void AcceptCallback(IAsyncResult ar)
{
allDone.Set();
Socket listener = (Socket)ar.AsyncState;
Socket handler = null;
try
{
handler = listener.EndAccept(ar);
}
catch (Exception e)
{
if (handler != null)
{
handler.Dispose();
}
return;
}
if (ConnectedCount >= Constants.MAXCLIENTS)
{
Debug.WriteLine("Too man clients disconnecting new client ");
handler.Close();
return;
}
handler.NoDelay = true;
handler.Blocking = false;
var state = new ServerSocket();
state.SocketObject = handler;
// LOG += "Accept Pending Connection<br/>";
Debug.WriteLine("Accept Pending Connection");
lock (PendingConnectionsLock)
{
PendingConnections.Add(state);
}
}
public List <Client_Wrapper> Add(ServerSocket c, int dst_id, int src_id)
{
//BEGING VALIDATION
Debug.WriteLine("Attempting to pair connections dst_id " + dst_id.ToString() + "src_id " + src_id);
var newclient = new Client_Wrapper();
newclient.SocketObject = c;
newclient.ClientObject.ConnectTime = DateTime.Now;
if (dst_id == -1)
{
newclient.ClientObject.Host = Client.Host_Type.Server;
}
else if (src_id == -1)
{
newclient.ClientObject.Host = Client.Host_Type.Viewer;
//servers have their info set when they get an ID, viewers dont until they are added
var remoteIpEndPoint = newclient.SocketObject.SocketObject.RemoteEndPoint as System.Net.IPEndPoint;
newclient.ClientObject.Firewall_IP = remoteIpEndPoint.Address.ToString();
newclient.ClientObject.Firewall_Port = remoteIpEndPoint.Port.ToString();
}
else
{
c.ShouldDisconnect = true;
Debug.WriteLine("Disconnecting connection because of unknown client type");
return(null);
}
//attempt to pair up!
//check id range
if (newclient.ClientObject.Host == Client.Host_Type.Viewer && (dst_id < 0 || dst_id >= Constants.MAXCLIENTS))
{
c.ShouldDisconnect = true;
Debug.WriteLine("Disconnecting connection because a viewer cannot connect to a value less than 0 Or greater than " + Constants.MAXCLIENTS.ToString());
return(null);
}
if (newclient.ClientObject.Host == Client.Host_Type.Server && (src_id < 0 || dst_id >= Constants.MAXCLIENTS))
{
c.ShouldDisconnect = true;
Debug.WriteLine("Disconnecting connection because a server cannot have a src_id to a value less than 0Or greater than " + Constants.MAXCLIENTS.ToString());
return(null);
}
//ids are going to be corrected below
newclient.ClientObject.Dst_ID = dst_id;
newclient.ClientObject.Src_ID = src_id;
List <Client_Wrapper> ret = null;
//check if ids are already in use
//by now the range of the IDs is good and the code and goto the next step
if (newclient.ClientObject.Host == Client.Host_Type.Viewer)
{
ret = AddViewer(newclient);
}
else if (newclient.ClientObject.Host == Client.Host_Type.Server)
{
ret = AddServer(newclient);
}
else
{
Debug.Assert(false);
}
if (ret != null)
{//either a pairing occured or a client connected
if (ret.Count == 1)
{
if (OnClientConnectEvent != null)
{
OnClientConnectEvent(ret.Select(a => a.ClientObject).ToList());
}
}
else if (ret.Count == 2)
{
if (OnPairedEvent != null)
{
OnClientConnectEvent(ret.Select(a => a.ClientObject).ToList());
}
}
else
{
Debug.Assert(false);//never hit this!!
}
}
return(ret);
}
public void PendingClientDisconnecting(ServerSocket s)
{
}
void AcceptCallback(IAsyncResult ar)
{
allDone.Set();
Socket listener = (Socket)ar.AsyncState;
Socket handler = null;
try
{
handler = listener.EndAccept(ar);
}
catch (Exception e)
{
if (handler != null)
handler.Dispose();
return;
}
if (ConnectedCount >= Constants.MAXCLIENTS)
{
Debug.WriteLine("Too man clients disconnecting new client ");
handler.Close();
return;
}
handler.NoDelay = true;
handler.Blocking = false;
var state = new ServerSocket();
state.SocketObject = handler;
// LOG += "Accept Pending Connection<br/>";
Debug.WriteLine("Accept Pending Connection");
lock (PendingConnectionsLock)
{
PendingConnections.Add(state);
}
}
List<Client_Wrapper> PairUp(ServerSocket state)
{
if (state.BufferCount >= Constants.GATEWAY_HEADER_SIZE)
{//if there is enough data, try to pair up
//the ids are validated in the manager class
return ClientManager.Add(state, BitConverter.ToInt32(state.buffer, 0), BitConverter.ToInt32(state.buffer, 4));
}
return null;
}
public List<Client_Wrapper> Add(ServerSocket c, int dst_id, int src_id)
{
//BEGING VALIDATION
Debug.WriteLine("Attempting to pair connections dst_id " + dst_id.ToString() + "src_id " + src_id);
var newclient = new Client_Wrapper();
newclient.SocketObject = c;
newclient.ClientObject.ConnectTime = DateTime.Now;
if(dst_id == -1)
newclient.ClientObject.Host = Client.Host_Type.Server;
else if(src_id == -1)
{
newclient.ClientObject.Host = Client.Host_Type.Viewer;
//servers have their info set when they get an ID, viewers dont until they are added
var remoteIpEndPoint = newclient.SocketObject.SocketObject.RemoteEndPoint as System.Net.IPEndPoint;
newclient.ClientObject.Firewall_IP = remoteIpEndPoint.Address.ToString();
newclient.ClientObject.Firewall_Port = remoteIpEndPoint.Port.ToString();
} else
{
c.ShouldDisconnect = true;
Debug.WriteLine("Disconnecting connection because of unknown client type");
return null;
}
//attempt to pair up!
//check id range
if(newclient.ClientObject.Host == Client.Host_Type.Viewer && (dst_id < 0 || dst_id >= Constants.MAXCLIENTS))
{
c.ShouldDisconnect = true;
Debug.WriteLine("Disconnecting connection because a viewer cannot connect to a value less than 0 Or greater than " + Constants.MAXCLIENTS.ToString());
return null;
}
if(newclient.ClientObject.Host == Client.Host_Type.Server && (src_id < 0 || dst_id >= Constants.MAXCLIENTS))
{
c.ShouldDisconnect = true;
Debug.WriteLine("Disconnecting connection because a server cannot have a src_id to a value less than 0Or greater than " + Constants.MAXCLIENTS.ToString());
return null;
}
//ids are going to be corrected below
newclient.ClientObject.Dst_ID = dst_id;
newclient.ClientObject.Src_ID = src_id;
List<Client_Wrapper> ret = null;
//check if ids are already in use
//by now the range of the IDs is good and the code and goto the next step
if(newclient.ClientObject.Host == Client.Host_Type.Viewer)
{
ret = AddViewer(newclient);
} else if(newclient.ClientObject.Host == Client.Host_Type.Server)
{
ret = AddServer(newclient);
} else
{
Debug.Assert(false);
}
if(ret != null)
{//either a pairing occured or a client connected
if(ret.Count == 1)
{
if(OnClientConnectEvent != null)
OnClientConnectEvent(ret.Select(a => a.ClientObject).ToList());
} else if(ret.Count == 2)
{
if(OnPairedEvent != null)
OnClientConnectEvent(ret.Select(a => a.ClientObject).ToList());
} else
Debug.Assert(false);//never hit this!!
}
return ret;
}
public void PendingClientDisconnecting(ServerSocket s)
{
}
