mrp_server.c

// Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries.
// SPDX-License-Identifier: (GPL-2.0)


#include <stdio.h>
#include <stdbool.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/ctrl.h>
#include <ev.h>
#include <unistd.h>

#include "server_socket.h"
#include "utils.h"
#include "packet.h"
#include "print.h"

volatile bool quit = false;

static void usage(void)
{
	printf("Usage::\n"
	       " -m        print messages to stdout\n"
	       " -h        print this message and exit\n"
	       " -l [num]  set the logging level\n");
}

static void handle_signal(int sig)
{
	ev_break(EV_DEFAULT, EVBREAK_ALL);;
}

int signal_init(void)
{
	struct sigaction sa;
	memset(&sa, 0, sizeof(sa));
	sa.sa_handler = handle_signal;
	sa.sa_flags = 0;

	sigaction(SIGTERM, &sa, NULL);
	sigaction(SIGINT, &sa, NULL);
	sigaction(SIGHUP, &sa, NULL);
	sigaction(SIGUSR2, &sa, NULL);

	sa.sa_handler = SIG_IGN;
	sigaction(SIGPIPE, &sa, NULL);

	return 0;
}

int main(int argc, char *argv[])
{
	int c;

	while ((c = getopt(argc, argv, "mhl:")) != -1) {
		switch (c) {
		case 'm':
			print_set_verbose(1);
			break;
		case 'l':
			print_set_level(atoi(optarg));
			break;
		case 'h':
			usage();
			return 0;
		default:
			usage();
			return 0;
		}
	}

	ctl_socket_init();
	packet_socket_init();

	ev_run(EV_DEFAULT, 0);

	packet_socket_cleanup();
	ctl_socket_cleanup();

	return 0;
}