|
public ReceiveAsync ( System |
||
| buffer | System |
|
| cancellationToken | System | |
| return | System.Threading.Tasks.Task |
|
private void TestWebSockets()
{
var socket = new ClientWebSocket();
Console.WriteLine("Connecting");
socket.ConnectAsync(new Uri("wss://echo.websocket.org"), CancellationToken.None).Wait();
Console.WriteLine("Sending");
socket.SendAsync(new ArraySegment<byte>(Encoding.UTF8.GetBytes("Hello")), WebSocketMessageType.Text, true, CancellationToken.None).Wait();
var buffer = new byte[1024];
Console.WriteLine("Receiving");
var result = socket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None).Result;
Console.WriteLine($"Recieved: {Encoding.UTF8.GetString(buffer, 0, result.Count)}");
}
private async Task ListenAsync()
{
while (true)
{
var buffer = new byte[ReceiveChunkSize];
var stringResult = new List <byte>();
var binaryResult = new List <byte>();
WebSocketReceiveResult result = null;
while (_ws.State == WebSocketState.Open)
{
try
{
//result = await _ws.ReceiveAsync(new ArraySegment<byte>(buffer), _wsWorkTokenSource.Token);
result = await _ws.ReceiveAsync(new ArraySegment <byte>(buffer), CancellationToken.None);
if (result.MessageType == WebSocketMessageType.Close)
{
Close("io server disconnect");
break;
}
else if (result.MessageType == WebSocketMessageType.Text)
{
stringResult.AddRange(buffer.Take(result.Count));
}
else if (result.MessageType == WebSocketMessageType.Binary)
{
binaryResult.AddRange(buffer.Take(result.Count));
}
if (result.EndOfMessage)
{
break;
}
}
catch (WebSocketException e)
{
Close(e.Message);
break;
}
}
if (result == null)
{
break;
}
if (result.MessageType == WebSocketMessageType.Text)
{
string message = Encoding.UTF8.GetString(stringResult.ToArray());
#if DEBUG
Trace.WriteLine($"⬇ {DateTime.Now} {message}");
#endif
_parser.Unpack(message);
}
else if (result.MessageType == WebSocketMessageType.Binary)
{
#if DEBUG
Trace.WriteLine($"⬇ {DateTime.Now} Binary message");
#endif
_io.InvokeBytesReceived(_io.Options.EIO == 4 ? binaryResult.ToArray() : binaryResult.Skip(1).ToArray());
}
}
}
public static async Task RunSample()
{
ClientWebSocket websocket = new ClientWebSocket();
string url = "ws://localhost:5000/";
Console.WriteLine("Connecting to: " + url);
await websocket.ConnectAsync(new Uri(url), CancellationToken.None);
string message = "Hello World";
Console.WriteLine("Sending message: " + message);
byte[] messageBytes = Encoding.UTF8.GetBytes(message);
await websocket.SendAsync(new ArraySegment<byte>(messageBytes), WebSocketMessageType.Text, true, CancellationToken.None);
byte[] incomingData = new byte[1024];
WebSocketReceiveResult result = await websocket.ReceiveAsync(new ArraySegment<byte>(incomingData), CancellationToken.None);
if (result.CloseStatus.HasValue)
{
Console.WriteLine("Closed; Status: " + result.CloseStatus + ", " + result.CloseStatusDescription);
}
else
{
Console.WriteLine("Received message: " + Encoding.UTF8.GetString(incomingData, 0, result.Count));
}
}
private Task PullResponse()
{
return(Task.Factory.StartNew(async() =>
{
string result = string.Empty;
var allBytes = new List <byte>();
while (WebSocketState.Open == socket.State && !this._cancellationTokenSource.Token.IsCancellationRequested)
{
var rcvBuffer = WebSocket.CreateClientBuffer(4096, 4096);
WebSocketReceiveResult webSocketReceiveResult = await socket.ReceiveAsync(rcvBuffer, this._cancellationTokenSource.Token);
if (null != webSocketReceiveResult)
{
allBytes.AddRange(new List <byte>(rcvBuffer).GetRange(0, webSocketReceiveResult.Count));
if (allBytes.Count > 0 && webSocketReceiveResult.EndOfMessage)
{
result = Encoding.UTF8.GetString(allBytes.ToArray(), 0, allBytes.Count);
Console.Write(result);
allBytes.Clear();
}
}
}
if (!string.IsNullOrEmpty(result) && PassThru.ToBool())
{
WriteObject(result.TrimEnd());
}
}, this._cancellationTokenSource.Token));
}
public async Task WebsocketBasic(HostType hostType)
{
using (ApplicationDeployer deployer = new ApplicationDeployer())
{
string applicationUrl = deployer.Deploy(hostType, WebsocketBasicConfiguration);
using (var client = new ClientWebSocket())
{
await client.ConnectAsync(new Uri(applicationUrl.Replace("http://", "ws://")), CancellationToken.None);
var receiveBody = new byte[100];
for (int i = 0; i < 4; i++)
{
var message = "Message " + i.ToString();
byte[] sendBody = Encoding.UTF8.GetBytes(message);
await client.SendAsync(new ArraySegment<byte>(sendBody), WebSocketMessageType.Text, true, CancellationToken.None);
var receiveResult = await client.ReceiveAsync(new ArraySegment<byte>(receiveBody), CancellationToken.None);
Assert.Equal(WebSocketMessageType.Text, receiveResult.MessageType);
Assert.True(receiveResult.EndOfMessage);
Assert.Equal(sendBody.Length, receiveResult.Count);
Assert.Equal(message, Encoding.UTF8.GetString(receiveBody, 0, receiveResult.Count));
}
}
}
}
public async void TestConnectWebSocket()
{
if (TestHelper.IsMono)
{
Assert.Inconclusive("Mono doesn't have support to WebSockets");
}
Assert.IsNotNull(WebServer.Module<WebSocketsModule>(), "WebServer has WebSocketsModule");
Assert.AreEqual(WebServer.Module<WebSocketsModule>().Handlers.Count, 1, "WebSocketModule has one handler");
var clientSocket = new ClientWebSocket();
var ct = new CancellationTokenSource();
await clientSocket.ConnectAsync(new Uri(Resources.WsServerAddress + "/test"), ct.Token);
Assert.AreEqual(clientSocket.State, WebSocketState.Open, "Connection is open");
var message = new ArraySegment<byte>(System.Text.Encoding.Default.GetBytes("HOLA"));
var buffer = new ArraySegment<byte>(new byte[1024]);
await clientSocket.SendAsync(message, WebSocketMessageType.Text, true, ct.Token);
var result = await clientSocket.ReceiveAsync(buffer, ct.Token);
Assert.IsTrue(result.EndOfMessage);
Assert.IsTrue(System.Text.Encoding.UTF8.GetString(buffer.Array).TrimEnd((char) 0) == "WELCOME");
}
public static async Task Send(ClientWebSocket websocket)
{
string message = "Hello World";
//Console.WriteLine("Sending message: " + message);
byte[] messageBytes = Encoding.UTF8.GetBytes(message);
await websocket.SendAsync(new ArraySegment<byte>(messageBytes), WebSocketMessageType.Text, true, CancellationToken.None);
byte[] incomingData = new byte[1024];
WebSocketReceiveResult result = await websocket.ReceiveAsync(new ArraySegment<byte>(incomingData), CancellationToken.None);
}
private static async Task startRunner()
{
var socketUrl = await getSocketUrl();
ClientWebSocket ws = new ClientWebSocket();
await ws.ConnectAsync(new Uri($"ws://{socketUrl}"), CancellationToken.None);
var buffer = new byte[1024 * 10];
await send(ws, new CreateNewGameRequestSocketMessage() { GameType = "sevens" });
while (true)
{
var segment = new ArraySegment<byte>(buffer);
var result = await ws.ReceiveAsync(segment, CancellationToken.None);
switch (result.MessageType)
{
case WebSocketMessageType.Binary:
byte[] bytes = new byte[result.Count];
Array.ConstrainedCopy(segment.Array, 0, bytes, 0, result.Count);
var obj = Serializer.Deserialize(bytes);
if (obj is GameStartedSocketMessage)
{
totalGames++;
games++;
}
else if (obj is AskQuestionSocketMessage)
{
var answerQ = (AskQuestionSocketMessage)obj;
await send(ws, new AnswerQuestionSocketMessage()
{
AnswerIndex = (short)(answerQ.Answers.Length > 1 ? 1 : 0)
});
totalAnswers++;
}
else if (obj is GameOverSocketMessage)
{
await ws.CloseAsync(WebSocketCloseStatus.NormalClosure, "Done", CancellationToken.None);
games--;
return;
}
break;
case WebSocketMessageType.Close:
await ws.CloseAsync(WebSocketCloseStatus.NormalClosure, "Done", CancellationToken.None);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
private async Task ListenAsync()
{
var buffer = new byte[ReceiveChunkSize];
try
{
while (_ws.State == WebSocketState.Open)
{
var stringResult = new StringBuilder();
var binaryResult = new List <byte>();
WebSocketReceiveResult result;
do
{
result = await _ws.ReceiveAsync(new ArraySegment <byte>(buffer), _connectionToken.Token);
if (result.MessageType == WebSocketMessageType.Close)
{
Close();
}
else if (result.MessageType == WebSocketMessageType.Text)
{
string str = Encoding.UTF8.GetString(buffer, 0, result.Count);
stringResult.Append(str);
}
else if (result.MessageType == WebSocketMessageType.Binary)
{
binaryResult.AddRange(buffer.Take(result.Count));
}
} while (!result.EndOfMessage);
if (result.MessageType == WebSocketMessageType.Text)
{
string message = stringResult.ToString();
#if DEBUG
Trace.WriteLine($"⬇ {DateTime.Now} {message}");
#endif
_parser.Unpack(message);
}
else if (result.MessageType == WebSocketMessageType.Binary)
{
#if DEBUG
var builder = new StringBuilder();
binaryResult.ForEach(b => builder.Append(b));
Trace.WriteLine($"⬇ {DateTime.Now} {builder}");
#endif
_io.InvokeBytesReceived(binaryResult.Skip(1).ToArray());
}
}
}
finally
{
// _ws.Dispose();
}
}
static async Task Run()
{
var ws = new ClientWebSocket();
await ws.ConnectAsync(new Uri("ws://localhost:8088"), CancellationToken.None);
byte[] buf = new byte[4096];
var seg = new ArraySegment<byte>(buf, 0, buf.Length);
var r1 = await ws.ReceiveAsync(seg, CancellationToken.None);
string id = UTF8Encoding.UTF8.GetString(buf, 0, r1.Count);
Console.WriteLine("SessionId=" + id);
for (int i = 0; i < 20; i++)
{
var msg = UTF8Encoding.UTF8.GetBytes("Send(" + i + ")");
await ws.SendAsync(new ArraySegment<byte>(msg, 0, msg.Length), WebSocketMessageType.Text, true, CancellationToken.None);
var rcv = await ws.ReceiveAsync(seg, CancellationToken.None);
string response = UTF8Encoding.UTF8.GetString(buf, 0, rcv.Count);
Console.WriteLine("Response=" + response);
Thread.Sleep(2000);
}
}
private static async Task Receive(ClientWebSocket webSocket)
{
byte[] buffer = new byte[receiveChunkSize];
while (webSocket.State == WebSocketState.Open)
{
var result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
if (result.MessageType == WebSocketMessageType.Close)
{
await webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None);
}
else
{
LogStatus(true, buffer, result.Count);
}
}
}
private async System.Threading.Tasks.Task <Response> ReceiveMessage()
{
// Receive one web socket message
System.Collections.Generic.List <System.Collections.Generic.IEnumerable <byte> > segments = new System.Collections.Generic.List <System.Collections.Generic.IEnumerable <byte> >();
try
{
while (true)
{
byte[] buffer = new byte[4096];
var segment = new System.ArraySegment <byte>(buffer, 0, buffer.Length);
System.Net.WebSockets.WebSocketReceiveResult rcvResult = await ws.ReceiveAsync(segment, stopServerTokenSource.Token);
// Accumulate the byte arrays in a list, we will join them later
segments.Add(segment.Skip(segment.Offset).Take(rcvResult.Count));
if (rcvResult.EndOfMessage)
{
break;
}
}
}
catch (System.Net.WebSockets.WebSocketException e)
{
throw e.InnerException;
}
catch (System.Exception)
{
throw new ErrorException("Error receiving response from server.");
}
try
{
byte[] bytes = segments.SelectMany(t => t).ToArray <byte>();
string msg = System.Text.Encoding.UTF8.GetString(bytes);
return(Parse(msg));
}
catch (ErrorException e)
{
// Dispatch already built error
throw e;
}
catch (System.Exception)
{
throw new ErrorException("Error while parsing response from server.");
}
}
private async Task ReadEventsAsync()
{
var socket = new ClientWebSocket();
await socket.ConnectAsync(new Uri("ws://localhost:7070/events"), CancellationToken.None);
while (true)
{
var buffer = new byte[1024];
var segment = new ArraySegment<byte>(buffer);
var result = await socket.ReceiveAsync(segment, CancellationToken.None);
var data = Encoding.UTF8.GetString(segment.Array, 0, result.Count);
Debug.WriteLine(data);
}
}
private async Task ListenAsync()
{
var buffer = new byte[ReceiveChunkSize];
while (_ws.State == WebSocketState.Open && !_wsWorkTokenSource.IsCancellationRequested)
{
var stringResult = new StringBuilder();
var binaryResult = new List <byte>();
WebSocketReceiveResult result;
do
{
result = await _ws.ReceiveAsync(new ArraySegment <byte>(buffer), _wsWorkTokenSource.Token);
if (result.MessageType == WebSocketMessageType.Close)
{
Close("io server disconnect");
}
else if (result.MessageType == WebSocketMessageType.Text)
{
string str = Encoding.UTF8.GetString(buffer, 0, result.Count);
stringResult.Append(str);
}
else if (result.MessageType == WebSocketMessageType.Binary)
{
binaryResult.AddRange(buffer.Take(result.Count));
}
} while (!result.EndOfMessage);
if (result.MessageType == WebSocketMessageType.Text)
{
string message = stringResult.ToString();
#if DEBUG
Trace.WriteLine($"⬇ {DateTime.Now} {message}");
#endif
_parser.Unpack(message);
}
else if (result.MessageType == WebSocketMessageType.Binary)
{
#if DEBUG
Trace.WriteLine($"⬇ {DateTime.Now} Binary message");
#endif
_io.InvokeBytesReceived(binaryResult.Skip(1).ToArray());
}
}
}
// Define other methods and classes here
private async Task Receive(ClientWebSocket webSocket)
{
var buffer = new byte[64];
while (webSocket.State == WebSocketState.Open)
{
var result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
if (result.MessageType == WebSocketMessageType.Close)
{
await webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None);
}
else
{
DeserializeAndEnqueue(buffer, result.Count);
}
//if(Console.KeyAvailable)
// break;
}
}
private static void ReceiveWebsocketMessageAndAppend(ClientWebSocket client, List<String> messages)
{
var receiveBuffer = new byte[1024];
var receiveBufferSegment = new ArraySegment<byte>(receiveBuffer);
try
{
var result = client.ReceiveAsync(receiveBufferSegment, CancellationToken.None).Result;
if (result.Count > 0)
{
var message = Encoding.Default.GetString(receiveBuffer.Take(result.Count).ToArray());
if (message.Contains("error"))
{
throw new Exception("websocket returned an error message");
}
messages.Add(message);
}
}
catch (Exception) { }
}
public async Task EndToEnd_ConnectAndClose_Success()
{
OwinHttpListener listener = CreateServer(env =>
{
var accept = (WebSocketAccept)env["websocket.Accept"];
Assert.NotNull(accept);
accept(
null,
async wsEnv =>
{
var sendAsync1 = wsEnv.Get<WebSocketSendAsync>("websocket.SendAsync");
var receiveAsync1 = wsEnv.Get<WebSocketReceiveAsync>("websocket.ReceiveAsync");
var closeAsync1 = wsEnv.Get<WebSocketCloseAsync>("websocket.CloseAsync");
var buffer1 = new ArraySegment<byte>(new byte[10]);
await receiveAsync1(buffer1, CancellationToken.None);
await closeAsync1((int)WebSocketCloseStatus.NormalClosure, "Closing", CancellationToken.None);
});
return TaskHelpers.Completed();
},
HttpServerAddress);
using (listener)
{
using (var client = new ClientWebSocket())
{
await client.ConnectAsync(new Uri(WsClientAddress), CancellationToken.None);
await client.CloseOutputAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None);
WebSocketReceiveResult readResult = await client.ReceiveAsync(new ArraySegment<byte>(new byte[10]), CancellationToken.None);
Assert.Equal(WebSocketCloseStatus.NormalClosure, readResult.CloseStatus);
Assert.Equal("Closing", readResult.CloseStatusDescription);
Assert.Equal(0, readResult.Count);
Assert.True(readResult.EndOfMessage);
Assert.Equal(WebSocketMessageType.Close, readResult.MessageType);
}
}
}
private async Task Receive(ClientWebSocket socket)
{
var buffer = new byte[2048];
while (socket.State == WebSocketState.Open)
{
var result = await socket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
if (result.MessageType == WebSocketMessageType.Close)
{
await socket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None);
}
else
{
var json = Encoding.ASCII.GetString(buffer).TrimEnd('\0');
var notification = JsonConvert.DeserializeObject<WebSocketClientNotification>(json);
NotificationReceived?.Invoke(this, new WebSocketClientNotificationEventArgs(notification));
Array.Clear(buffer,0,buffer.Length);
}
}
}
public async Task Subscribe(CancellationToken cancel)
{
byte[] buffer = new byte[1024 * 1024];
ArraySegment<byte> segment = new ArraySegment<byte>(buffer);
ByteString currentRecord = await this.store.GetLastTransaction();
while (!cancel.IsCancellationRequested)
{
try
{
ClientWebSocket socket = new ClientWebSocket();
this.endpoint.Query = string.Format("from={0}", currentRecord.ToString());
logger.LogInformation("Connecting to {0}", this.endpoint.Uri);
await socket.ConnectAsync(this.endpoint.Uri, cancel);
while (true)
{
WebSocketReceiveResult result = await socket.ReceiveAsync(segment, cancel);
if (result.MessageType == WebSocketMessageType.Close)
break;
ByteString record = new ByteString(buffer.Take(result.Count));
await store.AddTransactions(new[] { record });
currentRecord = new ByteString(MessageSerializer.ComputeHash(record.ToByteArray()));
}
}
catch (Exception exception)
{
logger.LogError("Error in the stream subscriber: {0}", exception.ToString());
}
await Task.Delay(TimeSpan.FromMinutes(1));
}
}
public override async Task RunAsync(CancellationToken cancellationToken)
{
using (var ws = new ClientWebSocket())
{
await ws.ConnectAsync(_rtm.WebSocketUri, cancellationToken);
while (!cancellationToken.IsCancellationRequested)
{
using (var ms = new MemoryStream())
{
WebSocketReceiveResult result;
do
{
result = await ws.ReceiveAsync(_buffer, cancellationToken);
await ms.WriteAsync(_buffer.Array, _buffer.Offset, result.Count, cancellationToken);
} while (!result.EndOfMessage);
ms.Seek(0, SeekOrigin.Begin);
HandleEvent(ms);
}
}
}
}
public async Task EndToEnd_EchoData_Success()
{
OwinHttpListener listener = CreateServer(env =>
{
var accept = (WebSocketAccept)env["websocket.Accept"];
Assert.NotNull(accept);
accept(
null,
async wsEnv =>
{
var sendAsync = wsEnv.Get<WebSocketSendAsync>("websocket.SendAsync");
var receiveAsync = wsEnv.Get<WebSocketReceiveAsync>("websocket.ReceiveAsync");
var closeAsync = wsEnv.Get<WebSocketCloseAsync>("websocket.CloseAsync");
var buffer = new ArraySegment<byte>(new byte[100]);
Tuple<int, bool, int> serverReceive = await receiveAsync(buffer, CancellationToken.None);
await sendAsync(new ArraySegment<byte>(buffer.Array, 0, serverReceive.Item3),
serverReceive.Item1, serverReceive.Item2, CancellationToken.None);
await closeAsync((int)WebSocketCloseStatus.NormalClosure, "Closing", CancellationToken.None);
});
return TaskHelpers.Completed();
},
HttpServerAddress);
using (listener)
{
using (var client = new ClientWebSocket())
{
await client.ConnectAsync(new Uri(WsClientAddress), CancellationToken.None);
byte[] sendBody = Encoding.UTF8.GetBytes("Hello World");
await client.SendAsync(new ArraySegment<byte>(sendBody), WebSocketMessageType.Text, true, CancellationToken.None);
var receiveBody = new byte[100];
WebSocketReceiveResult readResult = await client.ReceiveAsync(new ArraySegment<byte>(receiveBody), CancellationToken.None);
Assert.Equal(WebSocketMessageType.Text, readResult.MessageType);
Assert.True(readResult.EndOfMessage);
Assert.Equal(sendBody.Length, readResult.Count);
Assert.Equal("Hello World", Encoding.UTF8.GetString(receiveBody, 0, readResult.Count));
}
}
}
public async Task SubProtocol_SelectLastSubProtocol_Success()
{
OwinHttpListener listener = CreateServer(env =>
{
var accept = (WebSocketAccept)env["websocket.Accept"];
Assert.NotNull(accept);
var requestHeaders = env.Get<IDictionary<string, string[]>>("owin.RequestHeaders");
var responseHeaders = env.Get<IDictionary<string, string[]>>("owin.ResponseHeaders");
// Select the last sub-protocol from the client.
string subProtocol = requestHeaders["Sec-WebSocket-Protocol"].Last().Split(',').Last().Trim();
responseHeaders["Sec-WebSocket-Protocol"] = new string[] { subProtocol + "A" };
accept(
new Dictionary<string, object>() { { "websocket.SubProtocol", subProtocol } },
async wsEnv =>
{
var sendAsync = wsEnv.Get<WebSocketSendAsync>("websocket.SendAsync");
var receiveAsync = wsEnv.Get<WebSocketReceiveAsync>("websocket.ReceiveAsync");
var closeAsync = wsEnv.Get<WebSocketCloseAsync>("websocket.CloseAsync");
var buffer = new ArraySegment<byte>(new byte[100]);
Tuple<int, bool, int> serverReceive = await receiveAsync(buffer, CancellationToken.None);
// Assume close received
await closeAsync((int)WebSocketCloseStatus.NormalClosure, "Closing", CancellationToken.None);
});
return TaskHelpers.Completed();
},
HttpServerAddress);
using (listener)
{
using (var client = new ClientWebSocket())
{
client.Options.AddSubProtocol("protocol1");
client.Options.AddSubProtocol("protocol2");
await client.ConnectAsync(new Uri(WsClientAddress), CancellationToken.None);
await client.CloseOutputAsync(WebSocketCloseStatus.NormalClosure, "Closing", CancellationToken.None);
var receiveBody = new byte[100];
WebSocketReceiveResult readResult = await client.ReceiveAsync(new ArraySegment<byte>(receiveBody), CancellationToken.None);
Assert.Equal(WebSocketMessageType.Close, readResult.MessageType);
Assert.Equal("protocol2", client.SubProtocol);
}
}
}
public async Task Receive(ClientWebSocket webSocket)
{
byte[] buffer = new byte[1024];
string TempString = "";
while (webSocket.State == WebSocketState.Open)
{
var result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
if (result.MessageType == WebSocketMessageType.Close)
{
await webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None);
}
else
{
TempString = Encoding.UTF8.GetString(buffer);
TempString = TempString.Remove(result.Count);
if (TempString.Substring(TempString.Length - 1, 1) == "}" || TempString == "hello")
{
DecodeServerPacket(TempString);
TempString = "";
}
}
}
}
private async Task ListenAsync()
{
while (true)
{
var buffer = new byte[ReceiveChunkSize];
int count = 0;
WebSocketReceiveResult result = null;
while (_ws.State == WebSocketState.Open)
{
try
{
//result = await _ws.ReceiveAsync(new ArraySegment<byte>(buffer), _wsWorkTokenSource.Token);
var subBuffer = new byte[ReceiveChunkSize];
result = await _ws.ReceiveAsync(new ArraySegment <byte>(subBuffer), CancellationToken.None);
if (result.MessageType == WebSocketMessageType.Close)
{
Close("io server disconnect");
break;
}
else if (result.MessageType == WebSocketMessageType.Text || result.MessageType == WebSocketMessageType.Binary)
{
if (buffer.Length - count < result.Count)
{
Array.Resize(ref buffer, buffer.Length + result.Count);
}
Buffer.BlockCopy(subBuffer, 0, buffer, count, result.Count);
count += result.Count;
}
if (result.EndOfMessage)
{
break;
}
}
catch (WebSocketException e)
{
Close(e.Message);
break;
}
}
if (result == null)
{
break;
}
if (result.MessageType == WebSocketMessageType.Text)
{
string message = Encoding.UTF8.GetString(buffer, 0, count);
#if DEBUG
Trace.WriteLine($"⬇ {DateTime.Now} {message}");
#endif
_parser.Unpack(message);
}
else if (result.MessageType == WebSocketMessageType.Binary)
{
#if DEBUG
Trace.WriteLine($"⬇ {DateTime.Now} Binary message");
#endif
byte[] bytes;
if (_io.Options.EIO == 3)
{
count -= 1;
bytes = new byte[count];
Buffer.BlockCopy(buffer, 1, bytes, 0, count);
}
else
{
bytes = new byte[count];
Buffer.BlockCopy(buffer, 0, bytes, 0, count);
}
_io.InvokeBytesReceived(bytes);
}
}
}
public Task <WebSocketReceiveResult> ReceiveAsync(ArraySegment <byte> buffer, CancellationToken cancellationToken)
{
return(webSocket.ReceiveAsync(buffer, cancellationToken));
}
private void RefreshInternal(string debuggerUrl)
{
if (string.IsNullOrEmpty(debuggerUrl))
return;
ClientWebSocket connection = new ClientWebSocket();
connection.ConnectAsync(new Uri(debuggerUrl), _token).Wait();
PageReloadRequest request = new PageReloadRequest();
string rawRequest = request.ToJson();
var data = new ArraySegment<byte>(Encoding.UTF8.GetBytes(rawRequest));
connection.SendAsync(data, WebSocketMessageType.Text, true, _token).Wait();
var buffer = new ArraySegment<byte>(new byte[1024]);
Task<WebSocketReceiveResult> receiveAsync = connection.ReceiveAsync(buffer, _token);
receiveAsync.Wait();
string rawResponse = Encoding.UTF8.GetString(buffer.Array, 0, receiveAsync.Result.Count);
DebugProtocolResponse response = rawResponse.FromJson<DebugProtocolResponse>();
if (null != response.Error)
{
Trace.TraceWarning("Browser returned an error as a response to reload request: {0}",
response.Error.Message);
}
connection.Dispose();
}
private async Task<string> ReceiveFromSocket(ClientWebSocket theSocket)
{
// receive
var arraySegment = new ArraySegment<byte>(new Byte[1024 * 256]);
var res = await theSocket.ReceiveAsync(arraySegment, CancellationToken.None);
return Encoding.UTF8.GetString(arraySegment.Actualize(res.Count));
}
private static async void Subscribe(string product, Action<RealtimeMessage> onMessageReceived)
{
if (String.IsNullOrWhiteSpace(product))
throw new ArgumentNullException("product");
if (onMessageReceived == null)
throw new ArgumentNullException("onMessageReceived", "Message received callback must not be null.");
var uri = new Uri("wss://ws-feed.exchange.coinbase.com");
var webSocketClient = new ClientWebSocket();
var cancellationToken = new CancellationToken();
var requestString = String.Format(@"{{""type"": ""subscribe"",""product_id"": ""{0}""}}", product);
var requestBytes = UTF8Encoding.UTF8.GetBytes(requestString);
await webSocketClient.ConnectAsync(uri, cancellationToken);
if (webSocketClient.State == WebSocketState.Open)
{
var subscribeRequest = new ArraySegment<byte>(requestBytes);
var sendCancellationToken = new CancellationToken();
await webSocketClient.SendAsync(subscribeRequest, WebSocketMessageType.Text, true, sendCancellationToken);
while (webSocketClient.State == WebSocketState.Open)
{
var receiveCancellationToken = new CancellationToken();
var receiveBuffer = new ArraySegment<byte>(new byte[1024 * 1024 * 5]); // 5MB buffer
var webSocketReceiveResult = await webSocketClient.ReceiveAsync(receiveBuffer, receiveCancellationToken);
if (webSocketReceiveResult.Count == 0) continue;
var jsonResponse = Encoding.UTF8.GetString(receiveBuffer.Array, 0, webSocketReceiveResult.Count);
var jToken = JToken.Parse(jsonResponse);
var typeToken = jToken["type"];
if (typeToken == null) continue;
var type = typeToken.Value<string>();
RealtimeMessage realtimeMessage = null;
switch (type)
{
case "received":
realtimeMessage = new RealtimeReceived(jToken);
break;
case "open":
realtimeMessage = new RealtimeOpen(jToken);
break;
case "done":
realtimeMessage = new RealtimeDone(jToken);
break;
case "match":
realtimeMessage = new RealtimeMatch(jToken);
break;
case "change":
realtimeMessage = new RealtimeChange(jToken);
break;
default:
break;
}
if (realtimeMessage == null)
continue;
onMessageReceived(realtimeMessage);
}
}
}
public async Task Subscribe(CancellationToken cancel)
{
byte[] buffer = new byte[1024 * 1024];
ArraySegment<byte> segment = new ArraySegment<byte>(buffer);
IServiceScopeFactory scopeFactory = services.GetService<IServiceScopeFactory>();
ILogger logger = services.GetRequiredService<ILogger>();
while (!cancel.IsCancellationRequested)
{
try
{
using (IServiceScope scope = scopeFactory.CreateScope())
{
IStorageEngine storageEngine = scope.ServiceProvider.GetRequiredService<IStorageEngine>();
await storageEngine.Initialize();
ByteString currentRecord = await storageEngine.GetLastTransaction();
ClientWebSocket socket = new ClientWebSocket();
this.endpoint.Query = string.Format("from={0}", currentRecord.ToString());
logger.LogInformation("Connecting to {0}", this.endpoint.Uri);
await socket.ConnectAsync(this.endpoint.Uri, cancel);
while (true)
{
ByteString transaction;
using (MemoryStream stream = new MemoryStream(1024))
{
WebSocketReceiveResult result;
do
{
result = await socket.ReceiveAsync(segment, cancel);
if (result.MessageType == WebSocketMessageType.Close)
break;
stream.Write(segment.Array, segment.Offset, result.Count);
} while (!result.EndOfMessage);
stream.Seek(0, SeekOrigin.Begin);
using (BinaryReader reader = new BinaryReader(stream))
{
transaction = new ByteString(reader.ReadBytes((int)stream.Length));
}
}
await storageEngine.AddTransactions(new[] { transaction });
currentRecord = new ByteString(MessageSerializer.ComputeHash(transaction.ToByteArray()));
}
}
}
catch (Exception exception)
{
logger.LogError("Error in the stream subscriber: {0}", exception.ToString());
}
await Task.Delay(TimeSpan.FromMinutes(1));
}
}
protected void SendIntegrationTestMessages()
{
using (var client1 = new ClientWebSocket())
using (var client2 = new ClientWebSocket())
{
client1.ConnectAsync(new Uri("ws://localhost:8989"), CancellationToken.None).Wait();
Task.Delay(100).Wait();
client2.ConnectAsync(new Uri("ws://localhost:8989"), CancellationToken.None).Wait();
Task.Delay(100).Wait();
var bytes2 = new byte[1024];
var segment2 = new ArraySegment<byte>(bytes2);
var receive2 = client2.ReceiveAsync(segment2, CancellationToken.None);
var message1 = "Hello world";
var bytes1 = Encoding.UTF8.GetBytes(message1);
var segment1 = new ArraySegment<byte>(bytes1);
client1.SendAsync(segment1, WebSocketMessageType.Text, true, CancellationToken.None).Wait();
Task.Delay(100).Wait();
var result2 = receive2.Result;
Assert.AreEqual(WebSocketMessageType.Text, result2.MessageType);
var message3 = Encoding.UTF8.GetString(segment2.Array, 0, result2.Count);
Assert.AreEqual("User 1: Hello world", message3);
client2.CloseOutputAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).Wait();
client2.Dispose();
Task.Delay(100).Wait();
client1.CloseOutputAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).Wait();
client1.Dispose();
Task.Delay(100).Wait();
}
}
public void AuthorizationTest()
{
using (WebApp.Start(new StartOptions("http://localhost:8989"), startup =>
{
startup.MapOwinFleckRoute("/fleck", connection =>
{
var id = ConfigureIntegrationTestConnectionAndGetId(connection);
connection.OnAuthenticateRequest = () =>
{
var result = id % 2 == 1;
Send(id, $"Auth {id}: {result}");
return result;
};
});
}))
using (var client1 = new ClientWebSocket())
using (var client2 = new ClientWebSocket())
using (var client3 = new ClientWebSocket())
{
client1.ConnectAsync(new Uri("ws://localhost:8989/fleck"), CancellationToken.None).Wait();
try
{
client2.ConnectAsync(new Uri("ws://localhost:8989/fleck"), CancellationToken.None).Wait();
Assert.Fail("Client 2 should not be unauthorized");
}
catch (AggregateException ex)
{
Assert.AreEqual("Unable to connect to the remote server", ex.InnerException.Message);
}
client3.ConnectAsync(new Uri("ws://localhost:8989/fleck"), CancellationToken.None).Wait();
var bytes3 = new byte[1024];
var segment3 = new ArraySegment<byte>(bytes3);
var receive3 = client3.ReceiveAsync(segment3, CancellationToken.None);
var message1 = "Hello world";
var bytes1 = Encoding.UTF8.GetBytes(message1);
var segment1 = new ArraySegment<byte>(bytes1);
client1.SendAsync(segment1, WebSocketMessageType.Text, true, CancellationToken.None).Wait();
var result3 = receive3.Result;
Assert.AreEqual(WebSocketMessageType.Text, result3.MessageType);
var message3 = Encoding.UTF8.GetString(segment3.Array, 0, result3.Count);
Assert.AreEqual(message3, "User 1: Hello world");
client3.CloseOutputAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).Wait();
client3.Dispose();
Task.Delay(100).Wait();
client1.CloseOutputAsync(WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).Wait();
client1.Dispose();
Task.Delay(100).Wait();
}
var messages = DequeueMessages();
Assert.AreEqual(8, messages.Count);
Assert.AreEqual("Auth 1: True", messages[0]);
Assert.AreEqual("Open: 1", messages[1]);
Assert.AreEqual("Auth 2: False", messages[2]);
Assert.AreEqual("Auth 3: True", messages[3]);
Assert.AreEqual("Open: 3", messages[4]);
Assert.AreEqual("User 1: Hello world", messages[5]);
Assert.AreEqual("Close: 3", messages[6]);
Assert.AreEqual("Close: 1", messages[7]);
}
private async Task ListenAsync(CancellationToken cancellationToken)
{
while (true)
{
if (cancellationToken.IsCancellationRequested)
{
break;
}
var buffer = new byte[ReceiveChunkSize];
int count = 0;
WebSocketReceiveResult result = null;
while (_ws.State == WebSocketState.Open)
{
try
{
if (cancellationToken.IsCancellationRequested)
{
break;
}
var subBuffer = new byte[ReceiveChunkSize];
result = await _ws.ReceiveAsync(new ArraySegment <byte>(subBuffer), cancellationToken);
if (result.MessageType == WebSocketMessageType.Close)
{
OnClosed("io server disconnect");
break;
}
else if (result.MessageType == WebSocketMessageType.Text || result.MessageType == WebSocketMessageType.Binary)
{
if (buffer.Length - count < result.Count)
{
Array.Resize(ref buffer, buffer.Length + result.Count);
}
Buffer.BlockCopy(subBuffer, 0, buffer, count, result.Count);
count += result.Count;
}
if (result.EndOfMessage)
{
break;
}
}
catch (WebSocketException e)
{
OnClosed(e.Message);
break;
}
}
if (result == null)
{
break;
}
if (result.MessageType == WebSocketMessageType.Text)
{
string message = Encoding.UTF8.GetString(buffer, 0, count);
#if DEBUG
System.Diagnostics.Trace.WriteLine($"⬇ {DateTime.Now} {message}");
#endif
if (OnTextReceived is null)
{
throw new ArgumentNullException(nameof(OnTextReceived));
}
OnTextReceived(message);
}
else if (result.MessageType == WebSocketMessageType.Binary)
{
#if DEBUG
System.Diagnostics.Trace.WriteLine($"⬇ {DateTime.Now} Binary message");
#endif
if (OnTextReceived is null)
{
throw new ArgumentNullException(nameof(OnTextReceived));
}
byte[] bytes = new byte[count];
Buffer.BlockCopy(buffer, 0, bytes, 0, count);
OnBinaryReceived(bytes);
//byte[] bytes;
//if (_io.Options.EIO == 3)
//{
// count -= 1;
// bytes = new byte[count];
// Buffer.BlockCopy(buffer, 1, bytes, 0, count);
//}
//else
//{
// bytes = new byte[count];
// Buffer.BlockCopy(buffer, 0, bytes, 0, count);
//}
//_io.InvokeBytesReceived(bytes);
}
}
}
private void dispatch()
{
const Int32 bufferSize = 128 * 1024;
byte[] buffer = new byte[bufferSize];
bool breakOut = false;
try
{
while (Interlocked.Read(ref state) != CLOSED)
{
ArraySegment <byte> segment = new ArraySegment <byte>(buffer);
System.Net.WebSockets.WebSocketReceiveResult result;
System.Threading.Tasks.Task <System.Net.WebSockets.WebSocketReceiveResult> r;
try
{
r = clientWebSocket.ReceiveAsync(segment, System.Threading.CancellationToken.None);
r.Wait(CancellationToken.None);
result = r.Result;
if (result.MessageType == WebSocketMessageType.Close)
{
Task t1 = clientWebSocket.CloseAsync((System.Net.WebSockets.WebSocketCloseStatus)result.CloseStatus, result.CloseStatusDescription, CancellationToken.None);
t1.Wait(CancellationToken.None);
notifyClose((int)result.CloseStatus, result.CloseStatusDescription);
breakOut = true;
break;
}
}
catch (Exception e)
{
notifyError(e);
break;
}
int count = result.Count;
while (!result.EndOfMessage)
{
if (count > buffer.Length)
{
Task t1 = clientWebSocket.CloseAsync(WebSocketCloseStatus.InvalidPayloadData, "payload too long", CancellationToken.None);
t1.Wait(CancellationToken.None);
notifyClose((int)WebSocketCloseStatus.InvalidPayloadData, "payload too long");
return;
}
segment = new ArraySegment <byte>(buffer, count, buffer.Length - count);
r = clientWebSocket.ReceiveAsync(segment, CancellationToken.None);
r.Wait(CancellationToken.None);
result = r.Result;
if (result.MessageType == WebSocketMessageType.Close)
{
Task t1 = clientWebSocket.CloseAsync((System.Net.WebSockets.WebSocketCloseStatus)result.CloseStatus, result.CloseStatusDescription, CancellationToken.None);
t1.Wait(CancellationToken.None);
notifyClose((int)result.CloseStatus, result.CloseStatusDescription);
breakOut = true;
break;
}
else if (result.Count == 0)
{
// filled the buffer, resize it
var newBuffer = new byte[buffer.Length + bufferSize];
Array.Copy(buffer, newBuffer, buffer.Length);
buffer = newBuffer;
}
if (breakOut)
{
break;
}
count += result.Count;
}
// now invoke the callback.
if (count > 0)
{
notifyMessage(buffer, count);
}
}
}
catch (Exception) { return; }
return;
}
public void RespondToMicrosoftWebSocketClient()
{
using(var socket = new ClientWebSocket())
{
socket.ConnectAsync(new Uri("ws://127.0.0.1:20000/"), CancellationToken.None).Wait(1000);
var buffer = Encoding.UTF8.GetBytes("abcdefg");
socket.SendAsync(new ArraySegment<byte>(buffer), WebSocketMessageType.Text, true, CancellationToken.None).Wait(1000);
var receiveBuffer = ClientWebSocket.CreateClientBuffer(1024, 1024);
var result = socket.ReceiveAsync(receiveBuffer, CancellationToken.None);
result.Wait(1000);
var msg = Encoding.UTF8.GetString(receiveBuffer.Array, 0, result.Result.Count);
Assert.AreEqual("gfedcba", msg);
}
}
public async Task TestConnectWebSocket()
{
var wsUrl = Resources.WsServerAddress + "test";
Assert.IsNotNull(WebServer.Module<WebSocketsModule>(), "WebServer has WebSocketsModule");
Assert.AreEqual(WebServer.Module<WebSocketsModule>().Handlers.Count, 1, "WebSocketModule has one handler");
#if NET46
var clientSocket = new ClientWebSocket();
var ct = new CancellationTokenSource();
await clientSocket.ConnectAsync(new Uri(wsUrl), ct.Token);
Assert.AreEqual(WebSocketState.Open, clientSocket.State, "Connection is open");
var message = new ArraySegment<byte>(System.Text.Encoding.Default.GetBytes("HOLA"));
var buffer = new ArraySegment<byte>(new byte[1024]);
await clientSocket.SendAsync(message, WebSocketMessageType.Text, true, ct.Token);
var result = await clientSocket.ReceiveAsync(buffer, ct.Token);
Assert.IsTrue(result.EndOfMessage, "End of message is true");
Assert.IsTrue(System.Text.Encoding.UTF8.GetString(buffer.Array).TrimEnd((char) 0) == "WELCOME", "Final message is WELCOME");
#else
var clientSocket = new WebSocket(wsUrl);
clientSocket.Connect();
Assert.AreEqual(WebSocketState.Open, clientSocket.State, "Connection is open");
clientSocket.Send("HOLA");
await Task.Delay(100);
#endif
}
private async Task ReceiveMessages(ClientWebSocket socket,string msg, int total)
{
var maxMessageSize = 1024;
var receiveBuffer = new byte[maxMessageSize];
for (var i = 0; i < 10; i++)
{
var ret = await socket.ReceiveAsync(new ArraySegment<byte>(receiveBuffer), CancellationToken.None);
if (ret.MessageType != WebSocketMessageType.Text) continue;
var count = ret.Count;
while (!ret.EndOfMessage)
{
ret = await socket.ReceiveAsync(new ArraySegment<byte>(receiveBuffer, count, maxMessageSize - count), CancellationToken.None);
count += ret.Count;
}
var receivedString = Encoding.UTF8.GetString(receiveBuffer, 0, count);
Trace.WriteLine(receivedString);
Interlocked.Increment(ref _counter);
}
}