3 /* datadesc - data description in order to send/recv it in GRAS */
5 /* Copyright (c) 2003 Olivier Aumage. */
6 /* Copyright (c) 2003, 2004 Martin Quinson. */
7 /* All rights reserved. */
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. */
12 #include "gras/DataDesc/datadesc_private.h"
14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_ddt,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;
19 /* callback for array size when sending strings */
21 _strlen_cb(/*@unused@*/gras_datadesc_type_t type,/*@unused@*/gras_cbps_t vars, void *data) {
23 return 1+(int)strlen(data);
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.
35 gras_datadesc_init(void) {
36 gras_datadesc_type_t ddt; /* What to add */
38 /* only initialize once */
39 if (gras_datadesc_set_local != NULL)
42 VERB0("Initializing DataDesc");
44 gras_datadesc_set_local = xbt_set_new();
47 /* all known datatypes */
49 ddt = gras_datadesc_scalar("signed char",
51 e_gras_dd_scalar_encoding_sint);
52 ddt = gras_datadesc_scalar("char",
54 e_gras_dd_scalar_encoding_sint);
55 ddt = gras_datadesc_scalar("unsigned char",
57 e_gras_dd_scalar_encoding_uint);
59 ddt = gras_datadesc_scalar("signed short int",
60 gras_ddt_scalar_short,
61 e_gras_dd_scalar_encoding_sint);
62 ddt = gras_datadesc_scalar("short int",
63 gras_ddt_scalar_short,
64 e_gras_dd_scalar_encoding_sint);
65 ddt = gras_datadesc_scalar("short",
66 gras_ddt_scalar_short,
67 e_gras_dd_scalar_encoding_sint);
68 ddt = gras_datadesc_scalar("unsigned short int",
69 gras_ddt_scalar_short,
70 e_gras_dd_scalar_encoding_uint);
72 ddt = gras_datadesc_scalar("signed int",
74 e_gras_dd_scalar_encoding_sint);
75 ddt = gras_datadesc_scalar("int",
77 e_gras_dd_scalar_encoding_sint);
78 ddt = gras_datadesc_scalar("unsigned int",
80 e_gras_dd_scalar_encoding_uint);
82 ddt = gras_datadesc_scalar("signed long int",
84 e_gras_dd_scalar_encoding_sint);
85 ddt = gras_datadesc_scalar("long int",
87 e_gras_dd_scalar_encoding_sint);
88 ddt = gras_datadesc_scalar("long",
90 e_gras_dd_scalar_encoding_sint);
91 ddt = gras_datadesc_scalar("unsigned long int",
93 e_gras_dd_scalar_encoding_uint);
95 ddt = gras_datadesc_scalar("signed long long int",
96 gras_ddt_scalar_long_long,
97 e_gras_dd_scalar_encoding_sint);
98 ddt = gras_datadesc_scalar("long long int",
99 gras_ddt_scalar_long_long,
100 e_gras_dd_scalar_encoding_sint);
101 ddt = gras_datadesc_scalar("unsigned long long int",
102 gras_ddt_scalar_long_long,
103 e_gras_dd_scalar_encoding_uint);
105 ddt = gras_datadesc_scalar("data pointer",
106 gras_ddt_scalar_pdata,
107 e_gras_dd_scalar_encoding_uint);
108 ddt = gras_datadesc_scalar("function pointer",
109 gras_ddt_scalar_pfunc,
110 e_gras_dd_scalar_encoding_uint);
112 ddt = gras_datadesc_scalar("float",
113 gras_ddt_scalar_float,
114 e_gras_dd_scalar_encoding_float);
115 ddt = gras_datadesc_scalar("double",
116 gras_ddt_scalar_double,
117 e_gras_dd_scalar_encoding_float);
119 ddt = gras_datadesc_array_dyn("char[]",
120 gras_datadesc_by_name("char"),
122 ddt = gras_datadesc_ref("string",ddt);
124 /* specific datatype: the exception type (for RPC) */
125 ddt = gras_datadesc_struct("ex_t");
126 gras_datadesc_struct_append(ddt,"msg",gras_datadesc_by_name("string"));
127 gras_datadesc_struct_append(ddt,"category",gras_datadesc_by_name("int"));
128 gras_datadesc_struct_append(ddt,"value",gras_datadesc_by_name("int"));
130 gras_datadesc_struct_append(ddt,"remote",gras_datadesc_by_name("short int"));
132 gras_datadesc_struct_append(ddt,"host",gras_datadesc_by_name("string"));
133 gras_datadesc_struct_append(ddt,"procname",gras_datadesc_by_name("string"));
134 gras_datadesc_struct_append(ddt,"pid",gras_datadesc_by_name("long int"));
135 gras_datadesc_struct_append(ddt,"file",gras_datadesc_by_name("string"));
136 gras_datadesc_struct_append(ddt,"line",gras_datadesc_by_name("int"));
137 gras_datadesc_struct_append(ddt,"func",gras_datadesc_by_name("string"));
138 gras_datadesc_struct_append(ddt,"used",gras_datadesc_by_name("int"));
139 gras_datadesc_cb_field_push(ddt,"used");
140 gras_datadesc_struct_append(ddt,"bt_strings",
141 gras_datadesc_ref_pop_arr(gras_datadesc_by_name("string")));
143 gras_datadesc_struct_close(ddt);
145 /* specific datatype: xbt_peer_t */
146 ddt = gras_datadesc_struct("s_xbt_peer_t");
147 gras_datadesc_struct_append(ddt,"name",gras_datadesc_by_name("string"));
148 gras_datadesc_struct_append(ddt,"port",gras_datadesc_by_name("int"));
149 gras_datadesc_struct_close(ddt);
151 ddt = gras_datadesc_ref("xbt_peer_t",ddt);
153 /* Dict containing the constant value (for the parsing macro) */
154 gras_dd_constants = xbt_dict_new();
159 * gras_datadesc_exit:
161 * Finalize the datadesc module
164 gras_datadesc_exit(void) {
165 VERB0("Exiting DataDesc");
166 xbt_set_free(&gras_datadesc_set_local);
167 xbt_dict_free(&gras_dd_constants);
168 DEBUG0("Exited DataDesc");
171 /** This is mainly to debug */
173 gras_datadesc_get_name(gras_datadesc_type_t ddt) {
174 return ddt?(const char*)ddt->name:"(null)";
176 /** This is mainly to debug */
178 gras_datadesc_get_id(gras_datadesc_type_t ddt) {
183 * gras_datadesc_size:
185 * Returns the size occuped by data of this type (on the current arch).
188 int gras_datadesc_size(gras_datadesc_type_t type) {
189 return type?type->size[GRAS_THISARCH]:0;
193 * gras_datadesc_type_dump:
195 * For debugging purpose
197 void gras_datadesc_type_dump(const gras_datadesc_type_t ddt){
200 printf("DataDesc dump:");
205 printf ("%s (ID:%d)\n",ddt->name,ddt->code);
206 printf (" category: %s\n",gras_datadesc_cat_names[ddt->category_code]);
209 for (cpt=0; cpt<gras_arch_count; cpt++) {
212 cpt == GRAS_THISARCH ? ">":"",
214 cpt == GRAS_THISARCH ? "<":"");
218 printf (" alignment[");
219 for (cpt=0; cpt<gras_arch_count; cpt++) {
222 cpt == GRAS_THISARCH ? ">":"",
224 cpt == GRAS_THISARCH ? "<":"");
228 printf (" aligned_size[");
229 for (cpt=0; cpt<gras_arch_count; cpt++) {
232 cpt == GRAS_THISARCH ? ">":"",
233 ddt->aligned_size[cpt],
234 cpt == GRAS_THISARCH ? "<":"");
237 if (ddt->category_code == e_gras_datadesc_type_cat_struct) {
238 gras_dd_cat_struct_t struct_data;
239 gras_dd_cat_field_t field;
241 struct_data = ddt->category.struct_data;
242 xbt_dynar_foreach(struct_data.fields, cpt, field) {
243 printf(">>> Dump field #%d (%s) (offset=%ld)\n",
244 cpt,field->name,field->offset[GRAS_THISARCH]);
245 gras_datadesc_type_dump(field->type);
246 printf("<<< end dump field #%d (%s)\n",cpt,field->name);