source: network-game/common/MessageProcessor.h@ dee75cc

#ifndef _MESSAGE_PROCESSOR_H
#define _MESSAGE_PROCESSOR_H

#include <map>

#include "Compiler.h"

#if defined WINDOWS
   #include <winsock2.h>
   #include <WS2tcpip.h>
#elif defined LINUX
   #include <netinet/in.h>
#endif

#define MSG_TYPE_ACK               1
#define MSG_TYPE_REGISTER          2
#define MSG_TYPE_LOGIN             3
#define MSG_TYPE_LOGOUT            4
#define MSG_TYPE_CHAT              5
#define MSG_TYPE_PLAYER            6  // server sends this to update player positions
#define MSG_TYPE_PLAYER_MOVE       7  // client sends this when a player wants to move
#define MSG_TYPE_OBJECT            8
#define MSG_TYPE_REMOVE_OBJECT     9
#define MSG_TYPE_PICKUP_FLAG       10
#define MSG_TYPE_DROP_FLAG         11
#define MSG_TYPE_SCORE             12
#define MSG_TYPE_START_ATTACK      13
#define MSG_TYPE_ATTACK            14
#define MSG_TYPE_PROJECTILE        15
#define MSG_TYPE_REMOVE_PROJECTILE 16

typedef struct
{
   unsigned int id;
   unsigned short type;
   char buffer[256];
} NETWORK_MSG;

using namespace std;

class MessageProcessor {
public:
   MessageProcessor();
   ~MessageProcessor();

   int sendMessage(NETWORK_MSG *msg, int sock, struct sockaddr_in *dest);
   int receiveMessage(NETWORK_MSG *msg, int sock, struct sockaddr_in *dest);
   void resendUnackedMessages(int sock);
   void cleanAckedMessages();

private:
   // this should eventually just replace the Message struct
   class MessageContainer {
   public:
      MessageContainer() {
      }

      MessageContainer(const MessageContainer& mc) {
         this->msg = mc.msg;
         this->clientAddr = mc.clientAddr;
      }

      MessageContainer(NETWORK_MSG msg, struct sockaddr_in clientAddr) {
         this->clientAddr = clientAddr;
         this->msg = msg;
      }

      ~MessageContainer() {
      }

      NETWORK_MSG msg;
      struct sockaddr_in clientAddr;
      bool isAcked;
      unsigned long long timeAcked;
   };

   int lastUsedId;

   // map from message ids to maps from player addresses to message info
   map<int, map<unsigned long, MessageContainer> > sentMessages;

   // map from message ids to the time each mesage was acked
   map<unsigned int, unsigned long long> ackedMessages;
};

#endif