Boost Asio总结（16）httpServer例子
Posted thefist11
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#include <iostream>
#include <string>
#include <memory>
#include "asio.hpp"
using namespace std;
class HttpConnection: public std::enable_shared_from_this<HttpConnection>
public:
HttpConnection(asio::io_context& io): socket_(io)
void Start()
auto p = shared_from_this();
asio::async_read_until(socket_, asio::dynamic_buffer(request_), "\\r\\n\\r\\n",
[p, this](const asio::error_code& err, size_t len)
if(err)
cout<<"recv err:"<<err.message()<<"\\n";
return;
string first_line = request_.substr(0, request_.find("\\r\\n")); // should be like: GET / HTTP/1.0
cout<<first_line<<"\\n";
// process with request
// ...
char str[] = "HTTP/1.0 200 OK\\r\\n\\r\\n"
"<html>hello from http server</html>";
asio::async_write(socket_, asio::buffer(str), [p, this](const asio::error_code& err, size_t len)
socket_.close();
);
);
asio::ip::tcp::socket& Socket() return socket_;
private:
asio::ip::tcp::socket socket_;
string request_;
;
class HttpServer
public:
HttpServer(asio::io_context& io, asio::ip::tcp::endpoint ep): io_(io), acceptor_(io, ep)
void Start()
auto p = std::make_shared<HttpConnection>(io_);
acceptor_.async_accept(p->Socket(), [p, this](const asio::error_code& err)
if(err)
cout<<"accept err:"<<err.message()<<"\\n";
return;
p->Start();
Start();
);
private:
asio::io_context& io_;
asio::ip::tcp::acceptor acceptor_;
;
int main(int argc, const char* argv[])
if(argc != 3)
cout<<"usage: httpsvr ip port\\n";
return 0;
asio::io_context io;
asio::ip::tcp::endpoint ep(asio::ip::make_address(argv[1]), std::stoi(argv[2]));
HttpServer hs(io, ep);
hs.Start();
io.run();
return 0;
输出
.运行server
. client访问
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