blocks|key|1330230|text|前几天有人在another+thread上推荐了这个|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1330231|http://cpp-netlib.github.com/|1330232|我认为这是你会发现的最高级别，但我不确定它是否足够成熟(我想说可能是因为他们提出了Boost+inclusion)。|1330233|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/2242687/help-streaming-over-http-in-c|1^0|6|E|0|0|0|T|1|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]]|C|$]]|$1|F|3|G|5|6|7|Y|8|@]|9|@]|C|$]]|$1|H|3|-4|5|6|7|Z|8|@]|9|@]|C|$]]]|I|$J|$5|K|L|M|C|$N|O]]|P|$5|K|L|M|C|$N|E]]]]

The other day somebody recommended this on <a href="https://stackoverflow.com/questions/2242687/help-streaming-over-http-in-c">another thread</a>:

<a href="http://cpp-netlib.github.com/" rel="nofollow noreferrer">http://cpp-netlib.github.com/</a>

I think this is as high-level as you will find, but I'm not sure if it's mature enough yet (I would say it probably is since they've proposed it for Boost inclusion).

blocks|key|1330278|text|您还可以查看Pion+Network+Library：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1330279|http://pion.org/projects/pion-network-library|offset|length|1330280|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|19|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@$D|O|E|P|1|Q]]|A|$]]|$1|F|3|-4|5|6|7|R|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|C]]]]

You should also check out the Pion Network Library:

<a href="http://pion.org/projects/pion-network-library" rel="noreferrer">http://pion.org/projects/pion-network-library</a>

blocks|key|1115190|text|Boost.Http+-这里的新玩家：https://github.com/BoostGSoC14/boost.http，docs+-+http://boostgsoc14.github.io/boost.http/|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1115191|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/BoostGSoC14/boost.http|1|http://boostgsoc14.github.io/boost.http/^0|J|15|0|1W|14|1|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]|$A|R|B|S|1|T]]|C|$]]|$1|D|3|-4|5|6|7|U|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]|L|$5|G|H|I|C|$J|M]]]]

Boost.Http - a new player here: <a href="https://github.com/BoostGSoC14/boost.http" rel="nofollow">https://github.com/BoostGSoC14/boost.http</a>, docs - <a href="http://boostgsoc14.github.io/boost.http/" rel="nofollow">http://boostgsoc14.github.io/boost.http/</a>

blocks|key|1115279|text|迟做总比不做好，这是一个老问题的新答案。有一个名为Boost.Beast的新开源库，它使用Boost.Asio同时提供HTTP和WebSocket功能。它尽可能地模拟熟悉的Asio接口，并且获得了大量的文档。它使用bjam或CMake构建在clang、gcc和Visual+Studio之上--您可以选择！注意，我也是这个库的作者。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1115280|https://github.com/boostorg/beast/|offset|length|1115281|下面是一个检索网页的完整示例程序：|1115282|#include+<boost/beast/core.hpp>
#include+<boost/beast/http.hpp>
#include+<boost/beast/version.hpp>
#include+<boost/asio/connect.hpp>
#include+<boost/asio/ip/tcp.hpp>
#include+<cstdlib>
#include+<iostream>
#include+<string>

using+tcp+=+boost::asio::ip::tcp;+++++++//+from+<boost/asio/ip/tcp.hpp>
namespace+http+=+boost::beast::http;++++//+from+<boost/beast/http.hpp>

//+Performs+an+HTTP+GET+and+prints+the+response
int+main(int+argc,+char**+argv)
{
++++try
++++{
++++++++//+Check+command+line+arguments.
++++++++if(argc+!=+4+&&+argc+!=+5)
++++++++{
++++++++++++std::cerr+<<
++++++++++++++++"Usage:+http-client-sync+<host>+<port>+<target>+[<HTTP+version:+1.0+or+1.1(default)>]\n"+<<
++++++++++++++++"Example:\n"+<<
++++++++++++++++"++++http-client-sync+www.example.com+80+/\n"+<<
++++++++++++++++"++++http-client-sync+www.example.com+80+/+1.0\n";
++++++++++++return+EXIT_FAILURE;
++++++++}
++++++++auto+const+host+=+argv[1];
++++++++auto+const+port+=+argv[2];
++++++++auto+const+target+=+argv[3];
++++++++int+version+=+argc+==+5+&&+!std::strcmp("1.0",+argv[4])+?+10+:+11;

++++++++//+The+io_context+is+required+for+all+I/O
++++++++boost::asio::io_context+ioc;

++++++++//+These+objects+perform+our+I/O
++++++++tcp::resolver+resolver{ioc};
++++++++tcp::socket+socket{ioc};

++++++++//+Look+up+the+domain+name
++++++++auto+const+results+=+resolver.resolve(host,+port);

++++++++//+Make+the+connection+on+the+IP+address+we+get+from+a+lookup
++++++++boost::asio::connect(socket,+results.begin(),+results.end());

++++++++//+Set+up+an+HTTP+GET+request+message
++++++++http::request<http::string_body>+req{http::verb::get,+target,+version};
++++++++req.set(http::field::host,+host);
++++++++req.set(http::field::user_agent,+BOOST_BEAST_VERSION_STRING);

++++++++//+Send+the+HTTP+request+to+the+remote+host
++++++++http::write(socket,+req);

++++++++//+This+buffer+is+used+for+reading+and+must+be+persisted
++++++++boost::beast::flat_buffer+buffer;

++++++++//+Declare+a+container+to+hold+the+response
++++++++http::response<http::dynamic_body>+res;

++++++++//+Receive+the+HTTP+response
++++++++http::read(socket,+buffer,+res);

++++++++//+Write+the+message+to+standard+out
++++++++std::cout+<<+res+<<+std::endl;

++++++++//+Gracefully+close+the+socket
++++++++boost::system::error_code+ec;
++++++++socket.shutdown(tcp::socket::shutdown_both,+ec);

++++++++//+not_connected+happens+sometimes
++++++++//+so+don't+bother+reporting+it.
++++++++//
++++++++if(ec+&&+ec+!=+boost::system::errc::not_connected)
++++++++++++throw+boost::system::system_error{ec};

++++++++//+If+we+get+here+then+the+connection+is+closed+gracefully
++++}
++++catch(std::exception+const&+e)
++++{
++++++++std::cerr+<<+"Error:+"+<<+e.what()+<<+std::endl;
++++++++return+EXIT_FAILURE;
++++}
++++return+EXIT_SUCCESS;
}|code-block|syntax|javascript|1115283|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|Y|0|0|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|U|8|@]|9|@$D|V|E|W|1|X]]|A|$]]|$1|F|3|G|5|6|7|Y|8|@]|9|@]|A|$]]|$1|H|3|I|5|J|7|Z|8|@]|9|@]|A|$K|L]]|$1|M|3|-4|5|6|7|10|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|C]]]]

Better late than never, here's a new answer to an old question. There's this new open source library called Boost.Beast which offers both HTTP and WebSocket functionality using Boost.Asio. It emulates the familiar Asio interfaces as closely as possible, and its got plenty of documentation. It builds on clang, gcc, and Visual Studio using either bjam or CMake - your choice! Note, I am also the author of the library.

<a href="https://github.com/boostorg/beast/" rel="noreferrer">https://github.com/boostorg/beast/</a>

Here's a complete example program that retrieves a web page:

<pre><code>#include &lt;boost/beast/core.hpp&gt;
#include &lt;boost/beast/http.hpp&gt;
#include &lt;boost/beast/version.hpp&gt;
#include &lt;boost/asio/connect.hpp&gt;
#include &lt;boost/asio/ip/tcp.hpp&gt;
#include &lt;cstdlib&gt;
#include &lt;iostream&gt;
#include &lt;string&gt;

using tcp = boost::asio::ip::tcp; // from &lt;boost/asio/ip/tcp.hpp&gt;
namespace http = boost::beast::http; // from &lt;boost/beast/http.hpp&gt;

// Performs an HTTP GET and prints the response
int main(int argc, char** argv)
{
 try
 {
 // Check command line arguments.
 if(argc != 4 &amp;&amp; argc != 5)
 {
 std::cerr &lt;&lt;
 "Usage: http-client-sync &lt;host&gt; &lt;port&gt; &lt;target&gt; [&lt;HTTP version: 1.0 or 1.1(default)&gt;]\n" &lt;&lt;
 "Example:\n" &lt;&lt;
 " http-client-sync www.example.com 80 /\n" &lt;&lt;
 " http-client-sync www.example.com 80 / 1.0\n";
 return EXIT_FAILURE;
 }
 auto const host = argv[1];
 auto const port = argv[2];
 auto const target = argv[3];
 int version = argc == 5 &amp;&amp; !std::strcmp("1.0", argv[4]) ? 10 : 11;

 // The io_context is required for all I/O
 boost::asio::io_context ioc;

 // These objects perform our I/O
 tcp::resolver resolver{ioc};
 tcp::socket socket{ioc};

 // Look up the domain name
 auto const results = resolver.resolve(host, port);

 // Make the connection on the IP address we get from a lookup
 boost::asio::connect(socket, results.begin(), results.end());

 // Set up an HTTP GET request message
 http::request&lt;http::string_body&gt; req{http::verb::get, target, version};
 req.set(http::field::host, host);
 req.set(http::field::user_agent, BOOST_BEAST_VERSION_STRING);

 // Send the HTTP request to the remote host
 http::write(socket, req);

 // This buffer is used for reading and must be persisted
 boost::beast::flat_buffer buffer;

 // Declare a container to hold the response
 http::response&lt;http::dynamic_body&gt; res;

 // Receive the HTTP response
 http::read(socket, buffer, res);

 // Write the message to standard out
 std::cout &lt;&lt; res &lt;&lt; std::endl;

 // Gracefully close the socket
 boost::system::error_code ec;
 socket.shutdown(tcp::socket::shutdown_both, ec);

 // not_connected happens sometimes
 // so don't bother reporting it.
 //
 if(ec &amp;&amp; ec != boost::system::errc::not_connected)
 throw boost::system::system_error{ec};

 // If we get here then the connection is closed gracefully
 }
 catch(std::exception const&amp; e)
 {
 std::cerr &lt;&lt; "Error: " &lt;&lt; e.what() &lt;&lt; std::endl;
 return EXIT_FAILURE;
 }
 return EXIT_SUCCESS;
}
</code></pre>

blocks|key|1330490|text|有一个项目试图"Boostify“libcurl：https://github.com/breese/trial.url|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1330491|我将使用它作为设计Boost.Http客户端应用程序接口的参考。但是，我计划将重点放在高级抽象上，并尽可能多地与Beast.HTTP作者合作。|1330492|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/breese/trial.url^0|P|Z|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

There's this project trying to "Boostify" libcurl: <a href="https://github.com/breese/trial.url" rel="nofollow">https://github.com/breese/trial.url</a>

I'll use this as a reference to design Boost.Http client API. However, I plan to focus on high-level abstractions and try to collaborate as much as possible with Beast.HTTP author.

I am looking for a modern C++ HTTP library because libcurl's shortcomings are difficult to work around by C++ wrappers. Solutions based on Boost.ASIO, which has become the de-facto C++ TCP library, are preferred.

Boost.ASIO-based HTTP client library (like libcurl)

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我正在寻找一个现代的libcurl HTTP库，因为C++包装器很难解决C++的缺点。基于Boost.ASIO的解决方案已经成为事实上的C++ TCP库，是首选。

问基于Boost.ASIO的HTTP客户端库(如libcurl)
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问基于Boost.ASIO的HTTP客户端库(如libcurl)EN