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Additional performance improvements

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This commit is contained in:
Christian Kratky
2017-09-09 23:53:42 +02:00
parent 4a6790f0aa
commit 76151deba0
18 changed files with 100 additions and 103 deletions
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Frameworks/MQTTnet.NetStandard/Implementations/MqttServerAdapter.cs
+5 -5
View File
@@ -83,7 +83,7 @@ namespace MQTTnet.Implementations
{
try
{
var clientSocket = await _defaultEndpointSocket.AcceptAsync();
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));
}
@@ -92,7 +92,7 @@ namespace MQTTnet.Implementations
MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while accepting connection at default endpoint.");
//excessive CPU consumed if in endless loop of socket errors
Thread.Sleep(TimeSpan.FromSeconds(1));
await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken).ConfigureAwait(false);
}
}
}
@@ -103,10 +103,10 @@ namespace MQTTnet.Implementations
{
try
{
var clientSocket = await _tlsEndpointSocket.AcceptAsync();
var clientSocket = await _tlsEndpointSocket.AcceptAsync().ConfigureAwait(false);
var sslStream = new SslStream(new NetworkStream(clientSocket));
await sslStream.AuthenticateAsServerAsync(_tlsCertificate, false, SslProtocols.Tls12, false);
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));
@@ -116,7 +116,7 @@ namespace MQTTnet.Implementations
MqttTrace.Error(nameof(MqttServerAdapter), exception, "Error while accepting connection at TLS endpoint.");
//excessive CPU consumed if in endless loop of socket errors
Thread.Sleep(TimeSpan.FromSeconds(1));
await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken).ConfigureAwait(false);
}
}
}
Frameworks/MQTTnet.NetStandard/Implementations/MqttTcpChannel.cs
+2 -2
View File
@@ -38,6 +38,7 @@ namespace MQTTnet.Implementations
public async Task ConnectAsync(MqttClientOptions options)
{
if (options == null) throw new ArgumentNullException(nameof(options));
try
{
if (_socket == null)
@@ -97,12 +98,11 @@ namespace MQTTnet.Implementations
try
{
int totalBytes = 0;
var totalBytes = 0;
do
{
var read = await _dataStream.ReadAsync(buffer, totalBytes, buffer.Length - totalBytes).ConfigureAwait(false);
if (read == 0)
{
throw new MqttCommunicationException(new SocketException((int)SocketError.Disconnecting));
Frameworks/MQTTnet.NetStandard/Implementations/MqttWebSocketChannel.cs
+6 -7
View File
@@ -17,15 +17,14 @@ namespace MQTTnet.Implementations
private int WebSocketBufferSize;
private int WebSocketBufferOffset;
public async Task ConnectAsync(MqttClientOptions options)
public Task ConnectAsync(MqttClientOptions options)
{
_webSocket = null;
try
{
_webSocket = new ClientWebSocket();
await _webSocket.ConnectAsync(new Uri(options.Server), CancellationToken.None);
return _webSocket.ConnectAsync(new Uri(options.Server), CancellationToken.None);
}
catch (WebSocketException exception)
{
@@ -33,9 +32,9 @@ namespace MQTTnet.Implementations
}
}
public async Task DisconnectAsync()
public Task DisconnectAsync()
{
await _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None);
return _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None);
}
public void Dispose()
@@ -62,7 +61,7 @@ namespace MQTTnet.Implementations
WebSocketReceiveResult response;
do
{
response = await _webSocket.ReceiveAsync(new ArraySegment<byte>(temporaryBuffer), CancellationToken.None);
response = await _webSocket.ReceiveAsync(new ArraySegment<byte>(temporaryBuffer), CancellationToken.None).ConfigureAwait(false);
temporaryBuffer.CopyTo(WebSocketBuffer, offset);
offset += response.Count;
@@ -72,7 +71,7 @@ namespace MQTTnet.Implementations
WebSocketBufferSize = response.Count;
if (response.MessageType == WebSocketMessageType.Close)
{
await _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None);
await _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).ConfigureAwait(false);
}
Buffer.BlockCopy(WebSocketBuffer, 0, buffer, 0, buffer.Length);