1 // ANNA - Anna is Not Nothingness Anymore //
3 // (c) Copyright 2005-2015 Eduardo Ramos Testillano & Francisco Ruiz Rayo //
5 // See project site at http://redmine.teslayout.com/projects/anna-suite //
6 // See accompanying file LICENSE or copy at http://www.teslayout.com/projects/public/anna.LICENSE //
10 #include <anna/core/core.hpp>
11 #include <anna/diameter/functions.hpp>
12 #include <anna/time/functions.hpp>
13 #include <anna/diameter/codec/Engine.hpp>
14 #include <anna/diameter.comm/Response.hpp>
17 #include "MyLocalServer.hpp"
18 #include "Launcher.hpp"
21 void MyLocalServer::eventRequest(anna::diameter::comm::ServerSession *serverSession, const anna::DataBlock &message)
22 throw(anna::RuntimeException) {
23 LOGMETHOD(anna::TraceMethod tm("launcher::MyLocalServer", "eventRequest", ANNA_FILE_LOCATION));
25 Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
26 CommandLine& cl(anna::CommandLine::instantiate());
28 anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
31 std::string msg = "Request received: ";
32 msg += anna::diameter::functions::commandIdAsPairString(cid);
33 msg += " | DiameterServer: ";
34 msg += anna::functions::socketLiteralAsString(serverSession->getAddress(), serverSession->getPort());
35 msg += " | EventTime: ";
36 msg += anna::time::functions::currentTimeAsString();
37 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
41 if(my_app.logEnabled()) my_app.writeLogFile(message, "recvfc", serverSession->asString());
43 // If no answer is programmed and entity is configured, the failed request would be forwarded even being wrong (delegates at the end point)
45 anna::diameter::codec::Message *programmed_answer = a_reactingAnswers.getMessage(code);
46 bool programmed = (programmed_answer != NULL);
48 anna::diameter::comm::Entity *entity = my_app.getEntity();
49 if(!programmed && entity) { // forward condition (no programmed answer + entity available)
50 anna::diameter::comm::Message *msg = my_app.createCommMessage();
51 msg->updateEndToEnd(false); // end-to-end will be kept
52 msg->setBody(message);
53 msg->setRequestServerSessionKey(serverSession->getKey());
54 bool success = entity->send(msg, cl.exists("balance"));
57 if(my_app.logEnabled()) {
58 anna::diameter::comm::Server *usedServer = entity->getLastUsedResource();
59 anna::diameter::comm::ClientSession *usedClientSession = usedServer ? usedServer->getLastUsedResource() : NULL;
60 std::string detail = usedClientSession ? usedClientSession->asString() : "<null client session>"; // esto no deberia ocurrir
61 my_app.writeLogFile(message, (success ? "fwd2e" : "fwd2eError"), detail); // forwarded
68 bool analysisOK = true; // by default
69 anna::diameter::codec::Message *answer_message = NULL;
70 anna::diameter::codec::Message *codecMsg = my_app.createCodecMessage();
72 if(!cl.exists("ignoreErrors")) { // Error analysis
73 answer_message = my_app.createCodecMessage();
74 answer_message->clear();
77 try { codecMsg->decode(message, answer_message); } catch(anna::RuntimeException &ex) { ex.trace(); }
79 answer_message->setStandardToAnswer(*codecMsg, my_app.getMyDiameterEngine()->getHost(), my_app.getMyDiameterEngine()->getRealm());
80 my_app.releaseCodecMessage(codecMsg);
81 analysisOK = (answer_message->getResultCode() == anna::diameter::helpers::base::AVPVALUES__Result_Code::DIAMETER_SUCCESS);
84 // Programmed answer only when all is ok
87 answer_message = programmed_answer;
89 my_app.getCommunicator()->prepareAnswer(answer_message, message);
90 } else return; // nothing done
93 anna::diameter::codec::Engine *codecEngine = my_app.getCodecEngine();
94 anna::diameter::codec::Engine::ValidationMode::_v backupVM = codecEngine->getValidationMode();
97 codecEngine->setValidationMode(anna::diameter::codec::Engine::ValidationMode::Never);
100 anna::diameter::comm::Message *msg = my_app.createCommMessage();
101 msg->setBody(answer_message->code());
102 /* response = NULL =*/serverSession->send(msg);
103 my_app.releaseCommMessage(msg);
105 if(my_app.logEnabled()) my_app.writeLogFile(*answer_message, "sent2c", serverSession->asString());
106 } catch(anna::RuntimeException &ex) {
108 if(my_app.logEnabled()) my_app.writeLogFile(*answer_message, "send2cError", serverSession->asString());
111 // Release auxiliary codec message
112 my_app.releaseCodecMessage(answer_message);
114 // Restore validation mode
115 codecEngine->setValidationMode(backupVM);
117 // Pop front the reacting answer:
118 if(analysisOK && programmed) a_reactingAnswers.nextMessage(code);
121 void MyLocalServer::eventResponse(const anna::diameter::comm::Response &response)
122 throw(anna::RuntimeException) {
123 LOGMETHOD(anna::TraceMethod tm("launcher::MyLocalServer", "eventResponse", ANNA_FILE_LOCATION));
124 Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
125 CommandLine& cl(anna::CommandLine::instantiate());
126 anna::diameter::comm::ClassCode::_v code = response.getClassCode();
127 anna::diameter::comm::Response::ResultCode::_v result = response.getResultCode();
128 anna::diameter::comm::Message* request = const_cast<anna::diameter::comm::Message*>(response.getRequest());
129 const anna::DataBlock* message = response.getMessage();
130 const anna::diameter::comm::ServerSession *serverSession = static_cast<const anna::diameter::comm::ServerSession *>(response.getSession());
131 bool isBindResponse = (code == anna::diameter::comm::ClassCode::Bind);
132 bool isApplicationMessage = (code == anna::diameter::comm::ClassCode::ApplicationMessage);
133 bool contextExpired = (result == anna::diameter::comm::Response::ResultCode::Timeout);
134 bool isUnavailable = (result == anna::diameter::comm::Response::ResultCode::DiameterUnavailable);
135 bool isOK = (result == anna::diameter::comm::Response::ResultCode::Success);
137 anna::diameter::CommandId request_cid = request->getCommandId();
140 std::string msg = "Response received for original diameter request: ";
141 msg += anna::diameter::functions::commandIdAsPairString(request_cid);
142 msg += " | Response: ";
143 msg += response.asString();
144 msg += " | LocalServer: ";
145 msg += anna::functions::socketLiteralAsString(serverSession->getAddress(), serverSession->getPort());
146 msg += " | EventTime: ";
147 msg += anna::time::functions::currentTimeAsString();
148 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
152 //if (isApplicationMessage)
153 LOGWARNING(anna::Logger::warning("Diameter client unavailable for Diameter Request", ANNA_FILE_LOCATION));
157 //if (isApplicationMessage)
158 LOGWARNING(anna::Logger::warning("Context Expired for Diameter Request which was sent to the client", ANNA_FILE_LOCATION));
160 if(request_cid != anna::diameter::helpers::base::COMMANDID__Capabilities_Exchange_Request) { // don't trace CEA
161 if(my_app.logEnabled()) my_app.writeLogFile(*request, "req2c-expired", serverSession->asString());
167 std::string msg = "Received response for diameter message: ";
168 msg += anna::diameter::functions::commandIdAsPairString(request_cid);
169 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
173 if(my_app.logEnabled()) my_app.writeLogFile(*message, "recvfc", serverSession->asString());
175 // This is not very usual, but answers could arrive from clients:
176 anna::diameter::comm::Entity *entity = my_app.getEntity();
179 anna::diameter::comm::ClientSession *usedClientSession = my_app.getMyDiameterEngine()->findClientSession(request->getRequestClientSessionKey());
182 if(my_app.logEnabled()) detail = usedClientSession ? usedClientSession->asString() : "<null client session>"; // this should not happen
185 anna::diameter::comm::Message *msg = my_app.createCommMessage();
186 msg->updateEndToEnd(false); // end-to-end will be kept
187 msg->setBody(*message);
190 if(usedClientSession) /* response = NULL =*/usedClientSession->send(msg);
193 //msg->setRequestClientSessionKey(request->getRequestClientSessionKey());
194 //bool success = entity->send(msg);
196 my_app.releaseCommMessage(msg);
197 my_app.releaseCommMessage(request);
199 if(my_app.logEnabled()) my_app.writeLogFile(*message, "fwd2e", detail); // forwarded
200 } catch(anna::RuntimeException &ex) {
202 if(my_app.logEnabled()) my_app.writeLogFile(*message, "fwd2eError", detail); // forwarded
208 void MyLocalServer::eventUnknownResponse(anna::diameter::comm::ServerSession *serverSession, const anna::DataBlock &message)
209 throw(anna::RuntimeException) {
210 LOGMETHOD(anna::TraceMethod tm("launcher::MyLocalServer", "eventUnknownResponse", ANNA_FILE_LOCATION));
211 // Performance stats:
212 Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
214 anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
217 std::string msg = "Out-of-context response received from client: ";
218 msg += anna::diameter::functions::commandIdAsPairString(cid);
219 msg += " | DiameterServer: ";
220 msg += anna::functions::socketLiteralAsString(serverSession->getAddress(), serverSession->getPort());
221 msg += " | EventTime: ";
222 msg += anna::time::functions::currentTimeAsString();
223 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
226 if(my_app.logEnabled()) my_app.writeLogFile(message, "recvfc-ans-unknown", serverSession->asString());
229 void MyLocalServer::eventDPA(anna::diameter::comm::ServerSession *serverSession, const anna::DataBlock &message)
230 throw(anna::RuntimeException) {
231 LOGMETHOD(anna::TraceMethod tm("launcher::MyLocalServer", "eventDPA", ANNA_FILE_LOCATION));
232 // Performance stats:
233 Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
235 anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
238 std::string msg = "Disconnect-Peer-Answer response received from client: ";
239 msg += anna::diameter::functions::commandIdAsPairString(cid);
240 msg += " | DiameterServer: ";
241 msg += anna::functions::socketLiteralAsString(serverSession->getAddress(), serverSession->getPort());
242 msg += " | EventTime: ";
243 msg += anna::time::functions::currentTimeAsString();
244 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
247 if(my_app.logEnabled()) my_app.writeLogFile(message, "recvfc", serverSession->asString());