src/gras/DataDesc/datadesc.c

   1 /* $Id$ */
   2
   3 /* datadesc - data description in order to send/recv it in GRAS             */
   4
   5 /* Copyright (c) 2003 Olivier Aumage.                                       */
   6 /* Copyright (c) 2003, 2004 Martin Quinson.                                 */
   7 /* All rights reserved.                                                     */
   8
   9 /* This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the license (GNU LGPL) which comes with this package. */
  11
  12 #include "gras/DataDesc/datadesc_private.h"
  13
  14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(datadesc,gras,"Data description");
  15 /* FIXME: make this host-dependent using a trick such as UserData*/
  16 /*@null@*/xbt_set_t gras_datadesc_set_local=NULL;
  17
  18
  19 /* callback for array size when sending strings */
  20 static int
  21 _strlen_cb(/*@unused@*/gras_datadesc_type_t type,/*@unused@*/gras_cbps_t vars, void *data) {
  22
  23   return 1+(int)strlen(data);
  24 }
  25
  26
  27 /**
  28  * gras_datadesc_init:
  29  *
  30  * Initialize the datadesc module.
  31  * FIXME: We assume that when neither signed nor unsigned is given,
  32  *    that means signed. To be checked by configure.
  33  **/
  34 void
  35 gras_datadesc_init(void) {
  36   gras_datadesc_type_t ddt; /* What to add */
  37
  38   /* only initialize once */
  39   if (gras_datadesc_set_local != NULL)
  40     return;
  41
  42   VERB0("Initializing DataDesc");
  43
  44   gras_datadesc_set_local = xbt_set_new();
  45
  46   ddt = gras_datadesc_scalar("signed char",
  47                              gras_ddt_scalar_char,
  48                              e_gras_dd_scalar_encoding_sint);
  49   ddt = gras_datadesc_scalar("char",
  50                              gras_ddt_scalar_char,
  51                              e_gras_dd_scalar_encoding_sint);
  52   ddt = gras_datadesc_scalar("unsigned char",
  53                              gras_ddt_scalar_char,
  54                              e_gras_dd_scalar_encoding_uint);
  55
  56   ddt = gras_datadesc_scalar("signed short int",
  57                              gras_ddt_scalar_short,
  58                              e_gras_dd_scalar_encoding_sint);
  59   ddt = gras_datadesc_scalar("short int",
  60                              gras_ddt_scalar_short,
  61                              e_gras_dd_scalar_encoding_sint);
  62   ddt = gras_datadesc_scalar("unsigned short int",
  63                              gras_ddt_scalar_short,
  64                              e_gras_dd_scalar_encoding_uint);
  65
  66   ddt = gras_datadesc_scalar("signed int",
  67                              gras_ddt_scalar_int,
  68                              e_gras_dd_scalar_encoding_sint);
  69   ddt = gras_datadesc_scalar("int",
  70                              gras_ddt_scalar_int,
  71                              e_gras_dd_scalar_encoding_sint);
  72   ddt = gras_datadesc_scalar("unsigned int",
  73                              gras_ddt_scalar_int,
  74                              e_gras_dd_scalar_encoding_uint);
  75
  76   ddt = gras_datadesc_scalar("signed long int",
  77                              gras_ddt_scalar_long,
  78                              e_gras_dd_scalar_encoding_sint);
  79   ddt = gras_datadesc_scalar("long int",
  80                              gras_ddt_scalar_long,
  81                              e_gras_dd_scalar_encoding_sint);
  82   ddt = gras_datadesc_scalar("unsigned long int",
  83                              gras_ddt_scalar_long,
  84                              e_gras_dd_scalar_encoding_uint);
  85
  86   ddt = gras_datadesc_scalar("signed long long int",
  87                              gras_ddt_scalar_long_long,
  88                              e_gras_dd_scalar_encoding_sint);
  89   ddt = gras_datadesc_scalar("long long int",
  90                              gras_ddt_scalar_long_long,
  91                              e_gras_dd_scalar_encoding_sint);
  92   ddt = gras_datadesc_scalar("unsigned long long int",
  93                              gras_ddt_scalar_long_long,
  94                              e_gras_dd_scalar_encoding_uint);
  95
  96   ddt = gras_datadesc_scalar("data pointer",
  97                              gras_ddt_scalar_pdata,
  98                              e_gras_dd_scalar_encoding_uint);
  99   ddt = gras_datadesc_scalar("function pointer",
 100                              gras_ddt_scalar_pfunc,
 101                              e_gras_dd_scalar_encoding_uint);
 102
 103   ddt = gras_datadesc_scalar("float",
 104                              gras_ddt_scalar_float,
 105                              e_gras_dd_scalar_encoding_float);
 106   ddt = gras_datadesc_scalar("double",
 107                              gras_ddt_scalar_double,
 108                              e_gras_dd_scalar_encoding_float);
 109
 110   ddt = gras_datadesc_array_dyn("char[]",
 111                                 gras_datadesc_by_name("char"),
 112                                 _strlen_cb);
 113   ddt = gras_datadesc_ref("string",ddt);
 114
 115
 116   ddt = gras_datadesc_struct("ex_t");
 117   gras_datadesc_struct_append(ddt,"msg",gras_datadesc_by_name("string"));
 118   gras_datadesc_struct_append(ddt,"category",gras_datadesc_by_name("int"));
 119   gras_datadesc_struct_append(ddt,"value",gras_datadesc_by_name("int"));
 120
 121   gras_datadesc_struct_append(ddt,"host",gras_datadesc_by_name("string"));
 122   gras_datadesc_struct_append(ddt,"procname",gras_datadesc_by_name("string"));
 123   gras_datadesc_struct_append(ddt,"file",gras_datadesc_by_name("string"));
 124   gras_datadesc_struct_append(ddt,"line",gras_datadesc_by_name("int"));
 125   gras_datadesc_struct_append(ddt,"func",gras_datadesc_by_name("string"));
 126   gras_datadesc_struct_append(ddt,"used",gras_datadesc_by_name("int"));
 127   gras_datadesc_cb_field_push(ddt,"used");
 128   gras_datadesc_struct_append(ddt,"bt_strings",
 129                               gras_datadesc_ref_pop_arr(gras_datadesc_by_name("string")));
 130
 131   //  gras_datadesc_struct_append(ddt,"bt");
 132   gras_datadesc_struct_close(ddt);
 133 }
 134
 135 /**
 136  * gras_datadesc_exit:
 137  *
 138  * Finalize the datadesc module
 139  **/
 140 void
 141 gras_datadesc_exit(void) {
 142   VERB0("Exiting DataDesc");
 143   xbt_set_free(&gras_datadesc_set_local);
 144   DEBUG0("Exited DataDesc");
 145 }
 146
 147 /** This is mainly to debug */
 148 const char *
 149 gras_datadesc_get_name(gras_datadesc_type_t ddt) {
 150   return ddt?(const char*)ddt->name:"(null)";
 151 }
 152 /** This is mainly to debug */
 153 int
 154 gras_datadesc_get_id(gras_datadesc_type_t ddt) {
 155   return ddt->code;
 156 }
 157
 158 /**
 159  * gras_datadesc_size:
 160  *
 161  * Returns the size occuped by data of this type (on the current arch).
 162  *
 163  */
 164 int gras_datadesc_size(gras_datadesc_type_t type) {
 165   return type?type->size[GRAS_THISARCH]:0;
 166 }
 167
 168 /**
 169  * gras_datadesc_type_dump:
 170  *
 171  * For debugging purpose
 172  */
 173 void gras_datadesc_type_dump(const gras_datadesc_type_t ddt){
 174   int cpt;
 175
 176   printf("DataDesc dump:");
 177   if(!ddt) {
 178     printf("(null)\n");
 179     return;
 180   }
 181   printf ("%s (ID:%d)\n",ddt->name,ddt->code);
 182   printf ("  category: %s\n",gras_datadesc_cat_names[ddt->category_code]);
 183
 184   printf ("  size[");
 185   for (cpt=0; cpt<gras_arch_count; cpt++) {
 186     printf("%s%s%ld%s",
 187            cpt>0?", ":"",
 188            cpt == GRAS_THISARCH ? ">":"",
 189            ddt->size[cpt],
 190            cpt == GRAS_THISARCH ? "<":"");
 191   }
 192   printf ("]\n");
 193
 194   printf ("  alignment[");
 195   for (cpt=0; cpt<gras_arch_count; cpt++) {
 196     printf("%s%s%ld%s",
 197            cpt>0?", ":"",
 198            cpt == GRAS_THISARCH ? ">":"",
 199            ddt->alignment[cpt],
 200            cpt == GRAS_THISARCH ? "<":"");
 201   }
 202   printf ("]\n");
 203
 204   printf ("  aligned_size[");
 205   for (cpt=0; cpt<gras_arch_count; cpt++) {
 206     printf("%s%s%ld%s",
 207            cpt>0?", ":"",
 208            cpt == GRAS_THISARCH ? ">":"",
 209            ddt->aligned_size[cpt],
 210            cpt == GRAS_THISARCH ? "<":"");
 211   }
 212   printf ("]\n");
 213   if (ddt->category_code == e_gras_datadesc_type_cat_struct) {
 214     gras_dd_cat_struct_t struct_data;
 215     gras_dd_cat_field_t  field;
 216
 217     struct_data = ddt->category.struct_data;
 218     xbt_dynar_foreach(struct_data.fields, cpt, field) {
 219     printf(">>> Dump field #%d (%s) (offset=%ld)\n",
 220            cpt,field->name,field->offset[GRAS_THISARCH]);
 221     gras_datadesc_type_dump(field->type);
 222     printf("<<< end dump field #%d (%s)\n",cpt,field->name);
 223     }
 224  }
 225   fflush(stdout);
 226 }