101 строка
3.1 KiB
C
101 строка
3.1 KiB
C
/*
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* Copyright (c) 2004-2010 The Trustees of Indiana University.
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* All rights reserved.
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*
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "opal_config.h"
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#include <string.h>
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#include "opal/mca/mca.h"
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#include "opal/mca/base/base.h"
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#include "opal/include/opal/constants.h"
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#include "opal/mca/compress/compress.h"
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#include "opal/mca/compress/base/base.h"
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#include "opal/util/output.h"
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#include "opal/util/opal_sos.h"
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#include "opal/mca/compress/base/static-components.h"
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/*
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* Globals
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*/
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int opal_compress_base_output = -1;
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opal_compress_base_module_t opal_compress = {
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NULL, /* init */
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NULL, /* finalize */
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NULL, /* compress */
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NULL, /* compress_nb */
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NULL, /* decompress */
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NULL /* decompress_nb */
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};
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opal_list_t opal_compress_base_components_available;
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opal_compress_base_component_t opal_compress_base_selected_component;
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/**
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* Function for finding and opening either all MCA components,
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* or the one that was specifically requested via a MCA parameter.
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*/
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int opal_compress_base_open(void)
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{
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int ret, exit_status = OPAL_SUCCESS;
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int value;
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char *str_value = NULL;
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/* Debugging/Verbose output */
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mca_base_param_reg_int_name("compress",
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"base_verbose",
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"Verbosity level of the COMPRESS framework",
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false, false,
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0, &value);
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if(0 != value) {
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opal_compress_base_output = opal_output_open(NULL);
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} else {
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opal_compress_base_output = -1;
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}
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opal_output_set_verbosity(opal_compress_base_output, value);
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/*
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* Which COMPRESS component to open
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* - NULL or "" = auto-select
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* - "none" = Empty component
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* - ow. select that specific component
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*/
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mca_base_param_reg_string_name("compress", NULL,
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"Which COMPRESS component to use (empty = auto-select)",
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false, false,
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NULL, &str_value);
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/* Compression currently only used with C/R */
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if( !opal_cr_is_enabled ) {
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opal_output_verbose(10, opal_compress_base_output,
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"compress:open: FT is not enabled, skipping!");
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return OPAL_SUCCESS;
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}
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/* Open up all available components */
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if (OPAL_SUCCESS != (ret = mca_base_components_open("compress",
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opal_compress_base_output,
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mca_compress_base_static_components,
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&opal_compress_base_components_available,
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true)) ) {
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if( OPAL_ERR_NOT_FOUND == OPAL_SOS_GET_ERROR_CODE(ret) &&
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NULL != str_value &&
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0 == strncmp(str_value, "none", strlen("none")) ) {
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exit_status = OPAL_SUCCESS;
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} else {
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exit_status = OPAL_ERROR;
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}
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}
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if( NULL != str_value ) {
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free(str_value);
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}
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return exit_status;
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}
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