1 (* Copyright (C) Doom 2D: Forever Developers
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, version 3 of the License ONLY.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 {$INCLUDE ../shared/a_modes.inc}
21 e_log
, e_msg
, utils
, ENet
, Classes
, md5
, MAPDEF
{$IFDEF USE_MINIUPNPC}, miniupnpc
;{$ELSE};{$ENDIF}
24 NET_PROTOCOL_VER
= 188;
30 NET_CHAN_IMPORTANT
= 1;
33 NET_CHAN_PLAYERPOS
= 4;
35 NET_CHAN_MONSTERPOS
= 6;
36 NET_CHAN_LARGEDATA
= 7;
38 NET_CHAN_DOWNLOAD
= 9;
40 NET_CHAN_DOWNLOAD_EX
= 11;
47 NET_PING_PORT
= $DF2D;
54 NET_DISC_NONE
: enet_uint32
= 0;
55 NET_DISC_PROTOCOL
: enet_uint32
= 1;
56 NET_DISC_VERSION
: enet_uint32
= 2;
57 NET_DISC_FULL
: enet_uint32
= 3;
58 NET_DISC_KICK
: enet_uint32
= 4;
59 NET_DISC_DOWN
: enet_uint32
= 5;
60 NET_DISC_PASSWORD
: enet_uint32
= 6;
61 NET_DISC_TEMPBAN
: enet_uint32
= 7;
62 NET_DISC_BAN
: enet_uint32
= 8;
63 NET_DISC_MAX
: enet_uint32
= 8;
64 NET_DISC_FILE_TIMEOUT
: enet_uint32
= 13;
70 NET_CONNECT_TIMEOUT
= 1000 * 10;
72 BANLIST_FILENAME
= 'banlist.txt';
73 NETDUMP_FILENAME
= 'netdump';
76 TNetMapResourceInfo
= record
77 wadName
: AnsiString; // wad file name, without a path
78 size
: Integer; // wad file size (-1: size and hash are not known)
79 hash
: TMD5Digest
; // wad hash
82 TNetMapResourceInfoArray
= array of TNetMapResourceInfo
;
84 TNetFileTransfer
= record
88 size
: Integer; // file size in bytes
90 lastSentChunk
: Integer;
91 lastAckChunk
: Integer;
92 lastAckTime
: Int64; // msecs; if not "in progress", we're waiting for the first ack
94 diskBuffer
: PChar; // of `chunkSize` bytes
104 RequestedFullUpdate
: Boolean;
105 WaitForFirstSpawn
: Boolean; // set to `true` in server, used to spawn a player on first full state request
106 FullUpdateSent
: Boolean;
112 Transfer
: TNetFileTransfer
; // only one transfer may be active
113 NetOut
: array [0..1] of TMsg
;
119 pTNetClient
= ^TNetClient
;
121 AByte
= array of Byte;
124 NetInitDone
: Boolean = False;
125 NetMode
: Byte = NET_NONE
;
126 NetDump
: Boolean = False;
128 NetServerName
: string = 'Unnamed Server';
129 NetPassword
: string = '';
130 NetPort
: Word = 25666;
132 NetAllowRCON
: Boolean = False;
133 NetRCONPassword
: string = '';
135 NetTimeToUpdate
: Cardinal = 0;
136 NetTimeToReliable
: Cardinal = 0;
137 NetTimeToMaster
: Cardinal = 0;
139 NetHost
: pENetHost
= nil;
140 NetPeer
: pENetPeer
= nil;
142 NetAddr
: ENetAddress
;
144 NetPongAddr
: ENetAddress
;
145 NetPongSock
: ENetSocket
= ENET_SOCKET_NULL
;
147 NetUseMaster
: Boolean = True;
148 NetMasterList
: string = 'mpms.doom2d.org:25665, deadsoftware.ru:25665';
150 NetClientIP
: string = '127.0.0.1';
151 NetClientPort
: Word = 25666;
154 NetBuf
: array [0..1] of TMsg
;
156 NetClients
: array of TNetClient
;
157 NetClientCount
: Byte = 0;
158 NetMaxClients
: Byte = 255;
159 NetBannedHosts
: array of TBanRecord
;
161 NetAutoBanLimit
: Integer = 5;
162 NetAutoBanPerm
: Boolean = True;
163 NetAutoBanWarn
: Boolean = False;
164 NetAutoBanForTimeout
: Boolean = False;
166 NetAuthTimeout
: Integer = 30 * 1000;
167 NetPacketTimeout
: Integer = 60 * 1000;
169 NetState
: Integer = NET_STATE_NONE
;
171 NetMyID
: Integer = -1;
172 NetPlrUID1
: Integer = -1;
173 NetPlrUID2
: Integer = -1;
175 NetInterpLevel
: Integer = 1;
176 NetUpdateRate
: Cardinal = 0; // as soon as possible
177 NetRelupdRate
: Cardinal = 18; // around two times a second
178 NetMasterRate
: Cardinal = 60000;
180 NetForcePlayerUpdate
: Boolean = False;
181 NetPredictSelf
: Boolean = True;
182 NetForwardPorts
: Boolean = False;
184 NetGotEverything
: Boolean = False;
185 NetGotKeys
: Boolean = False;
187 NetDeafLevel
: Integer = 0;
189 {$IFDEF USE_MINIUPNPC}
190 NetPortForwarded
: Word = 0;
191 NetPongForwarded
: Boolean = False;
192 NetIGDControl
: AnsiString;
193 NetIGDService
: TURLStr
;
196 NetPortThread
: TThreadID
= NilThreadId
;
198 NetDumpFile
: TStream
;
200 g_Res_received_map_start
: Integer = 0; // set if we received "map change" event
203 function g_Net_Init(): Boolean;
204 procedure g_Net_Cleanup();
205 procedure g_Net_Free();
206 procedure g_Net_Flush();
208 function g_Net_Host(IPAddr
: LongWord; Port
: enet_uint16
; MaxClients
: Cardinal = 16): Boolean;
209 procedure g_Net_Host_Die();
210 procedure g_Net_Host_Send(ID
: Integer; Reliable
: Boolean; Chan
: Byte = NET_CHAN_GAME
);
211 procedure g_Net_Host_Update();
213 function g_Net_Connect(IP
: string; Port
: enet_uint16
): Boolean;
214 procedure g_Net_Disconnect(Forced
: Boolean = False);
215 procedure g_Net_Client_Send(Reliable
: Boolean; Chan
: Byte = NET_CHAN_GAME
);
216 procedure g_Net_Client_Update();
218 function g_Net_Client_ByName(Name
: string): pTNetClient
;
219 function g_Net_Client_ByPlayer(PID
: Word): pTNetClient
;
220 function g_Net_ClientName_ByID(ID
: Integer): string;
222 procedure g_Net_SendData(Data
: AByte
; peer
: pENetPeer
; Reliable
: Boolean; Chan
: Byte = NET_CHAN_DOWNLOAD
);
223 //function g_Net_Wait_Event(msgId: Word): TMemoryStream;
224 //function g_Net_Wait_FileInfo (var tf: TNetFileTransfer; asMap: Boolean; out resList: TStringList): Integer;
226 function IpToStr(IP
: LongWord): string;
227 function StrToIp(IPstr
: string; var IP
: LongWord): Boolean;
229 function g_Net_IsHostBanned(IP
: LongWord; Perm
: Boolean = False): Boolean;
230 procedure g_Net_BanHost(IP
: LongWord; Perm
: Boolean = True); overload
;
231 procedure g_Net_BanHost(IP
: string; Perm
: Boolean = True); overload
;
232 function g_Net_UnbanHost(IP
: string): Boolean; overload
;
233 function g_Net_UnbanHost(IP
: LongWord): Boolean; overload
;
234 procedure g_Net_UnbanNonPermHosts();
235 procedure g_Net_SaveBanList();
237 procedure g_Net_Penalize(C
: pTNetClient
; Reason
: string);
239 procedure g_Net_DumpStart();
240 procedure g_Net_DumpSendBuffer();
241 procedure g_Net_DumpRecvBuffer(Buf
: penet_uint8
; Len
: LongWord);
242 procedure g_Net_DumpEnd();
244 function g_Net_ForwardPorts(ForwardPongPort
: Boolean = True): Boolean;
245 procedure g_Net_UnforwardPorts();
247 function g_Net_UserRequestExit
: Boolean;
249 function g_Net_Wait_MapInfo (var tf
: TNetFileTransfer
; var resList
: TNetMapResourceInfoArray
): Integer;
250 function g_Net_RequestResFileInfo (resIndex
: LongInt; out tf
: TNetFileTransfer
): Integer;
251 function g_Net_AbortResTransfer (var tf
: TNetFileTransfer
): Boolean;
252 function g_Net_ReceiveResourceFile (resIndex
: LongInt; var tf
: TNetFileTransfer
; strm
: TStream
): Integer;
254 function g_Net_IsNetworkAvailable (): Boolean;
255 procedure g_Net_InitLowLevel ();
256 procedure g_Net_DeinitLowLevel ();
258 procedure NetServerCVars(P
: SSArray
);
263 // *enet_host_service()*
264 // fuck! https://www.mail-archive.com/enet-discuss@cubik.org/msg00852.html
265 // tl;dr: on shitdows, we can get -1 sometimes, and it is *NOT* a failure.
266 // thank you, enet. let's ignore failures altogether then.
271 g_nethandler
, g_netmsg
, g_netmaster
, g_player
, g_window
, g_console
,
272 g_main
, g_game
, g_language
, g_weapons
, ctypes
, g_system
, g_map
;
275 FILE_CHUNK_SIZE
= 8192;
278 enet_init_success
: Boolean = false;
279 g_Net_DownloadTimeout
: Single;
283 function g_Net_IsNetworkAvailable (): Boolean;
285 result
:= enet_init_success
;
288 procedure g_Net_InitLowLevel ();
291 v
:= enet_linked_version();
292 e_LogWritefln('ENet Version: %s.%s.%s', [ENET_VERSION_GET_MAJOR(v
), ENET_VERSION_GET_MINOR(v
), ENET_VERSION_GET_PATCH(v
)]);
293 if enet_init_success
then raise Exception
.Create('wuta?!');
294 enet_init_success
:= (enet_initialize() = 0);
297 procedure g_Net_DeinitLowLevel ();
299 if enet_init_success
then
302 enet_init_success
:= false;
307 //**************************************************************************
311 //**************************************************************************
313 procedure clearNetClientTransfers (var nc
: TNetClient
);
315 nc
.Transfer
.stream
.Free
;
316 nc
.Transfer
.diskName
:= ''; // just in case
317 if (nc
.Transfer
.diskBuffer
<> nil) then FreeMem(nc
.Transfer
.diskBuffer
);
318 nc
.Transfer
.stream
:= nil;
319 nc
.Transfer
.diskBuffer
:= nil;
323 procedure clearNetClient (var nc
: TNetClient
);
325 clearNetClientTransfers(nc
);
329 procedure clearNetClients (clearArray
: Boolean);
333 for f
:= Low(NetClients
) to High(NetClients
) do clearNetClient(NetClients
[f
]);
334 if (clearArray
) then SetLength(NetClients
, 0);
338 function g_Net_UserRequestExit (): Boolean;
340 Result
:= {e_KeyPressed(IK_SPACE) or}
341 e_KeyPressed(IK_ESCAPE
) or
342 e_KeyPressed(VK_ESCAPE
) or
343 e_KeyPressed(JOY0_JUMP
) or
344 e_KeyPressed(JOY1_JUMP
) or
345 e_KeyPressed(JOY2_JUMP
) or
346 e_KeyPressed(JOY3_JUMP
)
349 //**************************************************************************
351 // file transfer declaraions and host packet processor
353 //**************************************************************************
356 // server packet type
357 NTF_SERVER_DONE
= 10; // done with this file
358 NTF_SERVER_FILE_INFO
= 11; // sent after client request
359 NTF_SERVER_CHUNK
= 12; // next chunk; chunk number follows
360 NTF_SERVER_ABORT
= 13; // server abort
361 NTF_SERVER_MAP_INFO
= 14;
363 // client packet type
364 NTF_CLIENT_MAP_REQUEST
= 100; // map file request; also, returns list of additional wads to download
365 NTF_CLIENT_FILE_REQUEST
= 101; // resource file request (by index)
366 NTF_CLIENT_ABORT
= 102; // do not send requested file, or abort current transfer
367 NTF_CLIENT_START
= 103; // start transfer; client may resume download by sending non-zero starting chunk
368 NTF_CLIENT_ACK
= 104; // chunk ack; chunk number follows
371 // disconnect client due to some file transfer error
372 procedure killClientByFT (var nc
: TNetClient
);
374 e_LogWritefln('disconnected client #%d due to file transfer error', [nc
.ID
], TMsgType
.Warning
);
375 enet_peer_disconnect(nc
.Peer
, NET_DISC_FILE_TIMEOUT
);
376 clearNetClientTransfers(nc
);
377 g_Net_Slist_ServerPlayerLeaves();
381 // send file transfer message from server to client
382 function ftransSendServerMsg (var nc
: TNetClient
; var m
: TMsg
): Boolean;
387 if (m
.CurSize
< 1) then exit
;
388 pkt
:= enet_packet_create(m
.Data
, m
.CurSize
, ENET_PACKET_FLAG_RELIABLE
);
389 if not Assigned(pkt
) then begin killClientByFT(nc
); exit
; end;
390 if (enet_peer_send(nc
.Peer
, NET_CHAN_DOWNLOAD_EX
, pkt
) <> 0) then begin killClientByFT(nc
); exit
; end;
395 // send file transfer message from client to server
396 function ftransSendClientMsg (var m
: TMsg
): Boolean;
401 if (m
.CurSize
< 1) then exit
;
402 pkt
:= enet_packet_create(m
.Data
, m
.CurSize
, ENET_PACKET_FLAG_RELIABLE
);
403 if not Assigned(pkt
) then exit
;
404 if (enet_peer_send(NetPeer
, NET_CHAN_DOWNLOAD_EX
, pkt
) <> 0) then exit
;
410 procedure ProcessChunkSend (var nc
: TNetClient
);
412 tf
: ^TNetFileTransfer
;
418 if (tf
.stream
= nil) then exit
;
420 // arbitrary timeout number
421 if (ct
-tf
.lastAckTime
>= 5000) then
426 // check if we need to send something
427 if (not tf
.inProgress
) then exit
; // waiting for the initial ack
428 // ok, we're sending chunks
429 if (tf
.lastAckChunk
<> tf
.lastSentChunk
) then exit
;
430 Inc(tf
.lastSentChunk
);
431 // do it one chunk at a time; client ack will advance our chunk counter
432 chunks
:= (tf
.size
+tf
.chunkSize
-1) div tf
.chunkSize
;
434 if (tf
.lastSentChunk
> chunks
) then
441 if (tf
.lastSentChunk
= chunks
) then
443 // we're done with this file
444 e_LogWritefln('download: client #%d, DONE sending chunks #%d/#%d', [nc
.ID
, tf
.lastSentChunk
, chunks
]);
445 trans_omsg
.Write(Byte(NTF_SERVER_DONE
));
446 clearNetClientTransfers(nc
);
451 trans_omsg
.Write(Byte(NTF_SERVER_CHUNK
));
452 trans_omsg
.Write(LongInt(tf
.lastSentChunk
));
454 rd
:= tf
.size
-(tf
.lastSentChunk
*tf
.chunkSize
);
455 if (rd
> tf
.chunkSize
) then rd
:= tf
.chunkSize
;
456 trans_omsg
.Write(LongInt(rd
));
457 //e_LogWritefln('download: client #%d, sending chunk #%d/#%d (%d bytes)', [nc.ID, tf.lastSentChunk, chunks, rd]);
458 //FIXME: check for errors here
460 tf
.stream
.Seek(tf
.lastSentChunk
*tf
.chunkSize
, soFromBeginning
);
461 tf
.stream
.ReadBuffer(tf
.diskBuffer
^, rd
);
462 trans_omsg
.WriteData(tf
.diskBuffer
, rd
);
469 ftransSendServerMsg(nc
, trans_omsg
);
473 // server file transfer packet processor
474 // received packet is in `NetEvent`
475 procedure ProcessDownloadExPacket ();
482 tf
: ^TNetFileTransfer
;
492 // find client index by peer
493 for f
:= Low(NetClients
) to High(NetClients
) do
495 if (not NetClients
[f
].Used
) then continue
;
496 if (NetClients
[f
].Peer
= NetEvent
.peer
) then
502 //e_LogWritefln('RECEIVE: dlpacket; client=%d (datalen=%u)', [nid, NetEvent.packet^.dataLength]);
504 if (nid
< 0) then exit
; // wtf?!
505 nc
:= @NetClients
[nid
];
507 if (NetEvent
.packet
^.dataLength
= 0) then
513 // don't time out clients during a file transfer
514 if (NetAuthTimeout
> 0) then
515 nc
^.AuthTime
:= gTime
+ NetAuthTimeout
;
516 if (NetPacketTimeout
> 0) then
517 nc
^.MsgTime
:= gTime
+ NetPacketTimeout
;
519 tf
:= @NetClients
[nid
].Transfer
;
520 tf
.lastAckTime
:= GetTimerMS();
522 cmd
:= Byte(NetEvent
.packet
^.data
^);
523 //e_LogWritefln('RECEIVE: nid=%d; cmd=%u', [nid, cmd]);
525 NTF_CLIENT_FILE_REQUEST
: // file request
527 if (tf
.stream
<> nil) then
532 if (NetEvent
.packet
^.dataLength
< 2) then
537 // new transfer request; build packet
538 if not msg
.Init(NetEvent
.packet
^.data
+1, NetEvent
.packet
^.dataLength
-1, True) then
543 // get resource index
544 ridx
:= msg
.ReadLongInt();
545 if (ridx
< -1) or (ridx
>= length(gExternalResources
)) then
547 e_LogWritefln('Invalid resource index %d', [ridx
], TMsgType
.Warning
);
551 if (ridx
< 0) then fname
:= gGameSettings
.WAD
else fname
:= gExternalResources
[ridx
].diskName
;
552 if (length(fname
) = 0) then
554 e_WriteLog('Invalid filename: '+fname
, TMsgType
.Warning
);
558 tf
.diskName
:= findDiskWad(fname
);
559 if (length(tf
.diskName
) = 0) then
561 e_LogWritefln('NETWORK: file "%s" not found!', [fname
], TMsgType
.Fatal
);
566 //tf.hash := MD5File(tf.diskName);
567 if (ridx
< 0) then tf
.hash
:= gWADHash
else tf
.hash
:= gExternalResources
[ridx
].hash
;
568 // create file stream
569 tf
.diskName
:= findDiskWad(fname
);
571 tf
.stream
:= openDiskFileRO(tf
.diskName
);
575 if (tf
.stream
= nil) then
577 e_WriteLog(Format('NETWORK: file "%s" not found!', [fname
]), TMsgType
.Fatal
);
581 e_LogWritefln('client #%d requested resource #%d (file is `%s` : `%s`)', [nc
.ID
, ridx
, fname
, tf
.diskName
]);
582 tf
.size
:= tf
.stream
.size
;
583 tf
.chunkSize
:= FILE_CHUNK_SIZE
; // arbitrary
584 tf
.lastSentChunk
:= -1;
585 tf
.lastAckChunk
:= -1;
586 tf
.lastAckTime
:= GetTimerMS();
587 tf
.inProgress
:= False; // waiting for the first ACK or for the cancel
588 GetMem(tf
.diskBuffer
, tf
.chunkSize
);
589 // sent file info message
591 trans_omsg
.Write(Byte(NTF_SERVER_FILE_INFO
));
592 trans_omsg
.Write(tf
.hash
);
593 trans_omsg
.Write(tf
.size
);
594 trans_omsg
.Write(tf
.chunkSize
);
595 trans_omsg
.Write(ExtractFileName(fname
));
596 if not ftransSendServerMsg(nc
^, trans_omsg
) then exit
;
598 NTF_CLIENT_ABORT
: // do not send requested file, or abort current transfer
600 e_LogWritefln('client #%d aborted file transfer', [nc
.ID
]);
601 clearNetClientTransfers(nc
^);
603 NTF_CLIENT_START
: // start transfer; client may resume download by sending non-zero starting chunk
605 if not Assigned(tf
.stream
) then
610 if (tf
.lastSentChunk
<> -1) or (tf
.lastAckChunk
<> -1) or (tf
.inProgress
) then
612 // double ack, get lost
616 if (NetEvent
.packet
^.dataLength
< 2) then
622 if not msg
.Init(NetEvent
.packet
^.data
+1, NetEvent
.packet
^.dataLength
-1, True) then
627 chunk
:= msg
.ReadLongInt();
628 if (chunk
< 0) or (chunk
> (tf
.size
+tf
.chunkSize
-1) div tf
.chunkSize
) then
633 e_LogWritefln('client #%d started file transfer from chunk %d', [nc
.ID
, chunk
]);
634 // start sending chunks
635 tf
.inProgress
:= True;
636 tf
.lastSentChunk
:= chunk
-1;
637 tf
.lastAckChunk
:= chunk
-1;
638 ProcessChunkSend(nc
^);
640 NTF_CLIENT_ACK
: // chunk ack; chunk number follows
642 if not Assigned(tf
.stream
) then
647 if (tf
.lastSentChunk
< 0) or (not tf
.inProgress
) then
649 // double ack, get lost
653 if (NetEvent
.packet
^.dataLength
< 2) then
659 if not msg
.Init(NetEvent
.packet
^.data
+1, NetEvent
.packet
^.dataLength
-1, True) then
664 chunk
:= msg
.ReadLongInt();
665 if (chunk
< 0) or (chunk
> (tf
.size
+tf
.chunkSize
-1) div tf
.chunkSize
) then
670 // do it this way, so client may seek, or request retransfers for some reason
671 tf
.lastAckChunk
:= chunk
;
672 tf
.lastSentChunk
:= chunk
;
673 //e_LogWritefln('client #%d acked file transfer chunk %d', [nc.ID, chunk]);
674 ProcessChunkSend(nc
^);
676 NTF_CLIENT_MAP_REQUEST
:
678 e_LogWritefln('client #%d requested map info', [nc
.ID
]);
680 dfn
:= findDiskWad(gGameSettings
.WAD
);
681 if (dfn
= '') then dfn
:= '!wad_not_found!.wad'; //FIXME
682 //md5 := MD5File(dfn);
684 if (not GetDiskFileInfo(dfn
, fi
)) then
686 e_LogWritefln('client #%d requested map info, but i cannot get file info', [nc
.ID
]);
692 st := openDiskFileRO(dfn);
693 if not assigned(st) then exit; //wtf?!
698 trans_omsg
.Write(Byte(NTF_SERVER_MAP_INFO
));
700 trans_omsg
.Write(ExtractFileName(gGameSettings
.WAD
));
702 trans_omsg
.Write(md5
);
704 trans_omsg
.Write(size
);
705 // number of external resources for map
706 trans_omsg
.Write(LongInt(length(gExternalResources
)));
707 // external resource names
708 for f
:= 0 to High(gExternalResources
) do
711 //trans_omsg.Write(ExtractFileName(gExternalResources[f])); // GameDir+'/wads/'+ResList.Strings[i]
713 trans_omsg
.Write('!');
714 trans_omsg
.Write(LongInt(gExternalResources
[f
].size
));
715 trans_omsg
.Write(gExternalResources
[f
].hash
);
716 trans_omsg
.Write(ExtractFileName(gExternalResources
[f
].diskName
));
719 if not ftransSendServerMsg(nc
^, trans_omsg
) then exit
;
730 //**************************************************************************
732 // file transfer crap (both client and server)
734 //**************************************************************************
736 function getNewTimeoutEnd (): Int64;
738 result
:= GetTimerMS();
739 if (g_Net_DownloadTimeout
<= 0) then
741 result
:= result
+1000*60*3; // 3 minutes
745 result
:= result
+trunc(g_Net_DownloadTimeout
*1000);
750 // send map request to server, and wait for "map info" server reply
752 // returns `false` on error or user abort
754 // diskName: map wad file name (without a path)
755 // hash: map wad hash
756 // size: map wad size
757 // chunkSize: set too
758 // resList: list of resource wads
764 // for maps, first `tf.diskName` name will be map wad name, and `tf.hash`/`tf.size` will contain map info
765 function g_Net_Wait_MapInfo (var tf
: TNetFileTransfer
; var resList
: TNetMapResourceInfoArray
): Integer;
771 freePacket
: Boolean = false;
776 ri
: ^TNetMapResourceInfo
;
778 SetLength(resList
, 0);
782 trans_omsg
.Write(Byte(NTF_CLIENT_MAP_REQUEST
));
783 if not ftransSendClientMsg(trans_omsg
) then begin result
:= -1; exit
; end;
785 FillChar(ev
, SizeOf(ev
), 0);
788 ett
:= getNewTimeoutEnd();
790 status
:= enet_host_service(NetHost
, @ev
, 300);
794 g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' network error', True);
799 if (status
<= 0) then
805 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' timeout reached', True);
814 ENET_EVENT_TYPE_RECEIVE
:
817 if (ev
.channelID
<> NET_CHAN_DOWNLOAD_EX
) then
819 //e_LogWritefln('g_Net_Wait_MapInfo: skip message from non-transfer channel', []);
821 g_Net_Client_HandlePacket(ev
.packet
, g_Net_ClientLightMsgHandler
);
822 if (g_Res_received_map_start
< 0) then begin result
:= -666; exit
; end;
826 ett
:= getNewTimeoutEnd();
827 if (ev
.packet
.dataLength
< 1) then
829 e_LogWritefln('g_Net_Wait_MapInfo: invalid server packet (no data)', []);
833 Ptr
:= ev
.packet
^.data
;
834 rMsgId
:= Byte(Ptr
^);
835 e_LogWritefln('g_Net_Wait_MapInfo: got message %u from server (dataLength=%u)', [rMsgId
, ev
.packet
^.dataLength
]);
836 if (rMsgId
= NTF_SERVER_FILE_INFO
) then
838 e_LogWritefln('g_Net_Wait_MapInfo: waiting for map info reply, but got file info reply', []);
842 else if (rMsgId
= NTF_SERVER_ABORT
) then
844 e_LogWritefln('g_Net_Wait_MapInfo: server aborted transfer', []);
848 else if (rMsgId
= NTF_SERVER_MAP_INFO
) then
850 e_LogWritefln('g_Net_Wait_MapInfo: creating map info packet...', []);
851 if not msg
.Init(ev
.packet
^.data
+1, ev
.packet
^.dataLength
-1, True) then exit
;
852 e_LogWritefln('g_Net_Wait_MapInfo: parsing map info packet (rd=%d; max=%d)...', [msg
.ReadCount
, msg
.MaxSize
]);
853 SetLength(resList
, 0); // just in case
855 tf
.diskName
:= msg
.ReadString();
856 e_LogWritefln('g_Net_Wait_MapInfo: map wad is `%s`', [tf
.diskName
]);
858 tf
.hash
:= msg
.ReadMD5();
860 tf
.size
:= msg
.ReadLongInt();
861 e_LogWritefln('g_Net_Wait_MapInfo: map wad size is %d', [tf
.size
]);
862 // number of external resources for map
863 rc
:= msg
.ReadLongInt();
864 if (rc
< 0) or (rc
> 1024) then
866 e_LogWritefln('g_Net_Wait_Event: invalid number of map external resources (%d)', [rc
]);
870 e_LogWritefln('g_Net_Wait_MapInfo: map external resource count is %d', [rc
]);
871 SetLength(resList
, rc
);
872 // external resource names
873 for f
:= 0 to rc
-1 do
876 s
:= msg
.ReadString();
877 if (length(s
) = 0) then begin result
:= -1; exit
; end;
881 ri
.size
:= msg
.ReadLongInt();
882 ri
.hash
:= msg
.ReadMD5();
883 ri
.wadName
:= ExtractFileName(msg
.ReadString());
884 if (length(ri
.wadName
) = 0) or (ri
.size
< 0) then begin result
:= -1; exit
; end;
888 // old-style packet, only name
889 ri
.wadName
:= ExtractFileName(s
);
890 if (length(ri
.wadName
) = 0) then begin result
:= -1; exit
; end;
891 ri
.size
:= -1; // unknown
894 e_LogWritefln('g_Net_Wait_MapInfo: got map info', []);
895 Result
:= 0; // success
900 e_LogWritefln('g_Net_Wait_Event: invalid server packet type', []);
906 ENET_EVENT_TYPE_DISCONNECT
:
908 if (ev
.data
<= NET_DISC_MAX
) then
909 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' ' + _lc
[TStrings_Locale(Cardinal(I_NET_DISC_NONE
) + ev
.data
)], True);
915 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' unknown ENet event ' + IntToStr(Ord(ev
.kind
)), True);
920 if (freePacket
) then begin freePacket
:= false; enet_packet_destroy(ev
.packet
); end;
923 ProcessLoading(False);
924 if g_Net_UserRequestExit() then
926 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' user abort', True);
932 if (freePacket
) then enet_packet_destroy(ev
.packet
);
937 // send file request to server, and wait for server reply
939 // returns `false` on error or user abort
941 // diskName (actually, base name)
950 // for maps, first `tf.diskName` name will be map wad name, and `tf.hash`/`tf.size` will contain map info
951 function g_Net_RequestResFileInfo (resIndex
: LongInt; out tf
: TNetFileTransfer
): Integer;
957 freePacket
: Boolean = false;
963 trans_omsg
.Write(Byte(NTF_CLIENT_FILE_REQUEST
));
964 trans_omsg
.Write(resIndex
);
965 if not ftransSendClientMsg(trans_omsg
) then begin result
:= -1; exit
; end;
967 FillChar(ev
, SizeOf(ev
), 0);
970 ett
:= getNewTimeoutEnd();
972 status
:= enet_host_service(NetHost
, @ev
, 300);
976 g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' network error', True);
981 if (status
<= 0) then
987 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' timeout reached', True);
996 ENET_EVENT_TYPE_RECEIVE
:
999 if (ev
.channelID
<> NET_CHAN_DOWNLOAD_EX
) then
1001 //e_LogWriteln('g_Net_Wait_Event: skip message from non-transfer channel');
1002 freePacket
:= false;
1003 g_Net_Client_HandlePacket(ev
.packet
, g_Net_ClientLightMsgHandler
);
1004 if (g_Res_received_map_start
< 0) then begin result
:= -666; exit
; end;
1008 ett
:= getNewTimeoutEnd();
1009 if (ev
.packet
.dataLength
< 1) then
1011 e_LogWriteln('g_Net_Wait_Event: invalid server packet (no data)');
1015 Ptr
:= ev
.packet
^.data
;
1016 rMsgId
:= Byte(Ptr
^);
1017 e_LogWritefln('received transfer packet with id %d (%u bytes)', [rMsgId
, ev
.packet
^.dataLength
]);
1018 if (rMsgId
= NTF_SERVER_FILE_INFO
) then
1020 if not msg
.Init(ev
.packet
^.data
+1, ev
.packet
^.dataLength
-1, True) then exit
;
1021 tf
.hash
:= msg
.ReadMD5();
1022 tf
.size
:= msg
.ReadLongInt();
1023 tf
.chunkSize
:= msg
.ReadLongInt();
1024 tf
.diskName
:= ExtractFileName(msg
.readString());
1025 if (tf
.size
< 0) or (tf
.chunkSize
<> FILE_CHUNK_SIZE
) or (length(tf
.diskName
) = 0) then
1027 e_LogWritefln('g_Net_RequestResFileInfo: invalid file info packet', []);
1031 e_LogWritefln('got file info for resource #%d: size=%d; name=%s', [resIndex
, tf
.size
, tf
.diskName
]);
1032 Result
:= 0; // success
1035 else if (rMsgId
= NTF_SERVER_ABORT
) then
1037 e_LogWriteln('g_Net_RequestResFileInfo: server aborted transfer');
1041 else if (rMsgId
= NTF_SERVER_MAP_INFO
) then
1043 e_LogWriteln('g_Net_RequestResFileInfo: waiting for map info reply, but got file info reply');
1049 e_LogWriteln('g_Net_RequestResFileInfo: invalid server packet type');
1055 ENET_EVENT_TYPE_DISCONNECT
:
1057 if (ev
.data
<= NET_DISC_MAX
) then
1058 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' ' + _lc
[TStrings_Locale(Cardinal(I_NET_DISC_NONE
) + ev
.data
)], True);
1064 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' unknown ENet event ' + IntToStr(Ord(ev
.kind
)), True);
1069 if (freePacket
) then begin freePacket
:= false; enet_packet_destroy(ev
.packet
); end;
1072 ProcessLoading(False);
1073 if g_Net_UserRequestExit() then
1075 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' user abort', True);
1081 if (freePacket
) then enet_packet_destroy(ev
.packet
);
1086 // call this to cancel file transfer requested by `g_Net_RequestResFileInfo()`
1087 function g_Net_AbortResTransfer (var tf
: TNetFileTransfer
): Boolean;
1090 e_LogWritefln('aborting file transfer...', []);
1093 trans_omsg
.Write(Byte(NTF_CLIENT_ABORT
));
1094 result
:= ftransSendClientMsg(trans_omsg
);
1095 if result
then enet_host_flush(NetHost
);
1099 // call this to start file transfer requested by `g_Net_RequestResFileInfo()`
1101 // returns `false` on error or user abort
1110 // 2 on server abort
1111 // for maps, first `tf.diskName` name will be map wad name, and `tf.hash`/`tf.size` will contain map info
1112 function g_Net_ReceiveResourceFile (resIndex
: LongInt; var tf
: TNetFileTransfer
; strm
: TStream
): Integer;
1118 freePacket
: Boolean = false;
1121 nextChunk
: Integer = 0;
1122 chunkTotal
: Integer;
1129 tf
.resumed
:= false;
1130 e_LogWritefln('file `%s`, size=%d (%d)', [tf
.diskName
, Integer(strm
.size
), tf
.size
], TMsgType
.Notify
);
1131 // check if we should resume downloading
1132 resumed
:= (strm
.size
> tf
.chunkSize
) and (strm
.size
< tf
.size
);
1135 trans_omsg
.Write(Byte(NTF_CLIENT_START
));
1136 if resumed
then chunk
:= strm
.size
div tf
.chunkSize
else chunk
:= 0;
1137 trans_omsg
.Write(LongInt(chunk
));
1138 if not ftransSendClientMsg(trans_omsg
) then begin result
:= -1; exit
; end;
1140 strm
.Seek(chunk
*tf
.chunkSize
, soFromBeginning
);
1141 chunkTotal
:= (tf
.size
+tf
.chunkSize
-1) div tf
.chunkSize
;
1142 e_LogWritefln('receiving file `%s` (%d chunks)', [tf
.diskName
, chunkTotal
], TMsgType
.Notify
);
1143 g_Game_SetLoadingText('downloading "'+ExtractFileName(tf
.diskName
)+'"', chunkTotal
, False);
1144 tf
.resumed
:= resumed
;
1146 if (chunk
> 0) then g_Game_StepLoading(chunk
);
1149 // wait for reply data
1150 FillChar(ev
, SizeOf(ev
), 0);
1152 GetMem(buf
, tf
.chunkSize
);
1154 ett
:= getNewTimeoutEnd();
1156 //stx := -GetTimerMS();
1157 status
:= enet_host_service(NetHost
, @ev
, 300);
1159 if (status < 0) then
1161 g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' network error', True);
1166 if (status
<= 0) then
1168 // check for timeout
1172 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' timeout reached', True);
1181 ENET_EVENT_TYPE_RECEIVE
:
1184 if (ev
.channelID
<> NET_CHAN_DOWNLOAD_EX
) then
1186 //e_LogWritefln('g_Net_Wait_Event: skip message from non-transfer channel', []);
1187 freePacket
:= false;
1188 g_Net_Client_HandlePacket(ev
.packet
, g_Net_ClientLightMsgHandler
);
1189 if (g_Res_received_map_start
< 0) then begin result
:= -666; exit
; end;
1193 //stx := stx+GetTimerMS();
1194 //e_LogWritefln('g_Net_ReceiveResourceFile: stx=%d', [Integer(stx)]);
1195 //stx := -GetTimerMS();
1196 ett
:= getNewTimeoutEnd();
1197 if (ev
.packet
.dataLength
< 1) then
1199 e_LogWritefln('g_Net_ReceiveResourceFile: invalid server packet (no data)', []);
1203 Ptr
:= ev
.packet
^.data
;
1204 rMsgId
:= Byte(Ptr
^);
1205 if (rMsgId
= NTF_SERVER_DONE
) then
1207 e_LogWritefln('file transfer complete.', []);
1211 else if (rMsgId
= NTF_SERVER_CHUNK
) then
1213 if not msg
.Init(ev
.packet
^.data
+1, ev
.packet
^.dataLength
-1, True) then exit
;
1214 chunk
:= msg
.ReadLongInt();
1215 csize
:= msg
.ReadLongInt();
1216 if (chunk
<> nextChunk
) then
1218 e_LogWritefln('received chunk %d, but expected chunk %d', [chunk
, nextChunk
]);
1222 if (csize
< 0) or (csize
> tf
.chunkSize
) then
1224 e_LogWritefln('received chunk with size %d, but expected chunk size is %d', [csize
, tf
.chunkSize
]);
1228 //e_LogWritefln('got chunk #%d of #%d (csize=%d)', [chunk, (tf.size+tf.chunkSize-1) div tf.chunkSize, csize]);
1229 msg
.ReadData(buf
, csize
);
1230 strm
.WriteBuffer(buf
^, csize
);
1231 nextChunk
:= chunk
+1;
1232 g_Game_StepLoading();
1235 trans_omsg
.Write(Byte(NTF_CLIENT_ACK
));
1236 trans_omsg
.Write(LongInt(chunk
));
1237 if not ftransSendClientMsg(trans_omsg
) then begin result
:= -1; exit
; end;
1239 else if (rMsgId
= NTF_SERVER_ABORT
) then
1241 e_LogWritefln('g_Net_ReceiveResourceFile: server aborted transfer', []);
1247 e_LogWritefln('g_Net_ReceiveResourceFile: invalid server packet type', []);
1251 //stx := stx+GetTimerMS();
1252 //e_LogWritefln('g_Net_ReceiveResourceFile: process stx=%d', [Integer(stx)]);
1255 ENET_EVENT_TYPE_DISCONNECT
:
1257 if (ev
.data
<= NET_DISC_MAX
) then
1258 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' ' + _lc
[TStrings_Locale(Cardinal(I_NET_DISC_NONE
) + ev
.data
)], True);
1264 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' unknown ENet event ' + IntToStr(Ord(ev
.kind
)), True);
1269 if (freePacket
) then begin freePacket
:= false; enet_packet_destroy(ev
.packet
); end;
1272 ProcessLoading(False);
1273 if g_Net_UserRequestExit() then
1275 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' user abort', True);
1282 if (freePacket
) then enet_packet_destroy(ev
.packet
);
1287 //**************************************************************************
1291 //**************************************************************************
1293 function g_Net_FindSlot(): Integer;
1302 for I
:= Low(NetClients
) to High(NetClients
) do
1304 if NetClients
[I
].Used
then
1313 if C
>= NetMaxClients
then
1321 if (Length(NetClients
) >= NetMaxClients
) then
1325 SetLength(NetClients
, Length(NetClients
) + 1);
1326 N
:= High(NetClients
);
1332 NetClients
[N
].Used
:= True;
1333 NetClients
[N
].ID
:= N
;
1334 NetClients
[N
].RequestedFullUpdate
:= False;
1335 NetClients
[N
].WaitForFirstSpawn
:= False;
1336 NetClients
[N
].RCONAuth
:= False;
1337 NetClients
[N
].Voted
:= False;
1338 NetClients
[N
].Player
:= 0;
1339 clearNetClientTransfers(NetClients
[N
]); // just in case
1346 function g_Net_Init(): Boolean;
1355 NetBuf
[NET_UNRELIABLE
].Clear();
1356 NetBuf
[NET_RELIABLE
].Clear();
1357 //SetLength(NetClients, 0);
1358 clearNetClients(true); // clear array
1364 NetAddr
.port
:= 25666;
1365 SetLength(NetBannedHosts
, 0);
1366 path
:= BANLIST_FILENAME
;
1367 if e_FindResource(DataDirs
, path
) = true then
1374 if StrToIp(IPstr
, IP
) then
1378 g_Net_SaveBanList();
1381 //Result := (enet_initialize() = 0);
1382 Result
:= enet_init_success
;
1385 procedure g_Net_Flush();
1389 F
, Chan
: enet_uint32
;
1393 Chan
:= NET_CHAN_GAME
;
1395 if NetMode
= NET_SERVER
then
1396 for T
:= NET_UNRELIABLE
to NET_RELIABLE
do
1398 if NetBuf
[T
].CurSize
> 0 then
1400 P
:= enet_packet_create(NetBuf
[T
].Data
, NetBuf
[T
].CurSize
, F
);
1401 if not Assigned(P
) then continue
;
1402 enet_host_broadcast(NetHost
, Chan
, P
);
1406 for I
:= Low(NetClients
) to High(NetClients
) do
1408 if not NetClients
[I
].Used
then continue
;
1409 if NetClients
[I
].NetOut
[T
].CurSize
<= 0 then continue
;
1410 P
:= enet_packet_create(NetClients
[I
].NetOut
[T
].Data
, NetClients
[I
].NetOut
[T
].CurSize
, F
);
1411 if not Assigned(P
) then continue
;
1412 enet_peer_send(NetClients
[I
].Peer
, Chan
, P
);
1413 NetClients
[I
].NetOut
[T
].Clear();
1416 // next and last iteration is always RELIABLE
1417 F
:= LongWord(ENET_PACKET_FLAG_RELIABLE
);
1418 Chan
:= NET_CHAN_IMPORTANT
;
1420 else if NetMode
= NET_CLIENT
then
1421 for T
:= NET_UNRELIABLE
to NET_RELIABLE
do
1423 if NetBuf
[T
].CurSize
> 0 then
1425 P
:= enet_packet_create(NetBuf
[T
].Data
, NetBuf
[T
].CurSize
, F
);
1426 if not Assigned(P
) then continue
;
1427 enet_peer_send(NetPeer
, Chan
, P
);
1430 // next and last iteration is always RELIABLE
1431 F
:= LongWord(ENET_PACKET_FLAG_RELIABLE
);
1432 Chan
:= NET_CHAN_IMPORTANT
;
1436 procedure g_Net_Cleanup();
1440 NetBuf
[NET_UNRELIABLE
].Clear();
1441 NetBuf
[NET_RELIABLE
].Clear();
1443 //SetLength(NetClients, 0);
1444 clearNetClients(true); // clear array
1445 NetClientCount
:= 0;
1449 g_Net_Slist_ServerClosed();
1453 NetState
:= NET_STATE_NONE
;
1455 NetPongSock
:= ENET_SOCKET_NULL
;
1457 NetTimeToMaster
:= 0;
1458 NetTimeToUpdate
:= 0;
1459 NetTimeToReliable
:= 0;
1461 NetMode
:= NET_NONE
;
1463 if NetPortThread
<> NilThreadId
then
1464 WaitForThreadTerminate(NetPortThread
, 66666);
1466 NetPortThread
:= NilThreadId
;
1467 g_Net_UnforwardPorts();
1473 procedure g_Net_Free();
1477 //enet_deinitialize();
1478 NetInitDone
:= False;
1482 //**************************************************************************
1486 //**************************************************************************
1488 function ForwardThread(Param
: Pointer): PtrInt
;
1491 if not g_Net_ForwardPorts() then Result
:= -1;
1494 function g_Net_Host(IPAddr
: LongWord; Port
: enet_uint16
; MaxClients
: Cardinal = 16): Boolean;
1496 if NetMode
<> NET_NONE
then
1498 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_INGAME
]);
1505 g_Console_Add(_lc
[I_NET_MSG
] + Format(_lc
[I_NET_MSG_HOST
], [Port
]));
1506 if not NetInitDone
then
1508 if (not g_Net_Init()) then
1510 g_Console_Add(_lc
[I_NET_MSG_FERROR
] + _lc
[I_NET_ERR_ENET
]);
1515 NetInitDone
:= True;
1518 NetAddr
.host
:= IPAddr
;
1519 NetAddr
.port
:= Port
;
1521 NetHost
:= enet_host_create(@NetAddr
, NET_MAXCLIENTS
, NET_CHANS
, 0, 0);
1523 if (NetHost
= nil) then
1525 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + Format(_lc
[I_NET_ERR_HOST
], [Port
]));
1531 if NetForwardPorts
then NetPortThread
:= BeginThread(ForwardThread
);
1533 NetPongSock
:= enet_socket_create(ENET_SOCKET_TYPE_DATAGRAM
);
1534 if NetPongSock
<> ENET_SOCKET_NULL
then
1536 NetPongAddr
.host
:= IPAddr
;
1537 NetPongAddr
.port
:= NET_PING_PORT
;
1538 if enet_socket_bind(NetPongSock
, @NetPongAddr
) < 0 then
1540 enet_socket_destroy(NetPongSock
);
1541 NetPongSock
:= ENET_SOCKET_NULL
;
1544 enet_socket_set_option(NetPongSock
, ENET_SOCKOPT_NONBLOCK
, 1);
1547 NetMode
:= NET_SERVER
;
1549 NetBuf
[NET_UNRELIABLE
].Clear();
1550 NetBuf
[NET_RELIABLE
].Clear();
1556 procedure g_Net_Host_Die();
1560 if NetMode
<> NET_SERVER
then Exit
;
1562 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_DISCALL
]);
1563 for I
:= 0 to High(NetClients
) do
1564 if NetClients
[I
].Used
then
1565 enet_peer_disconnect(NetClients
[I
].Peer
, NET_DISC_DOWN
);
1567 while enet_host_service(NetHost
, @NetEvent
, 1000) > 0 do
1568 if NetEvent
.kind
= ENET_EVENT_TYPE_RECEIVE
then
1569 enet_packet_destroy(NetEvent
.packet
);
1571 for I
:= 0 to High(NetClients
) do
1572 if NetClients
[I
].Used
then
1574 FreeMemory(NetClients
[I
].Peer
^.data
);
1575 NetClients
[I
].Peer
^.data
:= nil;
1576 enet_peer_reset(NetClients
[I
].Peer
);
1577 NetClients
[I
].Peer
:= nil;
1578 NetClients
[I
].Used
:= False;
1579 NetClients
[I
].Player
:= 0;
1580 NetClients
[I
].Crimes
:= 0;
1581 NetClients
[I
].AuthTime
:= 0;
1582 NetClients
[I
].MsgTime
:= 0;
1583 NetClients
[I
].NetOut
[NET_UNRELIABLE
].Free();
1584 NetClients
[I
].NetOut
[NET_RELIABLE
].Free();
1587 clearNetClients(false); // don't clear array
1588 g_Net_Slist_ServerClosed();
1589 if NetPongSock
<> ENET_SOCKET_NULL
then
1590 enet_socket_destroy(NetPongSock
);
1592 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_DIE
]);
1593 enet_host_destroy(NetHost
);
1595 NetMode
:= NET_NONE
;
1598 e_WriteLog('NET: Server stopped', TMsgType
.Notify
);
1602 procedure g_Net_Host_Send(ID
: Integer; Reliable
: Boolean; Chan
: Byte = NET_CHAN_GAME
);
1609 T
:= NET_UNRELIABLE
;
1613 if ID
> High(NetClients
) then Exit
;
1614 if NetClients
[ID
].Peer
= nil then Exit
;
1616 NetClients
[ID
].NetOut
[T
].Write(Integer(NetOut
.CurSize
));
1617 NetClients
[ID
].NetOut
[T
].Write(NetOut
);
1622 NetBuf
[T
].Write(Integer(NetOut
.CurSize
));
1623 NetBuf
[T
].Write(NetOut
);
1626 if NetDump
then g_Net_DumpSendBuffer();
1630 procedure g_Net_Host_Disconnect_Client(ID
: Integer; Force
: Boolean = False);
1635 TC
:= @NetClients
[ID
];
1636 if (TC
= nil) then Exit
;
1637 clearNetClient(NetClients
[ID
]);
1638 if not (TC
^.Used
) then Exit
;
1640 TP
:= g_Player_Get(TC
^.Player
);
1645 TP
.Kill(K_SIMPLEKILL
, 0, HIT_DISCON
);
1646 g_Console_Add(Format(_lc
[I_PLAYER_LEAVE
], [TP
.Name
]), True);
1647 e_WriteLog('NET: Client ' + TP
.Name
+ ' [' + IntToStr(TC
^.ID
) + '] disconnected.', TMsgType
.Notify
);
1648 g_Player_Remove(TP
.UID
);
1651 if (TC
^.Peer
^.data
<> nil) then
1653 FreeMemory(TC
^.Peer
^.data
);
1654 TC
^.Peer
^.data
:= nil;
1658 enet_peer_reset(TC
^.Peer
);
1661 TC
^.State
:= NET_STATE_NONE
;
1667 TC
^.RequestedFullUpdate
:= False;
1668 TC
^.FullUpdateSent
:= False;
1669 TC
^.WaitForFirstSpawn
:= False;
1670 TC
^.NetOut
[NET_UNRELIABLE
].Free();
1671 TC
^.NetOut
[NET_RELIABLE
].Free();
1673 g_Console_Add(_lc
[I_NET_MSG
] + Format(_lc
[I_NET_MSG_HOST_DISC
], [ID
]));
1674 Dec(NetClientCount
);
1676 if NetUseMaster
then g_Net_Slist_ServerPlayerLeaves();
1679 procedure g_Net_Host_CheckPings();
1681 ClAddr
: ENetAddress
;
1685 Ping
: array [0..9] of Byte;
1688 if (NetPongSock
= ENET_SOCKET_NULL
) or (NetHost
= nil) then Exit
;
1690 Buf
.data
:= Addr(Ping
[0]);
1691 Buf
.dataLength
:= 2+8;
1695 Len
:= enet_socket_receive(NetPongSock
, @ClAddr
, @Buf
, 1);
1696 if Len
< 0 then Exit
;
1698 if (Ping
[0] = Ord('D')) and (Ping
[1] = Ord('F')) then
1700 ClTime
:= Int64(Addr(Ping
[2])^);
1703 NetOut
.Write(Byte(Ord('D')));
1704 NetOut
.Write(Byte(Ord('F')));
1705 NetOut
.Write(NetHost
.address
.port
);
1706 NetOut
.Write(ClTime
);
1707 TMasterHost
.writeInfo(NetOut
);
1709 if gPlayer1
<> nil then Inc(NPl
);
1710 if gPlayer2
<> nil then Inc(NPl
);
1712 NetOut
.Write(gNumBots
);
1714 Buf
.data
:= NetOut
.Data
;
1715 Buf
.dataLength
:= NetOut
.CurSize
;
1716 enet_socket_send(NetPongSock
, @ClAddr
, @Buf
, 1);
1722 procedure g_Net_Host_CheckTimeouts();
1726 for ID
:= Low(NetClients
) to High(NetClients
) do
1728 with NetClients
[ID
] do
1730 if (Peer
= nil) or (State
= NET_STATE_NONE
) then continue
;
1731 if (State
= NET_STATE_AUTH
) and (AuthTime
> 0) and (AuthTime
<= gTime
) then
1733 g_Net_Penalize(@NetClients
[ID
], 'auth taking too long');
1734 AuthTime
:= gTime
+ 1000; // do it every second to give them a chance
1736 else if (State
= NET_STATE_GAME
) and (MsgTime
> 0) and (MsgTime
<= gTime
) then
1738 // client hasn't sent packets in a while; either ban em or kick em
1739 if (NetAutoBanForTimeout
) then
1741 g_Net_Penalize(@NetClients
[ID
], 'message timeout');
1742 MsgTime
:= gTime
+ (NetPacketTimeout
div 2) + 500; // wait less for the next check
1746 e_LogWritefln('NET: client #%u (cid #%u) timed out', [ID
, Player
]);
1747 g_Net_Host_Disconnect_Client(ID
, True);
1755 procedure g_Net_Host_Update();
1764 if NetUseMaster
then g_Net_Slist_Pulse();
1765 g_Net_Host_CheckPings();
1766 g_Net_Host_CheckTimeouts();
1768 while (enet_host_service(NetHost
, @NetEvent
, 0) > 0) do
1770 case (NetEvent
.kind
) of
1771 ENET_EVENT_TYPE_CONNECT
:
1773 IP
:= IpToStr(NetEvent
.Peer
^.address
.host
);
1774 Port
:= NetEvent
.Peer
^.address
.port
;
1775 g_Console_Add(_lc
[I_NET_MSG
] +
1776 Format(_lc
[I_NET_MSG_HOST_CONN
], [IP
, Port
]));
1777 e_WriteLog('NET: Connection request from ' + IP
+ '.', TMsgType
.Notify
);
1779 if (NetEvent
.data
<> NET_PROTOCOL_VER
) then
1781 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_REJECT
] +
1782 _lc
[I_NET_DISC_PROTOCOL
]);
1783 e_WriteLog('NET: Connection request from ' + IP
+ ' rejected: version mismatch',
1785 NetEvent
.peer
^.data
:= GetMemory(SizeOf(Byte));
1786 Byte(NetEvent
.peer
^.data
^) := 255;
1787 enet_peer_disconnect(NetEvent
.peer
, NET_DISC_PROTOCOL
);
1788 enet_host_flush(NetHost
);
1792 if g_Net_IsHostBanned(NetEvent
.Peer
^.address
.host
) then
1794 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_REJECT
] +
1795 _lc
[I_NET_DISC_BAN
]);
1796 e_WriteLog('NET: Connection request from ' + IP
+ ' rejected: banned',
1798 NetEvent
.peer
^.data
:= GetMemory(SizeOf(Byte));
1799 Byte(NetEvent
.peer
^.data
^) := 255;
1800 enet_peer_disconnect(NetEvent
.Peer
, NET_DISC_BAN
);
1801 enet_host_flush(NetHost
);
1805 ID
:= g_Net_FindSlot();
1809 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_REJECT
] +
1810 _lc
[I_NET_DISC_FULL
]);
1811 e_WriteLog('NET: Connection request from ' + IP
+ ' rejected: server full',
1813 NetEvent
.Peer
^.data
:= GetMemory(SizeOf(Byte));
1814 Byte(NetEvent
.peer
^.data
^) := 255;
1815 enet_peer_disconnect(NetEvent
.peer
, NET_DISC_FULL
);
1816 enet_host_flush(NetHost
);
1820 NetClients
[ID
].Peer
:= NetEvent
.peer
;
1821 NetClients
[ID
].Peer
^.data
:= GetMemory(SizeOf(Byte));
1822 Byte(NetClients
[ID
].Peer
^.data
^) := ID
;
1823 NetClients
[ID
].State
:= NET_STATE_AUTH
;
1824 NetClients
[ID
].Player
:= 0;
1825 NetClients
[ID
].Crimes
:= 0;
1826 NetClients
[ID
].RCONAuth
:= False;
1827 NetClients
[ID
].NetOut
[NET_UNRELIABLE
].Alloc(NET_BUFSIZE
*2);
1828 NetClients
[ID
].NetOut
[NET_RELIABLE
].Alloc(NET_BUFSIZE
*2);
1829 if (NetAuthTimeout
> 0) then
1830 NetClients
[ID
].AuthTime
:= gTime
+ NetAuthTimeout
1832 NetClients
[ID
].AuthTime
:= 0;
1833 if (NetPacketTimeout
> 0) then
1834 NetClients
[ID
].MsgTime
:= gTime
+ NetPacketTimeout
1836 NetClients
[ID
].MsgTime
:= 0;
1837 clearNetClientTransfers(NetClients
[ID
]); // just in case
1839 enet_peer_timeout(NetEvent
.peer
, ENET_PEER_TIMEOUT_LIMIT
* 2, ENET_PEER_TIMEOUT_MINIMUM
* 2, ENET_PEER_TIMEOUT_MAXIMUM
* 2);
1841 Inc(NetClientCount
);
1842 g_Console_Add(_lc
[I_NET_MSG
] + Format(_lc
[I_NET_MSG_HOST_ADD
], [ID
]));
1845 ENET_EVENT_TYPE_RECEIVE
:
1847 //e_LogWritefln('RECEIVE: chan=%u', [NetEvent.channelID]);
1848 if (NetEvent
.channelID
= NET_CHAN_DOWNLOAD_EX
) then
1850 ProcessDownloadExPacket();
1854 ID
:= Byte(NetEvent
.peer
^.data
^);
1855 if ID
> High(NetClients
) then Exit
;
1856 TC
:= @NetClients
[ID
];
1858 if (NetPacketTimeout
> 0) then
1859 TC
^.MsgTime
:= gTime
+ NetPacketTimeout
;
1861 if NetDump
then g_Net_DumpRecvBuffer(NetEvent
.packet
^.data
, NetEvent
.packet
^.dataLength
);
1862 g_Net_Host_HandlePacket(TC
, NetEvent
.packet
, g_Net_HostMsgHandler
);
1866 ENET_EVENT_TYPE_DISCONNECT
:
1868 ID
:= Byte(NetEvent
.peer
^.data
^);
1869 if ID
> High(NetClients
) then Exit
;
1870 g_Net_Host_Disconnect_Client(ID
);
1877 //**************************************************************************
1881 //**************************************************************************
1883 procedure g_Net_Disconnect(Forced
: Boolean = False);
1885 if NetMode
<> NET_CLIENT
then Exit
;
1886 if (NetHost
= nil) or (NetPeer
= nil) then Exit
;
1890 enet_peer_disconnect(NetPeer
, NET_DISC_NONE
);
1892 while (enet_host_service(NetHost
, @NetEvent
, 1500) > 0) do
1894 if (NetEvent
.kind
= ENET_EVENT_TYPE_DISCONNECT
) then
1900 if (NetEvent
.kind
= ENET_EVENT_TYPE_RECEIVE
) then
1901 enet_packet_destroy(NetEvent
.packet
);
1904 if NetPeer
<> nil then
1906 enet_peer_reset(NetPeer
);
1912 e_WriteLog('NET: Kicked from server: ' + IntToStr(NetEvent
.data
), TMsgType
.Notify
);
1913 if (NetEvent
.data
<= NET_DISC_MAX
) then
1914 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_KICK
] +
1915 _lc
[TStrings_Locale(Cardinal(I_NET_DISC_NONE
) + NetEvent
.data
)], True);
1918 if NetHost
<> nil then
1920 enet_host_destroy(NetHost
);
1923 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_CLIENT_DISC
]);
1926 e_WriteLog('NET: Disconnected', TMsgType
.Notify
);
1929 procedure g_Net_Client_Send(Reliable
: Boolean; Chan
: Byte = NET_CHAN_GAME
);
1936 T
:= NET_UNRELIABLE
;
1939 NetBuf
[T
].Write(Integer(NetOut
.CurSize
));
1940 NetBuf
[T
].Write(NetOut
);
1942 if NetDump
then g_Net_DumpSendBuffer();
1944 g_Net_Flush(); // FIXME: for now, send immediately
1947 procedure g_Net_Client_Update();
1949 while (NetHost
<> nil) and (enet_host_service(NetHost
, @NetEvent
, 0) > 0) do
1951 case NetEvent
.kind
of
1952 ENET_EVENT_TYPE_RECEIVE
:
1954 if NetDump
then g_Net_DumpRecvBuffer(NetEvent
.packet
^.data
, NetEvent
.packet
^.dataLength
);
1955 g_Net_Client_HandlePacket(NetEvent
.packet
, g_Net_ClientMsgHandler
);
1958 ENET_EVENT_TYPE_DISCONNECT
:
1960 g_Net_Disconnect(True);
1967 function g_Net_Connect(IP
: string; Port
: enet_uint16
): Boolean;
1970 TimeoutTime
, T
: Int64;
1972 if NetMode
<> NET_NONE
then
1974 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_ERR_INGAME
], True);
1981 g_Console_Add(_lc
[I_NET_MSG
] + Format(_lc
[I_NET_MSG_CLIENT_CONN
],
1983 if not NetInitDone
then
1985 if (not g_Net_Init()) then
1987 g_Console_Add(_lc
[I_NET_MSG_FERROR
] + _lc
[I_NET_ERR_ENET
], True);
1992 NetInitDone
:= True;
1995 NetHost
:= enet_host_create(nil, 1, NET_CHANS
, 0, 0);
1997 if (NetHost
= nil) then
1999 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CLIENT
], True);
2005 enet_address_set_host(@NetAddr
, PChar(Addr(IP
[1])));
2006 NetAddr
.port
:= Port
;
2008 NetPeer
:= enet_host_connect(NetHost
, @NetAddr
, NET_CHANS
, NET_PROTOCOL_VER
);
2010 if (NetPeer
= nil) then
2012 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CLIENT
], True);
2013 enet_host_destroy(NetHost
);
2019 // предупредить что ждем слишком долго через N секунд
2020 TimeoutTime
:= sys_GetTicks() + NET_CONNECT_TIMEOUT
;
2025 while (enet_host_service(NetHost
, @NetEvent
, 0) > 0) do
2027 if (NetEvent
.kind
= ENET_EVENT_TYPE_CONNECT
) then
2029 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_CLIENT_DONE
]);
2030 NetMode
:= NET_CLIENT
;
2032 enet_peer_timeout(NetPeer
, ENET_PEER_TIMEOUT_LIMIT
* 2, ENET_PEER_TIMEOUT_MINIMUM
* 2, ENET_PEER_TIMEOUT_MAXIMUM
* 2);
2034 NetClientPort
:= Port
;
2041 T
:= sys_GetTicks();
2042 if T
> TimeoutTime
then
2044 TimeoutTime
:= T
+ NET_CONNECT_TIMEOUT
* 100; // одного предупреждения хватит
2045 g_Console_Add(_lc
[I_NET_MSG_TIMEOUT_WARN
], True);
2046 g_Console_Add(Format(_lc
[I_NET_MSG_PORTS
], [Integer(Port
), Integer(NET_PING_PORT
)]), True);
2049 ProcessLoading(True);
2050 if e_KeyPressed(IK_SPACE
) or e_KeyPressed(IK_ESCAPE
) or e_KeyPressed(VK_ESCAPE
) or
2051 e_KeyPressed(JOY0_JUMP
) or e_KeyPressed(JOY1_JUMP
) or e_KeyPressed(JOY2_JUMP
) or e_KeyPressed(JOY3_JUMP
) then
2055 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_TIMEOUT
], True);
2056 g_Console_Add(Format(_lc
[I_NET_MSG_PORTS
], [Integer(Port
), Integer(NET_PING_PORT
)]), True);
2057 if NetPeer
<> nil then enet_peer_reset(NetPeer
);
2058 if NetHost
<> nil then
2060 enet_host_destroy(NetHost
);
2067 function IpToStr(IP
: LongWord): string;
2072 Result
:= IntToStr(PByte(Ptr
+ 0)^) + '.';
2073 Result
:= Result
+ IntToStr(PByte(Ptr
+ 1)^) + '.';
2074 Result
:= Result
+ IntToStr(PByte(Ptr
+ 2)^) + '.';
2075 Result
:= Result
+ IntToStr(PByte(Ptr
+ 3)^);
2078 function StrToIp(IPstr
: string; var IP
: LongWord): Boolean;
2082 Result
:= enet_address_set_host(@EAddr
, PChar(@IPstr
[1])) = 0;
2086 function g_Net_Client_ByName(Name
: string): pTNetClient
;
2092 for a
:= Low(NetClients
) to High(NetClients
) do
2093 if (NetClients
[a
].Used
) and (NetClients
[a
].State
= NET_STATE_GAME
) then
2095 pl
:= g_Player_Get(NetClients
[a
].Player
);
2096 if pl
= nil then continue
;
2097 if Copy(LowerCase(pl
.Name
), 1, Length(Name
)) <> LowerCase(Name
) then continue
;
2098 if NetClients
[a
].Peer
<> nil then
2100 Result
:= @NetClients
[a
];
2106 function g_Net_Client_ByPlayer(PID
: Word): pTNetClient
;
2111 for a
:= Low(NetClients
) to High(NetClients
) do
2112 if (NetClients
[a
].Used
) and (NetClients
[a
].State
= NET_STATE_GAME
) then
2113 if NetClients
[a
].Player
= PID
then
2115 Result
:= @NetClients
[a
];
2120 function g_Net_ClientName_ByID(ID
: Integer): string;
2126 if ID
= NET_EVERYONE
then
2128 for a
:= Low(NetClients
) to High(NetClients
) do
2129 if (NetClients
[a
].ID
= ID
) and (NetClients
[a
].Used
) and (NetClients
[a
].State
= NET_STATE_GAME
) then
2131 pl
:= g_Player_Get(NetClients
[a
].Player
);
2132 if pl
= nil then Exit
;
2137 procedure g_Net_SendData(Data
: AByte
; peer
: pENetPeer
; Reliable
: Boolean; Chan
: Byte = NET_CHAN_DOWNLOAD
);
2141 dataLength
: Cardinal;
2143 dataLength
:= Length(Data
);
2146 then F
:= LongWord(ENET_PACKET_FLAG_RELIABLE
)
2149 P
:= enet_packet_create(@Data
[0], dataLength
, F
);
2150 if not Assigned(P
) then exit
;
2153 then enet_peer_send(peer
, Chan
, P
)
2154 else enet_host_broadcast(NetHost
, Chan
, P
);
2156 enet_host_flush(NetHost
);
2159 function g_Net_IsHostBanned(IP
: LongWord; Perm
: Boolean = False): Boolean;
2164 if NetBannedHosts
= nil then
2166 for I
:= 0 to High(NetBannedHosts
) do
2167 if (NetBannedHosts
[I
].IP
= IP
) and ((not Perm
) or (NetBannedHosts
[I
].Perm
)) then
2174 procedure g_Net_BanHost(IP
: LongWord; Perm
: Boolean = True); overload
;
2180 if g_Net_IsHostBanned(IP
, Perm
) then
2184 for I
:= Low(NetBannedHosts
) to High(NetBannedHosts
) do
2185 if NetBannedHosts
[I
].IP
= 0 then
2193 SetLength(NetBannedHosts
, Length(NetBannedHosts
) + 1);
2194 P
:= High(NetBannedHosts
);
2197 NetBannedHosts
[P
].IP
:= IP
;
2198 NetBannedHosts
[P
].Perm
:= Perm
;
2201 procedure g_Net_BanHost(IP
: string; Perm
: Boolean = True); overload
;
2206 b
:= StrToIp(IP
, a
);
2208 g_Net_BanHost(a
, Perm
);
2211 procedure g_Net_UnbanNonPermHosts();
2215 if NetBannedHosts
= nil then
2217 for I
:= Low(NetBannedHosts
) to High(NetBannedHosts
) do
2218 if (NetBannedHosts
[I
].IP
> 0) and not NetBannedHosts
[I
].Perm
then
2220 NetBannedHosts
[I
].IP
:= 0;
2221 NetBannedHosts
[I
].Perm
:= True;
2225 function g_Net_UnbanHost(IP
: string): Boolean; overload
;
2229 Result
:= StrToIp(IP
, a
);
2231 Result
:= g_Net_UnbanHost(a
);
2234 function g_Net_UnbanHost(IP
: LongWord): Boolean; overload
;
2241 if NetBannedHosts
= nil then
2243 for I
:= 0 to High(NetBannedHosts
) do
2244 if NetBannedHosts
[I
].IP
= IP
then
2246 NetBannedHosts
[I
].IP
:= 0;
2247 NetBannedHosts
[I
].Perm
:= True;
2249 // no break here to clear all bans of this host, perm and non-perm
2253 procedure g_Net_SaveBanList();
2259 path
:= e_GetWriteableDir(DataDirs
);
2262 path
:= e_CatPath(path
, BANLIST_FILENAME
);
2265 if NetBannedHosts
<> nil then
2266 for I
:= 0 to High(NetBannedHosts
) do
2267 if NetBannedHosts
[I
].Perm
and (NetBannedHosts
[I
].IP
> 0) then
2268 Writeln(F
, IpToStr(NetBannedHosts
[I
].IP
));
2273 procedure g_Net_Penalize(C
: pTNetClient
; Reason
: string);
2277 e_LogWritefln('NET: client #%u (cid #%u) triggered a penalty (%d/%d): %s',
2278 [C
^.ID
, C
^.Player
, C
^.Crimes
+ 1, NetAutoBanLimit
, Reason
]);
2280 if (NetAutoBanLimit
<= 0) then Exit
;
2282 if (C
^.Crimes
>= NetAutoBanLimit
) then
2284 // we have tried asking nicely before, now it is time to die
2285 e_LogWritefln('NET: client #%u (cid #%u) force kicked',
2286 [C
^.ID
, C
^.Player
]);
2287 g_Net_Host_Disconnect_Client(C
^.ID
, True);
2293 if (NetAutoBanWarn
) then
2294 MH_SEND_Chat('You have been warned by the server: ' + Reason
, NET_CHAT_SYSTEM
, C
^.ID
);
2296 if (C
^.Crimes
>= NetAutoBanLimit
) then
2298 s
:= '#' + IntToStr(C
^.ID
); // can't be arsed
2299 g_Net_BanHost(C
^.Peer
^.address
.host
, NetAutoBanPerm
);
2300 enet_peer_disconnect(C
^.Peer
, NET_DISC_BAN
);
2301 g_Console_Add(Format(_lc
[I_PLAYER_BAN
], [s
]));
2302 MH_SEND_GameEvent(NET_EV_PLAYER_BAN
, 0, s
);
2303 g_Net_Slist_ServerPlayerLeaves();
2307 procedure g_Net_DumpStart();
2309 if NetMode
= NET_SERVER
then
2310 NetDumpFile
:= e_CreateResource(LogDirs
, NETDUMP_FILENAME
+ '_server')
2312 NetDumpFile
:= e_CreateResource(LogDirs
, NETDUMP_FILENAME
+ '_client');
2315 procedure g_Net_DumpSendBuffer();
2317 writeInt(NetDumpFile
, gTime
);
2318 writeInt(NetDumpFile
, LongWord(NetOut
.CurSize
));
2319 writeInt(NetDumpFile
, Byte(1));
2320 NetDumpFile
.WriteBuffer(NetOut
.Data
^, NetOut
.CurSize
);
2323 procedure g_Net_DumpRecvBuffer(Buf
: penet_uint8
; Len
: LongWord);
2325 if (Buf
= nil) or (Len
= 0) then Exit
;
2326 writeInt(NetDumpFile
, gTime
);
2327 writeInt(NetDumpFile
, Len
);
2328 writeInt(NetDumpFile
, Byte(0));
2329 NetDumpFile
.WriteBuffer(Buf
^, Len
);
2332 procedure g_Net_DumpEnd();
2338 function g_Net_ForwardPorts(ForwardPongPort
: Boolean = True): Boolean;
2339 {$IFDEF USE_MINIUPNPC}
2344 LanAddr
: array [0..255] of Char;
2345 StrPort
: AnsiString;
2350 if NetHost
= nil then
2353 if NetPortForwarded
= NetHost
.address
.port
then
2359 NetPongForwarded
:= False;
2360 NetPortForwarded
:= 0;
2362 DevList
:= upnpDiscover(1000, nil, nil, 0, 0, 2, Addr(Err
));
2363 if DevList
= nil then
2365 conwritefln('port forwarding failed: upnpDiscover() failed: %d', [Err
]);
2369 I
:= UPNP_GetValidIGD(DevList
, @Urls
, @Data
, Addr(LanAddr
[0]), 256);
2373 conwriteln('port forwarding failed: could not find an IGD device on this LAN');
2374 FreeUPNPDevList(DevList
);
2375 FreeUPNPUrls(@Urls
);
2379 StrPort
:= IntToStr(NetHost
.address
.port
);
2380 I
:= UPNP_AddPortMapping(
2381 Urls
.controlURL
, Addr(data
.first
.servicetype
[1]),
2382 PChar(StrPort
), PChar(StrPort
), Addr(LanAddr
[0]), PChar('D2DF'),
2383 PChar('UDP'), nil, PChar('0')
2388 conwritefln('forwarding port %d failed: error %d', [NetHost
.address
.port
, I
]);
2389 FreeUPNPDevList(DevList
);
2390 FreeUPNPUrls(@Urls
);
2394 if ForwardPongPort
then
2396 StrPort
:= IntToStr(NET_PING_PORT
);
2397 I
:= UPNP_AddPortMapping(
2398 Urls
.controlURL
, Addr(data
.first
.servicetype
[1]),
2399 PChar(StrPort
), PChar(StrPort
), Addr(LanAddr
[0]), PChar('D2DF'),
2400 PChar('UDP'), nil, PChar('0')
2405 conwritefln('forwarding port %d failed: error %d', [NET_PING_PORT
, I
]);
2406 NetPongForwarded
:= False;
2410 conwritefln('forwarded port %d successfully', [NET_PING_PORT
]);
2411 NetPongForwarded
:= True;
2415 conwritefln('forwarded port %d successfully', [NetHost
.address
.port
]);
2416 NetIGDControl
:= AnsiString(Urls
.controlURL
);
2417 NetIGDService
:= data
.first
.servicetype
;
2418 NetPortForwarded
:= NetHost
.address
.port
;
2420 FreeUPNPDevList(DevList
);
2421 FreeUPNPUrls(@Urls
);
2430 procedure g_Net_UnforwardPorts();
2431 {$IFDEF USE_MINIUPNPC}
2434 StrPort
: AnsiString;
2436 if NetPortForwarded
= 0 then Exit
;
2438 conwriteln('unforwarding ports...');
2440 StrPort
:= IntToStr(NetPortForwarded
);
2441 I
:= UPNP_DeletePortMapping(
2442 PChar(NetIGDControl
), Addr(NetIGDService
[1]),
2443 PChar(StrPort
), PChar('UDP'), nil
2445 conwritefln(' port %d: %d', [NetPortForwarded
, I
]);
2447 if NetPongForwarded
then
2449 NetPongForwarded
:= False;
2450 StrPort
:= IntToStr(NET_PING_PORT
);
2451 I
:= UPNP_DeletePortMapping(
2452 PChar(NetIGDControl
), Addr(NetIGDService
[1]),
2453 PChar(StrPort
), PChar('UDP'), nil
2455 conwritefln(' port %d: %d', [NET_PING_PORT
, I
]);
2458 NetPortForwarded
:= 0;
2465 procedure NetServerCVars(P
: SSArray
);
2470 cmd
:= LowerCase(P
[0]);
2474 if (Length(P
) > 1) and (Length(P
[1]) > 0) then
2476 NetServerName
:= P
[1];
2477 if Length(NetServerName
) > 64 then
2478 SetLength(NetServerName
, 64);
2479 g_Net_Slist_ServerRenamed();
2481 g_Console_Add(cmd
+ ' "' + NetServerName
+ '"');
2485 if (Length(P
) > 1) and (Length(P
[1]) > 0) then
2487 NetPassword
:= P
[1];
2488 if Length(NetPassword
) > 24 then
2489 SetLength(NetPassword
, 24);
2490 g_Net_Slist_ServerRenamed();
2492 g_Console_Add(cmd
+ ' "' + AnsiLowerCase(NetPassword
) + '"');
2496 if (Length(P
) > 1) then
2498 NetMaxClients
:= nclamp(StrToIntDef(P
[1], NetMaxClients
), 1, NET_MAXCLIENTS
);
2499 if g_Game_IsServer
and g_Game_IsNet
then
2502 for a
:= 0 to High(NetClients
) do
2504 if NetClients
[a
].Used
then
2507 if b
> NetMaxClients
then
2509 s
:= g_Player_Get(NetClients
[a
].Player
).Name
;
2510 enet_peer_disconnect(NetClients
[a
].Peer
, NET_DISC_FULL
);
2511 g_Console_Add(Format(_lc
[I_PLAYER_KICK
], [s
]));
2512 MH_SEND_GameEvent(NET_EV_PLAYER_KICK
, 0, s
);
2516 g_Net_Slist_ServerRenamed();
2519 g_Console_Add(cmd
+ ' ' + IntToStr(NetMaxClients
));
2523 if (Length(P
) > 1) then
2525 NetUseMaster
:= StrToIntDef(P
[1], Byte(NetUseMaster
)) <> 0;
2526 if NetUseMaster
then g_Net_Slist_Public() else g_Net_Slist_Private();
2528 g_Console_Add(cmd
+ ' ' + IntToStr(Byte(NetUseMaster
)));
2532 if (Length(P
) > 1) then
2534 if not g_Game_IsNet
then
2535 NetPort
:= nclamp(StrToIntDef(P
[1], NetPort
), 0, $FFFF)
2537 g_Console_Add(_lc
[I_MSG_NOT_NETGAME
]);
2539 g_Console_Add(cmd
+ ' ' + IntToStr(Ord(NetUseMaster
)));
2545 conRegVar('cl_downloadtimeout', @g_Net_DownloadTimeout
, 0.0, 1000000.0, '', 'timeout in seconds, 0 to disable it');
2546 conRegVar('cl_predictself', @NetPredictSelf
, '', 'predict local player');
2547 conRegVar('cl_forceplayerupdate', @NetForcePlayerUpdate
, '', 'update net players on NET_MSG_PLRPOS');
2548 conRegVar('cl_interp', @NetInterpLevel
, '', 'net player interpolation steps');
2549 conRegVar('cl_last_ip', @NetClientIP
, '', 'address of the last you have connected to');
2550 conRegVar('cl_last_port', @NetClientPort
, '', 'port of the last server you have connected to');
2551 conRegVar('cl_deafen', @NetDeafLevel
, '', 'filter server messages (0-3)');
2553 conRegVar('sv_forwardports', @NetForwardPorts
, '', 'forward server port using miniupnpc (requires server restart)');
2554 conRegVar('sv_rcon', @NetAllowRCON
, '', 'enable remote console');
2555 conRegVar('sv_rcon_password', @NetRCONPassword
, '', 'remote console password');
2556 conRegVar('sv_update_interval', @NetUpdateRate
, '', 'unreliable update interval');
2557 conRegVar('sv_reliable_interval', @NetRelupdRate
, '', 'reliable update interval');
2558 conRegVar('sv_master_interval', @NetMasterRate
, '', 'master server update interval');
2560 conRegVar('sv_autoban_threshold', @NetAutoBanLimit
, '', 'max crimes before autoban (0 = no autoban)');
2561 conRegVar('sv_autoban_permanent', @NetAutoBanPerm
, '', 'whether autobans are permanent');
2562 conRegVar('sv_autoban_warn', @NetAutoBanWarn
, '', 'send warnings to the client when he triggers penalties');
2563 conRegVar('sv_autoban_packet_timeout', @NetAutoBanForTimeout
, '', 'autoban for packet timeouts');
2565 conRegVar('sv_auth_timeout', @NetAuthTimeout
, '', 'number of msec in which connecting clients must complete auth (0 = unlimited)');
2566 conRegVar('sv_packet_timeout', @NetPacketTimeout
, '', 'number of msec the client must idle to be kicked (0 = unlimited)');
2568 conRegVar('net_master_list', @NetMasterList
, '', 'list of master servers');
2570 SetLength(NetClients
, 0);
2571 g_Net_DownloadTimeout
:= 60;
2572 NetIn
.Alloc(NET_BUFSIZE
);
2573 NetOut
.Alloc(NET_BUFSIZE
);
2574 NetBuf
[NET_UNRELIABLE
].Alloc(NET_BUFSIZE
*2);
2575 NetBuf
[NET_RELIABLE
].Alloc(NET_BUFSIZE
*2);
2576 trans_omsg
.Alloc(NET_BUFSIZE
);
2580 NetBuf
[NET_UNRELIABLE
].Free();
2581 NetBuf
[NET_RELIABLE
].Free();