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net is a namespace alias for boost::asio:

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The namespace alias beast::net replaces boost::asio in all code
and documentation.
This commit is contained in:
Vinnie Falco committed 2018-12-02 17:51:43 -08:00
1 parent a5739c3ea0
commit f995fd41a3
185 files changed
+2486 -2392
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example/http/server/coro/http_server_coro.cpp
+35 -33
View File
@@ -27,19 +27,21 @@
#include <thread>
#include <vector>
namespace beast = boost::beast; // from <boost/beast.hpp>
namespace http = beast::http; // from <boost/beast/http.hpp>
namespace net = boost::asio; // from <boost/asio.hpp>
using tcp = boost::asio::ip::tcp; // from <boost/asio/ip/tcp.hpp>
namespace http = boost::beast::http; // from <boost/beast/http.hpp>
// Return a reasonable mime type based on the extension of a file.
boost::beast::string_view
mime_type(boost::beast::string_view path)
beast::string_view
mime_type(beast::string_view path)
{
using boost::beast::iequals;
using beast::iequals;
auto const ext = [&path]
{
auto const pos = path.rfind(".");
if(pos == boost::beast::string_view::npos)
return boost::beast::string_view{};
if(pos == beast::string_view::npos)
return beast::string_view{};
return path.substr(pos);
}();
if(iequals(ext, ".htm")) return "text/html";
@@ -70,8 +72,8 @@ mime_type(boost::beast::string_view path)
// The returned path is normalized for the platform.
std::string
path_cat(
boost::beast::string_view base,
boost::beast::string_view path)
beast::string_view base,
beast::string_view path)
{
if(base.empty())
return path.to_string();
@@ -102,13 +104,13 @@ template<
class Send>
void
handle_request(
boost::beast::string_view doc_root,
beast::string_view doc_root,
http::request<Body, http::basic_fields<Allocator>>&& req,
Send&& send)
{
// Returns a bad request response
auto const bad_request =
[&req](boost::beast::string_view why)
[&req](beast::string_view why)
{
http::response<http::string_body> res{http::status::bad_request, req.version()};
res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
@@ -121,7 +123,7 @@ handle_request(
// Returns a not found response
auto const not_found =
[&req](boost::beast::string_view target)
[&req](beast::string_view target)
{
http::response<http::string_body> res{http::status::not_found, req.version()};
res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
@@ -134,7 +136,7 @@ handle_request(
// Returns a server error response
auto const server_error =
[&req](boost::beast::string_view what)
[&req](beast::string_view what)
{
http::response<http::string_body> res{http::status::internal_server_error, req.version()};
res.set(http::field::server, BOOST_BEAST_VERSION_STRING);
@@ -153,7 +155,7 @@ handle_request(
// Request path must be absolute and not contain "..".
if( req.target().empty() ||
req.target()[0] != '/' ||
req.target().find("..") != boost::beast::string_view::npos)
req.target().find("..") != beast::string_view::npos)
return send(bad_request("Illegal request-target"));
// Build the path to the requested file
@@ -162,12 +164,12 @@ handle_request(
path.append("index.html");
// Attempt to open the file
boost::beast::error_code ec;
beast::error_code ec;
http::file_body::value_type body;
body.open(path.c_str(), boost::beast::file_mode::scan, ec);
body.open(path.c_str(), beast::file_mode::scan, ec);
// Handle the case where the file doesn't exist
if(ec == boost::system::errc::no_such_file_or_directory)
if(ec == beast::errc::no_such_file_or_directory)
return send(not_found(req.target()));
// Handle an unknown error
@@ -204,7 +206,7 @@ handle_request(
// Report a failure
void
fail(boost::system::error_code ec, char const* what)
fail(beast::error_code ec, char const* what)
{
std::cerr << what << ": " << ec.message() << "\n";
}
@@ -216,15 +218,15 @@ struct send_lambda
{
Stream& stream_;
bool& close_;
boost::system::error_code& ec_;
boost::asio::yield_context yield_;
beast::error_code& ec_;
net::yield_context yield_;
explicit
send_lambda(
Stream& stream,
bool& close,
boost::system::error_code& ec,
boost::asio::yield_context yield)
beast::error_code& ec,
net::yield_context yield)
: stream_(stream)
, close_(close)
, ec_(ec)
@@ -252,13 +254,13 @@ void
do_session(
tcp::socket& socket,
std::shared_ptr<std::string const> const& doc_root,
boost::asio::yield_context yield)
net::yield_context yield)
{
bool close = false;
boost::system::error_code ec;
beast::error_code ec;
// This buffer is required to persist across reads
boost::beast::flat_buffer buffer;
beast::flat_buffer buffer;
// This lambda is used to send messages
send_lambda<tcp::socket> lambda{socket, close, ec, yield};
@@ -296,12 +298,12 @@ do_session(
// Accepts incoming connections and launches the sessions
void
do_listen(
boost::asio::io_context& ioc,
net::io_context& ioc,
tcp::endpoint endpoint,
std::shared_ptr<std::string const> const& doc_root,
boost::asio::yield_context yield)
net::yield_context yield)
{
boost::system::error_code ec;
beast::error_code ec;
// Open the acceptor
tcp::acceptor acceptor(ioc);
@@ -310,7 +312,7 @@ do_listen(
return fail(ec, "open");
// Allow address reuse
acceptor.set_option(boost::asio::socket_base::reuse_address(true), ec);
acceptor.set_option(net::socket_base::reuse_address(true), ec);
if(ec)
return fail(ec, "set_option");
@@ -320,7 +322,7 @@ do_listen(
return fail(ec, "bind");
// Start listening for connections
acceptor.listen(boost::asio::socket_base::max_listen_connections, ec);
acceptor.listen(net::socket_base::max_listen_connections, ec);
if(ec)
return fail(ec, "listen");
@@ -331,7 +333,7 @@ do_listen(
if(ec)
fail(ec, "accept");
else
boost::asio::spawn(
net::spawn(
acceptor.get_executor().context(),
std::bind(
&do_session,
@@ -352,16 +354,16 @@ int main(int argc, char* argv[])
" http-server-coro 0.0.0.0 8080 . 1\n";
return EXIT_FAILURE;
}
auto const address = boost::asio::ip::make_address(argv[1]);
auto const address = net::ip::make_address(argv[1]);
auto const port = static_cast<unsigned short>(std::atoi(argv[2]));
auto const doc_root = std::make_shared<std::string>(argv[3]);
auto const threads = std::max<int>(1, std::atoi(argv[4]));
// The io_context is required for all I/O
boost::asio::io_context ioc{threads};
net::io_context ioc{threads};
// Spawn a listening port
boost::asio::spawn(ioc,
net::spawn(ioc,
std::bind(
&do_listen,
std::ref(ioc),