}
}
+static int
+gras_datadesc_copy_rec(gras_cbps_t state,
+ xbt_dict_t refs,
+ gras_datadesc_type_t type,
+ char *src,
+ char *dst,
+ int subsize,
+ int detect_cycle) {
+
+
+ xbt_ex_t e;
+ int cpt;
+ gras_datadesc_type_t sub_type; /* type on which we recurse */
+ int count = 0;
+
+ VERB4("Copy a %s (%s) from %p to %p",
+ type->name, gras_datadesc_cat_names[type->category_code],
+ src,dst);
+
+ if (type->send) {
+ type->send(type,state,src);
+ }
+
+ switch (type->category_code) {
+ case e_gras_datadesc_type_cat_scalar:
+ memcpy(dst,src,type->size[GRAS_THISARCH]);
+ count += type->size[GRAS_THISARCH];
+ break;
+
+ case e_gras_datadesc_type_cat_struct: {
+ gras_dd_cat_struct_t struct_data;
+ gras_dd_cat_field_t field;
+ char *field_src;
+ char *field_dst;
+
+ struct_data = type->category.struct_data;
+ xbt_assert1(struct_data.closed,
+ "Please call gras_datadesc_declare_struct_close on %s before copying it",
+ type->name);
+ VERB1(">> Copy all fields of the structure %s",type->name);
+ xbt_dynar_foreach(struct_data.fields, cpt, field) {
+ field_src = src + field->offset[GRAS_THISARCH];
+ field_dst = dst + field->offset[GRAS_THISARCH];
+
+ sub_type = field->type;
+
+ if (field->send)
+ field->send(type,state,field_src);
+
+ VERB1("Copy field %s",field->name);
+ count += gras_datadesc_copy_rec(state,refs,sub_type, field_src, field_dst, 0,
+ detect_cycle || sub_type->cycle);
+
+ }
+ VERB1("<< Copied all fields of the structure %s", type->name);
+
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_union: {
+ gras_dd_cat_union_t union_data;
+ gras_dd_cat_field_t field=NULL;
+ int field_num;
+
+ union_data = type->category.union_data;
+
+ xbt_assert1(union_data.closed,
+ "Please call gras_datadesc_declare_union_close on %s before copying it",
+ type->name);
+ /* retrieve the field number */
+ field_num = union_data.selector(type, state, src);
+
+ xbt_assert1(field_num > 0,
+ "union field selector of %s gave a negative value",
+ type->name);
+
+ xbt_assert3(field_num < xbt_dynar_length(union_data.fields),
+ "union field selector of %s returned %d but there is only %lu fields",
+ type->name, field_num, xbt_dynar_length(union_data.fields));
+
+ /* Copy the content */
+ field = xbt_dynar_get_as(union_data.fields, field_num, gras_dd_cat_field_t);
+ sub_type = field->type;
+
+ if (field->send)
+ field->send(type,state,src);
+
+ count += gras_datadesc_copy_rec(state,refs, sub_type, src, dst,0,
+ detect_cycle || sub_type->cycle);
+
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_ref: {
+ gras_dd_cat_ref_t ref_data;
+ char **o_ref=NULL;
+ char **n_ref=NULL;
+ int reference_is_to_cpy;
+
+ ref_data = type->category.ref_data;
+
+ /* Detect the referenced type */
+ sub_type = ref_data.type;
+ if (sub_type == NULL) {
+ sub_type = (*ref_data.selector)(type,state,src);
+ }
+
+ /* Send the pointed data only if not already sent */
+ if (*(void**)src == NULL) {
+ VERB0("Not copying NULL referenced data");
+ *(void**)dst = NULL;
+ break;
+ }
+ o_ref=(char**)src;
+
+ reference_is_to_cpy = 0;
+ TRY {
+ if (detect_cycle)
+ /* return ignored. Just checking whether it's known or not */
+ n_ref=xbt_dict_get_ext(refs,(char*)o_ref, sizeof(char*));
+ else
+ reference_is_to_cpy = 1;
+ } CATCH(e) {
+ if (e.category != not_found_error)
+ RETHROW;
+ reference_is_to_cpy = 1;
+ xbt_ex_free(e);
+ }
+
+ if (reference_is_to_cpy) {
+ int subsubcount = 0;
+ void *l_referenced=NULL;
+ VERB2("Copy a ref to '%s' referenced at %p",sub_type->name, (void*)*o_ref);
+
+ if (!pointer_type) {
+ pointer_type = gras_datadesc_by_name("data pointer");
+ xbt_assert(pointer_type);
+ }
+
+ if (sub_type->category_code == e_gras_datadesc_type_cat_array) {
+ /* Damn. Reference to a dynamic array. Allocating the space for it
+ is more complicated */
+ gras_dd_cat_array_t array_data = sub_type->category.array_data;
+ gras_datadesc_type_t subsub_type;
+
+ subsub_type = array_data.type;
+ subsubcount = array_data.fixed_size;
+ if (subsubcount == 0)
+ subsubcount = array_data.dynamic_size(subsub_type,state,*o_ref);
+
+ gras_dd_alloc_ref(refs,
+ subsub_type->size[GRAS_THISARCH] * subsubcount,
+ o_ref,pointer_type->size[GRAS_THISARCH],
+ (char**)&l_referenced,
+ detect_cycle);
+ } else {
+ gras_dd_alloc_ref(refs,sub_type->size[GRAS_THISARCH],
+ o_ref,pointer_type->size[GRAS_THISARCH],
+ (char**)&l_referenced,
+ detect_cycle);
+ }
+
+ count += gras_datadesc_copy_rec(state,refs, sub_type,
+ *o_ref,(char*)l_referenced, subsubcount,
+ detect_cycle || sub_type->cycle);
+
+ *(void**)dst=l_referenced;
+ VERB3("'%s' previously referenced at %p now at %p",
+ sub_type->name, *(void**)o_ref, l_referenced);
+
+ } else {
+ VERB2("NOT copying data previously referenced @%p (already done, @%p now)",
+ *(void**)o_ref, *(void**)n_ref);
+
+ *(void**)dst=*n_ref;
+
+ }
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_array: {
+ gras_dd_cat_array_t array_data;
+ long int count;
+ char *src_ptr=src;
+ char *dst_ptr=dst;
+ long int elm_size;
+
+ array_data = type->category.array_data;
+
+ /* determine and send the element count */
+ count = array_data.fixed_size;
+ if (count == 0)
+ count = subsize;
+ if (count == 0) {
+ count = array_data.dynamic_size(type,state,src);
+ xbt_assert1(count >=0,
+ "Invalid (negative) array size for type %s",type->name);
+ }
+
+ /* send the content */
+ sub_type = array_data.type;
+ elm_size = sub_type->aligned_size[GRAS_THISARCH];
+ if (sub_type->category_code == e_gras_datadesc_type_cat_scalar) {
+ VERB1("Array of %ld scalars, copy it in one shot",count);
+ memcpy(dst, src, sub_type->aligned_size[GRAS_THISARCH] * count);
+ count += sub_type->aligned_size[GRAS_THISARCH] * count;
+ } else if (sub_type->category_code == e_gras_datadesc_type_cat_array &&
+ sub_type->category.array_data.fixed_size > 0 &&
+ sub_type->category.array_data.type->category_code == e_gras_datadesc_type_cat_scalar) {
+
+ VERB1("Array of %ld fixed array of scalars, copy it in one shot",count);
+ memcpy(dst,src,sub_type->category.array_data.type->aligned_size[GRAS_THISARCH]
+ * count * sub_type->category.array_data.fixed_size);
+ count += sub_type->category.array_data.type->aligned_size[GRAS_THISARCH]
+ * count * sub_type->category.array_data.fixed_size;
+
+ } else {
+ for (cpt=0; cpt<count; cpt++) {
+ count += gras_datadesc_copy_rec(state,refs, sub_type, src_ptr, dst_ptr, 0,
+ detect_cycle || sub_type->cycle);
+ src_ptr += elm_size;
+ dst_ptr += elm_size;
+ }
+ }
+ break;
+ }
+
+ default:
+ xbt_assert0(0, "Invalid type");
+ }
+ return count;
+}
/**
- * gras_datadesc_cpy:
+ * gras_datadesc_copy:
*
* Copy the data pointed by src and described by type
* to a new location, and store a pointer to it in dst.
*
*/
-void gras_datadesc_cpy(gras_datadesc_type_t type,
- void *src,
- void **dst) {
- THROW_UNIMPLEMENTED;
+int gras_datadesc_copy(gras_datadesc_type_t type,
+ void *src, void *dst) {
+ xbt_ex_t e;
+ gras_cbps_t state;
+ xbt_dict_t refs; /* all references already sent */
+ int size;
+
+ xbt_assert0(type,"called with NULL type descriptor");
+
+ refs = xbt_dict_new();
+ state = gras_cbps_new();
+
+ TRY {
+ size = gras_datadesc_copy_rec(state,refs,type,(char*)src,(char*)dst,0,
+ type->cycle);
+ } CLEANUP {
+ xbt_dict_free(&refs);
+ gras_cbps_free(&state);
+ } CATCH(e) {
+ RETHROW;
+ }
+ return size;
}
/***
static void
gras_datadesc_send_rec(gras_socket_t sock,
gras_cbps_t state,
- xbt_dict_t refs,
+ xbt_dict_t refs,
gras_datadesc_type_t type,
char *data,
int detect_cycle) {
if (field_num < 0)
THROW1(mismatch_error,0,
"Received union field for %s is negative", type->name);
- if (field_num < xbt_dynar_length(union_data.fields))
+ if (field_num > xbt_dynar_length(union_data.fields))
THROW3(mismatch_error,0,
"Received union field for %s is said to be #%d but there is only %lu fields",
type->name, field_num, xbt_dynar_length(union_data.fields));
