// this one is a little bit different:
// the current `position` of the buffer is the location of the
// error, `ini_pos` indicates where the position of
// the buffer when it was passed to the `execute` method of the parser, i.e.
// using this information and `limit` we'll know all the valid data
// in the buffer around the error we can use to print pretty error
// messages.
public void RaiseOnError(HttpParser p, string message, ByteBuffer buf, int ini_pos)
{
if (null != OnError)
OnError (p, message, buf, ini_pos);
// if on_error gets called it MUST throw an exception, else the parser
// will attempt to continue parsing, which it can't because it's
// in an invalid state.
throw new HttpException (message);
}
public HttpTransaction(HttpServer server, IOStream stream, Socket socket, HttpConnectionCallback callback)
{
Server = server;
IOStream = stream;
Socket = socket;
ConnectionCallback = callback;
stream.OnClose (OnClose);
parser_settings = CreateParserSettings ();
parser = new HttpParser ();
stream.ReadBytes (OnBytesRead);
}
protected override int OnHeadersComplete(HttpParser parser)
{
base.OnHeadersComplete (parser);
StatusCode = parser.StatusCode;
if (Request.Method == HttpMethod.HTTP_HEAD)
return 1;
return 0;
}
public void RaiseOnHeaderField(HttpParser p, ByteBuffer buf, int pos, int len)
{
Raise (OnHeaderField, p, buf, pos, len);
}
public void RaiseOnBody(HttpParser p, ByteBuffer buf, int pos, int len)
{
Raise (OnBody, p, buf, pos, len);
}
private int Raise(HttpCallback cb, HttpParser p)
{
if (cb == null)
return 0;
try {
return cb (p);
} catch (Exception e) {
Console.WriteLine (e);
RaiseOnError (p, e.Message, null, -1);
return -1;
}
}
public void RaiseOnMessageComplete(HttpParser p)
{
Raise (OnMessageComplete, p);
}
private int OnQueryString(HttpParser parser, ByteBuffer data, int pos, int len)
{
string str = Encoding.ASCII.GetString (data.Bytes, pos, len);
query_data_builder.Append (str);
return 0;
}
public int OnHeaderField(HttpParser parser, ByteBuffer data, int pos, int len)
{
string str = Encoding.ASCII.GetString (data.Bytes, pos, len);
if (current_header_value.Length != 0)
FinishCurrentHeader ();
current_header_field.Append (str);
return 0;
}
public int OnBody(HttpParser parser, ByteBuffer data, int pos, int len)
{
if (body_handler == null)
CreateBodyHandler ();
if (body_handler != null)
body_handler.HandleData (this, data, pos, len);
return 0;
}
private void OnParserError(HttpParser parser, string message, ByteBuffer buffer, int initial_position)
{
Server.RemoveTransaction (this);
IOStream.Close ();
}
public void OnResponseFinished()
{
bool disconnect = true;
if (!NoKeepAlive) {
string dis;
if (Request.MinorVersion > 0 && Request.Headers.TryGetValue ("Connection", out dis))
disconnect = (dis == "close");
}
if (disconnect) {
Request = null;
Response = null;
IOStream.Close ();
Server.RemoveTransaction (this);
return;
}
parser = new HttpParser ();
IOStream.ReadBytes (OnBytesRead);
}
public void RaiseOnHeadersComplete(HttpParser p)
{
Raise (OnHeadersComplete, p);
}
protected override void OnFinishedReading(HttpParser parser)
{
base.OnFinishedReading (parser);
MajorVersion = parser.Major;
MinorVersion = parser.Minor;
Method = parser.HttpMethod;
if (query_data_builder.Length != 0) {
QueryData = HttpUtility.ParseUrlEncodedData (query_data_builder.ToString ());
query_data_builder.Length = 0;
}
Transaction.OnRequestReady ();
}
public int OnHeaderValue(HttpParser parser, ByteBuffer data, int pos, int len)
{
string str = Encoding.ASCII.GetString (data.Bytes, pos, len);
if (current_header_field.Length == 0)
throw new HttpException ("Header Value raised with no header field set.");
current_header_value.Append (str);
return 0;
}
private int OnPath(HttpParser parser, ByteBuffer data, int pos, int len)
{
string str = Encoding.ASCII.GetString (data.Bytes, pos, len);
str = HttpUtility.UrlDecode (str, Encoding.ASCII);
Path = Path == null ? str : String.Concat (Path, str);
return 0;
}
private int OnHeadersComplete(HttpParser parser)
{
if (current_header_field.Length != 0)
FinishCurrentHeader ();
if (query_data.Length != 0) {
Request.QueryData = HttpUtility.ParseUrlEncodedData (query_data.ToString ());
query_data.Length = 0;
}
Request.MajorVersion = parser.Major;
Request.MinorVersion = parser.Minor;
Request.Method = parser.HttpMethod;
return 0;
}
public void RaiseOnMessageBegin(HttpParser p)
{
Raise (OnMessageBegin, p);
}
private int OnMessageBegin(HttpParser parser)
{
Request = new HttpRequest (this);
return 0;
}
public void RaiseOnQueryString(HttpParser p, ByteBuffer buf, int pos, int len)
{
Raise (OnQueryString, p, buf, pos, len);
}
private int OnMessageComplete(HttpParser parser)
{
OnFinishedReading ();
return 0;
}
private int Raise(HttpDataCallback cb, HttpParser p, ByteBuffer buf, int pos, int len)
{
if (cb == null || pos == -1)
return 0;
try {
return cb (p,buf,pos,len);
} catch (Exception e) {
Console.WriteLine (e);
RaiseOnError (p, e.Message, buf, pos);
return -1;
}
}
private void OnParserError(HttpParser parser, string message, ByteBuffer buffer, int initial_position)
{
Console.WriteLine ("parser error: '{0}'", message);
Server.RemoveTransaction (this);
IOStream.Close ();
}
public void RaiseOnFragment(HttpParser p, ByteBuffer buf, int pos, int len)
{
Raise (OnFragment, p, buf, pos, len);
}
private int OnPath(HttpParser parser, ByteBuffer data, int pos, int len)
{
string str = Encoding.ASCII.GetString (data.Bytes, pos, len);
Request.LocalPath = Request.LocalPath == null ? str : String.Concat (Request.LocalPath, str);
return 0;
}
public int RaiseOnHeadersComplete(HttpParser p)
{
return Raise (OnHeadersComplete, p);
}
protected override void OnFinishedReading(HttpParser parser)
{
base.OnFinishedReading (parser);
if (Completed != null)
Completed (this);
}