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,"remote",gras_datadesc_by_name("short int"));
 122
 123   gras_datadesc_struct_append(ddt,"host",gras_datadesc_by_name("string"));
 124   gras_datadesc_struct_append(ddt,"procname",gras_datadesc_by_name("string"));
 125   gras_datadesc_struct_append(ddt,"pid",gras_datadesc_by_name("long int"));
 126   gras_datadesc_struct_append(ddt,"file",gras_datadesc_by_name("string"));
 127   gras_datadesc_struct_append(ddt,"line",gras_datadesc_by_name("int"));
 128   gras_datadesc_struct_append(ddt,"func",gras_datadesc_by_name("string"));
 129   gras_datadesc_struct_append(ddt,"used",gras_datadesc_by_name("int"));
 130   gras_datadesc_cb_field_push(ddt,"used");
 131   gras_datadesc_struct_append(ddt,"bt_strings",
 132                               gras_datadesc_ref_pop_arr(gras_datadesc_by_name("string")));
 133
 134   //  gras_datadesc_struct_append(ddt,"bt");
 135   gras_datadesc_struct_close(ddt);
 136 }
 137
 138 /**
 139  * gras_datadesc_exit:
 140  *
 141  * Finalize the datadesc module
 142  **/
 143 void
 144 gras_datadesc_exit(void) {
 145   VERB0("Exiting DataDesc");
 146   xbt_set_free(&gras_datadesc_set_local);
 147   DEBUG0("Exited DataDesc");
 148 }
 149
 150 /** This is mainly to debug */
 151 const char *
 152 gras_datadesc_get_name(gras_datadesc_type_t ddt) {
 153   return ddt?(const char*)ddt->name:"(null)";
 154 }
 155 /** This is mainly to debug */
 156 int
 157 gras_datadesc_get_id(gras_datadesc_type_t ddt) {
 158   return ddt->code;
 159 }
 160
 161 /**
 162  * gras_datadesc_size:
 163  *
 164  * Returns the size occuped by data of this type (on the current arch).
 165  *
 166  */
 167 int gras_datadesc_size(gras_datadesc_type_t type) {
 168   return type?type->size[GRAS_THISARCH]:0;
 169 }
 170
 171 /**
 172  * gras_datadesc_type_dump:
 173  *
 174  * For debugging purpose
 175  */
 176 void gras_datadesc_type_dump(const gras_datadesc_type_t ddt){
 177   int cpt;
 178
 179   printf("DataDesc dump:");
 180   if(!ddt) {
 181     printf("(null)\n");
 182     return;
 183   }
 184   printf ("%s (ID:%d)\n",ddt->name,ddt->code);
 185   printf ("  category: %s\n",gras_datadesc_cat_names[ddt->category_code]);
 186
 187   printf ("  size[");
 188   for (cpt=0; cpt<gras_arch_count; cpt++) {
 189     printf("%s%s%ld%s",
 190            cpt>0?", ":"",
 191            cpt == GRAS_THISARCH ? ">":"",
 192            ddt->size[cpt],
 193            cpt == GRAS_THISARCH ? "<":"");
 194   }
 195   printf ("]\n");
 196
 197   printf ("  alignment[");
 198   for (cpt=0; cpt<gras_arch_count; cpt++) {
 199     printf("%s%s%ld%s",
 200            cpt>0?", ":"",
 201            cpt == GRAS_THISARCH ? ">":"",
 202            ddt->alignment[cpt],
 203            cpt == GRAS_THISARCH ? "<":"");
 204   }
 205   printf ("]\n");
 206
 207   printf ("  aligned_size[");
 208   for (cpt=0; cpt<gras_arch_count; cpt++) {
 209     printf("%s%s%ld%s",
 210            cpt>0?", ":"",
 211            cpt == GRAS_THISARCH ? ">":"",
 212            ddt->aligned_size[cpt],
 213            cpt == GRAS_THISARCH ? "<":"");
 214   }
 215   printf ("]\n");
 216   if (ddt->category_code == e_gras_datadesc_type_cat_struct) {
 217     gras_dd_cat_struct_t struct_data;
 218     gras_dd_cat_field_t  field;
 219
 220     struct_data = ddt->category.struct_data;
 221     xbt_dynar_foreach(struct_data.fields, cpt, field) {
 222     printf(">>> Dump field #%d (%s) (offset=%ld)\n",
 223            cpt,field->name,field->offset[GRAS_THISARCH]);
 224     gras_datadesc_type_dump(field->type);
 225     printf("<<< end dump field #%d (%s)\n",cpt,field->name);
 226     }
 227  }
 228   fflush(stdout);
 229 }