3 /* ddt_exchange - send/recv data described */
5 /* Copyright (c) 2004 Olivier Aumage, Martin Quinson. All rights reserved. */
7 /* This program is free software; you can redistribute it and/or modify it
8 * under the terms of the license (GNU LGPL) which comes with this package. */
10 #include "gras/DataDesc/datadesc_private.h"
11 #include "gras/Transport/transport_interface.h" /* gras_trp_chunk_send/recv */
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ddt_exchange,datadesc,
14 "Sending data over the network");
15 const char *gras_datadesc_cat_names[9] = {
17 "scalar", "struct", "union", "ref", "array", "ignored",
20 static gras_datadesc_type_t int_type = NULL;
21 static gras_datadesc_type_t pointer_type = NULL;
22 static _XBT_INLINE xbt_error_t gras_dd_send_int(gras_socket_t sock, int i);
23 static _XBT_INLINE xbt_error_t gras_dd_recv_int(gras_socket_t sock, int r_arch, int *i);
25 static _XBT_INLINE xbt_error_t
26 gras_dd_alloc_ref(xbt_dict_t refs, long int size,
27 char **r_ref, long int r_len,
28 char **l_ref, int detect_cycle);
30 static _XBT_INLINE int
31 gras_dd_is_r_null(char **r_ptr, long int length);
34 gras_datadesc_send_rec(gras_socket_t sock,
37 gras_datadesc_type_t type,
41 gras_datadesc_recv_rec(gras_socket_t sock,
44 gras_datadesc_type_t type,
53 static _XBT_INLINE xbt_error_t
54 gras_dd_send_int(gras_socket_t sock,int i) {
57 int_type = gras_datadesc_by_name("int");
61 DEBUG1("send_int(%d)",i);
62 return gras_trp_chunk_send(sock, (char*)&i, int_type->size[GRAS_THISARCH]);
65 static _XBT_INLINE xbt_error_t
66 gras_dd_recv_int(gras_socket_t sock, int r_arch, int *i) {
70 int_type = gras_datadesc_by_name("int");
74 if (int_type->size[GRAS_THISARCH] >= int_type->size[r_arch]) {
75 TRY(gras_trp_chunk_recv(sock, (char*)i, int_type->size[r_arch]));
76 if (r_arch != GRAS_THISARCH)
77 TRY(gras_dd_convert_elm(int_type,1,r_arch, i,i));
79 void *ptr = xbt_malloc(int_type->size[r_arch]);
81 TRY(gras_trp_chunk_recv(sock, (char*)ptr, int_type->size[r_arch]));
82 if (r_arch != GRAS_THISARCH)
83 TRY(gras_dd_convert_elm(int_type,1,r_arch, ptr,i));
86 DEBUG1("recv_int(%d)",*i);
92 * Note: here we suppose that the remote NULL is a sequence
93 * of 'length' bytes set to 0.
94 * FIXME: Check in configure?
96 static _XBT_INLINE int
97 gras_dd_is_r_null(char **r_ptr, long int length) {
100 for (i=0; i<length; i++) {
101 if ( ((unsigned char*)r_ptr) [i]) {
109 static _XBT_INLINE xbt_error_t
110 gras_dd_alloc_ref(xbt_dict_t refs,
113 long int r_len, /* pointer_type->size[r_arch] */
118 xbt_assert1(size>0,"Cannot allocate %ld bytes!", size);
119 l_data = xbt_malloc((size_t)size);
122 DEBUG2("l_data=%p, &l_data=%p",(void*)l_data,(void*)&l_data);
124 DEBUG3("alloc_ref: r_ref=%p; *r_ref=%p, r_len=%ld",
125 (void*)r_ref, (void*)(r_ref?*r_ref:NULL), r_len);
126 if (detect_cycle && r_ref && !gras_dd_is_r_null( r_ref, r_len)) {
127 void *ptr = xbt_malloc(sizeof(void *));
129 CRITICAL0("detect_cycle");
130 memcpy(ptr,l_ref, sizeof(void *));
132 DEBUG2("Insert %p under %p",*(void**)ptr, *(void**)r_ref);
135 xbt_dict_set_ext(refs,(const char *) r_ref, r_len, ptr, xbt_free_fct);
141 * gras_datadesc_type_cmp:
143 * Compares two datadesc types with the same semantic than strcmp.
145 * This comparison does not take the set headers into account (name and ID),
146 * but only the payload (actual type description).
148 int gras_datadesc_type_cmp(const gras_datadesc_type_t d1,
149 const gras_datadesc_type_t d2) {
151 gras_dd_cat_field_t field1,field2;
152 gras_datadesc_type_t field_desc_1,field_desc_2;
154 if (d1 == d2) return 0; /* easy optimization */
157 DEBUG0("ddt_cmp: !d1 && d2 => 1");
161 DEBUG0("ddt_cmp: !d1 && !d2 => 0");
165 DEBUG0("ddt_cmp: d1 && !d2 => -1");
169 for (cpt=0; cpt<gras_arch_count; cpt++) {
170 if (d1->size[cpt] != d2->size[cpt]) {
171 DEBUG5("ddt_cmp: %s->size=%ld != %s->size=%ld (on %s)",
172 d1->name,d1->size[cpt],d2->name,d2->size[cpt],
173 gras_arches[cpt].name);
174 return d1->size[cpt] > d2->size[cpt] ? 1 : -1;
177 if (d1->alignment[cpt] != d2->alignment[cpt]) {
178 DEBUG5("ddt_cmp: %s->alignment=%ld != %s->alignment=%ld (on %s)",
179 d1->name,d1->alignment[cpt],d2->name,d2->alignment[cpt],
180 gras_arches[cpt].name);
181 return d1->alignment[cpt] > d2->alignment[cpt] ? 1 : -1;
184 if (d1->aligned_size[cpt] != d2->aligned_size[cpt]) {
185 DEBUG5("ddt_cmp: %s->aligned_size=%ld != %s->aligned_size=%ld (on %s)",
186 d1->name,d1->aligned_size[cpt],d2->name,d2->aligned_size[cpt],
187 gras_arches[cpt].name);
188 return d1->aligned_size[cpt] > d2->aligned_size[cpt] ? 1 : -1;
192 if (d1->category_code != d2->category_code) {
193 DEBUG4("ddt_cmp: %s->cat=%s != %s->cat=%s",
194 d1->name,gras_datadesc_cat_names[d1->category_code],
195 d2->name,gras_datadesc_cat_names[d2->category_code]);
196 return d1->category_code > d2->category_code ? 1 : -1;
199 if (d1->send != d2->send) {
200 DEBUG4("ddt_cmp: %s->send=%p != %s->send=%p",
201 d1->name,(void*)d1->send, d2->name,(void*)d2->send);
202 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
205 if (d1->recv != d2->recv) {
206 DEBUG4("ddt_cmp: %s->recv=%p != %s->recv=%p",
207 d1->name,(void*)d1->recv, d2->name,(void*)d2->recv);
208 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
211 switch (d1->category_code) {
212 case e_gras_datadesc_type_cat_scalar:
213 if (d1->category.scalar_data.encoding != d2->category.scalar_data.encoding)
214 return d1->category.scalar_data.encoding > d2->category.scalar_data.encoding ? 1 : -1 ;
217 case e_gras_datadesc_type_cat_struct:
218 if (xbt_dynar_length(d1->category.struct_data.fields) !=
219 xbt_dynar_length(d2->category.struct_data.fields)) {
220 DEBUG4("ddt_cmp: %s (having %lu fields) != %s (having %lu fields)",
221 d1->name, xbt_dynar_length(d1->category.struct_data.fields),
222 d2->name, xbt_dynar_length(d2->category.struct_data.fields));
224 return xbt_dynar_length(d1->category.struct_data.fields) >
225 xbt_dynar_length(d2->category.struct_data.fields) ?
228 xbt_dynar_foreach(d1->category.struct_data.fields, cpt, field1) {
230 field2 = xbt_dynar_get_as(d2->category.struct_data.fields, cpt, gras_dd_cat_field_t);
231 field_desc_1 = field1->type;
232 field_desc_2 = field2->type;
233 ret = gras_datadesc_type_cmp(field_desc_1,field_desc_2);
235 DEBUG6("%s->field[%d]=%s != %s->field[%d]=%s",
236 d1->name,cpt,field1->name,
237 d2->name,cpt,field2->name);
244 case e_gras_datadesc_type_cat_union:
245 if (d1->category.union_data.selector != d2->category.union_data.selector)
246 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
248 if (xbt_dynar_length(d1->category.union_data.fields) !=
249 xbt_dynar_length(d2->category.union_data.fields))
250 return xbt_dynar_length(d1->category.union_data.fields) >
251 xbt_dynar_length(d2->category.union_data.fields) ?
254 xbt_dynar_foreach(d1->category.union_data.fields, cpt, field1) {
256 field2 = xbt_dynar_get_as(d2->category.union_data.fields, cpt, gras_dd_cat_field_t);
257 field_desc_1 = field1->type;
258 field_desc_2 = field2->type;
259 ret = gras_datadesc_type_cmp(field_desc_1,field_desc_2);
267 case e_gras_datadesc_type_cat_ref:
268 if (d1->category.ref_data.selector != d2->category.ref_data.selector)
269 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
271 if (d1->category.ref_data.type != d2->category.ref_data.type)
272 return d1->category.ref_data.type > d2->category.ref_data.type ? 1 : -1;
275 case e_gras_datadesc_type_cat_array:
276 if (d1->category.array_data.type != d2->category.array_data.type)
277 return d1->category.array_data.type > d2->category.array_data.type ? 1 : -1;
279 if (d1->category.array_data.fixed_size != d2->category.array_data.fixed_size)
280 return d1->category.array_data.fixed_size > d2->category.array_data.fixed_size ? 1 : -1;
282 if (d1->category.array_data.dynamic_size != d2->category.array_data.dynamic_size)
283 return 1; /* ISO C forbids ordered comparisons of pointers to functions */
287 case e_gras_datadesc_type_cat_ignored:
288 /* That's ignored... */
290 /* two stupidly created ddt are equally stupid ;) */
300 * Copy the data pointed by src and described by type
301 * to a new location, and store a pointer to it in dst.
304 xbt_error_t gras_datadesc_cpy(gras_datadesc_type_t type,
311 gras_datadesc_send_rec(gras_socket_t sock,
314 gras_datadesc_type_t type,
320 gras_datadesc_type_t sub_type; /* type on which we recurse */
322 VERB2("Send a %s (%s)",
323 type->name, gras_datadesc_cat_names[type->category_code]);
326 type->send(state,data);
329 switch (type->category_code) {
330 case e_gras_datadesc_type_cat_scalar:
331 TRY(gras_trp_chunk_send(sock, data, type->size[GRAS_THISARCH]));
334 case e_gras_datadesc_type_cat_struct: {
335 gras_dd_cat_struct_t struct_data;
336 gras_dd_cat_field_t field;
339 struct_data = type->category.struct_data;
340 xbt_assert1(struct_data.closed,
341 "Please call gras_datadesc_declare_struct_close on %s before sending it",
343 VERB1(">> Send all fields of the structure %s",type->name);
344 xbt_dynar_foreach(struct_data.fields, cpt, field) {
346 field_data += field->offset[GRAS_THISARCH];
348 sub_type = field->type;
351 field->pre(state,field_data);
353 VERB1("Send field %s",field->name);
354 TRY(gras_datadesc_send_rec(sock,state,refs,sub_type, field_data, detect_cycle || sub_type->cycle));
357 field->post(state,field_data);
359 VERB1("<< Sent all fields of the structure %s", type->name);
364 case e_gras_datadesc_type_cat_union: {
365 gras_dd_cat_union_t union_data;
366 gras_dd_cat_field_t field=NULL;
369 union_data = type->category.union_data;
371 xbt_assert1(union_data.closed,
372 "Please call gras_datadesc_declare_union_close on %s before sending it",
374 /* retrieve the field number */
375 field_num = union_data.selector(state, data);
377 xbt_assert1(field_num > 0,
378 "union field selector of %s gave a negative value",
381 xbt_assert3(field_num < xbt_dynar_length(union_data.fields),
382 "union field selector of %s returned %d but there is only %lu fields",
383 type->name, field_num, xbt_dynar_length(union_data.fields));
385 /* Send the field number */
386 TRY(gras_dd_send_int(sock, field_num));
388 /* Send the content */
389 field = xbt_dynar_get_as(union_data.fields, field_num, gras_dd_cat_field_t);
390 sub_type = field->type;
393 field->pre(state,data);
395 TRY(gras_datadesc_send_rec(sock,state,refs, sub_type, data, detect_cycle || sub_type->cycle));
398 field->post(state,data);
403 case e_gras_datadesc_type_cat_ref: {
404 gras_dd_cat_ref_t ref_data;
406 void **ref=(void**)data;
409 ref_data = type->category.ref_data;
411 /* Detect the referenced type and send it to peer if needed */
412 sub_type = ref_data.type;
413 if (sub_type == NULL) {
414 sub_type = (*ref_data.selector)(state,data);
415 TRY(gras_dd_send_int(sock, sub_type->code));
418 /* Send the actual value of the pointer for cycle handling */
420 pointer_type = gras_datadesc_by_name("data pointer");
421 xbt_assert(pointer_type);
424 TRY(gras_trp_chunk_send(sock, (char*)data,
425 pointer_type->size[GRAS_THISARCH]));
427 /* Send the pointed data only if not already sent */
428 if (*(void**)data == NULL) {
429 VERB0("Not sending NULL referenced data");
432 errcode = detect_cycle
433 ? xbt_dict_get_ext(refs,(char*)ref, sizeof(void*), &dummy)
435 if (errcode == mismatch_error) {
436 VERB1("Sending data referenced at %p", (void*)*ref);
438 xbt_dict_set_ext(refs, (char*)ref, sizeof(void*), ref, NULL);
439 TRY(gras_datadesc_send_rec(sock,state,refs, sub_type, *ref, detect_cycle || sub_type->cycle));
441 } else if (errcode == no_error) {
442 VERB1("Not sending data referenced at %p (already done)", (void*)*ref);
450 case e_gras_datadesc_type_cat_array: {
451 gras_dd_cat_array_t array_data;
456 array_data = type->category.array_data;
458 /* determine and send the element count */
459 count = array_data.fixed_size;
461 count = array_data.dynamic_size(state,data);
462 xbt_assert1(count >=0,
463 "Invalid (negative) array size for type %s",type->name);
464 TRY(gras_dd_send_int(sock, count));
467 /* send the content */
468 sub_type = array_data.type;
469 elm_size = sub_type->aligned_size[GRAS_THISARCH];
470 if (sub_type->category_code == e_gras_datadesc_type_cat_scalar) {
471 VERB1("Array of %ld scalars, send it in one shot",count);
472 TRY(gras_trp_chunk_send(sock, data,
473 sub_type->aligned_size[GRAS_THISARCH] * count));
474 } else if (sub_type->category_code == e_gras_datadesc_type_cat_array &&
475 sub_type->category.array_data.fixed_size > 0 &&
476 sub_type->category.array_data.type->category_code == e_gras_datadesc_type_cat_scalar) {
478 VERB1("Array of %ld fixed array of scalars, send it in one shot",count);
479 TRY(gras_trp_chunk_send(sock, data,
480 sub_type->category.array_data.type->aligned_size[GRAS_THISARCH]
481 * count * sub_type->category.array_data.fixed_size));
484 for (cpt=0; cpt<count; cpt++) {
485 TRY(gras_datadesc_send_rec(sock,state,refs, sub_type, ptr, detect_cycle || sub_type->cycle));
493 xbt_assert0(0, "Invalid type");
500 * gras_datadesc_send:
502 * Copy the data pointed by src and described by type to the socket
505 xbt_error_t gras_datadesc_send(gras_socket_t sock,
506 gras_datadesc_type_t type,
511 xbt_dict_t refs; /* all references already sent */
513 refs = xbt_dict_new();
514 state = gras_cbps_new();
516 errcode = gras_datadesc_send_rec(sock,state,refs,type,(char*)src, type->cycle);
518 xbt_dict_free(&refs);
519 gras_cbps_free(&state);
525 * gras_datadesc_recv_rec:
527 * Do the data reception job recursively.
529 * subsize used only to deal with vicious case of reference to dynamic array.
530 * This size is needed at the reference reception level (to allocate enough
531 * space) and at the array reception level (to fill enough room).
533 * Having this size passed as an argument of the recursive function is a crude
534 * hack, but I was told that working code is sometimes better than neat one ;)
537 gras_datadesc_recv_rec(gras_socket_t sock,
540 gras_datadesc_type_t type,
550 gras_datadesc_type_t sub_type;
552 VERB2("Recv a %s @%p", type->name, (void*)l_data);
555 switch (type->category_code) {
556 case e_gras_datadesc_type_cat_scalar:
557 if (type->size[GRAS_THISARCH] == type->size[r_arch]) {
558 TRY(gras_trp_chunk_recv(sock, (char*)l_data, type->size[r_arch]));
559 if (r_arch != GRAS_THISARCH)
560 TRY(gras_dd_convert_elm(type,1,r_arch, l_data,l_data));
562 void *ptr = xbt_malloc(type->size[r_arch]);
564 TRY(gras_trp_chunk_recv(sock, (char*)ptr, type->size[r_arch]));
565 if (r_arch != GRAS_THISARCH)
566 TRY(gras_dd_convert_elm(type,1,r_arch, ptr,l_data));
571 case e_gras_datadesc_type_cat_struct: {
572 gras_dd_cat_struct_t struct_data;
573 gras_dd_cat_field_t field;
575 struct_data = type->category.struct_data;
577 xbt_assert1(struct_data.closed,
578 "Please call gras_datadesc_declare_struct_close on %s before receiving it",
580 VERB1(">> Receive all fields of the structure %s",type->name);
581 xbt_dynar_foreach(struct_data.fields, cpt, field) {
582 char *field_data = l_data + field->offset[GRAS_THISARCH];
584 sub_type = field->type;
586 TRY(gras_datadesc_recv_rec(sock,state,refs, sub_type,
589 detect_cycle || sub_type->cycle));
591 VERB1("<< Received all fields of the structure %s", type->name);
596 case e_gras_datadesc_type_cat_union: {
597 gras_dd_cat_union_t union_data;
598 gras_dd_cat_field_t field=NULL;
601 union_data = type->category.union_data;
603 xbt_assert1(union_data.closed,
604 "Please call gras_datadesc_declare_union_close on %s before receiving it",
606 /* retrieve the field number */
607 TRY(gras_dd_recv_int(sock, r_arch, &field_num));
609 RAISE1(mismatch_error,
610 "Received union field for %s is negative", type->name);
611 if (field_num < xbt_dynar_length(union_data.fields))
612 RAISE3(mismatch_error,
613 "Received union field for %s is %d but there is only %lu fields",
614 type->name, field_num, xbt_dynar_length(union_data.fields));
616 /* Recv the content */
617 field = xbt_dynar_get_as(union_data.fields, field_num, gras_dd_cat_field_t);
618 sub_type = field->type;
620 TRY(gras_datadesc_recv_rec(sock,state,refs, sub_type,
623 detect_cycle || sub_type->cycle));
627 case e_gras_datadesc_type_cat_ref: {
630 gras_dd_cat_ref_t ref_data;
632 ref_data = type->category.ref_data;
634 /* Get the referenced type locally or from peer */
635 sub_type = ref_data.type;
636 if (sub_type == NULL) {
638 TRY(gras_dd_recv_int(sock, r_arch, &ref_code));
639 TRY(gras_datadesc_by_id(ref_code, &sub_type));
642 /* Get the actual value of the pointer for cycle handling */
644 pointer_type = gras_datadesc_by_name("data pointer");
645 xbt_assert(pointer_type);
648 r_ref = xbt_malloc(pointer_type->size[r_arch]);
650 TRY(gras_trp_chunk_recv(sock, (char*)r_ref,
651 pointer_type->size[r_arch]));
653 /* Receive the pointed data only if not already sent */
654 if (gras_dd_is_r_null(r_ref, pointer_type->size[r_arch])) {
655 VERB1("Not receiving data remotely referenced @%p since it's NULL",
657 *(void**)l_data = NULL;
662 errcode = detect_cycle
663 ? xbt_dict_get_ext(refs,
664 (char*)r_ref, pointer_type->size[r_arch],
668 if (errcode == mismatch_error) {
670 void *l_referenced=NULL;
672 VERB2("Receiving a ref to '%s', remotely @%p",
673 sub_type->name, *(void**)r_ref);
674 if (sub_type->category_code == e_gras_datadesc_type_cat_array) {
675 /* Damn. Reference to a dynamic array. Allocating the size for it
676 is more complicated */
677 gras_dd_cat_array_t array_data = sub_type->category.array_data;
678 gras_datadesc_type_t subsub_type;
680 subsubcount = array_data.fixed_size;
681 if (subsubcount == 0)
682 TRY(gras_dd_recv_int(sock, r_arch, &subsubcount));
684 subsub_type = array_data.type;
687 TRY(gras_dd_alloc_ref(refs,
688 subsub_type->size[GRAS_THISARCH] * subsubcount,
689 r_ref,pointer_type->size[r_arch],
690 (char**)&l_referenced,
693 TRY(gras_dd_alloc_ref(refs,sub_type->size[GRAS_THISARCH],
694 r_ref,pointer_type->size[r_arch],
695 (char**)&l_referenced,
699 TRY(gras_datadesc_recv_rec(sock,state,refs, sub_type,
700 r_arch,r_ref,pointer_type->size[r_arch],
701 (char*)l_referenced, subsubcount,
702 detect_cycle || sub_type->cycle));
703 *(void**)l_data=l_referenced;
704 VERB3("'%s' remotely referenced at %p locally at %p",
705 sub_type->name, *(void**)r_ref, l_referenced);
707 } else if (errcode == no_error) {
708 VERB2("NOT receiving data remotely referenced @%p (already done, @%p here)",
709 *(void**)r_ref, *(void**)l_ref);
711 *(void**)l_data=*l_ref;
720 case e_gras_datadesc_type_cat_array: {
721 gras_dd_cat_array_t array_data;
726 array_data = type->category.array_data;
727 /* determine element count locally, or from caller, or from peer */
728 count = array_data.fixed_size;
732 TRY(gras_dd_recv_int(sock, r_arch, &count));
734 RAISE1(mismatch_error,
735 "Invalid (=0) array size for type %s",type->name);
737 /* receive the content */
738 sub_type = array_data.type;
739 if (sub_type->category_code == e_gras_datadesc_type_cat_scalar) {
740 VERB1("Array of %d scalars, get it in one shoot", count);
741 if (sub_type->aligned_size[GRAS_THISARCH] >=
742 sub_type->aligned_size[r_arch]) {
743 TRY(gras_trp_chunk_recv(sock, (char*)l_data,
744 sub_type->aligned_size[r_arch] * count));
745 if (r_arch != GRAS_THISARCH)
746 TRY(gras_dd_convert_elm(sub_type,count,r_arch, l_data,l_data));
748 ptr = xbt_malloc(sub_type->aligned_size[r_arch] * count);
750 TRY(gras_trp_chunk_recv(sock, (char*)ptr,
751 sub_type->size[r_arch] * count));
752 if (r_arch != GRAS_THISARCH)
753 TRY(gras_dd_convert_elm(sub_type,count,r_arch, ptr,l_data));
756 } else if (sub_type->category_code == e_gras_datadesc_type_cat_array &&
757 sub_type->category.array_data.fixed_size > 0 &&
758 sub_type->category.array_data.type->category_code == e_gras_datadesc_type_cat_scalar) {
759 gras_datadesc_type_t subsub_type;
760 array_data = sub_type->category.array_data;
761 subsub_type = array_data.type;
763 VERB1("Array of %d fixed array of scalars, get it in one shot",count);
764 if (subsub_type->aligned_size[GRAS_THISARCH] >=
765 subsub_type->aligned_size[r_arch]) {
766 TRY(gras_trp_chunk_recv(sock, (char*)l_data,
767 subsub_type->aligned_size[r_arch] * count *
768 array_data.fixed_size));
769 if (r_arch != GRAS_THISARCH)
770 TRY(gras_dd_convert_elm(subsub_type,count*array_data.fixed_size,r_arch, l_data,l_data));
772 ptr = xbt_malloc(subsub_type->aligned_size[r_arch] * count*array_data.fixed_size);
774 TRY(gras_trp_chunk_recv(sock, (char*)ptr,
775 subsub_type->size[r_arch] * count*array_data.fixed_size));
776 if (r_arch != GRAS_THISARCH)
777 TRY(gras_dd_convert_elm(subsub_type,count*array_data.fixed_size,r_arch, ptr,l_data));
783 /* not scalar content, get it recursively (may contain pointers) */
784 elm_size = sub_type->aligned_size[GRAS_THISARCH];
785 VERB2("Receive a %d-long array of %s",count, sub_type->name);
788 for (cpt=0; cpt<count; cpt++) {
789 TRY(gras_datadesc_recv_rec(sock,state,refs, sub_type,
790 r_arch, NULL, 0, ptr,-1,
791 detect_cycle || sub_type->cycle));
799 xbt_assert0(0, "Invalid type");
803 type->recv(state,l_data);
809 * gras_datadesc_recv:
811 * Get an instance of the datatype described by @type from the @socket,
812 * and store a pointer to it in @dst
816 gras_datadesc_recv(gras_socket_t sock,
817 gras_datadesc_type_t type,
822 gras_cbps_t state; /* callback persistent state */
823 xbt_dict_t refs; /* all references already sent */
825 refs = xbt_dict_new();
826 state = gras_cbps_new();
828 errcode = gras_datadesc_recv_rec(sock, state, refs, type,
833 xbt_dict_free(&refs);
834 gras_cbps_free(&state);