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/* Starshatter: The Open Source Project
Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
Copyright (c) 1997-2006, Destroyer Studios LLC.
AUTHOR: John DiCamillo
OVERVIEW
========
Network Link for Remote Player
*/
#ifndef NetLink_h
#define NetLink_h
#include <mutex>
#include <windows.h>
#include "NetAddr.h"
#include "NetSock.h"
#include "List.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;
std::mutex 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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