/**
* collectd - src/openvpn.c
- * Copyright (C) 2008 Doug MacEachern
- * Copyright (C) 2009 Florian octo Forster
- * Copyright (C) 2009 Marco Chiappero
- * Copyright (C) 2009 Fabian Schuh
+ * Copyright (C) 2008 Doug MacEachern
+ * Copyright (C) 2009,2010 Florian octo Forster
+ * Copyright (C) 2009 Marco Chiappero
+ * Copyright (C) 2009 Fabian Schuh
*
* 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
*
* Authors:
* Doug MacEachern <dougm at hyperic.com>
- * Florian octo Forster <octo at verplant.org>
+ * Florian octo Forster <octo at collectd.org>
* Marco Chiappero <marco at absence.it>
* Fabian Schuh <mail at xeroc.org>
**/
#define V1STRING "Common Name,Real Address,Bytes Received,Bytes Sent,Connected Since\n"
#define V2STRING "HEADER,CLIENT_LIST,Common Name,Real Address,Virtual Address,Bytes Received,Bytes Sent,Connected Since,Connected Since (time_t)\n"
#define V3STRING "HEADER CLIENT_LIST Common Name Real Address Virtual Address Bytes Received Bytes Sent Connected Since Connected Since (time_t)\n"
+#define V4STRING "HEADER,CLIENT_LIST,Common Name,Real Address,Virtual Address,Bytes Received,Bytes Sent,Connected Since,Connected Since (time_t),Username\n"
#define VSSTRING "OpenVPN STATISTICS\n"
MULTI1 = 1, /* status-version 1 */
MULTI2, /* status-version 2 */
MULTI3, /* status-version 3 */
+ MULTI4, /* status-version 4 */
SINGLE = 10 /* currently no versions for single mode, maybe in the future */
} version;
char *name;
} /* void numusers_submit */
/* dispatches stats about traffic (TCP or UDP) generated by the tunnel per single endpoint */
-static void iostats_submit (char *pinst, char *tinst, counter_t rx, counter_t tx)
+static void iostats_submit (char *pinst, char *tinst, derive_t rx, derive_t tx)
{
value_t values[2];
value_list_t vl = VALUE_LIST_INIT;
- values[0].counter = rx;
- values[1].counter = tx;
+ values[0].derive = rx;
+ values[1].derive = tx;
/* NOTE ON THE NEW NAMING SCHEMA:
* using plugin_instance to identify each vpn config (and
/* dispatches stats about data compression shown when in single mode */
static void compression_submit (char *pinst, char *tinst,
- counter_t uncompressed, counter_t compressed)
+ derive_t uncompressed, derive_t compressed)
{
value_t values[2];
value_list_t vl = VALUE_LIST_INIT;
- values[0].counter = uncompressed;
- values[1].counter = compressed;
+ values[0].derive = uncompressed;
+ values[1].derive = compressed;
vl.values = values;
vl.values_len = STATIC_ARRAY_SIZE (values);
const int max_fields = STATIC_ARRAY_SIZE (fields);
int fields_num, read = 0;
- counter_t link_rx, link_tx;
- counter_t tun_rx, tun_tx;
- counter_t pre_compress, post_compress;
- counter_t pre_decompress, post_decompress;
- counter_t overhead_rx, overhead_tx;
+ derive_t link_rx, link_tx;
+ derive_t tun_rx, tun_tx;
+ derive_t pre_compress, post_compress;
+ derive_t pre_decompress, post_decompress;
+ derive_t overhead_rx, overhead_tx;
link_rx = 0;
link_tx = 0;
return (read);
} /* int multi3_read */
+/* for reading status version 4 */
+static int multi4_read (char *name, FILE *fh)
+{
+ char buffer[1024];
+ char *fields[11];
+ const int max_fields = STATIC_ARRAY_SIZE (fields);
+ int fields_num, read = 0;
+ long long sum_users = 0;
+
+ while (fgets (buffer, sizeof (buffer), fh) != NULL)
+ {
+ fields_num = openvpn_strsplit (buffer, fields, max_fields);
+
+ /* status file is generated by openvpn/multi.c:multi_print_status()
+ * http://svn.openvpn.net/projects/openvpn/trunk/openvpn/multi.c
+ *
+ * The line we're expecting has 9 fields. We ignore all lines
+ * with more or less fields.
+ */
+ if (fields_num != 9)
+ continue;
+
+
+ if (strcmp (fields[0], "CLIENT_LIST") != 0)
+ continue;
+
+
+ if (collect_user_count)
+ /* If so, sum all users, ignore the individuals*/
+ {
+ sum_users += 1;
+ }
+ if (collect_individual_users)
+ {
+ if (new_naming_schema)
+ {
+ /* plugin inst = file name, type inst = fields[1] */
+ iostats_submit (name, /* vpn instance */
+ fields[1], /* "Common Name" */
+ atoll (fields[4]), /* "Bytes Received" */
+ atoll (fields[5])); /* "Bytes Sent" */
+ }
+ else
+ {
+ /* plugin inst = fields[1], type inst = "" */
+ iostats_submit (fields[1], /* "Common Name" */
+ NULL, /* unused when in multimode */
+ atoll (fields[4]), /* "Bytes Received" */
+ atoll (fields[5])); /* "Bytes Sent" */
+ }
+ }
+
+ read = 1;
+ }
+
+ if (collect_user_count)
+ {
+ numusers_submit(name, name, sum_users);
+ read = 1;
+ }
+
+ return (read);
+} /* int multi4_read */
+
/* read callback */
static int openvpn_read (void)
{
FILE *fh;
- int i, read;
+ int i, vpn_read, read;
- read = 0;
+ vpn_read = read = 0;
/* call the right read function for every status entry in the list */
for (i = 0; i < vpn_num; i++)
switch (vpn_list[i]->version)
{
case SINGLE:
- read = single_read(vpn_list[i]->name, fh);
+ vpn_read = single_read(vpn_list[i]->name, fh);
break;
case MULTI1:
- read = multi1_read(vpn_list[i]->name, fh);
+ vpn_read = multi1_read(vpn_list[i]->name, fh);
break;
case MULTI2:
- read = multi2_read(vpn_list[i]->name, fh);
+ vpn_read = multi2_read(vpn_list[i]->name, fh);
break;
case MULTI3:
- read = multi3_read(vpn_list[i]->name, fh);
+ vpn_read = multi3_read(vpn_list[i]->name, fh);
+ break;
+
+ case MULTI4:
+ vpn_read = multi4_read(vpn_list[i]->name, fh);
break;
}
fclose (fh);
+ read += vpn_read;
}
return (read ? 0 : -1);
version = MULTI3;
break;
}
+ /* searching for multi version 4 */
+ else if (strcmp (buffer, V4STRING) == 0)
+ {
+ DEBUG ("openvpn plugin: found status file version MULTI4");
+ version = MULTI4;
+ break;
+ }
}
if (version == 0)