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Home » U++ Library support » U++ MT-multithreading and servers » [FIXED]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC)

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[FIXED]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) [message #46292]

Fri, 08 April 2016 19:44

omari is currently offline

omari
Messages: 265
Registered: March 2010

Experienced Member

Hi,

When HttpRequest is in TRAILER phase, he call ReadingHeader().

buf if there is no trailer, the socket contain only two charachter: \r\n.
because ReadingHeader() read at least three characters, il hangs waiting a third one.

Here a Test Case:

	HttpRequest r("http://dev.alt.cloudappsportal.com/_api/web/lists");
	r.KeepAlive().Execute();

A solution is to check if there is a trailer, and if not, read only \r\n and finish:

in the file Core\Http.cpp
Line : 385
replace :

	case TRAILER:		
		if(ReadingHeader())
			break;
		header.ParseAdd(data);
		Finish();
		break;
	case FINISHED:

by

	case TRAILER:
		if(TcpSocket::Peek() == '\r') // if the next line is empty (then no trailer)
		{
			TcpSocket::Get();
			c2 = TcpSocket::Get();
			if(c2 != '\n')
				HttpError("missing ending CRLF");
			Finish();
			break;
		}
		
		if(ReadingHeader())
			break;
		header.ParseAdd(data);
		Finish();
		break;
	case FINISHED:

regards
omari.

[Updated on: Sat, 18 March 2017 16:01]

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[Message index]

		[FIXED]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: omari on Fri, 08 April 2016 19:44
		Re: [BUG]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: mirek on Sun, 17 April 2016 08:58
		Re: [BUG]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: omari on Sun, 17 April 2016 11:37
		Re: [BUG]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: mirek on Sun, 17 April 2016 14:43
		Re: [BUG]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: omari on Sun, 17 April 2016 22:10
		Re: [BUG]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: mirek on Mon, 18 April 2016 17:44
		Re: [BUG]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: omari on Mon, 18 April 2016 19:02
		Re: [BUG]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: mirek on Tue, 19 April 2016 11:01
		Re: [BUG]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: omari on Tue, 19 April 2016 11:36
		Re: [BUG]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: mirek on Fri, 22 April 2016 09:33
		Re: [BUG]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: omari on Fri, 22 April 2016 17:08
		Re: [BUG]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: mirek on Mon, 25 April 2016 13:52
		Re: [BUG]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: mirek on Mon, 25 April 2016 13:57
		Re: [BUG]HttpRequest hangs when Chunked response, without trailer, and KeepAlive is set. (patch & TC) By: omari on Tue, 19 April 2016 11:42

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