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/*
 * Copyright (c) 2009 Lukas Mejdrech
 * 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 net
 *  @{
 */

/** @file
 *  Starts the networking subsystem.
 *  Performs self test if configured to.
 *  @see configuration.h
 */

#include <async.h>
#include <stdio.h>
#include <task.h>

#include <ipc/ipc.h>
#include <ipc/services.h>

#include "../../err.h"
#include "../../messages.h"
#include "../../modules.h"
#include "../../self_test.h"

/** Networking startup module name.
 */
#define NAME    "Networking startup"

/** Module entry point.
 *  @param argc The number of command line parameters. Input parameter.
 *  @param argv The command line parameters. Input parameter.
 *  @returns EOK on success.
 *  @returns EINVAL if the net module cannot be started.
 *  @returns Other error codes as defined for the self_test() function.
 *  @returns Other error codes as defined for the NET_NET_STARTUP message.
 */
int     main( int argc, char * argv[] );

/** Starts the module.
 *  @param fname The module absolute name. Input parameter.
 *  @returns The started module task identifier.
 *  @returns Other error codes as defined for the task_spawn() function.
 */
task_id_t   spawn( char * fname );

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

    int     net_phone;

    printf( "Task %d - ", task_get_id());
    printf( "%s\n", NAME );
    // run self tests
    ERROR_PROPAGATE( self_test());
    // start net service
    if( ! spawn( "/srv/net" )){
        fprintf( stderr, "Could not spawn net\n" );
        return EINVAL;
    }
    // start net
    net_phone = connect_to_service( SERVICE_NETWORKING );
    if( ERROR_OCCURRED( ipc_call_sync_0_0( net_phone, NET_NET_STARTUP ))){
        printf( "ERROR %d\n", ERROR_CODE );
        return ERROR_CODE;
    }
    printf( "OK\n" );

    return EOK;
}

task_id_t spawn( char * fname ){
    char *  argv[ 2 ];
    task_id_t   res;

//  printf( "Spawning %s\n", fname );
    argv[ 0 ] = fname;
    argv[ 1 ] = NULL;
    res = task_spawn( fname, argv );
    if( res != 0 ){
        /* Success */
        usleep( 50000 );
    }
    return res;
}

/** @}
 */