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openmpi/opal/dss/dss_pack.c

481 строка
14 KiB
C
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/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2007 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "opal/types.h"
#include "opal/util/output.h"
#include "opal/dss/dss_internal.h"
int opal_dss_pack(opal_buffer_t *buffer, const void *src, int32_t num_vals,
opal_data_type_t type)
{
int rc;
/* check for error */
if (NULL == buffer) {
return OPAL_ERR_BAD_PARAM;
}
/* Pack the number of values */
if (OPAL_DSS_BUFFER_FULLY_DESC == buffer->type) {
if (OPAL_SUCCESS != (rc = opal_dss_store_data_type(buffer, OPAL_INT32))) {
return rc;
}
}
if (OPAL_SUCCESS != (rc = opal_dss_pack_int32(buffer, &num_vals, 1, OPAL_INT32))) {
return rc;
}
/* Pack the value(s) */
return opal_dss_pack_buffer(buffer, src, num_vals, type);
}
int opal_dss_pack_buffer(opal_buffer_t *buffer, const void *src, int32_t num_vals,
opal_data_type_t type)
{
int rc;
opal_dss_type_info_t *info;
OPAL_OUTPUT( ( opal_dss_verbose, "opal_dss_pack_buffer( %p, %p, %lu, %d )\n",
(void*)buffer, src, (long unsigned int)num_vals, (int)type ) );
/* Pack the declared data type */
if (OPAL_DSS_BUFFER_FULLY_DESC == buffer->type) {
if (OPAL_SUCCESS != (rc = opal_dss_store_data_type(buffer, type))) {
return rc;
}
}
/* Lookup the pack function for this type and call it */
if (NULL == (info = (opal_dss_type_info_t*)opal_pointer_array_get_item(&opal_dss_types, type))) {
return OPAL_ERR_PACK_FAILURE;
}
return info->odti_pack_fn(buffer, src, num_vals, type);
}
/* PACK FUNCTIONS FOR GENERIC SYSTEM TYPES */
/*
* BOOL
*/
int opal_dss_pack_bool(opal_buffer_t *buffer, const void *src,
int32_t num_vals, opal_data_type_t type)
{
int ret;
/* System types need to always be described so we can properly
unpack them. If we aren't fully described, then add the
description for this type... */
if (OPAL_DSS_BUFFER_FULLY_DESC != buffer->type) {
if (OPAL_SUCCESS != (ret = opal_dss_store_data_type(buffer, DSS_TYPE_BOOL))) {
return ret;
}
}
/* Turn around and pack the real type */
return opal_dss_pack_buffer(buffer, src, num_vals, DSS_TYPE_BOOL);
}
/*
* INT
*/
int opal_dss_pack_int(opal_buffer_t *buffer, const void *src,
int32_t num_vals, opal_data_type_t type)
{
int ret;
/* System types need to always be described so we can properly
unpack them. If we aren't fully described, then add the
description for this type... */
if (OPAL_DSS_BUFFER_FULLY_DESC != buffer->type) {
if (OPAL_SUCCESS != (ret = opal_dss_store_data_type(buffer, DSS_TYPE_INT))) {
return ret;
}
}
/* Turn around and pack the real type */
return opal_dss_pack_buffer(buffer, src, num_vals, DSS_TYPE_INT);
}
/*
* SIZE_T
*/
int opal_dss_pack_sizet(opal_buffer_t *buffer, const void *src,
int32_t num_vals, opal_data_type_t type)
{
int ret;
/* System types need to always be described so we can properly
unpack them. If we aren't fully described, then add the
description for this type... */
if (OPAL_DSS_BUFFER_FULLY_DESC != buffer->type) {
if (OPAL_SUCCESS != (ret = opal_dss_store_data_type(buffer, DSS_TYPE_SIZE_T))) {
return ret;
}
}
return opal_dss_pack_buffer(buffer, src, num_vals, DSS_TYPE_SIZE_T);
}
/*
* PID_T
*/
int opal_dss_pack_pid(opal_buffer_t *buffer, const void *src,
int32_t num_vals, opal_data_type_t type)
{
int ret;
/* System types need to always be described so we can properly
unpack them. If we aren't fully described, then add the
description for this type... */
if (OPAL_DSS_BUFFER_FULLY_DESC != buffer->type) {
if (OPAL_SUCCESS != (ret = opal_dss_store_data_type(buffer, DSS_TYPE_PID_T))) {
return ret;
}
}
/* Turn around and pack the real type */
return opal_dss_pack_buffer(buffer, src, num_vals, DSS_TYPE_PID_T);
}
/* PACK FUNCTIONS FOR NON-GENERIC SYSTEM TYPES */
/*
* NULL
*/
int opal_dss_pack_null(opal_buffer_t *buffer, const void *src,
int32_t num_vals, opal_data_type_t type)
{
char null=0x00;
char *dst;
OPAL_OUTPUT( ( opal_dss_verbose, "opal_dss_pack_null * %d\n", num_vals ) );
/* check to see if buffer needs extending */
if (NULL == (dst = opal_dss_buffer_extend(buffer, num_vals))) {
return OPAL_ERR_OUT_OF_RESOURCE;
}
/* store the nulls */
memset(dst, (int)null, num_vals);
/* update buffer pointers */
buffer->pack_ptr += num_vals;
buffer->bytes_used += num_vals;
return OPAL_SUCCESS;
}
/*
* BYTE, CHAR, INT8
*/
int opal_dss_pack_byte(opal_buffer_t *buffer, const void *src,
int32_t num_vals, opal_data_type_t type)
{
char *dst;
OPAL_OUTPUT( ( opal_dss_verbose, "opal_dss_pack_byte * %d\n", num_vals ) );
/* check to see if buffer needs extending */
if (NULL == (dst = opal_dss_buffer_extend(buffer, num_vals))) {
return OPAL_ERR_OUT_OF_RESOURCE;
}
/* store the data */
memcpy(dst, src, num_vals);
/* update buffer pointers */
buffer->pack_ptr += num_vals;
buffer->bytes_used += num_vals;
return OPAL_SUCCESS;
}
/*
* INT16
*/
int opal_dss_pack_int16(opal_buffer_t *buffer, const void *src,
int32_t num_vals, opal_data_type_t type)
{
int32_t i;
uint16_t tmp, *srctmp = (uint16_t*) src;
char *dst;
OPAL_OUTPUT( ( opal_dss_verbose, "opal_dss_pack_int16 * %d\n", num_vals ) );
/* check to see if buffer needs extending */
if (NULL == (dst = opal_dss_buffer_extend(buffer, num_vals*sizeof(tmp)))) {
return OPAL_ERR_OUT_OF_RESOURCE;
}
for (i = 0; i < num_vals; ++i) {
tmp = htons(srctmp[i]);
memcpy(dst, &tmp, sizeof(tmp));
dst += sizeof(tmp);
}
buffer->pack_ptr += num_vals * sizeof(tmp);
buffer->bytes_used += num_vals * sizeof(tmp);
return OPAL_SUCCESS;
}
/*
* INT32
*/
int opal_dss_pack_int32(opal_buffer_t *buffer, const void *src,
int32_t num_vals, opal_data_type_t type)
{
int32_t i;
uint32_t tmp, *srctmp = (uint32_t*) src;
char *dst;
OPAL_OUTPUT( ( opal_dss_verbose, "opal_dss_pack_int32 * %d\n", num_vals ) );
/* check to see if buffer needs extending */
if (NULL == (dst = opal_dss_buffer_extend(buffer, num_vals*sizeof(tmp)))) {
return OPAL_ERR_OUT_OF_RESOURCE;
}
for (i = 0; i < num_vals; ++i) {
tmp = htonl(srctmp[i]);
memcpy(dst, &tmp, sizeof(tmp));
dst += sizeof(tmp);
}
buffer->pack_ptr += num_vals * sizeof(tmp);
buffer->bytes_used += num_vals * sizeof(tmp);
return OPAL_SUCCESS;
}
/*
* INT64
*/
int opal_dss_pack_int64(opal_buffer_t *buffer, const void *src,
int32_t num_vals, opal_data_type_t type)
{
int32_t i;
uint64_t tmp, *srctmp = (uint64_t*) src;
char *dst;
size_t bytes_packed = num_vals * sizeof(tmp);
OPAL_OUTPUT( ( opal_dss_verbose, "opal_dss_pack_int64 * %d\n", num_vals ) );
/* check to see if buffer needs extending */
if (NULL == (dst = opal_dss_buffer_extend(buffer, bytes_packed))) {
return OPAL_ERR_OUT_OF_RESOURCE;
}
for (i = 0; i < num_vals; ++i) {
tmp = hton64(srctmp[i]);
memcpy(dst, &tmp, sizeof(tmp));
dst += sizeof(tmp);
}
buffer->pack_ptr += bytes_packed;
buffer->bytes_used += bytes_packed;
return OPAL_SUCCESS;
}
/*
* STRING
*/
int opal_dss_pack_string(opal_buffer_t *buffer, const void *src,
int32_t num_vals, opal_data_type_t type)
{
int ret = OPAL_SUCCESS;
int32_t i, len;
char **ssrc = (char**) src;
for (i = 0; i < num_vals; ++i) {
if (NULL == ssrc[i]) { /* got zero-length string/NULL pointer - store NULL */
len = 0;
if (OPAL_SUCCESS != (ret = opal_dss_pack_int32(buffer, &len, 1, OPAL_INT32))) {
return ret;
}
} else {
len = (int32_t)strlen(ssrc[i]) + 1;
if (OPAL_SUCCESS != (ret = opal_dss_pack_int32(buffer, &len, 1, OPAL_INT32))) {
return ret;
}
if (OPAL_SUCCESS != (ret =
opal_dss_pack_byte(buffer, ssrc[i], len, OPAL_BYTE))) {
return ret;
}
}
}
return OPAL_SUCCESS;
}
/* PACK FUNCTIONS FOR GENERIC OPAL TYPES */
/*
* OPAL_DATA_TYPE
*/
int opal_dss_pack_data_type(opal_buffer_t *buffer, const void *src, int32_t num_vals,
opal_data_type_t type)
{
int ret;
/* Turn around and pack the real type */
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, src, num_vals, OPAL_DATA_TYPE_T))) {
}
return ret;
}
/*
* OPAL_DATA_VALUE
*/
int opal_dss_pack_data_value(opal_buffer_t *buffer, const void *src, int32_t num, opal_data_type_t type)
{
opal_dss_type_info_t *info;
opal_dss_value_t **sdv;
int32_t i;
int ret;
sdv = (opal_dss_value_t **) src;
for (i = 0; i < num; ++i) {
/* if the src data value is NULL, then we will pack it as OPAL_NULL to indicate
* that the unpack should leave a NULL data value
*/
if (NULL == sdv[i]) {
if (OPAL_SUCCESS != (ret = opal_dss_store_data_type(buffer, OPAL_NULL))) {
return ret;
}
continue;
}
/* pack the data type - we'll need it on the other end */
if (OPAL_SUCCESS != (ret = opal_dss_store_data_type(buffer, sdv[i]->type))) {
return ret;
}
/* if the data type is UNDEF, then nothing more to do */
if (OPAL_UNDEF == sdv[i]->type) continue;
/* Lookup the pack function for this type and call it */
if (NULL == (info = (opal_dss_type_info_t*)opal_pointer_array_get_item(&opal_dss_types, sdv[i]->type))) {
return OPAL_ERR_PACK_FAILURE;
}
if (info->odti_structured) {
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &(sdv[i]->data), 1, sdv[i]->type))) {
return ret;
}
} else {
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, sdv[i]->data, 1, sdv[i]->type))) {
return ret;
}
}
}
return OPAL_SUCCESS;
}
/*
* OPAL_BYTE_OBJECT
*/
int opal_dss_pack_byte_object(opal_buffer_t *buffer, const void *src, int32_t num,
opal_data_type_t type)
{
opal_byte_object_t **sbyteptr;
int32_t i, n;
int ret;
sbyteptr = (opal_byte_object_t **) src;
for (i = 0; i < num; ++i) {
n = sbyteptr[i]->size;
if (OPAL_SUCCESS != (ret = opal_dss_pack_int32(buffer, &n, 1, OPAL_INT32))) {
return ret;
}
if (0 < n) {
if (OPAL_SUCCESS != (ret =
opal_dss_pack_byte(buffer, sbyteptr[i]->bytes, n, OPAL_BYTE))) {
return ret;
}
}
}
return OPAL_SUCCESS;
}
/*
* OPAL_PSTAT
*/
int opal_dss_pack_pstat(opal_buffer_t *buffer, const void *src,
int32_t num_vals, opal_data_type_t type)
{
opal_pstats_t **ptr;
int32_t i;
int ret;
char *cptr;
ptr = (opal_pstats_t **) src;
for (i = 0; i < num_vals; ++i) {
cptr = ptr[i]->node;
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &cptr, 1, OPAL_STRING))) {
return ret;
}
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &ptr[i]->rank, 1, OPAL_INT32))) {
return ret;
}
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &ptr[i]->pid, 1, OPAL_PID))) {
return ret;
}
cptr = ptr[i]->cmd;
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &cptr, 1, OPAL_STRING))) {
return ret;
}
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &ptr[i]->state, 1, OPAL_BYTE))) {
return ret;
}
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &ptr[i]->time, 1, OPAL_UINT64))) {
return ret;
}
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &ptr[i]->priority, 1, OPAL_INT32))) {
return ret;
}
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &ptr[i]->num_threads, 1, OPAL_INT16))) {
return ret;
}
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &ptr[i]->vsize, 1, OPAL_UINT64))) {
return ret;
}
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &ptr[i]->rss, 1, OPAL_UINT64))) {
return ret;
}
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &ptr[i]->peak_vsize, 1, OPAL_UINT64))) {
return ret;
}
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &ptr[i]->shared_size, 1, OPAL_UINT64))) {
return ret;
}
if (OPAL_SUCCESS != (ret = opal_dss_pack_buffer(buffer, &ptr[i]->processor, 1, OPAL_INT16))) {
return ret;
}
}
return OPAL_SUCCESS;
}
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