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.comm/Response.hpp>
14 #include <anna/diameter.comm/ClientSession.hpp>
15 #include <anna/diameter/helpers/base/functions.hpp>
16 #include <anna/diameter/helpers/dcca/functions.hpp>
19 #include <MyDiameterEngine.hpp>
20 #include <MyDiameterEntity.hpp>
21 #include <MyLocalServer.hpp>
22 #include <Launcher.hpp>
23 #include <RealmNode.hpp>
24 #include <TestManager.hpp>
27 void MyDiameterEntity::eventRequestRetransmission(const anna::diameter::comm::ClientSession* clientSession, anna::diameter::comm::Message *request) throw() {
29 LOGMETHOD(anna::TraceMethod tm("launcher::MyDiameterEntity", "eventRequestRetransmission", ANNA_FILE_LOCATION));
32 Entity::eventRequestRetransmission(clientSession, request); // warning trace
35 Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
36 RealmNode * my_node = my_app.getRealmNode(getEngine()->getRealm());
38 anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(request->getBody());
41 std::string msg = "Request retransmitted: ";
42 msg += anna::diameter::functions::commandIdAsPairString(cid);
43 msg += " | DiameterServer: ";
44 msg += anna::functions::socketLiteralAsString(clientSession->getAddress(), clientSession->getPort());
45 msg += " | EventTime: ";
46 msg += anna::time::functions::currentTimeAsString();
47 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
50 // Write retransmission
51 if(my_node->logEnabled()) my_node->writeLogFile(request->getBody(), "retry", clientSession->asString());
55 int MyDiameterEntity::readSocketId(const anna::diameter::comm::Message* message, int maxClientSessions) const throw() {
57 if(a_sessionBasedModelsType == "RoundRobin") return -1; // IEC also would return -1
60 // Service-Context-Id:
61 anna::diameter::helpers::dcca::ChargingContext::_v chargingContext;
62 std::string scid = anna::diameter::helpers::dcca::functions::getServiceContextId(message->getBody(), chargingContext);
64 switch(chargingContext) {
65 case anna::diameter::helpers::dcca::ChargingContext::Data:
66 case anna::diameter::helpers::dcca::ChargingContext::Voice:
67 case anna::diameter::helpers::dcca::ChargingContext::Content: {
68 // Session-Id: '<DiameterIdentity>;<high 32 bits>;<low 32 bits>[;<optional value>="">]'
69 std::string sid = anna::diameter::helpers::base::functions::getSessionId(message->getBody());
70 std::string diameterIdentity, optional;
72 anna::diameter::helpers::base::functions::decodeSessionId(sid, diameterIdentity, high, low /* context-teid */, optional);
74 if(a_sessionBasedModelsType == "SessionIdLowPart") return (low % maxClientSessions);
76 if(a_sessionBasedModelsType == "SessionIdHighPart") return (high % maxClientSessions);
78 if(a_sessionBasedModelsType == "SessionIdOptionalPart") return (atoi(optional.c_str()) % maxClientSessions);
80 case anna::diameter::helpers::dcca::ChargingContext::SMS:
81 case anna::diameter::helpers::dcca::ChargingContext::MMS:
82 case anna::diameter::helpers::dcca::ChargingContext::Unknown:
84 return -1; // IEC model and Unknown traffic types
86 } catch(anna::RuntimeException &ex) {
88 std::string msg = ex.getText();
89 msg += " | Round-robin between sessions will be used to send";
90 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
97 void MyDiameterEntity::eventRequest(anna::diameter::comm::ClientSession *clientSession, const anna::DataBlock &message)
98 throw(anna::RuntimeException) {
99 LOGMETHOD(anna::TraceMethod tm("launcher::MyDiameterEntity", "eventRequest", ANNA_FILE_LOCATION));
100 // Performance stats:
101 Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
102 RealmNode * my_node = my_app.getRealmNode(getEngine()->getRealm());
105 anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
108 std::string msg = "Request received: ";
109 msg += anna::diameter::functions::commandIdAsPairString(cid);
110 msg += " | DiameterServer: ";
111 msg += anna::functions::socketLiteralAsString(clientSession->getAddress(), clientSession->getPort());
112 msg += " | EventTime: ";
113 msg += anna::time::functions::currentTimeAsString();
114 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
118 if(my_node->logEnabled()) my_node->writeLogFile(message, "recvfe", clientSession->asString());
120 // Lookup reacting answers list:
121 int code = cid.first;
122 anna::diameter::codec::Message *answer_message = a_reactingAnswers.getMessage(code);
123 if (answer_message) {
125 my_app.getCommunicator()->prepareAnswer(answer_message, message);
126 anna::diameter::comm::Message *msg;
129 msg = my_node->createCommMessage();
130 msg->setBody(answer_message->code());
131 /* response = NULL =*/clientSession->send(msg);
133 if(my_node->logEnabled()) my_node->writeLogFile(*answer_message, "sent2e", clientSession->asString());
134 } catch(anna::RuntimeException &ex) {
137 if(my_node->logEnabled()) my_node->writeLogFile(*answer_message, "send2eError", clientSession->asString());
141 my_node->releaseCommMessage(msg);
143 // Pop front the reacting answer:
144 a_reactingAnswers.nextMessage(code);
150 std::string msg = "No answers programmed (maybe sold out) for request coming from entity: ";
151 msg += anna::diameter::functions::commandIdAsPairString(cid);
152 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
155 // not found: forward to client (if exists)
156 // Forward to client:
157 MyLocalServer *localServer = my_node->getDiameterServer();
159 if(localServer && (cid != anna::diameter::helpers::base::COMMANDID__Capabilities_Exchange_Request) /* don't forward CER */) {
161 anna::diameter::comm::Message *msg = my_node->createCommMessage();
162 msg->forwardEndToEnd(); // end-to-end will be kept
163 msg->setBody(message);
164 msg->setRequestClientSessionKey(clientSession->getKey());
165 bool success = localServer->send(msg);
168 if(my_node->logEnabled()) {
169 anna::diameter::comm::ServerSession *usedServerSession = localServer->getLastUsedResource();
170 std::string detail = usedServerSession ? usedServerSession->asString() : "<null server session>"; // esto no deberia ocurrir
171 my_node->writeLogFile(message, (success ? "fwd2c" : "fwd2cError"), detail);
173 } catch(anna::RuntimeException &ex) {
179 TestManager::instantiate().receiveMessage(message, my_node, clientSession);
182 void MyDiameterEntity::eventResponse(const anna::diameter::comm::Response &response)
183 throw(anna::RuntimeException) {
184 LOGMETHOD(anna::TraceMethod tm("launcher::MyDiameterEntity", "eventResponse", ANNA_FILE_LOCATION));
185 Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
186 RealmNode * my_node = my_app.getRealmNode(getEngine()->getRealm());
187 anna::diameter::comm::ClassCode::_v code = response.getClassCode();
188 anna::diameter::comm::Response::ResultCode::_v result = response.getResultCode();
189 anna::diameter::comm::Message* request = const_cast<anna::diameter::comm::Message*>(response.getRequest());
190 const anna::DataBlock* message = response.getMessage();
191 const anna::diameter::comm::ClientSession *clientSession = static_cast<const anna::diameter::comm::ClientSession *>(response.getSession());
192 bool isBindResponse = (code == anna::diameter::comm::ClassCode::Bind);
193 bool isApplicationMessage = (code == anna::diameter::comm::ClassCode::ApplicationMessage);
194 bool contextExpired = (result == anna::diameter::comm::Response::ResultCode::Timeout);
195 bool isUnavailable = (result == anna::diameter::comm::Response::ResultCode::DiameterUnavailable);
196 bool isOK = (result == anna::diameter::comm::Response::ResultCode::Success);
199 anna::diameter::CommandId request_cid = request->getCommandId();
202 std::string msg = "Response received for original diameter request: ";
203 msg += anna::diameter::functions::commandIdAsPairString(request_cid);
204 msg += " | Response: ";
205 msg += response.asString();
206 msg += " | DiameterServer: ";
207 msg += anna::functions::socketLiteralAsString(clientSession->getAddress(), clientSession->getPort());
208 msg += " | EventTime: ";
209 msg += anna::time::functions::currentTimeAsString();
210 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
214 //if (isApplicationMessage)
215 LOGWARNING(anna::Logger::warning("Diameter entity unavailable for Diameter Request", ANNA_FILE_LOCATION));
219 //if (isApplicationMessage)
220 LOGWARNING(anna::Logger::warning("Context Expired for Diameter Request which was sent to the entity", ANNA_FILE_LOCATION));
222 if(request_cid != anna::diameter::helpers::base::COMMANDID__Capabilities_Exchange_Request) { // don't trace CEA
223 if(my_node->logEnabled()) my_node->writeLogFile(*request, "req2e-expired", clientSession->asString());
229 std::string msg = "Received response for diameter message: ";
230 msg += anna::diameter::functions::commandIdAsPairString(request_cid);
231 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
235 if(request_cid != anna::diameter::helpers::base::COMMANDID__Capabilities_Exchange_Request) { // don't trace CEA
236 if(my_node->logEnabled()) {
237 my_node->writeLogFile(*message, "recvfe", clientSession->asString());
241 // Forward to client:
242 MyLocalServer *localServer = my_node->getDiameterServer();
244 if(localServer && (request_cid != anna::diameter::helpers::base::COMMANDID__Capabilities_Exchange_Request) /* don't forward CEA */) {
245 anna::diameter::comm::Message *msg;
248 msg = my_node->createCommMessage();
249 msg->forwardEndToEnd(); // end-to-end will be kept
250 msg->setBody(*message);
251 bool success = localServer->send(msg, request->getRequestServerSessionKey());
254 anna::diameter::comm::ServerSession *usedServerSession = my_node->getMyDiameterEngine()->findServerSession(request->getRequestServerSessionKey());
255 std::string detail = usedServerSession ? usedServerSession->asString() : "<null server session>"; // esto no deberia ocurrir
257 if(my_node->logEnabled()) {
258 my_node->writeLogFile(*message, (success ? "fwd2c" : "fwd2cError"), detail);
260 } catch(anna::RuntimeException &ex) {
265 my_node->releaseCommMessage(msg);
266 my_node->releaseCommMessage(request);
271 if(isOK || contextExpired) my_node->sendBurstMessage();
274 TestManager::instantiate().receiveMessage(*message, my_node, clientSession);
277 void MyDiameterEntity::eventUnknownResponse(anna::diameter::comm::ClientSession *clientSession, const anna::DataBlock &message)
278 throw(anna::RuntimeException) {
279 LOGMETHOD(anna::TraceMethod tm("launcher::MyDiameterEntity", "eventUnknownResponse", ANNA_FILE_LOCATION));
280 // Performance stats:
281 Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
282 RealmNode * my_node = my_app.getRealmNode(getEngine()->getRealm());
284 anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
287 std::string msg = "Out-of-context response received from entity: ";
288 msg += anna::diameter::functions::commandIdAsPairString(cid);
289 msg += " | DiameterServer: ";
290 msg += anna::functions::socketLiteralAsString(clientSession->getAddress(), clientSession->getPort());
291 msg += " | EventTime: ";
292 msg += anna::time::functions::currentTimeAsString();
293 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
297 if(my_node->logEnabled()) my_node->writeLogFile(message, "recvfe-ans-unknown", clientSession->asString());
300 void MyDiameterEntity::eventDPA(anna::diameter::comm::ClientSession *clientSession, const anna::DataBlock &message)
301 throw(anna::RuntimeException) {
302 LOGMETHOD(anna::TraceMethod tm("launcher::MyDiameterEntity", "eventDPA", ANNA_FILE_LOCATION));
303 // Performance stats:
304 Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
305 RealmNode * my_node = my_app.getRealmNode(getEngine()->getRealm());
307 anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
310 std::string msg = "Disconnect-Peer-Answer received from entity: ";
311 msg += anna::diameter::functions::commandIdAsPairString(cid);
312 msg += " | DiameterServer: ";
313 msg += anna::functions::socketLiteralAsString(clientSession->getAddress(), clientSession->getPort());
314 msg += " | EventTime: ";
315 msg += anna::time::functions::currentTimeAsString();
316 anna::Logger::debug(msg, ANNA_FILE_LOCATION);
320 if(my_node->logEnabled()) my_node->writeLogFile(message, "recvfe", clientSession->asString());
323 TestManager::instantiate().receiveMessage(message, my_node, clientSession);