ladybird/Userland/Services/EchoServer/main.cpp
Andreas Kling 31d4bcf5bf Userland: Tighten a *lot* of pledges! :^)
Since applications using Core::EventLoop no longer need to create a
socket in /tmp/rpc/, and also don't need to listen for incoming
connections on this socket, we can remove a whole bunch of pledges!
2021-05-13 23:28:40 +02:00

75 lines
1.7 KiB
C++

/*
* 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/TCPServer.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int main(int argc, char** argv)
{
if (pledge("stdio unix inet id accept", nullptr) < 0) {
perror("pledge");
return 1;
}
if (unveil(nullptr, nullptr) < 0) {
perror("unveil");
return 1;
}
int port = 7;
Core::ArgsParser args_parser;
args_parser.add_option(port, "Port to listen on", "port", 'p', "port");
args_parser.parse(argc, argv);
if ((u16)port != port) {
warnln("Invalid port number: {}", port);
exit(1);
}
Core::EventLoop event_loop;
auto server = Core::TCPServer::construct();
if (!server->listen({}, port)) {
warnln("Listening on 0.0.0.0:{} failed", port);
exit(1);
}
HashMap<int, NonnullRefPtr<Client>> clients;
int next_id = 0;
server->on_ready_to_accept = [&next_id, &clients, &server] {
int id = next_id++;
auto client_socket = server->accept();
if (!client_socket) {
perror("accept");
return;
}
outln("Client {} connected", id);
auto client = Client::create(id, move(client_socket));
client->on_exit = [&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();
}