| public BeginAccept ( AsyncCallback callback, object state ) : IAsyncResult | ||
| callback | AsyncCallback | |
| state | object | |
| return | IAsyncResult | |
public bool OpenService()
{
this.streamServerHost = new StreamServerHost();
var ep = streamServerHost.AddServiceEndpoint(typeof(IDataExchange), streamBinding, endpointRole, endpointVia);
ep.Behaviors.Add(relayCreds);
try
{
streamServerHost.Open();
streamServerHost.BeginAccept(StreamAccepted, null);
}
catch (Exception e)
{
Trace.TraceError("Unable to connect: {0}", e.Message);
return(false);
}
return(true);
}
public bool OpenService()
{
this.streamServerHost = new StreamServerHost();
var ep = streamServerHost.AddServiceEndpoint(typeof(IDataExchange), streamBinding, endpointRole, endpointVia);
ep.Behaviors.Add(relayCreds);
try
{
streamServerHost.Open();
streamServerHost.BeginAccept(StreamAccepted, null);
}
catch (Exception e)
{
Trace.TraceError("Unable to connect: {0}", e.Message);
return false;
}
return true;
}
void StreamAccepted(IAsyncResult asyncResult)
{
try
{
StreamConnection streamConnection = streamServerHost.EndAccept(asyncResult);
if (streamConnection != null)
{
streamServerHost.BeginAccept(StreamAccepted, null);
if (streamConnection.ConnectionInfo.StartsWith("tcp:", StringComparison.OrdinalIgnoreCase))
{
int port;
if (!int.TryParse(streamConnection.ConnectionInfo.Substring(4), out port))
{
try
{
streamConnection.Stream.Close();
}
catch (Exception ex)
{
Trace.TraceError("Error closing stream: {0}", ex.Message);
}
return;
}
else
{
bool portAllowed = noPortConstraints;
Trace.TraceInformation("Incoming connection for port {0}", port);
if (!portAllowed)
{
for (int i = 0; i < allowedPorts.Count; i++)
{
if (port == allowedPorts[i])
{
portAllowed = true;
break;
}
}
}
if (!portAllowed)
{
Trace.TraceWarning("Incoming connection for port {0} not permitted", port);
try
{
streamConnection.Stream.Close();
}
catch (Exception ex)
{
Trace.TraceError("Error closing stream: {0}", ex.Message);
}
return;
}
}
}
else if (streamConnection.ConnectionInfo.StartsWith("np:", StringComparison.OrdinalIgnoreCase))
{
string pipeName = streamConnection.ConnectionInfo.Substring(3);
Trace.TraceInformation("Incoming connection for pipe {0}", pipeName);
bool pipeAllowed = noPipeConstraints;
if (!pipeAllowed)
{
for (int i = 0; i < allowedPipes.Count; i++)
{
if (pipeName.Equals(allowedPipes[i], StringComparison.OrdinalIgnoreCase))
{
pipeAllowed = true;
break;
}
}
}
if (!pipeAllowed)
{
Trace.TraceWarning("Incoming connection for pipe {0} not permitted", pipeName);
try
{
streamConnection.Stream.Close();
}
catch (Exception ex)
{
Trace.TraceError("Error closing stream: {0}", ex.Message);
}
return;
}
}
else
{
Trace.TraceError("Unable to handle connection for {0}", streamConnection.ConnectionInfo);
streamConnection.Stream.Close();
return;
}
MultiplexConnectionInputPump connectionPump =
new MultiplexConnectionInputPump(streamConnection.Stream.Read,
OnCreateConnection,
streamConnection);
connectionPump.Run(false);
}
}
catch (Exception ex)
{
Trace.TraceError("Error accepting connection: {0}", ex.Message);
}
}
