1 /* datadesc - data description in order to send/recv it in XBT */
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 "datadesc_private.h"
12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_ddt, xbt, "Data description");
13 /* FIXME: make this host-dependent using a trick such as UserData*/
14 /*@null@*/ xbt_set_t xbt_datadesc_set_local = NULL;
17 /* callback for array size when sending strings */
18 static int _strlen_cb( /*@unused@ */ xbt_datadesc_type_t type, /*@unused@ */
19 xbt_cbps_t vars, void *data)
22 return 1 + (int) strlen(data);
29 * Initialize the datadesc module.
30 * FIXME: We assume that when neither signed nor unsigned is given,
31 * that means signed. To be checked by configure.
33 void xbt_datadesc_preinit(void)
35 xbt_datadesc_type_t ddt; /* What to add */
37 /* only initialize once */
38 if (xbt_datadesc_set_local != NULL)
41 XBT_VERB("Initializing DataDesc");
43 xbt_datadesc_set_local = xbt_set_new();
46 /* all known datatypes */
48 ddt = xbt_datadesc_scalar("signed char",
50 e_xbt_dd_scalar_encoding_sint);
51 ddt = xbt_datadesc_scalar("char",
53 e_xbt_dd_scalar_encoding_sint);
54 ddt = xbt_datadesc_scalar("unsigned char",
56 e_xbt_dd_scalar_encoding_uint);
58 ddt = xbt_datadesc_scalar("signed short int",
60 e_xbt_dd_scalar_encoding_sint);
61 ddt = xbt_datadesc_scalar("short int",
63 e_xbt_dd_scalar_encoding_sint);
64 ddt = xbt_datadesc_scalar("short",
66 e_xbt_dd_scalar_encoding_sint);
67 ddt = xbt_datadesc_scalar("unsigned short int",
69 e_xbt_dd_scalar_encoding_uint);
71 ddt = xbt_datadesc_scalar("signed int",
73 e_xbt_dd_scalar_encoding_sint);
74 ddt = xbt_datadesc_scalar("int",
76 e_xbt_dd_scalar_encoding_sint);
77 ddt = xbt_datadesc_scalar("unsigned int",
79 e_xbt_dd_scalar_encoding_uint);
81 ddt = xbt_datadesc_scalar("signed long int",
83 e_xbt_dd_scalar_encoding_sint);
84 ddt = xbt_datadesc_scalar("long int",
86 e_xbt_dd_scalar_encoding_sint);
87 ddt = xbt_datadesc_scalar("long",
89 e_xbt_dd_scalar_encoding_sint);
90 ddt = xbt_datadesc_scalar("unsigned long int",
92 e_xbt_dd_scalar_encoding_uint);
94 ddt = xbt_datadesc_scalar("signed long long int",
95 xbt_ddt_scalar_long_long,
96 e_xbt_dd_scalar_encoding_sint);
97 ddt = xbt_datadesc_scalar("long long int",
98 xbt_ddt_scalar_long_long,
99 e_xbt_dd_scalar_encoding_sint);
100 ddt = xbt_datadesc_scalar("unsigned long long int",
101 xbt_ddt_scalar_long_long,
102 e_xbt_dd_scalar_encoding_uint);
104 ddt = xbt_datadesc_scalar("data pointer",
105 xbt_ddt_scalar_pdata,
106 e_xbt_dd_scalar_encoding_uint);
107 ddt = xbt_datadesc_scalar("function pointer",
108 xbt_ddt_scalar_pfunc,
109 e_xbt_dd_scalar_encoding_uint);
111 ddt = xbt_datadesc_scalar("float",
112 xbt_ddt_scalar_float,
113 e_xbt_dd_scalar_encoding_float);
114 ddt = xbt_datadesc_scalar("double",
115 xbt_ddt_scalar_double,
116 e_xbt_dd_scalar_encoding_float);
118 ddt = xbt_datadesc_array_dyn("char[]",
119 xbt_datadesc_by_name("char"), _strlen_cb);
120 xbt_datadesc_ref("string", ddt);
121 xbt_datadesc_ref("xbt_string_t", ddt);
123 /* specific datatype: the exception type (for RPC) */
124 ddt = xbt_datadesc_struct("ex_t");
125 xbt_datadesc_struct_append(ddt, "msg", xbt_datadesc_by_name("string"));
126 xbt_datadesc_struct_append(ddt, "category",
127 xbt_datadesc_by_name("int"));
128 xbt_datadesc_struct_append(ddt, "value", xbt_datadesc_by_name("int"));
130 xbt_datadesc_struct_append(ddt, "remote",
131 xbt_datadesc_by_name("short int"));
133 xbt_datadesc_struct_append(ddt, "host",
134 xbt_datadesc_by_name("string"));
135 xbt_datadesc_struct_append(ddt, "procname",
136 xbt_datadesc_by_name("string"));
137 xbt_datadesc_struct_append(ddt, "pid",
138 xbt_datadesc_by_name("long int"));
139 xbt_datadesc_struct_append(ddt, "file",
140 xbt_datadesc_by_name("string"));
141 xbt_datadesc_struct_append(ddt, "line", xbt_datadesc_by_name("int"));
142 xbt_datadesc_struct_append(ddt, "func",
143 xbt_datadesc_by_name("string"));
144 xbt_datadesc_struct_append(ddt, "used", xbt_datadesc_by_name("int"));
145 xbt_datadesc_cb_field_push(ddt, "used");
146 xbt_datadesc_struct_append(ddt, "bt_strings",
147 xbt_datadesc_ref_pop_arr
148 (xbt_datadesc_by_name("string")));
150 xbt_datadesc_struct_close(ddt);
152 /* specific datatype: xbt_peer_t */
153 ddt = xbt_datadesc_struct("s_xbt_peer_t");
154 xbt_datadesc_struct_append(ddt, "name",
155 xbt_datadesc_by_name("string"));
156 xbt_datadesc_struct_append(ddt, "port", xbt_datadesc_by_name("int"));
157 xbt_datadesc_struct_close(ddt);
159 ddt = xbt_datadesc_ref("xbt_peer_t", ddt);
161 /* Dict containing the constant value (for the parsing macro) */
162 xbt_dd_constants = xbt_dict_new_homogeneous(xbt_free_f);
169 * Finalize the datadesc module
171 void xbt_datadesc_postexit(void)
173 xbt_set_free(&xbt_datadesc_set_local);
174 xbt_dict_free(&xbt_dd_constants);
177 /** This is mainly to debug */
178 const char *xbt_datadesc_get_name(xbt_datadesc_type_t ddt)
180 return ddt ? (const char *) ddt->name : "(null)";
183 /** This is mainly to debug */
184 int xbt_datadesc_get_id(xbt_datadesc_type_t ddt)
192 * Returns the size occuped by data of this type (on the current arch).
195 int xbt_datadesc_size(xbt_datadesc_type_t type)
197 return type ? type->size[GRAS_THISARCH] : 0;
201 * xbt_datadesc_type_dump:
203 * For debugging purpose
205 void xbt_datadesc_type_dump(const xbt_datadesc_type_t ddt)
209 printf("DataDesc dump:");
214 printf("%s (ID:%d)\n", ddt->name, ddt->code);
215 printf(" category: %s\n", xbt_datadesc_cat_names[ddt->category_code]);
218 for (cpt = 0; cpt < xbt_arch_count; cpt++) {
221 cpt == GRAS_THISARCH ? ">" : "",
222 ddt->size[cpt], cpt == GRAS_THISARCH ? "<" : "");
226 printf(" alignment[");
227 for (cpt = 0; cpt < xbt_arch_count; cpt++) {
230 cpt == GRAS_THISARCH ? ">" : "",
231 ddt->alignment[cpt], cpt == GRAS_THISARCH ? "<" : "");
235 printf(" aligned_size[");
236 for (cpt = 0; cpt < xbt_arch_count; cpt++) {
239 cpt == GRAS_THISARCH ? ">" : "",
240 ddt->aligned_size[cpt], cpt == GRAS_THISARCH ? "<" : "");
243 if (ddt->category_code == e_xbt_datadesc_type_cat_struct) {
244 xbt_dd_cat_struct_t struct_data;
245 xbt_dd_cat_field_t field;
247 struct_data = ddt->category.struct_data;
248 xbt_dynar_foreach(struct_data.fields, cpt, field) {
249 printf(">>> Dump field #%u (%s) (offset=%ld)\n",
250 cpt, field->name, field->offset[GRAS_THISARCH]);
251 xbt_datadesc_type_dump(field->type);
252 printf("<<< end dump field #%u (%s)\n", cpt, field->name);