/// <summary>
/// _Datagram_CheckNewConnections
/// </summary>
public qsocket_t InternalCheckNewConnections()
{
Socket acceptsock = Net.LanDriver.CheckNewConnections();
if (acceptsock == null)
{
return(null);
}
EndPoint clientaddr = new IPEndPoint(IPAddress.Any, 0);
Net.Message.FillFrom(acceptsock, ref clientaddr);
if (Net.Message.Length < sizeof(int))
{
return(null);
}
Net.Reader.Reset();
int control = Common.BigLong(Net.Reader.ReadLong());
if (control == -1)
{
return(null);
}
if ((control & (~NetFlags.NETFLAG_LENGTH_MASK)) != NetFlags.NETFLAG_CTL)
{
return(null);
}
if ((control & NetFlags.NETFLAG_LENGTH_MASK) != Net.Message.Length)
{
return(null);
}
int command = Net.Reader.ReadByte();
if (command == CCReq.CCREQ_SERVER_INFO)
{
string tmp = Net.Reader.ReadString();
if (tmp != "QUAKE")
{
return(null);
}
Net.Message.Clear();
// save space for the header, filled in later
Net.Message.WriteLong(0);
Net.Message.WriteByte(CCRep.CCREP_SERVER_INFO);
EndPoint newaddr = acceptsock.LocalEndPoint; //dfunc.GetSocketAddr(acceptsock, &newaddr);
Net.Message.WriteString(newaddr.ToString()); // dfunc.AddrToString(&newaddr));
Net.Message.WriteString(Net.HostName);
Net.Message.WriteString(Server.sv.name);
Net.Message.WriteByte(Net.ActiveConnections);
Net.Message.WriteByte(Server.svs.maxclients);
Net.Message.WriteByte(Net.NET_PROTOCOL_VERSION);
Common.WriteInt(Net.Message.Data, 0, Common.BigLong(NetFlags.NETFLAG_CTL |
(Net.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Net.LanDriver.Write(acceptsock, Net.Message.Data, Net.Message.Length, clientaddr);
Net.Message.Clear();
return(null);
}
if (command == CCReq.CCREQ_PLAYER_INFO)
{
int playerNumber = Net.Reader.ReadByte();
int clientNumber, activeNumber = -1;
client_t client = null;
for (clientNumber = 0; clientNumber < Server.svs.maxclients; clientNumber++)
{
client = Server.svs.clients[clientNumber];
if (client.active)
{
activeNumber++;
if (activeNumber == playerNumber)
{
break;
}
}
}
if (clientNumber == Server.svs.maxclients)
{
return(null);
}
Net.Message.Clear();
// save space for the header, filled in later
Net.Message.WriteLong(0);
Net.Message.WriteByte(CCRep.CCREP_PLAYER_INFO);
Net.Message.WriteByte(playerNumber);
Net.Message.WriteString(client.name);
Net.Message.WriteLong(client.colors);
Net.Message.WriteLong((int)client.edict.v.frags);
Net.Message.WriteLong((int)(Net.Time - client.netconnection.connecttime));
Net.Message.WriteString(client.netconnection.address);
Common.WriteInt(Net.Message.Data, 0, Common.BigLong(NetFlags.NETFLAG_CTL |
(Net.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Net.LanDriver.Write(acceptsock, Net.Message.Data, Net.Message.Length, clientaddr);
Net.Message.Clear();
return(null);
}
if (command == CCReq.CCREQ_RULE_INFO)
{
// find the search start location
string prevCvarName = Net.Reader.ReadString();
Cvar var;
if (!String.IsNullOrEmpty(prevCvarName))
{
var = Cvar.Find(prevCvarName);
if (var == null)
{
return(null);
}
var = var.Next;
}
else
{
var = Cvar.First;
}
// search for the next server cvar
while (var != null)
{
if (var.IsServer)
{
break;
}
var = var.Next;
}
// send the response
Net.Message.Clear();
// save space for the header, filled in later
Net.Message.WriteLong(0);
Net.Message.WriteByte(CCRep.CCREP_RULE_INFO);
if (var != null)
{
Net.Message.WriteString(var.Name);
Net.Message.WriteString(var.String);
}
Common.WriteInt(Net.Message.Data, 0, Common.BigLong(NetFlags.NETFLAG_CTL |
(Net.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Net.LanDriver.Write(acceptsock, Net.Message.Data, Net.Message.Length, clientaddr);
Net.Message.Clear();
return(null);
}
if (command != CCReq.CCREQ_CONNECT)
{
return(null);
}
if (Net.Reader.ReadString() != "QUAKE")
{
return(null);
}
if (Net.Reader.ReadByte() != Net.NET_PROTOCOL_VERSION)
{
Net.Message.Clear();
// save space for the header, filled in later
Net.Message.WriteLong(0);
Net.Message.WriteByte(CCRep.CCREP_REJECT);
Net.Message.WriteString("Incompatible version.\n");
Common.WriteInt(Net.Message.Data, 0, Common.BigLong(NetFlags.NETFLAG_CTL |
(Net.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Net.LanDriver.Write(acceptsock, Net.Message.Data, Net.Message.Length, clientaddr);
Net.Message.Clear();
return(null);
}
#if BAN_TEST
// check for a ban
if (clientaddr.sa_family == AF_INET)
{
unsigned long testAddr;
testAddr = ((struct sockaddr_in *)&clientaddr)->sin_addr.s_addr;
