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  1. /*
  2.  * Copyright (c) 2009 Lukas Mejdrech
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup netif
  30.  *  @{
  31.  */
  32.  
  33. /**
  34.  * @file
  35.  */
  36.  
  37. #include <malloc.h>
  38. #include <task.h>
  39. #include <unistd.h>
  40.  
  41. #include <ipc/services.h>
  42.  
  43. #include "../err.h"
  44. #include "../modules.h"
  45.  
  46. #include "generic_char_map.h"
  47. #include "module_map.h"
  48.  
  49. GENERIC_CHAR_MAP_IMPLEMENT( modules, module_t )
  50.  
  51. int add_module( module_ref * module, modules_ref modules, char * name, char * filename, services_t service, task_id_t task_id ){
  52.     ERROR_DECLARE;
  53.  
  54.     module_ref  tmp_module;
  55.  
  56.     tmp_module = ( module_ref ) malloc( sizeof( module_t ));
  57.     if( ! tmp_module ) return ENOMEM;
  58.     tmp_module->task_id = task_id;
  59.     tmp_module->phone = 0;
  60.     tmp_module->usage = 0;
  61.     tmp_module->name = name;
  62.     tmp_module->filename = filename;
  63.     tmp_module->service = service;
  64.     if( ERROR_OCCURRED( modules_add( modules, tmp_module->name, 0, tmp_module ))){
  65.         free( tmp_module );
  66.         return ERROR_CODE;
  67.     }
  68.     if( module ) * module = tmp_module;
  69.     return EOK;
  70. }
  71.  
  72. module_ref get_running_module( modules_ref modules, char * name ){
  73.     module_ref  module;
  74.  
  75.     module = modules_find( modules, name, 0 );
  76.     // TODO register the unknown one?
  77.     if( ! module ) return NULL;
  78.     if( ! module->task_id ){
  79.         module->task_id = spawn( module->filename );
  80.         if( ! module->task_id ) return NULL;
  81.     }
  82.     if( ! module->phone ){
  83.         module->phone = connect_to_service( module->service );
  84.     }
  85.     return module;
  86. }
  87.  
  88. task_id_t spawn( char * fname ){
  89.     char * argv[ 2 ];
  90. //  char * argv[ 4 ];
  91.     task_id_t   res;
  92.  
  93. //  printf( "Spawning %s\n", fname );
  94.     argv[ 0 ] = fname;
  95.     argv[ 1 ] = NULL;
  96.     res = task_spawn( fname, argv );
  97. /*  argv[ 0 ] = "/app/trace";
  98.     argv[ 1 ] = "+ti";
  99.     argv[ 2 ] = fname;
  100.     argv[ 3 ] = NULL;
  101.     res = task_spawn( "/app/trace", argv );
  102. */
  103.     if( res != 0 ){
  104.         /* Success */
  105.         usleep( 10000 );
  106.     }
  107.     return res;
  108. }
  109.  
  110. /** @}
  111.  */
  112.