/**
* Master_Shutdown, Informs all masters that this server is going down.
*/
public static void Master_Shutdown()
{
int i;
// pgm post3.19 change, cvar pointer not validated before dereferencing
if (null == Globals.dedicated || 0 == Globals.dedicated.value)
{
return; // only dedicated servers send heartbeats
}
// pgm post3.19 change, cvar pointer not validated before dereferencing
if (null == SV_MAIN.public_server || 0 == SV_MAIN.public_server.value)
{
return; // a private dedicated game
}
// send to group master
for (i = 0; i < Defines.MAX_MASTERS; i++)
{
if (SV_MAIN.master_adr[i].port != 0)
{
if (i > 0)
{
Com.Printf("Sending heartbeat to " + NET.AdrToString(SV_MAIN.master_adr[i]) + "\n");
}
Netchan.OutOfBandPrint(Defines.NS_SERVER, SV_MAIN.master_adr[i], "shutdown");
}
}
}
public static void Master_Heartbeat( )
{
String string_renamed;
Int32 i;
if (Globals.dedicated == null || 0 == Globals.dedicated.value)
{
return;
}
if (null == SV_MAIN.public_server || 0 == SV_MAIN.public_server.value)
{
return;
}
if (SV_INIT.svs.last_heartbeat > SV_INIT.svs.realtime)
{
SV_INIT.svs.last_heartbeat = SV_INIT.svs.realtime;
}
if (SV_INIT.svs.realtime - SV_INIT.svs.last_heartbeat < SV_MAIN.HEARTBEAT_SECONDS * 1000)
{
return;
}
SV_INIT.svs.last_heartbeat = SV_INIT.svs.realtime;
string_renamed = SV_StatusString();
for (i = 0; i < Defines.MAX_MASTERS; i++)
{
if (SV_MAIN.master_adr[i].port != 0)
{
Com.Printf("Sending heartbeat to " + NET.AdrToString(SV_MAIN.master_adr[i]) + "\\n");
Netchan.OutOfBandPrint(Defines.NS_SERVER, SV_MAIN.master_adr[i], "heartbeat\\n" + string_renamed);
}
}
}
public static bool Process(netchan_t chan, sizebuf_t msg)
{
MSG.BeginReading(msg);
int sequence = MSG.ReadLong(msg);
int sequence_ack = MSG.ReadLong(msg);
if (chan.sock == Defines.NS_SERVER)
{
MSG.ReadShort(msg);
}
int reliable_message = sequence >> 31;
int reliable_ack = sequence_ack >> 31;
sequence &= ~(1 << 31);
sequence_ack &= ~(1 << 31);
if (showpackets.value != 0)
{
if (reliable_message != 0)
{
Com.Printf("recv " + msg.cursize + " : s=" + sequence + " reliable=" + (chan.incoming_reliable_sequence ^ 1) + " ack=" + sequence_ack + " rack=" + reliable_ack + "\\n");
}
else
{
Com.Printf("recv " + msg.cursize + " : s=" + sequence + " ack=" + sequence_ack + " rack=" + reliable_ack + "\\n");
}
}
if (sequence <= chan.incoming_sequence)
{
if (showdrop.value != 0)
{
Com.Printf(NET.AdrToString(chan.remote_address) + ":Out of order packet " + sequence + " at " + chan.incoming_sequence + "\\n");
}
return(false);
}
chan.dropped = sequence - (chan.incoming_sequence + 1);
if (chan.dropped > 0)
{
if (showdrop.value != 0)
{
Com.Printf(NET.AdrToString(chan.remote_address) + ":Dropped " + chan.dropped + " packets at " + sequence + "\\n");
}
}
if (reliable_ack == chan.reliable_sequence)
{
chan.reliable_length = 0;
}
chan.incoming_sequence = sequence;
chan.incoming_acknowledged = sequence_ack;
chan.incoming_reliable_acknowledged = reliable_ack;
if (reliable_message != 0)
{
chan.incoming_reliable_sequence ^= 1;
}
chan.last_received = (int)Globals.curtime;
return(true);
}
public static void SVC_RemoteCommand( )
{
Int32 i;
String remaining;
i = Rcon_Validate();
var msg = Lib.CtoJava(Globals.net_message.data, 4, 1024);
if (i == 0)
{
Com.Printf("Bad rcon from " + NET.AdrToString(Globals.net_from) + ":\\n" + msg + "\\n");
}
else
{
Com.Printf("Rcon from " + NET.AdrToString(Globals.net_from) + ":\\n" + msg + "\\n");
}
Com.BeginRedirect(Defines.RD_PACKET, SV_SEND.sv_outputbuf, Defines.SV_OUTPUTBUF_LENGTH, new AnonymousRD_Flusher());
if (0 == Rcon_Validate())
{
Com.Printf("Bad rcon_password.\\n");
}
else
{
remaining = "";
for (i = 2; i < Cmd.Argc(); i++)
{
remaining += Cmd.Argv(i);
remaining += " ";
}
Cmd.ExecuteString(remaining);
}
Com.EndRedirect();
}
public static void Transmit(netchan_t chan, int length, byte[] data)
{
int send_reliable;
int w1, w2;
if (chan.message.overflowed)
{
chan.fatal_error = true;
Com.Printf(NET.AdrToString(chan.remote_address) + ":Outgoing message overflow\\n");
return;
}
send_reliable = Netchan_NeedReliable(chan) ? 1 : 0;
if (chan.reliable_length == 0 && chan.message.cursize != 0)
{
System.Array.Copy(chan.message_buf, 0, chan.reliable_buf, 0, chan.message.cursize);
chan.reliable_length = chan.message.cursize;
chan.message.cursize = 0;
chan.reliable_sequence ^= 1;
}
SZ.Init(send, send_buf, send_buf.Length);
w1 = (chan.outgoing_sequence & ~(1 << 31)) | (send_reliable << 31);
w2 = (chan.incoming_sequence & ~(1 << 31)) | (chan.incoming_reliable_sequence << 31);
chan.outgoing_sequence++;
chan.last_sent = (int)Globals.curtime;
MSG.WriteInt(send, w1);
MSG.WriteInt(send, w2);
if (chan.sock == Defines.NS_CLIENT)
{
MSG.WriteShort(send, (int)qport.value);
}
if (send_reliable != 0)
{
SZ.Write(send, chan.reliable_buf, chan.reliable_length);
chan.last_reliable_sequence = chan.outgoing_sequence;
}
if (send.maxsize - send.cursize >= length)
{
SZ.Write(send, data, length);
}
else
{
Com.Printf("Netchan_Transmit: dumped unreliable\\n");
}
NET.SendPacket(chan.sock, send.cursize, send.data, chan.remote_address);
if (showpackets.value != 0)
{
if (send_reliable != 0)
{
Com.Printf("send " + send.cursize + " : s=" + (chan.outgoing_sequence - 1) + " reliable=" + chan.reliable_sequence + " ack=" + chan.incoming_sequence + " rack=" + chan.incoming_reliable_sequence + "\\n");
}
else
{
Com.Printf("send " + send.cursize + " : s=" + (chan.outgoing_sequence - 1) + " ack=" + chan.incoming_sequence + " rack=" + chan.incoming_reliable_sequence + "\\n");
}
}
}
public static void SV_Status_f( )
{
Int32 i, j, l;
client_t cl;
String s;
Int32 ping;
if (SV_INIT.svs.clients == null)
{
Com.Printf("No server running.\\n");
return;
}
Com.Printf("map : " + SV_INIT.sv.name + "\\n");
Com.Printf("num score ping name lastmsg address qport \\n");
Com.Printf("--- ----- ---- --------------- ------- --------------------- ------\\n");
for (i = 0; i < SV_MAIN.maxclients.value; i++)
{
cl = SV_INIT.svs.clients[i];
if (0 == cl.state)
{
continue;
}
Com.Printf("%3i ", i);
Com.Printf("%5i ", cl.edict.client.ps.stats[Defines.STAT_FRAGS]);
if (cl.state == Defines.cs_connected)
{
Com.Printf("CNCT ");
}
else if (cl.state == Defines.cs_zombie)
{
Com.Printf("ZMBI ");
}
else
{
ping = cl.ping < 9999 ? cl.ping : 9999;
Com.Printf("%4i ", ping);
}
Com.Printf("%s", cl.name);
l = 16 - cl.name.Length;
for (j = 0; j < l; j++)
{
Com.Printf(" ");
}
Com.Printf("%7i ", SV_INIT.svs.realtime - cl.lastmessage);
s = NET.AdrToString(cl.netchan.remote_address);
Com.Printf(s);
l = 22 - s.Length;
for (j = 0; j < l; j++)
{
Com.Printf(" ");
}
Com.Printf("%5i", cl.netchan.qport);
Com.Printf("\\n");
}
Com.Printf("\\n");
}
/**
* A connectionless packet has four leading 0xff characters to distinguish
* it from a game channel. Clients that are in the game can still send
* connectionless packets. It is used also by rcon commands.
*/
public static void SV_ConnectionlessPacket()
{
string s;
string c;
MSG.BeginReading(Globals.net_message);
MSG.ReadLong(Globals.net_message); // skip the -1 marker
s = MSG.ReadStringLine(Globals.net_message);
Cmd.TokenizeString(s.ToCharArray(), false);
c = Cmd.Argv(0);
//for debugging purposes
//Com.Printf("Packet " + NET.AdrToString(Netchan.net_from) + " : " + c + "\n");
//Com.Printf(Lib.hexDump(net_message.data, 64, false) + "\n");
if (0 == Lib.strcmp(c, "ping"))
{
SV_MAIN.SVC_Ping();
}
else if (0 == Lib.strcmp(c, "ack"))
{
SV_MAIN.SVC_Ack();
}
else if (0 == Lib.strcmp(c, "status"))
{
SV_MAIN.SVC_Status();
}
else if (0 == Lib.strcmp(c, "info"))
{
SV_MAIN.SVC_Info();
}
else if (0 == Lib.strcmp(c, "getchallenge"))
{
SV_MAIN.SVC_GetChallenge();
}
else if (0 == Lib.strcmp(c, "connect"))
{
SV_MAIN.SVC_DirectConnect();
}
else if (0 == Lib.strcmp(c, "rcon"))
{
SV_MAIN.SVC_RemoteCommand();
}
else
{
Com.Printf("bad connectionless packet from " + NET.AdrToString(Globals.net_from) + "\n");
Com.Printf("[" + s + "]\n");
Com.Printf("" + Lib.hexDump(Globals.net_message.data, 128, false));
}
}
/*
* ===============================================================================
*
* OPERATOR CONSOLE ONLY COMMANDS
*
* These commands can only be entered from stdin or by a remote operator datagram
* ===============================================================================
*/
/*
* ====================
* SV_SetMaster_f
*
* Specify a list of master servers
* ====================
*/
public static void SV_SetMaster_f()
{
int i, slot;
// only dedicated servers send heartbeats
if (Globals.dedicated.value == 0)
{
Com.Printf("Only dedicated servers use masters.\n");
return;
}
// make sure the server is listed public
Cvar.Set("public", "1");
for (i = 1; i < Defines.MAX_MASTERS; i++)
{
SV_MAIN.master_adr[i] = new();
}
slot = 1; // slot 0 will always contain the id master
for (i = 1; i < Cmd.Argc(); i++)
{
if (slot == Defines.MAX_MASTERS)
{
break;
}
if (!NET.StringToAdr(Cmd.Argv(i), SV_MAIN.master_adr[i]))
{
Com.Printf("Bad address: " + Cmd.Argv(i) + "\n");
continue;
}
if (SV_MAIN.master_adr[slot].port == 0)
{
SV_MAIN.master_adr[slot].port = Defines.PORT_MASTER;
}
Com.Printf("Master server at " + NET.AdrToString(SV_MAIN.master_adr[slot]) + "\n");
Com.Printf("Sending a ping.\n");
Netchan.OutOfBandPrint(Defines.NS_SERVER, SV_MAIN.master_adr[slot], "ping");
slot++;
}
SV_INIT.svs.last_heartbeat = -9999999;
}
public static void SV_ConnectionlessPacket( )
{
String s;
String c;
MSG.BeginReading(Globals.net_message);
MSG.ReadLong(Globals.net_message);
s = MSG.ReadStringLine(Globals.net_message);
Cmd.TokenizeString(s.ToCharArray(), false);
c = Cmd.Argv(0);
if (0 == Lib.Strcmp(c, "ping"))
{
SVC_Ping();
}
else if (0 == Lib.Strcmp(c, "ack"))
{
SVC_Ack();
}
else if (0 == Lib.Strcmp(c, "status"))
{
SVC_Status();
}
else if (0 == Lib.Strcmp(c, "info"))
{
SVC_Info();
}
else if (0 == Lib.Strcmp(c, "getchallenge"))
{
SVC_GetChallenge();
}
else if (0 == Lib.Strcmp(c, "connect"))
{
SVC_DirectConnect();
}
else if (0 == Lib.Strcmp(c, "rcon"))
{
SVC_RemoteCommand();
}
else
{
Com.Printf("bad connectionless packet from " + NET.AdrToString(Globals.net_from) + "\\n");
Com.Printf("[" + s + "]\\n");
Com.Printf("" + Lib.HexDump(Globals.net_message.data, 128, false));
}
}
/**
* A client issued an rcon command. Shift down the remaining args Redirect
* all printfs fromt hte server to the client.
*/
public static void SVC_RemoteCommand()
{
int i;
string remaining;
i = SV_MAIN.Rcon_Validate();
var msg = Lib.CtoJava(Globals.net_message.data, 4, 1024);
if (i == 0)
{
Com.Printf("Bad rcon from " + NET.AdrToString(Globals.net_from) + ":\n" + msg + "\n");
}
else
{
Com.Printf("Rcon from " + NET.AdrToString(Globals.net_from) + ":\n" + msg + "\n");
}
Com.BeginRedirect(
Defines.RD_PACKET,
SV_SEND.sv_outputbuf,
Defines.SV_OUTPUTBUF_LENGTH,
(target, buffer) => { SV_SEND.SV_FlushRedirect(target, Lib.stringToBytes(buffer.ToString())); }
);
if (0 == SV_MAIN.Rcon_Validate())
{
Com.Printf("Bad rcon_password.\n");
}
else
{
remaining = "";
for (i = 2; i < Cmd.Argc(); i++)
{
remaining += Cmd.Argv(i);
remaining += " ";
}
Cmd.ExecuteString(remaining);
}
Com.EndRedirect();
}
public static void Master_Heartbeat()
{
string @string;
int i;
// pgm post3.19 change, cvar pointer not validated before dereferencing
if (Globals.dedicated == null || 0 == Globals.dedicated.value)
{
return; // only dedicated servers send heartbeats
}
// pgm post3.19 change, cvar pointer not validated before dereferencing
if (null == SV_MAIN.public_server || 0 == SV_MAIN.public_server.value)
{
return; // a private dedicated game
}
// check for time wraparound
if (SV_INIT.svs.last_heartbeat > SV_INIT.svs.realtime)
{
SV_INIT.svs.last_heartbeat = SV_INIT.svs.realtime;
}
if (SV_INIT.svs.realtime - SV_INIT.svs.last_heartbeat < SV_MAIN.HEARTBEAT_SECONDS * 1000)
{
return; // not time to send yet
}
SV_INIT.svs.last_heartbeat = SV_INIT.svs.realtime;
// send the same string that we would give for a status OOB command
@string = SV_MAIN.SV_StatusString();
// send to group master
for (i = 0; i < Defines.MAX_MASTERS; i++)
{
if (SV_MAIN.master_adr[i].port != 0)
{
Com.Printf("Sending heartbeat to " + NET.AdrToString(SV_MAIN.master_adr[i]) + "\n");
Netchan.OutOfBandPrint(Defines.NS_SERVER, SV_MAIN.master_adr[i], "heartbeat\n" + @string);
}
}
}
public static void Master_Shutdown( )
{
Int32 i;
if (null == Globals.dedicated || 0 == Globals.dedicated.value)
{
return;
}
if (null == SV_MAIN.public_server || 0 == SV_MAIN.public_server.value)
{
return;
}
for (i = 0; i < Defines.MAX_MASTERS; i++)
{
if (SV_MAIN.master_adr[i].port != 0)
{
if (i > 0)
{
Com.Printf("Sending heartbeat to " + NET.AdrToString(SV_MAIN.master_adr[i]) + "\\n");
}
Netchan.OutOfBandPrint(Defines.NS_SERVER, SV_MAIN.master_adr[i], "shutdown");
}
}
}
public string toString()
{
return(this.type == Defines.NA_LOOPBACK ? "loopback" : NET.AdrToString(this));
}
public override String ToString( )
{
return((type == Defines.NA_LOOPBACK) ? "loopback" : NET.AdrToString(this));
}
public static void SVC_Ack( )
{
Com.Printf("Ping acknowledge from " + NET.AdrToString(Globals.net_from) + "\\n");
}
public static void SVC_DirectConnect( )
{
String userinfo;
netadr_t adr;
Int32 i;
client_t cl;
Int32 version;
Int32 qport;
adr = Globals.net_from;
Com.DPrintf("SVC_DirectConnect ()\\n");
version = Lib.Atoi(Cmd.Argv(1));
if (version != Defines.PROTOCOL_VERSION)
{
Netchan.OutOfBandPrint(Defines.NS_SERVER, adr, "print\\nServer is version " + Globals.VERSION + "\\n");
Com.DPrintf(" rejected connect from version " + version + "\\n");
return;
}
qport = Lib.Atoi(Cmd.Argv(2));
var challenge = Lib.Atoi(Cmd.Argv(3));
userinfo = Cmd.Argv(4);
userinfo = Info.Info_SetValueForKey(userinfo, "ip", NET.AdrToString(Globals.net_from));
if (SV_INIT.sv.attractloop)
{
if (!NET.IsLocalAddress(adr))
{
Com.Printf("Remote connect in attract loop. Ignored.\\n");
Netchan.OutOfBandPrint(Defines.NS_SERVER, adr, "print\\nConnection refused.\\n");
return;
}
}
if (!NET.IsLocalAddress(adr))
{
for (i = 0; i < Defines.MAX_CHALLENGES; i++)
{
if (NET.CompareBaseAdr(Globals.net_from, SV_INIT.svs.challenges[i].adr))
{
if (challenge == SV_INIT.svs.challenges[i].challenge)
{
break;
}
Netchan.OutOfBandPrint(Defines.NS_SERVER, adr, "print\\nBad challenge.\\n");
return;
}
}
if (i == Defines.MAX_CHALLENGES)
{
Netchan.OutOfBandPrint(Defines.NS_SERVER, adr, "print\\nNo challenge for address.\\n");
return;
}
}
for (i = 0; i < SV_MAIN.maxclients.value; i++)
{
cl = SV_INIT.svs.clients[i];
if (cl.state == Defines.cs_free)
{
continue;
}
if (NET.CompareBaseAdr(adr, cl.netchan.remote_address) && (cl.netchan.qport == qport || adr.port == cl.netchan.remote_address.port))
{
if (!NET.IsLocalAddress(adr) && (SV_INIT.svs.realtime - cl.lastconnect) < (( Int32 )SV_MAIN.sv_reconnect_limit.value * 1000))
{
Com.DPrintf(NET.AdrToString(adr) + ":reconnect rejected : too soon\\n");
return;
}
Com.Printf(NET.AdrToString(adr) + ":reconnect\\n");
Gotnewcl(i, challenge, userinfo, adr, qport);
return;
}
}
var index = -1;
for (i = 0; i < SV_MAIN.maxclients.value; i++)
{
cl = SV_INIT.svs.clients[i];
if (cl.state == Defines.cs_free)
{
index = i;
break;
}
}
if (index == -1)
{
Netchan.OutOfBandPrint(Defines.NS_SERVER, adr, "print\\nServer is full.\\n");
Com.DPrintf("Rejected a connection.\\n");
return;
}
Gotnewcl(index, challenge, userinfo, adr, qport);
}
/**
* A connection request that did not come from the master.
*/
public static void SVC_DirectConnect()
{
string userinfo;
netadr_t adr;
int i;
client_t cl;
int version;
int qport;
adr = Globals.net_from;
Com.DPrintf("SVC_DirectConnect ()\n");
version = Lib.atoi(Cmd.Argv(1));
if (version != Defines.PROTOCOL_VERSION)
{
Netchan.OutOfBandPrint(Defines.NS_SERVER, adr, "print\nServer is version " + Globals.VERSION + "\n");
Com.DPrintf(" rejected connect from version " + version + "\n");
return;
}
qport = Lib.atoi(Cmd.Argv(2));
var challenge = Lib.atoi(Cmd.Argv(3));
userinfo = Cmd.Argv(4);
// force the IP key/value pair so the game can filter based on ip
userinfo = Info.Info_SetValueForKey(userinfo, "ip", NET.AdrToString(Globals.net_from));
// attractloop servers are ONLY for local clients
if (SV_INIT.sv.attractloop)
{
if (!NET.IsLocalAddress(adr))
{
Com.Printf("Remote connect in attract loop. Ignored.\n");
Netchan.OutOfBandPrint(Defines.NS_SERVER, adr, "print\nConnection refused.\n");
return;
}
}
// see if the challenge is valid
if (!NET.IsLocalAddress(adr))
{
for (i = 0; i < Defines.MAX_CHALLENGES; i++)
{
if (NET.CompareBaseAdr(Globals.net_from, SV_INIT.svs.challenges[i].adr))
{
if (challenge == SV_INIT.svs.challenges[i].challenge)
{
break; // good
}
Netchan.OutOfBandPrint(Defines.NS_SERVER, adr, "print\nBad challenge.\n");
return;
}
}
if (i == Defines.MAX_CHALLENGES)
{
Netchan.OutOfBandPrint(Defines.NS_SERVER, adr, "print\nNo challenge for address.\n");
return;
}
}
// if there is already a slot for this ip, reuse it
for (i = 0; i < SV_MAIN.maxclients.value; i++)
{
cl = SV_INIT.svs.clients[i];
if (cl.state == Defines.cs_free)
{
continue;
}
if (NET.CompareBaseAdr(adr, cl.netchan.remote_address) && (cl.netchan.qport == qport || adr.port == cl.netchan.remote_address.port))
{
if (!NET.IsLocalAddress(adr) && SV_INIT.svs.realtime - cl.lastconnect < (int)SV_MAIN.sv_reconnect_limit.value * 1000)
{
Com.DPrintf(NET.AdrToString(adr) + ":reconnect rejected : too soon\n");
return;
}
Com.Printf(NET.AdrToString(adr) + ":reconnect\n");
SV_MAIN.gotnewcl(i, challenge, userinfo, adr, qport);
return;
}
}
// find a client slot
//newcl = null;
var index = -1;
for (i = 0; i < SV_MAIN.maxclients.value; i++)
{
cl = SV_INIT.svs.clients[i];
if (cl.state == Defines.cs_free)
{
index = i;
break;
}
}
if (index == -1)
{
Netchan.OutOfBandPrint(Defines.NS_SERVER, adr, "print\nServer is full.\n");
Com.DPrintf("Rejected a connection.\n");
return;
}
SV_MAIN.gotnewcl(index, challenge, userinfo, adr, qport);
}