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/* Starshatter OpenSource Distribution
Copyright (c) 1997-2004, Destroyer Studios LLC.
All Rights Reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name "Destroyer Studios" nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
SUBSYSTEM: NetEx.lib
FILE: NetLink.h
AUTHOR: John DiCamillo
OVERVIEW
========
Network Link for Remote Player
*/
#ifndef NetLink_h
#define NetLink_h
#include <windows.h>
#include "NetAddr.h"
#include "NetSock.h"
#include "List.h"
#include "ThreadSync.h"
// +-------------------------------------------------------------------+
class NetGram;
class NetMsg;
class NetPeer;
// +-------------------------------------------------------------------+
class NetLink
{
public:
static const char* TYPENAME() { return "NetLink"; }
NetLink();
NetLink(NetAddr& a);
virtual ~NetLink();
int operator == (const NetLink& that) const { return this == &that; }
const NetAddr& GetAddress() const { return addr; }
DWORD AddPeer(const char* a, WORD p=12345);
DWORD AddPeer(DWORD a, WORD p=12345);
DWORD AddPeer(const NetAddr& a);
bool SendMessage(DWORD nid, void* d, int l, BYTE f=0);
bool SendMessage(DWORD nid, BYTE type, const char* text, int len, BYTE f=0);
bool SendMessage(NetMsg* msg);
NetMsg* GetMessage();
NetMsg* GetMessage(DWORD netid);
virtual void Shutdown();
DWORD DoSendRecv();
DWORD GetResendInterval() const { return resend_time; }
void SetResendInterval(DWORD t) { resend_time = t; }
DWORD GetTrafficInterval() const { return traffic_time; }
void SetTrafficInterval(DWORD t) { traffic_time = t; }
DWORD GetPacketsSent() const { return packets_sent; }
DWORD GetPacketsRecv() const { return packets_recv; }
DWORD GetBytesSent() const { return bytes_sent; }
DWORD GetBytesRecv() const { return bytes_recv; }
DWORD GetRetries() const { return retries; }
DWORD GetDrops() const { return drops; }
DWORD GetLag() const { return lag; }
NetPeer* FindPeer(const NetAddr& a);
NetPeer* FindPeer(DWORD netid);
protected:
void SendNetGram(NetGram* g);
NetGram* RecvNetGram();
void AckNetGram(NetGram* gram);
void ProcessAck(NetGram* gram);
void QueueNetGram(NetGram* gram);
void ReadPackets();
void SendPackets();
void DoRetries();
NetAddr addr;
NetSock sock;
List<NetGram> send_list;
List<NetMsg> recv_list;
List<NetPeer> peer_list;
HANDLE hnet;
bool shutdown;
ThreadSync sync;
DWORD resend_time;
DWORD traffic_time;
DWORD packets_sent;
DWORD packets_recv;
DWORD bytes_sent;
DWORD bytes_recv;
DWORD retries;
DWORD drops;
DWORD lag;
DWORD lag_samples[10];
int lag_index;
};
#endif NetLink_h
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