public IObservable<Unit> Begin()
{
return Observable.CreateWithDisposable<Unit>(o =>
{
// would be nice some day to parse the request with a fancy state machine
// for lower memory usage.
Trace.Write("Beginning request.");
return socket.ReadHeaders().Subscribe(headerBuffers =>
{
bodyDataReadWithHeaders = headerBuffers.Last.Value;
headerBuffers.RemoveLast();
var reader = new StringReader(headerBuffers.GetString());
this.requestLine = reader.ReadRequestLine();
Headers = reader.ReadHeaders();
reader.Dispose(); // necessary?
Trace.Write("Request began.");
},
e =>
{
o.OnError(e);
},
() =>
{
o.OnCompleted();
});
});
}
public KayakRequest(ISocket socket, HttpRequestLine requestLine, IDictionary<string, IEnumerable<string>> headers, IDictionary<string, object> context, ArraySegment<byte> bodyDataReadWithHeaders)
{
this.socket = socket;
Method = requestLine.Verb;
Uri = requestLine.RequestUri;
Headers = headers;
Items = context;
this.bodyDataReadWithHeaders = bodyDataReadWithHeaders;
}
internal static HttpRequestLine ReadRequestLine(this TextReader reader)
{
string statusLine = reader.ReadLine();
if (string.IsNullOrEmpty(statusLine))
throw new Exception("Could not parse request status.");
var tokens = statusLine.Split(' ').Where(s => !string.IsNullOrEmpty(s)).ToArray();
if (tokens.Length != 3 && tokens.Length != 2)
throw new Exception("Expected 2 or 3 tokens in request line.");
var requestLine = new HttpRequestLine();
return new HttpRequestLine()
{
Verb = tokens[0],
RequestUri = tokens[1],
HttpVersion = tokens.Length == 3 ? tokens[2] : "HTTP/1.0"
};
}