private static void WriteHeaders(HttpHeaders headers, ref WritableBuffer buffer)
{
foreach (var header in headers)
{
WritableBufferExtensions.WriteAsciiString(ref buffer, $"{header.Key}:{string.Join(",", header.Value)}\r\n");
}
}
protected override async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
var key = request.RequestUri.GetComponents(UriComponents.HostAndPort, UriFormat.SafeUnescaped);
var path = request.RequestUri.GetComponents(UriComponents.PathAndQuery, UriFormat.SafeUnescaped);
var state = _connectionPool.GetOrAdd(key, k => GetConnection(request));
var connection = await state.ConnectionTask;
var requestBuffer = connection.Output.Alloc();
WritableBufferExtensions.WriteAsciiString(ref requestBuffer, $"{request.Method} {path} HTTP/1.1");
WriteHeaders(request.Headers, ref requestBuffer);
// End of the headers
WritableBufferExtensions.WriteAsciiString(ref requestBuffer, "\r\n\r\n");
if (request.Method != HttpMethod.Get && request.Method != HttpMethod.Head)
{
WriteHeaders(request.Content.Headers, ref requestBuffer);
await requestBuffer.FlushAsync();
// Copy the body to the input channel
var body = await request.Content.ReadAsStreamAsync();
await body.CopyToAsync(connection.Output);
}
else
{
await requestBuffer.FlushAsync();
}
var response = new HttpResponseMessage();
response.Content = new ChannelHttpContent(connection.Input);
await ProduceResponse(state, connection, response);
// Get off the libuv thread
await Task.Yield();
return(response);
}
private static async Task RunHttpClient(IPAddress ip, int port)
{
var client = new UvTcpClient(ip, port);
var consoleOutput = client.ChannelFactory.MakeWriteableChannel(Console.OpenStandardOutput());
var connection = await client.ConnectAsync();
// This is on a libuv thread
while (true)
{
var buffer = connection.Input.Alloc();
WritableBufferExtensions.WriteAsciiString(ref buffer, "GET / HTTP/1.1");
WritableBufferExtensions.WriteAsciiString(ref buffer, "\r\n\r\n");
await connection.Input.WriteAsync(buffer);
// Write the client output to the console
await CopyCompletedAsync(connection.Output, consoleOutput);
}
}
private static async Task RunRawHttpClient(IPAddress ip, int port)
{
var thread = new UvThread();
var client = new UvTcpClient(thread, new IPEndPoint(ip, port));
var consoleOutput = thread.ChannelFactory.MakeWriteableChannel(Console.OpenStandardOutput());
var connection = await client.ConnectAsync();
while (true)
{
var buffer = connection.Input.Alloc();
WritableBufferExtensions.WriteAsciiString(ref buffer, "GET / HTTP/1.1");
WritableBufferExtensions.WriteAsciiString(ref buffer, "\r\n\r\n");
await buffer.FlushAsync();
// Write the client output to the console
await CopyCompletedAsync(connection.Output, consoleOutput);
await Task.Delay(1000);
}
}