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Diffstat (limited to 'NetEx/NetPeer.h')
-rw-r--r-- | NetEx/NetPeer.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/NetEx/NetPeer.h b/NetEx/NetPeer.h new file mode 100644 index 0000000..4849f2f --- /dev/null +++ b/NetEx/NetPeer.h @@ -0,0 +1,122 @@ +/* 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: NetPeer.h + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + One side of a UDP net link connection +*/ + + +#ifndef NetPeer_h +#define NetPeer_h + +#include <windows.h> +#include "NetAddr.h" +#include "List.h" +#include "ThreadSync.h" + +// +-------------------------------------------------------------------+ + +class NetGram; +class NetMsg; + +// +-------------------------------------------------------------------+ + +class NetPeer +{ +public: + static const char* TYPENAME() { return "NetPeer"; } + + enum STATUS { OK, SEND_OVERFLOW, RECV_OVERFLOW }; + + NetPeer(const NetAddr& addr, DWORD id); + ~NetPeer(); + + int operator == (const NetPeer& p) const { return netid == p.netid; } + + bool SendMessage(NetMsg* msg); + NetMsg* GetMessage(); + + NetGram* ComposeGram(); + bool ReceiveGram(NetGram* g, List<NetMsg>* q=0); + + const NetAddr& Address() const { return addr; } + DWORD NetID() const { return netid; } + DWORD Sequence() const { return sequence; } + + int GetMaxPPS() const { return pps; } + void SetMaxPPS(int p) { pps = p; } + int GetMaxBPS() const { return bps; } + void SetMaxBPS(int b) { bps = b; } + int GetMaxQSize() const { return max_qsize; } + void SetMaxQSize(int q) { max_qsize = q; } + + DWORD GetChunkSize() const { return chunk_size; } + void SetChunkSize(DWORD s) { chunk_size = s; } + + DWORD LastReceiveTime() const { return last_recv_time; } + void SetLastReceiveTime(DWORD t) { last_recv_time = t; } + +private: + bool OKtoSend() const; + void CheckMultiRecv(List<NetMsg>* q); + + NetAddr addr; // remote network address + DWORD sequence; // highest packet id received + DWORD netid; // unique id for this peer + int pps; // max packets per second + int bps; // max bits per second + int max_qsize; // max bytes in either queue + int status; // ok or error code + DWORD chunk_size; // size of multipart message chunk + + enum HIST { HIST_SIZE=8 }; + + DWORD last_recv_time; // time of last received packet + DWORD hist_time[HIST_SIZE]; // history for pps check + DWORD hist_size[HIST_SIZE]; // history for bps check + int hist_indx; // index into history + + int send_size; // total bytes in send list + int recv_size; // total bytes in recv list + List<NetMsg> send_list; // queue of messages waiting to be sent + List<NetMsg> recv_list; // queue of messages waiting to be read + + List<NetMsg> multi_send_list; + List<NetMsg> multi_recv_list; + + ThreadSync sync; +}; + + +#endif NetPeer_h
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