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/* |
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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org |
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* Copyright (C) 2000-2003 i-scream |
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* Copyright (C) 2000-2004 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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* 02111-1307 USA |
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* |
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* $Id$ |
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*/ |
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#ifdef HAVE_CONFIG_H |
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#include <sys/swap.h> |
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#include <unistd.h> |
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#endif |
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#ifdef LINUX |
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#if defined(LINUX) || defined(CYGWIN) |
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#include <stdio.h> |
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#include <string.h> |
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#endif |
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#ifdef FREEBSD |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <kvm.h> |
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#endif |
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#if defined(NETBSD) || defined(OPENBSD) |
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#include <sys/param.h> |
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#include <uvm/uvm.h> |
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#endif |
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|
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swap_stat_t *get_swap_stats(){ |
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struct anoninfo ai; |
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int pagesize; |
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#endif |
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#ifdef LINUX |
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#if defined(LINUX) || defined(CYGWIN) |
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FILE *f; |
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char *line_ptr; |
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unsigned long long value; |
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#endif |
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#ifdef FREEBSD |
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struct kvm_swap swapinfo; |
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int pagesize; |
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kvm_t *kvmd; |
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#endif |
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#ifdef NETBSD |
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#if defined(NETBSD) || defined(OPENBSD) |
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struct uvmexp *uvm; |
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#endif |
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swap_stat.used = (long long)ai.ani_resv * (long long)pagesize; |
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swap_stat.free = swap_stat.total - swap_stat.used; |
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#endif |
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#ifdef LINUX |
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if ((f=fopen("/proc/meminfo", "r" ))==NULL) { |
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#if defined(LINUX) || defined(CYGWIN) |
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if ((f = fopen("/proc/meminfo", "r")) == NULL) { |
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return NULL; |
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} |
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if((line_ptr=f_read_line(f, "Swap:"))==NULL){ |
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fclose(f); |
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return NULL; |
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|
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while ((line_ptr = f_read_line(f, "")) != NULL) { |
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if (sscanf(line_ptr, "%*s %llu kB", &value) != 1) { |
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continue; |
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} |
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value *= 1024; |
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|
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if (strncmp(line_ptr, "SwapTotal:", 10) == 0) { |
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swap_stat.total = value; |
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} else if (strncmp(line_ptr, "SwapFree:", 9) == 0) { |
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swap_stat.free = value; |
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} |
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} |
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if((sscanf(line_ptr, "Swap: %lld %lld %lld", &swap_stat.total, &swap_stat.used, &swap_stat.free))!=3){ |
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fclose(f); |
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return NULL; |
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} |
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fclose(f); |
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swap_stat.used = swap_stat.total - swap_stat.free; |
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#endif |
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#ifdef FREEBSD |
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if((kvmd = get_kvm()) == NULL){ |
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swap_stat.used = (long long)swapinfo.ksw_used * (long long)pagesize; |
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swap_stat.free = swap_stat.total-swap_stat.used; |
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#endif |
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#ifdef NETBSD |
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#if defined(NETBSD) || defined(OPENBSD) |
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if ((uvm = get_uvmexp()) == NULL) { |
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return NULL; |
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} |
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swap_stat.used = (long long)uvm->pagesize * (long long)uvm->swpginuse; |
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swap_stat.free = swap_stat.total - swap_stat.used; |
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#endif |
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return &swap_stat; |
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|
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} |
