sample/using_external_io_context/main.cpp
#include <iostream>
#include <restinio/all.hpp>
// Create request handler.
auto create_request_handler( const std::string& tag )
{
return [tag]( auto req ) {
if( restinio::http_method_get() == req->header().method() &&
req->header().request_target() == "/" )
{
req->create_response()
.append_header( restinio::http_field::server, "RESTinio hello world server" )
.append_header_date_field()
.append_header( restinio::http_field::content_type, "text/plain; charset=utf-8" )
.set_body( "Server tag: " + tag )
.done();
return restinio::request_accepted();
}
return restinio::request_rejected();
};
}
int main()
{
// Since RESTinio supports both stand-alone ASIO and boost::ASIO
// we specify an alias for a concrete asio namesace.
// That's makes it possible to compile the code in both cases.
// Typicaly only one of ASIO variants would be used,
// and so only asio::* or only boost::asio::* would be applied.
namespace asio_ns = restinio::asio_ns;
try
{
// External io_context.
asio_ns::io_context io_context;
using server_t = restinio::http_server_t<>;
using settings_t = restinio::server_settings_t<>;
server_t srv1{
restinio::external_io_context( io_context ),
settings_t{}
.port( 8080 )
.address( "localhost" )
.request_handler( create_request_handler( "server1" ) ) };
server_t srv2{
restinio::external_io_context( io_context ),
settings_t{}
.port( 8081 )
.address( "localhost" )
.request_handler( create_request_handler( "server2" ) ) };
asio_ns::signal_set break_signals{ io_context, SIGINT };
break_signals.async_wait(
[&]( const asio_ns::error_code & ec, int ){
if( !ec )
{
srv1.close_sync();
srv2.close_sync();
}
} );
asio_ns::post( io_context, [&]{
srv1.open_sync();
srv2.open_sync();
} );
io_context.run();
}
catch( const std::exception & ex )
{
std::cerr << "Error: " << ex.what() << std::endl;
return 1;
}
return 0;
}
all.hpp
restinio::http_server_t
Class for http-server.
Definition: http_server.hpp:169
restinio::server_settings_t
A fluent style interface for setting http server params.
Definition: settings.hpp:1768
restinio::request_rejected
RESTINIO_NODISCARD constexpr request_handling_status_t request_rejected() noexcept
Definition: common_types.hpp:53
restinio::external_io_context
io_context_holder_t external_io_context(asio_ns::io_context &ctx)
Function which tells that http_server should use external instance of io_context and should not contr...
Definition: http_server.hpp:87
restinio::request_accepted
RESTINIO_NODISCARD constexpr request_handling_status_t request_accepted() noexcept
Definition: common_types.hpp:46