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The http client application hangs in infinite loop in io_service::run, if server accept connection and do nothing. There are no reaction on closing socket at server side.
You can reproduce this using following steps:
- run server using command at separate terminal:
whiletrue;doecho""| nc -l 8091;done
- compile and run the program:
// main.cpp#include<iostream>#include<boost/network/include/http/client.hpp>intmain (int argc,char *argv[] ){typedef boost::network::http::basic_client< boost::network::http::tags::http_async_8bit_tcp_resolve,1,1> Client; Client client; Client::requestreq("http://localhost:8091"); Client::response resp = client.get(req); std::cout <<body(resp) << std::endl;return0;}
This program will work forever ( ever you terminate netcat ), and you can observe 100% CPU usage by this program at top utility.
system: Ubuntu 14.04 LTS 64bit
boost version: 1.54
cpp-netlib version: 0.11-devel (cpp-netlib-0.11.1-final also consists this isssue)
$ cat /usr/include/boost/version.hpp| fgrep"#define BOOST_LIB_VERSION"#define BOOST_LIB_VERSION "1_54"$ git rev-parse HEAD6e090b3d0b3c4f3b132432a6763594593cf7f365$ git branch* 0.11-devel$ g++ --versiong++ (Ubuntu 4.8.2-19ubuntu1) 4.8.2
Jetty shows such server behaivior, when there are lack of memory.
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