example/diameter/launcher/MyDiameterEntity.cpp

   1 // ANNA - Anna is Not Nothingness Anymore                                                         //
   2 //                                                                                                //
   3 // (c) Copyright 2005-2015 Eduardo Ramos Testillano & Francisco Ruiz Rayo                         //
   4 //                                                                                                //
   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 //
   7
   8
   9 // Project
  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
  15 // Process
  16 #include "MyDiameterEntity.hpp"
  17 #include "Launcher.hpp"
  18
  19
  20 void MyDiameterEntity::eventRequest(anna::diameter::comm::ClientSession *clientSession, const anna::DataBlock &message)
  21 throw(anna::RuntimeException) {
  22   LOGMETHOD(anna::TraceMethod tm("launcher::MyDiameterEntity", "eventRequest", ANNA_FILE_LOCATION));
  23   // Performance stats:
  24   Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
  25   CommandLine& cl(anna::CommandLine::instantiate());
  26   // CommandId:
  27   anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
  28   LOGDEBUG
  29   (
  30     std::string msg = "Request received: ";
  31     msg += anna::diameter::functions::commandIdAsPairString(cid);
  32     msg += " | DiameterServer: ";
  33     msg += anna::functions::socketLiteralAsString(clientSession->getAddress(), clientSession->getPort());
  34     msg += " | EventTime: ";
  35     msg += anna::time::functions::currentTimeAsString();
  36     anna::Logger::debug(msg, ANNA_FILE_LOCATION);
  37   );
  38
  39   // Write reception
  40   if(my_app.logEnabled()) my_app.writeLogFile(message, "recvfe", clientSession->asString());
  41
  42   // Lookup reacting answers list:
  43   int code = cid.first;
  44   anna::diameter::codec::Message *answer_message = a_reactingAnswers.getMessage(code);
  45   if (answer_message) {
  46     // Prepare answer:
  47     my_app.getCommunicator()->prepareAnswer(answer_message, message);
  48
  49     try {
  50       anna::diameter::comm::Message *msg = my_app.createCommMessage();
  51       msg->setBody(answer_message->code());
  52       /* response = NULL =*/clientSession->send(msg);
  53       my_app.releaseCommMessage(msg);
  54
  55       if(my_app.logEnabled()) my_app.writeLogFile(*answer_message, "sent2e", clientSession->asString());
  56     } catch(anna::RuntimeException &ex) {
  57       ex.trace();
  58
  59       if(my_app.logEnabled()) my_app.writeLogFile(*answer_message, "send2eError", clientSession->asString());
  60     }
  61
  62     // Pop front the reacting answer:
  63     a_reactingAnswers.nextMessage(code);
  64     return;
  65   }
  66
  67   LOGDEBUG
  68   (
  69     std::string msg = "No answers programmed (maybe sold out) for request coming from entity: ";
  70     msg += anna::diameter::functions::commandIdAsPairString(cid);
  71     anna::Logger::debug(msg, ANNA_FILE_LOCATION);
  72   );
  73
  74   // not found: forward to client (if exists)
  75   // Forward to client:
  76   anna::diameter::comm::LocalServer *localServer = my_app.getDiameterLocalServer();
  77
  78   if(localServer && (cid != anna::diameter::helpers::base::COMMANDID__Capabilities_Exchange_Request) /* don't forward CER */) {
  79     try {
  80       anna::diameter::comm::Message *msg = my_app.createCommMessage();
  81       msg->updateEndToEnd(false); // end-to-end will be kept
  82       msg->setBody(message);
  83       msg->setRequestClientSessionKey(clientSession->getKey());
  84       bool success = localServer->send(msg);
  85
  86       // Detailed log:
  87       if(my_app.logEnabled()) {
  88         anna::diameter::comm::ServerSession *usedServerSession = localServer->getLastUsedResource();
  89         std::string detail = usedServerSession ? usedServerSession->asString() : "<null server session>"; // esto no deberia ocurrir
  90         my_app.writeLogFile(message, (success ? "fwd2c" : "fwd2cError"), detail);
  91       }
  92     } catch(anna::RuntimeException &ex) {
  93       ex.trace();
  94     }
  95   }
  96 }
  97
  98 void MyDiameterEntity::eventResponse(const anna::diameter::comm::Response &response)
  99 throw(anna::RuntimeException) {
 100   LOGMETHOD(anna::TraceMethod tm("launcher::MyDiameterEntity", "eventResponse", ANNA_FILE_LOCATION));
 101   Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
 102   CommandLine& cl(anna::CommandLine::instantiate());
 103   anna::diameter::comm::ClassCode::_v code = response.getClassCode();
 104   anna::diameter::comm::Response::ResultCode::_v result = response.getResultCode();
 105   anna::diameter::comm::Message* request = const_cast<anna::diameter::comm::Message*>(response.getRequest());
 106   const anna::DataBlock* message = response.getMessage();
 107   const anna::diameter::comm::ClientSession *clientSession = static_cast<const anna::diameter::comm::ClientSession *>(response.getSession());
 108   bool isBindResponse = (code == anna::diameter::comm::ClassCode::Bind);
 109   bool isApplicationMessage = (code == anna::diameter::comm::ClassCode::ApplicationMessage);
 110   bool contextExpired = (result == anna::diameter::comm::Response::ResultCode::Timeout);
 111   bool isUnavailable = (result == anna::diameter::comm::Response::ResultCode::DiameterUnavailable);
 112   bool isOK = (result == anna::diameter::comm::Response::ResultCode::Success);
 113   // CommandId:
 114   anna::diameter::CommandId request_cid = request->getCommandId();
 115   LOGDEBUG
 116   (
 117     std::string msg = "Response received for original diameter request: ";
 118     msg += anna::diameter::functions::commandIdAsPairString(request_cid);
 119     msg += " | Response: ";
 120     msg += response.asString();
 121     msg += " | DiameterServer: ";
 122     msg += anna::functions::socketLiteralAsString(clientSession->getAddress(), clientSession->getPort());
 123     msg += " | EventTime: ";
 124     msg += anna::time::functions::currentTimeAsString();
 125     anna::Logger::debug(msg, ANNA_FILE_LOCATION);
 126   );
 127
 128   if(isUnavailable) {
 129     //if (isApplicationMessage)
 130     LOGWARNING(anna::Logger::warning("Diameter entity unavailable for Diameter Request", ANNA_FILE_LOCATION));
 131   }
 132
 133   if(contextExpired) {
 134     //if (isApplicationMessage)
 135     LOGWARNING(anna::Logger::warning("Context Expired for Diameter Request which was sent to the entity", ANNA_FILE_LOCATION));
 136
 137     if(request_cid != anna::diameter::helpers::base::COMMANDID__Capabilities_Exchange_Request) {  // don't trace CEA
 138       if(my_app.logEnabled()) my_app.writeLogFile(*request, "req2e-expired", clientSession->asString());
 139     }
 140   }
 141
 142   if(isOK) {
 143     LOGDEBUG(
 144       std::string msg = "Received response for diameter message:  ";
 145       msg += anna::diameter::functions::commandIdAsPairString(request_cid);
 146       anna::Logger::debug(msg, ANNA_FILE_LOCATION);
 147     );
 148     // Write reception
 149     if(request_cid != anna::diameter::helpers::base::COMMANDID__Capabilities_Exchange_Request) {  // don't trace CEA
 150       if(my_app.logEnabled()) {
 151         my_app.writeLogFile(*message, "recvfe", clientSession->asString());
 152       }
 153     }
 154
 155     // Forward to client:
 156     anna::diameter::comm::LocalServer *localServer = my_app.getDiameterLocalServer();
 157
 158     if(localServer && (request_cid != anna::diameter::helpers::base::COMMANDID__Capabilities_Exchange_Request) /* don't forward CEA */) {
 159       try {
 160         anna::diameter::comm::Message *msg = my_app.createCommMessage();
 161         msg->updateEndToEnd(false); // end-to-end will be kept
 162         msg->setBody(*message);
 163         bool success = localServer->send(msg, request->getRequestServerSessionKey());
 164         my_app.releaseCommMessage(msg);
 165         my_app.releaseCommMessage(request);
 166
 167         // Detailed log:
 168         anna::diameter::comm::ServerSession *usedServerSession = my_app.getMyDiameterEngine()->findServerSession(request->getRequestServerSessionKey());
 169         std::string detail = usedServerSession ? usedServerSession->asString() : "<null server session>"; // esto no deberia ocurrir
 170
 171         if(my_app.logEnabled()) {
 172           my_app.writeLogFile(*message, (success ? "fwd2c" : "fwd2cError"), detail);
 173         }
 174       } catch(anna::RuntimeException &ex) {
 175         ex.trace();
 176       }
 177     }
 178   }
 179
 180   // Triggering burst:
 181   if(isOK || contextExpired) my_app.sendBurstMessage();
 182 }
 183
 184 void MyDiameterEntity::eventUnknownResponse(anna::diameter::comm::ClientSession *clientSession, const anna::DataBlock &message)
 185 throw(anna::RuntimeException) {
 186   LOGMETHOD(anna::TraceMethod tm("launcher::MyDiameterEntity", "eventUnknownResponse", ANNA_FILE_LOCATION));
 187   // Performance stats:
 188   Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
 189   // CommandId:
 190   anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
 191   LOGDEBUG
 192   (
 193     std::string msg = "Out-of-context response received from entity: ";
 194     msg += anna::diameter::functions::commandIdAsPairString(cid);
 195     msg += " | DiameterServer: ";
 196     msg += anna::functions::socketLiteralAsString(clientSession->getAddress(), clientSession->getPort());
 197     msg += " | EventTime: ";
 198     msg += anna::time::functions::currentTimeAsString();
 199     anna::Logger::debug(msg, ANNA_FILE_LOCATION);
 200   );
 201
 202   // Write reception
 203   if(my_app.logEnabled()) my_app.writeLogFile(message, "recvfe-ans-unknown", clientSession->asString());
 204 }
 205
 206 void MyDiameterEntity::eventDPA(anna::diameter::comm::ClientSession *clientSession, const anna::DataBlock &message)
 207 throw(anna::RuntimeException) {
 208   LOGMETHOD(anna::TraceMethod tm("launcher::MyDiameterEntity", "eventDPA", ANNA_FILE_LOCATION));
 209   // Performance stats:
 210   Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
 211   // CommandId:
 212   anna::diameter::CommandId cid = anna::diameter::codec::functions::getCommandId(message);
 213   LOGDEBUG
 214   (
 215     std::string msg = "Disconnect-Peer-Answer received from entity: ";
 216     msg += anna::diameter::functions::commandIdAsPairString(cid);
 217     msg += " | DiameterServer: ";
 218     msg += anna::functions::socketLiteralAsString(clientSession->getAddress(), clientSession->getPort());
 219     msg += " | EventTime: ";
 220     msg += anna::time::functions::currentTimeAsString();
 221     anna::Logger::debug(msg, ANNA_FILE_LOCATION);
 222   );
 223
 224   // Write reception
 225   if(my_app.logEnabled()) my_app.writeLogFile(message, "recvfe", clientSession->asString());
 226 }