Re: [Boost-users] asio problem with detecting http header end

Subject: Re: [Boost-users] asio problem with detecting http header end
From: Philipp Kraus (philipp.kraus_at_[hidden])
Date: 2011-07-31 08:53:04

On 2011-07-30 20:39:05 +0200, Igor R said:

>> 
>> I use Boost.ASIO for receiving Twitter JSON data. I use this code:
>> boost::asio::write( p_socket, l_request );
>> 
>> boost::asio::streambuf l_response;
>> 
>> boost::asio::read_until(p_socket, l_response, "\r\n\r\n");
>> So in my optional the l_response variable should be read the full HTTP
>> header. But if I write it to the std::cout I get:
>> HTTP/1.1 200 OK
>> Date: Fri, 29 Jul 2011 20:08:37 GMT
>> Server: hi
>> Cache-Control: max-age=15, must-revalidate, max-age=300
>> Expires: Fri, 29 Jul 2011 20:13:37 GMT
>> Content-Type: application/json;charset=utf-8
>> Content-Length: 9763
>> Vary: Accept-Encoding
>> X-Varnish: 1045274856
>> Age: 0
>> Via: 1.1 varnish
>> X-Cache-Svr: smf1-aba-35-sr2.prod.twitter.com
>> X-Cache: MISS
>> Connection: close
>> {"completed_in":0.025,"max_id":97033383951081472,"max_id_str":"97033383951081472","next_page":"?page=2&max_id=9703338395108147 
>> 
>> I can change the "until read parameter" to \n, Connection: close or
>> something else, but the read_until method does not stop the reading at 
>> the correct chars.
> 
> 
> Read the manual:
> http://www.boost.org/doc/libs/1_47_0/doc/html/boost_asio/reference/read_until/overload3.html 
> 
> 
> read_until is just a convenience function that reads *some* data until
> it finds your substring.

Thanks, I have solved with clearing the buffer. I extract the hedaer 
with getline and run my working with the rest