public void GlobalSetup()
{
var hubProtocol = new JsonHubProtocol();
HubMessage hubMessage = null;
switch (Input)
{
case Message.NoArguments:
hubMessage = new InvocationMessage(target: "Target", argumentBindingException: null);
break;
case Message.FewArguments:
hubMessage = new InvocationMessage(target: "Target", argumentBindingException: null, 1, "Foo", 2.0f);
break;
case Message.ManyArguments:
hubMessage = new InvocationMessage(target: "Target", argumentBindingException: null, 1, "string", 2.0f, true, (byte)9, new[] { 5, 4, 3, 2, 1 }, 'c', 123456789101112L);
break;
case Message.LargeArguments:
hubMessage = new InvocationMessage(target: "Target", argumentBindingException: null, new string('F', 10240), new string('B', 10240));
break;
}
_parser = new ServerSentEventsMessageParser();
_rawData = hubProtocol.WriteToArray(hubMessage);
var ms = new MemoryStream();
ServerSentEventsMessageFormatter.WriteMessage(_rawData, ms);
_sseFormattedData = ms.ToArray();
}
public void WriteTextMessage(string encoded, string payload)
{
var output = new MemoryStream();
ServerSentEventsMessageFormatter.WriteMessage(Encoding.UTF8.GetBytes(payload), output);
Assert.Equal(encoded, Encoding.UTF8.GetString(output.ToArray()));
}
public async Task ProcessRequestAsync(HttpContext context, CancellationToken token)
{
context.Response.ContentType = "text/event-stream";
context.Response.Headers["Cache-Control"] = "no-cache";
// Make sure we disable all response buffering for SSE
var bufferingFeature = context.Features.Get <IHttpBufferingFeature>();
bufferingFeature?.DisableResponseBuffering();
context.Response.Headers["Content-Encoding"] = "identity";
// Workaround for a Firefox bug where EventSource won't fire the open event
// until it receives some data
await context.Response.WriteAsync(":\r\n");
await context.Response.Body.FlushAsync();
try
{
while (true)
{
var result = await _application.ReadAsync(token);
var buffer = result.Buffer;
try
{
if (!buffer.IsEmpty)
{
var ms = new MemoryStream();
_logger.SSEWritingMessage(buffer.Length);
// Don't create a copy using ToArray every time
ServerSentEventsMessageFormatter.WriteMessage(buffer.ToArray(), ms);
ms.Seek(0, SeekOrigin.Begin);
await ms.CopyToAsync(context.Response.Body);
}
else if (result.IsCompleted)
{
break;
}
}
finally
{
_application.AdvanceTo(buffer.End);
}
}
}
catch (OperationCanceledException)
{
// Closed connection
}
}
public async Task ProcessRequestAsync(HttpContext context, CancellationToken token)
{
context.Response.ContentType = "text/event-stream";
context.Response.Headers["Cache-Control"] = "no-cache";
// Make sure we disable all response buffering for SSE
var bufferingFeature = context.Features.Get <IHttpBufferingFeature>();
bufferingFeature?.DisableResponseBuffering();
context.Response.Headers["Content-Encoding"] = "identity";
// Workaround for a Firefox bug where EventSource won't fire the open event
// until it receives some data
await context.Response.WriteAsync(":\r\n");
await context.Response.Body.FlushAsync();
try
{
while (await _application.WaitToReadAsync(token))
{
var ms = new MemoryStream();
while (_application.TryRead(out var buffer))
{
_logger.SSEWritingMessage(buffer.Length);
ServerSentEventsMessageFormatter.WriteMessage(buffer, ms);
}
ms.Seek(0, SeekOrigin.Begin);
await ms.CopyToAsync(context.Response.Body);
}
await _application.Completion;
}
catch (OperationCanceledException)
{
// Closed connection
}
}
public void WriteSingleMessage()
{
ServerSentEventsMessageFormatter.WriteMessage(_rawData, Stream.Null);
}
