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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org.uk |
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* Copyright (C) 2000-2002 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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* |
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* This program 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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* |
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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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*/ |
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|
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#include <stdio.h> |
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#ifdef LINUX |
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#include <string.h> |
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#include <sys/sysctl.h> |
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#include <unistd.h> |
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#endif |
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< |
#include <ukcprog.h> |
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#include "ukcprog.h" |
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|
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char *get_memory_stats(){ |
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long total=0; |
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long free=0; |
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long used=0; |
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long cache=0; |
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long long total=0; |
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long long free=0; |
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long long used=0; |
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long long cache=0; |
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char *xml_memory_stats; |
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#ifdef LINUX |
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FILE *f; |
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char *line; |
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long buffers; |
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long long buffers; |
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#endif |
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#ifdef SOLARIS |
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kstat_ctl_t *kc; |
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} |
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while((line=fpgetline(f)) != NULL){ |
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if (((strncmp(line,"Mem:",4)) == 0)) { |
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if((sscanf(line, "%*s %ld %ld %ld %*s %ld %ld", &total, &used, &free, &buffers, &cache)) != 5){ |
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if((sscanf(line, "%*s %lld %lld %lld %*s %lld %lld", &total, &used, &free, &buffers, &cache)) != 5){ |
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errf("Failed to read memory details (%m)"); |
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return NULL; |
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} |
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} |
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|
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cache=cache+buffers; |
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used=total-(free+cache); |
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used=total-free; |
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|
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total=(total/1024)/1024; |
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used=(used/1024)/1024; |
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free=(free/1024)/1024; |
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cache=(free/1024)/1024; |
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cache=(cache/1024)/1024; |
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#endif |
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#ifdef SOLARIS |
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if((pagesize=sysconf(_SC_PAGESIZE)) == -1){ |
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errf("Failed to get free memory (%m)"); |
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return NULL; |
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} |
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if((kstat_close(kc)) != 0){ |
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errf("Failed to close kstat control structure (%m)"); |
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return NULL; |
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} |
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total=((totalmem*pagesize)/1024)/1024; |
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free=(((kn->value.ul)*pagesize)/1024)/1024; |
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used=total-free; |
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|
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#endif |
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|
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< |
|
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< |
if((xml_memory_stats=strf("<memory><total>%ld</total><free>%ld</free><used>%ld</used><cache>%ld</cache></memory>", total, free, used, cache)) == NULL){ |
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/* casting these from a long long to a long is a KLUDGE! please fix it :) */ |
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if((xml_memory_stats=strf("<memory><total>%ld</total><free>%ld</free><used>%ld</used><cache>%ld</cache></memory>", (long)total, (long)free, (long)used, (long)cache)) == NULL){ |
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errf("strf failed (%m)"); |
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return NULL; |
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} |
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return xml_memory_stats; |
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– |
} |
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– |
|
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– |
int main(){ |
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printf("%s\n", get_memory_stats()); |
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exit(0); |
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} |
