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https://github.com/boostorg/beast.git
synced 2026-02-03 22:06:16 +01:00
net is a namespace alias for boost::asio:
The namespace alias beast::net replaces boost::asio in all code and documentation.
This commit is contained in:
@@ -30,19 +30,21 @@
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#include <thread>
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#include <vector>
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namespace beast = boost::beast; // from <boost/beast.hpp>
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namespace http = beast::http; // from <boost/beast/http.hpp>
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namespace net = boost::asio; // from <boost/asio.hpp>
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using tcp = boost::asio::ip::tcp; // from <boost/asio/ip/tcp.hpp>
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namespace http = boost::beast::http; // from <boost/beast/http.hpp>
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// Return a reasonable mime type based on the extension of a file.
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boost::beast::string_view
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mime_type(boost::beast::string_view path)
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beast::string_view
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mime_type(beast::string_view path)
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{
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using boost::beast::iequals;
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using beast::iequals;
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auto const ext = [&path]
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{
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auto const pos = path.rfind(".");
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if(pos == boost::beast::string_view::npos)
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return boost::beast::string_view{};
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if(pos == beast::string_view::npos)
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return beast::string_view{};
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return path.substr(pos);
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}();
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if(iequals(ext, ".htm")) return "text/html";
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@@ -73,8 +75,8 @@ mime_type(boost::beast::string_view path)
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// The returned path is normalized for the platform.
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std::string
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path_cat(
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boost::beast::string_view base,
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boost::beast::string_view path)
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beast::string_view base,
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beast::string_view path)
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{
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if(base.empty())
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return path.to_string();
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@@ -105,13 +107,13 @@ template<
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class Send>
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void
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handle_request(
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boost::beast::string_view doc_root,
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beast::string_view doc_root,
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http::request<Body, http::basic_fields<Allocator>>&& req,
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Send&& send)
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{
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// Returns a bad request response
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auto const bad_request =
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[&req](boost::beast::string_view why)
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[&req](beast::string_view why)
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{
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http::response<http::string_body> res{http::status::bad_request, req.version()};
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res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
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@@ -124,7 +126,7 @@ handle_request(
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// Returns a not found response
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auto const not_found =
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[&req](boost::beast::string_view target)
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[&req](beast::string_view target)
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{
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http::response<http::string_body> res{http::status::not_found, req.version()};
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res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
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@@ -137,7 +139,7 @@ handle_request(
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// Returns a server error response
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auto const server_error =
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[&req](boost::beast::string_view what)
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[&req](beast::string_view what)
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{
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http::response<http::string_body> res{http::status::internal_server_error, req.version()};
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res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
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@@ -156,7 +158,7 @@ handle_request(
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// Request path must be absolute and not contain "..".
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if( req.target().empty() ||
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req.target()[0] != '/' ||
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req.target().find("..") != boost::beast::string_view::npos)
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req.target().find("..") != beast::string_view::npos)
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return send(bad_request("Illegal request-target"));
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// Build the path to the requested file
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@@ -165,12 +167,12 @@ handle_request(
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path.append("index.html");
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// Attempt to open the file
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boost::beast::error_code ec;
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beast::error_code ec;
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http::file_body::value_type body;
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body.open(path.c_str(), boost::beast::file_mode::scan, ec);
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body.open(path.c_str(), beast::file_mode::scan, ec);
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// Handle the case where the file doesn't exist
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if(ec == boost::system::errc::no_such_file_or_directory)
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if(ec == beast::errc::no_such_file_or_directory)
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return send(not_found(req.target()));
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// Handle an unknown error
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@@ -207,14 +209,14 @@ handle_request(
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// Report a failure
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void
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fail(boost::system::error_code ec, char const* what)
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fail(beast::error_code ec, char const* what)
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{
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std::cerr << what << ": " << ec.message() << "\n";
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}
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// Handles an HTTP server connection
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class session
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: public boost::asio::coroutine
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: public net::coroutine
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, public std::enable_shared_from_this<session>
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{
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// This is the C++11 equivalent of a generic lambda.
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@@ -248,7 +250,7 @@ class session
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http::async_write(
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self_.socket_,
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*sp,
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boost::asio::bind_executor(
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net::bind_executor(
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self_.strand_,
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std::bind(
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&session::loop,
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@@ -260,9 +262,9 @@ class session
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};
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tcp::socket socket_;
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boost::asio::strand<
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boost::asio::io_context::executor_type> strand_;
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boost::beast::flat_buffer buffer_;
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net::strand<
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net::io_context::executor_type> strand_;
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beast::flat_buffer buffer_;
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std::shared_ptr<std::string const> doc_root_;
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http::request<http::string_body> req_;
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std::shared_ptr<void> res_;
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@@ -291,7 +293,7 @@ public:
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#include <boost/asio/yield.hpp>
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void
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loop(
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boost::system::error_code ec,
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beast::error_code ec,
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std::size_t bytes_transferred,
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bool close)
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{
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@@ -306,7 +308,7 @@ public:
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// Read a request
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yield http::async_read(socket_, buffer_, req_,
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boost::asio::bind_executor(
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net::bind_executor(
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strand_,
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std::bind(
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&session::loop,
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@@ -350,7 +352,7 @@ public:
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// Accepts incoming connections and launches the sessions
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class listener
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: public boost::asio::coroutine
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: public net::coroutine
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, public std::enable_shared_from_this<listener>
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{
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tcp::acceptor acceptor_;
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@@ -359,14 +361,14 @@ class listener
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public:
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listener(
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boost::asio::io_context& ioc,
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net::io_context& ioc,
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tcp::endpoint endpoint,
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std::shared_ptr<std::string const> const& doc_root)
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: acceptor_(ioc)
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, socket_(ioc)
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, doc_root_(doc_root)
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{
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boost::system::error_code ec;
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beast::error_code ec;
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// Open the acceptor
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acceptor_.open(endpoint.protocol(), ec);
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@@ -377,7 +379,7 @@ public:
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}
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// Allow address reuse
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acceptor_.set_option(boost::asio::socket_base::reuse_address(true), ec);
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acceptor_.set_option(net::socket_base::reuse_address(true), ec);
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if(ec)
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{
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fail(ec, "set_option");
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@@ -393,7 +395,7 @@ public:
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}
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// Start listening for connections
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acceptor_.listen(boost::asio::socket_base::max_listen_connections, ec);
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acceptor_.listen(net::socket_base::max_listen_connections, ec);
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if(ec)
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{
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fail(ec, "listen");
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@@ -412,7 +414,7 @@ public:
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#include <boost/asio/yield.hpp>
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void
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loop(boost::system::error_code ec = {})
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loop(beast::error_code ec = {})
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{
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reenter(*this)
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{
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@@ -454,13 +456,13 @@ int main(int argc, char* argv[])
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" http-server-stackless 0.0.0.0 8080 . 1\n";
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return EXIT_FAILURE;
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}
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auto const address = boost::asio::ip::make_address(argv[1]);
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auto const address = net::ip::make_address(argv[1]);
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auto const port = static_cast<unsigned short>(std::atoi(argv[2]));
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auto const doc_root = std::make_shared<std::string>(argv[3]);
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auto const threads = std::max<int>(1, std::atoi(argv[4]));
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// The io_context is required for all I/O
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boost::asio::io_context ioc{threads};
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net::io_context ioc{threads};
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// Create and launch a listening port
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std::make_shared<listener>(
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