example/diameter/launcher/MyHandler.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 // Standard
  10 #include <string>
  11 #include <sstream>
  12 #include <iomanip>
  13
  14 // Project
  15 #include <anna/http/Request.hpp>
  16
  17 // Process
  18 #include <MyHandler.hpp>
  19 #include <Launcher.hpp>
  20
  21
  22 void MyHandler::evRequest(anna::comm::ClientSocket& clientSocket, const anna::http::Request& request)
  23 throw(anna::RuntimeException) {
  24   const anna::DataBlock& body = request.getBody();
  25
  26   if(body.getSize() == 0)
  27     throw anna::RuntimeException("Missing operation parameters on HTTP request", ANNA_FILE_LOCATION);
  28
  29   LOGINFORMATION(
  30     std::string msg("Received body: ");
  31     msg += anna::functions::asString(body);
  32     anna::Logger::information(msg, ANNA_FILE_LOCATION);
  33   );
  34   std::string body_content;
  35   body_content.assign(body.getData(), body.getSize());
  36   // Operation:
  37   std::string response_content;
  38
  39   bool opOk{};
  40
  41   try {
  42     Launcher& my_app = static_cast <Launcher&>(anna::app::functions::getApp());
  43     opOk = my_app.eventOperation(body_content, response_content);
  44   } catch(RuntimeException &ex) {
  45     ex.trace();
  46     opOk = false;
  47   }
  48
  49   anna::http::Response* response = allocateResponse();
  50   response->setStatusCode(200);  // http://en.wikipedia.org/wiki/List_of_HTTP_status_codes
  51
  52 // EXAMPLES TO SET HEADERS:
  53 //   response->find(anna::http::Header::Type::Date)->setValue("Mon, 30 Jan 2006 14:36:18 GMT");
  54 //   anna::http::Header* keepAlive = response->find("Keep-Alive");
  55 //
  56 //   if (keepAlive == NULL)
  57 //      keepAlive = response->createHeader("Keep-Alive");
  58 //
  59 //   keepAlive->setValue("Verificacion del cambio 1.0.7");
  60
  61   // Content-Type header:
  62   anna::http::Header* contentType = response->find("Content-Type");
  63   if (contentType == NULL)
  64     contentType = response->createHeader("Content-Type");
  65   contentType->setValue("application/json");
  66
  67   // Json Body for response:
  68   std::stringstream ss;
  69
  70   ss << R"({ "result":")" << (opOk ? "true":"false") << R"(", "data": )" << std::quoted(response_content) << R"( })";
  71   anna::DataBlock db_content(true);
  72   db_content = ss.str();
  73   response->setBody(db_content);
  74
  75   try {
  76     clientSocket.send(*response);
  77   } catch(Exception& ex) {
  78     ex.trace();
  79   }
  80 }