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4192 mejdrech 1
/*
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 * Copyright (c) 2009 Lukas Mejdrech
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup netif
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 *  @{
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 */
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/**
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 * @file
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 */
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#include <malloc.h>
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#include <task.h>
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#include <unistd.h>
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#include <ipc/services.h>
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#include "../err.h"
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#include "../modules.h"
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#include "generic_char_map.h"
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#include "module_map.h"
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GENERIC_CHAR_MAP_IMPLEMENT( modules, module_t )
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int add_module( module_ref * module, modules_ref modules, char * name, char * filename, services_t service, task_id_t task_id ){
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    ERROR_DECLARE;
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    module_ref  tmp_module;
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    tmp_module = ( module_ref ) malloc( sizeof( module_t ));
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    if( ! tmp_module ) return ENOMEM;
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    tmp_module->task_id = task_id;
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    tmp_module->phone = 0;
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    tmp_module->usage = 0;
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    tmp_module->name = name;
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    tmp_module->filename = filename;
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    tmp_module->service = service;
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    if( ERROR_OCCURRED( modules_add( modules, tmp_module->name, 0, tmp_module ))){
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        free( tmp_module );
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        return ERROR_CODE;
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    }
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    if( module ) * module = tmp_module;
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    return EOK;
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}
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module_ref get_running_module( modules_ref modules, char * name ){
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    module_ref  module;
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    module = modules_find( modules, name, 0 );
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    // TODO register the unknown one?
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    if( ! module ) return NULL;
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    if( ! module->task_id ){
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        module->task_id = spawn( module->filename );
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        if( ! module->task_id ) return NULL;
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    }
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    if( ! module->phone ){
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        module->phone = connect_to_service( module->service );
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    }
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    return module;
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}
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task_id_t spawn( char * fname ){
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    char * argv[ 2 ];
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//  char * argv[ 4 ];
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    task_id_t   res;
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//  printf( "Spawning %s\n", fname );
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    argv[ 0 ] = fname;
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    argv[ 1 ] = NULL;
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    res = task_spawn( fname, argv );
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/*  argv[ 0 ] = "/app/trace";
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    argv[ 1 ] = "+ti";
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    argv[ 2 ] = fname;
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    argv[ 3 ] = NULL;
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    res = task_spawn( "/app/trace", argv );
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*/
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    if( res != 0 ){
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        /* Success */
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        usleep( 10000 );
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    }
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    return res;
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}
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/** @}
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 */