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/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "Client.h"
#include <AK/HashMap.h>
#include <AK/IPv4Address.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/EventLoop.h>
#include <LibCore/System.h>
#include <LibCore/TCPServer.h>
#include <LibMain/Main.h>
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
TRY(Core::System::pledge("stdio unix inet id accept"));
TRY(Core::System::unveil(nullptr, nullptr));
int port = 7;
Core::ArgsParser args_parser;
args_parser.add_option(port, "Port to listen on", "port", 'p', "port");
args_parser.parse(arguments);
if ((u16)port != port) {
warnln("Invalid port number: {}", port);
exit(1);
}
Core::EventLoop event_loop;
auto server = TRY(Core::TCPServer::try_create());
TRY(server->listen({}, port));
HashMap<int, NonnullRefPtr<Client>> clients;
int next_id = 0;
server->on_ready_to_accept = [&next_id, &clients, &server] {
int id = next_id++;
auto maybe_client_socket = server->accept();
if (maybe_client_socket.is_error()) {
warnln("accept: {}", maybe_client_socket.error());
return;
}
outln("Client {} connected", id);
auto client = Client::create(id, maybe_client_socket.release_value());
client->on_exit = [&clients, id] {
Core::deferred_invoke([&clients, id] {
clients.remove(id);
outln("Client {} disconnected", id);
});
};
clients.set(id, client);
};
outln("Listening on 0.0.0.0:{}", port);
return event_loop.exec();
}
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