private void ClientOnConnected(NamedPipeConnection <TRead, TWrite> connection)
{
if (ClientConnected != null)
{
ClientConnected(connection);
}
}
private void ClientOnReceiveMessage(NamedPipeConnection <TRead, TWrite> connection, TRead message)
{
if (ClientMessage != null)
{
ClientMessage(connection, message);
}
}
private void ClientOnDisconnected(NamedPipeConnection <TRead, TWrite> connection)
{
if (connection == null)
{
return;
}
lock (_connections)
{
_connections.Remove(connection);
}
if (ClientDisconnected != null)
{
ClientDisconnected(connection);
}
}
private void WaitForConnection(string pipeName, PipeSecurity pipeSecurity)
{
NamedPipeServerStream handshakePipe = null;
NamedPipeServerStream dataPipe = null;
NamedPipeConnection <TRead, TWrite> connection = null;
var connectionPipeName = GetNextConnectionPipeName(pipeName);
try
{
// Send the client the name of the data pipe to use
handshakePipe = PipeServerFactory.CreateAndConnectPipe(pipeName, pipeSecurity);
var handshakeWrapper = new PipeStreamWrapper <string, string>(handshakePipe);
handshakeWrapper.WriteObject(connectionPipeName);
handshakeWrapper.WaitForPipeDrain();
handshakeWrapper.Close();
// Wait for the client to connect to the data pipe
dataPipe = PipeServerFactory.CreatePipe(connectionPipeName, pipeSecurity);
dataPipe.WaitForConnection();
// Add the client's connection to the list of connections
connection = ConnectionFactory.CreateConnection <TRead, TWrite>(dataPipe);
connection.ReceiveMessage += ClientOnReceiveMessage;
connection.Disconnected += ClientOnDisconnected;
connection.Error += ConnectionOnError;
connection.Open();
lock (_connections)
{
_connections.Add(connection);
}
ClientOnConnected(connection);
}
// Catch the IOException that is raised if the pipe is broken or disconnected.
catch (Exception e)
{
Console.Error.WriteLine("Named pipe is broken or disconnected: {0}", e);
Cleanup(handshakePipe);
Cleanup(dataPipe);
ClientOnDisconnected(connection);
}
}
/// <summary>
/// Invoked on the UI thread.
/// </summary>
private void ConnectionOnError(NamedPipeConnection <TRead, TWrite> connection, Exception exception)
{
OnError(exception);
}