/// <summary>
/// Search a remote device.
/// </summary>
/// <param name="vrpnObject">Searched object.</param>
/// <returns>True if exist, false else.</returns>
public bool isPresent(IVrpnObject vrpnObject)
{
return this[vrpnObject] != null;
}
/// <summary>
/// Find a remote from it VrpnNet remote object. Iterate on all object : O(n).
/// </summary>
/// <param name="name">VrpnNet remote object.</param>
/// <returns>Found object, null else.</returns>
public VrpnObjectInfo this[IVrpnObject remote]
{
get
{
foreach (VrpnObjectInfo r in remotes)
if (r.Remote == remote)
return r;
return null;
}
}
/// <summary>
/// Remove a client when it shutdown the connection.
/// </summary>
/// <param name="socket">Client socket.</param>
/// <param name="sender">Remote object associate to the client.</param>
void RemoveClient(IVrpnObject sender)
{
//sender.GetConnection().Dispose(); // Don't even think about it. Crash at 100%.
VrpnObjectInfo remote = this.remotes[sender];
Socket socket = remote.Socket;
socket.Shutdown(SocketShutdown.Both);
socket.Close();
this.remotes.SyncRemove(remote);
Console.WriteLine("Close client connection.");
}
/// <summary>
/// Send event to the associate client.
/// </summary>
/// <param name="sender"></param>
/// <param name="evt"></param>
private void SendEvent(IVrpnObject sender, Event evt)
{
stream = new MemoryStream();
formatter.Serialize(stream, evt);
sendBuffer = stream.GetBuffer();
Socket conveyor = this.remotes[sender].Socket;
try
{
conveyor.Send(sendBuffer);
}
catch (SocketException)
{
Console.WriteLine("Client connection error. He maybe quits.");
this.RemoveClient(sender);
}
}
/// <summary>
/// Send event to the associate client.
/// </summary>
/// <param name="sender"></param>
/// <param name="evt"></param>
private void SendEvent(IVrpnObject sender, Event evt)
{
stream = new MemoryStream();
formatter.Serialize(stream, evt);
sendBuffer = stream.GetBuffer();
Socket conveyor = this.remotes[sender].Socket;
try
{
// Begin sending the data to the remote device.
conveyor.BeginSend(sendBuffer, 0, sendBuffer.Length, 0, new AsyncCallback(SendCallback), conveyor);
}
catch (SocketException se)
{
Console.WriteLine("Sending error " + se.SocketErrorCode + "(" + se.ErrorCode + ") : " + se.Message + " on " + evt.Device);
//Quit only if socket is disconnected.
if (!conveyor.Connected)
{
Console.WriteLine("Client connection error. He maybe quits.");
this.RemoveClient(sender);
}
} catch (Exception e) {
Console.WriteLine(e.ToString());
}
}
