/* ddt_exchange - send/recv data described */
-/* Authors: Olivier Aumage, Martin Quinson */
-/* Copyright (C) 2003, 2004 the GRAS posse. */
+/* Copyright (c) 2003-2009 The SimGrid Team. All rights reserved. */
/* 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. */
-
-#include "DataDesc/datadesc_private.h"
-
-GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(exchange,DataDesc);
-
-static const char *gras_datadesc_cat_names[9] = {
- "undefined",
- "scalar", "struct", "union", "ref", "array", "ignored",
- "invalid"};
-
-static gras_datadesc_type_t *int_type = NULL;
-static gras_datadesc_type_t *pointer_type = NULL;
-static gras_error_t gras_dd_send_int(gras_socket_t *sock, int i);
-static gras_error_t gras_dd_recv_int(gras_socket_t *sock, int r_arch, int *i);
-
-static gras_error_t
-gras_dd_alloc_ref(gras_dict_t *refs, long int size,
- char **r_ref, long int r_len,
- char **l_ref);
-static int
-gras_dd_is_r_null(char **r_ptr, long int length);
-
-static gras_error_t
-gras_datadesc_send_rec(gras_socket_t *sock,
- gras_dd_cbps_t *state,
- gras_dict_t *refs,
- gras_datadesc_type_t *type,
- char *data);
-static gras_error_t
-gras_datadesc_recv_rec(gras_socket_t *sock,
- gras_dd_cbps_t *state,
- gras_dict_t *refs,
- gras_datadesc_type_t *type,
- int r_arch,
- char **r_data,
- long int r_lgr,
- char **dst);
-
-
-static gras_error_t
-gras_dd_send_int(gras_socket_t *sock,int i) {
- gras_error_t errcode;
-
- if (!int_type)
- TRY(gras_datadesc_by_name("int", &int_type));
-
- DEBUG1("send_int(%d)",i);
- return gras_trp_chunk_send(sock, (char*)&i, int_type->size[GRAS_THISARCH]);
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "xbt/ex.h"
+#include "gras/DataDesc/datadesc_private.h"
+#include "gras/Transport/transport_interface.h" /* gras_trp_send/recv */
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_ddt_exchange,gras_ddt,
+ "Sending data over the network");
+const char *gras_datadesc_cat_names[9] = {
+ "undefined",
+ "scalar", "struct", "union", "ref", "array", "ignored",
+ "invalid"};
+
+static gras_datadesc_type_t int_type = NULL;
+static gras_datadesc_type_t pointer_type = NULL;
+
+static XBT_INLINE void
+gras_dd_send_int(gras_socket_t sock, int *i, int stable) {
+
+ if (!int_type) {
+ int_type = gras_datadesc_by_name("int");
+ xbt_assert(int_type);
+ }
+
+ DEBUG1("send_int(%u)",*i);
+ gras_trp_send(sock, (char*)i, int_type->size[GRAS_THISARCH], stable);
}
-static gras_error_t
-gras_dd_recv_int(gras_socket_t *sock, int r_arch, int *i) {
- gras_error_t errcode;
-
- if (!int_type)
- TRY(gras_datadesc_by_name("int", &int_type));
-
- if (int_type->size[GRAS_THISARCH] >= int_type->size[r_arch]) {
- TRY(gras_trp_chunk_recv(sock, (char*)i, int_type->size[r_arch]));
- TRY(gras_dd_convert_elm(int_type,r_arch, i,i));
- } else {
- void *ptr = NULL;
- ptr = malloc((size_t)int_type->size[r_arch]);
- TRY(gras_trp_chunk_recv(sock, (char*)ptr, int_type->size[r_arch]));
- TRY(gras_dd_convert_elm(int_type,r_arch, ptr,i));
- free(ptr);
- }
- DEBUG1("recv_int(%d)",*i);
-
- return no_error;
+static XBT_INLINE void
+gras_dd_recv_int(gras_socket_t sock, int r_arch, int *i) {
+
+ if (!int_type) {
+ int_type = gras_datadesc_by_name("int");
+ xbt_assert(int_type);
+ }
+
+ if (int_type->size[GRAS_THISARCH] >= int_type->size[r_arch]) {
+ gras_trp_recv(sock, (char*)i, int_type->size[r_arch]);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(int_type,1,r_arch, i,i);
+ } else {
+ void *ptr = xbt_malloc(int_type->size[r_arch]);
+
+ gras_trp_recv(sock, (char*)ptr, int_type->size[r_arch]);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(int_type,1,r_arch, ptr,i);
+ free(ptr);
+ }
+ DEBUG1("recv_int(%u)",*i);
}
/*
- * Note: here we suppose that the remote NULL is a sequence
+ * Note: here we suppose that the remote NULL is a sequence
* of 'length' bytes set to 0.
* FIXME: Check in configure?
*/
-static int
+static XBT_INLINE int
gras_dd_is_r_null(char **r_ptr, long int length) {
- int i;
+ int i;
- for (i=0; i<length; i++) {
- if ( ((unsigned char*)r_ptr) [i]) {
- return 0;
- }
- }
+ for (i=0; i<length; i++) {
+ if ( ((unsigned char*)r_ptr) [i]) {
+ return 0;
+ }
+ }
- return 1;
+ return 1;
}
-static gras_error_t
-gras_dd_alloc_ref(gras_dict_t *refs,
- long int size,
- char **r_ref,
- long int r_len, /* pointer_type->size[r_arch] */
- char **l_ref) {
- char *l_data = NULL;
- gras_error_t errcode;
-
- gras_assert1(size>0,"Cannot allocate %d bytes!", size);
- if (! (l_data = malloc((size_t)size)) )
- RAISE_MALLOC;
-
- *l_ref = l_data;
- DEBUG2("l_data=%p, &l_data=%p",l_data,&l_data);
-
- DEBUG3("alloc_ref: r_ref=%p; *r_ref=%p, r_len=%d",
- r_ref, r_ref?*r_ref:NULL, r_len);
- if (r_ref && !gras_dd_is_r_null( r_ref, r_len)) {
- void *ptr = malloc(sizeof(void *));
- if (!ptr)
- RAISE_MALLOC;
- // memcpy(ptr,&l_data, sizeof(void *));
- memcpy(ptr,l_ref, sizeof(void *));
-
- DEBUG2("Insert %p under %p",*(void**)ptr, *(void**)r_ref);
- /* FIXME: Leaking on the ptr. Do I really need to copy it? */
- TRY(gras_dict_set_ext(refs,(const char *) r_ref, r_len, ptr, NULL));
- }
- return no_error;
-}
+static XBT_INLINE void
+gras_dd_alloc_ref(xbt_dict_t refs,
+ long int size,
+ char **r_ref,
+ long int r_len, /* pointer_type->size[r_arch] */
+ char **l_ref,
+ int detect_cycle) {
+ char *l_data = NULL;
-/**
- * gras_datadesc_type_cmp:
- *
- * Compares two datadesc types with the same semantic than strcmp.
- *
- * This comparison does not take the set headers into account (name and ID),
- * but only the payload (actual type description).
- */
-int gras_datadesc_type_cmp(const gras_datadesc_type_t *d1,
- const gras_datadesc_type_t *d2) {
- int ret,cpt;
- gras_dd_cat_field_t *field1,*field2;
- gras_datadesc_type_t *field_desc_1,*field_desc_2;
-
-
- if (!d1 && d2) return 1;
- if (!d1 && !d2) return 0;
- if ( d1 && !d2) return -1;
-
- if (d1->size != d2->size )
- return d1->size > d2->size ? 1 : -1;
- if (d1->alignment != d2->alignment)
- return d1->alignment > d2->alignment ? 1 : -1;
- if (d1->aligned_size != d2->aligned_size)
- return d1->aligned_size > d2->aligned_size ? 1 : -1;
-
- if (d1->category_code != d2->category_code)
- return d1->category_code > d2->category_code ? 1 : -1;
-
- if (d1->pre != d2->pre)
- return d1->pre > d2->pre ? 1 : -1;
- if (d1->post != d2->post)
- return d1->post > d2->post ? 1 : -1;
-
- switch (d1->category_code) {
- case e_gras_datadesc_type_cat_scalar:
- if (d1->category.scalar_data.encoding != d2->category.scalar_data.encoding)
- return d1->category.scalar_data.encoding > d2->category.scalar_data.encoding ? 1 : -1 ;
- break;
-
- case e_gras_datadesc_type_cat_struct:
- if (gras_dynar_length(d1->category.struct_data.fields) !=
- gras_dynar_length(d2->category.struct_data.fields))
- return gras_dynar_length(d1->category.struct_data.fields) >
- gras_dynar_length(d2->category.struct_data.fields) ?
- 1 : -1;
-
- gras_dynar_foreach(d1->category.struct_data.fields, cpt, field1) {
-
- gras_dynar_get(d2->category.struct_data.fields, cpt, field2);
- gras_datadesc_by_id(field1->code,&field_desc_1); /* FIXME: errcode ignored */
- gras_datadesc_by_id(field2->code,&field_desc_2);
- ret = gras_datadesc_type_cmp(field_desc_1,field_desc_2);
- if (ret)
- return ret;
-
- }
- break;
-
- case e_gras_datadesc_type_cat_union:
- if (d1->category.union_data.selector != d2->category.union_data.selector)
- return d1->category.union_data.selector > d2->category.union_data.selector ? 1 : -1;
-
- if (gras_dynar_length(d1->category.union_data.fields) !=
- gras_dynar_length(d2->category.union_data.fields))
- return gras_dynar_length(d1->category.union_data.fields) >
- gras_dynar_length(d2->category.union_data.fields) ?
- 1 : -1;
-
- gras_dynar_foreach(d1->category.union_data.fields, cpt, field1) {
-
- gras_dynar_get(d2->category.union_data.fields, cpt, field2);
- gras_datadesc_by_id(field1->code,&field_desc_1); /* FIXME: errcode ignored */
- gras_datadesc_by_id(field2->code,&field_desc_2);
- ret = gras_datadesc_type_cmp(field_desc_1,field_desc_2);
- if (ret)
- return ret;
-
- }
- break;
-
-
- case e_gras_datadesc_type_cat_ref:
- if (d1->category.ref_data.selector != d2->category.ref_data.selector)
- return d1->category.ref_data.selector > d2->category.ref_data.selector ? 1 : -1;
-
- if (d1->category.ref_data.code != d2->category.ref_data.code)
- return d1->category.ref_data.code > d2->category.ref_data.code ? 1 : -1;
- break;
-
- case e_gras_datadesc_type_cat_array:
- if (d1->category.array_data.code != d2->category.array_data.code)
- return d1->category.array_data.code > d2->category.array_data.code ? 1 : -1;
-
- if (d1->category.array_data.fixed_size != d2->category.array_data.fixed_size)
- return d1->category.array_data.fixed_size > d2->category.array_data.fixed_size ? 1 : -1;
-
- if (d1->category.array_data.dynamic_size != d2->category.array_data.dynamic_size)
- return d1->category.array_data.dynamic_size > d2->category.array_data.dynamic_size ? 1 : -1;
-
- break;
-
- case e_gras_datadesc_type_cat_ignored:
- /* That's ignored... */
- default:
- /* two stupidly created ddt are equally stupid ;) */
- break;
- }
- return 0;
-
+ xbt_assert1(size>0,"Cannot allocate %ld bytes!", size);
+ l_data = xbt_malloc((size_t)size);
+
+ *l_ref = l_data;
+ DEBUG5("alloc_ref: l_data=%p, &l_data=%p; r_ref=%p; *r_ref=%p, r_len=%ld",
+ (void*)l_data,(void*)&l_data,
+ (void*)r_ref, (void*)(r_ref?*r_ref:NULL), r_len);
+ if (detect_cycle && r_ref && !gras_dd_is_r_null( r_ref, r_len)) {
+ void *ptr = xbt_malloc(sizeof(void *));
+
+ memcpy(ptr,l_ref, sizeof(void *));
+
+ DEBUG2("Insert l_ref=%p under r_ref=%p",*(void**)ptr, *(void**)r_ref);
+
+ if (detect_cycle)
+ xbt_dict_set_ext(refs,(const char *) r_ref, r_len, ptr, xbt_free_f);
+ }
}
+static int
+gras_datadesc_memcpy_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;
+ unsigned int cpt;
+ gras_datadesc_type_t sub_type; /* type on which we recurse */
+ int count = 0;
+
+ VERB5("Copy a %s (%s) from %p to %p (local sizeof=%ld)",
+ type->name, gras_datadesc_cat_names[type->category_code],
+ src,dst,type->size[GRAS_THISARCH]);
+
+ 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);
+
+ DEBUG1("Copy field %s",field->name);
+ count += gras_datadesc_memcpy_rec(state,refs,sub_type, field_src, field_dst, 0,
+ detect_cycle || sub_type->cycle);
+
+ if (XBT_LOG_ISENABLED(gras_ddt_exchange,xbt_log_priority_verbose)) {
+ if (sub_type == gras_datadesc_by_name("unsigned int")) {
+ VERB2("Copied value for field '%s': %d (type: unsigned int)",field->name, *(unsigned int*)field_dst);
+ } else if (sub_type == gras_datadesc_by_name("int")) {
+ VERB2("Copied value for field '%s': %d (type: int)",field->name, *(int*)field_dst);
+
+ } else if (sub_type == gras_datadesc_by_name("unsigned long int")) {
+ VERB2("Copied value for field '%s': %ld (type: unsigned long int)",field->name, *(unsigned long int*)field_dst);
+ } else if (sub_type == gras_datadesc_by_name("long int")) {
+ VERB2("Copied value for field '%s': %ld (type: long int)",field->name, *(long int*)field_dst);
+
+ } else if (sub_type == gras_datadesc_by_name("string")) {
+ VERB2("Copied value for field '%s': '%s' (type: string)", field->name, *(char**)field_dst);
+ } else {
+ VERB1("Copied a value for field '%s' (type not scalar?)", field->name);
+ }
+ }
+
+ }
+ 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;
+ unsigned 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_memcpy_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 = -1;
+ 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 == -1)
+ subsubcount = array_data.dynamic_size(subsub_type,state,*o_ref);
+
+ if (subsubcount != 0)
+ 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_memcpy_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;
+ unsigned long int array_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 */
+ array_count = array_data.fixed_size;
+ if (array_count == -1)
+ array_count = subsize;
+ if (array_count == -1) {
+ array_count = array_data.dynamic_size(type,state,src);
+ xbt_assert1(array_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",array_count);
+ memcpy(dst, src, sub_type->aligned_size[GRAS_THISARCH] * array_count);
+ count += sub_type->aligned_size[GRAS_THISARCH] * array_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",
+ array_count);
+ memcpy(dst,src,sub_type->category.array_data.type->aligned_size[GRAS_THISARCH]
+ * array_count * sub_type->category.array_data.fixed_size);
+ count += sub_type->category.array_data.type->aligned_size[GRAS_THISARCH]
+ * array_count * sub_type->category.array_data.fixed_size;
+
+ } else {
+ VERB1("Array of %ld stuff, copy it in one after the other",array_count);
+ for (cpt=0; cpt<array_count; cpt++) {
+ VERB2("Copy the %dth stuff out of %ld",cpt,array_count);
+ count += gras_datadesc_memcpy_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_die("Invalid type");
+ }
+
+ return count;
+}
/**
- * gras_datadesc_cpy:
+ * gras_datadesc_memcpy:
*
- * Copy the data pointed by src and described by type
+ * Copy the data pointed by src and described by type
* to a new location, and store a pointer to it in dst.
*
*/
-gras_error_t gras_datadesc_cpy(gras_datadesc_type_t *type,
- void *src,
- void **dst) {
- RAISE_UNIMPLEMENTED;
+int gras_datadesc_memcpy(gras_datadesc_type_t type,
+ void *src, void *dst) {
+ xbt_ex_t e;
+ static gras_cbps_t state=NULL;
+ static xbt_dict_t refs=NULL; /* all references already sent */
+ int size=0;
+
+ xbt_assert0(type,"called with NULL type descriptor");
+
+ DEBUG3("Memcopy a %s from %p to %p",gras_datadesc_get_name(type),src,dst);
+ if (!state) {
+ state = gras_cbps_new();
+ refs = xbt_dict_new();
+ }
+
+ TRY {
+ size = gras_datadesc_memcpy_rec(state,refs,type,(char*)src,(char*)dst,0,
+ type->cycle);
+ } CLEANUP {
+ xbt_dict_reset(refs);
+ gras_cbps_reset(state);
+ } CATCH(e) {
+ RETHROW;
+ }
+ return size;
}
-static gras_error_t
-gras_datadesc_send_rec(gras_socket_t *sock,
- gras_dd_cbps_t *state,
- gras_dict_t *refs,
- gras_datadesc_type_t *type,
- char *data) {
-
- gras_error_t errcode;
- int cpt;
- gras_datadesc_type_t *sub_type; /* type on which we recurse */
-
- VERB2("Send a %s (%s)",
- type->name, gras_datadesc_cat_names[type->category_code]);
-
- if (type->pre) {
- type->pre(state,type,data);
- }
-
- switch (type->category_code) {
- case e_gras_datadesc_type_cat_scalar:
- TRY(gras_trp_chunk_send(sock, data, 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_data;
-
- struct_data = type->category.struct_data;
- VERB1(">> Send all fields of the structure %s",type->name);
- gras_dynar_foreach(struct_data.fields, cpt, field) {
- field_data = data;
- field_data += field->offset[GRAS_THISARCH];
-
- TRY(gras_datadesc_by_id(field->code, &sub_type));
-
- if (field->pre)
- field->pre(state,sub_type,field_data);
-
- TRY(gras_datadesc_send_rec(sock,state,refs,sub_type, field_data));
-
- if (field->post)
- field->post(state,sub_type,field_data);
- }
- VERB1("<< Sent 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;
- int field_num;
-
- union_data = type->category.union_data;
-
- /* retrieve the field number */
- field_num = union_data.selector(state, type, data);
-
- gras_assert1(field_num > 0,
- "union field selector of %s gave a negative value",
- type->name);
-
- gras_assert3(field_num < gras_dynar_length(union_data.fields),
- "union field selector of %s returned %d but there is only %d fields",
- type->name, field_num, gras_dynar_length(union_data.fields));
-
- /* Send the field number */
- TRY(gras_dd_send_int(sock, field_num));
-
- /* Send the content */
- gras_dynar_get(union_data.fields, field_num, field);
- TRY(gras_datadesc_by_id(field->code, &sub_type));
-
- if (field->pre)
- field->pre(state,sub_type,data);
-
- TRY(gras_datadesc_send_rec(sock,state,refs, sub_type, data));
-
- if (field->post)
- field->post(state,sub_type,data);
-
- break;
- }
-
- case e_gras_datadesc_type_cat_ref: {
- gras_dd_cat_ref_t ref_data;
- int ref_code;
-
- void **ref=(void**)data;
- void *dummy;
-
- ref_data = type->category.ref_data;
-
- /* Detect the referenced type and send it to peer if needed */
- ref_code = ref_data.code;
- if (ref_code < 0) {
- ref_code = ref_data.selector(state,type,data);
- TRY(gras_dd_send_int(sock, ref_code));
- }
-
- /* Send the actual value of the pointer for cycle handling */
- if (!pointer_type)
- TRY(gras_datadesc_by_name("data pointer", &pointer_type));
- TRY(gras_trp_chunk_send(sock, (char*)data,
- pointer_type->size[GRAS_THISARCH]));
-
- /* Send the pointed data only if not already sent */
- if (*(void**)data == NULL) {
- VERB0("Not sending NULL referenced data");
- break;
- }
- errcode = gras_dict_get_ext(refs,(char*)ref, sizeof(void*), &dummy);
- if (errcode == mismatch_error) {
- VERB1("Sending data referenced at %p", *ref);
- TRY(gras_dict_set_ext(refs, (char*)ref, sizeof(void*), ref, NULL));
- TRY(gras_datadesc_by_id(ref_code, &sub_type));
- TRY(gras_datadesc_send_rec(sock,state,refs, sub_type, *ref));
-
- } else if (errcode == no_error) {
- VERB1("Not sending data referenced at %p (already done)", *ref);
- } else {
- return errcode;
- }
-
- break;
- }
-
- case e_gras_datadesc_type_cat_array: {
- gras_dd_cat_array_t array_data;
- long int count;
- char *ptr=data;
- 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 = array_data.dynamic_size(state,type,data);
- gras_assert1(count >=0,
- "Invalid (negative) array size for type %s",type->name);
- TRY(gras_dd_send_int(sock, count));
- }
-
- /* send the content */
- TRY(gras_datadesc_by_id(array_data.code, &sub_type));
- elm_size = sub_type->aligned_size[GRAS_THISARCH];
- for (cpt=0; cpt<count; cpt++) {
- TRY(gras_datadesc_send_rec(sock,state,refs, sub_type, ptr));
- ptr += elm_size;
- }
- break;
- }
-
- default:
- gras_assert0(0, "Invalid type");
- }
-
- if (type->post) {
- type->post(state,type,data);
- }
-
- return no_error;
+/***
+ *** Direct use functions
+ ***/
+
+static void
+gras_datadesc_send_rec(gras_socket_t sock,
+ gras_cbps_t state,
+ xbt_dict_t refs,
+ gras_datadesc_type_t type,
+ char *data,
+ int detect_cycle) {
+
+ xbt_ex_t e;
+ unsigned int cpt;
+ gras_datadesc_type_t sub_type; /* type on which we recurse */
+
+ VERB2("Send a %s (%s)",
+ type->name, gras_datadesc_cat_names[type->category_code]);
+
+ if (!strcmp(type->name,"string"))
+ VERB1("value: '%s'",*(char**)data);
+
+ if (type->send) {
+ type->send(type,state,data);
+ DEBUG0("Run the emission callback");
+ }
+
+ switch (type->category_code) {
+ case e_gras_datadesc_type_cat_scalar:
+ gras_trp_send(sock, data, type->size[GRAS_THISARCH], 1);
+ break;
+
+ case e_gras_datadesc_type_cat_struct: {
+ gras_dd_cat_struct_t struct_data;
+ gras_dd_cat_field_t field;
+ char *field_data;
+
+ struct_data = type->category.struct_data;
+ xbt_assert1(struct_data.closed,
+ "Please call gras_datadesc_declare_struct_close on %s before sending it",
+ type->name);
+ VERB1(">> Send all fields of the structure %s",type->name);
+ xbt_dynar_foreach(struct_data.fields, cpt, field) {
+ field_data = data;
+ field_data += field->offset[GRAS_THISARCH];
+
+ sub_type = field->type;
+
+ if (field->send) {
+ DEBUG1("Run the emission callback of field %s", field->name);
+ field->send(type,state,field_data);
+ }
+
+ VERB1("Send field %s",field->name);
+ gras_datadesc_send_rec(sock,state,refs,sub_type, field_data,
+ detect_cycle || sub_type->cycle);
+
+ }
+ VERB1("<< Sent 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 sending it",
+ type->name);
+ /* retrieve the field number */
+ field_num = union_data.selector(type, state, data);
+
+ 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));
+
+ /* Send the field number */
+ gras_dd_send_int(sock, &field_num, 0 /* not stable */);
+
+ /* Send 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,data);
+
+ gras_datadesc_send_rec(sock,state,refs, sub_type, data,
+ detect_cycle || sub_type->cycle);
+
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_ref: {
+ gras_dd_cat_ref_t ref_data;
+ void **ref=(void**)data;
+ int reference_is_to_send;
+
+ ref_data = type->category.ref_data;
+
+ /* Detect the referenced type and send it to peer if needed */
+ sub_type = ref_data.type;
+ if (sub_type == NULL) {
+ sub_type = (*ref_data.selector)(type,state,data);
+ gras_dd_send_int(sock, &(sub_type->code),1 /*stable*/);
+ }
+
+ /* Send the actual value of the pointer for cycle handling */
+ if (!pointer_type) {
+ pointer_type = gras_datadesc_by_name("data pointer");
+ xbt_assert(pointer_type);
+ }
+
+ gras_trp_send(sock, (char*)data,
+ pointer_type->size[GRAS_THISARCH], 1 /*stable*/);
+
+ /* Send the pointed data only if not already sent */
+ if (*(void**)data == NULL) {
+ VERB0("Not sending NULL referenced data");
+ break;
+ }
+
+ reference_is_to_send = 0;
+ TRY {
+ if (detect_cycle)
+ /* return ignored. Just checking whether it's known or not */
+ xbt_dict_get_ext(refs,(char*)ref, sizeof(char*));
+ else
+ reference_is_to_send = 1;
+ } CATCH(e) {
+ if (e.category != not_found_error)
+ RETHROW;
+ reference_is_to_send = 1;
+ xbt_ex_free(e);
+ }
+
+ if (reference_is_to_send) {
+ VERB1("Sending data referenced at %p", (void*)*ref);
+ if (detect_cycle)
+ xbt_dict_set_ext(refs, (char*)ref, sizeof(void*), ref, NULL);
+ gras_datadesc_send_rec(sock,state,refs, sub_type, *ref,
+ detect_cycle || sub_type->cycle);
+
+ } else {
+ VERB1("Not sending data referenced at %p (already done)", (void*)*ref);
+ }
+
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_array: {
+ gras_dd_cat_array_t array_data;
+ int count;
+ char *ptr=data;
+ long int elm_size;
+
+ array_data = type->category.array_data;
+
+ /* determine and send the element count */
+ count = array_data.fixed_size;
+ if (count == -1) {
+ count = array_data.dynamic_size(type,state,data);
+ xbt_assert1(count >=0,
+ "Invalid (negative) array size for type %s",type->name);
+ gras_dd_send_int(sock, &count, 0/*non-stable*/);
+ }
+
+ /* 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 %d scalars, send it in one shot",count);
+ gras_trp_send(sock, data,
+ sub_type->aligned_size[GRAS_THISARCH] * count,
+ 0 /* not stable */);
+ } 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 %d fixed array of scalars, send it in one shot",count);
+ gras_trp_send(sock, data,
+ sub_type->category.array_data.type->aligned_size[GRAS_THISARCH]
+ * count * sub_type->category.array_data.fixed_size,
+ 0 /* not stable */);
+
+ } else {
+ for (cpt=0; cpt<count; cpt++) {
+ gras_datadesc_send_rec(sock,state,refs, sub_type, ptr,
+ detect_cycle || sub_type->cycle);
+ ptr += elm_size;
+ }
+ }
+ break;
+ }
+
+ default:
+ xbt_die("Invalid type");
+ }
}
/**
* Copy the data pointed by src and described by type to the socket
*
*/
-gras_error_t gras_datadesc_send(gras_socket_t *sock,
- gras_datadesc_type_t *type,
- void *src) {
-
- gras_error_t errcode;
- gras_dd_cbps_t *state = NULL;
- gras_dict_t *refs; /* all references already sent */
-
- TRY(gras_dict_new(&refs));
- TRY(gras_dd_cbps_new(&state));
-
- errcode = gras_datadesc_send_rec(sock,state,refs,type,(char*)src);
-
- gras_dict_free(&refs);
- gras_dd_cbps_free(&state);
-
- return errcode;
+void gras_datadesc_send(gras_socket_t sock,
+ gras_datadesc_type_t type,
+ void *src) {
+
+ xbt_ex_t e;
+ static gras_cbps_t state=NULL;
+ static xbt_dict_t refs=NULL; /* all references already sent */
+
+ xbt_assert0(type,"called with NULL type descriptor");
+
+ if (!state) {
+ state = gras_cbps_new();
+ refs = xbt_dict_new();
+ }
+
+ TRY {
+ gras_datadesc_send_rec(sock,state,refs,type,(char*)src, type->cycle);
+ } CLEANUP {
+ xbt_dict_reset(refs);
+ gras_cbps_reset(state);
+ } CATCH(e) {
+ RETHROW;
+ }
}
/**
* gras_datadesc_recv_rec:
*
* Do the data reception job recursively.
+ *
+ * subsize used only to deal with vicious case of reference to dynamic array.
+ * This size is needed at the reference reception level (to allocate enough
+ * space) and at the array reception level (to fill enough room).
+ *
+ * Having this size passed as an argument of the recursive function is a crude
+ * hack, but I was told that working code is sometimes better than neat one ;)
*/
-gras_error_t
-gras_datadesc_recv_rec(gras_socket_t *sock,
- gras_dd_cbps_t *state,
- gras_dict_t *refs,
- gras_datadesc_type_t *type,
- int r_arch,
- char **r_data,
- long int r_lgr,
- char **dst) {
-
- gras_error_t errcode;
- char *l_data = *dst; /* dereference to avoid typo */
- int cpt;
- gras_datadesc_type_t *sub_type;
-
- VERB1("Recv a %s", type->name);
-
- switch (type->category_code) {
- case e_gras_datadesc_type_cat_scalar:
- if (!l_data) {
- TRY(gras_dd_alloc_ref(refs,type->size[GRAS_THISARCH],r_data,r_lgr, dst));
- l_data = *dst;
- }
-
- if (type->size[GRAS_THISARCH] >= type->size[r_arch]) {
- TRY(gras_trp_chunk_recv(sock, (char*)l_data, type->size[r_arch]));
- TRY(gras_dd_convert_elm(type,r_arch, l_data,l_data));
- } else {
- void *ptr = NULL;
- ptr = malloc((size_t)type->size[r_arch]);
- TRY(gras_trp_chunk_recv(sock, (char*)ptr, type->size[r_arch]));
- TRY(gras_dd_convert_elm(type,r_arch, ptr,l_data));
- free(ptr);
- }
- break;
-
- case e_gras_datadesc_type_cat_struct: {
- gras_dd_cat_struct_t struct_data;
- gras_dd_cat_field_t *field;
-
- struct_data = type->category.struct_data;
-
- if (!l_data) {
- TRY(gras_dd_alloc_ref(refs,type->size[GRAS_THISARCH],r_data,r_lgr, dst));
- l_data = *dst;
- }
-
- VERB1(">> Receive all fields of the structure %s",type->name);
- gras_dynar_foreach(struct_data.fields, cpt, field) {
- char *field_data = l_data + field->offset[GRAS_THISARCH];
-
- TRY(gras_datadesc_by_id(field->code, &sub_type));
-
- TRY(gras_datadesc_recv_rec(sock,state,refs, sub_type,
- r_arch,NULL,0,
- &field_data));
- }
- VERB1("<< Received 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;
- int field_num;
-
- union_data = type->category.union_data;
-
- if (!l_data) {
- TRY(gras_dd_alloc_ref(refs,type->size[GRAS_THISARCH],r_data,r_lgr, dst));
- l_data = *dst;
- }
-
- /* retrieve the field number */
- TRY(gras_dd_recv_int(sock, r_arch, &field_num));
- if (field_num < 0)
- RAISE1(mismatch_error,
- "Received union field for %s is negative", type->name);
- if (field_num < gras_dynar_length(union_data.fields))
- RAISE3(mismatch_error,
- "Received union field for %s is %d but there is only %d fields",
- type->name, field_num, gras_dynar_length(union_data.fields));
-
- /* Recv the content */
- gras_dynar_get(union_data.fields, field_num, field);
- TRY(gras_datadesc_by_id(field->code, &sub_type));
-
- TRY(gras_datadesc_recv_rec(sock,state,refs, sub_type,
- r_arch,NULL,0,
- dst));
- break;
- }
-
- case e_gras_datadesc_type_cat_ref: {
- char **r_ref = NULL;
- char **l_ref = NULL;
- gras_dd_cat_ref_t ref_data;
- int ref_code;
-
- ref_data = type->category.ref_data;
-
- /* Get the referenced type locally or from peer */
- ref_code = ref_data.code;
- if (ref_code < 0)
- TRY(gras_dd_recv_int(sock, r_arch, &ref_code));
-
- /* Get the actual value of the pointer for cycle handling */
- if (!pointer_type)
- TRY(gras_datadesc_by_name("data pointer", &pointer_type));
-
- if (! (r_ref = malloc((size_t)pointer_type->size[r_arch])) )
- RAISE_MALLOC;
- TRY(gras_trp_chunk_recv(sock, (char*)r_ref,
- pointer_type->size[r_arch]));
-
- if (!l_data) {
- TRY(gras_dd_alloc_ref(refs,type->size[GRAS_THISARCH],r_data,r_lgr, dst));
- l_data = *dst;
- }
-
- /* Receive the pointed data only if not already sent */
- if (gras_dd_is_r_null(r_ref, pointer_type->size[r_arch])) {
- VERB1("Not receiving data remotely referenced at %p since it's NULL",
- *(void **)r_ref);
- *(void**)l_data = NULL;
- break;
- }
- errcode = gras_dict_get_ext(refs,
- (char*)r_ref, pointer_type->size[r_arch],
- (void**)&l_ref);
-
-
- if (errcode == mismatch_error) {
- void *l_referenced=NULL;
- VERB1("Receiving data remotely referenced at %p", *(void**)r_ref);
-
- TRY(gras_datadesc_by_id(ref_code, &sub_type));
- // DEBUG2("l_ref= %p; &l_ref=%p",l_referenced,&l_referenced);
- TRY(gras_datadesc_recv_rec(sock,state,refs, sub_type,
- r_arch,r_ref,pointer_type->size[r_arch],
- (char**)&l_referenced));
- *(void**)l_data=l_referenced;
-
- } else if (errcode == no_error) {
- VERB1("NOT receiving data remotely referenced at %p (already done). ",
- *(void**)r_ref);
-
- VERB2("l_ref=%p; *l_ref=%p", l_ref,*l_ref);
-
- *(void**)l_data=*l_ref;
-
- } else {
- return errcode;
- }
- VERB1("*l_data=%p",*(void**)l_data);
- break;
- }
-
- case e_gras_datadesc_type_cat_array: {
- gras_dd_cat_array_t array_data;
- int count;
- char *ptr;
- long int elm_size;
-
- array_data = type->category.array_data;
- /* determine element count locally or from peer */
- count = array_data.fixed_size;
- if (count <= 0)
- TRY(gras_dd_recv_int(sock, r_arch, &count));
- if (count < 0)
- RAISE1(mismatch_error,
- "Invalid (negative) array size for type %s",type->name);
-
- /* receive the content */
- TRY(gras_datadesc_by_id(array_data.code, &sub_type));
- elm_size = sub_type->aligned_size[GRAS_THISARCH];
-
- if (!l_data) {
- TRY(gras_dd_alloc_ref(refs,elm_size*count,r_data,r_lgr, dst));
- l_data = *dst;
- }
-
- ptr = l_data;
- for (cpt=0; cpt<count; cpt++) {
- TRY(gras_datadesc_recv_rec(sock,state,refs, sub_type,
- r_arch, NULL, 0, &ptr));
- ptr += elm_size;
- }
- break;
- }
-
- default:
- gras_assert0(0, "Invalid type");
- }
-
- return no_error;
+static void
+gras_datadesc_recv_rec(gras_socket_t sock,
+ gras_cbps_t state,
+ xbt_dict_t refs,
+ gras_datadesc_type_t type,
+ int r_arch,
+ char **r_data,
+ long int r_lgr,
+ char *l_data,
+ int subsize,
+ int detect_cycle) {
+
+ unsigned int cpt;
+ gras_datadesc_type_t sub_type;
+ xbt_ex_t e;
+
+ VERB2("Recv a %s @%p", type->name, (void*)l_data);
+ xbt_assert(l_data);
+
+ switch (type->category_code) {
+ case e_gras_datadesc_type_cat_scalar:
+ if (type->size[GRAS_THISARCH] == type->size[r_arch]) {
+ gras_trp_recv(sock, (char*)l_data, type->size[r_arch]);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(type,1,r_arch, l_data,l_data);
+ } else {
+ void *ptr = xbt_malloc(type->size[r_arch]);
+
+ gras_trp_recv(sock, (char*)ptr, type->size[r_arch]);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(type,1,r_arch, ptr,l_data);
+ free(ptr);
+ }
+ break;
+
+ case e_gras_datadesc_type_cat_struct: {
+ gras_dd_cat_struct_t struct_data;
+ gras_dd_cat_field_t field;
+
+ struct_data = type->category.struct_data;
+
+ xbt_assert1(struct_data.closed,
+ "Please call gras_datadesc_declare_struct_close on %s before receiving it",
+ type->name);
+ VERB1(">> Receive all fields of the structure %s",type->name);
+ xbt_dynar_foreach(struct_data.fields, cpt, field) {
+ char *field_data = l_data + field->offset[GRAS_THISARCH];
+
+ sub_type = field->type;
+
+ gras_datadesc_recv_rec(sock,state,refs, sub_type,
+ r_arch,NULL,0,
+ field_data,-1,
+ detect_cycle || sub_type->cycle);
+
+ if (field->recv) {
+ DEBUG1("Run the reception callback of field %s", field->name);
+ field->recv(type,state,(void*)l_data);
+ }
+
+ }
+ VERB1("<< Received 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 receiving it",
+ type->name);
+ /* retrieve the field number */
+ gras_dd_recv_int(sock, r_arch, &field_num);
+ 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))
+ 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));
+
+ /* Recv the content */
+ field = xbt_dynar_get_as(union_data.fields, field_num, gras_dd_cat_field_t);
+ sub_type = field->type;
+
+ gras_datadesc_recv_rec(sock,state,refs, sub_type,
+ r_arch,NULL,0,
+ l_data,-1,
+ detect_cycle || sub_type->cycle);
+ if (field->recv)
+ field->recv(type,state,l_data);
+
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_ref: {
+ char **r_ref = NULL;
+ char **l_ref = NULL;
+ gras_dd_cat_ref_t ref_data;
+ int reference_is_to_recv = 0;
+
+ ref_data = type->category.ref_data;
+
+ /* Get the referenced type locally or from peer */
+ sub_type = ref_data.type;
+ if (sub_type == NULL) {
+ int ref_code;
+ gras_dd_recv_int(sock, r_arch, &ref_code);
+ sub_type = gras_datadesc_by_id(ref_code);
+ }
+
+ /* Get the actual value of the pointer for cycle handling */
+ if (!pointer_type) {
+ pointer_type = gras_datadesc_by_name("data pointer");
+ xbt_assert(pointer_type);
+ }
+
+ r_ref = xbt_malloc(pointer_type->size[r_arch]);
+
+ gras_trp_recv(sock, (char*)r_ref,
+ pointer_type->size[r_arch]);
+
+ /* Receive the pointed data only if not already sent */
+ if (gras_dd_is_r_null(r_ref, pointer_type->size[r_arch])) {
+ VERB1("Not receiving data remotely referenced @%p since it's NULL",
+ *(void **)r_ref);
+ *(void**)l_data = NULL;
+ free(r_ref);
+ break;
+ }
+
+ reference_is_to_recv = 0;
+ TRY {
+ if (detect_cycle) {
+ l_ref = xbt_dict_get_ext(refs, (char*)r_ref, pointer_type->size[r_arch]);
+ } else {
+ reference_is_to_recv = 1;
+ }
+ } CATCH(e) {
+ if (e.category != not_found_error)
+ RETHROW;
+ reference_is_to_recv = 1;
+ xbt_ex_free(e);
+ }
+
+ if (reference_is_to_recv) {
+ int subsubcount = -1;
+ void *l_referenced=NULL;
+
+ VERB2("Receiving a ref to '%s', remotely @%p",
+ sub_type->name, *(void**)r_ref);
+ 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;
+
+ subsubcount = array_data.fixed_size;
+ if (subsubcount == -1)
+ gras_dd_recv_int(sock, r_arch, &subsubcount);
+
+ subsub_type = array_data.type;
+
+ if (subsubcount != 0)
+ gras_dd_alloc_ref(refs,
+ subsub_type->size[GRAS_THISARCH] * subsubcount,
+ r_ref,pointer_type->size[r_arch],
+ (char**)&l_referenced,
+ detect_cycle);
+ else
+ l_referenced = NULL;
+ } else {
+ gras_dd_alloc_ref(refs,sub_type->size[GRAS_THISARCH],
+ r_ref,pointer_type->size[r_arch],
+ (char**)&l_referenced,
+ detect_cycle);
+ }
+
+ if (l_referenced != NULL)
+ gras_datadesc_recv_rec(sock,state,refs, sub_type,
+ r_arch,r_ref,pointer_type->size[r_arch],
+ (char*)l_referenced, subsubcount,
+ detect_cycle || sub_type->cycle);
+
+ *(void**)l_data=l_referenced;
+ VERB3("'%s' remotely referenced at %p locally at %p",
+ sub_type->name, *(void**)r_ref, l_referenced);
+
+ } else {
+ VERB2("NOT receiving data remotely referenced @%p (already done, @%p here)",
+ *(void**)r_ref, *(void**)l_ref);
+
+ *(void**)l_data=*l_ref;
+
+ }
+ free(r_ref);
+ break;
+ }
+
+ case e_gras_datadesc_type_cat_array: {
+ gras_dd_cat_array_t array_data;
+ int count;
+ char *ptr;
+ long int elm_size;
+
+ array_data = type->category.array_data;
+ /* determine element count locally, or from caller, or from peer */
+ count = array_data.fixed_size;
+ if (count == -1)
+ count = subsize;
+ if (count == -1)
+ gras_dd_recv_int(sock, r_arch, &count);
+ if (count == -1)
+ THROW1(mismatch_error,0,
+ "Invalid (=-1) array size for type %s",type->name);
+
+ /* receive the content */
+ sub_type = array_data.type;
+ if (sub_type->category_code == e_gras_datadesc_type_cat_scalar) {
+ VERB1("Array of %d scalars, get it in one shoot", count);
+ if (sub_type->aligned_size[GRAS_THISARCH] >=
+ sub_type->aligned_size[r_arch]) {
+ gras_trp_recv(sock, (char*)l_data,
+ sub_type->aligned_size[r_arch] * count);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(sub_type,count,r_arch, l_data,l_data);
+ } else {
+ ptr = xbt_malloc(sub_type->aligned_size[r_arch] * count);
+
+ gras_trp_recv(sock, (char*)ptr,
+ sub_type->size[r_arch] * count);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(sub_type,count,r_arch, ptr,l_data);
+ free(ptr);
+ }
+ } 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) {
+ gras_datadesc_type_t subsub_type;
+ array_data = sub_type->category.array_data;
+ subsub_type = array_data.type;
+
+ VERB1("Array of %d fixed array of scalars, get it in one shot",count);
+ if (subsub_type->aligned_size[GRAS_THISARCH] >=
+ subsub_type->aligned_size[r_arch]) {
+ gras_trp_recv(sock, (char*)l_data,
+ subsub_type->aligned_size[r_arch] * count *
+ array_data.fixed_size);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(subsub_type,count*array_data.fixed_size,r_arch, l_data,l_data);
+ } else {
+ ptr = xbt_malloc(subsub_type->aligned_size[r_arch] * count*array_data.fixed_size);
+
+ gras_trp_recv(sock, (char*)ptr,
+ subsub_type->size[r_arch] * count*array_data.fixed_size);
+ if (r_arch != GRAS_THISARCH)
+ gras_dd_convert_elm(subsub_type,count*array_data.fixed_size,r_arch, ptr,l_data);
+ free(ptr);
+ }
+
+
+ } else {
+ /* not scalar content, get it recursively (may contain pointers) */
+ elm_size = sub_type->aligned_size[GRAS_THISARCH];
+ VERB2("Receive a %d-long array of %s",count, sub_type->name);
+
+ ptr = l_data;
+ for (cpt=0; cpt<count; cpt++) {
+ gras_datadesc_recv_rec(sock,state,refs, sub_type,
+ r_arch, NULL, 0, ptr,-1,
+ detect_cycle || sub_type->cycle);
+
+ ptr += elm_size;
+ }
+ }
+ break;
+ }
+
+ default:
+ xbt_die("Invalid type");
+ }
+
+ if (type->recv)
+ type->recv(type,state,l_data);
+
+ if (!strcmp(type->name,"string"))
+ VERB1("value: '%s'",*(char**)l_data);
+
}
/**
* gras_datadesc_recv:
*
- * Get an instance of the datatype described by @type from the @socket,
+ * Get an instance of the datatype described by @type from the @socket,
* and store a pointer to it in @dst
*
*/
-gras_error_t
-gras_datadesc_recv(gras_socket_t *sock,
- gras_datadesc_type_t *type,
- int r_arch,
- void **dst) {
-
- gras_error_t errcode;
- gras_dd_cbps_t *state = NULL; /* callback persistent state */
- gras_dict_t *refs; /* all references already sent */
-
- TRY(gras_dict_new(&refs));
- TRY(gras_dd_cbps_new(&state));
- if (!dst)
- CRITICAL0("Cannot receive data into a NULL pointer!");
- if (*dst)
- VERB0("'*dst' not NULL in datadesc_recv. Data to be copied there without malloc");
-
- errcode = gras_datadesc_recv_rec(sock, state, refs, type,
- r_arch, NULL, 0,
- (char **) dst);
-
- gras_dict_free(&refs);
- gras_dd_cbps_free(&state);
-
- return errcode;
+void
+gras_datadesc_recv(gras_socket_t sock,
+ gras_datadesc_type_t type,
+ int r_arch,
+ void *dst) {
+
+ xbt_ex_t e;
+ static gras_cbps_t state=NULL; /* callback persistent state */
+ static xbt_dict_t refs=NULL; /* all references already sent */
+
+ if (!state) {
+ state = gras_cbps_new();
+ refs = xbt_dict_new();
+ }
+
+ xbt_assert0(type,"called with NULL type descriptor");
+ TRY {
+ gras_datadesc_recv_rec(sock, state, refs, type,
+ r_arch, NULL, 0,
+ (char *) dst,-1,
+ type->cycle);
+ } CLEANUP {
+ xbt_dict_reset(refs);
+ gras_cbps_reset(state);
+ } CATCH(e) {
+ RETHROW;
+ }
}
+
