internal void HandleRequest(FastCGIRequest request)
{
if (OnRequest != null)
{
try {
OnRequest(request);
}
catch (Exception) {
request.End();
}
}
else
{
request.End();
}
}
private void OnRecordReceived(RecordType recordType, int requestId, ArraySegment <byte> content)
{
switch (recordType)
{
case RecordType.BeginRequest: {
var buf = content.Array;
var p = content.Offset;
var role = (buf[p] << 8) | buf[p + 1];
var flags = buf[p + 2];
var keepAlive = (flags & FCGI_KEEP_CONN) != 0;
var request = new FastCGIRequest(requestId, this, keepAlive);
_requests[requestId] = request;
}
break;
case RecordType.AbortRequest:
case RecordType.EndRequest: {
_requests.Remove(requestId);
}
break;
case RecordType.GetValues: {
var buf = new byte[256];
int pos = 0;
WriteNameValue(buf, ref pos, "FCGI_MAX_CONNS", "32");
WriteNameValue(buf, ref pos, "FCGI_MAX_REQS", "32");
WriteNameValue(buf, ref pos, "FCGI_MPXS_CONNS", "0");
SendRecord(RecordType.GetValuesResult, 0, new ArraySegment <byte>(buf, 0, pos));
}
break;
case RecordType.Params: {
FastCGIRequest request = null;
if (_requests.TryGetValue(requestId, out request))
{
if (content.Count > 0)
{
var buf = content.Array;
int len = content.Count;
int pos = content.Offset;
while (pos < len)
{
var nameLength = ReadVarLength(buf, ref pos);
var valueLength = ReadVarLength(buf, ref pos);
if (pos + nameLength + valueLength > len)
{
throw new EndOfStreamException();
}
var name = Encoding.UTF8.GetString(buf, pos, nameLength); pos += nameLength;
var value = Encoding.UTF8.GetString(buf, pos, valueLength); pos += valueLength;
request._parameters[name] = value;
}
}
}
}
break;
case RecordType.Stdin: {
FastCGIRequest request = null;
if (_requests.TryGetValue(requestId, out request))
{
// Finished requests are indicated by an empty stdin record
if (content.Count == 0)
{
_owner.HandleRequest(request);
}
else
{
request._body.Add(content);
}
}
}
break;
}
}