/**
- * There are several data streams provided by Madwifi plugin, some are
+ * There are several data streams provided by Madwifi plugin, some are
* connected to network interface, some are connected to each node
* associated to that interface. Nodes represents other sides in
* wireless communication, for example on network interface in AP mode,
* node_stat Node statistic counters
*
* Both statistic counters have type instances for each counter returned
- * by Madwifi. See madwifi.h for content of ieee80211_nodestats,
+ * by Madwifi. See madwifi.h for content of ieee80211_nodestats,
* ieee80211_stats and ath_stats structures. Type instances use the same
* name as fields in these structures (like ns_rx_dup). Some fields are
* not reported, because they are not counters (like ns_tx_deauth_code
* or ast_tx_rssi). Fields ns_rx_bytes and ns_tx_bytes are reported as
* node_octets data stream instead of type instance of node_stat.
* Statistics are not logged when they are zero.
- *
+ *
* There are two sets of these counters - the first 'WatchList' is a
* set of counters that are individually logged. The second 'MiscList'
* is a set of counters that are summed together and the sum is logged.
- * By default, the most important statistics are in the WatchList and
+ * By default, the most important statistics are in the WatchList and
* many error statistics are in MiscList. There are also many statistics
* that are not in any of these sets, so they are not monitored by default.
* It is possible to alter these lists using configuration options:
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
#include "configfile.h"
static inline int item_watched(int i)
{
assert (i >= 0);
- assert (((size_t) i) < ((STATIC_ARRAY_SIZE (watch_items) + 1) * 32));
+ assert ((size_t) i < (STATIC_ARRAY_SIZE (watch_items) * 32));
return watch_items[i / 32] & FLAG (i);
}
static inline int item_summed(int i)
{
assert (i >= 0);
- assert (((size_t) i) < ((STATIC_ARRAY_SIZE (misc_items) + 1) * 32));
+ assert ((size_t) i < (STATIC_ARRAY_SIZE (misc_items) * 32));
return misc_items[i / 32] & FLAG (i);
}
static inline void watchlist_add (uint32_t *wl, int item)
{
assert (item >= 0);
- assert (item < ((WL_LEN + 1) * 32));
+ assert (item < WL_LEN * 32);
wl[item / 32] |= FLAG (item);
}
static inline void watchlist_remove (uint32_t *wl, int item)
{
assert (item >= 0);
- assert (item < ((WL_LEN + 1) * 32));
+ assert (item < WL_LEN * 32);
wl[item / 32] &= ~FLAG (item);
}
static inline void watchlist_set (uint32_t *wl, uint32_t val)
{
- int i;
- for (i = 0; i < WL_LEN; i++)
+ for (int i = 0; i < WL_LEN; i++)
wl[i] = val;
}
static int watchitem_find (const char *name)
{
int max = STATIC_ARRAY_SIZE (specs);
- int i;
- for (i = 0; i < max; i++)
+ for (int i = 0; i < max; i++)
if (strcasecmp (name, specs[i].name) == 0)
return i;
static int madwifi_real_init (void)
{
size_t max = STATIC_ARRAY_SIZE (specs);
- size_t i;
- for (i = 0; i < STATIC_ARRAY_SIZE (bounds); i++)
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE (bounds); i++)
bounds[i] = 0;
watchlist_set(watch_items, 0);
watchlist_set(misc_items, 0);
- for (i = 0; i < max; i++)
+ for (size_t i = 0; i < max; i++)
{
bounds[specs[i].flags & SRC_MASK] = i;
misc_items[i / 32] |= FLAG (i);
}
- for (i = 0; i < STATIC_ARRAY_SIZE (bounds); i++)
+ for (size_t i = 0; i < STATIC_ARRAY_SIZE (bounds); i++)
bounds[i]++;
return (0);
u_int32_t *vals, int vals_num)
{
char ti2[16];
- int i;
- for (i = 0; i < vals_num; i++)
+ for (int i = 0; i < vals_num; i++)
{
if (vals[i] == 0)
continue;
const char *type_name, const char *misc_name)
{
uint32_t misc = 0;
- int i;
assert (which >= 1);
assert (((size_t) which) < STATIC_ARRAY_SIZE (bounds));
- for (i = bounds[which - 1]; i < bounds[which]; i++)
+ for (int i = bounds[which - 1]; i < bounds[which]; i++)
{
uint32_t val = *(uint32_t *)(((char *) ptr) + specs[i].offset) ;
if (item_summed (i))
misc += val;
}
-
+
if (misc != 0)
submit_derive (dev, type_name, misc_name, mac, misc);
static int
process_station (int sk, const char *dev, struct ieee80211req_sta_info *si)
{
- struct iwreq iwr;
static char mac[DATA_MAX_NAME_LEN];
struct ieee80211req_sta_stats stats;
const struct ieee80211_nodestats *ns = &stats.is_stats;
if (item_watched (STAT_NODE_RSSI))
submit_gauge (dev, "node_rssi", mac, NULL, si->isi_rssi);
- memset (&iwr, 0, sizeof (iwr));
+ struct iwreq iwr = {
+ .u.data.pointer = (void *) &stats,
+ .u.data.length = sizeof (stats)
+ };
sstrncpy(iwr.ifr_name, dev, sizeof (iwr.ifr_name));
- iwr.u.data.pointer = (void *) &stats;
- iwr.u.data.length = sizeof (stats);
+
memcpy(stats.is_u.macaddr, si->isi_macaddr, IEEE80211_ADDR_LEN);
status = ioctl(sk, IEEE80211_IOCTL_STA_STATS, &iwr);
if (status < 0)
static int
process_stations (int sk, const char *dev)
{
- uint8_t buf[24*1024];
- struct iwreq iwr;
+ uint8_t buf[24*1024] = { 0 };
uint8_t *cp;
int nodes;
size_t len;
int status;
- memset (&iwr, 0, sizeof (iwr));
+ struct iwreq iwr = {
+ .u.data.pointer = (void *) buf,
+ .u.data.length = sizeof (buf)
+ };
sstrncpy (iwr.ifr_name, dev, sizeof (iwr.ifr_name));
- iwr.u.data.pointer = (void *) buf;
- iwr.u.data.length = sizeof (buf);
status = ioctl (sk, IEEE80211_IOCTL_STA_INFO, &iwr);
if (status < 0)
int status;
int num_success;
int num_fail;
-
+
if ((fh = fopen ("/proc/net/dev", "r")) == NULL)
{
WARNING ("madwifi plugin: opening /proc/net/dev failed");
/* procfs iteration is not safe because it does not check whether given
interface is madwifi interface and there are private ioctls used, which
- may do something completely different on non-madwifi devices.
+ may do something completely different on non-madwifi devices.
Therefore, it is not used unless explicitly enabled (and should be used
together with ignorelist). */
projects / collectd.git / blobdiff