Comments on: Y-Cam Black camera http://alax.info/blog/522 Software Production Line Thu, 08 Jan 2009 14:17:52 +0000 http://wordpress.org/?v=2.6.3 By: alax http://alax.info/blog/522#comment-5631 alax Wed, 13 Aug 2008 05:51:02 +0000 http://alax.info/blog/?p=522#comment-5631 This was not the end of the story. The camera responds to HTTP with: <pre>GET /stream.av HTTP/1.1 User-Agent: LuxRiot Host: *** Connection: Keep-Alive Cache-Control: no-cache Pragma: no-cache Authorization: Digest username="admin", realm="Webs", qop="auth", algorithm="MD5", uri="/stream.av", nonce="14b0327792e359d12bb5278ceb1a0428", nc=00000001, cnonce="87463d147f5c6ee3cedf77f4dc890a55", opaque="5ccc069c403ebaf9f0171e9517f40e41", response="47d666dfea18bfba0bb383da1c60b954" <strong>HTTP/1.1 200 OK</strong> Date: Wed Aug 13 06:48:38 2008 Server: Webs Pragma: no-cache Cache-Control: no-cache <strong>HTTP/1.0 200 OK</strong> Server: httpd/Aplayer 1.0.0 Cache-Control: no-cache Pragma: features="broadcast" Content-Type: application/octet-stream Accept-Ranges: Bytes Connection: close ...data... </pre> what makes <a href="http://msdn.microsoft.com/en-us/library/aa384273(VS.85).aspx" rel="nofollow">WinHTTP</a> abort the connection. Why? There is probably some problem with HTTP/1.1 conformance... Maybe it is sending response line twice (HTTP/1.1 200 OK... HTTP/1.0 200 OK...)... This was not the end of the story. The camera responds to HTTP with:

GET /stream.av HTTP/1.1
User-Agent: LuxRiot
Host: ***
Connection: Keep-Alive
Cache-Control: no-cache
Pragma: no-cache
Authorization: Digest username="admin", realm="Webs", qop="auth", algorithm="MD5", uri="/stream.av", nonce="14b0327792e359d12bb5278ceb1a0428", nc=00000001, cnonce="87463d147f5c6ee3cedf77f4dc890a55", opaque="5ccc069c403ebaf9f0171e9517f40e41", response="47d666dfea18bfba0bb383da1c60b954"

HTTP/1.1 200 OK
Date: Wed Aug 13 06:48:38 2008
Server: Webs
Pragma: no-cache
Cache-Control: no-cache
HTTP/1.0 200 OK
Server: httpd/Aplayer 1.0.0
Cache-Control: no-cache
Pragma: features="broadcast"
Content-Type: application/octet-stream
Accept-Ranges: Bytes
Connection: close

...data...

what makes WinHTTP abort the connection. Why? There is probably some problem with HTTP/1.1 conformance… Maybe it is sending response line twice (HTTP/1.1 200 OK… HTTP/1.0 200 OK…)…

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