public static String DumpParser (HttpParser p)
{
StringBuilder builder = new StringBuilder();
// the stuff up to the break is ephermeral and only meaningful
// while the parser is parsing. In general, this method is
// probably only useful during debugging.
/*
builder.Append("state :"); builder.Append(p.state); builder.Append("\n");
builder.Append("header_state :"); builder.Append(p.header_state); builder.Append("\n");
builder.Append("strict :"); builder.Append(p.strict); builder.Append("\n");
builder.Append("index :"); builder.Append(p.index); builder.Append("\n");
builder.Append("flags :"); builder.Append(p.flags); builder.Append("\n");
builder.Append("nread :"); builder.Append(p.nread); builder.Append("\n");
builder.Append("content_length :"); builder.Append(p.content_length); builder.Append("\n");
builder.Append("type :"); builder.Append(p.type); builder.Append("\n");
builder.Append("http_major :"); builder.Append(p.http_major); builder.Append("\n");
builder.Append("http_minor :"); builder.Append(p.http_minor); builder.Append("\n");
builder.Append("status_code :"); builder.Append(p.status_code); builder.Append("\n");
builder.Append("method :"); builder.Append(p.method); builder.Append("\n");
builder.Append("upgrade :"); builder.Append(p.upgrade); builder.Append("\n");
*/
return builder.ToString();
}
// 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, MemoryStream 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);
}
// 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, MemoryStream 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 Parser(HttpParserType type)
{
unsafe
{
HttpParserSettings settings = new HttpParserSettings();
settings.on_message_begin = OnMessageBegin;
settings.on_message_complete = OnMessageComplete;
settings.on_url = OnUrl;
settings.on_header_field = OnHeaderField;
settings.on_header_value = OnHeaderValue;
settings.on_headers_complete = OnHeadersComplete;
settings.on_body = OnBody;
_parser = new HttpParser(settings, type);
}
}
public Parser(HttpParserType type)
{
unsafe
{
HttpParserSettings settings = new HttpParserSettings();
settings.on_message_begin = OnMessageBegin;
settings.on_message_complete = OnMessageComplete;
settings.on_url = OnUrl;
settings.on_header_field = OnHeaderField;
settings.on_header_value = OnHeaderValue;
settings.on_headers_complete = OnHeadersComplete;
settings.on_body = OnBody;
_parser = new HttpParser(settings, type);
}
}
private static bool MessageNeedsEof(HttpParser parser)
{
if (parser.Type == HttpParserType.Request)
{
return(false);
}
if (parser.StatusCode / 100 == 1 || // 1xx e.g. Continue
parser.StatusCode == 204 || // No Content
parser.StatusCode == 304 || // Not Modified
(parser.Flags & HttpParserFlags.SkipBody) == HttpParserFlags.SkipBody) // response to a HEAD request
{
return(false);
}
if ((parser.Flags & HttpParserFlags.Chunked) == HttpParserFlags.Chunked || parser.ContentLength != ulong.MaxValue)
{
return(false);
}
return(true);
}
unsafe int OnUrl(HttpParser parser, char* at, uint length)
{
if (Url != null)
{
string url = Marshal.PtrToStringUni((IntPtr)at, (int)length);
Url(this, url);
}
return 0;
}
int OnMessageBegin(HttpParser parser)
{
if (MessageBegin != null)
{
MessageBegin(this);
}
return 0;
}
int OnHeadersComplete(HttpParser parser)
{
if (HeadersComplete != null)
{
HeadersComplete(this);
}
return 0;
}
public void RaiseOnHeadersComplete(HttpParser p)
{
Raise(OnHeadersComplete, p);
}
public void RaiseOnHeaderValue(HttpParser p, MemoryStream buf, int pos, int len)
{
Raise(OnHeaderValue, p, buf, pos, len);
}
public void RaiseOnQueryString(HttpParser p, MemoryStream buf, int pos, int len)
{
Raise(OnQueryString, p, buf, pos, len);
}
public void RaiseOnMessageComplete(HttpParser p)
{
Raise(OnMessageComplete, p);
}
public static void Main()
{
string content =
@"POST HTTP://LIULIJIN.INFO HTTP/1.1
HOST:LIULIJIN.INFO
Cookie:s=1
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
";
CodeTimer.Initialize();
CodeTimer.Time("!", 50000, () =>
{
HttpParser parser = new HttpParser();
parser.Go(content);
});
Console.ReadLine();
}
private void Raise (HttpDataCallback cb, HttpParser p, MemoryStream buf, int pos, int len)
{
if (null != cb && -1 != pos)
cb (p,buf,pos,len);
}
private void Raise (HttpCallback cb, HttpParser p)
{
if (null != cb)
cb (p);
}
public void RaiseOnHeadersComplete (HttpParser p)
{
Raise (OnHeadersComplete, p);
}
public void RaiseOnBody(HttpParser p, MemoryStream buf, int pos, int len)
{
Raise (OnBody, p, buf, pos, len);
}
public void RaiseOnHeaderValue (HttpParser p, MemoryStream buf, int pos, int len)
{
Raise (OnHeaderValue, p, buf, pos, len);
}
public void RaiseOnFragment (HttpParser p, MemoryStream buf, int pos, int len)
{
Raise (OnFragment, p, buf, pos, len);
}
public void RaiseOnQueryString (HttpParser p, MemoryStream buf, int pos, int len)
{
Raise (OnQueryString, p, buf, pos, len);
}
public void RaiseOnMessageBegin(HttpParser p)
{
Raise(OnMessageBegin, p);
}
internal int on_headers_complete_wrapper(HttpParser parser)
{
return Convert.ToInt32(HeadersCompleted(parser));
}
public static HttpParser Create(http_parser parser)
{
var httpParser = new HttpParser(parser);
return(httpParser);
}
internal int on_message_begin_wrapper(HttpParser parser)
{
return Convert.ToInt32(MessageBegan(parser));
}
public void RaiseOnFragment(HttpParser p, MemoryStream buf, int pos, int len)
{
Raise(OnFragment, p, buf, pos, len);
}
internal int on_message_complete_wrapper(HttpParser parser)
{
return Convert.ToInt32(MessageCompleted(parser));
}
public void RaiseOnBody(HttpParser p, MemoryStream buf, int pos, int len)
{
Raise(OnBody, p, buf, pos, len);
}
internal unsafe int on_body_wrapper(HttpParser parser, byte* at, uint length)
{
var data = new byte[(int)length];
Marshal.Copy((IntPtr)at, data, 0, (int)length);
return Convert.ToInt32(Body(parser, data));
}
unsafe int OnBody(HttpParser parser, char* at, uint length)
{
if (Body != null)
{
string body = Marshal.PtrToStringUni((IntPtr)at, (int)length);
Body(this, body);
}
return 0;
}
internal int on_message_complete_wrapper(HttpParser parser)
{
return(Convert.ToInt32(MessageCompleted(parser)));
}
unsafe int OnHeaderValue(HttpParser parser, char* at, uint length)
{
if (HeaderValue != null)
{
string headerValue = Marshal.PtrToStringUni((IntPtr)at, (int)length);
HeaderValue(this, headerValue);
}
return 0;
}
internal int on_message_begin_wrapper(HttpParser parser)
{
return(Convert.ToInt32(MessageBegan(parser)));
}
int OnMessageComplete(HttpParser parser)
{
if (MessageComplete != null)
{
MessageComplete(this);
}
return 0;
}
public void RaiseOnMessageBegin (HttpParser p)
{
Raise (OnMessageBegin, p);
}
internal int on_headers_complete_wrapper(HttpParser parser)
{
return(Convert.ToInt32(HeadersCompleted(parser)));
}
public void RaiseOnMessageComplete (HttpParser p)
{
Raise (OnMessageComplete, p);
}