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 */
20 static int _strlen_cb( /*@unused@ */ gras_datadesc_type_t type, /*@unused@ */
21 gras_cbps_t vars, void *data)
24 return 1 + (int) strlen(data);
31 * Initialize the datadesc module.
32 * FIXME: We assume that when neither signed nor unsigned is given,
33 * that means signed. To be checked by configure.
35 void gras_datadesc_init(void)
37 gras_datadesc_type_t ddt; /* What to add */
39 /* only initialize once */
40 if (gras_datadesc_set_local != NULL)
43 VERB0("Initializing DataDesc");
45 gras_datadesc_set_local = xbt_set_new();
48 /* all known datatypes */
50 ddt = gras_datadesc_scalar("signed char",
52 e_gras_dd_scalar_encoding_sint);
53 ddt = gras_datadesc_scalar("char",
55 e_gras_dd_scalar_encoding_sint);
56 ddt = gras_datadesc_scalar("unsigned char",
58 e_gras_dd_scalar_encoding_uint);
60 ddt = gras_datadesc_scalar("signed short int",
61 gras_ddt_scalar_short,
62 e_gras_dd_scalar_encoding_sint);
63 ddt = gras_datadesc_scalar("short int",
64 gras_ddt_scalar_short,
65 e_gras_dd_scalar_encoding_sint);
66 ddt = gras_datadesc_scalar("short",
67 gras_ddt_scalar_short,
68 e_gras_dd_scalar_encoding_sint);
69 ddt = gras_datadesc_scalar("unsigned short int",
70 gras_ddt_scalar_short,
71 e_gras_dd_scalar_encoding_uint);
73 ddt = gras_datadesc_scalar("signed int",
75 e_gras_dd_scalar_encoding_sint);
76 ddt = gras_datadesc_scalar("int",
78 e_gras_dd_scalar_encoding_sint);
79 ddt = gras_datadesc_scalar("unsigned int",
81 e_gras_dd_scalar_encoding_uint);
83 ddt = gras_datadesc_scalar("signed long int",
85 e_gras_dd_scalar_encoding_sint);
86 ddt = gras_datadesc_scalar("long int",
88 e_gras_dd_scalar_encoding_sint);
89 ddt = gras_datadesc_scalar("long",
91 e_gras_dd_scalar_encoding_sint);
92 ddt = gras_datadesc_scalar("unsigned long int",
94 e_gras_dd_scalar_encoding_uint);
96 ddt = gras_datadesc_scalar("signed long long int",
97 gras_ddt_scalar_long_long,
98 e_gras_dd_scalar_encoding_sint);
99 ddt = gras_datadesc_scalar("long long int",
100 gras_ddt_scalar_long_long,
101 e_gras_dd_scalar_encoding_sint);
102 ddt = gras_datadesc_scalar("unsigned long long int",
103 gras_ddt_scalar_long_long,
104 e_gras_dd_scalar_encoding_uint);
106 ddt = gras_datadesc_scalar("data pointer",
107 gras_ddt_scalar_pdata,
108 e_gras_dd_scalar_encoding_uint);
109 ddt = gras_datadesc_scalar("function pointer",
110 gras_ddt_scalar_pfunc,
111 e_gras_dd_scalar_encoding_uint);
113 ddt = gras_datadesc_scalar("float",
114 gras_ddt_scalar_float,
115 e_gras_dd_scalar_encoding_float);
116 ddt = gras_datadesc_scalar("double",
117 gras_ddt_scalar_double,
118 e_gras_dd_scalar_encoding_float);
120 ddt = gras_datadesc_array_dyn("char[]",
121 gras_datadesc_by_name("char"), _strlen_cb);
122 gras_datadesc_ref("string", ddt);
123 gras_datadesc_ref("xbt_string_t", ddt);
125 /* specific datatype: the exception type (for RPC) */
126 ddt = gras_datadesc_struct("ex_t");
127 gras_datadesc_struct_append(ddt, "msg", gras_datadesc_by_name("string"));
128 gras_datadesc_struct_append(ddt, "category", gras_datadesc_by_name("int"));
129 gras_datadesc_struct_append(ddt, "value", gras_datadesc_by_name("int"));
131 gras_datadesc_struct_append(ddt, "remote",
132 gras_datadesc_by_name("short int"));
134 gras_datadesc_struct_append(ddt, "host", gras_datadesc_by_name("string"));
135 gras_datadesc_struct_append(ddt, "procname",
136 gras_datadesc_by_name("string"));
137 gras_datadesc_struct_append(ddt, "pid", gras_datadesc_by_name("long int"));
138 gras_datadesc_struct_append(ddt, "file", gras_datadesc_by_name("string"));
139 gras_datadesc_struct_append(ddt, "line", gras_datadesc_by_name("int"));
140 gras_datadesc_struct_append(ddt, "func", gras_datadesc_by_name("string"));
141 gras_datadesc_struct_append(ddt, "used", gras_datadesc_by_name("int"));
142 gras_datadesc_cb_field_push(ddt, "used");
143 gras_datadesc_struct_append(ddt, "bt_strings",
144 gras_datadesc_ref_pop_arr(gras_datadesc_by_name
147 gras_datadesc_struct_close(ddt);
149 /* specific datatype: xbt_peer_t */
150 ddt = gras_datadesc_struct("s_xbt_peer_t");
151 gras_datadesc_struct_append(ddt, "name", gras_datadesc_by_name("string"));
152 gras_datadesc_struct_append(ddt, "port", gras_datadesc_by_name("int"));
153 gras_datadesc_struct_close(ddt);
155 ddt = gras_datadesc_ref("xbt_peer_t", ddt);
157 /* Dict containing the constant value (for the parsing macro) */
158 gras_dd_constants = xbt_dict_new();
163 * gras_datadesc_exit:
165 * Finalize the datadesc module
167 void gras_datadesc_exit(void)
169 VERB0("Exiting DataDesc");
170 xbt_set_free(&gras_datadesc_set_local);
171 xbt_dict_free(&gras_dd_constants);
172 DEBUG0("Exited DataDesc");
175 /** This is mainly to debug */
176 const char *gras_datadesc_get_name(gras_datadesc_type_t ddt)
178 return ddt ? (const char *) ddt->name : "(null)";
181 /** This is mainly to debug */
182 int gras_datadesc_get_id(gras_datadesc_type_t ddt)
188 * gras_datadesc_size:
190 * Returns the size occuped by data of this type (on the current arch).
193 int gras_datadesc_size(gras_datadesc_type_t type)
195 return type ? type->size[GRAS_THISARCH] : 0;
199 * gras_datadesc_type_dump:
201 * For debugging purpose
203 void gras_datadesc_type_dump(const gras_datadesc_type_t ddt)
207 printf("DataDesc dump:");
212 printf("%s (ID:%d)\n", ddt->name, ddt->code);
213 printf(" category: %s\n", gras_datadesc_cat_names[ddt->category_code]);
216 for (cpt = 0; cpt < gras_arch_count; cpt++) {
219 cpt == GRAS_THISARCH ? ">" : "",
220 ddt->size[cpt], cpt == GRAS_THISARCH ? "<" : "");
224 printf(" alignment[");
225 for (cpt = 0; cpt < gras_arch_count; cpt++) {
228 cpt == GRAS_THISARCH ? ">" : "",
229 ddt->alignment[cpt], cpt == GRAS_THISARCH ? "<" : "");
233 printf(" aligned_size[");
234 for (cpt = 0; cpt < gras_arch_count; cpt++) {
237 cpt == GRAS_THISARCH ? ">" : "",
238 ddt->aligned_size[cpt], cpt == GRAS_THISARCH ? "<" : "");
241 if (ddt->category_code == e_gras_datadesc_type_cat_struct) {
242 gras_dd_cat_struct_t struct_data;
243 gras_dd_cat_field_t field;
245 struct_data = ddt->category.struct_data;
246 xbt_dynar_foreach(struct_data.fields, cpt, field) {
247 printf(">>> Dump field #%d (%s) (offset=%ld)\n",
248 cpt, field->name, field->offset[GRAS_THISARCH]);
249 gras_datadesc_type_dump(field->type);
250 printf("<<< end dump field #%d (%s)\n", cpt, field->name);