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path: root/src/pmdas/linux/proc_net_sockstat.c
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Diffstat (limited to 'src/pmdas/linux/proc_net_sockstat.c')
-rw-r--r--src/pmdas/linux/proc_net_sockstat.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/pmdas/linux/proc_net_sockstat.c b/src/pmdas/linux/proc_net_sockstat.c
new file mode 100644
index 0000000..94f5a79
--- /dev/null
+++ b/src/pmdas/linux/proc_net_sockstat.c
@@ -0,0 +1,65 @@
+/*
+ * 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;
+}