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>
15 #include <anna/diameter.comm/ClientSession.hpp>
16 #include <anna/diameter.comm/Server.hpp>
19 #include "MyLocalServer.hpp"
20 #include "MyDiameterEngine.hpp"
21 #include "MyDiameterEntity.hpp"
22 #include "Launcher.hpp"
23 #include "RealmNode.hpp"
26 void MyLocalServer::eventRequest(anna::diameter::comm::ServerSession *serverSession, const anna::DataBlock &message)
27 throw(anna::RuntimeException) {
28 LOGMETHOD(anna::TraceMethod tm("launcher::MyLocalServer", "eventRequest", ANNA_FILE_LOCATION));
30 Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
31 RealmNode * my_node = my_app.getRealmNode(getEngine()->getRealm());
34 anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
37 std::string msg = "Request received: ";
38 msg += anna::diameter::functions::commandIdAsPairString(cid);
39 msg += " | DiameterServer: ";
40 msg += anna::functions::socketLiteralAsString(serverSession->getAddress(), serverSession->getPort());
41 msg += " | EventTime: ";
42 msg += anna::time::functions::currentTimeAsString();
43 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
47 if(my_node->logEnabled()) my_node->writeLogFile(message, "recvfc", serverSession->asString());
49 // If no answer is programmed and entity is configured, the failed request would be forwarded even being wrong (delegates at the end point)
51 anna::diameter::codec::Message *programmed_answer = a_reactingAnswers.getMessage(code);
52 bool programmed = (programmed_answer != NULL);
54 anna::diameter::comm::Entity *entity = my_node->getEntity();
55 if(!programmed && entity) { // forward condition (no programmed answer + entity available)
56 anna::diameter::comm::Message *msg = my_node->createCommMessage();
57 msg->forwardEndToEnd(); // end-to-end will be kept
58 msg->setBody(message);
59 msg->setRequestServerSessionKey(serverSession->getKey());
60 bool success = entity->send(msg, my_node->getEntity()->getBalance());
63 if(my_node->logEnabled()) {
64 anna::diameter::comm::Server *usedServer = entity->getLastUsedResource();
65 anna::diameter::comm::ClientSession *usedClientSession = usedServer ? usedServer->getLastUsedResource() : NULL;
66 std::string detail = usedClientSession ? usedClientSession->asString() : "<null client session>"; // esto no deberia ocurrir
67 my_node->writeLogFile(message, (success ? "fwd2e" : "fwd2eError"), detail); // forwarded
74 bool analysisOK = true; // by default
75 anna::diameter::codec::Message *answer_message = NULL;
76 anna::diameter::codec::Message codecMsg(a_codecEngine);
77 anna::diameter::codec::Message codecAnsMsg(a_codecEngine);
79 CommandLine& cl(anna::CommandLine::instantiate());
80 if(!cl.exists("ignoreErrors")) { // Error analysis
81 answer_message = (anna::diameter::codec::Message *)&codecAnsMsg;
82 answer_message->clear();
85 try { codecMsg.decode(message, answer_message); } catch(anna::RuntimeException &ex) { ex.trace(); }
87 answer_message->setStandardToAnswer(codecMsg, my_node->getMyDiameterEngine()->getHost(), my_node->getMyDiameterEngine()->getRealm());
88 analysisOK = (answer_message->getResultCode() == anna::diameter::helpers::base::AVPVALUES__Result_Code::DIAMETER_SUCCESS);
91 // Programmed answer only when all is ok
94 answer_message = programmed_answer;
96 my_app.getCommunicator()->prepareAnswer(answer_message, message);
97 } else return; // nothing done
100 anna::diameter::codec::Engine::ValidationMode::_v backupVM = a_codecEngine->getValidationMode();
103 a_codecEngine->setValidationMode(anna::diameter::codec::Engine::ValidationMode::Never);
106 anna::diameter::comm::Message *msg = my_node->createCommMessage();
107 msg->setBody(answer_message->code());
108 /* response = NULL =*/serverSession->send(msg);
109 my_node->releaseCommMessage(msg);
111 if(my_node->logEnabled()) my_node->writeLogFile(*answer_message, "sent2c", serverSession->asString());
112 } catch(anna::RuntimeException &ex) {
114 if(my_node->logEnabled()) my_node->writeLogFile(*answer_message, "send2cError", serverSession->asString());
117 // Restore validation mode
118 a_codecEngine->setValidationMode(backupVM);
120 // Pop front the reacting answer:
121 if(analysisOK && programmed) a_reactingAnswers.nextMessage(code);
124 void MyLocalServer::eventResponse(const anna::diameter::comm::Response &response)
125 throw(anna::RuntimeException) {
126 LOGMETHOD(anna::TraceMethod tm("launcher::MyLocalServer", "eventResponse", ANNA_FILE_LOCATION));
127 Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
128 RealmNode * my_node = my_app.getRealmNode(getEngine()->getRealm());
129 anna::diameter::comm::ClassCode::_v code = response.getClassCode();
130 anna::diameter::comm::Response::ResultCode::_v result = response.getResultCode();
131 anna::diameter::comm::Message* request = const_cast<anna::diameter::comm::Message*>(response.getRequest());
132 const anna::DataBlock* message = response.getMessage();
133 const anna::diameter::comm::ServerSession *serverSession = static_cast<const anna::diameter::comm::ServerSession *>(response.getSession());
134 bool isBindResponse = (code == anna::diameter::comm::ClassCode::Bind);
135 bool isApplicationMessage = (code == anna::diameter::comm::ClassCode::ApplicationMessage);
136 bool contextExpired = (result == anna::diameter::comm::Response::ResultCode::Timeout);
137 bool isUnavailable = (result == anna::diameter::comm::Response::ResultCode::DiameterUnavailable);
138 bool isOK = (result == anna::diameter::comm::Response::ResultCode::Success);
140 anna::diameter::CommandId request_cid = request->getCommandId();
143 std::string msg = "Response received for original diameter request: ";
144 msg += anna::diameter::functions::commandIdAsPairString(request_cid);
145 msg += " | Response: ";
146 msg += response.asString();
147 msg += " | LocalServer: ";
148 msg += anna::functions::socketLiteralAsString(serverSession->getAddress(), serverSession->getPort());
149 msg += " | EventTime: ";
150 msg += anna::time::functions::currentTimeAsString();
151 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
155 //if (isApplicationMessage)
156 LOGWARNING(anna::Logger::warning("Diameter client unavailable for Diameter Request", ANNA_FILE_LOCATION));
160 //if (isApplicationMessage)
161 LOGWARNING(anna::Logger::warning("Context Expired for Diameter Request which was sent to the client", ANNA_FILE_LOCATION));
163 if(request_cid != anna::diameter::helpers::base::COMMANDID__Capabilities_Exchange_Request) { // don't trace CEA
164 if(my_node->logEnabled()) my_node->writeLogFile(*request, "req2c-expired", serverSession->asString());
170 std::string msg = "Received response for diameter message: ";
171 msg += anna::diameter::functions::commandIdAsPairString(request_cid);
172 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
176 if(my_node->logEnabled()) my_node->writeLogFile(*message, "recvfc", serverSession->asString());
178 // This is not very usual, but answers could arrive from clients:
179 anna::diameter::comm::Entity *entity = my_node->getEntity();
182 anna::diameter::comm::ClientSession *usedClientSession = my_node->getMyDiameterEngine()->findClientSession(request->getRequestClientSessionKey());
185 if(my_node->logEnabled()) detail = usedClientSession ? usedClientSession->asString() : "<null client session>"; // this should not happen
188 anna::diameter::comm::Message *msg = my_node->createCommMessage();
189 msg->forwardEndToEnd(); // end-to-end will be kept
190 msg->setBody(*message);
193 if(usedClientSession) /* response = NULL =*/usedClientSession->send(msg);
196 //msg->setRequestClientSessionKey(request->getRequestClientSessionKey());
197 //bool success = entity->send(msg);
199 my_node->releaseCommMessage(msg);
200 my_node->releaseCommMessage(request);
202 if(my_node->logEnabled()) my_node->writeLogFile(*message, "fwd2e", detail); // forwarded
203 } catch(anna::RuntimeException &ex) {
205 if(my_node->logEnabled()) my_node->writeLogFile(*message, "fwd2eError", detail); // forwarded
211 void MyLocalServer::eventUnknownResponse(anna::diameter::comm::ServerSession *serverSession, const anna::DataBlock &message)
212 throw(anna::RuntimeException) {
213 LOGMETHOD(anna::TraceMethod tm("launcher::MyLocalServer", "eventUnknownResponse", ANNA_FILE_LOCATION));
214 // Performance stats:
215 Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
216 RealmNode * my_node = my_app.getRealmNode(getEngine()->getRealm());
218 anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
221 std::string msg = "Out-of-context response received from client: ";
222 msg += anna::diameter::functions::commandIdAsPairString(cid);
223 msg += " | DiameterServer: ";
224 msg += anna::functions::socketLiteralAsString(serverSession->getAddress(), serverSession->getPort());
225 msg += " | EventTime: ";
226 msg += anna::time::functions::currentTimeAsString();
227 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
230 if(my_node->logEnabled()) my_node->writeLogFile(message, "recvfc-ans-unknown", serverSession->asString());
233 void MyLocalServer::eventDPA(anna::diameter::comm::ServerSession *serverSession, const anna::DataBlock &message)
234 throw(anna::RuntimeException) {
235 LOGMETHOD(anna::TraceMethod tm("launcher::MyLocalServer", "eventDPA", ANNA_FILE_LOCATION));
236 // Performance stats:
237 Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
238 RealmNode * my_node = my_app.getRealmNode(getEngine()->getRealm());
240 anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
243 std::string msg = "Disconnect-Peer-Answer response received from client: ";
244 msg += anna::diameter::functions::commandIdAsPairString(cid);
245 msg += " | DiameterServer: ";
246 msg += anna::functions::socketLiteralAsString(serverSession->getAddress(), serverSession->getPort());
247 msg += " | EventTime: ";
248 msg += anna::time::functions::currentTimeAsString();
249 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
252 if(my_node->logEnabled()) my_node->writeLogFile(message, "recvfc", serverSession->asString());