/* for reading status version 2 */
static int multi2_read (const char *name, FILE *fh)
{
char buffer[1024];
char *fields[10];
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 8 fields. We ignore all lines
* with more or less fields.
*/
if (fields_num != 8)
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 multi2_read */
/* for reading status version 1 */
static int multi1_read (char *name, FILE *fh)
{
char buffer[1024];
char *fields[10];
int fields_num, read = 0, found_header = 0;
/* read the file until the "ROUTING TABLE" line is found (no more info after) */
while (fgets (buffer, sizeof (buffer), fh) != NULL)
{
if (strcmp (buffer, "ROUTING TABLE\n") == 0)
break;
if (strcmp (buffer, V1STRING) == 0)
{
found_header = 1;
continue;
}
/* skip the first lines until the client list section is found */
if (found_header == 0)
/* we can't start reading data until this string is found */
continue;
fields_num = openvpn_strsplit (buffer,
fields, STATIC_ARRAY_SIZE (fields));
if (fields_num < 4)
continue;
if (new_naming_schema)
{
iostats_submit (fields[0], /* "Common Name" */
NULL, /* unused when in multimode */
atoll (fields[2]), /* "Bytes Received" */
atoll (fields[3])); /* "Bytes Sent" */
}
else
{
iostats_submit (name, /* vpn instance */
fields[0], /* "Common Name" */
atoll (fields[2]), /* "Bytes Received" */
atoll (fields[3])); /* "Bytes Sent" */
}
read = 1;
}
return (read);
} /* int multi1_read */
/* for reading status version 3 */
static int multi3_read (char *name, FILE *fh)
{
char buffer[1024];
char *fields[15];
const int max_fields = STATIC_ARRAY_SIZE (fields);
int fields_num, read = 0;
while (fgets (buffer, sizeof (buffer), fh) != NULL)
{
fields_num = 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 12 fields. We ignore all lines
* with more or less fields.
*/
if (fields_num != 12)
{
continue;
}
else
{
if (strcmp (fields[0], "CLIENT_LIST") != 0)
continue;
if (new_naming_schema)
{
iostats_submit (name, /* vpn instance */
fields[1], /* "Common Name" */
atoll (fields[4]), /* "Bytes Received" */
atoll (fields[5])); /* "Bytes Sent" */
}
else
{
iostats_submit (fields[1], /* "Common Name" */
NULL, /* unused when in multimode */
atoll (fields[4]), /* "Bytes Received" */
atoll (fields[5])); /* "Bytes Sent" */
}
read = 1;
}
}
return (read);
} /* int multi3_read */
static int single_read (const char *name, FILE *fh)
{
char buffer[1024];
char *fields[4];
const int max_fields = STATIC_ARRAY_SIZE (fields);
int fields_num, read = 0;
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;
tun_rx = 0;
tun_tx = 0;
pre_compress = 0;
post_compress = 0;
pre_decompress = 0;
post_decompress = 0;
while (fgets (buffer, sizeof (buffer), fh) != NULL)
{
fields_num = openvpn_strsplit (buffer, fields, max_fields);
/* status file is generated by openvpn/sig.c:print_status()
* http://svn.openvpn.net/projects/openvpn/trunk/openvpn/sig.c
*
* The line we're expecting has 2 fields. We ignore all lines
* with more or less fields.
*/
if (fields_num != 2)
{
continue;
}
if (strcmp (fields[0], "TUN/TAP read bytes") == 0)
{
/* read from the system and sent over the tunnel */
tun_tx = atoll (fields[1]);
}
else if (strcmp (fields[0], "TUN/TAP write bytes") == 0)
{
/* read from the tunnel and written in the system */
tun_rx = atoll (fields[1]);
}
else if (strcmp (fields[0], "TCP/UDP read bytes") == 0)
{
link_rx = atoll (fields[1]);
}
else if (strcmp (fields[0], "TCP/UDP write bytes") == 0)
{
link_tx = atoll (fields[1]);
}
else if (strcmp (fields[0], "pre-compress bytes") == 0)
{
pre_compress = atoll (fields[1]);
}
else if (strcmp (fields[0], "post-compress bytes") == 0)
{
post_compress = atoll (fields[1]);
}
else if (strcmp (fields[0], "pre-decompress bytes") == 0)
{
pre_decompress = atoll (fields[1]);
}
else if (strcmp (fields[0], "post-decompress bytes") == 0)
{
post_decompress = atoll (fields[1]);
}
}
iostats_submit (name, "traffic", link_rx, link_tx);
/* we need to force this order to avoid negative values with these unsigned */
overhead_rx = (((link_rx - pre_decompress) + post_decompress) - tun_rx);
overhead_tx = (((link_tx - post_compress) + pre_compress) - tun_tx);
iostats_submit (name, "overhead", overhead_rx, overhead_tx);
if (collect_compression)
{
compression_submit (name, "data_in", post_decompress, pre_decompress);
compression_submit (name, "data_out", pre_compress, post_compress);
}
read = 1;
return (read);
} /* int single_read */
