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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2010 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "opal/constants.h"
#include "opal/mca/compress/compress.h"
#include "opal/mca/compress/base/base.h"
#include "compress_gzip.h"
/*
* Public string for version number
*/
const char *opal_compress_gzip_component_version_string =
"OPAL COMPRESS gzip MCA component version " OPAL_VERSION;
/*
* Local functionality
*/
static int compress_gzip_register (void);
static int compress_gzip_open(void);
static int compress_gzip_close(void);
/*
* Instantiate the public struct with all of our public information
* and pointer to our public functions in it
*/
opal_compress_gzip_component_t mca_compress_gzip_component = {
/* First do the base component stuff */
{
/* Handle the general mca_component_t struct containing
* meta information about the component itgzip
*/
.base_version = {
OPAL_COMPRESS_BASE_VERSION_2_0_0,
/* Component name and version */
.mca_component_name = "gzip",
MCA_BASE_MAKE_VERSION(component, OPAL_MAJOR_VERSION, OPAL_MINOR_VERSION,
OPAL_RELEASE_VERSION),
/* Component open and close functions */
.mca_open_component = compress_gzip_open,
.mca_close_component = compress_gzip_close,
.mca_query_component = opal_compress_gzip_component_query,
.mca_register_component_params = compress_gzip_register
},
.base_data = {
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
.verbose = 0,
.output_handle = -1,
}
};
/*
* Gzip module
*/
static opal_compress_base_module_t loc_module = {
/** Initialization Function */
opal_compress_gzip_module_init,
/** Finalization Function */
opal_compress_gzip_module_finalize,
/** Compress Function */
opal_compress_gzip_compress,
opal_compress_gzip_compress_nb,
/** Decompress Function */
opal_compress_gzip_decompress,
opal_compress_gzip_decompress_nb
};
static int compress_gzip_register (void)
{
int ret;
mca_compress_gzip_component.super.priority = 15;
ret = mca_base_component_var_register (&mca_compress_gzip_component.super.base_version,
"priority", "Priority of the COMPRESS gzip component "
"(default: 15)", MCA_BASE_VAR_TYPE_INT, NULL, 0,
MCA_BASE_VAR_FLAG_SETTABLE,
OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_ALL_EQ,
&mca_compress_gzip_component.super.priority);
if (0 > ret) {
return ret;
}
mca_compress_gzip_component.super.verbose = 0;
ret = mca_base_component_var_register (&mca_compress_gzip_component.super.base_version,
"verbose",
"Verbose level for the COMPRESS gzip component",
MCA_BASE_VAR_TYPE_INT, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_LOCAL,
&mca_compress_gzip_component.super.verbose);
return (0 > ret) ? ret : OPAL_SUCCESS;
}
static int compress_gzip_open(void)
{
/* If there is a custom verbose level for this component than use it
* otherwise take our parents level and output channel
*/
if ( 0 != mca_compress_gzip_component.super.verbose) {
mca_compress_gzip_component.super.output_handle = opal_output_open(NULL);
opal_output_set_verbosity(mca_compress_gzip_component.super.output_handle,
mca_compress_gzip_component.super.verbose);
} else {
mca_compress_gzip_component.super.output_handle = opal_compress_base_framework.framework_output;
}
/*
* Debug output
*/
opal_output_verbose(10, mca_compress_gzip_component.super.output_handle,
"compress:gzip: open()");
opal_output_verbose(20, mca_compress_gzip_component.super.output_handle,
"compress:gzip: open: priority = %d",
mca_compress_gzip_component.super.priority);
opal_output_verbose(20, mca_compress_gzip_component.super.output_handle,
"compress:gzip: open: verbosity = %d",
mca_compress_gzip_component.super.verbose);
return OPAL_SUCCESS;
}
static int compress_gzip_close(void)
{
return OPAL_SUCCESS;
}
int opal_compress_gzip_component_query(mca_base_module_t **module, int *priority)
{
*module = (mca_base_module_t *)&loc_module;
*priority = mca_compress_gzip_component.super.priority;
return OPAL_SUCCESS;
}
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