source: mainline/uspace/srv/net/udp/udp.c

/*
 * Copyright (c) 2012 Jiri Svoboda
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup udp
 * @{
 */

/**
 * @file UDP (User Datagram Protocol) service
 */

#include <async.h>
#include <errno.h>
#include <io/log.h>
#include <stdio.h>
#include <task.h>

#include "assoc.h"
#include "service.h"
#include "udp_inet.h"

#define NAME       "udp"

static udp_assocs_dep_t udp_assocs_dep = {
        .get_srcaddr = udp_get_srcaddr,
        .transmit_msg = udp_transmit_msg
};

static errno_t udp_init(void)
{
        errno_t rc;

        log_msg(LOG_DEFAULT, LVL_DEBUG, "udp_init()");

        rc = udp_assocs_init(&udp_assocs_dep);
        if (rc != EOK) {
                log_msg(LOG_DEFAULT, LVL_ERROR, "Failed initializing associations.");
                return ENOMEM;
        }

        rc = udp_inet_init();
        if (rc != EOK) {
                log_msg(LOG_DEFAULT, LVL_ERROR, "Failed connecting to internet service.");
                return ENOENT;
        }

        rc = udp_service_init();
        if (rc != EOK) {
                log_msg(LOG_DEFAULT, LVL_ERROR, "Failed initializing UDP service.");
                return ENOENT;
        }

        return EOK;
}

int main(int argc, char **argv)
{
        errno_t rc;

        printf(NAME ": UDP (User Datagram Protocol) service\n");

        rc = log_init(NAME);
        if (rc != EOK) {
                printf(NAME ": Failed to initialize log.\n");
                return 1;
        }

        rc = udp_init();
        if (rc != EOK)
                return 1;

        printf(NAME ": Accepting connections.\n");
        task_retval(0);
        async_manager();

        /* Not reached */
        return 0;
}

/**
 * @}
 */