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/* Copyright (C) 2011 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef NETHOST_H
#define NETHOST_H
#include "ps/CStr.h"
#include <map>
/**
* @file
* Various declarations shared by networking code.
*/
typedef struct _ENetPeer ENetPeer;
typedef struct _ENetPacket ENetPacket;
typedef struct _ENetHost ENetHost;
class CNetMessage;
struct PlayerAssignment
{
/**
* Whether the player is currently connected and active.
* (We retain information on disconnected players to support rejoining,
* but don't transmit these to other clients.)
*/
bool m_Enabled;
/// Player name
CStrW m_Name;
/// The player that the given host controls, or -1 if none (observer)
i32 m_PlayerID;
};
typedef std::map<CStr, PlayerAssignment> PlayerAssignmentMap; // map from GUID -> assignment
/**
* Reasons sent by server to clients in disconnection messages.
* Must be kept in sync with binaries/data/mods/public/gui/common/network.js
*/
enum NetDisconnectReason
{
NDR_UNKNOWN = 0,
NDR_UNEXPECTED_SHUTDOWN,
NDR_INCORRECT_PROTOCOL_VERSION,
NDR_SERVER_ALREADY_IN_GAME
};
class CNetHost
{
public:
static const int DEFAULT_CHANNEL = 0;
/**
* Transmit a message to the given peer.
* @param message message to send
* @param peer peer to send to
* @param peerName name of peer for debug logs
* @return true on success, false on failure
*/
static bool SendMessage(const CNetMessage* message, ENetPeer* peer, const char* peerName);
/**
* Construct an ENet packet by serialising the given message.
* @return NULL on failure
*/
static ENetPacket* CreatePacket(const CNetMessage* message);
/**
* Initialize ENet.
* This must be called before any other networking code.
*/
static void Initialize();
/**
* Deinitialize ENet.
*/
static void Deinitialize();
};
#endif // NETHOST_H
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