index 0b9e546f8100966a36906c5af11c36c986a6e41b..8827515a57df2511acd331f678278cac7fe96e6b 100644 (file)
--- a/src/game/g_netmaster.pas
+++ b/src/game/g_netmaster.pas
NET_MMSG_DEL = 201;
NET_MMSG_GET = 202;
+const
+ // all timeouts in seconds
+ NMASTER_TIMEOUT_CONNECT = 3; // 3 seconds
+ NMASTER_TIMEOUT_RECONNECT = 5*60; // 5 minutes
+ //NMASTER_TIMEOUT_RECONNECT = 30; // 5 minutes
+ //NMASTER_FORCE_UPDATE_TIMEOUT = 20;
+ //NMASTER_FORCE_UPDATE_TIMEOUT = 0;
+
type
TNetServer = record
Number: Byte;
TMasterHost = record
public
hostName: AnsiString;
- hostPort: Word;
public
peer: pENetPeer;
NetHostConnected: Boolean;
NetHostConReqTime: Int64; // to timeout `connect`; -1 means "waiting for shutdown"
NetUpdatePending: Boolean; // should we send an update after connection completes?
- updateSent: Boolean;
+ lastDisconnectTime: Int64; // last real disconnect time; <0: do not reconnect
+ updateSent: Boolean; // was at least one update sent? (used to decide if we should call `remove()`)
lastUpdateTime: Int64;
// server list request working flags
srvAnswered: Integer;
slMOTD: AnsiString;
slUrgent: AnsiString;
slReadUrgent: Boolean;
+ // temporary mark
+ justAdded: Boolean;
+ connectCount: Integer;
private
netmsg: TMsg;
public
- constructor Create (hostandport: AnsiString);
+ constructor Create (var ea: ENetAddress);
procedure clear ();
- function setAddress (hostandport: AnsiString): Boolean;
-
- function isSameAddress (hostandport: AnsiString): Boolean;
+ function setAddress (var ea: ENetAddress; hostStr: AnsiString): Boolean;
function isValid (): Boolean;
function isAlive (): Boolean; // not disconnected
slMOTD: AnsiString = '';
slUrgent: AnsiString = '';
+ NMASTER_FORCE_UPDATE_TIMEOUT: Integer = 0; // fuck you, fpc, and your idiotic "diagnostics"
+
-procedure g_Net_Slist_Set (IP: AnsiString; Port: Word);
+procedure g_Net_Slist_Set (list: AnsiString);
function g_Net_Slist_Fetch (var SL: TNetServerList): Boolean;
// make this server private
// this server renamed (or password mode changed, or other params changed)
procedure g_Net_Slist_ServerRenamed ();
+// non-zero timeout ignores current status (used to fetch server list)
procedure g_Net_Slist_Pulse (timeout: Integer=0);
+procedure g_Net_Slist_ShutdownAll ();
+
procedure g_Serverlist_GenerateTable (SL: TNetServerList; var ST: TNetServerTable);
procedure g_Serverlist_Draw (var SL: TNetServerList; var ST: TNetServerTable);
procedure g_Serverlist_Control (var SL: TNetServerList; var ST: TNetServerTable);
uses
e_input, e_graphics, e_log, g_window, g_net, g_console,
g_map, g_game, g_sound, g_gui, g_menu, g_options, g_language, g_basic,
- wadreader, g_system, utils;
+ wadreader, g_system, utils, hashtable;
-// if g_Game_IsServer and g_Game_IsNet and NetUseMaster then
-// make this server private
-procedure g_Net_Slist_Private ();
+// ////////////////////////////////////////////////////////////////////////// //
+var
+ NetMHost: pENetHost = nil;
+ NetMEvent: ENetEvent;
+ mlist: array of TMasterHost = nil;
+
+ slSelection: Byte = 0;
+ slFetched: Boolean = False;
+ slDirPressed: Boolean = False;
+ slReadUrgent: Boolean = False;
+
+ reportsEnabled: Boolean = true;
+
+
+//==========================================================================
+//
+// GetTimerMS
+//
+//==========================================================================
+function GetTimerMS (): Int64;
begin
+ Result := sys_GetTicks() {div 1000};
end;
-// make this server public
-procedure g_Net_Slist_Public ();
+
+//==========================================================================
+//
+// findByPeer
+//
+//==========================================================================
+function findByPeer (peer: pENetPeer): Integer;
+var
+ f: Integer;
begin
+ for f := 0 to High(mlist) do if (mlist[f].peer = peer) then begin result := f; exit; end;
+ result := -1;
end;
-// called while the server is running
-procedure g_Net_Slist_ServerUpdate ();
+
+//==========================================================================
+//
+// ShutdownAll
+//
+//==========================================================================
+procedure g_Net_Slist_ShutdownAll ();
+var
+ f, sres, idx: Integer;
+ stt, ct: Int64;
+ activeCount: Integer = 0;
begin
+ if (NetMHost = nil) then exit;
+ for f := 0 to High(mlist) do
+ begin
+ if (mlist[f].isAlive()) then
+ begin
+ Inc(activeCount);
+ if (mlist[f].isConnected() and mlist[f].updateSent) then
+ begin
+ writeln('unregistering from [', mlist[f].hostName, ']');
+ mlist[f].remove();
+ end;
+ //mlist[f].disconnect(false);
+ enet_peer_disconnect_later(mlist[f].peer, 0);
+ end;
+ end;
+ if (activeCount = 0) then exit;
+ stt := GetTimerMS();
+ while (activeCount > 0) do
+ begin
+ ct := GetTimerMS();
+ if (ct < stt) or (ct-stt >= 1500) then break;
+
+ // 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.
+ sres := enet_host_service(NetMHost, @NetMEvent, 100);
+ // if (sres < 0) then break;
+ if (sres <= 0) then continue;
+
+ idx := findByPeer(NetMEvent.peer);
+ if (idx < 0) then
+ begin
+ if (NetMEvent.kind = ENET_EVENT_TYPE_RECEIVE) then enet_packet_destroy(NetMEvent.packet);
+ continue;
+ end;
+
+ if (NetMEvent.kind = ENET_EVENT_TYPE_CONNECT) then
+ begin
+ mlist[idx].connectedEvent();
+ //mlist[idx].disconnect(false);
+ enet_peer_disconnect(mlist[f].peer, 0);
+ end
+ else if (NetMEvent.kind = ENET_EVENT_TYPE_DISCONNECT) then
+ begin
+ mlist[idx].disconnectedEvent();
+ Dec(activeCount);
+ end
+ else if (NetMEvent.kind = ENET_EVENT_TYPE_RECEIVE) then
+ begin
+ mlist[idx].receivedEvent(NetMEvent.packet);
+ enet_packet_destroy(NetMEvent.packet);
+ end;
+ end;
+ enet_host_destroy(NetMHost);
+ NetMHost := nil;
end;
-// called when the server is started
-procedure g_Net_Slist_ServerStarted ();
+
+//==========================================================================
+//
+// DisconnectAll
+//
+//==========================================================================
+procedure DisconnectAll (forced: Boolean=false);
+var
+ f: Integer;
begin
+ for f := 0 to High(mlist) do
+ begin
+ if (mlist[f].isAlive()) then mlist[f].disconnect(forced);
+ end;
end;
-// called when the server is stopped
-procedure g_Net_Slist_ServerClosed ();
+
+//==========================================================================
+//
+// ConnectAll
+//
+//==========================================================================
+procedure ConnectAll (sendUpdate: Boolean);
+var
+ f: Integer;
begin
+ // set flags; pulse will take care of the rest
+ for f := 0 to High(mlist) do
+ begin
+ // force reconnect
+ mlist[f].lastDisconnectTime := 0;
+ // force updating
+ if (sendUpdate) then
+ begin
+ mlist[f].NetUpdatePending := true;
+ mlist[f].lastUpdateTime := 0;
+ end;
+ end;
end;
-// called when new netword player comes
-procedure g_Net_Slist_ServerPlayerComes ();
+
+//==========================================================================
+//
+// UpdateAll
+//
+//==========================================================================
+procedure UpdateAll (force: Boolean);
+var
+ f: Integer;
begin
+ // set flags; pulse will take care of the rest
+ for f := 0 to High(mlist) do
+ begin
+ if (not mlist[f].isAlive()) then continue;
+ mlist[f].NetUpdatePending := true;
+ if (force) then mlist[f].lastUpdateTime := 0;
+ end;
end;
-// called when new netword player comes
-procedure g_Net_Slist_ServerPlayerLeaves ();
+
+//**************************************************************************
+//
+// public api
+//
+//**************************************************************************
+
+//==========================================================================
+//
+// g_Net_Slist_Private
+//
+// make this server private
+//
+//==========================================================================
+procedure g_Net_Slist_Private ();
begin
+ DisconnectAll();
+ reportsEnabled := false;
end;
-// started new map
-procedure g_Net_Slist_ServerMapStarted ();
+
+//==========================================================================
+//
+// g_Net_Slist_Public
+//
+// make this server public
+//
+//==========================================================================
+procedure g_Net_Slist_Public ();
begin
+ if (not reportsEnabled) then
+ begin
+ reportsEnabled := true;
+ ConnectAll(true);
+ end;
end;
-// this server renamed (or password mode changed, or other params changed)
-procedure g_Net_Slist_ServerRenamed ();
+
+//==========================================================================
+//
+// g_Net_Slist_ServerUpdate
+//
+// called while the server is running
+//
+//==========================================================================
+procedure g_Net_Slist_ServerUpdate ();
begin
+ UpdateAll(false);
end;
-// ////////////////////////////////////////////////////////////////////////// //
+// called when the server is started
+procedure g_Net_Slist_ServerStarted ();
+begin
+ reportsEnabled := NetUseMaster;
+ if reportsEnabled and g_Game_IsServer() and g_Game_IsNet() then
+ begin
+ writeln('*** server started; reporting to master...');
+ ConnectAll(true);
+ end;
+end;
+
+
+//==========================================================================
+//
+// g_Net_Slist_ServerClosed
+//
+// called when the server is stopped
+//
+//==========================================================================
+procedure g_Net_Slist_ServerClosed ();
var
- NetMHost: pENetHost = nil;
- NetMEvent: ENetEvent;
- mlist: array of TMasterHost = nil;
+ f: Integer;
+begin
+ if reportsEnabled then
+ begin
+ reportsEnabled := false;
+ for f := 0 to High(mlist) do
+ begin
+ if (mlist[f].isConnected()) then mlist[f].remove();
+ end;
+ end;
+ DisconnectAll();
+end;
- slSelection: Byte = 0;
- slFetched: Boolean = False;
- slDirPressed: Boolean = False;
- slReadUrgent: Boolean = False;
+
+//==========================================================================
+//
+// g_Net_Slist_ServerPlayerComes
+//
+// called when new netword player comes
+//
+//==========================================================================
+procedure g_Net_Slist_ServerPlayerComes ();
+begin
+ UpdateAll(true);
+end;
//==========================================================================
//
-// GetTimerMS
+// g_Net_Slist_ServerPlayerLeaves
+//
+// called when new netword player comes
//
//==========================================================================
-function GetTimerMS (): Int64;
+procedure g_Net_Slist_ServerPlayerLeaves ();
begin
- Result := sys_GetTicks() {div 1000};
+ UpdateAll(true);
end;
//==========================================================================
//
-// findByPeer
+// g_Net_Slist_ServerMapStarted
+//
+// started new map
//
//==========================================================================
-function findByPeer (peer: pENetPeer): Integer;
-var
- f: Integer;
+procedure g_Net_Slist_ServerMapStarted ();
begin
- for f := 0 to High(mlist) do if (mlist[f].peer = peer) then begin result := f; exit; end;
- result := -1;
+ UpdateAll(true);
end;
+//==========================================================================
+//
+// g_Net_Slist_ServerRenamed
+//
+// this server renamed (or password mode changed, or other params changed)
+//
+//==========================================================================
+procedure g_Net_Slist_ServerRenamed ();
+begin
+ UpdateAll(true);
+end;
+
+
+//**************************************************************************
+//
+// TMasterHost
+//
+//**************************************************************************
+
//==========================================================================
//
// TMasterHost.Create
//
//==========================================================================
-constructor TMasterHost.Create (hostandport: AnsiString);
+constructor TMasterHost.Create (var ea: ENetAddress);
begin
peer := nil;
NetHostConnected := false;
NetHostConReqTime := 0;
NetUpdatePending := false;
+ lastDisconnectTime := 0;
updateSent := false;
+ lastUpdateTime := 0;
hostName := '';
- hostPort := 25665;
+ ZeroMemory(@enetAddr, sizeof(enetAddr));
SetLength(srvAnswer, 0);
srvAnswered := 0;
slMOTD := '';
slUrgent := '';
slReadUrgent := true;
+ justAdded := false;
+ connectCount := 0;
netmsg.Alloc(NET_BUFSIZE);
- setAddress(hostandport);
+ setAddress(ea, '');
end;
updateSent := false; // do not send 'remove'
disconnect(true);
hostName := '';
- hostPort := 25665;
netmsg.Free();
SetLength(srvAnswer, 0);
srvAnswered := 0;
slMOTD := '';
slUrgent := '';
slReadUrgent := true;
-end;
-
-
-//==========================================================================
-//
-// TMasterHost.isSameAddress
-//
-//==========================================================================
-function TMasterHost.isSameAddress (hostandport: AnsiString): Boolean;
-var
- cp, pp: Integer;
- hn: AnsiString;
-begin
- result := false;
- if not isValid() then exit;
- hostandport := Trim(hostandport);
- if (length(hostandport) = 0) then exit;
- hn := hostandport;
- cp := Pos(':', hostandport);
- if (cp > 0) then
- begin
- hn := Copy(hostandport, 1, cp-1);
- Delete(hostandport, 1, cp);
- if (length(hostandport) > 0) then
- begin
- try
- pp := StrToInt(hostandport);
- except
- pp := -1;
- end;
- end;
- end
- else
- begin
- pp := 25665;
- end;
- result := strEquCI1251(hn, hostName) and (hostPort = pp);
+ ZeroMemory(@enetAddr, sizeof(enetAddr));
end;
// TMasterHost.setAddress
//
//==========================================================================
-function TMasterHost.setAddress (hostandport: AnsiString): Boolean;
-var
- cp, pp: Integer;
+function TMasterHost.setAddress (var ea: ENetAddress; hostStr: AnsiString): Boolean;
begin
result := false;
SetLength(srvAnswer, 0);
updateSent := false; // do not send 'remove'
disconnect(true);
hostName := '';
- hostPort := 25665;
if (not g_Net_IsNetworkAvailable()) then exit;
- hostandport := Trim(hostandport);
- if (length(hostandport) > 0) then
- begin
- hostName := hostandport;
- cp := Pos(':', hostandport);
- if (cp > 0) then
- begin
- hostName := Copy(hostandport, 1, cp-1);
- Delete(hostandport, 1, cp);
- if (length(hostandport) > 0) then
- begin
- try
- pp := StrToInt(hostandport);
- except
- pp := -1;
- end;
- if (pp > 0) and (pp < 65536) then hostPort := pp else hostPort := 0;
- end;
- end;
- end;
-
- if not isValid() then exit;
+ enetAddr := ea;
+ if (enetAddr.host = 0) or (enetAddr.port = 0) then exit;
- if (enet_address_set_host(@enetAddr, PChar(Addr(hostName[1]))) <> 0) then
- begin
- writeln('SHIT!');
- hostName := '';
- hostPort := 0;
- end;
- enetAddr.Port := hostPort;
+ if (length(hostStr) > 0) then hostName := hostStr else hostName := IntToStr(enetAddr.host)+':'+IntToStr(ea.port);
result := isValid();
- //writeln('*********************: ', hostandport, ' [', hostName, ':', hostPort, '] ', result);
end;
//==========================================================================
function TMasterHost.isValid (): Boolean;
begin
- result := (length(hostName) > 0) and (hostPort > 0);
+ result := (enetAddr.host <> 0) and (enetAddr.port <> 0);
end;
if not isAlive() then exit;
if NetHostConnected then exit;
NetHostConnected := true;
- e_LogWritefln('connected to master at [%s:%u]', [hostName, hostPort], TMsgType.Notify);
+ NetHostConReqTime := 0; // just in case
+ e_LogWritefln('connected to master at [%s]', [hostName], TMsgType.Notify);
+ //g_Console_Add(Format(_lc[I_NET_MSG]+_lc[I_NET_SLIST_CONN], [mlist[f].hostName]));
end;
procedure TMasterHost.disconnectedEvent ();
begin
if not isAlive() then exit;
- e_LogWritefln('disconnected from master at [%s:%u]', [hostName, hostPort], TMsgType.Notify);
+ e_LogWritefln('disconnected from master at [%s]', [hostName], TMsgType.Notify);
disconnect(true);
- //if (spamConsole) then g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_SLIST_DISC]);
+ //if (spamConsole) then g_Console_Add(Format(_lc[I_NET_MSG]+_lc[I_NET_SLIST_DISC], [hostName]));
end;
f: Integer;
s: AnsiString;
begin
- e_LogWritefln('received packed from master at [%s:%u]', [hostName, hostPort], TMsgType.Notify);
+ e_LogWritefln('received packed from master at [%s]', [hostName], TMsgType.Notify);
if not msg.Init(pkt^.data, pkt^.dataLength, True) then exit;
// packet type
MID := msg.ReadByte();
if (MID <> NET_MMSG_GET) then exit;
- e_LogWritefln('received list packet from master at [%s:%u]', [hostName, hostPort], TMsgType.Notify);
+ e_LogWritefln('received list packet from master at [%s]', [hostName], TMsgType.Notify);
SetLength(srvAnswer, 0);
if (srvAnswered > 0) then Inc(srvAnswered);
slMOTD := '';
slReadUrgent := true;
// number of items
Cnt := msg.ReadByte();
- g_Console_Add(_lc[I_NET_MSG]+Format(_lc[I_NET_SLIST_RETRIEVED], [Cnt]), True);
+ //g_Console_Add(_lc[I_NET_MSG]+Format(_lc[I_NET_SLIST_RETRIEVED], [Cnt, hostName]), True);
+ e_LogWritefln('got %u server(s) from master at [%s]', [Cnt, hostName], TMsgType.Notify);
if (Cnt > 0) then
begin
SetLength(srvAnswer, Cnt);
if (msg.ReadCount < msg.CurSize) then
begin
slMOTD := b_Text_Format(msg.ReadString());
+ if (slMOTD <> '') then e_LogWritefln('got MOTD from master at [%s]: %s', [hostName, slMOTD], TMsgType.Notify);
s := b_Text_Format(msg.ReadString());
// check if the message has updated and the user has to read it again
if (slUrgent <> s) then slReadUrgent := false;
slUrgent := s;
+ if (s <> '') then e_LogWritefln('got urgent from master at [%s]: %s', [hostName, s], TMsgType.Notify);
end;
end;
end;
//==========================================================================
//
-// TMasterHost.pulse
-//
-// this performs various scheduled tasks, if necessary
+// TMasterHost.disconnect
//
//==========================================================================
-procedure TMasterHost.pulse ();
-var
- ct: Int64;
+procedure TMasterHost.disconnect (forced: Boolean);
begin
- if not isAlive() then exit;
- if (NetHostConReqTime = -1) then exit; // waiting for shutdown (disconnect in progress)
- // process pending connection timeout
- if (not NetHostConnected) then
+ if isAlive() then
begin
- ct := GetTimerMS();
- if (ct < NetHostConReqTime) or (ct-NetHostConReqTime >= 3000) then
+ lastDisconnectTime := GetTimerMS();
+ if forced or (not NetHostConnected) or (NetHostConReqTime = -1) then
begin
- e_LogWritefln('failed to connect to master at [%s:%u]', [hostName, hostPort], TMsgType.Notify);
- // do not spam with error messages, it looks like the master is down
- //g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_SLIST_ERROR], True);
- enet_peer_disconnect(peer, 0);
+ enet_peer_reset(peer);
+ peer := nil;
+ NetHostConReqTime := 0;
+ updateSent := false;
+ end
+ else
+ begin
+ enet_peer_disconnect_later(peer, 0);
// main pulse will take care of the rest
+ NetHostConReqTime := -1;
end;
- exit;
- end;
-end;
-
-
-//==========================================================================
-//
-// TMasterHost.disconnect
-//
-//==========================================================================
-procedure TMasterHost.disconnect (forced: Boolean);
-begin
- if not isAlive() then exit;
- //if (NetMode = NET_SERVER) and isConnected() and updateSent then remove();
-
- if (forced) then
- begin
- enet_peer_reset(peer);
- peer := nil;
- NetHostConReqTime := 0;
end
else
begin
- enet_peer_disconnect_later(peer, 0);
- // main pulse will take care of the rest
- NetHostConReqTime := -1;
+ // just in case
+ NetHostConReqTime := 0;
+ updateSent := false;
end;
NetHostConnected := false;
NetUpdatePending := false;
- updateSent := false;
- //if (spamConsole) then g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_SLIST_DISC]);
+ lastUpdateTime := 0;
+ //if (spamConsole) then g_Console_Add(Format(_lc[I_NET_MSG]+_lc[I_NET_SLIST_DISC], [hostName]));
end;
if (NetHostConReqTime = -1) then
begin
disconnect(true);
+ if (NetHostConReqTime = -1) then e_LogWritefln('ketmar broke master [%s] logic! (000)', [hostName], TMsgType.Notify);
+ if (isAlive()) then e_LogWritefln('ketmar broke master [%s] logic! (001)', [hostName], TMsgType.Notify);
end
else
begin
if isAlive() then begin result := true; exit; end;
end;
+ lastDisconnectTime := GetTimerMS(); // why not?
SetLength(srvAnswer, 0);
srvAnswered := 0;
NetHostConnected := false;
NetHostConReqTime := 0;
NetUpdatePending := false;
updateSent := false;
+ lastUpdateTime := 0;
+ Inc(connectCount);
peer := enet_host_connect(NetMHost, @enetAddr, NET_MCHANS, 0);
if (peer = nil) then
exit;
end;
- NetHostConReqTime := GetTimerMS();
- e_LogWritefln('connecting to master at [%s:%u]', [hostName, hostPort], TMsgType.Notify);
+ NetHostConReqTime := lastDisconnectTime;
+ e_LogWritefln('connecting to master at [%s]', [hostName], TMsgType.Notify);
end;
end;
netmsg.Clear();
- try
- netmsg.Write(Byte(NET_MMSG_UPD));
- netmsg.Write(NetAddr.port);
- writeInfo(netmsg);
+ if reportsEnabled and g_Game_IsServer() and g_Game_IsNet() and NetUseMaster then
+ begin
+ try
+ netmsg.Write(Byte(NET_MMSG_UPD));
+ netmsg.Write(NetAddr.port);
+ //writeln(formatstrf('%08x', [NetAddr.host]), ' : ', NetAddr.host);
- pkt := enet_packet_create(netmsg.Data, netmsg.CurSize, ENET_PACKET_FLAG_RELIABLE);
- if assigned(pkt) then
- begin
- if (enet_peer_send(peer, NET_MCHAN_UPD, pkt) = 0) then NetUpdatePending := false;
+ writeInfo(netmsg);
+
+ pkt := enet_packet_create(netmsg.Data, netmsg.CurSize, ENET_PACKET_FLAG_RELIABLE);
+ if assigned(pkt) then
+ begin
+ if (enet_peer_send(peer, NET_MCHAN_UPD, pkt) = 0) then
+ begin
+ e_LogWritefln('sent update to master at [%s]', [hostName], TMsgType.Notify);
+ NetUpdatePending := false;
+ updateSent := true;
+ end;
+ end;
+ finally
+ netmsg.Clear();
end;
- finally
- netmsg.Clear();
+ end
+ else
+ begin
+ NetUpdatePending := false;
end;
end;
pkt: pENetPacket;
begin
NetUpdatePending := false;
+ lastUpdateTime := 0;
+ updateSent := false;
if not isAlive() then exit;
if not isConnected() then exit;
end;
+//==========================================================================
+//
+// TMasterHost.pulse
+//
+// this performs various scheduled tasks, if necessary
+//
+//==========================================================================
+procedure TMasterHost.pulse ();
+var
+ ct: Int64;
+ mrate: Cardinal;
+begin
+ if not isAlive() then exit;
+ if (NetHostConReqTime = -1) then exit; // waiting for shutdown (disconnect in progress)
+ ct := GetTimerMS();
+ // process pending connection timeout
+ if (not NetHostConnected) then
+ begin
+ if (ct < NetHostConReqTime) or (ct-NetHostConReqTime >= 1000*NMASTER_TIMEOUT_CONNECT) then
+ begin
+ e_LogWritefln('failed to connect to master at [%s]', [hostName], TMsgType.Notify);
+ // do not spam with error messages, it looks like the master is down
+ //g_Console_Add(_lc[I_NET_MSG_ERROR] + _lc[I_NET_SLIST_ERROR], True);
+ disconnect(true);
+ end;
+ exit;
+ end;
+ // send update, if necessary
+ if (NetUpdatePending) then
+ begin
+ mrate := NetMasterRate;
+ if (mrate < 10000) then mrate := 10000
+ else if (mrate > 1000*60*10) then mrate := 1000*60*10;
+ if (NMASTER_FORCE_UPDATE_TIMEOUT > 0) then mrate := NMASTER_FORCE_UPDATE_TIMEOUT*1000;
+ if (lastUpdateTime = 0) or (ct < lastUpdateTime) or (ct-lastUpdateTime >= mrate) then
+ begin
+ //e_LogWritefln('update timeout: %d', [Integer(mrate)], TMsgType.Notify);
+ lastUpdateTime := ct;
+ update();
+ end;
+ end;
+end;
+
+
//**************************************************************************
//
// other functions
//
//**************************************************************************
+type
+ THashStrDWord = specialize THashBase<AnsiString, LongWord, THashKeyStrAnsiCI>;
+
+var
+ knownHosts: THashStrDWord = nil;
+
+
+//==========================================================================
+//
+// parseAddressPort
+//
+//==========================================================================
+function parseAddressPort (var ea: ENetAddress; hostandport: AnsiString): Boolean;
+var
+ cp, port: Integer;
+ hostName: AnsiString;
+ ip: LongWord;
+begin
+ result := false;
+ if (not g_Net_IsNetworkAvailable()) then exit;
+
+ hostandport := Trim(hostandport);
+ if (length(hostandport) = 0) then exit;
+
+ hostName := hostandport;
+ port := 25665;
+
+ cp := Pos(':', hostandport);
+ if (cp > 0) then
+ begin
+ hostName := Trim(Copy(hostandport, 1, cp-1));
+ Delete(hostandport, 1, cp);
+ hostandport := Trim(hostandport);
+ if (length(hostandport) > 0) then
+ begin
+ try
+ port := StrToInt(hostandport);
+ except
+ port := -1;
+ end;
+ end;
+ end;
+
+ if (length(hostName) = 0) then exit;
+ if (port < 1) or (port > 65535) then exit;
+
+ if not assigned(knownHosts) then knownHosts := THashStrDWord.Create();
+
+ if knownHosts.get(hostName, ip) then
+ begin
+ ea.host := ip;
+ end
+ else
+ begin
+ if (enet_address_set_host(@ea, PChar(Addr(hostName[1]))) <> 0) then
+ begin
+ knownHosts.put(hostName, 0);
+ exit;
+ end;
+ knownHosts.put(hostName, ea.host);
+ end;
+ ea.Port := port;
+ result := true;
+end;
-procedure g_Net_Slist_Set (IP: AnsiString; Port: Word);
+
+//==========================================================================
+//
+// addMasterRecord
+//
+//==========================================================================
+procedure addMasterRecord (var ea: ENetAddress; sa: AnsiString);
var
f: Integer;
+ freeIdx: Integer;
+begin
+ freeIdx := -1;
+ for f := 0 to High(mlist) do
+ begin
+ if (mlist[f].enetAddr.host = ea.host) and (mlist[f].enetAddr.port = ea.port) then
+ begin
+ mlist[f].justAdded := true;
+ exit;
+ end;
+ if (freeIdx < 0) and (not mlist[f].isValid()) then freeIdx := f;
+ end;
+ if (freeIdx < 0) then
+ begin
+ freeIdx := length(mlist);
+ SetLength(mlist, freeIdx+1);
+ mlist[freeIdx].Create(ea);
+ end;
+ mlist[freeIdx].justAdded := true;
+ mlist[freeIdx].setAddress(ea, sa);
+ e_LogWritefln('added masterserver with address [%s]', [sa], TMsgType.Notify);
+end;
+
+
+//==========================================================================
+//
+// g_Net_Slist_Set
+//
+//==========================================================================
+procedure g_Net_Slist_Set (list: AnsiString);
+var
+ f, dest: Integer;
sa: AnsiString;
+ ea: ENetAddress;
+ pp: Integer;
begin
if (not g_Net_IsNetworkAvailable()) then exit;
- IP := Trim(IP);
- if (length(IP) = 0) or (Port = 0) then exit;
- sa := IP+':'+IntToStr(Port);
- for f := 0 to High(mlist) do if (mlist[f].isSameAddress(sa)) then exit;
- SetLength(mlist, length(mlist)+1);
- mlist[High(mlist)].Create(sa);
- mlist[High(mlist)].setAddress(sa);
- e_LogWritefln('Masterserver address set to [%s:%u]', [IP, Port], TMsgType.Notify);
+
+ for f := 0 to High(mlist) do mlist[f].justAdded := false;
+
+ list := Trim(list);
+ //writeln('list=[', list, ']');
+ while (length(list) > 0) do
+ begin
+ pp := Pos(',', list);
+ if (pp < 1) then pp := length(list)+1;
+ sa := Trim(Copy(list, 1, pp-1));
+ Delete(list, 1, pp);
+ //writeln(' sa=[', sa, ']');
+ if (length(sa) > 0) and parseAddressPort(ea, sa) then addMasterRecord(ea, sa);
+ end;
+
+ // remove unknown master servers
+ dest := 0;
+ for f := 0 to High(mlist) do
+ begin
+ if (not mlist[f].justAdded) then mlist[f].clear();
+ if (mlist[f].isValid()) then
+ begin
+ if (dest <> f) then mlist[dest] := mlist[f];
+ Inc(dest);
+ end;
+ end;
+ if (dest <> length(mlist)) then SetLength(mlist, dest);
end;
// main pulse
//
//**************************************************************************
+
+//==========================================================================
+//
+// isMasterReportsEnabled
+//
+//==========================================================================
+function isMasterReportsEnabled (): Boolean;
+begin
+ result := (reportsEnabled and g_Game_IsServer() and g_Game_IsNet() and NetUseMaster);
+end;
+
+
+//==========================================================================
+//
+// g_Net_Slist_Pulse
+//
+// non-zero timeout ignores current status (used to fetch server list)
+//
+//==========================================================================
procedure g_Net_Slist_Pulse (timeout: Integer=0);
var
f: Integer;
sres: Integer;
idx: Integer;
+ ct: Int64;
+ isListQuery: Boolean;
+ count: Integer;
begin
if (not g_Net_IsNetworkAvailable()) then exit;
if (NetMHost = nil) then
begin
- NetMHost := enet_host_create(nil, 1, NET_MCHANS, 0, 0);
+ NetMHost := enet_host_create(nil, 64, NET_MCHANS, 1024*1024, 1024*1024);
if (NetMHost = nil) then
begin
- g_Console_Add(_lc[I_NET_MSG_ERROR]+_lc[I_NET_ERR_CLIENT], True);
+ e_LogWriteln(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CLIENT] + ' (host_create)', TMsgType.Notify);
for f := 0 to High(mlist) do mlist[f].clear();
SetLength(mlist, 0);
Exit;
end;
end;
- for f := 0 to High(mlist) do mlist[f].pulse();
+ isListQuery := (timeout > 0);
+ ct := GetTimerMS();
+ // reconnect/disconnect/pulse for each master
+ for f := 0 to High(mlist) do
+ begin
+ if (not mlist[f].isValid()) then continue;
+ if (not mlist[f].isAlive()) then
+ begin
+ // not connected; try to reconnect if we're asking for a host list, or we are in netgame, and we are the host
+ if (not isListQuery) and isMasterReportsEnabled() then
+ begin
+ if (mlist[f].lastDisconnectTime = 0) or (ct < mlist[f].lastDisconnectTime) or (ct-mlist[f].lastDisconnectTime >= 1000*NMASTER_TIMEOUT_RECONNECT) then
+ begin
+ e_LogWritefln('reconnecting to master [%s]', [mlist[f].hostName], TMsgType.Notify);
+ mlist[f].connect();
+ end
+ else
+ begin
+ //e_LogWritefln('DEAD master [%s]: ct=%d; ldt=%d; diff=%d', [mlist[f].hostName, Integer(ct), Integer(mlist[f].lastDisconnectTime), Integer(ct-mlist[f].lastDisconnectTime)], TMsgType.Notify);
+ end;
+ end;
+ end
+ else
+ begin
+ // if we're not in slist query, and not in netgame (or not a host), disconnect
+ if (not isListQuery) and (not isMasterReportsEnabled()) then
+ begin
+ if (mlist[f].isConnected()) and (mlist[f].updateSent) then
+ begin
+ e_LogWritefln('removing from master [%s]', [mlist[f].hostName], TMsgType.Notify);
+ mlist[f].remove();
+ end;
+ e_LogWritefln('disconnecting from master [%s]', [mlist[f].hostName], TMsgType.Notify);
+ mlist[f].disconnect(false);
+ end;
+ end;
+ mlist[f].pulse();
+ end;
- while true do
+ // 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.
+ count := 10; // no more than ten events in a row
+ sres := enet_host_service(NetMHost, @NetMEvent, timeout);
+ while (sres > 0) do
begin
- sres := enet_host_service(NetMHost, @NetMEvent, timeout);
+ {
if (sres < 0) then
begin
- g_Console_Add(_lc[I_NET_MSG_ERROR]+_lc[I_NET_ERR_CLIENT], True);
+ e_LogWriteln(_lc[I_NET_MSG_ERROR] + _lc[I_NET_ERR_CLIENT] + ' (host_service)', TMsgType.Notify);
for f := 0 to High(mlist) do mlist[f].clear();
SetLength(mlist, 0);
enet_host_destroy(NetMHost);
NetMHost := nil;
exit;
end;
+ }
- if (sres = 0) then break;
idx := findByPeer(NetMEvent.peer);
if (idx < 0) then
begin
e_LogWriteln('network event from unknown master host. ignored.', TMsgType.Warning);
if (NetMEvent.kind = ENET_EVENT_TYPE_RECEIVE) then enet_packet_destroy(NetMEvent.packet);
- continue;
- end;
-
- if (NetMEvent.kind = ENET_EVENT_TYPE_CONNECT) then
- begin
- mlist[idx].connectedEvent();
- end
- else if (NetMEvent.kind = ENET_EVENT_TYPE_DISCONNECT) then
- begin
- mlist[idx].disconnectedEvent();
end
- else if (NetMEvent.kind = ENET_EVENT_TYPE_RECEIVE) then
+ else
begin
- mlist[idx].receivedEvent(NetMEvent.packet);
- enet_packet_destroy(NetMEvent.packet);
+ if (NetMEvent.kind = ENET_EVENT_TYPE_CONNECT) then
+ begin
+ mlist[idx].connectedEvent();
+ end
+ else if (NetMEvent.kind = ENET_EVENT_TYPE_DISCONNECT) then
+ begin
+ mlist[idx].disconnectedEvent();
+ end
+ else if (NetMEvent.kind = ENET_EVENT_TYPE_RECEIVE) then
+ begin
+ mlist[idx].receivedEvent(NetMEvent.packet);
+ enet_packet_destroy(NetMEvent.packet);
+ end;
end;
+
+ Dec(count);
+ if (count = 0) then break;
+ sres := enet_host_service(NetMHost, @NetMEvent, 0);
end;
end;
FromSL: Boolean;
MyVer: AnsiString;
- procedure DisconnectAll ();
- var
- f: Integer;
- hasAlive: Boolean;
- //stt, ct: Int64;
- begin
- //stt := GetTimerMS();
- while (length(mlist) > 0) do
- begin
- hasAlive := false;
- for f := 0 to High(mlist) do
- begin
- if (mlist[f].isAlive()) then
- begin
- hasAlive := true;
- mlist[f].disconnect(false);
- end;
- end;
- if not hasAlive then break;
- break;
- {
- g_Net_Slist_Pulse(100);
- ct := GetTimerMS();
- if (ct < stt) or (ct-stt > 800) then break;
- }
- end;
- end;
-
procedure ProcessLocal ();
begin
I := Length(SL);
aliveCount: Integer;
hasUnanswered: Boolean;
stt, ct: Int64;
+ tmpsv: TNetServer;
begin
result := false;
SL := nil;
g_Net_Slist_Pulse(); // this will create mhost
+ DisconnectAll(true); // forced disconnect
+
+ for f := 0 to High(mlist) do
+ begin
+ mlist[f].connectCount := 0;
+ mlist[f].srvAnswered := 0;
+ end;
+
NetOut.Clear();
NetOut.Write(Byte(NET_MMSG_GET));
try
e_WriteLog('Fetching serverlist...', TMsgType.Notify);
- g_Console_Add(_lc[I_NET_MSG] + _lc[I_NET_SLIST_FETCH]);
+ g_Console_Add(_lc[I_NET_MSG]+_lc[I_NET_SLIST_FETCH]);
// wait until all servers connected and answered
stt := GetTimerMS();
while true do
begin
- g_Net_Slist_Pulse(300);
aliveCount := 0;
hasUnanswered := false;
for f := 0 to High(mlist) do
begin
{
- e_LogWritefln(' master #%d: [%s:%u] valid=%d; alive=%d; connected=%d; connecting=%d',
- [f, mlist[f].hostName, mlist[f].hostPort, Integer(mlist[f].isValid()), Integer(mlist[f].isAlive()),
+ e_LogWritefln(' master #%d: [%s] valid=%d; alive=%d; connected=%d; connecting=%d',
+ [f, mlist[f].hostName, Integer(mlist[f].isValid()), Integer(mlist[f].isAlive()),
Integer(mlist[f].isConnected()), Integer(mlist[f].isConnecting())], TMsgType.Notify);
}
if (not mlist[f].isValid()) then continue;
if (not mlist[f].isAlive()) then
begin
- mlist[f].connect();
- if (mlist[f].isAlive()) then
+ if (mlist[f].connectCount = 0) then
begin
- hasUnanswered := true;
- stt := GetTimerMS();
+ mlist[f].connect();
+ if (mlist[f].isAlive()) then
+ begin
+ //g_Console_Add(Format(_lc[I_NET_MSG]+_lc[I_NET_SLIST_WCONN], [mlist[f].hostName]));
+ hasUnanswered := true;
+ stt := GetTimerMS();
+ end;
+ end
+ else if (mlist[f].srvAnswered > 1) then
+ begin
+ Inc(aliveCount);
end;
end
else if (mlist[f].isConnected()) then
begin
+ //g_Console_Add(Format(_lc[I_NET_MSG]+_lc[I_NET_SLIST_CONN], [mlist[f].hostName]));
if (mlist[f].srvAnswered = 0) then
begin
pkt := enet_packet_create(NetOut.Data, NetOut.CurSize, Cardinal(ENET_PACKET_FLAG_RELIABLE));
else if (mlist[f].srvAnswered > 1) then
begin
Inc(aliveCount);
+ mlist[f].disconnect(false); // not forced
end;
end
else if (mlist[f].isConnecting()) then
// check for timeout
ct := GetTimerMS();
if (ct < stt) or (ct-stt > 4000) then break;
+ g_Net_Slist_Pulse(300);
end;
if (aliveCount = 0) then
if InMsg.ReadChar() <> 'D' then continue;
if InMsg.ReadChar() <> 'F' then continue;
+ with tmpsv do
+ begin
+ Port := InMsg.ReadWord();
+ Ping := InMsg.ReadInt64();
+ Ping := GetTimerMS() - Ping;
+ Name := InMsg.ReadString();
+ Map := InMsg.ReadString();
+ GameMode := InMsg.ReadByte();
+ Players := InMsg.ReadByte();
+ MaxPlayers := InMsg.ReadByte();
+ Protocol := InMsg.ReadByte();
+ Password := InMsg.ReadByte() = 1;
+ LocalPl := InMsg.ReadByte();
+ Bots := InMsg.ReadWord();
+ PingAddr := SvAddr;
+ end;
+
FromSL := False;
for I := Low(SL) to High(SL) do
if (SL[I].PingAddr.host = SvAddr.host) and
- (SL[I].PingAddr.port = SvAddr.port) then
+ (SL[I].PingAddr.port = SvAddr.port) and
+ (SL[I].Port = tmpsv.Port) and
+ (SL[I].Name = tmpsv.Name) then
begin
- with SL[I] do
- begin
- Port := InMsg.ReadWord();
- Ping := InMsg.ReadInt64();
- Ping := GetTimerMS() - Ping;
- Name := InMsg.ReadString();
- Map := InMsg.ReadString();
- GameMode := InMsg.ReadByte();
- Players := InMsg.ReadByte();
- MaxPlayers := InMsg.ReadByte();
- Protocol := InMsg.ReadByte();
- Password := InMsg.ReadByte() = 1;
- LocalPl := InMsg.ReadByte();
- Bots := InMsg.ReadWord();
- end;
+ tmpsv.IP := SL[I].IP;
+ SL[I] := tmpsv;
FromSL := True;
Inc(Cnt);
break;
end;
+
if not FromSL then
- ProcessLocal();
+ begin
+ I := Length(SL);
+ SetLength(SL, I + 1);
+ tmpsv.IP := DecodeIPV4(SvAddr.host);
+ SL[I] := tmpsv;
+ end;
end;
InMsg.Free();
@@ -1371,7 +1791,7 @@ procedure g_Serverlist_GenerateTable (SL: TNetServerList; var ST: TNetServerTabl
var
i, j: Integer;
- function FindServerInTable(Name: AnsiString): Integer;
+ function FindServerInTable(Name: AnsiString; Port: Word): Integer;
var
i: Integer;
begin
begin
if Length(ST[i].Indices) = 0 then
continue;
- if SL[ST[i].Indices[0]].Name = Name then
+ if (SL[ST[i].Indices[0]].Name = Name) and (SL[ST[i].Indices[0]].Port = Port) then
begin
Result := i;
Exit;
ST := nil;
if SL = nil then
Exit;
+
for i := Low(SL) to High(SL) do
begin
- j := FindServerInTable(SL[i].Name);
+ j := FindServerInTable(SL[i].Name, SL[i].Port);
if j = -1 then
begin
j := Length(ST);