diff --git a/src/game/g_net.pas b/src/game/g_net.pas
index 8f8488f904fad54e4e014f62db6a1afd15de329c..edd6024a49af09237130e98d105a0d3d0948efb9 100644 (file)
--- a/src/game/g_net.pas
+++ b/src/game/g_net.pas
interface
uses
- e_log, e_msg, ENet, Classes, md5, MAPDEF{$IFDEF USE_MINIUPNPC}, miniupnpc;{$ELSE};{$ENDIF}
+ e_log, e_msg, utils, ENet, Classes, md5, MAPDEF{$IFDEF USE_MINIUPNPC}, miniupnpc;{$ELSE};{$ENDIF}
const
- NET_PROTOCOL_VER = 182;
+ NET_PROTOCOL_VER = 188;
NET_MAXCLIENTS = 24;
NET_CHANS = 12;
BANLIST_FILENAME = 'banlist.txt';
NETDUMP_FILENAME = 'netdump';
- {$IFDEF FREEBSD}
- NilThreadId = nil;
- {$ELSE}
- NilThreadId = 0;
- {$ENDIF}
-
type
+ TNetMapResourceInfo = record
+ wadName: AnsiString; // wad file name, without a path
+ size: Integer; // wad file size (-1: size and hash are not known)
+ hash: TMD5Digest; // wad hash
+ end;
+
+ TNetMapResourceInfoArray = array of TNetMapResourceInfo;
+
TNetFileTransfer = record
diskName: string;
hash: TMD5Digest;
Peer: pENetPeer;
Player: Word;
RequestedFullUpdate: Boolean;
+ WaitForFirstSpawn: Boolean; // set to `true` in server, used to spawn a player on first full state request
RCONAuth: Boolean;
Voted: Boolean;
+ Crimes: Integer;
+ AuthTime: LongWord;
+ MsgTime: LongWord;
Transfer: TNetFileTransfer; // only one transfer may be active
NetOut: array [0..1] of TMsg;
end;
NetPongSock: ENetSocket = ENET_SOCKET_NULL;
NetUseMaster: Boolean = True;
- NetSlistAddr: ENetAddress;
- NetSlistIP: string = 'mpms.doom2d.org';
- NetSlistPort: Word = 25665;
+ NetMasterList: string = 'mpms.doom2d.org:25665, deadsoftware.ru:25665';
NetClientIP: string = '127.0.0.1';
NetClientPort: Word = 25666;
NetMaxClients: Byte = 255;
NetBannedHosts: array of TBanRecord;
+ NetAutoBanLimit: Integer = 5;
+ NetAutoBanPerm: Boolean = True;
+ NetAutoBanWarn: Boolean = False;
+
+ NetAuthTimeout: Integer = 15 * 1000;
+ NetPacketTimeout: Integer = 30 * 1000;
+
NetState: Integer = NET_STATE_NONE;
NetMyID: Integer = -1;
NetGotEverything: Boolean = False;
NetGotKeys: Boolean = False;
+ NetDeafLevel: Integer = 0;
+
{$IFDEF USE_MINIUPNPC}
NetPortForwarded: Word = 0;
NetPongForwarded: Boolean = False;
procedure g_Net_UnbanNonPermHosts();
procedure g_Net_SaveBanList();
+procedure g_Net_Penalize(C: pTNetClient; Reason: string);
+
procedure g_Net_DumpStart();
procedure g_Net_DumpSendBuffer();
procedure g_Net_DumpRecvBuffer(Buf: penet_uint8; Len: LongWord);
function g_Net_UserRequestExit: Boolean;
-function g_Net_SendMapRequest (): Boolean;
-function g_Net_Wait_MapInfo (var tf: TNetFileTransfer; resList: TStringList): Integer;
+function g_Net_Wait_MapInfo (var tf: TNetFileTransfer; var resList: TNetMapResourceInfoArray): Integer;
function g_Net_RequestResFileInfo (resIndex: LongInt; out tf: TNetFileTransfer): Integer;
function g_Net_AbortResTransfer (var tf: TNetFileTransfer): Boolean;
function g_Net_ReceiveResourceFile (resIndex: LongInt; var tf: TNetFileTransfer; strm: TStream): Integer;
+function g_Net_IsNetworkAvailable (): Boolean;
+procedure g_Net_InitLowLevel ();
+procedure g_Net_DeinitLowLevel ();
+
+procedure NetServerCVars(P: SSArray);
+
implementation
+// *enet_host_service()*
+// fuck! https://www.mail-archive.com/enet-discuss@cubik.org/msg00852.html
+// tl;dr: on shitdows, we can get -1 sometimes, and it is *NOT* a failure.
+// thank you, enet. let's ignore failures altogether then.
+
uses
SysUtils,
- e_input, g_nethandler, g_netmsg, g_netmaster, g_player, g_window, g_console,
- g_main, g_game, g_language, g_weapons, utils, ctypes,
- g_map;
+ e_input, e_res,
+ g_nethandler, g_netmsg, g_netmaster, g_player, g_window, g_console,
+ g_main, g_game, g_language, g_weapons, ctypes, g_system, g_map;
const
FILE_CHUNK_SIZE = 8192;
var
+ enet_init_success: Boolean = false;
g_Net_DownloadTimeout: Single;
trans_omsg: TMsg;
-{ /// SERVICE FUNCTIONS /// }
+function g_Net_IsNetworkAvailable (): Boolean;
+begin
+ result := enet_init_success;
+end;
+
+procedure g_Net_InitLowLevel ();
+ var v: ENetVersion;
+begin
+ v := enet_linked_version();
+ e_LogWritefln('ENet Version: %s.%s.%s', [ENET_VERSION_GET_MAJOR(v), ENET_VERSION_GET_MINOR(v), ENET_VERSION_GET_PATCH(v)]);
+ if enet_init_success then raise Exception.Create('wuta?!');
+ enet_init_success := (enet_initialize() = 0);
+end;
+
+procedure g_Net_DeinitLowLevel ();
+begin
+ if enet_init_success then
+ begin
+ enet_deinitialize();
+ enet_init_success := false;
+ end;
+end;
+
+
+//**************************************************************************
+//
+// SERVICE FUNCTIONS
+//
+//**************************************************************************
+
procedure clearNetClientTransfers (var nc: TNetClient);
begin
nc.Transfer.stream.Free;
clearNetClientTransfers(nc);
end;
+
procedure clearNetClients (clearArray: Boolean);
var
f: Integer;
end;
-function g_Net_FindSlot(): Integer;
+function g_Net_UserRequestExit (): Boolean;
+begin
+ Result := {e_KeyPressed(IK_SPACE) or}
+ e_KeyPressed(IK_ESCAPE) or
+ e_KeyPressed(VK_ESCAPE) or
+ e_KeyPressed(JOY0_JUMP) or
+ e_KeyPressed(JOY1_JUMP) or
+ e_KeyPressed(JOY2_JUMP) or
+ e_KeyPressed(JOY3_JUMP)
+end;
+
+//**************************************************************************
+//
+// file transfer declaraions and host packet processor
+//
+//**************************************************************************
+
+const
+ // server packet type
+ NTF_SERVER_DONE = 10; // done with this file
+ NTF_SERVER_FILE_INFO = 11; // sent after client request
+ NTF_SERVER_CHUNK = 12; // next chunk; chunk number follows
+ NTF_SERVER_ABORT = 13; // server abort
+ NTF_SERVER_MAP_INFO = 14;
+
+ // client packet type
+ NTF_CLIENT_MAP_REQUEST = 100; // map file request; also, returns list of additional wads to download
+ NTF_CLIENT_FILE_REQUEST = 101; // resource file request (by index)
+ NTF_CLIENT_ABORT = 102; // do not send requested file, or abort current transfer
+ NTF_CLIENT_START = 103; // start transfer; client may resume download by sending non-zero starting chunk
+ NTF_CLIENT_ACK = 104; // chunk ack; chunk number follows
+
+
+// disconnect client due to some file transfer error
+procedure killClientByFT (var nc: TNetClient);
+begin
+ e_LogWritefln('disconnected client #%d due to file transfer error', [nc.ID], TMsgType.Warning);
+ enet_peer_disconnect(nc.Peer, NET_DISC_FILE_TIMEOUT);
+ clearNetClientTransfers(nc);
+ g_Net_Slist_ServerPlayerLeaves();
+end;
+
+
+// send file transfer message from server to client
+function ftransSendServerMsg (var nc: TNetClient; var m: TMsg): Boolean;
var
- I: Integer;
- F: Boolean;
- N, C: Integer;
+ pkt: PENetPacket;
begin
- N := -1;
- F := False;
- C := 0;
- for I := Low(NetClients) to High(NetClients) do
- begin
- if NetClients[I].Used then
- Inc(C)
- else
- if not F then
- begin
- F := True;
- N := I;
- end;
- end;
- if C >= NetMaxClients then
+ result := false;
+ if (m.CurSize < 1) then exit;
+ pkt := enet_packet_create(m.Data, m.CurSize, ENET_PACKET_FLAG_RELIABLE);
+ if not Assigned(pkt) then begin killClientByFT(nc); exit; end;
+ if (enet_peer_send(nc.Peer, NET_CHAN_DOWNLOAD_EX, pkt) <> 0) then begin killClientByFT(nc); exit; end;
+ result := true;
+end;
+
+
+// send file transfer message from client to server
+function ftransSendClientMsg (var m: TMsg): Boolean;
+var
+ pkt: PENetPacket;
+begin
+ result := false;
+ if (m.CurSize < 1) then exit;
+ pkt := enet_packet_create(m.Data, m.CurSize, ENET_PACKET_FLAG_RELIABLE);
+ if not Assigned(pkt) then exit;
+ if (enet_peer_send(NetPeer, NET_CHAN_DOWNLOAD_EX, pkt) <> 0) then exit;
+ result := true;
+end;
+
+
+// file chunk sender
+procedure ProcessChunkSend (var nc: TNetClient);
+var
+ tf: ^TNetFileTransfer;
+ ct: Int64;
+ chunks: Integer;
+ rd: Integer;
+begin
+ tf := @nc.Transfer;
+ if (tf.stream = nil) then exit;
+ ct := GetTimerMS();
+ // arbitrary timeout number
+ if (ct-tf.lastAckTime >= 5000) then
begin
- Result := -1;
- Exit;
+ killClientByFT(nc);
+ exit;
end;
+ // check if we need to send something
+ if (not tf.inProgress) then exit; // waiting for the initial ack
+ // ok, we're sending chunks
+ if (tf.lastAckChunk <> tf.lastSentChunk) then exit;
+ Inc(tf.lastSentChunk);
+ // do it one chunk at a time; client ack will advance our chunk counter
+ chunks := (tf.size+tf.chunkSize-1) div tf.chunkSize;
- if not F then
+ if (tf.lastSentChunk > chunks) then
begin
- if (Length(NetClients) >= NetMaxClients) then
- N := -1
- else
- begin
- SetLength(NetClients, Length(NetClients) + 1);
- N := High(NetClients);
- end;
+ killClientByFT(nc);
+ exit;
end;
- if N >= 0 then
+ trans_omsg.Clear();
+ if (tf.lastSentChunk = chunks) then
begin
- NetClients[N].Used := True;
- NetClients[N].ID := N;
- NetClients[N].RequestedFullUpdate := False;
- NetClients[N].RCONAuth := False;
- NetClients[N].Voted := False;
- NetClients[N].Player := 0;
- clearNetClientTransfers(NetClients[N]); // just in case
+ // we're done with this file
+ e_LogWritefln('download: client #%d, DONE sending chunks #%d/#%d', [nc.ID, tf.lastSentChunk, chunks]);
+ trans_omsg.Write(Byte(NTF_SERVER_DONE));
+ clearNetClientTransfers(nc);
+ end
+ else
+ begin
+ // packet type
+ trans_omsg.Write(Byte(NTF_SERVER_CHUNK));
+ trans_omsg.Write(LongInt(tf.lastSentChunk));
+ // read chunk
+ rd := tf.size-(tf.lastSentChunk*tf.chunkSize);
+ if (rd > tf.chunkSize) then rd := tf.chunkSize;
+ trans_omsg.Write(LongInt(rd));
+ //e_LogWritefln('download: client #%d, sending chunk #%d/#%d (%d bytes)', [nc.ID, tf.lastSentChunk, chunks, rd]);
+ //FIXME: check for errors here
+ try
+ tf.stream.Seek(tf.lastSentChunk*tf.chunkSize, soFromBeginning);
+ tf.stream.ReadBuffer(tf.diskBuffer^, rd);
+ trans_omsg.WriteData(tf.diskBuffer, rd);
+ except // sorry
+ killClientByFT(nc);
+ exit;
+ end;
end;
-
- Result := N;
+ // send packet
+ ftransSendServerMsg(nc, trans_omsg);
end;
-function g_Net_Init(): Boolean;
+
+// server file transfer packet processor
+// received packet is in `NetEvent`
+procedure ProcessDownloadExPacket ();
var
- F: TextFile;
- IPstr: string;
- IP: LongWord;
+ f: Integer;
+ nc: ^TNetClient;
+ nid: Integer = -1;
+ msg: TMsg;
+ cmd: Byte;
+ tf: ^TNetFileTransfer;
+ fname: string;
+ chunk: Integer;
+ ridx: Integer;
+ dfn: AnsiString;
+ md5: TMD5Digest;
+ //st: TStream;
+ size: LongInt;
+ fi: TDiskFileInfo;
begin
- NetIn.Clear();
- NetOut.Clear();
- NetBuf[NET_UNRELIABLE].Clear();
- NetBuf[NET_RELIABLE].Clear();
- //SetLength(NetClients, 0);
- clearNetClients(true); // clear array
- NetPeer := nil;
- NetHost := nil;
- NetMyID := -1;
- NetPlrUID1 := -1;
- NetPlrUID2 := -1;
- NetAddr.port := 25666;
- SetLength(NetBannedHosts, 0);
- if FileExists(DataDir + BANLIST_FILENAME) then
+ // find client index by peer
+ for f := Low(NetClients) to High(NetClients) do
begin
- Assign(F, DataDir + BANLIST_FILENAME);
- Reset(F);
- while not EOF(F) do
+ if (not NetClients[f].Used) then continue;
+ if (NetClients[f].Peer = NetEvent.peer) then
begin
- Readln(F, IPstr);
- if StrToIp(IPstr, IP) then
- g_Net_BanHost(IP);
+ nid := f;
+ break;
end;
- CloseFile(F);
- g_Net_SaveBanList();
end;
+ //e_LogWritefln('RECEIVE: dlpacket; client=%d (datalen=%u)', [nid, NetEvent.packet^.dataLength]);
- Result := (enet_initialize() = 0);
-end;
+ if (nid < 0) then exit; // wtf?!
+ nc := @NetClients[nid];
-procedure g_Net_Flush();
-var
- T: Integer;
- P: pENetPacket;
- F, Chan: enet_uint32;
- I: Integer;
-begin
- F := 0;
- Chan := NET_CHAN_GAME;
+ if (NetEvent.packet^.dataLength = 0) then
+ begin
+ killClientByFT(nc^);
+ exit;
+ end;
- if NetMode = NET_SERVER then
- for T := NET_UNRELIABLE to NET_RELIABLE do
- begin
- if NetBuf[T].CurSize > 0 then
- begin
- P := enet_packet_create(NetBuf[T].Data, NetBuf[T].CurSize, F);
- if not Assigned(P) then continue;
- enet_host_broadcast(NetHost, Chan, P);
- NetBuf[T].Clear();
- end;
+ // don't time out clients during a file transfer
+ if (NetAuthTimeout > 0) then
+ nc^.AuthTime := gTime + NetAuthTimeout;
+ if (NetPacketTimeout > 0) then
+ nc^.MsgTime := gTime + NetPacketTimeout;
- for I := Low(NetClients) to High(NetClients) do
- begin
- if not NetClients[I].Used then continue;
- if NetClients[I].NetOut[T].CurSize <= 0 then continue;
- P := enet_packet_create(NetClients[I].NetOut[T].Data, NetClients[I].NetOut[T].CurSize, F);
- if not Assigned(P) then continue;
- enet_peer_send(NetClients[I].Peer, Chan, P);
- NetClients[I].NetOut[T].Clear();
- end;
+ tf := @NetClients[nid].Transfer;
+ tf.lastAckTime := GetTimerMS();
- // next and last iteration is always RELIABLE
- F := LongWord(ENET_PACKET_FLAG_RELIABLE);
- Chan := NET_CHAN_IMPORTANT;
- end
- else if NetMode = NET_CLIENT then
+ cmd := Byte(NetEvent.packet^.data^);
+ //e_LogWritefln('RECEIVE: nid=%d; cmd=%u', [nid, cmd]);
+ case cmd of
+ NTF_CLIENT_FILE_REQUEST: // file request
+ begin
+ if (tf.stream <> nil) then
+ begin
+ killClientByFT(nc^);
+ exit;
+ end;
+ if (NetEvent.packet^.dataLength < 2) then
+ begin
+ killClientByFT(nc^);
+ exit;
+ end;
+ // new transfer request; build packet
+ if not msg.Init(NetEvent.packet^.data+1, NetEvent.packet^.dataLength-1, True) then
+ begin
+ killClientByFT(nc^);
+ exit;
+ end;
+ // get resource index
+ ridx := msg.ReadLongInt();
+ if (ridx < -1) or (ridx >= length(gExternalResources)) then
+ begin
+ e_LogWritefln('Invalid resource index %d', [ridx], TMsgType.Warning);
+ killClientByFT(nc^);
+ exit;
+ end;
+ if (ridx < 0) then fname := gGameSettings.WAD else fname := gExternalResources[ridx].diskName;
+ if (length(fname) = 0) then
+ begin
+ e_WriteLog('Invalid filename: '+fname, TMsgType.Warning);
+ killClientByFT(nc^);
+ exit;
+ end;
+ tf.diskName := findDiskWad(fname);
+ if (length(tf.diskName) = 0) then
+ begin
+ e_LogWritefln('NETWORK: file "%s" not found!', [fname], TMsgType.Fatal);
+ killClientByFT(nc^);
+ exit;
+ end;
+ // calculate hash
+ //tf.hash := MD5File(tf.diskName);
+ if (ridx < 0) then tf.hash := gWADHash else tf.hash := gExternalResources[ridx].hash;
+ // create file stream
+ tf.diskName := findDiskWad(fname);
+ try
+ tf.stream := openDiskFileRO(tf.diskName);
+ except
+ tf.stream := nil;
+ end;
+ if (tf.stream = nil) then
+ begin
+ e_WriteLog(Format('NETWORK: file "%s" not found!', [fname]), TMsgType.Fatal);
+ killClientByFT(nc^);
+ exit;
+ end;
+ e_LogWritefln('client #%d requested resource #%d (file is `%s` : `%s`)', [nc.ID, ridx, fname, tf.diskName]);
+ tf.size := tf.stream.size;
+ tf.chunkSize := FILE_CHUNK_SIZE; // arbitrary
+ tf.lastSentChunk := -1;
+ tf.lastAckChunk := -1;
+ tf.lastAckTime := GetTimerMS();
+ tf.inProgress := False; // waiting for the first ACK or for the cancel
+ GetMem(tf.diskBuffer, tf.chunkSize);
+ // sent file info message
+ trans_omsg.Clear();
+ trans_omsg.Write(Byte(NTF_SERVER_FILE_INFO));
+ trans_omsg.Write(tf.hash);
+ trans_omsg.Write(tf.size);
+ trans_omsg.Write(tf.chunkSize);
+ trans_omsg.Write(ExtractFileName(fname));
+ if not ftransSendServerMsg(nc^, trans_omsg) then exit;
+ end;
+ NTF_CLIENT_ABORT: // do not send requested file, or abort current transfer
+ begin
+ e_LogWritefln('client #%d aborted file transfer', [nc.ID]);
+ clearNetClientTransfers(nc^);
+ end;
+ NTF_CLIENT_START: // start transfer; client may resume download by sending non-zero starting chunk
+ begin
+ if not Assigned(tf.stream) then
+ begin
+ killClientByFT(nc^);
+ exit;
+ end;
+ if (tf.lastSentChunk <> -1) or (tf.lastAckChunk <> -1) or (tf.inProgress) then
+ begin
+ // double ack, get lost
+ killClientByFT(nc^);
+ exit;
+ end;
+ if (NetEvent.packet^.dataLength < 2) then
+ begin
+ killClientByFT(nc^);
+ exit;
+ end;
+ // build packet
+ if not msg.Init(NetEvent.packet^.data+1, NetEvent.packet^.dataLength-1, True) then
+ begin
+ killClientByFT(nc^);
+ exit;
+ end;
+ chunk := msg.ReadLongInt();
+ if (chunk < 0) or (chunk > (tf.size+tf.chunkSize-1) div tf.chunkSize) then
+ begin
+ killClientByFT(nc^);
+ exit;
+ end;
+ e_LogWritefln('client #%d started file transfer from chunk %d', [nc.ID, chunk]);
+ // start sending chunks
+ tf.inProgress := True;
+ tf.lastSentChunk := chunk-1;
+ tf.lastAckChunk := chunk-1;
+ ProcessChunkSend(nc^);
+ end;
+ NTF_CLIENT_ACK: // chunk ack; chunk number follows
+ begin
+ if not Assigned(tf.stream) then
+ begin
+ killClientByFT(nc^);
+ exit;
+ end;
+ if (tf.lastSentChunk < 0) or (not tf.inProgress) then
+ begin
+ // double ack, get lost
+ killClientByFT(nc^);
+ exit;
+ end;
+ if (NetEvent.packet^.dataLength < 2) then
+ begin
+ killClientByFT(nc^);
+ exit;
+ end;
+ // build packet
+ if not msg.Init(NetEvent.packet^.data+1, NetEvent.packet^.dataLength-1, True) then
+ begin
+ killClientByFT(nc^);
+ exit;
+ end;
+ chunk := msg.ReadLongInt();
+ if (chunk < 0) or (chunk > (tf.size+tf.chunkSize-1) div tf.chunkSize) then
+ begin
+ killClientByFT(nc^);
+ exit;
+ end;
+ // do it this way, so client may seek, or request retransfers for some reason
+ tf.lastAckChunk := chunk;
+ tf.lastSentChunk := chunk;
+ //e_LogWritefln('client #%d acked file transfer chunk %d', [nc.ID, chunk]);
+ ProcessChunkSend(nc^);
+ end;
+ NTF_CLIENT_MAP_REQUEST:
+ begin
+ e_LogWritefln('client #%d requested map info', [nc.ID]);
+ trans_omsg.Clear();
+ dfn := findDiskWad(gGameSettings.WAD);
+ if (dfn = '') then dfn := '!wad_not_found!.wad'; //FIXME
+ //md5 := MD5File(dfn);
+ md5 := gWADHash;
+ if (not GetDiskFileInfo(dfn, fi)) then
+ begin
+ e_LogWritefln('client #%d requested map info, but i cannot get file info', [nc.ID]);
+ killClientByFT(nc^);
+ exit;
+ end;
+ size := fi.size;
+ {
+ st := openDiskFileRO(dfn);
+ if not assigned(st) then exit; //wtf?!
+ size := st.size;
+ st.Free;
+ }
+ // packet type
+ trans_omsg.Write(Byte(NTF_SERVER_MAP_INFO));
+ // map wad name
+ trans_omsg.Write(ExtractFileName(gGameSettings.WAD));
+ // map wad md5
+ trans_omsg.Write(md5);
+ // map wad size
+ trans_omsg.Write(size);
+ // number of external resources for map
+ trans_omsg.Write(LongInt(length(gExternalResources)));
+ // external resource names
+ for f := 0 to High(gExternalResources) do
+ begin
+ // old style packet
+ //trans_omsg.Write(ExtractFileName(gExternalResources[f])); // GameDir+'/wads/'+ResList.Strings[i]
+ // new style packet
+ trans_omsg.Write('!');
+ trans_omsg.Write(LongInt(gExternalResources[f].size));
+ trans_omsg.Write(gExternalResources[f].hash);
+ trans_omsg.Write(ExtractFileName(gExternalResources[f].diskName));
+ end;
+ // send packet
+ if not ftransSendServerMsg(nc^, trans_omsg) then exit;
+ end;
+ else
+ begin
+ killClientByFT(nc^);
+ exit;
+ end;
+ end;
+end;
+
+
+//**************************************************************************
+//
+// file transfer crap (both client and server)
+//
+//**************************************************************************
+
+function getNewTimeoutEnd (): Int64;
+begin
+ result := GetTimerMS();
+ if (g_Net_DownloadTimeout <= 0) then
+ begin
+ result := result+1000*60*3; // 3 minutes
+ end
+ else
+ begin
+ result := result+trunc(g_Net_DownloadTimeout*1000);
+ end;
+end;
+
+
+// send map request to server, and wait for "map info" server reply
+//
+// returns `false` on error or user abort
+// fills:
+// diskName: map wad file name (without a path)
+// hash: map wad hash
+// size: map wad size
+// chunkSize: set too
+// resList: list of resource wads
+// returns:
+// <0 on error
+// 0 on success
+// 1 on user abort
+// 2 on server abort
+// for maps, first `tf.diskName` name will be map wad name, and `tf.hash`/`tf.size` will contain map info
+function g_Net_Wait_MapInfo (var tf: TNetFileTransfer; var resList: TNetMapResourceInfoArray): Integer;
+var
+ ev: ENetEvent;
+ rMsgId: Byte;
+ Ptr: Pointer;
+ msg: TMsg;
+ freePacket: Boolean = false;
+ ct, ett: Int64;
+ status: cint;
+ s: AnsiString;
+ rc, f: LongInt;
+ ri: ^TNetMapResourceInfo;
+begin
+ SetLength(resList, 0);
+
+ // send request
+ trans_omsg.Clear();
+ trans_omsg.Write(Byte(NTF_CLIENT_MAP_REQUEST));
+ if not ftransSendClientMsg(trans_omsg) then begin result := -1; exit; end;
+
+ FillChar(ev, SizeOf(ev), 0);
+ Result := -1;
+ try
+ ett := getNewTimeoutEnd();
+ repeat
+ status := enet_host_service(NetHost, @ev, 300);
+ {
+ if (status < 0) then
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' network error', True);
+ Result := -1;
+ exit;
+ end;
+ }
+ if (status <= 0) then
+ begin
+ // check for timeout
+ ct := GetTimerMS();
+ if (ct >= ett) then
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' timeout reached', True);
+ Result := -1;
+ exit;
+ end;
+ end
+ else
+ begin
+ // some event
+ case ev.kind of
+ ENET_EVENT_TYPE_RECEIVE:
+ begin
+ freePacket := true;
+ if (ev.channelID <> NET_CHAN_DOWNLOAD_EX) then
+ begin
+ //e_LogWritefln('g_Net_Wait_MapInfo: skip message from non-transfer channel', []);
+ freePacket := false;
+ g_Net_Client_HandlePacket(ev.packet, g_Net_ClientLightMsgHandler);
+ if (g_Res_received_map_start < 0) then begin result := -666; exit; end;
+ end
+ else
+ begin
+ ett := getNewTimeoutEnd();
+ if (ev.packet.dataLength < 1) then
+ begin
+ e_LogWritefln('g_Net_Wait_MapInfo: invalid server packet (no data)', []);
+ Result := -1;
+ exit;
+ end;
+ Ptr := ev.packet^.data;
+ rMsgId := Byte(Ptr^);
+ e_LogWritefln('g_Net_Wait_MapInfo: got message %u from server (dataLength=%u)', [rMsgId, ev.packet^.dataLength]);
+ if (rMsgId = NTF_SERVER_FILE_INFO) then
+ begin
+ e_LogWritefln('g_Net_Wait_MapInfo: waiting for map info reply, but got file info reply', []);
+ Result := -1;
+ exit;
+ end
+ else if (rMsgId = NTF_SERVER_ABORT) then
+ begin
+ e_LogWritefln('g_Net_Wait_MapInfo: server aborted transfer', []);
+ Result := 2;
+ exit;
+ end
+ else if (rMsgId = NTF_SERVER_MAP_INFO) then
+ begin
+ e_LogWritefln('g_Net_Wait_MapInfo: creating map info packet...', []);
+ if not msg.Init(ev.packet^.data+1, ev.packet^.dataLength-1, True) then exit;
+ e_LogWritefln('g_Net_Wait_MapInfo: parsing map info packet (rd=%d; max=%d)...', [msg.ReadCount, msg.MaxSize]);
+ SetLength(resList, 0); // just in case
+ // map wad name
+ tf.diskName := msg.ReadString();
+ e_LogWritefln('g_Net_Wait_MapInfo: map wad is `%s`', [tf.diskName]);
+ // map wad md5
+ tf.hash := msg.ReadMD5();
+ // map wad size
+ tf.size := msg.ReadLongInt();
+ e_LogWritefln('g_Net_Wait_MapInfo: map wad size is %d', [tf.size]);
+ // number of external resources for map
+ rc := msg.ReadLongInt();
+ if (rc < 0) or (rc > 1024) then
+ begin
+ e_LogWritefln('g_Net_Wait_Event: invalid number of map external resources (%d)', [rc]);
+ Result := -1;
+ exit;
+ end;
+ e_LogWritefln('g_Net_Wait_MapInfo: map external resource count is %d', [rc]);
+ SetLength(resList, rc);
+ // external resource names
+ for f := 0 to rc-1 do
+ begin
+ ri := @resList[f];
+ s := msg.ReadString();
+ if (length(s) = 0) then begin result := -1; exit; end;
+ if (s = '!') then
+ begin
+ // extended packet
+ ri.size := msg.ReadLongInt();
+ ri.hash := msg.ReadMD5();
+ ri.wadName := ExtractFileName(msg.ReadString());
+ if (length(ri.wadName) = 0) or (ri.size < 0) then begin result := -1; exit; end;
+ end
+ else
+ begin
+ // old-style packet, only name
+ ri.wadName := ExtractFileName(s);
+ if (length(ri.wadName) = 0) then begin result := -1; exit; end;
+ ri.size := -1; // unknown
+ end;
+ end;
+ e_LogWritefln('g_Net_Wait_MapInfo: got map info', []);
+ Result := 0; // success
+ exit;
+ end
+ else
+ begin
+ e_LogWritefln('g_Net_Wait_Event: invalid server packet type', []);
+ Result := -1;
+ exit;
+ end;
+ end;
+ end;
+ ENET_EVENT_TYPE_DISCONNECT:
+ begin
+ if (ev.data <= NET_DISC_MAX) then
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' ' + _lc[TStrings_Locale(Cardinal(I_NET_DISC_NONE) + ev.data)], True);
+ Result := -1;
+ exit;
+ end;
+ else
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' unknown ENet event ' + IntToStr(Ord(ev.kind)), True);
+ result := -1;
+ exit;
+ end;
+ end;
+ if (freePacket) then begin freePacket := false; enet_packet_destroy(ev.packet); end;
+ end;
+ ProcessLoading();
+ if g_Net_UserRequestExit() then
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' user abort', True);
+ Result := 1;
+ exit;
+ end;
+ until false;
+ finally
+ if (freePacket) then enet_packet_destroy(ev.packet);
+ end;
+end;
+
+
+// send file request to server, and wait for server reply
+//
+// returns `false` on error or user abort
+// fills:
+// diskName (actually, base name)
+// hash
+// size
+// chunkSize
+// returns:
+// <0 on error
+// 0 on success
+// 1 on user abort
+// 2 on server abort
+// for maps, first `tf.diskName` name will be map wad name, and `tf.hash`/`tf.size` will contain map info
+function g_Net_RequestResFileInfo (resIndex: LongInt; out tf: TNetFileTransfer): Integer;
+var
+ ev: ENetEvent;
+ rMsgId: Byte;
+ Ptr: Pointer;
+ msg: TMsg;
+ freePacket: Boolean = false;
+ ct, ett: Int64;
+ status: cint;
+begin
+ // send request
+ trans_omsg.Clear();
+ trans_omsg.Write(Byte(NTF_CLIENT_FILE_REQUEST));
+ trans_omsg.Write(resIndex);
+ if not ftransSendClientMsg(trans_omsg) then begin result := -1; exit; end;
+
+ FillChar(ev, SizeOf(ev), 0);
+ Result := -1;
+ try
+ ett := getNewTimeoutEnd();
+ repeat
+ status := enet_host_service(NetHost, @ev, 300);
+ {
+ if (status < 0) then
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' network error', True);
+ Result := -1;
+ exit;
+ end;
+ }
+ if (status <= 0) then
+ begin
+ // check for timeout
+ ct := GetTimerMS();
+ if (ct >= ett) then
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' timeout reached', True);
+ Result := -1;
+ exit;
+ end;
+ end
+ else
+ begin
+ // some event
+ case ev.kind of
+ ENET_EVENT_TYPE_RECEIVE:
+ begin
+ freePacket := true;
+ if (ev.channelID <> NET_CHAN_DOWNLOAD_EX) then
+ begin
+ //e_LogWriteln('g_Net_Wait_Event: skip message from non-transfer channel');
+ freePacket := false;
+ g_Net_Client_HandlePacket(ev.packet, g_Net_ClientLightMsgHandler);
+ if (g_Res_received_map_start < 0) then begin result := -666; exit; end;
+ end
+ else
+ begin
+ ett := getNewTimeoutEnd();
+ if (ev.packet.dataLength < 1) then
+ begin
+ e_LogWriteln('g_Net_Wait_Event: invalid server packet (no data)');
+ Result := -1;
+ exit;
+ end;
+ Ptr := ev.packet^.data;
+ rMsgId := Byte(Ptr^);
+ e_LogWritefln('received transfer packet with id %d (%u bytes)', [rMsgId, ev.packet^.dataLength]);
+ if (rMsgId = NTF_SERVER_FILE_INFO) then
+ begin
+ if not msg.Init(ev.packet^.data+1, ev.packet^.dataLength-1, True) then exit;
+ tf.hash := msg.ReadMD5();
+ tf.size := msg.ReadLongInt();
+ tf.chunkSize := msg.ReadLongInt();
+ tf.diskName := ExtractFileName(msg.readString());
+ if (tf.size < 0) or (tf.chunkSize <> FILE_CHUNK_SIZE) or (length(tf.diskName) = 0) then
+ begin
+ e_LogWritefln('g_Net_RequestResFileInfo: invalid file info packet', []);
+ Result := -1;
+ exit;
+ end;
+ e_LogWritefln('got file info for resource #%d: size=%d; name=%s', [resIndex, tf.size, tf.diskName]);
+ Result := 0; // success
+ exit;
+ end
+ else if (rMsgId = NTF_SERVER_ABORT) then
+ begin
+ e_LogWriteln('g_Net_RequestResFileInfo: server aborted transfer');
+ Result := 2;
+ exit;
+ end
+ else if (rMsgId = NTF_SERVER_MAP_INFO) then
+ begin
+ e_LogWriteln('g_Net_RequestResFileInfo: waiting for map info reply, but got file info reply');
+ Result := -1;
+ exit;
+ end
+ else
+ begin
+ e_LogWriteln('g_Net_RequestResFileInfo: invalid server packet type');
+ Result := -1;
+ exit;
+ end;
+ end;
+ end;
+ ENET_EVENT_TYPE_DISCONNECT:
+ begin
+ if (ev.data <= NET_DISC_MAX) then
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' ' + _lc[TStrings_Locale(Cardinal(I_NET_DISC_NONE) + ev.data)], True);
+ Result := -1;
+ exit;
+ end;
+ else
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' unknown ENet event ' + IntToStr(Ord(ev.kind)), True);
+ result := -1;
+ exit;
+ end;
+ end;
+ if (freePacket) then begin freePacket := false; enet_packet_destroy(ev.packet); end;
+ end;
+ ProcessLoading();
+ if g_Net_UserRequestExit() then
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' user abort', True);
+ Result := 1;
+ exit;
+ end;
+ until false;
+ finally
+ if (freePacket) then enet_packet_destroy(ev.packet);
+ end;
+end;
+
+
+// call this to cancel file transfer requested by `g_Net_RequestResFileInfo()`
+function g_Net_AbortResTransfer (var tf: TNetFileTransfer): Boolean;
+begin
+ result := false;
+ e_LogWritefln('aborting file transfer...', []);
+ // send request
+ trans_omsg.Clear();
+ trans_omsg.Write(Byte(NTF_CLIENT_ABORT));
+ result := ftransSendClientMsg(trans_omsg);
+ if result then enet_host_flush(NetHost);
+end;
+
+
+// call this to start file transfer requested by `g_Net_RequestResFileInfo()`
+//
+// returns `false` on error or user abort
+// fills:
+// hash
+// size
+// chunkSize
+// returns:
+// <0 on error
+// 0 on success
+// 1 on user abort
+// 2 on server abort
+// for maps, first `tf.diskName` name will be map wad name, and `tf.hash`/`tf.size` will contain map info
+function g_Net_ReceiveResourceFile (resIndex: LongInt; var tf: TNetFileTransfer; strm: TStream): Integer;
+var
+ ev: ENetEvent;
+ rMsgId: Byte;
+ Ptr: Pointer;
+ msg: TMsg;
+ freePacket: Boolean = false;
+ ct, ett: Int64;
+ status: cint;
+ nextChunk: Integer = 0;
+ chunkTotal: Integer;
+ chunk: Integer;
+ csize: Integer;
+ buf: PChar = nil;
+ resumed: Boolean;
+ //stx: Int64;
+begin
+ tf.resumed := false;
+ e_LogWritefln('file `%s`, size=%d (%d)', [tf.diskName, Integer(strm.size), tf.size], TMsgType.Notify);
+ // check if we should resume downloading
+ resumed := (strm.size > tf.chunkSize) and (strm.size < tf.size);
+ // send request
+ trans_omsg.Clear();
+ trans_omsg.Write(Byte(NTF_CLIENT_START));
+ if resumed then chunk := strm.size div tf.chunkSize else chunk := 0;
+ trans_omsg.Write(LongInt(chunk));
+ if not ftransSendClientMsg(trans_omsg) then begin result := -1; exit; end;
+
+ strm.Seek(chunk*tf.chunkSize, soFromBeginning);
+ chunkTotal := (tf.size+tf.chunkSize-1) div tf.chunkSize;
+ e_LogWritefln('receiving file `%s` (%d chunks)', [tf.diskName, chunkTotal], TMsgType.Notify);
+ g_Game_SetLoadingText('downloading "'+ExtractFileName(tf.diskName)+'"', chunkTotal, False);
+ tf.resumed := resumed;
+
+ if (chunk > 0) then g_Game_StepLoading(chunk);
+ nextChunk := chunk;
+
+ // wait for reply data
+ FillChar(ev, SizeOf(ev), 0);
+ Result := -1;
+ GetMem(buf, tf.chunkSize);
+ try
+ ett := getNewTimeoutEnd();
+ repeat
+ //stx := -GetTimerMS();
+ status := enet_host_service(NetHost, @ev, 300);
+ {
+ if (status < 0) then
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' network error', True);
+ Result := -1;
+ exit;
+ end;
+ }
+ if (status <= 0) then
+ begin
+ // check for timeout
+ ct := GetTimerMS();
+ if (ct >= ett) then
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' timeout reached', True);
+ Result := -1;
+ exit;
+ end;
+ end
+ else
+ begin
+ // some event
+ case ev.kind of
+ ENET_EVENT_TYPE_RECEIVE:
+ begin
+ freePacket := true;
+ if (ev.channelID <> NET_CHAN_DOWNLOAD_EX) then
+ begin
+ //e_LogWritefln('g_Net_Wait_Event: skip message from non-transfer channel', []);
+ freePacket := false;
+ g_Net_Client_HandlePacket(ev.packet, g_Net_ClientLightMsgHandler);
+ if (g_Res_received_map_start < 0) then begin result := -666; exit; end;
+ end
+ else
+ begin
+ //stx := stx+GetTimerMS();
+ //e_LogWritefln('g_Net_ReceiveResourceFile: stx=%d', [Integer(stx)]);
+ //stx := -GetTimerMS();
+ ett := getNewTimeoutEnd();
+ if (ev.packet.dataLength < 1) then
+ begin
+ e_LogWritefln('g_Net_ReceiveResourceFile: invalid server packet (no data)', []);
+ Result := -1;
+ exit;
+ end;
+ Ptr := ev.packet^.data;
+ rMsgId := Byte(Ptr^);
+ if (rMsgId = NTF_SERVER_DONE) then
+ begin
+ e_LogWritefln('file transfer complete.', []);
+ result := 0;
+ exit;
+ end
+ else if (rMsgId = NTF_SERVER_CHUNK) then
+ begin
+ if not msg.Init(ev.packet^.data+1, ev.packet^.dataLength-1, True) then exit;
+ chunk := msg.ReadLongInt();
+ csize := msg.ReadLongInt();
+ if (chunk <> nextChunk) then
+ begin
+ e_LogWritefln('received chunk %d, but expected chunk %d', [chunk, nextChunk]);
+ Result := -1;
+ exit;
+ end;
+ if (csize < 0) or (csize > tf.chunkSize) then
+ begin
+ e_LogWritefln('received chunk with size %d, but expected chunk size is %d', [csize, tf.chunkSize]);
+ Result := -1;
+ exit;
+ end;
+ //e_LogWritefln('got chunk #%d of #%d (csize=%d)', [chunk, (tf.size+tf.chunkSize-1) div tf.chunkSize, csize]);
+ msg.ReadData(buf, csize);
+ strm.WriteBuffer(buf^, csize);
+ nextChunk := chunk+1;
+ g_Game_StepLoading();
+ // send ack
+ trans_omsg.Clear();
+ trans_omsg.Write(Byte(NTF_CLIENT_ACK));
+ trans_omsg.Write(LongInt(chunk));
+ if not ftransSendClientMsg(trans_omsg) then begin result := -1; exit; end;
+ end
+ else if (rMsgId = NTF_SERVER_ABORT) then
+ begin
+ e_LogWritefln('g_Net_ReceiveResourceFile: server aborted transfer', []);
+ Result := 2;
+ exit;
+ end
+ else
+ begin
+ e_LogWritefln('g_Net_ReceiveResourceFile: invalid server packet type', []);
+ Result := -1;
+ exit;
+ end;
+ //stx := stx+GetTimerMS();
+ //e_LogWritefln('g_Net_ReceiveResourceFile: process stx=%d', [Integer(stx)]);
+ end;
+ end;
+ ENET_EVENT_TYPE_DISCONNECT:
+ begin
+ if (ev.data <= NET_DISC_MAX) then
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' ' + _lc[TStrings_Locale(Cardinal(I_NET_DISC_NONE) + ev.data)], True);
+ Result := -1;
+ exit;
+ end;
+ else
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' unknown ENet event ' + IntToStr(Ord(ev.kind)), True);
+ result := -1;
+ exit;
+ end;
+ end;
+ if (freePacket) then begin freePacket := false; enet_packet_destroy(ev.packet); end;
+ end;
+ ProcessLoading();
+ if g_Net_UserRequestExit() then
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' user abort', True);
+ Result := 1;
+ exit;
+ end;
+ until false;
+ finally
+ FreeMem(buf);
+ if (freePacket) then enet_packet_destroy(ev.packet);
+ end;
+end;
+
+
+//**************************************************************************
+//
+// common functions
+//
+//**************************************************************************
+
+function g_Net_FindSlot(): Integer;
+var
+ I: Integer;
+ F: Boolean;
+ N, C: Integer;
+begin
+ N := -1;
+ F := False;
+ C := 0;
+ for I := Low(NetClients) to High(NetClients) do
+ begin
+ if NetClients[I].Used then
+ Inc(C)
+ else
+ if not F then
+ begin
+ F := True;
+ N := I;
+ end;
+ end;
+ if C >= NetMaxClients then
+ begin
+ Result := -1;
+ Exit;
+ end;
+
+ if not F then
+ begin
+ if (Length(NetClients) >= NetMaxClients) then
+ N := -1
+ else
+ begin
+ SetLength(NetClients, Length(NetClients) + 1);
+ N := High(NetClients);
+ end;
+ end;
+
+ if N >= 0 then
+ begin
+ NetClients[N].Used := True;
+ NetClients[N].ID := N;
+ NetClients[N].RequestedFullUpdate := False;
+ NetClients[N].WaitForFirstSpawn := False;
+ NetClients[N].RCONAuth := False;
+ NetClients[N].Voted := False;
+ NetClients[N].Player := 0;
+ clearNetClientTransfers(NetClients[N]); // just in case
+ end;
+
+ Result := N;
+end;
+
+
+function g_Net_Init(): Boolean;
+var
+ F: TextFile;
+ IPstr: string;
+ IP: LongWord;
+ path: AnsiString;
+begin
+ NetIn.Clear();
+ NetOut.Clear();
+ NetBuf[NET_UNRELIABLE].Clear();
+ NetBuf[NET_RELIABLE].Clear();
+ //SetLength(NetClients, 0);
+ clearNetClients(true); // clear array
+ NetPeer := nil;
+ NetHost := nil;
+ NetMyID := -1;
+ NetPlrUID1 := -1;
+ NetPlrUID2 := -1;
+ NetAddr.port := 25666;
+ SetLength(NetBannedHosts, 0);
+ path := BANLIST_FILENAME;
+ if e_FindResource(DataDirs, path) = true then
+ begin
+ Assign(F, path);
+ Reset(F);
+ while not EOF(F) do
+ begin
+ Readln(F, IPstr);
+ if StrToIp(IPstr, IP) then
+ g_Net_BanHost(IP);
+ end;
+ CloseFile(F);
+ g_Net_SaveBanList();
+ end;
+
+ //Result := (enet_initialize() = 0);
+ Result := enet_init_success;
+end;
+
+procedure g_Net_Flush();
+var
+ T: Integer;
+ P: pENetPacket;
+ F, Chan: enet_uint32;
+ I: Integer;
+begin
+ F := 0;
+ Chan := NET_CHAN_GAME;
+
+ if NetMode = NET_SERVER then
+ for T := NET_UNRELIABLE to NET_RELIABLE do
+ begin
+ if NetBuf[T].CurSize > 0 then
+ begin
+ P := enet_packet_create(NetBuf[T].Data, NetBuf[T].CurSize, F);
+ if not Assigned(P) then continue;
+ enet_host_broadcast(NetHost, Chan, P);
+ NetBuf[T].Clear();
+ end;
+
+ for I := Low(NetClients) to High(NetClients) do
+ begin
+ if not NetClients[I].Used then continue;
+ if NetClients[I].NetOut[T].CurSize <= 0 then continue;
+ P := enet_packet_create(NetClients[I].NetOut[T].Data, NetClients[I].NetOut[T].CurSize, F);
+ if not Assigned(P) then continue;
+ enet_peer_send(NetClients[I].Peer, Chan, P);
+ NetClients[I].NetOut[T].Clear();
+ end;
+
+ // next and last iteration is always RELIABLE
+ F := LongWord(ENET_PACKET_FLAG_RELIABLE);
+ Chan := NET_CHAN_IMPORTANT;
+ end
+ else if NetMode = NET_CLIENT then
for T := NET_UNRELIABLE to NET_RELIABLE do
begin
if NetBuf[T].CurSize > 0 then
NetPeer := nil;
NetHost := nil;
- NetMPeer := nil;
- NetMHost := nil;
+ g_Net_Slist_ServerClosed();
NetMyID := -1;
NetPlrUID1 := -1;
NetPlrUID2 := -1;
begin
g_Net_Cleanup();
- enet_deinitialize();
+ //enet_deinitialize();
NetInitDone := False;
end;
-{ /// SERVER FUNCTIONS /// }
-
+//**************************************************************************
+//
+// SERVER FUNCTIONS
+//
+//**************************************************************************
function ForwardThread(Param: Pointer): PtrInt;
begin
NetAddr.host := IPAddr;
NetAddr.port := Port;
- if NetForwardPorts then NetPortThread := BeginThread(ForwardThread);
-
NetHost := enet_host_create(@NetAddr, NET_MAXCLIENTS, NET_CHANS, 0, 0);
if (NetHost = nil) then
Exit;
end;
+ if NetForwardPorts then NetPortThread := BeginThread(ForwardThread);
+
NetPongSock := enet_socket_create(ENET_SOCKET_TYPE_DATAGRAM);
if NetPongSock <> ENET_SOCKET_NULL then
begin
enet_peer_reset(NetClients[I].Peer);
NetClients[I].Peer := nil;
NetClients[I].Used := False;
+ NetClients[I].Player := 0;
+ NetClients[I].Crimes := 0;
+ NetClients[I].AuthTime := 0;
+ NetClients[I].MsgTime := 0;
NetClients[I].NetOut[NET_UNRELIABLE].Free();
NetClients[I].NetOut[NET_RELIABLE].Free();
end;
clearNetClients(false); // don't clear array
- if (NetMPeer <> nil) and (NetMHost <> nil) then g_Net_Slist_Disconnect;
+ g_Net_Slist_ServerClosed();
if NetPongSock <> ENET_SOCKET_NULL then
enet_socket_destroy(NetPongSock);
g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_MSG_HOST_DIE]);
enet_host_destroy(NetHost);
- NetMode := NET_NONE;
-
- g_Net_Cleanup;
- e_WriteLog('NET: Server stopped', TMsgType.Notify);
-end;
-
-
-procedure g_Net_Host_Send(ID: Integer; Reliable: Boolean; Chan: Byte = NET_CHAN_GAME);
-var
- T: Integer;
-begin
- if (Reliable) then
- T := NET_RELIABLE
- else
- T := NET_UNRELIABLE;
-
- if (ID >= 0) then
- begin
- if ID > High(NetClients) then Exit;
- if NetClients[ID].Peer = nil then Exit;
- // write size first
- NetClients[ID].NetOut[T].Write(Integer(NetOut.CurSize));
- NetClients[ID].NetOut[T].Write(NetOut);
- end
- else
- begin
- // write size first
- NetBuf[T].Write(Integer(NetOut.CurSize));
- NetBuf[T].Write(NetOut);
- end;
-
- if NetDump then g_Net_DumpSendBuffer();
- NetOut.Clear();
-end;
-
-procedure g_Net_Host_CheckPings();
-var
- ClAddr: ENetAddress;
- Buf: ENetBuffer;
- Len: Integer;
- ClTime: Int64;
- Ping: array [0..9] of Byte;
- NPl: Byte;
-begin
- if NetPongSock = ENET_SOCKET_NULL then Exit;
-
- Buf.data := Addr(Ping[0]);
- Buf.dataLength := 2+8;
-
- Ping[0] := 0;
-
- Len := enet_socket_receive(NetPongSock, @ClAddr, @Buf, 1);
- if Len < 0 then Exit;
-
- if (Ping[0] = Ord('D')) and (Ping[1] = Ord('F')) then
- begin
- ClTime := Int64(Addr(Ping[2])^);
-
- NetOut.Clear();
- NetOut.Write(Byte(Ord('D')));
- NetOut.Write(Byte(Ord('F')));
- NetOut.Write(NetPort);
- NetOut.Write(ClTime);
- g_Net_Slist_WriteInfo();
- NPl := 0;
- if gPlayer1 <> nil then Inc(NPl);
- if gPlayer2 <> nil then Inc(NPl);
- NetOut.Write(NPl);
- NetOut.Write(gNumBots);
-
- Buf.data := NetOut.Data;
- Buf.dataLength := NetOut.CurSize;
- enet_socket_send(NetPongSock, @ClAddr, @Buf, 1);
-
- NetOut.Clear();
- end;
-end;
-
-
-const
- // server packet type
- NTF_SERVER_DONE = 10; // done with this file
- NTF_SERVER_FILE_INFO = 11; // sent after client request
- NTF_SERVER_CHUNK = 12; // next chunk; chunk number follows
- NTF_SERVER_ABORT = 13; // server abort
- NTF_SERVER_MAP_INFO = 14;
-
- // client packet type
- NTF_CLIENT_MAP_REQUEST = 100; // map file request; also, returns list of additional wads to download
- NTF_CLIENT_FILE_REQUEST = 101; // resource file request (by index)
- NTF_CLIENT_ABORT = 102; // do not send requested file, or abort current transfer
- NTF_CLIENT_START = 103; // start transfer; client may resume download by sending non-zero starting chunk
- NTF_CLIENT_ACK = 104; // chunk ack; chunk number follows
-
-
-procedure KillClientByFT (var nc: TNetClient);
-begin
- e_LogWritefln('disconnected client #%d due to file transfer error', [nc.ID], TMsgType.Warning);
- enet_peer_disconnect(nc.Peer, NET_DISC_FILE_TIMEOUT);
- clearNetClientTransfers(nc);
-end;
-
-
-function ftransSendServerMsg (var nc: TNetClient; var m: TMsg): Boolean;
-var
- pkt: PENetPacket;
-begin
- result := false;
- if (m.CurSize < 1) then exit;
- pkt := enet_packet_create(m.Data, m.CurSize, ENET_PACKET_FLAG_RELIABLE);
- if not Assigned(pkt) then begin KillClientByFT(nc); exit; end;
- if (enet_peer_send(nc.Peer, NET_CHAN_DOWNLOAD_EX, pkt) <> 0) then begin KillClientByFT(nc); exit; end;
- result := true;
-end;
-
+ NetMode := NET_NONE;
-function ftransSendClientMsg (var m: TMsg): Boolean;
-var
- pkt: PENetPacket;
-begin
- result := false;
- if (m.CurSize < 1) then exit;
- pkt := enet_packet_create(m.Data, m.CurSize, ENET_PACKET_FLAG_RELIABLE);
- if not Assigned(pkt) then exit;
- if (enet_peer_send(NetPeer, NET_CHAN_DOWNLOAD_EX, pkt) <> 0) then exit;
- result := true;
+ g_Net_Cleanup;
+ e_WriteLog('NET: Server stopped', TMsgType.Notify);
end;
-procedure ProcessChunkSend (var nc: TNetClient);
+procedure g_Net_Host_Send(ID: Integer; Reliable: Boolean; Chan: Byte = NET_CHAN_GAME);
var
- tf: ^TNetFileTransfer;
- ct: Int64;
- chunks: Integer;
- rd: Integer;
+ T: Integer;
begin
- tf := @nc.Transfer;
- if (tf.stream = nil) then exit;
- ct := GetTimerMS();
- // arbitrary timeout number
- if (ct-tf.lastAckTime >= 5000) then
- begin
- KillClientByFT(nc);
- exit;
- end;
- // check if we need to send something
- if (not tf.inProgress) then exit; // waiting for the initial ack
- // ok, we're sending chunks
- if (tf.lastAckChunk <> tf.lastSentChunk) then exit;
- Inc(tf.lastSentChunk);
- // do it one chunk at a time; client ack will advance our chunk counter
- chunks := (tf.size+tf.chunkSize-1) div tf.chunkSize;
-
- if (tf.lastSentChunk > chunks) then
- begin
- KillClientByFT(nc);
- exit;
- end;
+ if (Reliable) then
+ T := NET_RELIABLE
+ else
+ T := NET_UNRELIABLE;
- trans_omsg.Clear();
- if (tf.lastSentChunk = chunks) then
+ if (ID >= 0) then
begin
- // we're done with this file
- e_LogWritefln('download: client #%d, DONE sending chunks #%d/#%d', [nc.ID, tf.lastSentChunk, chunks]);
- trans_omsg.Write(Byte(NTF_SERVER_DONE));
- clearNetClientTransfers(nc);
+ if ID > High(NetClients) then Exit;
+ if NetClients[ID].Peer = nil then Exit;
+ // write size first
+ NetClients[ID].NetOut[T].Write(Integer(NetOut.CurSize));
+ NetClients[ID].NetOut[T].Write(NetOut);
end
else
begin
- // packet type
- trans_omsg.Write(Byte(NTF_SERVER_CHUNK));
- trans_omsg.Write(LongInt(tf.lastSentChunk));
- // read chunk
- rd := tf.size-(tf.lastSentChunk*tf.chunkSize);
- if (rd > tf.chunkSize) then rd := tf.chunkSize;
- trans_omsg.Write(LongInt(rd));
- //e_LogWritefln('download: client #%d, sending chunk #%d/#%d (%d bytes)', [nc.ID, tf.lastSentChunk, chunks, rd]);
- //FIXME: check for errors here
- try
- tf.stream.Seek(tf.lastSentChunk*tf.chunkSize, soFromBeginning);
- tf.stream.ReadBuffer(tf.diskBuffer^, rd);
- trans_omsg.WriteData(tf.diskBuffer, rd);
- except // sorry
- KillClientByFT(nc);
- exit;
- end;
+ // write size first
+ NetBuf[T].Write(Integer(NetOut.CurSize));
+ NetBuf[T].Write(NetOut);
end;
- // send packet
- ftransSendServerMsg(nc, trans_omsg);
-end;
+ if NetDump then g_Net_DumpSendBuffer();
+ NetOut.Clear();
+end;
-// received packet is in `NetEvent`
-procedure ProcessDownloadExPacket ();
+procedure g_Net_Host_CheckPings();
var
- f: Integer;
- nc: ^TNetClient;
- nid: Integer = -1;
- msg: TMsg;
- cmd: Byte;
- tf: ^TNetFileTransfer;
- fname: string;
- chunk: Integer;
- ridx: Integer;
- dfn: AnsiString;
- md5: TMD5Digest;
- st: TStream;
- size: LongInt;
-begin
- // find client index by peer
- for f := Low(NetClients) to High(NetClients) do
- begin
- if (not NetClients[f].Used) then continue;
- if (NetClients[f].Peer = NetEvent.peer) then
- begin
- nid := f;
- break;
- end;
- end;
- //e_LogWritefln('RECEIVE: dlpacket; client=%d (datalen=%u)', [nid, NetEvent.packet^.dataLength]);
-
- if (nid < 0) then exit; // wtf?!
- nc := @NetClients[nid];
-
- if (NetEvent.packet^.dataLength = 0) then
- begin
- KillClientByFT(nc^);
- exit;
- end;
-
- tf := @NetClients[nid].Transfer;
- tf.lastAckTime := GetTimerMS();
-
- cmd := Byte(NetEvent.packet^.data^);
- //e_LogWritefln('RECEIVE: nid=%d; cmd=%u', [nid, cmd]);
- case cmd of
- NTF_CLIENT_FILE_REQUEST: // file request
- begin
- if (tf.stream <> nil) then
- begin
- KillClientByFT(nc^);
- exit;
- end;
- if (NetEvent.packet^.dataLength < 2) then
- begin
- KillClientByFT(nc^);
- exit;
- end;
- // new transfer request; build packet
- if not msg.Init(NetEvent.packet^.data+1, NetEvent.packet^.dataLength-1, True) then
- begin
- KillClientByFT(nc^);
- exit;
- end;
- // get resource index
- ridx := msg.ReadLongInt();
- if (ridx < -1) or (ridx >= gExternalResources.Count) then
- begin
- e_LogWritefln('Invalid resource index %d', [ridx], TMsgType.Warning);
- KillClientByFT(nc^);
- exit;
- end;
- if (ridx < 0) then fname := MapsDir+gGameSettings.WAD else fname := GameDir+'/wads/'+gExternalResources[ridx];
- if (length(fname) = 0) then
- begin
- e_WriteLog('Invalid filename: '+fname, TMsgType.Warning);
- KillClientByFT(nc^);
- exit;
- end;
- tf.diskName := findDiskWad(fname);
- //if (length(tf.diskName) = 0) then tf.diskName := findDiskWad(GameDir+'/wads/'+fname);
- if (length(tf.diskName) = 0) then
- begin
- e_LogWritefln('NETWORK: file "%s" not found!', [fname], TMsgType.Fatal);
- KillClientByFT(nc^);
- exit;
- end;
- // calculate hash
- //TODO: cache hashes
- tf.hash := MD5File(tf.diskName);
- // create file stream
- tf.diskName := findDiskWad(fname);
- try
- tf.stream := openDiskFileRO(tf.diskName);
- except
- tf.stream := nil;
- end;
- if (tf.stream = nil) then
- begin
- e_WriteLog(Format('NETWORK: file "%s" not found!', [fname]), TMsgType.Fatal);
- KillClientByFT(nc^);
- exit;
- end;
- e_LogWritefln('client #%d requested resource #%d (file is `%s` : `%s`)', [nc.ID, ridx, fname, tf.diskName]);
- tf.size := tf.stream.size;
- tf.chunkSize := FILE_CHUNK_SIZE; // arbitrary
- tf.lastSentChunk := -1;
- tf.lastAckChunk := -1;
- tf.lastAckTime := GetTimerMS();
- tf.inProgress := False; // waiting for the first ACK or for the cancel
- GetMem(tf.diskBuffer, tf.chunkSize);
- // sent file info message
- trans_omsg.Clear();
- trans_omsg.Write(Byte(NTF_SERVER_FILE_INFO));
- trans_omsg.Write(tf.hash);
- trans_omsg.Write(tf.size);
- trans_omsg.Write(tf.chunkSize);
- trans_omsg.Write(ExtractFileName(fname));
- if not ftransSendServerMsg(nc^, trans_omsg) then exit;
- end;
- NTF_CLIENT_ABORT: // do not send requested file, or abort current transfer
- begin
- e_LogWritefln('client #%d aborted file transfer', [nc.ID]);
- clearNetClientTransfers(nc^);
- end;
- NTF_CLIENT_START: // start transfer; client may resume download by sending non-zero starting chunk
- begin
- if not Assigned(tf.stream) then
- begin
- KillClientByFT(nc^);
- exit;
- end;
- if (tf.lastSentChunk <> -1) or (tf.lastAckChunk <> -1) or (tf.inProgress) then
- begin
- // double ack, get lost
- KillClientByFT(nc^);
- exit;
- end;
- if (NetEvent.packet^.dataLength < 2) then
- begin
- KillClientByFT(nc^);
- exit;
- end;
- // build packet
- if not msg.Init(NetEvent.packet^.data+1, NetEvent.packet^.dataLength-1, True) then
- begin
- KillClientByFT(nc^);
- exit;
- end;
- chunk := msg.ReadLongInt();
- if (chunk < 0) or (chunk > (tf.size+tf.chunkSize-1) div tf.chunkSize) then
- begin
- KillClientByFT(nc^);
- exit;
- end;
- e_LogWritefln('client #%d started file transfer from chunk %d', [nc.ID, chunk]);
- // start sending chunks
- tf.inProgress := True;
- tf.lastSentChunk := chunk-1;
- tf.lastAckChunk := chunk-1;
- ProcessChunkSend(nc^);
- end;
- NTF_CLIENT_ACK: // chunk ack; chunk number follows
- begin
- if not Assigned(tf.stream) then
- begin
- KillClientByFT(nc^);
- exit;
- end;
- if (tf.lastSentChunk < 0) or (not tf.inProgress) then
- begin
- // double ack, get lost
- KillClientByFT(nc^);
- exit;
- end;
- if (NetEvent.packet^.dataLength < 2) then
- begin
- KillClientByFT(nc^);
- exit;
- end;
- // build packet
- if not msg.Init(NetEvent.packet^.data+1, NetEvent.packet^.dataLength-1, True) then
- begin
- KillClientByFT(nc^);
- exit;
- end;
- chunk := msg.ReadLongInt();
- if (chunk < 0) or (chunk > (tf.size+tf.chunkSize-1) div tf.chunkSize) then
- begin
- KillClientByFT(nc^);
- exit;
- end;
- // do it this way, so client may seek, or request retransfers for some reason
- tf.lastAckChunk := chunk;
- tf.lastSentChunk := chunk;
- //e_LogWritefln('client #%d acked file transfer chunk %d', [nc.ID, chunk]);
- ProcessChunkSend(nc^);
- end;
- NTF_CLIENT_MAP_REQUEST:
+ ClAddr: ENetAddress;
+ Buf: ENetBuffer;
+ Len: Integer;
+ ClTime: Int64;
+ Ping: array [0..9] of Byte;
+ NPl: Byte;
+begin
+ if (NetPongSock = ENET_SOCKET_NULL) or (NetHost = nil) then Exit;
+
+ Buf.data := Addr(Ping[0]);
+ Buf.dataLength := 2+8;
+
+ Ping[0] := 0;
+
+ Len := enet_socket_receive(NetPongSock, @ClAddr, @Buf, 1);
+ if Len < 0 then Exit;
+
+ if (Ping[0] = Ord('D')) and (Ping[1] = Ord('F')) then
+ begin
+ ClTime := Int64(Addr(Ping[2])^);
+
+ NetOut.Clear();
+ NetOut.Write(Byte(Ord('D')));
+ NetOut.Write(Byte(Ord('F')));
+ NetOut.Write(NetHost.address.port);
+ NetOut.Write(ClTime);
+ TMasterHost.writeInfo(NetOut);
+ NPl := 0;
+ if gPlayer1 <> nil then Inc(NPl);
+ if gPlayer2 <> nil then Inc(NPl);
+ NetOut.Write(NPl);
+ NetOut.Write(gNumBots);
+
+ Buf.data := NetOut.Data;
+ Buf.dataLength := NetOut.CurSize;
+ enet_socket_send(NetPongSock, @ClAddr, @Buf, 1);
+
+ NetOut.Clear();
+ end;
+end;
+
+procedure g_Net_Host_CheckTimeouts();
+var
+ ID: Integer;
+begin
+ for ID := Low(NetClients) to High(NetClients) do
+ begin
+ with NetClients[ID] do
+ begin
+ if (Peer = nil) or (State = NET_STATE_NONE) then continue;
+ if (State = NET_STATE_AUTH) and (AuthTime > 0) and (AuthTime <= gTime) then
begin
- e_LogWritefln('client #%d requested map info', [nc.ID]);
- trans_omsg.Clear();
- dfn := findDiskWad(MapsDir+gGameSettings.WAD);
- if (dfn = '') then dfn := '!wad_not_found!.wad'; //FIXME
- md5 := MD5File(dfn);
- st := openDiskFileRO(dfn);
- if not assigned(st) then exit; //wtf?!
- size := st.size;
- st.Free;
- // packet type
- trans_omsg.Write(Byte(NTF_SERVER_MAP_INFO));
- // map wad name
- trans_omsg.Write(gGameSettings.WAD);
- // map wad md5
- trans_omsg.Write(md5);
- // map wad size
- trans_omsg.Write(size);
- // number of external resources for map
- trans_omsg.Write(LongInt(gExternalResources.Count));
- // external resource names
- for f := 0 to gExternalResources.Count-1 do
- begin
- trans_omsg.Write(ExtractFileName(gExternalResources[f])); // GameDir+'/wads/'+ResList.Strings[i]
- end;
- // send packet
- if not ftransSendServerMsg(nc^, trans_omsg) then exit;
- end;
- else
+ g_Net_Penalize(@NetClients[ID], 'auth taking too long');
+ AuthTime := gTime + 500; // do it twice a second to give them a chance
+ end
+ else if (State = NET_STATE_GAME) and (MsgTime > 0) and (MsgTime <= gTime) then
begin
- KillClientByFT(nc^);
- exit;
+ g_Net_Penalize(@NetClients[ID], 'message timeout');
+ AuthTime := gTime + 500; // do it twice a second to give them a chance
end;
+ end;
+ end;
+end;
+
+procedure g_Net_Host_Disconnect_Client(ID: Integer; Force: Boolean = False);
+var
+ TP: TPlayer;
+ TC: pTNetClient;
+begin
+ TC := @NetClients[ID];
+ if (TC = nil) then Exit;
+ clearNetClient(NetClients[ID]);
+ if not (TC^.Used) then Exit;
+
+ TP := g_Player_Get(TC^.Player);
+
+ if TP <> nil then
+ begin
+ TP.Lives := 0;
+ TP.Kill(K_SIMPLEKILL, 0, HIT_DISCON);
+ g_Console_Add(Format(_lc[I_PLAYER_LEAVE], [TP.Name]), True);
+ e_WriteLog('NET: Client ' + TP.Name + ' [' + IntToStr(TC^.ID) + '] disconnected.', TMsgType.Notify);
+ g_Player_Remove(TP.UID);
end;
+
+ if (TC^.Peer^.data <> nil) then
+ begin
+ FreeMemory(TC^.Peer^.data);
+ TC^.Peer^.data := nil;
+ end;
+
+ if (Force) then
+ enet_peer_reset(TC^.Peer);
+
+ TC^.Used := False;
+ TC^.State := NET_STATE_NONE;
+ TC^.Peer := nil;
+ TC^.Player := 0;
+ TC^.Crimes := 0;
+ TC^.AuthTime := 0;
+ TC^.MsgTime := 0;
+ TC^.RequestedFullUpdate := False;
+ TC^.WaitForFirstSpawn := False;
+ TC^.NetOut[NET_UNRELIABLE].Free();
+ TC^.NetOut[NET_RELIABLE].Free();
+
+ g_Console_Add(_lc[I_NET_MSG] + Format(_lc[I_NET_MSG_HOST_DISC], [ID]));
+ Dec(NetClientCount);
+
+ if NetUseMaster then g_Net_Slist_ServerPlayerLeaves();
end;
Port: Word;
ID: Integer;
TC: pTNetClient;
- TP: TPlayer;
- //f: Integer;
- //ctt: Int64;
begin
IP := '';
Result := 0;
- if NetUseMaster then g_Net_Slist_Check;
- g_Net_Host_CheckPings;
-
- //ctt := -GetTimerMS();
- // process file transfers
- {
- for f := Low(NetClients) to High(NetClients) do
- begin
- if (not NetClients[f].Used) then continue;
- if (NetClients[f].Transfer.stream = nil) then continue;
- ProcessChunkSend(NetClients[f]);
- end;
- }
- {
- ctt := ctt+GetTimerMS();
- if (ctt > 1) then e_LogWritefln('all transfers: [%d]', [Integer(ctt)]);
- }
+ if NetUseMaster then g_Net_Slist_Pulse();
+ g_Net_Host_CheckPings();
+ g_Net_Host_CheckTimeouts();
while (enet_host_service(NetHost, @NetEvent, 0) > 0) do
begin
Port := NetEvent.Peer^.address.port;
g_Console_Add(_lc[I_NET_MSG] +
Format(_lc[I_NET_MSG_HOST_CONN], [IP, Port]));
+ e_WriteLog('NET: Connection request from ' + IP + '.', TMsgType.Notify);
if (NetEvent.data <> NET_PROTOCOL_VER) then
begin
g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_MSG_HOST_REJECT] +
_lc[I_NET_DISC_PROTOCOL]);
+ e_WriteLog('NET: Connection request from ' + IP + ' rejected: version mismatch',
+ TMsgType.Notify);
NetEvent.peer^.data := GetMemory(SizeOf(Byte));
Byte(NetEvent.peer^.data^) := 255;
enet_peer_disconnect(NetEvent.peer, NET_DISC_PROTOCOL);
Exit;
end;
+ if g_Net_IsHostBanned(NetEvent.Peer^.address.host) then
+ begin
+ g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_MSG_HOST_REJECT] +
+ _lc[I_NET_DISC_BAN]);
+ e_WriteLog('NET: Connection request from ' + IP + ' rejected: banned',
+ TMsgType.Notify);
+ NetEvent.peer^.data := GetMemory(SizeOf(Byte));
+ Byte(NetEvent.peer^.data^) := 255;
+ enet_peer_disconnect(NetEvent.Peer, NET_DISC_BAN);
+ enet_host_flush(NetHost);
+ Exit;
+ end;
+
ID := g_Net_FindSlot();
if ID < 0 then
begin
g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_MSG_HOST_REJECT] +
_lc[I_NET_DISC_FULL]);
+ e_WriteLog('NET: Connection request from ' + IP + ' rejected: server full',
+ TMsgType.Notify);
NetEvent.Peer^.data := GetMemory(SizeOf(Byte));
Byte(NetEvent.peer^.data^) := 255;
enet_peer_disconnect(NetEvent.peer, NET_DISC_FULL);
NetClients[ID].Peer^.data := GetMemory(SizeOf(Byte));
Byte(NetClients[ID].Peer^.data^) := ID;
NetClients[ID].State := NET_STATE_AUTH;
+ NetClients[ID].Player := 0;
+ NetClients[ID].Crimes := 0;
NetClients[ID].RCONAuth := False;
NetClients[ID].NetOut[NET_UNRELIABLE].Alloc(NET_BUFSIZE*2);
NetClients[ID].NetOut[NET_RELIABLE].Alloc(NET_BUFSIZE*2);
+ if (NetAuthTimeout > 0) then
+ NetClients[ID].AuthTime := gTime + NetAuthTimeout
+ else
+ NetClients[ID].AuthTime := 0;
+ if (NetPacketTimeout > 0) then
+ NetClients[ID].MsgTime := gTime + NetPacketTimeout
+ else
+ NetClients[ID].MsgTime := 0;
clearNetClientTransfers(NetClients[ID]); // just in case
enet_peer_timeout(NetEvent.peer, ENET_PEER_TIMEOUT_LIMIT * 2, ENET_PEER_TIMEOUT_MINIMUM * 2, ENET_PEER_TIMEOUT_MAXIMUM * 2);
if ID > High(NetClients) then Exit;
TC := @NetClients[ID];
+ if (NetPacketTimeout > 0) then
+ TC^.MsgTime := gTime + NetPacketTimeout;
+
if NetDump then g_Net_DumpRecvBuffer(NetEvent.packet^.data, NetEvent.packet^.dataLength);
g_Net_Host_HandlePacket(TC, NetEvent.packet, g_Net_HostMsgHandler);
end;
begin
ID := Byte(NetEvent.peer^.data^);
if ID > High(NetClients) then Exit;
- clearNetClient(NetClients[ID]);
- TC := @NetClients[ID];
- if TC = nil then Exit;
-
- if not (TC^.Used) then Exit;
-
- TP := g_Player_Get(TC^.Player);
-
- if TP <> nil then
- begin
- TP.Lives := 0;
- TP.Kill(K_SIMPLEKILL, 0, HIT_DISCON);
- g_Console_Add(Format(_lc[I_PLAYER_LEAVE], [TP.Name]), True);
- e_WriteLog('NET: Client ' + TP.Name + ' [' + IntToStr(ID) + '] disconnected.', TMsgType.Notify);
- g_Player_Remove(TP.UID);
- end;
-
- TC^.Used := False;
- TC^.State := NET_STATE_NONE;
- TC^.Peer := nil;
- TC^.Player := 0;
- TC^.RequestedFullUpdate := False;
- TC^.NetOut[NET_UNRELIABLE].Free();
- TC^.NetOut[NET_RELIABLE].Free();
-
- FreeMemory(NetEvent.peer^.data);
- NetEvent.peer^.data := nil;
- g_Console_Add(_lc[I_NET_MSG] + Format(_lc[I_NET_MSG_HOST_DISC], [ID]));
- Dec(NetClientCount);
-
- if NetUseMaster then g_Net_Slist_Update;
+ g_Net_Host_Disconnect_Client(ID);
end;
end;
end;
end;
-{ /// CLIENT FUNCTIONS /// }
-
+//**************************************************************************
+//
+// CLIENT FUNCTIONS
+//
+//**************************************************************************
procedure g_Net_Disconnect(Forced: Boolean = False);
begin
function g_Net_Client_Update(): enet_size_t;
begin
Result := 0;
- while (enet_host_service(NetHost, @NetEvent, 0) > 0) do
+ while (NetHost <> nil) and (enet_host_service(NetHost, @NetEvent, 0) > 0) do
begin
case NetEvent.kind of
ENET_EVENT_TYPE_RECEIVE:
ENET_EVENT_TYPE_RECEIVE:
begin
if (NetEvent.channelID = NET_CHAN_DOWNLOAD_EX) then continue; // ignore all download packets, they're processed by separate code
- if NetDump then g_Net_DumpRecvBuffer(NetEvent.packet^.data, NetEvent.packet^.dataLength);
- g_Net_Client_HandlePacket(NetEvent.packet, g_Net_ClientLightMsgHandler);
- end;
-
- ENET_EVENT_TYPE_DISCONNECT:
- begin
- g_Net_Disconnect(True);
- Result := 1;
- Exit;
- end;
- end;
- end;
- g_Net_Flush();
-end;
-
-function g_Net_Connect(IP: string; Port: enet_uint16): Boolean;
-var
- OuterLoop: Boolean;
- TimeoutTime, T: Int64;
-begin
- if NetMode <> NET_NONE then
- begin
- g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_ERR_INGAME], True);
- Result := False;
- Exit;
- end;
-
- Result := True;
-
- g_Console_Add(_lc[I_NET_MSG] + Format(_lc[I_NET_MSG_CLIENT_CONN],
- [IP, Port]));
- if not NetInitDone then
- begin
- if (not g_Net_Init()) then
- begin
- g_Console_Add(_lc[I_NET_MSG_FERROR] + _lc[I_NET_ERR_ENET], True);
- Result := False;
- Exit;
- end
- else
- NetInitDone := True;
- end;
-
- NetHost := enet_host_create(nil, 1, NET_CHANS, 0, 0);
-
- if (NetHost = nil) then
- begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CLIENT], True);
- g_Net_Cleanup;
- Result := False;
- Exit;
- end;
-
- enet_address_set_host(@NetAddr, PChar(Addr(IP[1])));
- NetAddr.port := Port;
-
- NetPeer := enet_host_connect(NetHost, @NetAddr, NET_CHANS, NET_PROTOCOL_VER);
-
- if (NetPeer = nil) then
- begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CLIENT], True);
- enet_host_destroy(NetHost);
- g_Net_Cleanup;
- Result := False;
- Exit;
- end;
-
- // предупредить что ждем слишком долго через N секунд
- TimeoutTime := GetTimer() + NET_CONNECT_TIMEOUT;
-
- OuterLoop := True;
- while OuterLoop do
- begin
- while (enet_host_service(NetHost, @NetEvent, 0) > 0) do
- begin
- if (NetEvent.kind = ENET_EVENT_TYPE_CONNECT) then
- begin
- g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_MSG_CLIENT_DONE]);
- NetMode := NET_CLIENT;
- NetOut.Clear();
- enet_peer_timeout(NetPeer, ENET_PEER_TIMEOUT_LIMIT * 2, ENET_PEER_TIMEOUT_MINIMUM * 2, ENET_PEER_TIMEOUT_MAXIMUM * 2);
- NetClientIP := IP;
- NetClientPort := Port;
- if NetDump then
- g_Net_DumpStart();
- Exit;
- end;
- end;
-
- T := GetTimer();
- if T > TimeoutTime then
- begin
- TimeoutTime := T + NET_CONNECT_TIMEOUT * 100; // одного предупреждения хватит
- g_Console_Add(_lc[I_NET_MSG_TIMEOUT_WARN], True);
- g_Console_Add(Format(_lc[I_NET_MSG_PORTS], [Integer(Port), Integer(NET_PING_PORT)]), True);
- end;
-
- ProcessLoading(true);
-
- if e_KeyPressed(IK_SPACE) or e_KeyPressed(IK_ESCAPE) or e_KeyPressed(VK_ESCAPE) or
- e_KeyPressed(JOY0_JUMP) or e_KeyPressed(JOY1_JUMP) or e_KeyPressed(JOY2_JUMP) or e_KeyPressed(JOY3_JUMP) then
- OuterLoop := False;
- end;
-
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_TIMEOUT], True);
- g_Console_Add(Format(_lc[I_NET_MSG_PORTS], [Integer(Port), Integer(NET_PING_PORT)]), True);
- if NetPeer <> nil then enet_peer_reset(NetPeer);
- if NetHost <> nil then
- begin
- enet_host_destroy(NetHost);
- NetHost := nil;
- end;
- g_Net_Cleanup();
- Result := False;
-end;
-
-function IpToStr(IP: LongWord): string;
-var
- Ptr: Pointer;
-begin
- Ptr := Addr(IP);
- Result := IntToStr(PByte(Ptr + 0)^) + '.';
- Result := Result + IntToStr(PByte(Ptr + 1)^) + '.';
- Result := Result + IntToStr(PByte(Ptr + 2)^) + '.';
- Result := Result + IntToStr(PByte(Ptr + 3)^);
-end;
-
-function StrToIp(IPstr: string; var IP: LongWord): Boolean;
-var
- EAddr: ENetAddress;
-begin
- Result := enet_address_set_host(@EAddr, PChar(@IPstr[1])) = 0;
- IP := EAddr.host;
-end;
-
-function g_Net_Client_ByName(Name: string): pTNetClient;
-var
- a: Integer;
- pl: TPlayer;
-begin
- Result := nil;
- for a := Low(NetClients) to High(NetClients) do
- if (NetClients[a].Used) and (NetClients[a].State = NET_STATE_GAME) then
- begin
- pl := g_Player_Get(NetClients[a].Player);
- if pl = nil then continue;
- if Copy(LowerCase(pl.Name), 1, Length(Name)) <> LowerCase(Name) then continue;
- if NetClients[a].Peer <> nil then
- begin
- Result := @NetClients[a];
- Exit;
+ if NetDump then g_Net_DumpRecvBuffer(NetEvent.packet^.data, NetEvent.packet^.dataLength);
+ g_Net_Client_HandlePacket(NetEvent.packet, g_Net_ClientLightMsgHandler);
end;
- end;
-end;
-function g_Net_Client_ByPlayer(PID: Word): pTNetClient;
-var
- a: Integer;
-begin
- Result := nil;
- for a := Low(NetClients) to High(NetClients) do
- if (NetClients[a].Used) and (NetClients[a].State = NET_STATE_GAME) then
- if NetClients[a].Player = PID then
+ ENET_EVENT_TYPE_DISCONNECT:
begin
- Result := @NetClients[a];
+ g_Net_Disconnect(True);
+ Result := 1;
Exit;
end;
-end;
-
-function g_Net_ClientName_ByID(ID: Integer): string;
-var
- a: Integer;
- pl: TPlayer;
-begin
- Result := '';
- if ID = NET_EVERYONE then
- Exit;
- for a := Low(NetClients) to High(NetClients) do
- if (NetClients[a].ID = ID) and (NetClients[a].Used) and (NetClients[a].State = NET_STATE_GAME) then
- begin
- pl := g_Player_Get(NetClients[a].Player);
- if pl = nil then Exit;
- Result := pl.Name;
end;
+ end;
+ g_Net_Flush();
end;
-procedure g_Net_SendData(Data: AByte; peer: pENetPeer; Reliable: Boolean; Chan: Byte = NET_CHAN_DOWNLOAD);
+function g_Net_Connect(IP: string; Port: enet_uint16): Boolean;
var
- P: pENetPacket;
- F: enet_uint32;
- dataLength: Cardinal;
+ OuterLoop: Boolean;
+ TimeoutTime, T: Int64;
begin
- dataLength := Length(Data);
-
- if (Reliable) then
- F := LongWord(ENET_PACKET_FLAG_RELIABLE)
- else
- F := 0;
-
- if (peer <> nil) then
- begin
- P := enet_packet_create(@Data[0], dataLength, F);
- if not Assigned(P) then Exit;
- enet_peer_send(peer, Chan, P);
- end
- else
+ if NetMode <> NET_NONE then
begin
- P := enet_packet_create(@Data[0], dataLength, F);
- if not Assigned(P) then Exit;
- enet_host_broadcast(NetHost, Chan, P);
+ g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_ERR_INGAME], True);
+ Result := False;
+ Exit;
end;
- enet_host_flush(NetHost);
-end;
-
-function g_Net_UserRequestExit: Boolean;
-begin
- Result := e_KeyPressed(IK_SPACE) or
- e_KeyPressed(IK_ESCAPE) or
- e_KeyPressed(VK_ESCAPE) or
- e_KeyPressed(JOY0_JUMP) or
- e_KeyPressed(JOY1_JUMP) or
- e_KeyPressed(JOY2_JUMP) or
- e_KeyPressed(JOY3_JUMP)
-end;
-
+ Result := True;
-function getNewTimeoutEnd (): Int64;
-begin
- result := GetTimerMS();
- if (g_Net_DownloadTimeout <= 0) then
- begin
- result := result+1000*60*3; // 3 minutes
- end
- else
+ g_Console_Add(_lc[I_NET_MSG] + Format(_lc[I_NET_MSG_CLIENT_CONN],
+ [IP, Port]));
+ if not NetInitDone then
begin
- result := result+trunc(g_Net_DownloadTimeout*1000);
+ if (not g_Net_Init()) then
+ begin
+ g_Console_Add(_lc[I_NET_MSG_FERROR] + _lc[I_NET_ERR_ENET], True);
+ Result := False;
+ Exit;
+ end
+ else
+ NetInitDone := True;
end;
-end;
+ NetHost := enet_host_create(nil, 1, NET_CHANS, 0, 0);
-function g_Net_SendMapRequest (): Boolean;
-begin
- result := false;
- e_LogWritefln('sending map request...', []);
- // send request
- trans_omsg.Clear();
- trans_omsg.Write(Byte(NTF_CLIENT_MAP_REQUEST));
- e_LogWritefln(' request size is %d', [trans_omsg.CurSize]);
- result := ftransSendClientMsg(trans_omsg);
- if result then enet_host_flush(NetHost);
-end;
+ if (NetHost = nil) then
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CLIENT], True);
+ g_Net_Cleanup;
+ Result := False;
+ Exit;
+ end;
+ enet_address_set_host(@NetAddr, PChar(Addr(IP[1])));
+ NetAddr.port := Port;
-// returns `false` on error or user abort
-// fills:
-// hash
-// size
-// chunkSize
-// returns:
-// <0 on error
-// 0 on success
-// 1 on user abort
-// 2 on server abort
-// for maps, first `tf.diskName` name will be map wad name, and `tf.hash`/`tf.size` will contain map info
-function g_Net_Wait_MapInfo (var tf: TNetFileTransfer; resList: TStringList): Integer;
-var
- ev: ENetEvent;
- rMsgId: Byte;
- Ptr: Pointer;
- msg: TMsg;
- freePacket: Boolean = false;
- ct, ett: Int64;
- status: cint;
- s: AnsiString;
- rc, f: LongInt;
-begin
- FillChar(ev, SizeOf(ev), 0);
- Result := -1;
- try
- ett := getNewTimeoutEnd();
- repeat
- status := enet_host_service(NetHost, @ev, 300);
- if (status < 0) then
- begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' network error', True);
- Result := -1;
- exit;
- end;
- if (status = 0) then
- begin
- // check for timeout
- ct := GetTimerMS();
- if (ct >= ett) then
- begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' timeout reached', True);
- Result := -1;
- exit;
- end;
- end
- else
- begin
- // some event
- case ev.kind of
- ENET_EVENT_TYPE_RECEIVE:
- begin
- freePacket := true;
- if (ev.channelID <> NET_CHAN_DOWNLOAD_EX) then
- begin
- //e_LogWritefln('g_Net_Wait_MapInfo: skip message from non-transfer channel', []);
- freePacket := false;
- g_Net_Client_HandlePacket(ev.packet, g_Net_ClientLightMsgHandler);
- if (g_Res_received_map_start < 0) then begin result := -666; exit; end;
- end
- else
- begin
- ett := getNewTimeoutEnd();
- if (ev.packet.dataLength < 1) then
- begin
- e_LogWritefln('g_Net_Wait_MapInfo: invalid server packet (no data)', []);
- Result := -1;
- exit;
- end;
- Ptr := ev.packet^.data;
- rMsgId := Byte(Ptr^);
- e_LogWritefln('g_Net_Wait_MapInfo: got message %u from server (dataLength=%u)', [rMsgId, ev.packet^.dataLength]);
- if (rMsgId = NTF_SERVER_FILE_INFO) then
- begin
- e_LogWritefln('g_Net_Wait_MapInfo: waiting for map info reply, but got file info reply', []);
- Result := -1;
- exit;
- end
- else if (rMsgId = NTF_SERVER_ABORT) then
- begin
- e_LogWritefln('g_Net_Wait_MapInfo: server aborted transfer', []);
- Result := 2;
- exit;
- end
- else if (rMsgId = NTF_SERVER_MAP_INFO) then
- begin
- e_LogWritefln('g_Net_Wait_MapInfo: creating map info packet...', []);
- if not msg.Init(ev.packet^.data+1, ev.packet^.dataLength-1, True) then exit;
- e_LogWritefln('g_Net_Wait_MapInfo: parsing map info packet (rd=%d; max=%d)...', [msg.ReadCount, msg.MaxSize]);
- resList.Clear();
- // map wad name
- tf.diskName := msg.ReadString();
- e_LogWritefln('g_Net_Wait_MapInfo: map wad is `%s`', [tf.diskName]);
- // map wad md5
- tf.hash := msg.ReadMD5();
- // map wad size
- tf.size := msg.ReadLongInt();
- e_LogWritefln('g_Net_Wait_MapInfo: map wad size is %d', [tf.size]);
- // number of external resources for map
- rc := msg.ReadLongInt();
- if (rc < 0) or (rc > 1024) then
- begin
- e_LogWritefln('g_Net_Wait_Event: invalid number of map external resources (%d)', [rc]);
- Result := -1;
- exit;
- end;
- e_LogWritefln('g_Net_Wait_MapInfo: map external resource count is %d', [rc]);
- // external resource names
- for f := 0 to rc-1 do
- begin
- s := ExtractFileName(msg.ReadString());
- if (length(s) = 0) then
- begin
- Result := -1;
- exit;
- end;
- resList.append(s);
- end;
- e_LogWritefln('g_Net_Wait_MapInfo: got map info', []);
- Result := 0; // success
- exit;
- end
- else
- begin
- e_LogWritefln('g_Net_Wait_Event: invalid server packet type', []);
- Result := -1;
- exit;
- end;
- end;
- end;
- ENET_EVENT_TYPE_DISCONNECT:
- begin
- if (ev.data <= NET_DISC_MAX) then
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' ' + _lc[TStrings_Locale(Cardinal(I_NET_DISC_NONE) + ev.data)], True);
- Result := -1;
- exit;
- end;
- else
- begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' unknown ENet event ' + IntToStr(Ord(ev.kind)), True);
- result := -1;
- exit;
- end;
- end;
- if (freePacket) then begin freePacket := false; enet_packet_destroy(ev.packet); end;
- end;
- ProcessLoading();
- if g_Net_UserRequestExit() then
+ NetPeer := enet_host_connect(NetHost, @NetAddr, NET_CHANS, NET_PROTOCOL_VER);
+
+ if (NetPeer = nil) then
+ begin
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CLIENT], True);
+ enet_host_destroy(NetHost);
+ g_Net_Cleanup;
+ Result := False;
+ Exit;
+ end;
+
+ // предупредить что ждем слишком долго через N секунд
+ TimeoutTime := sys_GetTicks() + NET_CONNECT_TIMEOUT;
+
+ OuterLoop := True;
+ while OuterLoop do
+ begin
+ while (enet_host_service(NetHost, @NetEvent, 0) > 0) do
+ begin
+ if (NetEvent.kind = ENET_EVENT_TYPE_CONNECT) then
begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' user abort', True);
- Result := 1;
- exit;
+ g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_MSG_CLIENT_DONE]);
+ NetMode := NET_CLIENT;
+ NetOut.Clear();
+ enet_peer_timeout(NetPeer, ENET_PEER_TIMEOUT_LIMIT * 2, ENET_PEER_TIMEOUT_MINIMUM * 2, ENET_PEER_TIMEOUT_MAXIMUM * 2);
+ NetClientIP := IP;
+ NetClientPort := Port;
+ if NetDump then
+ g_Net_DumpStart();
+ Exit;
end;
- until false;
- finally
- if (freePacket) then enet_packet_destroy(ev.packet);
+ end;
+
+ T := sys_GetTicks();
+ if T > TimeoutTime then
+ begin
+ TimeoutTime := T + NET_CONNECT_TIMEOUT * 100; // одного предупреждения хватит
+ g_Console_Add(_lc[I_NET_MSG_TIMEOUT_WARN], True);
+ g_Console_Add(Format(_lc[I_NET_MSG_PORTS], [Integer(Port), Integer(NET_PING_PORT)]), True);
+ end;
+
+ ProcessLoading(true);
+
+ if e_KeyPressed(IK_SPACE) or e_KeyPressed(IK_ESCAPE) or e_KeyPressed(VK_ESCAPE) or
+ e_KeyPressed(JOY0_JUMP) or e_KeyPressed(JOY1_JUMP) or e_KeyPressed(JOY2_JUMP) or e_KeyPressed(JOY3_JUMP) then
+ OuterLoop := False;
end;
-end;
+ g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_TIMEOUT], True);
+ g_Console_Add(Format(_lc[I_NET_MSG_PORTS], [Integer(Port), Integer(NET_PING_PORT)]), True);
+ if NetPeer <> nil then enet_peer_reset(NetPeer);
+ if NetHost <> nil then
+ begin
+ enet_host_destroy(NetHost);
+ NetHost := nil;
+ end;
+ g_Net_Cleanup();
+ Result := False;
+end;
-// returns `false` on error or user abort
-// fills:
-// diskName (actually, base name)
-// hash
-// size
-// chunkSize
-// returns:
-// <0 on error
-// 0 on success
-// 1 on user abort
-// 2 on server abort
-// for maps, first `tf.diskName` name will be map wad name, and `tf.hash`/`tf.size` will contain map info
-function g_Net_RequestResFileInfo (resIndex: LongInt; out tf: TNetFileTransfer): Integer;
+function IpToStr(IP: LongWord): string;
var
- ev: ENetEvent;
- rMsgId: Byte;
Ptr: Pointer;
- msg: TMsg;
- freePacket: Boolean = false;
- ct, ett: Int64;
- status: cint;
begin
- // send request
- trans_omsg.Clear();
- trans_omsg.Write(Byte(NTF_CLIENT_FILE_REQUEST));
- trans_omsg.Write(resIndex);
- if not ftransSendClientMsg(trans_omsg) then begin result := -1; exit; end;
+ Ptr := Addr(IP);
+ Result := IntToStr(PByte(Ptr + 0)^) + '.';
+ Result := Result + IntToStr(PByte(Ptr + 1)^) + '.';
+ Result := Result + IntToStr(PByte(Ptr + 2)^) + '.';
+ Result := Result + IntToStr(PByte(Ptr + 3)^);
+end;
- FillChar(ev, SizeOf(ev), 0);
- Result := -1;
- try
- ett := getNewTimeoutEnd();
- repeat
- status := enet_host_service(NetHost, @ev, 300);
- if (status < 0) then
- begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' network error', True);
- Result := -1;
- exit;
- end;
- if (status = 0) then
- begin
- // check for timeout
- ct := GetTimerMS();
- if (ct >= ett) then
- begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' timeout reached', True);
- Result := -1;
- exit;
- end;
- end
- else
+function StrToIp(IPstr: string; var IP: LongWord): Boolean;
+var
+ EAddr: ENetAddress;
+begin
+ Result := enet_address_set_host(@EAddr, PChar(@IPstr[1])) = 0;
+ IP := EAddr.host;
+end;
+
+function g_Net_Client_ByName(Name: string): pTNetClient;
+var
+ a: Integer;
+ pl: TPlayer;
+begin
+ Result := nil;
+ for a := Low(NetClients) to High(NetClients) do
+ if (NetClients[a].Used) and (NetClients[a].State = NET_STATE_GAME) then
+ begin
+ pl := g_Player_Get(NetClients[a].Player);
+ if pl = nil then continue;
+ if Copy(LowerCase(pl.Name), 1, Length(Name)) <> LowerCase(Name) then continue;
+ if NetClients[a].Peer <> nil then
begin
- // some event
- case ev.kind of
- ENET_EVENT_TYPE_RECEIVE:
- begin
- freePacket := true;
- if (ev.channelID <> NET_CHAN_DOWNLOAD_EX) then
- begin
- //e_LogWriteln('g_Net_Wait_Event: skip message from non-transfer channel');
- freePacket := false;
- g_Net_Client_HandlePacket(ev.packet, g_Net_ClientLightMsgHandler);
- if (g_Res_received_map_start < 0) then begin result := -666; exit; end;
- end
- else
- begin
- ett := getNewTimeoutEnd();
- if (ev.packet.dataLength < 1) then
- begin
- e_LogWriteln('g_Net_Wait_Event: invalid server packet (no data)');
- Result := -1;
- exit;
- end;
- Ptr := ev.packet^.data;
- rMsgId := Byte(Ptr^);
- e_LogWritefln('received transfer packet with id %d (%u bytes)', [rMsgId, ev.packet^.dataLength]);
- if (rMsgId = NTF_SERVER_FILE_INFO) then
- begin
- if not msg.Init(ev.packet^.data+1, ev.packet^.dataLength-1, True) then exit;
- tf.hash := msg.ReadMD5();
- tf.size := msg.ReadLongInt();
- tf.chunkSize := msg.ReadLongInt();
- tf.diskName := ExtractFileName(msg.readString());
- if (tf.size < 0) or (tf.chunkSize <> FILE_CHUNK_SIZE) or (length(tf.diskName) = 0) then
- begin
- e_LogWritefln('g_Net_RequestResFileInfo: invalid file info packet', []);
- Result := -1;
- exit;
- end;
- e_LogWritefln('got file info for resource #%d: size=%d; name=%s', [resIndex, tf.size, tf.diskName]);
- Result := 0; // success
- exit;
- end
- else if (rMsgId = NTF_SERVER_ABORT) then
- begin
- e_LogWriteln('g_Net_RequestResFileInfo: server aborted transfer');
- Result := 2;
- exit;
- end
- else if (rMsgId = NTF_SERVER_MAP_INFO) then
- begin
- e_LogWriteln('g_Net_RequestResFileInfo: waiting for map info reply, but got file info reply');
- Result := -1;
- exit;
- end
- else
- begin
- e_LogWriteln('g_Net_RequestResFileInfo: invalid server packet type');
- Result := -1;
- exit;
- end;
- end;
- end;
- ENET_EVENT_TYPE_DISCONNECT:
- begin
- if (ev.data <= NET_DISC_MAX) then
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' ' + _lc[TStrings_Locale(Cardinal(I_NET_DISC_NONE) + ev.data)], True);
- Result := -1;
- exit;
- end;
- else
- begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' unknown ENet event ' + IntToStr(Ord(ev.kind)), True);
- result := -1;
- exit;
- end;
- end;
- if (freePacket) then begin freePacket := false; enet_packet_destroy(ev.packet); end;
+ Result := @NetClients[a];
+ Exit;
end;
- ProcessLoading();
- if g_Net_UserRequestExit() then
+ end;
+end;
+
+function g_Net_Client_ByPlayer(PID: Word): pTNetClient;
+var
+ a: Integer;
+begin
+ Result := nil;
+ for a := Low(NetClients) to High(NetClients) do
+ if (NetClients[a].Used) and (NetClients[a].State = NET_STATE_GAME) then
+ if NetClients[a].Player = PID then
begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' user abort', True);
- Result := 1;
- exit;
+ Result := @NetClients[a];
+ Exit;
end;
- until false;
- finally
- if (freePacket) then enet_packet_destroy(ev.packet);
- end;
end;
-
-function g_Net_AbortResTransfer (var tf: TNetFileTransfer): Boolean;
+function g_Net_ClientName_ByID(ID: Integer): string;
+var
+ a: Integer;
+ pl: TPlayer;
begin
- result := false;
- e_LogWritefln('aborting file transfer...', []);
- // send request
- trans_omsg.Clear();
- trans_omsg.Write(Byte(NTF_CLIENT_ABORT));
- result := ftransSendClientMsg(trans_omsg);
- if result then enet_host_flush(NetHost);
+ Result := '';
+ if ID = NET_EVERYONE then
+ Exit;
+ for a := Low(NetClients) to High(NetClients) do
+ if (NetClients[a].ID = ID) and (NetClients[a].Used) and (NetClients[a].State = NET_STATE_GAME) then
+ begin
+ pl := g_Player_Get(NetClients[a].Player);
+ if pl = nil then Exit;
+ Result := pl.Name;
+ end;
end;
-
-// returns `false` on error or user abort
-// fills:
-// hash
-// size
-// chunkSize
-// returns:
-// <0 on error
-// 0 on success
-// 1 on user abort
-// 2 on server abort
-// for maps, first `tf.diskName` name will be map wad name, and `tf.hash`/`tf.size` will contain map info
-function g_Net_ReceiveResourceFile (resIndex: LongInt; var tf: TNetFileTransfer; strm: TStream): Integer;
+procedure g_Net_SendData(Data: AByte; peer: pENetPeer; Reliable: Boolean; Chan: Byte = NET_CHAN_DOWNLOAD);
var
- ev: ENetEvent;
- rMsgId: Byte;
- Ptr: Pointer;
- msg: TMsg;
- freePacket: Boolean = false;
- ct, ett: Int64;
- status: cint;
- nextChunk: Integer = 0;
- chunkTotal: Integer;
- chunk: Integer;
- csize: Integer;
- buf: PChar = nil;
- resumed: Boolean;
- //stx: Int64;
+ P: pENetPacket;
+ F: enet_uint32;
+ dataLength: Cardinal;
begin
- tf.resumed := false;
- e_LogWritefln('file `%s`, size=%d (%d)', [tf.diskName, Integer(strm.size), tf.size], TMsgType.Notify);
- // check if we should resume downloading
- resumed := (strm.size > tf.chunkSize) and (strm.size < tf.size);
- // send request
- trans_omsg.Clear();
- trans_omsg.Write(Byte(NTF_CLIENT_START));
- if resumed then chunk := strm.size div tf.chunkSize else chunk := 0;
- trans_omsg.Write(LongInt(chunk));
- if not ftransSendClientMsg(trans_omsg) then begin result := -1; exit; end;
-
- strm.Seek(chunk*tf.chunkSize, soFromBeginning);
- chunkTotal := (tf.size+tf.chunkSize-1) div tf.chunkSize;
- e_LogWritefln('receiving file `%s` (%d chunks)', [tf.diskName, chunkTotal], TMsgType.Notify);
- g_Game_SetLoadingText('downloading "'+ExtractFileName(tf.diskName)+'"', chunkTotal, False);
- tf.resumed := resumed;
+ dataLength := Length(Data);
- if (chunk > 0) then g_Game_StepLoading(chunk);
- nextChunk := chunk;
+ if (Reliable) then
+ F := LongWord(ENET_PACKET_FLAG_RELIABLE)
+ else
+ F := 0;
- // wait for reply data
- FillChar(ev, SizeOf(ev), 0);
- Result := -1;
- GetMem(buf, tf.chunkSize);
- try
- ett := getNewTimeoutEnd();
- repeat
- //stx := -GetTimerMS();
- status := enet_host_service(NetHost, @ev, 300);
- if (status < 0) then
- begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' network error', True);
- Result := -1;
- exit;
- end;
- if (status = 0) then
- begin
- // check for timeout
- ct := GetTimerMS();
- if (ct >= ett) then
- begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' timeout reached', True);
- Result := -1;
- exit;
- end;
- end
- else
- begin
- // some event
- case ev.kind of
- ENET_EVENT_TYPE_RECEIVE:
- begin
- freePacket := true;
- if (ev.channelID <> NET_CHAN_DOWNLOAD_EX) then
- begin
- //e_LogWritefln('g_Net_Wait_Event: skip message from non-transfer channel', []);
- freePacket := false;
- g_Net_Client_HandlePacket(ev.packet, g_Net_ClientLightMsgHandler);
- if (g_Res_received_map_start < 0) then begin result := -666; exit; end;
- end
- else
- begin
- //stx := stx+GetTimerMS();
- //e_LogWritefln('g_Net_ReceiveResourceFile: stx=%d', [Integer(stx)]);
- //stx := -GetTimerMS();
- ett := getNewTimeoutEnd();
- if (ev.packet.dataLength < 1) then
- begin
- e_LogWritefln('g_Net_ReceiveResourceFile: invalid server packet (no data)', []);
- Result := -1;
- exit;
- end;
- Ptr := ev.packet^.data;
- rMsgId := Byte(Ptr^);
- if (rMsgId = NTF_SERVER_DONE) then
- begin
- e_LogWritefln('file transfer complete.', []);
- result := 0;
- exit;
- end
- else if (rMsgId = NTF_SERVER_CHUNK) then
- begin
- if not msg.Init(ev.packet^.data+1, ev.packet^.dataLength-1, True) then exit;
- chunk := msg.ReadLongInt();
- csize := msg.ReadLongInt();
- if (chunk <> nextChunk) then
- begin
- e_LogWritefln('received chunk %d, but expected chunk %d', [chunk, nextChunk]);
- Result := -1;
- exit;
- end;
- if (csize < 0) or (csize > tf.chunkSize) then
- begin
- e_LogWritefln('received chunk with size %d, but expected chunk size is %d', [csize, tf.chunkSize]);
- Result := -1;
- exit;
- end;
- //e_LogWritefln('got chunk #%d of #%d (csize=%d)', [chunk, (tf.size+tf.chunkSize-1) div tf.chunkSize, csize]);
- msg.ReadData(buf, csize);
- strm.WriteBuffer(buf^, csize);
- nextChunk := chunk+1;
- g_Game_StepLoading();
- // send ack
- trans_omsg.Clear();
- trans_omsg.Write(Byte(NTF_CLIENT_ACK));
- trans_omsg.Write(LongInt(chunk));
- if not ftransSendClientMsg(trans_omsg) then begin result := -1; exit; end;
- end
- else if (rMsgId = NTF_SERVER_ABORT) then
- begin
- e_LogWritefln('g_Net_ReceiveResourceFile: server aborted transfer', []);
- Result := 2;
- exit;
- end
- else
- begin
- e_LogWritefln('g_Net_ReceiveResourceFile: invalid server packet type', []);
- Result := -1;
- exit;
- end;
- //stx := stx+GetTimerMS();
- //e_LogWritefln('g_Net_ReceiveResourceFile: process stx=%d', [Integer(stx)]);
- end;
- end;
- ENET_EVENT_TYPE_DISCONNECT:
- begin
- if (ev.data <= NET_DISC_MAX) then
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' ' + _lc[TStrings_Locale(Cardinal(I_NET_DISC_NONE) + ev.data)], True);
- Result := -1;
- exit;
- end;
- else
- begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' unknown ENet event ' + IntToStr(Ord(ev.kind)), True);
- result := -1;
- exit;
- end;
- end;
- if (freePacket) then begin freePacket := false; enet_packet_destroy(ev.packet); end;
- end;
- ProcessLoading();
- if g_Net_UserRequestExit() then
- begin
- g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CONN] + ' user abort', True);
- Result := 1;
- exit;
- end;
- until false;
- finally
- FreeMem(buf);
- if (freePacket) then enet_packet_destroy(ev.packet);
+ if (peer <> nil) then
+ begin
+ P := enet_packet_create(@Data[0], dataLength, F);
+ if not Assigned(P) then Exit;
+ enet_peer_send(peer, Chan, P);
+ end
+ else
+ begin
+ P := enet_packet_create(@Data[0], dataLength, F);
+ if not Assigned(P) then Exit;
+ enet_host_broadcast(NetHost, Chan, P);
end;
-end;
+ enet_host_flush(NetHost);
+end;
function g_Net_IsHostBanned(IP: LongWord; Perm: Boolean = False): Boolean;
var
var
F: TextFile;
I: Integer;
+ path: AnsiString;
+begin
+ path := e_GetWriteableDir(DataDirs);
+ if path <> '' then
+ begin
+ path := e_CatPath(path, BANLIST_FILENAME);
+ Assign(F, path);
+ Rewrite(F);
+ if NetBannedHosts <> nil then
+ for I := 0 to High(NetBannedHosts) do
+ if NetBannedHosts[I].Perm and (NetBannedHosts[I].IP > 0) then
+ Writeln(F, IpToStr(NetBannedHosts[I].IP));
+ CloseFile(F)
+ end
+end;
+
+procedure g_Net_Penalize(C: pTNetClient; Reason: string);
+var
+ s: string;
begin
- Assign(F, DataDir + BANLIST_FILENAME);
- Rewrite(F);
- if NetBannedHosts <> nil then
- for I := 0 to High(NetBannedHosts) do
- if NetBannedHosts[I].Perm and (NetBannedHosts[I].IP > 0) then
- Writeln(F, IpToStr(NetBannedHosts[I].IP));
- CloseFile(F);
+ e_LogWritefln('NET: client #%u (cid #%u) triggered a penalty (%d/%d): %s',
+ [C^.ID, C^.Player, C^.Crimes + 1, NetAutoBanLimit, Reason]);
+
+ if (NetAutoBanLimit <= 0) then Exit;
+
+ if (C^.Crimes >= NetAutoBanLimit) then
+ begin
+ // we have tried asking nicely before, now it is time to die
+ e_LogWritefln('NET: client #%u (cid #%u) force kicked',
+ [C^.ID, C^.Player]);
+ g_Net_Host_Disconnect_Client(C^.ID, True);
+ Exit;
+ end;
+
+ Inc(C^.Crimes);
+
+ if (NetAutoBanWarn) then
+ MH_SEND_Chat('You have been warned by the server: ' + Reason, NET_CHAT_SYSTEM, C^.ID);
+
+ if (C^.Crimes >= NetAutoBanLimit) then
+ begin
+ s := '#' + IntToStr(C^.ID); // can't be arsed
+ g_Net_BanHost(C^.Peer^.address.host, NetAutoBanPerm);
+ enet_peer_disconnect(C^.Peer, NET_DISC_BAN);
+ g_Console_Add(Format(_lc[I_PLAYER_BAN], [s]));
+ MH_SEND_GameEvent(NET_EV_PLAYER_BAN, 0, s);
+ g_Net_Slist_ServerPlayerLeaves();
+ end;
end;
procedure g_Net_DumpStart();
begin
if NetMode = NET_SERVER then
- NetDumpFile := createDiskFile(NETDUMP_FILENAME + '_server')
+ NetDumpFile := e_CreateResource(LogDirs, NETDUMP_FILENAME + '_server')
else
- NetDumpFile := createDiskFile(NETDUMP_FILENAME + '_client');
+ NetDumpFile := e_CreateResource(LogDirs, NETDUMP_FILENAME + '_client');
end;
procedure g_Net_DumpSendBuffer();
begin
Result := False;
- if NetPortForwarded = NetPort then
+ if NetHost = nil then
+ exit;
+
+ if NetPortForwarded = NetHost.address.port then
begin
Result := True;
exit;
exit;
end;
- StrPort := IntToStr(NetPort);
+ StrPort := IntToStr(NetHost.address.port);
I := UPNP_AddPortMapping(
Urls.controlURL, Addr(data.first.servicetype[1]),
PChar(StrPort), PChar(StrPort), Addr(LanAddr[0]), PChar('D2DF'),
if I <> 0 then
begin
- conwritefln('forwarding port %d failed: error %d', [NetPort, I]);
+ conwritefln('forwarding port %d failed: error %d', [NetHost.address.port, I]);
FreeUPNPDevList(DevList);
FreeUPNPUrls(@Urls);
exit;
if I <> 0 then
begin
- conwritefln('forwarding port %d failed: error %d', [NetPort + 1, I]);
+ conwritefln('forwarding port %d failed: error %d', [NET_PING_PORT, I]);
NetPongForwarded := False;
end
else
begin
- conwritefln('forwarded port %d successfully', [NetPort + 1]);
+ conwritefln('forwarded port %d successfully', [NET_PING_PORT]);
NetPongForwarded := True;
end;
end;
- conwritefln('forwarded port %d successfully', [NetPort]);
+ conwritefln('forwarded port %d successfully', [NetHost.address.port]);
NetIGDControl := AnsiString(Urls.controlURL);
NetIGDService := data.first.servicetype;
- NetPortForwarded := NetPort;
+ NetPortForwarded := NetHost.address.port;
FreeUPNPDevList(DevList);
FreeUPNPUrls(@Urls);
if NetPongForwarded then
begin
NetPongForwarded := False;
- StrPort := IntToStr(NetPortForwarded + 1);
+ StrPort := IntToStr(NET_PING_PORT);
I := UPNP_DeletePortMapping(
PChar(NetIGDControl), Addr(NetIGDService[1]),
PChar(StrPort), PChar('UDP'), nil
);
- conwritefln(' port %d: %d', [NetPortForwarded + 1, I]);
+ conwritefln(' port %d: %d', [NET_PING_PORT, I]);
end;
NetPortForwarded := 0;
end;
{$ENDIF}
+procedure NetServerCVars(P: SSArray);
+var
+ cmd, s: string;
+ a, b: Integer;
+begin
+ cmd := LowerCase(P[0]);
+ case cmd of
+ 'sv_name':
+ begin
+ if (Length(P) > 1) and (Length(P[1]) > 0) then
+ begin
+ NetServerName := P[1];
+ if Length(NetServerName) > 64 then
+ SetLength(NetServerName, 64);
+ g_Net_Slist_ServerRenamed();
+ end;
+ g_Console_Add(cmd + ' "' + NetServerName + '"');
+ end;
+ 'sv_passwd':
+ begin
+ if (Length(P) > 1) and (Length(P[1]) > 0) then
+ begin
+ NetPassword := P[1];
+ if Length(NetPassword) > 24 then
+ SetLength(NetPassword, 24);
+ g_Net_Slist_ServerRenamed();
+ end;
+ g_Console_Add(cmd + ' "' + AnsiLowerCase(NetPassword) + '"');
+ end;
+ 'sv_maxplrs':
+ begin
+ if (Length(P) > 1) then
+ begin
+ NetMaxClients := nclamp(StrToIntDef(P[1], NetMaxClients), 1, NET_MAXCLIENTS);
+ if g_Game_IsServer and g_Game_IsNet then
+ begin
+ b := 0;
+ for a := 0 to High(NetClients) do
+ begin
+ if NetClients[a].Used then
+ begin
+ Inc(b);
+ if b > NetMaxClients then
+ begin
+ s := g_Player_Get(NetClients[a].Player).Name;
+ enet_peer_disconnect(NetClients[a].Peer, NET_DISC_FULL);
+ g_Console_Add(Format(_lc[I_PLAYER_KICK], [s]));
+ MH_SEND_GameEvent(NET_EV_PLAYER_KICK, 0, s);
+ end;
+ end;
+ end;
+ g_Net_Slist_ServerRenamed();
+ end;
+ end;
+ g_Console_Add(cmd + ' ' + IntToStr(NetMaxClients));
+ end;
+ 'sv_public':
+ begin
+ if (Length(P) > 1) then
+ begin
+ NetUseMaster := StrToIntDef(P[1], Byte(NetUseMaster)) <> 0;
+ if NetUseMaster then g_Net_Slist_Public() else g_Net_Slist_Private();
+ end;
+ g_Console_Add(cmd + ' ' + IntToStr(Byte(NetUseMaster)));
+ end;
+ 'sv_port':
+ begin
+ if (Length(P) > 1) then
+ begin
+ if not g_Game_IsNet then
+ NetPort := nclamp(StrToIntDef(P[1], NetPort), 0, $FFFF)
+ else
+ g_Console_Add(_lc[I_MSG_NOT_NETGAME]);
+ end;
+ g_Console_Add(cmd + ' ' + IntToStr(Ord(NetUseMaster)));
+ end;
+ end;
+end;
+
initialization
conRegVar('cl_downloadtimeout', @g_Net_DownloadTimeout, 0.0, 1000000.0, '', 'timeout in seconds, 0 to disable it');
+ conRegVar('cl_predictself', @NetPredictSelf, '', 'predict local player');
+ conRegVar('cl_forceplayerupdate', @NetForcePlayerUpdate, '', 'update net players on NET_MSG_PLRPOS');
+ conRegVar('cl_interp', @NetInterpLevel, '', 'net player interpolation steps');
+ conRegVar('cl_last_ip', @NetClientIP, '', 'address of the last you have connected to');
+ conRegVar('cl_last_port', @NetClientPort, '', 'port of the last server you have connected to');
+ conRegVar('cl_deafen', @NetDeafLevel, '', 'filter server messages (0-3)');
+
+ conRegVar('sv_forwardports', @NetForwardPorts, '', 'forward server port using miniupnpc (requires server restart)');
+ conRegVar('sv_rcon', @NetAllowRCON, '', 'enable remote console');
+ conRegVar('sv_rcon_password', @NetRCONPassword, '', 'remote console password');
+ conRegVar('sv_update_interval', @NetUpdateRate, '', 'unreliable update interval');
+ conRegVar('sv_reliable_interval', @NetRelupdRate, '', 'reliable update interval');
+ conRegVar('sv_master_interval', @NetMasterRate, '', 'master server update interval');
+
+ conRegVar('sv_autoban_threshold', @NetAutoBanLimit, '', 'max crimes before autoban (0 = no autoban)');
+ conRegVar('sv_autoban_permanent', @NetAutoBanPerm, '', 'whether autobans are permanent');
+ conRegVar('sv_autoban_warn', @NetAutoBanWarn, '', 'send warnings to the client when he triggers penalties');
+
+ conRegVar('sv_auth_timeout', @NetAuthTimeout, '', 'number of msec in which connecting clients must complete auth (0 = unlimited)');
+ conRegVar('sv_packet_timeout', @NetPacketTimeout, '', 'number of msec the client must idle to be kicked (0 = unlimited)');
+
+ conRegVar('net_master_list', @NetMasterList, '', 'list of master servers');
+
SetLength(NetClients, 0);
g_Net_DownloadTimeout := 60;
NetIn.Alloc(NET_BUFSIZE);