/// <summary>
/// Remove link on remote proxy through rpc
/// </summary>
/// <param name="ct"></param>
/// <returns></returns>
private async Task UnlinkAsync(CancellationToken ct)
{
var request = Message.Create(_socket.Id, RemoteId, CloseRequest.Create());
try {
var response = await _socket.Provider.ControlChannel.CallAsync(Proxy,
request, TimeSpan.FromSeconds(10), ct).ConfigureAwait(false);
ProxyEventSource.Log.LinkRemoved(this);
if (response != null)
{
var errorCode = (SocketError)response.Error;
if (errorCode != SocketError.Success &&
errorCode != SocketError.Timeout &&
errorCode != SocketError.Closed)
{
throw new SocketException(errorCode);
}
}
}
catch (Exception e) when(!(e is SocketException))
{
throw SocketException.Create("Failed to close", e);
}
finally {
request.Dispose();
}
}
/// <summary>
/// Close the stream part
/// </summary>
/// <param name="ct"></param>
/// <returns></returns>
private async Task TerminateConnectionAsync(CancellationToken ct)
{
var connection = _connection;
_connection = null;
ProxyEventSource.Log.StreamClosing(this, null);
try {
try {
await SendBlock.SendAsync(Message.Create(_socket.Id, RemoteId,
CloseRequest.Create()), ct).ConfigureAwait(false);
}
catch { }
try {
await connection.CloseAsync().ConfigureAwait(false);
}
catch { }
// try {
// SendBlock.Complete();
// await SendBlock.Completion.ConfigureAwait(false);
// }
// catch { }
// try {
// ReceiveBlock.Complete();
// await ReceiveBlock.Completion.ConfigureAwait(false);
// }
// catch { }
}
finally {
ProxyEventSource.Log.StreamClosed(this, null);
}
}
