public async Task DisposeAsync(IOBehavior ioBehavior, CancellationToken cancellationToken)
{
if (m_payloadHandler != null)
{
// attempt to gracefully close the connection, ignoring any errors (it may have been closed already by the server, etc.)
State state;
lock (m_lock)
{
if (m_state == State.Connected || m_state == State.Failed)
{
m_state = State.Closing;
}
state = m_state;
}
if (state == State.Closing)
{
try
{
m_payloadHandler.StartNewConversation();
await m_payloadHandler.WritePayloadAsync(QuitPayload.Create(), ioBehavior).ConfigureAwait(false);
}
catch (IOException)
{
}
catch (SocketException)
{
}
}
}
ShutdownSocket();
lock (m_lock)
m_state = State.Closed;
}
public async Task DisposeAsync(CancellationToken cancellationToken)
{
if (m_transmitter != null)
{
try
{
await m_transmitter.SendAsync(QuitPayload.Create(), cancellationToken).ConfigureAwait(false);
await m_transmitter.TryReceiveReplyAsync(cancellationToken).ConfigureAwait(false);
}
catch (SocketException)
{
// socket may have been closed during shutdown; ignore
}
m_transmitter = null;
}
if (m_socket != null)
{
if (m_socket.Connected)
{
m_socket.Shutdown(SocketShutdown.Both);
}
Utility.Dispose(ref m_socket);
}
m_state = State.Closed;
}
public void Dispose()
{
if (m_state == State.Connected)
{
try
{
m_transmitter.SendAsync(QuitPayload.Create(), CancellationToken.None).GetAwaiter().GetResult();
m_transmitter.TryReceiveReplyAsync(CancellationToken.None).AsTask().GetAwaiter().GetResult();
}
catch (SocketException)
{
// socket may have been closed during shutdown; ignore
}
}
m_transmitter = null;
if (m_socket != null)
{
if (m_socket.Connected)
{
m_socket.Shutdown(SocketShutdown.Both);
}
Utility.Dispose(ref m_socket);
}
m_state = State.Closed;
}
public async Task DisposeAsync(IOBehavior ioBehavior, CancellationToken cancellationToken)
{
if (m_payloadHandler != null)
{
try
{
m_payloadHandler.StartNewConversation();
await m_payloadHandler.WritePayloadAsync(QuitPayload.Create(), ioBehavior).ConfigureAwait(false);
await m_payloadHandler.ReadPayloadAsync(ProtocolErrorBehavior.Ignore, ioBehavior).ConfigureAwait(false);
}
catch (SocketException)
{
// socket may have been closed during shutdown; ignore
}
}
ShutdownSocket();
m_state = State.Closed;
}
public async Task DisposeAsync(IOBehavior ioBehavior, CancellationToken cancellationToken)
{
if (m_payloadHandler != null)
{
// attempt to gracefully close the connection, ignoring any errors (it may have been closed already by the server, etc.)
try
{
m_payloadHandler.StartNewConversation();
await m_payloadHandler.WritePayloadAsync(QuitPayload.Create(), ioBehavior).ConfigureAwait(false);
await m_payloadHandler.ReadPayloadAsync(ProtocolErrorBehavior.Ignore, ioBehavior).ConfigureAwait(false);
}
catch (IOException)
{
}
catch (SocketException)
{
}
}
ShutdownSocket();
m_state = State.Closed;
}