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/*
* Copyright (c) 2014 Red Hat.
* Copyright (c) 2000,2004 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "pmapi.h"
#include "pmda.h"
#include "indom.h"
#include "proc_net_sockstat.h"
int
refresh_proc_net_sockstat(proc_net_sockstat_t *proc_net_sockstat)
{
char buf[1024];
char fmt[64];
FILE *fp;
if ((fp = linux_statsfile("/proc/net/sockstat", buf, sizeof(buf))) == NULL)
return -oserror();
while (fgets(buf, sizeof(buf), fp) != NULL) {
if (strncmp(buf, "TCP:", 4) == 0) {
sscanf(buf, "%s %s %d %s %d", fmt, fmt,
&proc_net_sockstat->tcp[_PM_SOCKSTAT_INUSE], fmt,
&proc_net_sockstat->tcp[_PM_SOCKSTAT_HIGHEST]);
proc_net_sockstat->tcp[_PM_SOCKSTAT_UTIL] =
proc_net_sockstat->tcp[_PM_SOCKSTAT_HIGHEST] != 0 ?
100 * proc_net_sockstat->tcp[_PM_SOCKSTAT_INUSE] /
proc_net_sockstat->tcp[_PM_SOCKSTAT_HIGHEST] : 0;
}
else
if (strncmp(buf, "UDP:", 4) == 0) {
sscanf(buf, "%s %s %d %s %d", fmt, fmt,
&proc_net_sockstat->udp[_PM_SOCKSTAT_INUSE], fmt,
&proc_net_sockstat->udp[_PM_SOCKSTAT_HIGHEST]);
proc_net_sockstat->udp[_PM_SOCKSTAT_UTIL] =
proc_net_sockstat->udp[_PM_SOCKSTAT_HIGHEST] != 0 ?
100 * proc_net_sockstat->udp[_PM_SOCKSTAT_INUSE] /
proc_net_sockstat->udp[_PM_SOCKSTAT_HIGHEST] : 0;
}
else
if (strncmp(buf, "RAW:", 4) == 0) {
sscanf(buf, "%s %s %d %s %d", fmt, fmt,
&proc_net_sockstat->raw[_PM_SOCKSTAT_INUSE], fmt,
&proc_net_sockstat->raw[_PM_SOCKSTAT_HIGHEST]);
proc_net_sockstat->raw[_PM_SOCKSTAT_UTIL] =
proc_net_sockstat->raw[_PM_SOCKSTAT_HIGHEST] != 0 ?
100 * proc_net_sockstat->raw[_PM_SOCKSTAT_INUSE] /
proc_net_sockstat->raw[_PM_SOCKSTAT_HIGHEST] : 0;
}
}
fclose(fp);
return 0;
}
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