examples/s4u/dht-kademlia/message.hpp

   1 /* Copyright (c) 2012, 2014-2016. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #ifndef _KADEMLIA_TASK_HPP_
   8 #define _KADEMLIA_TASK_HPP_
   9 #include "answer.hpp"
  10 #include "simgrid/s4u.hpp"
  11
  12 namespace kademlia {
  13 class Answer;
  14
  15 class Message {
  16 public:
  17   unsigned int sender_id_             = 0;       // Id of the guy who sent the task
  18   unsigned int destination_id_        = 0;       // Id we are trying to find, if needed.
  19   Answer* answer_                     = nullptr; // Answer to the request made, if needed.
  20   simgrid::s4u::MailboxPtr answer_to_ = nullptr; // mailbox to send the answer to (if not an answer).
  21   char* issuer_host_name_             = nullptr; // used for logging
  22
  23   explicit Message(unsigned int sender_id, unsigned int destination_id, Answer* answer,
  24                    simgrid::s4u::MailboxPtr mailbox, const char* hostname)
  25       : sender_id_(sender_id)
  26       , destination_id_(destination_id)
  27       , answer_(answer)
  28       , answer_to_(mailbox)
  29       , issuer_host_name_(xbt_strdup(hostname))
  30   {
  31   }
  32   explicit Message(unsigned int sender_id, unsigned int destination_id, simgrid::s4u::MailboxPtr mailbox,
  33                    const char* hostname)
  34       : Message(sender_id, destination_id, nullptr, mailbox, hostname)
  35   {
  36   }
  37   ~Message()
  38   {
  39     if (issuer_host_name_)
  40       xbt_free(issuer_host_name_);
  41   }
  42 };
  43 }
  44 #endif