/// <summary>
/// Queues a <see cref="ResourceExecutionContext"/> that is ready to be processed.
/// </summary>
/// <param name="context">The <see cref="ResourceExecutionContext"/> to add to the pending queue.</param>
protected void QueueNewPendingContext(ResourceExecutionContext context)
{
Contract.Requires(context != null);
this.OnContextPending(new ResourceExecutionContextEventArgs
{
Context = context
});
}
/// <summary>
/// Overridden.
/// </summary>
/// <param name="buffer"></param>
/// <param name="startIndex"></param>
/// <param name="count"></param>
protected override void ProcessBufferContents(byte[] buffer, int startIndex, int count)
{
Contract.Requires(buffer != null);
int x = -2;
//string debug = Encoding.ASCII.GetString(buffer, startIndex, count);
List<string> lines = new List<string>();
List<int> headerBreaks = new List<int>();
List<int> sectionBreaks = new List<int>();
unsafe
{
fixed (byte* b = &buffer[0])
{
byte* n = b;
sbyte* s = (sbyte*)b;
int m = count;
for (int i = 0; i < m; ++i)
{
var w8 = *n;
if (w8 == ':')
{
headerBreaks.Add(i - x);
}
else if (w8 == '\r')
{
var w16 = *((ushort*)n);
if (w16 == HttpConnection.SystemSingleEol)
{
var w32 = *((uint*)n);
if (w32 == HttpConnection.SystemDoubleEol)
{
sectionBreaks.Add(i);
}
else
lines.Add(new string(s, x + 2, i - x - 2));
}
x = i;
}
++n;
}
}
// Check if we received the whole request. The last line should be empty.
if (lines.Count > 0 && lines[lines.Count - 1] == "")
{
var line0Tokens = lines[0].Split(' ');
var context = new ResourceExecutionContext
{
Request = new Request
{
RawMethod = line0Tokens[0],
RawUrl = line0Tokens[1],
},
Response = new Response(),
Connection = this,
};
for (int i = 1; i < (lines.Count - 1); ++i)
context.Request.Headers.Add(new Header(lines[i].Substring(0, headerBreaks[i - 1] -2), lines[i].Substring(headerBreaks[i - 1])));
var host = context.Request.Headers["Host"].Value;
ushort port = 80;
if (host.IndexOf(':') > 0)
{
var portstring = host.Substring(host.IndexOf(':') + 1);
port = ushort.Parse(portstring);
host = host.Substring(0, host.IndexOf(':'));
}
var urlb = new UriBuilder("http", host);
urlb.Port = port;
urlb.Path = line0Tokens[1];
context.Request.Url = urlb.Uri;
this.QueueNewPendingContext(context);
}
else
{
throw new NotImplementedException();
}
}
}
