1 /* datadesc - data description in order to send/recv it in GRAS */
3 /* Copyright (c) 2004, 2005, 2006, 2007, 2009, 2010. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "gras/DataDesc/datadesc_private.h"
11 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_ddt, gras, "Data description");
12 /* FIXME: make this host-dependent using a trick such as UserData*/
13 /*@null@*/ xbt_set_t gras_datadesc_set_local = NULL;
16 /* callback for array size when sending strings */
17 static int _strlen_cb( /*@unused@ */ gras_datadesc_type_t type, /*@unused@ */
18 gras_cbps_t vars, void *data)
21 return 1 + (int) strlen(data);
28 * Initialize the datadesc module.
29 * FIXME: We assume that when neither signed nor unsigned is given,
30 * that means signed. To be checked by configure.
32 void gras_datadesc_init(void)
34 gras_datadesc_type_t ddt; /* What to add */
36 /* only initialize once */
37 if (gras_datadesc_set_local != NULL)
40 VERB0("Initializing DataDesc");
42 gras_datadesc_set_local = xbt_set_new();
45 /* all known datatypes */
47 ddt = gras_datadesc_scalar("signed char",
49 e_gras_dd_scalar_encoding_sint);
50 ddt = gras_datadesc_scalar("char",
52 e_gras_dd_scalar_encoding_sint);
53 ddt = gras_datadesc_scalar("unsigned char",
55 e_gras_dd_scalar_encoding_uint);
57 ddt = gras_datadesc_scalar("signed short int",
58 gras_ddt_scalar_short,
59 e_gras_dd_scalar_encoding_sint);
60 ddt = gras_datadesc_scalar("short int",
61 gras_ddt_scalar_short,
62 e_gras_dd_scalar_encoding_sint);
63 ddt = gras_datadesc_scalar("short",
64 gras_ddt_scalar_short,
65 e_gras_dd_scalar_encoding_sint);
66 ddt = gras_datadesc_scalar("unsigned short int",
67 gras_ddt_scalar_short,
68 e_gras_dd_scalar_encoding_uint);
70 ddt = gras_datadesc_scalar("signed int",
72 e_gras_dd_scalar_encoding_sint);
73 ddt = gras_datadesc_scalar("int",
75 e_gras_dd_scalar_encoding_sint);
76 ddt = gras_datadesc_scalar("unsigned int",
78 e_gras_dd_scalar_encoding_uint);
80 ddt = gras_datadesc_scalar("signed long int",
82 e_gras_dd_scalar_encoding_sint);
83 ddt = gras_datadesc_scalar("long int",
85 e_gras_dd_scalar_encoding_sint);
86 ddt = gras_datadesc_scalar("long",
88 e_gras_dd_scalar_encoding_sint);
89 ddt = gras_datadesc_scalar("unsigned long int",
91 e_gras_dd_scalar_encoding_uint);
93 ddt = gras_datadesc_scalar("signed long long int",
94 gras_ddt_scalar_long_long,
95 e_gras_dd_scalar_encoding_sint);
96 ddt = gras_datadesc_scalar("long long int",
97 gras_ddt_scalar_long_long,
98 e_gras_dd_scalar_encoding_sint);
99 ddt = gras_datadesc_scalar("unsigned long long int",
100 gras_ddt_scalar_long_long,
101 e_gras_dd_scalar_encoding_uint);
103 ddt = gras_datadesc_scalar("data pointer",
104 gras_ddt_scalar_pdata,
105 e_gras_dd_scalar_encoding_uint);
106 ddt = gras_datadesc_scalar("function pointer",
107 gras_ddt_scalar_pfunc,
108 e_gras_dd_scalar_encoding_uint);
110 ddt = gras_datadesc_scalar("float",
111 gras_ddt_scalar_float,
112 e_gras_dd_scalar_encoding_float);
113 ddt = gras_datadesc_scalar("double",
114 gras_ddt_scalar_double,
115 e_gras_dd_scalar_encoding_float);
117 ddt = gras_datadesc_array_dyn("char[]",
118 gras_datadesc_by_name("char"), _strlen_cb);
119 gras_datadesc_ref("string", ddt);
120 gras_datadesc_ref("xbt_string_t", ddt);
122 /* specific datatype: the exception type (for RPC) */
123 ddt = gras_datadesc_struct("ex_t");
124 gras_datadesc_struct_append(ddt, "msg", gras_datadesc_by_name("string"));
125 gras_datadesc_struct_append(ddt, "category",
126 gras_datadesc_by_name("int"));
127 gras_datadesc_struct_append(ddt, "value", gras_datadesc_by_name("int"));
129 gras_datadesc_struct_append(ddt, "remote",
130 gras_datadesc_by_name("short int"));
132 gras_datadesc_struct_append(ddt, "host",
133 gras_datadesc_by_name("string"));
134 gras_datadesc_struct_append(ddt, "procname",
135 gras_datadesc_by_name("string"));
136 gras_datadesc_struct_append(ddt, "pid",
137 gras_datadesc_by_name("long int"));
138 gras_datadesc_struct_append(ddt, "file",
139 gras_datadesc_by_name("string"));
140 gras_datadesc_struct_append(ddt, "line", gras_datadesc_by_name("int"));
141 gras_datadesc_struct_append(ddt, "func",
142 gras_datadesc_by_name("string"));
143 gras_datadesc_struct_append(ddt, "used", gras_datadesc_by_name("int"));
144 gras_datadesc_cb_field_push(ddt, "used");
145 gras_datadesc_struct_append(ddt, "bt_strings",
146 gras_datadesc_ref_pop_arr
147 (gras_datadesc_by_name("string")));
149 gras_datadesc_struct_close(ddt);
151 /* specific datatype: xbt_peer_t */
152 ddt = gras_datadesc_struct("s_xbt_peer_t");
153 gras_datadesc_struct_append(ddt, "name",
154 gras_datadesc_by_name("string"));
155 gras_datadesc_struct_append(ddt, "port", gras_datadesc_by_name("int"));
156 gras_datadesc_struct_close(ddt);
158 ddt = gras_datadesc_ref("xbt_peer_t", ddt);
160 /* Dict containing the constant value (for the parsing macro) */
161 gras_dd_constants = xbt_dict_new();
166 * gras_datadesc_exit:
168 * Finalize the datadesc module
170 void gras_datadesc_exit(void)
172 VERB0("Exiting DataDesc");
173 xbt_set_free(&gras_datadesc_set_local);
174 xbt_dict_free(&gras_dd_constants);
175 DEBUG0("Exited DataDesc");
178 /** This is mainly to debug */
179 const char *gras_datadesc_get_name(gras_datadesc_type_t ddt)
181 return ddt ? (const char *) ddt->name : "(null)";
184 /** This is mainly to debug */
185 int gras_datadesc_get_id(gras_datadesc_type_t ddt)
191 * gras_datadesc_size:
193 * Returns the size occuped by data of this type (on the current arch).
196 int gras_datadesc_size(gras_datadesc_type_t type)
198 return type ? type->size[GRAS_THISARCH] : 0;
202 * gras_datadesc_type_dump:
204 * For debugging purpose
206 void gras_datadesc_type_dump(const gras_datadesc_type_t ddt)
210 printf("DataDesc dump:");
215 printf("%s (ID:%d)\n", ddt->name, ddt->code);
216 printf(" category: %s\n", gras_datadesc_cat_names[ddt->category_code]);
219 for (cpt = 0; cpt < gras_arch_count; cpt++) {
222 cpt == GRAS_THISARCH ? ">" : "",
223 ddt->size[cpt], cpt == GRAS_THISARCH ? "<" : "");
227 printf(" alignment[");
228 for (cpt = 0; cpt < gras_arch_count; cpt++) {
231 cpt == GRAS_THISARCH ? ">" : "",
232 ddt->alignment[cpt], cpt == GRAS_THISARCH ? "<" : "");
236 printf(" aligned_size[");
237 for (cpt = 0; cpt < gras_arch_count; cpt++) {
240 cpt == GRAS_THISARCH ? ">" : "",
241 ddt->aligned_size[cpt], cpt == GRAS_THISARCH ? "<" : "");
244 if (ddt->category_code == e_gras_datadesc_type_cat_struct) {
245 gras_dd_cat_struct_t struct_data;
246 gras_dd_cat_field_t field;
248 struct_data = ddt->category.struct_data;
249 xbt_dynar_foreach(struct_data.fields, cpt, field) {
250 printf(">>> Dump field #%d (%s) (offset=%ld)\n",
251 cpt, field->name, field->offset[GRAS_THISARCH]);
252 gras_datadesc_type_dump(field->type);
253 printf("<<< end dump field #%d (%s)\n", cpt, field->name);