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
= 187;
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
109 Transfer
: TNetFileTransfer
; // only one transfer may be active
110 NetOut
: array [0..1] of TMsg
;
116 pTNetClient
= ^TNetClient
;
118 AByte
= array of Byte;
121 NetInitDone
: Boolean = False;
122 NetMode
: Byte = NET_NONE
;
123 NetDump
: Boolean = False;
125 NetServerName
: string = 'Unnamed Server';
126 NetPassword
: string = '';
127 NetPort
: Word = 25666;
129 NetAllowRCON
: Boolean = False;
130 NetRCONPassword
: string = '';
132 NetTimeToUpdate
: Cardinal = 0;
133 NetTimeToReliable
: Cardinal = 0;
134 NetTimeToMaster
: Cardinal = 0;
136 NetHost
: pENetHost
= nil;
137 NetPeer
: pENetPeer
= nil;
139 NetAddr
: ENetAddress
;
141 NetPongAddr
: ENetAddress
;
142 NetPongSock
: ENetSocket
= ENET_SOCKET_NULL
;
144 NetUseMaster
: Boolean = True;
145 NetMasterList
: string = 'mpms.doom2d.org:25665, deadsoftware.ru:25665';
147 NetClientIP
: string = '127.0.0.1';
148 NetClientPort
: Word = 25666;
151 NetBuf
: array [0..1] of TMsg
;
153 NetClients
: array of TNetClient
;
154 NetClientCount
: Byte = 0;
155 NetMaxClients
: Byte = 255;
156 NetBannedHosts
: array of TBanRecord
;
158 NetAutoBanLimit
: Integer = 5;
159 NetAutoBanPerm
: Boolean = True;
160 NetAutoBanWarn
: Boolean = False;
162 NetState
: Integer = NET_STATE_NONE
;
164 NetMyID
: Integer = -1;
165 NetPlrUID1
: Integer = -1;
166 NetPlrUID2
: Integer = -1;
168 NetInterpLevel
: Integer = 1;
169 NetUpdateRate
: Cardinal = 0; // as soon as possible
170 NetRelupdRate
: Cardinal = 18; // around two times a second
171 NetMasterRate
: Cardinal = 60000;
173 NetForcePlayerUpdate
: Boolean = False;
174 NetPredictSelf
: Boolean = True;
175 NetForwardPorts
: Boolean = False;
177 NetGotEverything
: Boolean = False;
178 NetGotKeys
: Boolean = False;
180 NetDeafLevel
: Integer = 0;
182 {$IFDEF USE_MINIUPNPC}
183 NetPortForwarded
: Word = 0;
184 NetPongForwarded
: Boolean = False;
185 NetIGDControl
: AnsiString;
186 NetIGDService
: TURLStr
;
189 NetPortThread
: TThreadID
= NilThreadId
;
191 NetDumpFile
: TStream
;
193 g_Res_received_map_start
: Integer = 0; // set if we received "map change" event
196 function g_Net_Init(): Boolean;
197 procedure g_Net_Cleanup();
198 procedure g_Net_Free();
199 procedure g_Net_Flush();
201 function g_Net_Host(IPAddr
: LongWord; Port
: enet_uint16
; MaxClients
: Cardinal = 16): Boolean;
202 procedure g_Net_Host_Die();
203 procedure g_Net_Host_Send(ID
: Integer; Reliable
: Boolean; Chan
: Byte = NET_CHAN_GAME
);
204 function g_Net_Host_Update(): enet_size_t
;
206 function g_Net_Connect(IP
: string; Port
: enet_uint16
): Boolean;
207 procedure g_Net_Disconnect(Forced
: Boolean = False);
208 procedure g_Net_Client_Send(Reliable
: Boolean; Chan
: Byte = NET_CHAN_GAME
);
209 function g_Net_Client_Update(): enet_size_t
;
210 function g_Net_Client_UpdateWhileLoading(): enet_size_t
;
212 function g_Net_Client_ByName(Name
: string): pTNetClient
;
213 function g_Net_Client_ByPlayer(PID
: Word): pTNetClient
;
214 function g_Net_ClientName_ByID(ID
: Integer): string;
216 procedure g_Net_SendData(Data
: AByte
; peer
: pENetPeer
; Reliable
: Boolean; Chan
: Byte = NET_CHAN_DOWNLOAD
);
217 //function g_Net_Wait_Event(msgId: Word): TMemoryStream;
218 //function g_Net_Wait_FileInfo (var tf: TNetFileTransfer; asMap: Boolean; out resList: TStringList): Integer;
220 function IpToStr(IP
: LongWord): string;
221 function StrToIp(IPstr
: string; var IP
: LongWord): Boolean;
223 function g_Net_IsHostBanned(IP
: LongWord; Perm
: Boolean = False): Boolean;
224 procedure g_Net_BanHost(IP
: LongWord; Perm
: Boolean = True); overload
;
225 procedure g_Net_BanHost(IP
: string; Perm
: Boolean = True); overload
;
226 function g_Net_UnbanHost(IP
: string): Boolean; overload
;
227 function g_Net_UnbanHost(IP
: LongWord): Boolean; overload
;
228 procedure g_Net_UnbanNonPermHosts();
229 procedure g_Net_SaveBanList();
231 procedure g_Net_Penalize(C
: pTNetClient
; Reason
: string);
233 procedure g_Net_DumpStart();
234 procedure g_Net_DumpSendBuffer();
235 procedure g_Net_DumpRecvBuffer(Buf
: penet_uint8
; Len
: LongWord);
236 procedure g_Net_DumpEnd();
238 function g_Net_ForwardPorts(ForwardPongPort
: Boolean = True): Boolean;
239 procedure g_Net_UnforwardPorts();
241 function g_Net_UserRequestExit
: Boolean;
243 function g_Net_Wait_MapInfo (var tf
: TNetFileTransfer
; var resList
: TNetMapResourceInfoArray
): Integer;
244 function g_Net_RequestResFileInfo (resIndex
: LongInt; out tf
: TNetFileTransfer
): Integer;
245 function g_Net_AbortResTransfer (var tf
: TNetFileTransfer
): Boolean;
246 function g_Net_ReceiveResourceFile (resIndex
: LongInt; var tf
: TNetFileTransfer
; strm
: TStream
): Integer;
248 function g_Net_IsNetworkAvailable (): Boolean;
249 procedure g_Net_InitLowLevel ();
250 procedure g_Net_DeinitLowLevel ();
252 procedure NetServerCVars(P
: SSArray
);
257 // *enet_host_service()*
258 // fuck! https://www.mail-archive.com/enet-discuss@cubik.org/msg00852.html
259 // tl;dr: on shitdows, we can get -1 sometimes, and it is *NOT* a failure.
260 // thank you, enet. let's ignore failures altogether then.
265 g_nethandler
, g_netmsg
, g_netmaster
, g_player
, g_window
, g_console
,
266 g_main
, g_game
, g_language
, g_weapons
, ctypes
, g_system
, g_map
;
269 FILE_CHUNK_SIZE
= 8192;
272 enet_init_success
: Boolean = false;
273 g_Net_DownloadTimeout
: Single;
277 function g_Net_IsNetworkAvailable (): Boolean;
279 result
:= enet_init_success
;
282 procedure g_Net_InitLowLevel ();
285 v
:= enet_linked_version();
286 e_LogWritefln('ENet Version: %s.%s.%s', [ENET_VERSION_GET_MAJOR(v
), ENET_VERSION_GET_MINOR(v
), ENET_VERSION_GET_PATCH(v
)]);
287 if enet_init_success
then raise Exception
.Create('wuta?!');
288 enet_init_success
:= (enet_initialize() = 0);
291 procedure g_Net_DeinitLowLevel ();
293 if enet_init_success
then
296 enet_init_success
:= false;
301 //**************************************************************************
305 //**************************************************************************
307 procedure clearNetClientTransfers (var nc
: TNetClient
);
309 nc
.Transfer
.stream
.Free
;
310 nc
.Transfer
.diskName
:= ''; // just in case
311 if (nc
.Transfer
.diskBuffer
<> nil) then FreeMem(nc
.Transfer
.diskBuffer
);
312 nc
.Transfer
.stream
:= nil;
313 nc
.Transfer
.diskBuffer
:= nil;
317 procedure clearNetClient (var nc
: TNetClient
);
319 clearNetClientTransfers(nc
);
323 procedure clearNetClients (clearArray
: Boolean);
327 for f
:= Low(NetClients
) to High(NetClients
) do clearNetClient(NetClients
[f
]);
328 if (clearArray
) then SetLength(NetClients
, 0);
332 function g_Net_UserRequestExit (): Boolean;
334 Result
:= {e_KeyPressed(IK_SPACE) or}
335 e_KeyPressed(IK_ESCAPE
) or
336 e_KeyPressed(VK_ESCAPE
) or
337 e_KeyPressed(JOY0_JUMP
) or
338 e_KeyPressed(JOY1_JUMP
) or
339 e_KeyPressed(JOY2_JUMP
) or
340 e_KeyPressed(JOY3_JUMP
)
344 //**************************************************************************
346 // file transfer declaraions and host packet processor
348 //**************************************************************************
351 // server packet type
352 NTF_SERVER_DONE
= 10; // done with this file
353 NTF_SERVER_FILE_INFO
= 11; // sent after client request
354 NTF_SERVER_CHUNK
= 12; // next chunk; chunk number follows
355 NTF_SERVER_ABORT
= 13; // server abort
356 NTF_SERVER_MAP_INFO
= 14;
358 // client packet type
359 NTF_CLIENT_MAP_REQUEST
= 100; // map file request; also, returns list of additional wads to download
360 NTF_CLIENT_FILE_REQUEST
= 101; // resource file request (by index)
361 NTF_CLIENT_ABORT
= 102; // do not send requested file, or abort current transfer
362 NTF_CLIENT_START
= 103; // start transfer; client may resume download by sending non-zero starting chunk
363 NTF_CLIENT_ACK
= 104; // chunk ack; chunk number follows
366 // disconnect client due to some file transfer error
367 procedure killClientByFT (var nc
: TNetClient
);
369 e_LogWritefln('disconnected client #%d due to file transfer error', [nc
.ID
], TMsgType
.Warning
);
370 enet_peer_disconnect(nc
.Peer
, NET_DISC_FILE_TIMEOUT
);
371 clearNetClientTransfers(nc
);
372 g_Net_Slist_ServerPlayerLeaves();
376 // send file transfer message from server to client
377 function ftransSendServerMsg (var nc
: TNetClient
; var m
: TMsg
): Boolean;
382 if (m
.CurSize
< 1) then exit
;
383 pkt
:= enet_packet_create(m
.Data
, m
.CurSize
, ENET_PACKET_FLAG_RELIABLE
);
384 if not Assigned(pkt
) then begin killClientByFT(nc
); exit
; end;
385 if (enet_peer_send(nc
.Peer
, NET_CHAN_DOWNLOAD_EX
, pkt
) <> 0) then begin killClientByFT(nc
); exit
; end;
390 // send file transfer message from client to server
391 function ftransSendClientMsg (var m
: TMsg
): Boolean;
396 if (m
.CurSize
< 1) then exit
;
397 pkt
:= enet_packet_create(m
.Data
, m
.CurSize
, ENET_PACKET_FLAG_RELIABLE
);
398 if not Assigned(pkt
) then exit
;
399 if (enet_peer_send(NetPeer
, NET_CHAN_DOWNLOAD_EX
, pkt
) <> 0) then exit
;
405 procedure ProcessChunkSend (var nc
: TNetClient
);
407 tf
: ^TNetFileTransfer
;
413 if (tf
.stream
= nil) then exit
;
415 // arbitrary timeout number
416 if (ct
-tf
.lastAckTime
>= 5000) then
421 // check if we need to send something
422 if (not tf
.inProgress
) then exit
; // waiting for the initial ack
423 // ok, we're sending chunks
424 if (tf
.lastAckChunk
<> tf
.lastSentChunk
) then exit
;
425 Inc(tf
.lastSentChunk
);
426 // do it one chunk at a time; client ack will advance our chunk counter
427 chunks
:= (tf
.size
+tf
.chunkSize
-1) div tf
.chunkSize
;
429 if (tf
.lastSentChunk
> chunks
) then
436 if (tf
.lastSentChunk
= chunks
) then
438 // we're done with this file
439 e_LogWritefln('download: client #%d, DONE sending chunks #%d/#%d', [nc
.ID
, tf
.lastSentChunk
, chunks
]);
440 trans_omsg
.Write(Byte(NTF_SERVER_DONE
));
441 clearNetClientTransfers(nc
);
446 trans_omsg
.Write(Byte(NTF_SERVER_CHUNK
));
447 trans_omsg
.Write(LongInt(tf
.lastSentChunk
));
449 rd
:= tf
.size
-(tf
.lastSentChunk
*tf
.chunkSize
);
450 if (rd
> tf
.chunkSize
) then rd
:= tf
.chunkSize
;
451 trans_omsg
.Write(LongInt(rd
));
452 //e_LogWritefln('download: client #%d, sending chunk #%d/#%d (%d bytes)', [nc.ID, tf.lastSentChunk, chunks, rd]);
453 //FIXME: check for errors here
455 tf
.stream
.Seek(tf
.lastSentChunk
*tf
.chunkSize
, soFromBeginning
);
456 tf
.stream
.ReadBuffer(tf
.diskBuffer
^, rd
);
457 trans_omsg
.WriteData(tf
.diskBuffer
, rd
);
464 ftransSendServerMsg(nc
, trans_omsg
);
468 // server file transfer packet processor
469 // received packet is in `NetEvent`
470 procedure ProcessDownloadExPacket ();
477 tf
: ^TNetFileTransfer
;
487 // find client index by peer
488 for f
:= Low(NetClients
) to High(NetClients
) do
490 if (not NetClients
[f
].Used
) then continue
;
491 if (NetClients
[f
].Peer
= NetEvent
.peer
) then
497 //e_LogWritefln('RECEIVE: dlpacket; client=%d (datalen=%u)', [nid, NetEvent.packet^.dataLength]);
499 if (nid
< 0) then exit
; // wtf?!
500 nc
:= @NetClients
[nid
];
502 if (NetEvent
.packet
^.dataLength
= 0) then
508 tf
:= @NetClients
[nid
].Transfer
;
509 tf
.lastAckTime
:= GetTimerMS();
511 cmd
:= Byte(NetEvent
.packet
^.data
^);
512 //e_LogWritefln('RECEIVE: nid=%d; cmd=%u', [nid, cmd]);
514 NTF_CLIENT_FILE_REQUEST
: // file request
516 if (tf
.stream
<> nil) then
521 if (NetEvent
.packet
^.dataLength
< 2) then
526 // new transfer request; build packet
527 if not msg
.Init(NetEvent
.packet
^.data
+1, NetEvent
.packet
^.dataLength
-1, True) then
532 // get resource index
533 ridx
:= msg
.ReadLongInt();
534 if (ridx
< -1) or (ridx
>= length(gExternalResources
)) then
536 e_LogWritefln('Invalid resource index %d', [ridx
], TMsgType
.Warning
);
540 if (ridx
< 0) then fname
:= gGameSettings
.WAD
else fname
:= gExternalResources
[ridx
].diskName
;
541 if (length(fname
) = 0) then
543 e_WriteLog('Invalid filename: '+fname
, TMsgType
.Warning
);
547 tf
.diskName
:= findDiskWad(fname
);
548 if (length(tf
.diskName
) = 0) then
550 e_LogWritefln('NETWORK: file "%s" not found!', [fname
], TMsgType
.Fatal
);
555 //tf.hash := MD5File(tf.diskName);
556 if (ridx
< 0) then tf
.hash
:= gWADHash
else tf
.hash
:= gExternalResources
[ridx
].hash
;
557 // create file stream
558 tf
.diskName
:= findDiskWad(fname
);
560 tf
.stream
:= openDiskFileRO(tf
.diskName
);
564 if (tf
.stream
= nil) then
566 e_WriteLog(Format('NETWORK: file "%s" not found!', [fname
]), TMsgType
.Fatal
);
570 e_LogWritefln('client #%d requested resource #%d (file is `%s` : `%s`)', [nc
.ID
, ridx
, fname
, tf
.diskName
]);
571 tf
.size
:= tf
.stream
.size
;
572 tf
.chunkSize
:= FILE_CHUNK_SIZE
; // arbitrary
573 tf
.lastSentChunk
:= -1;
574 tf
.lastAckChunk
:= -1;
575 tf
.lastAckTime
:= GetTimerMS();
576 tf
.inProgress
:= False; // waiting for the first ACK or for the cancel
577 GetMem(tf
.diskBuffer
, tf
.chunkSize
);
578 // sent file info message
580 trans_omsg
.Write(Byte(NTF_SERVER_FILE_INFO
));
581 trans_omsg
.Write(tf
.hash
);
582 trans_omsg
.Write(tf
.size
);
583 trans_omsg
.Write(tf
.chunkSize
);
584 trans_omsg
.Write(ExtractFileName(fname
));
585 if not ftransSendServerMsg(nc
^, trans_omsg
) then exit
;
587 NTF_CLIENT_ABORT
: // do not send requested file, or abort current transfer
589 e_LogWritefln('client #%d aborted file transfer', [nc
.ID
]);
590 clearNetClientTransfers(nc
^);
592 NTF_CLIENT_START
: // start transfer; client may resume download by sending non-zero starting chunk
594 if not Assigned(tf
.stream
) then
599 if (tf
.lastSentChunk
<> -1) or (tf
.lastAckChunk
<> -1) or (tf
.inProgress
) then
601 // double ack, get lost
605 if (NetEvent
.packet
^.dataLength
< 2) then
611 if not msg
.Init(NetEvent
.packet
^.data
+1, NetEvent
.packet
^.dataLength
-1, True) then
616 chunk
:= msg
.ReadLongInt();
617 if (chunk
< 0) or (chunk
> (tf
.size
+tf
.chunkSize
-1) div tf
.chunkSize
) then
622 e_LogWritefln('client #%d started file transfer from chunk %d', [nc
.ID
, chunk
]);
623 // start sending chunks
624 tf
.inProgress
:= True;
625 tf
.lastSentChunk
:= chunk
-1;
626 tf
.lastAckChunk
:= chunk
-1;
627 ProcessChunkSend(nc
^);
629 NTF_CLIENT_ACK
: // chunk ack; chunk number follows
631 if not Assigned(tf
.stream
) then
636 if (tf
.lastSentChunk
< 0) or (not tf
.inProgress
) then
638 // double ack, get lost
642 if (NetEvent
.packet
^.dataLength
< 2) then
648 if not msg
.Init(NetEvent
.packet
^.data
+1, NetEvent
.packet
^.dataLength
-1, True) then
653 chunk
:= msg
.ReadLongInt();
654 if (chunk
< 0) or (chunk
> (tf
.size
+tf
.chunkSize
-1) div tf
.chunkSize
) then
659 // do it this way, so client may seek, or request retransfers for some reason
660 tf
.lastAckChunk
:= chunk
;
661 tf
.lastSentChunk
:= chunk
;
662 //e_LogWritefln('client #%d acked file transfer chunk %d', [nc.ID, chunk]);
663 ProcessChunkSend(nc
^);
665 NTF_CLIENT_MAP_REQUEST
:
667 e_LogWritefln('client #%d requested map info', [nc
.ID
]);
669 dfn
:= findDiskWad(gGameSettings
.WAD
);
670 if (dfn
= '') then dfn
:= '!wad_not_found!.wad'; //FIXME
671 //md5 := MD5File(dfn);
673 if (not GetDiskFileInfo(dfn
, fi
)) then
675 e_LogWritefln('client #%d requested map info, but i cannot get file info', [nc
.ID
]);
681 st := openDiskFileRO(dfn);
682 if not assigned(st) then exit; //wtf?!
687 trans_omsg
.Write(Byte(NTF_SERVER_MAP_INFO
));
689 trans_omsg
.Write(ExtractFileName(gGameSettings
.WAD
));
691 trans_omsg
.Write(md5
);
693 trans_omsg
.Write(size
);
694 // number of external resources for map
695 trans_omsg
.Write(LongInt(length(gExternalResources
)));
696 // external resource names
697 for f
:= 0 to High(gExternalResources
) do
700 //trans_omsg.Write(ExtractFileName(gExternalResources[f])); // GameDir+'/wads/'+ResList.Strings[i]
702 trans_omsg
.Write('!');
703 trans_omsg
.Write(LongInt(gExternalResources
[f
].size
));
704 trans_omsg
.Write(gExternalResources
[f
].hash
);
705 trans_omsg
.Write(ExtractFileName(gExternalResources
[f
].diskName
));
708 if not ftransSendServerMsg(nc
^, trans_omsg
) then exit
;
719 //**************************************************************************
721 // file transfer crap (both client and server)
723 //**************************************************************************
725 function getNewTimeoutEnd (): Int64;
727 result
:= GetTimerMS();
728 if (g_Net_DownloadTimeout
<= 0) then
730 result
:= result
+1000*60*3; // 3 minutes
734 result
:= result
+trunc(g_Net_DownloadTimeout
*1000);
739 // send map request to server, and wait for "map info" server reply
741 // returns `false` on error or user abort
743 // diskName: map wad file name (without a path)
744 // hash: map wad hash
745 // size: map wad size
746 // chunkSize: set too
747 // resList: list of resource wads
753 // for maps, first `tf.diskName` name will be map wad name, and `tf.hash`/`tf.size` will contain map info
754 function g_Net_Wait_MapInfo (var tf
: TNetFileTransfer
; var resList
: TNetMapResourceInfoArray
): Integer;
760 freePacket
: Boolean = false;
765 ri
: ^TNetMapResourceInfo
;
767 SetLength(resList
, 0);
771 trans_omsg
.Write(Byte(NTF_CLIENT_MAP_REQUEST
));
772 if not ftransSendClientMsg(trans_omsg
) then begin result
:= -1; exit
; end;
774 FillChar(ev
, SizeOf(ev
), 0);
777 ett
:= getNewTimeoutEnd();
779 status
:= enet_host_service(NetHost
, @ev
, 300);
783 g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' network error', True);
788 if (status
<= 0) then
794 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' timeout reached', True);
803 ENET_EVENT_TYPE_RECEIVE
:
806 if (ev
.channelID
<> NET_CHAN_DOWNLOAD_EX
) then
808 //e_LogWritefln('g_Net_Wait_MapInfo: skip message from non-transfer channel', []);
810 g_Net_Client_HandlePacket(ev
.packet
, g_Net_ClientLightMsgHandler
);
811 if (g_Res_received_map_start
< 0) then begin result
:= -666; exit
; end;
815 ett
:= getNewTimeoutEnd();
816 if (ev
.packet
.dataLength
< 1) then
818 e_LogWritefln('g_Net_Wait_MapInfo: invalid server packet (no data)', []);
822 Ptr
:= ev
.packet
^.data
;
823 rMsgId
:= Byte(Ptr
^);
824 e_LogWritefln('g_Net_Wait_MapInfo: got message %u from server (dataLength=%u)', [rMsgId
, ev
.packet
^.dataLength
]);
825 if (rMsgId
= NTF_SERVER_FILE_INFO
) then
827 e_LogWritefln('g_Net_Wait_MapInfo: waiting for map info reply, but got file info reply', []);
831 else if (rMsgId
= NTF_SERVER_ABORT
) then
833 e_LogWritefln('g_Net_Wait_MapInfo: server aborted transfer', []);
837 else if (rMsgId
= NTF_SERVER_MAP_INFO
) then
839 e_LogWritefln('g_Net_Wait_MapInfo: creating map info packet...', []);
840 if not msg
.Init(ev
.packet
^.data
+1, ev
.packet
^.dataLength
-1, True) then exit
;
841 e_LogWritefln('g_Net_Wait_MapInfo: parsing map info packet (rd=%d; max=%d)...', [msg
.ReadCount
, msg
.MaxSize
]);
842 SetLength(resList
, 0); // just in case
844 tf
.diskName
:= msg
.ReadString();
845 e_LogWritefln('g_Net_Wait_MapInfo: map wad is `%s`', [tf
.diskName
]);
847 tf
.hash
:= msg
.ReadMD5();
849 tf
.size
:= msg
.ReadLongInt();
850 e_LogWritefln('g_Net_Wait_MapInfo: map wad size is %d', [tf
.size
]);
851 // number of external resources for map
852 rc
:= msg
.ReadLongInt();
853 if (rc
< 0) or (rc
> 1024) then
855 e_LogWritefln('g_Net_Wait_Event: invalid number of map external resources (%d)', [rc
]);
859 e_LogWritefln('g_Net_Wait_MapInfo: map external resource count is %d', [rc
]);
860 SetLength(resList
, rc
);
861 // external resource names
862 for f
:= 0 to rc
-1 do
865 s
:= msg
.ReadString();
866 if (length(s
) = 0) then begin result
:= -1; exit
; end;
870 ri
.size
:= msg
.ReadLongInt();
871 ri
.hash
:= msg
.ReadMD5();
872 ri
.wadName
:= ExtractFileName(msg
.ReadString());
873 if (length(ri
.wadName
) = 0) or (ri
.size
< 0) then begin result
:= -1; exit
; end;
877 // old-style packet, only name
878 ri
.wadName
:= ExtractFileName(s
);
879 if (length(ri
.wadName
) = 0) then begin result
:= -1; exit
; end;
880 ri
.size
:= -1; // unknown
883 e_LogWritefln('g_Net_Wait_MapInfo: got map info', []);
884 Result
:= 0; // success
889 e_LogWritefln('g_Net_Wait_Event: invalid server packet type', []);
895 ENET_EVENT_TYPE_DISCONNECT
:
897 if (ev
.data
<= NET_DISC_MAX
) then
898 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' ' + _lc
[TStrings_Locale(Cardinal(I_NET_DISC_NONE
) + ev
.data
)], True);
904 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' unknown ENet event ' + IntToStr(Ord(ev
.kind
)), True);
909 if (freePacket
) then begin freePacket
:= false; enet_packet_destroy(ev
.packet
); end;
912 if g_Net_UserRequestExit() then
914 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' user abort', True);
920 if (freePacket
) then enet_packet_destroy(ev
.packet
);
925 // send file request to server, and wait for server reply
927 // returns `false` on error or user abort
929 // diskName (actually, base name)
938 // for maps, first `tf.diskName` name will be map wad name, and `tf.hash`/`tf.size` will contain map info
939 function g_Net_RequestResFileInfo (resIndex
: LongInt; out tf
: TNetFileTransfer
): Integer;
945 freePacket
: Boolean = false;
951 trans_omsg
.Write(Byte(NTF_CLIENT_FILE_REQUEST
));
952 trans_omsg
.Write(resIndex
);
953 if not ftransSendClientMsg(trans_omsg
) then begin result
:= -1; exit
; end;
955 FillChar(ev
, SizeOf(ev
), 0);
958 ett
:= getNewTimeoutEnd();
960 status
:= enet_host_service(NetHost
, @ev
, 300);
964 g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' network error', True);
969 if (status
<= 0) then
975 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' timeout reached', True);
984 ENET_EVENT_TYPE_RECEIVE
:
987 if (ev
.channelID
<> NET_CHAN_DOWNLOAD_EX
) then
989 //e_LogWriteln('g_Net_Wait_Event: skip message from non-transfer channel');
991 g_Net_Client_HandlePacket(ev
.packet
, g_Net_ClientLightMsgHandler
);
992 if (g_Res_received_map_start
< 0) then begin result
:= -666; exit
; end;
996 ett
:= getNewTimeoutEnd();
997 if (ev
.packet
.dataLength
< 1) then
999 e_LogWriteln('g_Net_Wait_Event: invalid server packet (no data)');
1003 Ptr
:= ev
.packet
^.data
;
1004 rMsgId
:= Byte(Ptr
^);
1005 e_LogWritefln('received transfer packet with id %d (%u bytes)', [rMsgId
, ev
.packet
^.dataLength
]);
1006 if (rMsgId
= NTF_SERVER_FILE_INFO
) then
1008 if not msg
.Init(ev
.packet
^.data
+1, ev
.packet
^.dataLength
-1, True) then exit
;
1009 tf
.hash
:= msg
.ReadMD5();
1010 tf
.size
:= msg
.ReadLongInt();
1011 tf
.chunkSize
:= msg
.ReadLongInt();
1012 tf
.diskName
:= ExtractFileName(msg
.readString());
1013 if (tf
.size
< 0) or (tf
.chunkSize
<> FILE_CHUNK_SIZE
) or (length(tf
.diskName
) = 0) then
1015 e_LogWritefln('g_Net_RequestResFileInfo: invalid file info packet', []);
1019 e_LogWritefln('got file info for resource #%d: size=%d; name=%s', [resIndex
, tf
.size
, tf
.diskName
]);
1020 Result
:= 0; // success
1023 else if (rMsgId
= NTF_SERVER_ABORT
) then
1025 e_LogWriteln('g_Net_RequestResFileInfo: server aborted transfer');
1029 else if (rMsgId
= NTF_SERVER_MAP_INFO
) then
1031 e_LogWriteln('g_Net_RequestResFileInfo: waiting for map info reply, but got file info reply');
1037 e_LogWriteln('g_Net_RequestResFileInfo: invalid server packet type');
1043 ENET_EVENT_TYPE_DISCONNECT
:
1045 if (ev
.data
<= NET_DISC_MAX
) then
1046 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' ' + _lc
[TStrings_Locale(Cardinal(I_NET_DISC_NONE
) + ev
.data
)], True);
1052 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' unknown ENet event ' + IntToStr(Ord(ev
.kind
)), True);
1057 if (freePacket
) then begin freePacket
:= false; enet_packet_destroy(ev
.packet
); end;
1060 if g_Net_UserRequestExit() then
1062 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' user abort', True);
1068 if (freePacket
) then enet_packet_destroy(ev
.packet
);
1073 // call this to cancel file transfer requested by `g_Net_RequestResFileInfo()`
1074 function g_Net_AbortResTransfer (var tf
: TNetFileTransfer
): Boolean;
1077 e_LogWritefln('aborting file transfer...', []);
1080 trans_omsg
.Write(Byte(NTF_CLIENT_ABORT
));
1081 result
:= ftransSendClientMsg(trans_omsg
);
1082 if result
then enet_host_flush(NetHost
);
1086 // call this to start file transfer requested by `g_Net_RequestResFileInfo()`
1088 // returns `false` on error or user abort
1097 // 2 on server abort
1098 // for maps, first `tf.diskName` name will be map wad name, and `tf.hash`/`tf.size` will contain map info
1099 function g_Net_ReceiveResourceFile (resIndex
: LongInt; var tf
: TNetFileTransfer
; strm
: TStream
): Integer;
1105 freePacket
: Boolean = false;
1108 nextChunk
: Integer = 0;
1109 chunkTotal
: Integer;
1116 tf
.resumed
:= false;
1117 e_LogWritefln('file `%s`, size=%d (%d)', [tf
.diskName
, Integer(strm
.size
), tf
.size
], TMsgType
.Notify
);
1118 // check if we should resume downloading
1119 resumed
:= (strm
.size
> tf
.chunkSize
) and (strm
.size
< tf
.size
);
1122 trans_omsg
.Write(Byte(NTF_CLIENT_START
));
1123 if resumed
then chunk
:= strm
.size
div tf
.chunkSize
else chunk
:= 0;
1124 trans_omsg
.Write(LongInt(chunk
));
1125 if not ftransSendClientMsg(trans_omsg
) then begin result
:= -1; exit
; end;
1127 strm
.Seek(chunk
*tf
.chunkSize
, soFromBeginning
);
1128 chunkTotal
:= (tf
.size
+tf
.chunkSize
-1) div tf
.chunkSize
;
1129 e_LogWritefln('receiving file `%s` (%d chunks)', [tf
.diskName
, chunkTotal
], TMsgType
.Notify
);
1130 g_Game_SetLoadingText('downloading "'+ExtractFileName(tf
.diskName
)+'"', chunkTotal
, False);
1131 tf
.resumed
:= resumed
;
1133 if (chunk
> 0) then g_Game_StepLoading(chunk
);
1136 // wait for reply data
1137 FillChar(ev
, SizeOf(ev
), 0);
1139 GetMem(buf
, tf
.chunkSize
);
1141 ett
:= getNewTimeoutEnd();
1143 //stx := -GetTimerMS();
1144 status
:= enet_host_service(NetHost
, @ev
, 300);
1146 if (status < 0) then
1148 g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' network error', True);
1153 if (status
<= 0) then
1155 // check for timeout
1159 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' timeout reached', True);
1168 ENET_EVENT_TYPE_RECEIVE
:
1171 if (ev
.channelID
<> NET_CHAN_DOWNLOAD_EX
) then
1173 //e_LogWritefln('g_Net_Wait_Event: skip message from non-transfer channel', []);
1174 freePacket
:= false;
1175 g_Net_Client_HandlePacket(ev
.packet
, g_Net_ClientLightMsgHandler
);
1176 if (g_Res_received_map_start
< 0) then begin result
:= -666; exit
; end;
1180 //stx := stx+GetTimerMS();
1181 //e_LogWritefln('g_Net_ReceiveResourceFile: stx=%d', [Integer(stx)]);
1182 //stx := -GetTimerMS();
1183 ett
:= getNewTimeoutEnd();
1184 if (ev
.packet
.dataLength
< 1) then
1186 e_LogWritefln('g_Net_ReceiveResourceFile: invalid server packet (no data)', []);
1190 Ptr
:= ev
.packet
^.data
;
1191 rMsgId
:= Byte(Ptr
^);
1192 if (rMsgId
= NTF_SERVER_DONE
) then
1194 e_LogWritefln('file transfer complete.', []);
1198 else if (rMsgId
= NTF_SERVER_CHUNK
) then
1200 if not msg
.Init(ev
.packet
^.data
+1, ev
.packet
^.dataLength
-1, True) then exit
;
1201 chunk
:= msg
.ReadLongInt();
1202 csize
:= msg
.ReadLongInt();
1203 if (chunk
<> nextChunk
) then
1205 e_LogWritefln('received chunk %d, but expected chunk %d', [chunk
, nextChunk
]);
1209 if (csize
< 0) or (csize
> tf
.chunkSize
) then
1211 e_LogWritefln('received chunk with size %d, but expected chunk size is %d', [csize
, tf
.chunkSize
]);
1215 //e_LogWritefln('got chunk #%d of #%d (csize=%d)', [chunk, (tf.size+tf.chunkSize-1) div tf.chunkSize, csize]);
1216 msg
.ReadData(buf
, csize
);
1217 strm
.WriteBuffer(buf
^, csize
);
1218 nextChunk
:= chunk
+1;
1219 g_Game_StepLoading();
1222 trans_omsg
.Write(Byte(NTF_CLIENT_ACK
));
1223 trans_omsg
.Write(LongInt(chunk
));
1224 if not ftransSendClientMsg(trans_omsg
) then begin result
:= -1; exit
; end;
1226 else if (rMsgId
= NTF_SERVER_ABORT
) then
1228 e_LogWritefln('g_Net_ReceiveResourceFile: server aborted transfer', []);
1234 e_LogWritefln('g_Net_ReceiveResourceFile: invalid server packet type', []);
1238 //stx := stx+GetTimerMS();
1239 //e_LogWritefln('g_Net_ReceiveResourceFile: process stx=%d', [Integer(stx)]);
1242 ENET_EVENT_TYPE_DISCONNECT
:
1244 if (ev
.data
<= NET_DISC_MAX
) then
1245 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' ' + _lc
[TStrings_Locale(Cardinal(I_NET_DISC_NONE
) + ev
.data
)], True);
1251 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' unknown ENet event ' + IntToStr(Ord(ev
.kind
)), True);
1256 if (freePacket
) then begin freePacket
:= false; enet_packet_destroy(ev
.packet
); end;
1259 if g_Net_UserRequestExit() then
1261 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' user abort', True);
1268 if (freePacket
) then enet_packet_destroy(ev
.packet
);
1273 //**************************************************************************
1277 //**************************************************************************
1279 function g_Net_FindSlot(): Integer;
1288 for I
:= Low(NetClients
) to High(NetClients
) do
1290 if NetClients
[I
].Used
then
1299 if C
>= NetMaxClients
then
1307 if (Length(NetClients
) >= NetMaxClients
) then
1311 SetLength(NetClients
, Length(NetClients
) + 1);
1312 N
:= High(NetClients
);
1318 NetClients
[N
].Used
:= True;
1319 NetClients
[N
].ID
:= N
;
1320 NetClients
[N
].RequestedFullUpdate
:= False;
1321 NetClients
[N
].WaitForFirstSpawn
:= False;
1322 NetClients
[N
].RCONAuth
:= False;
1323 NetClients
[N
].Voted
:= False;
1324 NetClients
[N
].Player
:= 0;
1325 clearNetClientTransfers(NetClients
[N
]); // just in case
1332 function g_Net_Init(): Boolean;
1341 NetBuf
[NET_UNRELIABLE
].Clear();
1342 NetBuf
[NET_RELIABLE
].Clear();
1343 //SetLength(NetClients, 0);
1344 clearNetClients(true); // clear array
1350 NetAddr
.port
:= 25666;
1351 SetLength(NetBannedHosts
, 0);
1352 path
:= BANLIST_FILENAME
;
1353 if e_FindResource(DataDirs
, path
) = true then
1360 if StrToIp(IPstr
, IP
) then
1364 g_Net_SaveBanList();
1367 //Result := (enet_initialize() = 0);
1368 Result
:= enet_init_success
;
1371 procedure g_Net_Flush();
1375 F
, Chan
: enet_uint32
;
1379 Chan
:= NET_CHAN_GAME
;
1381 if NetMode
= NET_SERVER
then
1382 for T
:= NET_UNRELIABLE
to NET_RELIABLE
do
1384 if NetBuf
[T
].CurSize
> 0 then
1386 P
:= enet_packet_create(NetBuf
[T
].Data
, NetBuf
[T
].CurSize
, F
);
1387 if not Assigned(P
) then continue
;
1388 enet_host_broadcast(NetHost
, Chan
, P
);
1392 for I
:= Low(NetClients
) to High(NetClients
) do
1394 if not NetClients
[I
].Used
then continue
;
1395 if NetClients
[I
].NetOut
[T
].CurSize
<= 0 then continue
;
1396 P
:= enet_packet_create(NetClients
[I
].NetOut
[T
].Data
, NetClients
[I
].NetOut
[T
].CurSize
, F
);
1397 if not Assigned(P
) then continue
;
1398 enet_peer_send(NetClients
[I
].Peer
, Chan
, P
);
1399 NetClients
[I
].NetOut
[T
].Clear();
1402 // next and last iteration is always RELIABLE
1403 F
:= LongWord(ENET_PACKET_FLAG_RELIABLE
);
1404 Chan
:= NET_CHAN_IMPORTANT
;
1406 else if NetMode
= NET_CLIENT
then
1407 for T
:= NET_UNRELIABLE
to NET_RELIABLE
do
1409 if NetBuf
[T
].CurSize
> 0 then
1411 P
:= enet_packet_create(NetBuf
[T
].Data
, NetBuf
[T
].CurSize
, F
);
1412 if not Assigned(P
) then continue
;
1413 enet_peer_send(NetPeer
, Chan
, P
);
1416 // next and last iteration is always RELIABLE
1417 F
:= LongWord(ENET_PACKET_FLAG_RELIABLE
);
1418 Chan
:= NET_CHAN_IMPORTANT
;
1422 procedure g_Net_Cleanup();
1426 NetBuf
[NET_UNRELIABLE
].Clear();
1427 NetBuf
[NET_RELIABLE
].Clear();
1429 //SetLength(NetClients, 0);
1430 clearNetClients(true); // clear array
1431 NetClientCount
:= 0;
1435 g_Net_Slist_ServerClosed();
1439 NetState
:= NET_STATE_NONE
;
1441 NetPongSock
:= ENET_SOCKET_NULL
;
1443 NetTimeToMaster
:= 0;
1444 NetTimeToUpdate
:= 0;
1445 NetTimeToReliable
:= 0;
1447 NetMode
:= NET_NONE
;
1449 if NetPortThread
<> NilThreadId
then
1450 WaitForThreadTerminate(NetPortThread
, 66666);
1452 NetPortThread
:= NilThreadId
;
1453 g_Net_UnforwardPorts();
1459 procedure g_Net_Free();
1463 //enet_deinitialize();
1464 NetInitDone
:= False;
1468 //**************************************************************************
1472 //**************************************************************************
1474 function ForwardThread(Param
: Pointer): PtrInt
;
1477 if not g_Net_ForwardPorts() then Result
:= -1;
1480 function g_Net_Host(IPAddr
: LongWord; Port
: enet_uint16
; MaxClients
: Cardinal = 16): Boolean;
1482 if NetMode
<> NET_NONE
then
1484 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_INGAME
]);
1491 g_Console_Add(_lc
[I_NET_MSG
] + Format(_lc
[I_NET_MSG_HOST
], [Port
]));
1492 if not NetInitDone
then
1494 if (not g_Net_Init()) then
1496 g_Console_Add(_lc
[I_NET_MSG_FERROR
] + _lc
[I_NET_ERR_ENET
]);
1501 NetInitDone
:= True;
1504 NetAddr
.host
:= IPAddr
;
1505 NetAddr
.port
:= Port
;
1507 NetHost
:= enet_host_create(@NetAddr
, NET_MAXCLIENTS
, NET_CHANS
, 0, 0);
1509 if (NetHost
= nil) then
1511 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + Format(_lc
[I_NET_ERR_HOST
], [Port
]));
1517 if NetForwardPorts
then NetPortThread
:= BeginThread(ForwardThread
);
1519 NetPongSock
:= enet_socket_create(ENET_SOCKET_TYPE_DATAGRAM
);
1520 if NetPongSock
<> ENET_SOCKET_NULL
then
1522 NetPongAddr
.host
:= IPAddr
;
1523 NetPongAddr
.port
:= NET_PING_PORT
;
1524 if enet_socket_bind(NetPongSock
, @NetPongAddr
) < 0 then
1526 enet_socket_destroy(NetPongSock
);
1527 NetPongSock
:= ENET_SOCKET_NULL
;
1530 enet_socket_set_option(NetPongSock
, ENET_SOCKOPT_NONBLOCK
, 1);
1533 NetMode
:= NET_SERVER
;
1535 NetBuf
[NET_UNRELIABLE
].Clear();
1536 NetBuf
[NET_RELIABLE
].Clear();
1542 procedure g_Net_Host_Die();
1546 if NetMode
<> NET_SERVER
then Exit
;
1548 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_DISCALL
]);
1549 for I
:= 0 to High(NetClients
) do
1550 if NetClients
[I
].Used
then
1551 enet_peer_disconnect(NetClients
[I
].Peer
, NET_DISC_DOWN
);
1553 while enet_host_service(NetHost
, @NetEvent
, 1000) > 0 do
1554 if NetEvent
.kind
= ENET_EVENT_TYPE_RECEIVE
then
1555 enet_packet_destroy(NetEvent
.packet
);
1557 for I
:= 0 to High(NetClients
) do
1558 if NetClients
[I
].Used
then
1560 FreeMemory(NetClients
[I
].Peer
^.data
);
1561 NetClients
[I
].Peer
^.data
:= nil;
1562 enet_peer_reset(NetClients
[I
].Peer
);
1563 NetClients
[I
].Peer
:= nil;
1564 NetClients
[I
].Used
:= False;
1565 NetClients
[I
].Player
:= 0;
1566 NetClients
[I
].Crimes
:= 0;
1567 NetClients
[I
].NetOut
[NET_UNRELIABLE
].Free();
1568 NetClients
[I
].NetOut
[NET_RELIABLE
].Free();
1571 clearNetClients(false); // don't clear array
1572 g_Net_Slist_ServerClosed();
1573 if NetPongSock
<> ENET_SOCKET_NULL
then
1574 enet_socket_destroy(NetPongSock
);
1576 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_DIE
]);
1577 enet_host_destroy(NetHost
);
1579 NetMode
:= NET_NONE
;
1582 e_WriteLog('NET: Server stopped', TMsgType
.Notify
);
1586 procedure g_Net_Host_Send(ID
: Integer; Reliable
: Boolean; Chan
: Byte = NET_CHAN_GAME
);
1593 T
:= NET_UNRELIABLE
;
1597 if ID
> High(NetClients
) then Exit
;
1598 if NetClients
[ID
].Peer
= nil then Exit
;
1600 NetClients
[ID
].NetOut
[T
].Write(Integer(NetOut
.CurSize
));
1601 NetClients
[ID
].NetOut
[T
].Write(NetOut
);
1606 NetBuf
[T
].Write(Integer(NetOut
.CurSize
));
1607 NetBuf
[T
].Write(NetOut
);
1610 if NetDump
then g_Net_DumpSendBuffer();
1614 procedure g_Net_Host_CheckPings();
1616 ClAddr
: ENetAddress
;
1620 Ping
: array [0..9] of Byte;
1623 if (NetPongSock
= ENET_SOCKET_NULL
) or (NetHost
= nil) then Exit
;
1625 Buf
.data
:= Addr(Ping
[0]);
1626 Buf
.dataLength
:= 2+8;
1630 Len
:= enet_socket_receive(NetPongSock
, @ClAddr
, @Buf
, 1);
1631 if Len
< 0 then Exit
;
1633 if (Ping
[0] = Ord('D')) and (Ping
[1] = Ord('F')) then
1635 ClTime
:= Int64(Addr(Ping
[2])^);
1638 NetOut
.Write(Byte(Ord('D')));
1639 NetOut
.Write(Byte(Ord('F')));
1640 NetOut
.Write(NetHost
.address
.port
);
1641 NetOut
.Write(ClTime
);
1642 TMasterHost
.writeInfo(NetOut
);
1644 if gPlayer1
<> nil then Inc(NPl
);
1645 if gPlayer2
<> nil then Inc(NPl
);
1647 NetOut
.Write(gNumBots
);
1649 Buf
.data
:= NetOut
.Data
;
1650 Buf
.dataLength
:= NetOut
.CurSize
;
1651 enet_socket_send(NetPongSock
, @ClAddr
, @Buf
, 1);
1658 function g_Net_Host_Update(): enet_size_t
;
1669 if NetUseMaster
then g_Net_Slist_Pulse();
1670 g_Net_Host_CheckPings();
1672 while (enet_host_service(NetHost
, @NetEvent
, 0) > 0) do
1674 case (NetEvent
.kind
) of
1675 ENET_EVENT_TYPE_CONNECT
:
1677 IP
:= IpToStr(NetEvent
.Peer
^.address
.host
);
1678 Port
:= NetEvent
.Peer
^.address
.port
;
1679 g_Console_Add(_lc
[I_NET_MSG
] +
1680 Format(_lc
[I_NET_MSG_HOST_CONN
], [IP
, Port
]));
1682 if (NetEvent
.data
<> NET_PROTOCOL_VER
) then
1684 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_REJECT
] +
1685 _lc
[I_NET_DISC_PROTOCOL
]);
1686 NetEvent
.peer
^.data
:= GetMemory(SizeOf(Byte));
1687 Byte(NetEvent
.peer
^.data
^) := 255;
1688 enet_peer_disconnect(NetEvent
.peer
, NET_DISC_PROTOCOL
);
1689 enet_host_flush(NetHost
);
1693 if g_Net_IsHostBanned(NetEvent
.Peer
^.address
.host
) then
1695 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_REJECT
] +
1696 _lc
[I_NET_DISC_BAN
]);
1697 NetEvent
.peer
^.data
:= GetMemory(SizeOf(Byte));
1698 Byte(NetEvent
.peer
^.data
^) := 255;
1699 enet_peer_disconnect(NetEvent
.Peer
, NET_DISC_BAN
);
1700 enet_host_flush(NetHost
);
1704 ID
:= g_Net_FindSlot();
1708 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_REJECT
] +
1709 _lc
[I_NET_DISC_FULL
]);
1710 NetEvent
.Peer
^.data
:= GetMemory(SizeOf(Byte));
1711 Byte(NetEvent
.peer
^.data
^) := 255;
1712 enet_peer_disconnect(NetEvent
.peer
, NET_DISC_FULL
);
1713 enet_host_flush(NetHost
);
1717 NetClients
[ID
].Peer
:= NetEvent
.peer
;
1718 NetClients
[ID
].Peer
^.data
:= GetMemory(SizeOf(Byte));
1719 Byte(NetClients
[ID
].Peer
^.data
^) := ID
;
1720 NetClients
[ID
].State
:= NET_STATE_AUTH
;
1721 NetClients
[ID
].Player
:= 0;
1722 NetClients
[ID
].Crimes
:= 0;
1723 NetClients
[ID
].RCONAuth
:= False;
1724 NetClients
[ID
].NetOut
[NET_UNRELIABLE
].Alloc(NET_BUFSIZE
*2);
1725 NetClients
[ID
].NetOut
[NET_RELIABLE
].Alloc(NET_BUFSIZE
*2);
1726 clearNetClientTransfers(NetClients
[ID
]); // just in case
1728 enet_peer_timeout(NetEvent
.peer
, ENET_PEER_TIMEOUT_LIMIT
* 2, ENET_PEER_TIMEOUT_MINIMUM
* 2, ENET_PEER_TIMEOUT_MAXIMUM
* 2);
1730 Inc(NetClientCount
);
1731 g_Console_Add(_lc
[I_NET_MSG
] + Format(_lc
[I_NET_MSG_HOST_ADD
], [ID
]));
1734 ENET_EVENT_TYPE_RECEIVE
:
1736 //e_LogWritefln('RECEIVE: chan=%u', [NetEvent.channelID]);
1737 if (NetEvent
.channelID
= NET_CHAN_DOWNLOAD_EX
) then
1739 ProcessDownloadExPacket();
1743 ID
:= Byte(NetEvent
.peer
^.data
^);
1744 if ID
> High(NetClients
) then Exit
;
1745 TC
:= @NetClients
[ID
];
1747 if NetDump
then g_Net_DumpRecvBuffer(NetEvent
.packet
^.data
, NetEvent
.packet
^.dataLength
);
1748 g_Net_Host_HandlePacket(TC
, NetEvent
.packet
, g_Net_HostMsgHandler
);
1752 ENET_EVENT_TYPE_DISCONNECT
:
1754 ID
:= Byte(NetEvent
.peer
^.data
^);
1755 if ID
> High(NetClients
) then Exit
;
1756 clearNetClient(NetClients
[ID
]);
1757 TC
:= @NetClients
[ID
];
1758 if TC
= nil then Exit
;
1760 if not (TC
^.Used
) then Exit
;
1762 TP
:= g_Player_Get(TC
^.Player
);
1767 TP
.Kill(K_SIMPLEKILL
, 0, HIT_DISCON
);
1768 g_Console_Add(Format(_lc
[I_PLAYER_LEAVE
], [TP
.Name
]), True);
1769 e_WriteLog('NET: Client ' + TP
.Name
+ ' [' + IntToStr(ID
) + '] disconnected.', TMsgType
.Notify
);
1770 g_Player_Remove(TP
.UID
);
1774 TC
^.State
:= NET_STATE_NONE
;
1778 TC
^.RequestedFullUpdate
:= False;
1779 TC
^.WaitForFirstSpawn
:= False;
1780 TC
^.NetOut
[NET_UNRELIABLE
].Free();
1781 TC
^.NetOut
[NET_RELIABLE
].Free();
1783 FreeMemory(NetEvent
.peer
^.data
);
1784 NetEvent
.peer
^.data
:= nil;
1785 g_Console_Add(_lc
[I_NET_MSG
] + Format(_lc
[I_NET_MSG_HOST_DISC
], [ID
]));
1786 Dec(NetClientCount
);
1788 if NetUseMaster
then g_Net_Slist_ServerPlayerLeaves();
1795 //**************************************************************************
1799 //**************************************************************************
1801 procedure g_Net_Disconnect(Forced
: Boolean = False);
1803 if NetMode
<> NET_CLIENT
then Exit
;
1804 if (NetHost
= nil) or (NetPeer
= nil) then Exit
;
1808 enet_peer_disconnect(NetPeer
, NET_DISC_NONE
);
1810 while (enet_host_service(NetHost
, @NetEvent
, 1500) > 0) do
1812 if (NetEvent
.kind
= ENET_EVENT_TYPE_DISCONNECT
) then
1818 if (NetEvent
.kind
= ENET_EVENT_TYPE_RECEIVE
) then
1819 enet_packet_destroy(NetEvent
.packet
);
1822 if NetPeer
<> nil then
1824 enet_peer_reset(NetPeer
);
1830 e_WriteLog('NET: Kicked from server: ' + IntToStr(NetEvent
.data
), TMsgType
.Notify
);
1831 if (NetEvent
.data
<= NET_DISC_MAX
) then
1832 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_KICK
] +
1833 _lc
[TStrings_Locale(Cardinal(I_NET_DISC_NONE
) + NetEvent
.data
)], True);
1836 if NetHost
<> nil then
1838 enet_host_destroy(NetHost
);
1841 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_CLIENT_DISC
]);
1844 e_WriteLog('NET: Disconnected', TMsgType
.Notify
);
1847 procedure g_Net_Client_Send(Reliable
: Boolean; Chan
: Byte = NET_CHAN_GAME
);
1854 T
:= NET_UNRELIABLE
;
1857 NetBuf
[T
].Write(Integer(NetOut
.CurSize
));
1858 NetBuf
[T
].Write(NetOut
);
1860 if NetDump
then g_Net_DumpSendBuffer();
1862 g_Net_Flush(); // FIXME: for now, send immediately
1865 function g_Net_Client_Update(): enet_size_t
;
1868 while (NetHost
<> nil) and (enet_host_service(NetHost
, @NetEvent
, 0) > 0) do
1870 case NetEvent
.kind
of
1871 ENET_EVENT_TYPE_RECEIVE
:
1873 if (NetEvent
.channelID
= NET_CHAN_DOWNLOAD_EX
) then continue
; // ignore all download packets, they're processed by separate code
1874 if NetDump
then g_Net_DumpRecvBuffer(NetEvent
.packet
^.data
, NetEvent
.packet
^.dataLength
);
1875 g_Net_Client_HandlePacket(NetEvent
.packet
, g_Net_ClientMsgHandler
);
1878 ENET_EVENT_TYPE_DISCONNECT
:
1880 g_Net_Disconnect(True);
1888 function g_Net_Client_UpdateWhileLoading(): enet_size_t
;
1891 while (enet_host_service(NetHost
, @NetEvent
, 0) > 0) do
1893 case NetEvent
.kind
of
1894 ENET_EVENT_TYPE_RECEIVE
:
1896 if (NetEvent
.channelID
= NET_CHAN_DOWNLOAD_EX
) then continue
; // ignore all download packets, they're processed by separate code
1897 if NetDump
then g_Net_DumpRecvBuffer(NetEvent
.packet
^.data
, NetEvent
.packet
^.dataLength
);
1898 g_Net_Client_HandlePacket(NetEvent
.packet
, g_Net_ClientLightMsgHandler
);
1901 ENET_EVENT_TYPE_DISCONNECT
:
1903 g_Net_Disconnect(True);
1912 function g_Net_Connect(IP
: string; Port
: enet_uint16
): Boolean;
1915 TimeoutTime
, T
: Int64;
1917 if NetMode
<> NET_NONE
then
1919 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_ERR_INGAME
], True);
1926 g_Console_Add(_lc
[I_NET_MSG
] + Format(_lc
[I_NET_MSG_CLIENT_CONN
],
1928 if not NetInitDone
then
1930 if (not g_Net_Init()) then
1932 g_Console_Add(_lc
[I_NET_MSG_FERROR
] + _lc
[I_NET_ERR_ENET
], True);
1937 NetInitDone
:= True;
1940 NetHost
:= enet_host_create(nil, 1, NET_CHANS
, 0, 0);
1942 if (NetHost
= nil) then
1944 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CLIENT
], True);
1950 enet_address_set_host(@NetAddr
, PChar(Addr(IP
[1])));
1951 NetAddr
.port
:= Port
;
1953 NetPeer
:= enet_host_connect(NetHost
, @NetAddr
, NET_CHANS
, NET_PROTOCOL_VER
);
1955 if (NetPeer
= nil) then
1957 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CLIENT
], True);
1958 enet_host_destroy(NetHost
);
1964 // предупредить что ждем слишком долго через N секунд
1965 TimeoutTime
:= sys_GetTicks() + NET_CONNECT_TIMEOUT
;
1970 while (enet_host_service(NetHost
, @NetEvent
, 0) > 0) do
1972 if (NetEvent
.kind
= ENET_EVENT_TYPE_CONNECT
) then
1974 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_CLIENT_DONE
]);
1975 NetMode
:= NET_CLIENT
;
1977 enet_peer_timeout(NetPeer
, ENET_PEER_TIMEOUT_LIMIT
* 2, ENET_PEER_TIMEOUT_MINIMUM
* 2, ENET_PEER_TIMEOUT_MAXIMUM
* 2);
1979 NetClientPort
:= Port
;
1986 T
:= sys_GetTicks();
1987 if T
> TimeoutTime
then
1989 TimeoutTime
:= T
+ NET_CONNECT_TIMEOUT
* 100; // одного предупреждения хватит
1990 g_Console_Add(_lc
[I_NET_MSG_TIMEOUT_WARN
], True);
1991 g_Console_Add(Format(_lc
[I_NET_MSG_PORTS
], [Integer(Port
), Integer(NET_PING_PORT
)]), True);
1994 ProcessLoading(true);
1996 if e_KeyPressed(IK_SPACE
) or e_KeyPressed(IK_ESCAPE
) or e_KeyPressed(VK_ESCAPE
) or
1997 e_KeyPressed(JOY0_JUMP
) or e_KeyPressed(JOY1_JUMP
) or e_KeyPressed(JOY2_JUMP
) or e_KeyPressed(JOY3_JUMP
) then
2001 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_TIMEOUT
], True);
2002 g_Console_Add(Format(_lc
[I_NET_MSG_PORTS
], [Integer(Port
), Integer(NET_PING_PORT
)]), True);
2003 if NetPeer
<> nil then enet_peer_reset(NetPeer
);
2004 if NetHost
<> nil then
2006 enet_host_destroy(NetHost
);
2013 function IpToStr(IP
: LongWord): string;
2018 Result
:= IntToStr(PByte(Ptr
+ 0)^) + '.';
2019 Result
:= Result
+ IntToStr(PByte(Ptr
+ 1)^) + '.';
2020 Result
:= Result
+ IntToStr(PByte(Ptr
+ 2)^) + '.';
2021 Result
:= Result
+ IntToStr(PByte(Ptr
+ 3)^);
2024 function StrToIp(IPstr
: string; var IP
: LongWord): Boolean;
2028 Result
:= enet_address_set_host(@EAddr
, PChar(@IPstr
[1])) = 0;
2032 function g_Net_Client_ByName(Name
: string): pTNetClient
;
2038 for a
:= Low(NetClients
) to High(NetClients
) do
2039 if (NetClients
[a
].Used
) and (NetClients
[a
].State
= NET_STATE_GAME
) then
2041 pl
:= g_Player_Get(NetClients
[a
].Player
);
2042 if pl
= nil then continue
;
2043 if Copy(LowerCase(pl
.Name
), 1, Length(Name
)) <> LowerCase(Name
) then continue
;
2044 if NetClients
[a
].Peer
<> nil then
2046 Result
:= @NetClients
[a
];
2052 function g_Net_Client_ByPlayer(PID
: Word): pTNetClient
;
2057 for a
:= Low(NetClients
) to High(NetClients
) do
2058 if (NetClients
[a
].Used
) and (NetClients
[a
].State
= NET_STATE_GAME
) then
2059 if NetClients
[a
].Player
= PID
then
2061 Result
:= @NetClients
[a
];
2066 function g_Net_ClientName_ByID(ID
: Integer): string;
2072 if ID
= NET_EVERYONE
then
2074 for a
:= Low(NetClients
) to High(NetClients
) do
2075 if (NetClients
[a
].ID
= ID
) and (NetClients
[a
].Used
) and (NetClients
[a
].State
= NET_STATE_GAME
) then
2077 pl
:= g_Player_Get(NetClients
[a
].Player
);
2078 if pl
= nil then Exit
;
2083 procedure g_Net_SendData(Data
: AByte
; peer
: pENetPeer
; Reliable
: Boolean; Chan
: Byte = NET_CHAN_DOWNLOAD
);
2087 dataLength
: Cardinal;
2089 dataLength
:= Length(Data
);
2092 F
:= LongWord(ENET_PACKET_FLAG_RELIABLE
)
2096 if (peer
<> nil) then
2098 P
:= enet_packet_create(@Data
[0], dataLength
, F
);
2099 if not Assigned(P
) then Exit
;
2100 enet_peer_send(peer
, Chan
, P
);
2104 P
:= enet_packet_create(@Data
[0], dataLength
, F
);
2105 if not Assigned(P
) then Exit
;
2106 enet_host_broadcast(NetHost
, Chan
, P
);
2109 enet_host_flush(NetHost
);
2112 function g_Net_IsHostBanned(IP
: LongWord; Perm
: Boolean = False): Boolean;
2117 if NetBannedHosts
= nil then
2119 for I
:= 0 to High(NetBannedHosts
) do
2120 if (NetBannedHosts
[I
].IP
= IP
) and ((not Perm
) or (NetBannedHosts
[I
].Perm
)) then
2127 procedure g_Net_BanHost(IP
: LongWord; Perm
: Boolean = True); overload
;
2133 if g_Net_IsHostBanned(IP
, Perm
) then
2137 for I
:= Low(NetBannedHosts
) to High(NetBannedHosts
) do
2138 if NetBannedHosts
[I
].IP
= 0 then
2146 SetLength(NetBannedHosts
, Length(NetBannedHosts
) + 1);
2147 P
:= High(NetBannedHosts
);
2150 NetBannedHosts
[P
].IP
:= IP
;
2151 NetBannedHosts
[P
].Perm
:= Perm
;
2154 procedure g_Net_BanHost(IP
: string; Perm
: Boolean = True); overload
;
2159 b
:= StrToIp(IP
, a
);
2161 g_Net_BanHost(a
, Perm
);
2164 procedure g_Net_UnbanNonPermHosts();
2168 if NetBannedHosts
= nil then
2170 for I
:= Low(NetBannedHosts
) to High(NetBannedHosts
) do
2171 if (NetBannedHosts
[I
].IP
> 0) and not NetBannedHosts
[I
].Perm
then
2173 NetBannedHosts
[I
].IP
:= 0;
2174 NetBannedHosts
[I
].Perm
:= True;
2178 function g_Net_UnbanHost(IP
: string): Boolean; overload
;
2182 Result
:= StrToIp(IP
, a
);
2184 Result
:= g_Net_UnbanHost(a
);
2187 function g_Net_UnbanHost(IP
: LongWord): Boolean; overload
;
2194 if NetBannedHosts
= nil then
2196 for I
:= 0 to High(NetBannedHosts
) do
2197 if NetBannedHosts
[I
].IP
= IP
then
2199 NetBannedHosts
[I
].IP
:= 0;
2200 NetBannedHosts
[I
].Perm
:= True;
2202 // no break here to clear all bans of this host, perm and non-perm
2206 procedure g_Net_SaveBanList();
2212 path
:= e_GetWriteableDir(DataDirs
);
2215 path
:= e_CatPath(path
, BANLIST_FILENAME
);
2218 if NetBannedHosts
<> nil then
2219 for I
:= 0 to High(NetBannedHosts
) do
2220 if NetBannedHosts
[I
].Perm
and (NetBannedHosts
[I
].IP
> 0) then
2221 Writeln(F
, IpToStr(NetBannedHosts
[I
].IP
));
2226 procedure g_Net_Penalize(C
: pTNetClient
; Reason
: string);
2230 e_LogWritefln('NET: client #%u (cid #%u) triggered a penalty (%d/%d): %s',
2231 [C
^.ID
, C
^.Player
, C
^.Crimes
, NetAutoBanLimit
, Reason
]);
2233 if (NetAutoBanLimit
<= 0) then Exit
;
2237 if (NetAutoBanWarn
) then
2238 MH_SEND_Chat('You have been warned by the server: ' + Reason
, NET_CHAT_SYSTEM
, C
^.ID
);
2240 if (C
^.Crimes
>= NetAutoBanLimit
) then
2242 s
:= '#' + IntToStr(C
^.ID
); // can't be arsed
2243 g_Net_BanHost(C
^.Peer
^.address
.host
, NetAutoBanPerm
);
2244 enet_peer_disconnect(C
^.Peer
, NET_DISC_BAN
);
2245 g_Console_Add(Format(_lc
[I_PLAYER_BAN
], [s
]));
2246 MH_SEND_GameEvent(NET_EV_PLAYER_BAN
, 0, s
);
2247 g_Net_Slist_ServerPlayerLeaves();
2251 procedure g_Net_DumpStart();
2253 if NetMode
= NET_SERVER
then
2254 NetDumpFile
:= e_CreateResource(LogDirs
, NETDUMP_FILENAME
+ '_server')
2256 NetDumpFile
:= e_CreateResource(LogDirs
, NETDUMP_FILENAME
+ '_client');
2259 procedure g_Net_DumpSendBuffer();
2261 writeInt(NetDumpFile
, gTime
);
2262 writeInt(NetDumpFile
, LongWord(NetOut
.CurSize
));
2263 writeInt(NetDumpFile
, Byte(1));
2264 NetDumpFile
.WriteBuffer(NetOut
.Data
^, NetOut
.CurSize
);
2267 procedure g_Net_DumpRecvBuffer(Buf
: penet_uint8
; Len
: LongWord);
2269 if (Buf
= nil) or (Len
= 0) then Exit
;
2270 writeInt(NetDumpFile
, gTime
);
2271 writeInt(NetDumpFile
, Len
);
2272 writeInt(NetDumpFile
, Byte(0));
2273 NetDumpFile
.WriteBuffer(Buf
^, Len
);
2276 procedure g_Net_DumpEnd();
2282 function g_Net_ForwardPorts(ForwardPongPort
: Boolean = True): Boolean;
2283 {$IFDEF USE_MINIUPNPC}
2288 LanAddr
: array [0..255] of Char;
2289 StrPort
: AnsiString;
2294 if NetHost
= nil then
2297 if NetPortForwarded
= NetHost
.address
.port
then
2303 NetPongForwarded
:= False;
2304 NetPortForwarded
:= 0;
2306 DevList
:= upnpDiscover(1000, nil, nil, 0, 0, 2, Addr(Err
));
2307 if DevList
= nil then
2309 conwritefln('port forwarding failed: upnpDiscover() failed: %d', [Err
]);
2313 I
:= UPNP_GetValidIGD(DevList
, @Urls
, @Data
, Addr(LanAddr
[0]), 256);
2317 conwriteln('port forwarding failed: could not find an IGD device on this LAN');
2318 FreeUPNPDevList(DevList
);
2319 FreeUPNPUrls(@Urls
);
2323 StrPort
:= IntToStr(NetHost
.address
.port
);
2324 I
:= UPNP_AddPortMapping(
2325 Urls
.controlURL
, Addr(data
.first
.servicetype
[1]),
2326 PChar(StrPort
), PChar(StrPort
), Addr(LanAddr
[0]), PChar('D2DF'),
2327 PChar('UDP'), nil, PChar('0')
2332 conwritefln('forwarding port %d failed: error %d', [NetHost
.address
.port
, I
]);
2333 FreeUPNPDevList(DevList
);
2334 FreeUPNPUrls(@Urls
);
2338 if ForwardPongPort
then
2340 StrPort
:= IntToStr(NET_PING_PORT
);
2341 I
:= UPNP_AddPortMapping(
2342 Urls
.controlURL
, Addr(data
.first
.servicetype
[1]),
2343 PChar(StrPort
), PChar(StrPort
), Addr(LanAddr
[0]), PChar('D2DF'),
2344 PChar('UDP'), nil, PChar('0')
2349 conwritefln('forwarding port %d failed: error %d', [NET_PING_PORT
, I
]);
2350 NetPongForwarded
:= False;
2354 conwritefln('forwarded port %d successfully', [NET_PING_PORT
]);
2355 NetPongForwarded
:= True;
2359 conwritefln('forwarded port %d successfully', [NetHost
.address
.port
]);
2360 NetIGDControl
:= AnsiString(Urls
.controlURL
);
2361 NetIGDService
:= data
.first
.servicetype
;
2362 NetPortForwarded
:= NetHost
.address
.port
;
2364 FreeUPNPDevList(DevList
);
2365 FreeUPNPUrls(@Urls
);
2374 procedure g_Net_UnforwardPorts();
2375 {$IFDEF USE_MINIUPNPC}
2378 StrPort
: AnsiString;
2380 if NetPortForwarded
= 0 then Exit
;
2382 conwriteln('unforwarding ports...');
2384 StrPort
:= IntToStr(NetPortForwarded
);
2385 I
:= UPNP_DeletePortMapping(
2386 PChar(NetIGDControl
), Addr(NetIGDService
[1]),
2387 PChar(StrPort
), PChar('UDP'), nil
2389 conwritefln(' port %d: %d', [NetPortForwarded
, I
]);
2391 if NetPongForwarded
then
2393 NetPongForwarded
:= False;
2394 StrPort
:= IntToStr(NET_PING_PORT
);
2395 I
:= UPNP_DeletePortMapping(
2396 PChar(NetIGDControl
), Addr(NetIGDService
[1]),
2397 PChar(StrPort
), PChar('UDP'), nil
2399 conwritefln(' port %d: %d', [NET_PING_PORT
, I
]);
2402 NetPortForwarded
:= 0;
2409 procedure NetServerCVars(P
: SSArray
);
2414 cmd
:= LowerCase(P
[0]);
2418 if (Length(P
) > 1) and (Length(P
[1]) > 0) then
2420 NetServerName
:= P
[1];
2421 if Length(NetServerName
) > 64 then
2422 SetLength(NetServerName
, 64);
2423 g_Net_Slist_ServerRenamed();
2425 g_Console_Add(cmd
+ ' "' + NetServerName
+ '"');
2429 if (Length(P
) > 1) and (Length(P
[1]) > 0) then
2431 NetPassword
:= P
[1];
2432 if Length(NetPassword
) > 24 then
2433 SetLength(NetPassword
, 24);
2434 g_Net_Slist_ServerRenamed();
2436 g_Console_Add(cmd
+ ' "' + AnsiLowerCase(NetPassword
) + '"');
2440 if (Length(P
) > 1) then
2442 NetMaxClients
:= nclamp(StrToIntDef(P
[1], NetMaxClients
), 1, NET_MAXCLIENTS
);
2443 if g_Game_IsServer
and g_Game_IsNet
then
2446 for a
:= 0 to High(NetClients
) do
2448 if NetClients
[a
].Used
then
2451 if b
> NetMaxClients
then
2453 s
:= g_Player_Get(NetClients
[a
].Player
).Name
;
2454 enet_peer_disconnect(NetClients
[a
].Peer
, NET_DISC_FULL
);
2455 g_Console_Add(Format(_lc
[I_PLAYER_KICK
], [s
]));
2456 MH_SEND_GameEvent(NET_EV_PLAYER_KICK
, 0, s
);
2460 g_Net_Slist_ServerRenamed();
2463 g_Console_Add(cmd
+ ' ' + IntToStr(NetMaxClients
));
2467 if (Length(P
) > 1) then
2469 NetUseMaster
:= StrToIntDef(P
[1], Byte(NetUseMaster
)) <> 0;
2470 if NetUseMaster
then g_Net_Slist_Public() else g_Net_Slist_Private();
2472 g_Console_Add(cmd
+ ' ' + IntToStr(Byte(NetUseMaster
)));
2476 if (Length(P
) > 1) then
2478 if not g_Game_IsNet
then
2479 NetPort
:= nclamp(StrToIntDef(P
[1], NetPort
), 0, $FFFF)
2481 g_Console_Add(_lc
[I_MSG_NOT_NETGAME
]);
2483 g_Console_Add(cmd
+ ' ' + IntToStr(Ord(NetUseMaster
)));
2489 conRegVar('cl_downloadtimeout', @g_Net_DownloadTimeout
, 0.0, 1000000.0, '', 'timeout in seconds, 0 to disable it');
2490 conRegVar('cl_predictself', @NetPredictSelf
, '', 'predict local player');
2491 conRegVar('cl_forceplayerupdate', @NetForcePlayerUpdate
, '', 'update net players on NET_MSG_PLRPOS');
2492 conRegVar('cl_interp', @NetInterpLevel
, '', 'net player interpolation steps');
2493 conRegVar('cl_last_ip', @NetClientIP
, '', 'address of the last you have connected to');
2494 conRegVar('cl_last_port', @NetClientPort
, '', 'port of the last server you have connected to');
2495 conRegVar('cl_deafen', @NetDeafLevel
, '', 'filter server messages (0-3)');
2497 conRegVar('sv_forwardports', @NetForwardPorts
, '', 'forward server port using miniupnpc (requires server restart)');
2498 conRegVar('sv_rcon', @NetAllowRCON
, '', 'enable remote console');
2499 conRegVar('sv_rcon_password', @NetRCONPassword
, '', 'remote console password');
2500 conRegVar('sv_update_interval', @NetUpdateRate
, '', 'unreliable update interval');
2501 conRegVar('sv_reliable_interval', @NetRelupdRate
, '', 'reliable update interval');
2502 conRegVar('sv_master_interval', @NetMasterRate
, '', 'master server update interval');
2504 conRegVar('sv_autoban_threshold', @NetAutoBanLimit
, '', 'max crimes before autoban (0 = no autoban)');
2505 conRegVar('sv_autoban_permanent', @NetAutoBanPerm
, '', 'whether autobans are permanent');
2506 conRegVar('sv_autoban_warn', @NetAutoBanWarn
, '', 'send warnings to the client when he triggers penalties');
2508 conRegVar('net_master_list', @NetMasterList
, '', 'list of master servers');
2510 SetLength(NetClients
, 0);
2511 g_Net_DownloadTimeout
:= 60;
2512 NetIn
.Alloc(NET_BUFSIZE
);
2513 NetOut
.Alloc(NET_BUFSIZE
);
2514 NetBuf
[NET_UNRELIABLE
].Alloc(NET_BUFSIZE
*2);
2515 NetBuf
[NET_RELIABLE
].Alloc(NET_BUFSIZE
*2);
2516 trans_omsg
.Alloc(NET_BUFSIZE
);
2520 NetBuf
[NET_UNRELIABLE
].Free();
2521 NetBuf
[NET_RELIABLE
].Free();