public void TechEmpowerHelloWorldNoIO(int numberOfRequests, int concurrentConnections)
{
RawInMemoryHttpServer.Run(numberOfRequests, concurrentConnections, s_genericRequest, (request, response) => {
var formatter = new BufferWriterFormatter <PipeWriter>(response, SymbolTable.InvariantUtf8);
formatter.Append("HTTP/1.1 200 OK");
formatter.Append("\r\nContent-Length: 13");
formatter.Append("\r\nContent-Type: text/plain");
formatter.Format("\r\nDate: {0:R}", DateTime.UtcNow);
formatter.Append("Server: System.IO.Pipelines");
formatter.Append("\r\n\r\n");
// write body
formatter.Append("Hello, World!");
});
}
public void TechEmpowerJsonNoIO(int numberOfRequests, int concurrentConnections)
{
RawInMemoryHttpServer.Run(numberOfRequests, concurrentConnections, s_genericRequest, (request, response) => {
var formatter = new BufferWriterFormatter <PipeWriter>(response, SymbolTable.InvariantUtf8);
formatter.Append("HTTP/1.1 200 OK");
formatter.Append("\r\nContent-Length: 25");
formatter.Append("\r\nContent-Type: application/json");
formatter.Format("\r\nDate: {0:R}", DateTime.UtcNow);
formatter.Append("Server: System.IO.Pipelines");
formatter.Append("\r\n\r\n");
// write body
var writer = new JsonWriterUtf8(formatter);
writer.WriteObjectStart();
writer.WriteAttribute("message", "Hello, World!");
writer.WriteObjectEnd();
});
}
protected async Task ProcessConnection(IDuplexPipe connection)
{
var httpParser = new HttpRequestParser();
while (true)
{
// Wait for data
var result = await connection.Input.ReadAsync();
var input = result.Buffer;
var consumed = input.Start;
var examined = input.Start;
try
{
if (input.IsEmpty && result.IsCompleted)
{
// No more data
break;
}
// Parse the input http request
var parseResult = httpParser.ParseRequest(input, out consumed, out examined);
switch (parseResult)
{
case HttpRequestParser.ParseResult.Incomplete:
if (result.IsCompleted)
{
// Didn't get the whole request and the connection ended
throw new EndOfStreamException();
}
// Need more data
continue;
case HttpRequestParser.ParseResult.Complete:
break;
case HttpRequestParser.ParseResult.BadRequest:
throw new Exception();
default:
break;
}
// Writing directly to pooled buffers
var output = connection.Output;
var formatter = new BufferWriterFormatter <PipeWriter>(output, SymbolTable.InvariantUtf8);
formatter.Append("HTTP/1.1 200 OK");
formatter.Append("\r\nContent-Length: 13");
formatter.Append("\r\nContent-Type: text/plain");
formatter.Append("\r\n\r\n");
formatter.Append("Hello, World!");
await output.FlushAsync();
httpParser.Reset();
}
finally
{
// Consume the input
connection.Input.AdvanceTo(consumed, examined);
}
}
}
