private void ConnectionReceived(StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
{
var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(args.Socket), new DefaultMqttV311PacketSerializer());
var identifier = $"{args.Socket.Information.RemoteAddress}:{args.Socket.Information.RemotePort}";
ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(identifier, clientAdapter));
}
private async Task AcceptConnectionsAsync(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
var clientSocket = await Task.Factory.FromAsync(_socket.BeginAccept, _socket.EndAccept, null);
var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(clientSocket), new DefaultMqttV311PacketSerializer());
ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
}
}
private void AcceptDefaultEndpointConnectionsAsync(StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
{
try
{
var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(args.Socket), new MqttV311PacketSerializer());
ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(args.Socket.Information.RemoteAddress.ToString(), clientAdapter));
}
catch (Exception exception)
{
MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while acceping connection at default endpoint.");
}
}
private async Task AcceptConnectionsAsync(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
var clientSocket = await _socket.AcceptAsync();
MqttServerSslChannel mssc = new MqttServerSslChannel(clientSocket, _x590Certificate2);
await mssc.Authenticate();
var clientAdapter = new MqttChannelCommunicationAdapter(mssc, new DefaultMqttV311PacketSerializer());
ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
}
}
private async Task AcceptDefaultEndpointConnectionsAsync(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
try
{
var clientSocket = await Task.Factory.FromAsync(_defaultEndpointSocket.BeginAccept, _defaultEndpointSocket.EndAccept, null);
var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(clientSocket, null), new DefaultMqttV311PacketSerializer());
ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
}
catch (Exception exception) when(!(exception is ObjectDisposedException))
{
MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while acceping connection at default endpoint.");
}
}
}
private async Task AcceptTlsEndpointConnectionsAsync(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
try
{
var clientSocket = await Task.Factory.FromAsync(_defaultEndpointSocket.BeginAccept, _defaultEndpointSocket.EndAccept, null);
var sslStream = new SslStream(new NetworkStream(clientSocket));
await sslStream.AuthenticateAsServerAsync(_tlsCertificate, false, SslProtocols.Tls12, false);
var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(clientSocket, sslStream), new DefaultMqttV311PacketSerializer());
ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
}
catch (Exception exception)
{
MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while acceping connection at TLS endpoint.");
}
}
}
private async Task AcceptDefaultEndpointConnectionsAsync(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
try
{
var clientSocket = await _defaultEndpointSocket.AcceptAsync().ConfigureAwait(false);
var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(clientSocket, null), new MqttPacketSerializer());
ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
}
catch (Exception exception)
{
MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while accepting connection at default endpoint.");
//excessive CPU consumed if in endless loop of socket errors
await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken).ConfigureAwait(false);
}
}
}
private async Task AcceptDefaultEndpointConnectionsAsync(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
try
{
var clientSocket = await Task.Factory.FromAsync(_defaultEndpointSocket.BeginAccept, _defaultEndpointSocket.EndAccept, null).ConfigureAwait(false);
var tcpChannel = new MqttTcpChannel(clientSocket, null);
var clientAdapter = new MqttChannelCommunicationAdapter(tcpChannel, new MqttPacketSerializer());
ClientAccepted?.Invoke(clientAdapter);
}
catch (Exception exception) when(!(exception is ObjectDisposedException))
{
MqttNetTrace.Error(nameof(MqttServerAdapter), exception, "Error while accepting connection at default endpoint.");
//excessive CPU consumed if in endless loop of socket errors
await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken).ConfigureAwait(false);
}
}
}
private async Task AcceptTlsEndpointConnectionsAsync(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
try
{
var clientSocket = await _tlsEndpointSocket.AcceptAsync().ConfigureAwait(false);
var sslStream = new SslStream(new NetworkStream(clientSocket));
await sslStream.AuthenticateAsServerAsync(_tlsCertificate, false, SslProtocols.Tls12, false).ConfigureAwait(false);
var clientAdapter = new MqttChannelCommunicationAdapter(new MqttTcpChannel(clientSocket, sslStream), new MqttPacketSerializer());
ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(clientSocket.RemoteEndPoint.ToString(), clientAdapter));
}
catch (Exception exception)
{
MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while accepting connection at TLS endpoint.");
//excessive CPU consumed if in endless loop of socket errors
await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken).ConfigureAwait(false);
}
}
}
