/**
* prüft auf neue Clients.
*
* @author FloSoft
*/
bool LobbyServer::CheckForNewClients()
{
SocketSet set;
set.Add(serverSock_);
if( set.Select(0, 0) > 0)
{
if(set.InSet(serverSock_))
{
Socket client = serverSock_.Accept();
if(!client.isValid())
return false;
unsigned playerid = static_cast<unsigned>(players.size());
while(players.find(playerid) != players.end())
++playerid;
LOG.write("New client connected from %s\n") % client.GetPeerIP();
LobbyPlayer p;
p.attach(client, playerid);
players[playerid] = p;
LOG.write("Player-ID %d\n") % playerid;
p.Send(new LobbyMessage_Id(playerid), true);
}
}
return true;
}
/**
* Hauptschleife.
*
* @author FloSoft
*/
void LobbyClient::Run(void)
{
if(state == CS_STOPPED)
return;
SocketSet set;
// erstmal auf Daten überprüfen
set.Clear();
// zum set hinzufügen
set.Add(socket);
if(set.Select(0, 0) > 0)
{
// nachricht empfangen
if(!recv_queue.recv(socket))
{
LOG.lprintf("Receiving Message from server failed\n");
ServerLost();
return;
}
}
// nun auf Fehler prüfen
set.Clear();
// zum set hinzufügen
set.Add(socket);
// auf fehler prüfen
if(set.Select(0, 2) > 0)
{
if(set.InSet(socket))
{
// Server ist weg
LOG.lprintf("Error on socket to server\n");
ServerLost();
return;
}
}
// maximal 10 Pakete verschicken
if(!send_queue.send(socket, 10))
{
ServerLost();
return;
}
// recv-queue abarbeiten
while(recv_queue.count() > 0)
{
recv_queue.front()->run(this, 0xFFFFFFFF);
recv_queue.pop();
}
}
/**
*
*
* @author FloSoft
*/
Message* Message::recv(Socket& sock, int& error, bool wait, Message * (*createfunction)(unsigned short))
{
error = -1;
unser_time_t time = TIME.CurrentTick();
unser_time_t timeout = time;
unsigned int received;
SocketSet set;
while(true)
{
// Warten wir schon 5s auf Antwort?
if(time - timeout > 15000)
wait = false;
time = TIME.CurrentTick();
// SocketSet "saubermachen"
set.Clear();
// Socket hinzufgen
set.Add(sock);
// liegen Daten an?
int retval = set.Select(0, 0);
if(retval <= 0)
{
if(wait)
continue;
if(retval != -1)
error = 0;
return NULL;
}
// liegen diese Daten an unserem Socket, bzw wieviele Bytes liegen an?
if(!set.InSet(sock) || sock.BytesWaiting(&received) != 0)
{
if(wait)
continue;
error = 1;
return NULL;
}
// socket ist geschlossen worden
if(received == 0)
return NULL;
// haben wir schon eine vollständige nachricht? (kleinste nachricht: 6 bytes)
if(received < 6)
{
if(wait)
continue;
error = 2;
return NULL;
}
break;
}
int read = -1;
char block[6];
unsigned short* id = (unsigned short*)&block[0];
unsigned int* length = (unsigned int*)&block[2];
// block empfangen
read = sock.Recv(block, 6, false);
if(read != 6)
{
LOG.write("recv: block: only got %d bytes instead of %d, waiting for next try\n", read, 6);
if(read != -1)
error = 3;
return NULL;
}
read = sock.BytesWaiting();
static unsigned int blocktimeout = 0;
if(read < (signed)((*length) + 6) )
{
++blocktimeout;
LOG.write("recv: block-waiting: not enough input (%d/%d) for message (0x%04X), waiting for next try\n", read, (*length) + 6, *id);
if(blocktimeout < 120 && read != -1)
error = 4;
return NULL;
}
blocktimeout = 0;
// Block nochmals abrufen (um ihn aus dem Cache zu entfernen)
read = sock.Recv(block, 6);
if(read != 6)
{
LOG.lprintf("recv: id,length: only got %d bytes instead of %d\n", read, 2);
return NULL;
}
Message* msg = createfunction(*id);
if(!msg)
return NULL;
// Daten abrufen
msg->recv(sock, *length);
return msg;
}