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/* $Id: ncbi_host_info.c,v 6.10 2006/03/17 16:41:20 lavr Exp $
* ===========================================================================
*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's official duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government have not placed any restriction on its use or reproduction.
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* Please cite the author in any work or product based on this material.
*
* ===========================================================================
*
* Author: Anton Lavrentiev
*
* File Description:
* NCBI host info constructor and getters
*
*/
#include "ncbi_lbsmd.h"
#include <math.h>
#include <stdlib.h>
#include <string.h>
#ifndef M_PI
/* Not defined on MacOS.9 :-( */
# define M_PI 3.14159265358979323846
#endif
typedef struct SHostInfoTag {
const char* env;
const char* arg;
const char* val;
double pad; /* for proper 'hinfo' alignment; also as a magic */
} SHOST_Info;
HOST_INFO HINFO_Create(const void* hinfo, size_t hinfo_size, const char* env,
const char* arg, const char* val)
{
SHOST_Info* host_info;
size_t size;
size_t e_s;
size_t a_s;
size_t v_s;
char* s;
if (!hinfo)
return 0;
e_s = env && *env ? strlen(env) + 1 : 0;
a_s = arg && *arg ? strlen(arg) + 1 : 0;
v_s = a_s && val ? strlen(val) + 1 : 0;
size = sizeof(*host_info) + hinfo_size;
if (!(host_info = (SHOST_Info*) calloc(1, size + e_s + a_s + v_s)))
return 0;
memcpy((char*) host_info + sizeof(*host_info), hinfo, hinfo_size);
s = (char*) host_info + size;
if (e_s) {
host_info->env = (const char*) memcpy(s, env, e_s);
s += e_s;
}
if (a_s) {
host_info->arg = (const char*) memcpy(s, arg, a_s);
s += a_s;
}
if (v_s) {
host_info->val = (const char*) memcpy(s, val, v_s);
s += v_s;
}
host_info->pad = M_PI;
return host_info;
}
int HINFO_CpuCount(const HOST_INFO host_info)
{
if (!host_info || host_info->pad != M_PI)
return -1;
return LBSM_HINFO_CpuCount((const char*) host_info + sizeof(*host_info));
}
int HINFO_TaskCount(const HOST_INFO host_info)
{
if (!host_info || host_info->pad != M_PI)
return -1;
return LBSM_HINFO_TaskCount((const char*) host_info + sizeof(*host_info));
}
int/*bool*/ HINFO_LoadAverage(const HOST_INFO host_info, double lavg[2])
{
if (!host_info || host_info->pad != M_PI)
return 0;
return LBSM_HINFO_LoadAverage((const char*) host_info + sizeof(*host_info),
lavg);
}
int/*bool*/ HINFO_Status(const HOST_INFO host_info, double status[2])
{
if (!host_info || host_info->pad != M_PI)
return 0;
return LBSM_HINFO_Status((const char*) host_info + sizeof(*host_info),
status);
}
/*ARGSUSED*/
int/*bool*/ HINFO_BLASTParams(const HOST_INFO host_info, unsigned int blast[8])
{
return 0;
}
const char* HINFO_Environment(const HOST_INFO host_info)
{
if (!host_info || host_info->pad != M_PI)
return 0;
return host_info->env;
}
const char* HINFO_AffinityArgument(const HOST_INFO host_info)
{
if (!host_info || host_info->pad != M_PI)
return 0;
return host_info->arg;
}
const char* HINFO_AffinityArgvalue(const HOST_INFO host_info)
{
if (!host_info || host_info->pad != M_PI)
return 0;
return host_info->val;
}
/*
* --------------------------------------------------------------------------
* $Log: ncbi_host_info.c,v $
* Revision 6.10 2006/03/17 16:41:20 lavr
* Fix a typo in the last rev's change log
*
* Revision 6.9 2006/03/17 16:39:56 lavr
* Explicit casts to keep compiler happy
*
* Revision 6.8 2006/03/06 20:24:20 lavr
* Added "const" qualifier to all host-infos when passed to getters
*
* Revision 6.7 2006/03/05 17:36:52 lavr
* +HINFO_AffinityArgument, +HINFO_AffinityArgvalue; HINFO_Create modified
*
* Revision 6.6 2003/01/17 19:44:46 lavr
* Reduce dependencies
*
* Revision 6.5 2002/10/29 22:19:07 lavr
* Fix typo in the file description
*
* Revision 6.4 2002/10/29 00:31:08 lavr
* Fixed hinfo overflow from the use of precalculated size
*
* Revision 6.3 2002/10/28 21:55:38 lavr
* LBSM_HINFO introduced for readability to replace plain "const void*"
*
* Revision 6.2 2002/10/28 20:49:04 lavr
* Conditionally define M_PI if it is not already defined by <math.h>
*
* Revision 6.1 2002/10/28 20:13:45 lavr
* Initial revision
*
* ==========================================================================
*/
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