: ";
+ msg += anna::time::functions::currentTimeAsString();
+ anna::Logger::debug(msg, ANNA_FILE_LOCATION);
+ );
+
+ // Protection:
+ if (!myNode) return;
+
+ if(myNode->logEnabled()) myNode->writeLogFile(message, "recvfc-ans-unknown", serverSession->asString());
+}
+
+void MyLocalServer::eventDPA(anna::diameter::comm::ServerSession *serverSession, const anna::DataBlock &message, const anna::diameter::comm::OriginHost *myNode)
+noexcept(false) {
+ LOGMETHOD(anna::TraceMethod tm("launcher::MyLocalServer", "eventDPA", ANNA_FILE_LOCATION));
+ // Performance stats:
+ Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
+ // CommandId:
+ anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
+ LOGDEBUG
+ (
+ std::string msg = "Disconnect-Peer-Answer response received from client: ";
+ msg += anna::diameter::functions::commandIdAsPairString(cid);
+ msg += " | DiameterServer: ";
+ msg += anna::functions::socketLiteralAsString(serverSession->getAddress(), serverSession->getPort());
+ msg += " | EventTime: ";
+ msg += anna::time::functions::currentTimeAsString();
+ anna::Logger::debug(msg, ANNA_FILE_LOCATION);
+ );
+
+ // Protection:
+ if (!myNode) return;
+
+ // Write reception
+ if(myNode->logEnabled()) myNode->writeLogFile(message, "recvfc", serverSession->asString());
+
+ // Testing:
+ anna::testing::TestManager::instantiate().receiveDiameterMessage(message, serverSession);
+}
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