-/* gs.c */
+/* datadesc - data description in order to send/recv it in GRAS */
-#include "DataDesc/gs_private.h"
+/* Copyright (c) 2004, 2005, 2006, 2007, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
-GRAS_LOG_NEW_DEFAULT_CATEGORY(NDR);
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
-void
-gs_init(int argc,
- char **argv) {
+#include "gras/DataDesc/datadesc_private.h"
- (void)argc;
- (void)argv;
-
- DEBUG0("Init");
- gs_net_drivers_init();
- gs_type_drivers_init();
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_ddt, gras, "Data description");
+/* FIXME: make this host-dependent using a trick such as UserData*/
+/*@null@*/ xbt_set_t gras_datadesc_set_local = NULL;
+
+
+/* callback for array size when sending strings */
+static int _strlen_cb( /*@unused@ */ gras_datadesc_type_t type, /*@unused@ */
+ gras_cbps_t vars, void *data)
+{
+
+ return 1 + (int) strlen(data);
}
-void
-gs_purge_cmd_line(int *argc,
- char **argv) {
- (void)argc;
- (void)argv;
- /**/
+/**
+ * gras_datadesc_init:
+ *
+ * Initialize the datadesc module.
+ * FIXME: We assume that when neither signed nor unsigned is given,
+ * that means signed. To be checked by configure.
+ **/
+void gras_datadesc_init(void)
+{
+ gras_datadesc_type_t ddt; /* What to add */
+
+ /* only initialize once */
+ if (gras_datadesc_set_local != NULL)
+ return;
+
+ XBT_VERB("Initializing DataDesc");
+
+ gras_datadesc_set_local = xbt_set_new();
+
+
+ /* all known datatypes */
+
+ ddt = gras_datadesc_scalar("signed char",
+ gras_ddt_scalar_char,
+ e_gras_dd_scalar_encoding_sint);
+ ddt = gras_datadesc_scalar("char",
+ gras_ddt_scalar_char,
+ e_gras_dd_scalar_encoding_sint);
+ ddt = gras_datadesc_scalar("unsigned char",
+ gras_ddt_scalar_char,
+ e_gras_dd_scalar_encoding_uint);
+
+ ddt = gras_datadesc_scalar("signed short int",
+ gras_ddt_scalar_short,
+ e_gras_dd_scalar_encoding_sint);
+ ddt = gras_datadesc_scalar("short int",
+ gras_ddt_scalar_short,
+ e_gras_dd_scalar_encoding_sint);
+ ddt = gras_datadesc_scalar("short",
+ gras_ddt_scalar_short,
+ e_gras_dd_scalar_encoding_sint);
+ ddt = gras_datadesc_scalar("unsigned short int",
+ gras_ddt_scalar_short,
+ e_gras_dd_scalar_encoding_uint);
+
+ ddt = gras_datadesc_scalar("signed int",
+ gras_ddt_scalar_int,
+ e_gras_dd_scalar_encoding_sint);
+ ddt = gras_datadesc_scalar("int",
+ gras_ddt_scalar_int,
+ e_gras_dd_scalar_encoding_sint);
+ ddt = gras_datadesc_scalar("unsigned int",
+ gras_ddt_scalar_int,
+ e_gras_dd_scalar_encoding_uint);
+
+ ddt = gras_datadesc_scalar("signed long int",
+ gras_ddt_scalar_long,
+ e_gras_dd_scalar_encoding_sint);
+ ddt = gras_datadesc_scalar("long int",
+ gras_ddt_scalar_long,
+ e_gras_dd_scalar_encoding_sint);
+ ddt = gras_datadesc_scalar("long",
+ gras_ddt_scalar_long,
+ e_gras_dd_scalar_encoding_sint);
+ ddt = gras_datadesc_scalar("unsigned long int",
+ gras_ddt_scalar_long,
+ e_gras_dd_scalar_encoding_uint);
+
+ ddt = gras_datadesc_scalar("signed long long int",
+ gras_ddt_scalar_long_long,
+ e_gras_dd_scalar_encoding_sint);
+ ddt = gras_datadesc_scalar("long long int",
+ gras_ddt_scalar_long_long,
+ e_gras_dd_scalar_encoding_sint);
+ ddt = gras_datadesc_scalar("unsigned long long int",
+ gras_ddt_scalar_long_long,
+ e_gras_dd_scalar_encoding_uint);
+
+ ddt = gras_datadesc_scalar("data pointer",
+ gras_ddt_scalar_pdata,
+ e_gras_dd_scalar_encoding_uint);
+ ddt = gras_datadesc_scalar("function pointer",
+ gras_ddt_scalar_pfunc,
+ e_gras_dd_scalar_encoding_uint);
+
+ ddt = gras_datadesc_scalar("float",
+ gras_ddt_scalar_float,
+ e_gras_dd_scalar_encoding_float);
+ ddt = gras_datadesc_scalar("double",
+ gras_ddt_scalar_double,
+ e_gras_dd_scalar_encoding_float);
+
+ ddt = gras_datadesc_array_dyn("char[]",
+ gras_datadesc_by_name("char"), _strlen_cb);
+ gras_datadesc_ref("string", ddt);
+ gras_datadesc_ref("xbt_string_t", ddt);
+
+ /* specific datatype: the exception type (for RPC) */
+ ddt = gras_datadesc_struct("ex_t");
+ gras_datadesc_struct_append(ddt, "msg", gras_datadesc_by_name("string"));
+ gras_datadesc_struct_append(ddt, "category",
+ gras_datadesc_by_name("int"));
+ gras_datadesc_struct_append(ddt, "value", gras_datadesc_by_name("int"));
+
+ gras_datadesc_struct_append(ddt, "remote",
+ gras_datadesc_by_name("short int"));
+
+ gras_datadesc_struct_append(ddt, "host",
+ gras_datadesc_by_name("string"));
+ gras_datadesc_struct_append(ddt, "procname",
+ gras_datadesc_by_name("string"));
+ gras_datadesc_struct_append(ddt, "pid",
+ gras_datadesc_by_name("long int"));
+ gras_datadesc_struct_append(ddt, "file",
+ gras_datadesc_by_name("string"));
+ gras_datadesc_struct_append(ddt, "line", gras_datadesc_by_name("int"));
+ gras_datadesc_struct_append(ddt, "func",
+ gras_datadesc_by_name("string"));
+ gras_datadesc_struct_append(ddt, "used", gras_datadesc_by_name("int"));
+ gras_datadesc_cb_field_push(ddt, "used");
+ gras_datadesc_struct_append(ddt, "bt_strings",
+ gras_datadesc_ref_pop_arr
+ (gras_datadesc_by_name("string")));
+
+ gras_datadesc_struct_close(ddt);
+
+ /* specific datatype: xbt_peer_t */
+ ddt = gras_datadesc_struct("s_xbt_peer_t");
+ gras_datadesc_struct_append(ddt, "name",
+ gras_datadesc_by_name("string"));
+ gras_datadesc_struct_append(ddt, "port", gras_datadesc_by_name("int"));
+ gras_datadesc_struct_close(ddt);
+
+ ddt = gras_datadesc_ref("xbt_peer_t", ddt);
+
+ /* Dict containing the constant value (for the parsing macro) */
+ gras_dd_constants = xbt_dict_new();
+
+}
+
+/**
+ * gras_datadesc_exit:
+ *
+ * Finalize the datadesc module
+ **/
+void gras_datadesc_exit(void)
+{
+ XBT_VERB("Exiting DataDesc");
+ xbt_set_free(&gras_datadesc_set_local);
+ xbt_dict_free(&gras_dd_constants);
+ XBT_DEBUG("Exited DataDesc");
+}
+
+/** This is mainly to debug */
+const char *gras_datadesc_get_name(gras_datadesc_type_t ddt)
+{
+ return ddt ? (const char *) ddt->name : "(null)";
}
-void
-gs_exit() {
- /**/
+/** This is mainly to debug */
+int gras_datadesc_get_id(gras_datadesc_type_t ddt)
+{
+ return ddt->code;
+}
+
+/**
+ * gras_datadesc_size:
+ *
+ * Returns the size occuped by data of this type (on the current arch).
+ *
+ */
+int gras_datadesc_size(gras_datadesc_type_t type)
+{
+ return type ? type->size[GRAS_THISARCH] : 0;
+}
+
+/**
+ * gras_datadesc_type_dump:
+ *
+ * For debugging purpose
+ */
+void gras_datadesc_type_dump(const gras_datadesc_type_t ddt)
+{
+ unsigned int cpt;
+
+ printf("DataDesc dump:");
+ if (!ddt) {
+ printf("(null)\n");
+ return;
+ }
+ printf("%s (ID:%d)\n", ddt->name, ddt->code);
+ printf(" category: %s\n", gras_datadesc_cat_names[ddt->category_code]);
+
+ printf(" size[");
+ for (cpt = 0; cpt < gras_arch_count; cpt++) {
+ printf("%s%s%ld%s",
+ cpt > 0 ? ", " : "",
+ cpt == GRAS_THISARCH ? ">" : "",
+ ddt->size[cpt], cpt == GRAS_THISARCH ? "<" : "");
+ }
+ printf("]\n");
+
+ printf(" alignment[");
+ for (cpt = 0; cpt < gras_arch_count; cpt++) {
+ printf("%s%s%ld%s",
+ cpt > 0 ? ", " : "",
+ cpt == GRAS_THISARCH ? ">" : "",
+ ddt->alignment[cpt], cpt == GRAS_THISARCH ? "<" : "");
+ }
+ printf("]\n");
+
+ printf(" aligned_size[");
+ for (cpt = 0; cpt < gras_arch_count; cpt++) {
+ printf("%s%s%ld%s",
+ cpt > 0 ? ", " : "",
+ cpt == GRAS_THISARCH ? ">" : "",
+ ddt->aligned_size[cpt], cpt == GRAS_THISARCH ? "<" : "");
+ }
+ printf("]\n");
+ if (ddt->category_code == e_gras_datadesc_type_cat_struct) {
+ gras_dd_cat_struct_t struct_data;
+ gras_dd_cat_field_t field;
+
+ struct_data = ddt->category.struct_data;
+ xbt_dynar_foreach(struct_data.fields, cpt, field) {
+ printf(">>> Dump field #%d (%s) (offset=%ld)\n",
+ cpt, field->name, field->offset[GRAS_THISARCH]);
+ gras_datadesc_type_dump(field->type);
+ printf("<<< end dump field #%d (%s)\n", cpt, field->name);
+ }
+ }
+ fflush(stdout);
}