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New classes are introduced to represent HTTP messages and their associated bodies. The parser interface is reworked to use CRTP, error codes, and trait checks. New classes: * basic_headers Models field/value pairs in a HTTP message. * message Models a HTTP message, body behavior defined by template argument. Parsed message carries metadata generated during parsing. * parser Produces parsed messages. * empty_body, string_body, basic_streambuf_body Classes used to represent content bodies in various ways. New functions: * read, async_read, write, async_write Read and write HTTP messages on a socket. New concepts: * Body: Represents the HTTP Content-Body. * Field: A HTTP header field. * FieldSequence: A forward sequence of fields. * Reader: Parses a Body from a stream of bytes. * Writer: Serializes a Body to buffers. basic_parser changes: * add write methods which throw exceptions instead * error_code passed via parameter instead of return value * fold private member calls into existing callbacks * basic_parser uses CRTP instead of virtual members * add documentation on Derived requirements for CRTP impl/http-parser changes: * joyent renamed to nodejs to reflect upstream changes
68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include "http_stream.h"
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#include "urls_large_data.h"
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#include <boost/asio.hpp>
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#include <iostream>
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using namespace beast::http;
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using namespace boost::asio;
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template<class String>
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void
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err(error_code const& ec, String const& what)
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{
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std::cerr << what << ": " << ec.message() << std::endl;
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}
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int main(int, char const*[])
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{
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io_service ios;
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for(auto const& host : urls_large_data())
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{
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try
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{
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ip::tcp::resolver r(ios);
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auto it = r.resolve(
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ip::tcp::resolver::query{host, "http"});
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stream<ip::tcp::socket> hs(ios);
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connect(hs.lowest_layer(), it);
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auto ep = hs.lowest_layer().remote_endpoint();
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request<empty_body> req({method_t::http_get, "/", 11});
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req.headers.insert("Host", host +
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std::string(":") + std::to_string(ep.port()));
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req.headers.insert("User-Agent", "beast/http");
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hs.write(req);
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response<string_body> resp;
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hs.read(resp);
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std::cout << resp;
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}
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catch(boost::system::system_error const& ec)
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{
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std::cerr << host << ": " << ec.what();
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}
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catch(...)
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{
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std::cerr << host << ": unknown exception" << std::endl;
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}
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}
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}
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