/// <summary>
/// Tries to read and handle a <see cref="Record"/> from inputStream and writes responses to outputStream.
/// </summary>
/// <remarks>
/// Use <see cref="ProcessStream"/> to process all records on a stream.
/// Returns true if a record was read, false otherwise.
/// </remarks>
public bool ProcessSingleRecord(Stream inputStream, Stream outputStream)
{
if (!inputStream.CanRead)
{
return(false);
}
Record r = Record.ReadRecord(inputStream);
// No record found on the stream?
if (r == null)
{
return(false);
}
if (r.Type == Record.RecordType.BeginRequest)
{
if (OpenRequests.ContainsKey(r.RequestId))
{
OpenRequests.Remove(r.RequestId);
}
var content = new MemoryStream(r.ContentData);
var role = Record.ReadInt16(content);
// Todo: Refuse requests for other roles than FCGI_RESPONDER
var flags = content.ReadByte();
var keepAlive = (flags & Constants.FCGI_KEEP_CONN) != 0;
var request = new Request(r.RequestId, outputStream, this, keepAlive: keepAlive);
OpenRequests.Add(request.RequestId, request);
}
else if (r.Type == Record.RecordType.AbortRequest || r.Type == Record.RecordType.EndRequest)
{
OpenRequests.Remove(r.RequestId);
}
else if (r.Type == Record.RecordType.GetValues)
{
var getValuesResult = Record.CreateGetValuesResult(1, 1, false);
getValuesResult.Send(outputStream);
}
else
{
if (OpenRequests.ContainsKey(r.RequestId))
{
var request = OpenRequests[r.RequestId];
bool requestReady = request.HandleRecord(r);
if (requestReady)
{
var evh = OnRequestReceived;
if (evh != null)
{
OnRequestReceived(this, request);
}
}
}
}
return(true);
}
