private async Task <HttpRequest> ReadRequsetLine()
{
using (var timeout = new CancellationTokenSource(3000))
{
timeout.Token.Register(() => Ns.Close());
string requestLine = null;
using (var sr = new StreamReader(Ns, Encoding.ASCII, false, 65535, true))
{
requestLine = await sr.ReadLineAsync();
if (string.IsNullOrEmpty(requestLine))
{
return(null);
}
// Discard all other headers
while (true)
{
var dummy = await sr.ReadLineAsync();
if (string.IsNullOrEmpty(dummy))
{
break;
}
}
}
if (requestLine != null)
{
var m = requestLineMatcher.Match(requestLine);
if (m.Success)
{
var result = new HttpRequest {
Method = m.Groups[1].Value, RawUri = m.Groups[2].Value
};
try
{
result.DecodedUri = new Uri(new Uri("http://localhost/"), result.RawUri);
}
catch (FormatException)
{
// The Uri may be invalid
}
return(result);
}
}
}
return(null);
}
protected async Task SendTextRensponse(string status, string mimeType, string content)
{
var contentBytes = Encoding.UTF8.GetBytes(content);
var header =
"HTTP/1.1 " + status + "\r\n" +
"Cache-Control: no-cache\r\n" +
"Content-Length: " + contentBytes.Length.ToString(CultureInfo.InvariantCulture) + "\r\n" +
"Content-Type: " + mimeType + "\r\n\r\n";
var headerBytes = Encoding.ASCII.GetBytes(header);
using (var timeout = new CancellationTokenSource(3000))
{
timeout.Token.Register(() => Ns.Close());
await Ns.WriteAsync(headerBytes, 0, headerBytes.Length);
await Ns.WriteAsync(contentBytes, 0, contentBytes.Length);
await Ns.FlushAsync();
}
}