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http/server/server.cpp

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00001 #include "server.hpp"
00002 #include <boost/bind.hpp>
00003 
00004 namespace http {
00005 namespace server {
00006 
00007 server::server(const std::string& address, const std::string& port,
00008     const std::string& doc_root)
00009   : io_service_(),
00010     acceptor_(io_service_),
00011     connection_manager_(),
00012     new_connection_(new connection(io_service_,
00013           connection_manager_, request_handler_)),
00014     request_handler_(doc_root)
00015 {
00016   // Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR).
00017   asio::ip::tcp::resolver resolver(io_service_);
00018   asio::ip::tcp::resolver::query query(address, port);
00019   asio::ip::tcp::endpoint endpoint = *resolver.resolve(query);
00020   acceptor_.open(endpoint.protocol());
00021   acceptor_.set_option(asio::ip::tcp::acceptor::reuse_address(true));
00022   acceptor_.bind(endpoint);
00023   acceptor_.listen();
00024   acceptor_.async_accept(new_connection_->socket(),
00025       boost::bind(&server::handle_accept, this,
00026         asio::placeholders::error));
00027 }
00028 
00029 void server::run()
00030 {
00031   // The io_service::run() call will block until all asynchronous operations
00032   // have finished. While the server is running, there is always at least one
00033   // asynchronous operation outstanding: the asynchronous accept call waiting
00034   // for new incoming connections.
00035   io_service_.run();
00036 }
00037 
00038 void server::stop()
00039 {
00040   // Post a call to the stop function so that server::stop() is safe to call
00041   // from any thread.
00042   io_service_.post(boost::bind(&server::handle_stop, this));
00043 }
00044 
00045 void server::handle_accept(const asio::error& e)
00046 {
00047   if (!e)
00048   {
00049     connection_manager_.start(new_connection_);
00050     new_connection_.reset(new connection(io_service_,
00051           connection_manager_, request_handler_));
00052     acceptor_.async_accept(new_connection_->socket(),
00053         boost::bind(&server::handle_accept, this,
00054           asio::placeholders::error));
00055   }
00056 }
00057 
00058 void server::handle_stop()
00059 {
00060   // The server is stopped by cancelling all outstanding asynchronous
00061   // operations. Once all operations have finished the io_service::run() call
00062   // will exit.
00063   acceptor_.close();
00064   connection_manager_.stop_all();
00065 }
00066 
00067 } // namespace server
00068 } // namespace http
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