static void
process_stat_struct (int which, const void *ptr, const char *dev, const char *mac,
const char *type_name, const char *misc_name)
{
uint32_t misc = 0;
int i;
assert (which >= 1);
assert (which < STATIC_ARRAY_SIZE (bounds));
for (i = bounds[which - 1]; i < bounds[which]; i++)
{
uint32_t val = *(uint32_t *)(((char *) ptr) + specs[i].offset) ;
if (item_watched (i) && (val != 0))
submit_derive (dev, type_name, specs[i].name, mac, val);
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;
int status;
macaddr_to_str (mac, sizeof (mac), si->isi_macaddr);
if (item_watched (STAT_NODE_TX_RATE))
submit_gauge (dev, "node_tx_rate", mac, NULL,
(si->isi_rates[si->isi_txrate] & IEEE80211_RATE_VAL) / 2);
if (item_watched (STAT_NODE_RSSI))
submit_gauge (dev, "node_rssi", mac, NULL, si->isi_rssi);
memset (&iwr, 0, sizeof (iwr));
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)
{
/* Silent, because not all interfaces support all ioctls. */
DEBUG ("madwifi plugin: Sending IO-control "
"IEEE80211_IOCTL_STA_STATS to device %s "
"failed with status %i.",
dev, status);
return (status);
}
/* These two stats are handled as a special case as they are
a pair of 64bit values */
if (item_watched (STAT_NODE_OCTETS))
submit_derive2 (dev, "node_octets", mac, NULL,
ns->ns_rx_bytes, ns->ns_tx_bytes);
/* This stat is handled as a special case, because it is stored
as uin64_t, but we will ignore upper half */
if (item_watched (STAT_NS_RX_BEACONS))
submit_derive (dev, "node_stat", "ns_rx_beacons", mac,
(ns->ns_rx_beacons & 0xFFFFFFFF));
/* All other node statistics */
process_stat_struct (NOD_STAT, ns, dev, mac, "node_stat", "ns_misc");
return (0);
}
static void submit_antx (const char *dev, const char *name,
u_int32_t *vals, int vals_num)
{
char ti2[16];
int i;
for (i = 0; i < vals_num; i++)
{
if (vals[i] == 0)
continue;
ssnprintf (ti2, sizeof (ti2), "%i", i);
submit_derive (dev, "ath_stat", name, ti2,
(derive_t) vals[i]);
}
}
static int apache_read_host (user_data_t *user_data) /* {{{ */
{
int i;
char *ptr;
char *saveptr;
char *lines[16];
int lines_num = 0;
char *fields[4];
int fields_num;
apache_t *st;
st = user_data->data;
assert (st->url != NULL);
/* (Assured by `config_add') */
if (st->curl == NULL)
{
int status;
status = init_host (st);
if (status != 0)
return (-1);
}
assert (st->curl != NULL);
st->apache_buffer_fill = 0;
if (curl_easy_perform (st->curl) != CURLE_OK)
{
ERROR ("apache: curl_easy_perform failed: %s",
st->apache_curl_error);
return (-1);
}
/* fallback - server_type to apache if not set at this time */
if (st->server_type == -1)
{
WARNING ("apache plugin: Unable to determine server software "
"automatically. Will assume Apache.");
st->server_type = APACHE;
}
ptr = st->apache_buffer;
saveptr = NULL;
while ((lines[lines_num] = strtok_r (ptr, "\n\r", &saveptr)) != NULL)
{
ptr = NULL;
lines_num++;
if (lines_num >= 16)
break;
}
for (i = 0; i < lines_num; i++)
{
fields_num = strsplit (lines[i], fields, 4);
if (fields_num == 3)
{
if ((strcmp (fields[0], "Total") == 0)
&& (strcmp (fields[1], "Accesses:") == 0))
submit_derive ("apache_requests", "",
atoll (fields[2]), st);
else if ((strcmp (fields[0], "Total") == 0)
&& (strcmp (fields[1], "kBytes:") == 0))
submit_derive ("apache_bytes", "",
1024LL * atoll (fields[2]), st);
}
else if (fields_num == 2)
{
if (strcmp (fields[0], "Scoreboard:") == 0)
submit_scoreboard (fields[1], st);
else if ((strcmp (fields[0], "BusyServers:") == 0) /* Apache 1.* */
|| (strcmp (fields[0], "BusyWorkers:") == 0) /* Apache 2.* */)
submit_gauge ("apache_connections", NULL, atol (fields[1]), st);
else if ((strcmp (fields[0], "IdleServers:") == 0) /* Apache 1.x */
|| (strcmp (fields[0], "IdleWorkers:") == 0) /* Apache 2.x */)
submit_gauge ("apache_idle_workers", NULL, atol (fields[1]), st);
}
}
st->apache_buffer_fill = 0;
return (0);
} /* }}} int apache_read_host */
static void submit (int cpu_num, derive_t *derives)
{
int i = 0;
if (!report_percent && report_by_cpu) {
derive_t cpu_active = 0;
for (i = 0; i < CPU_SUBMIT_ACTIVE; i++)
{
if (derives[i] == -1)
continue;
if (i != CPU_SUBMIT_IDLE)
cpu_active += derives[i];
submit_derive(cpu_num, i, derives[i]);
}
if (report_active)
submit_derive(cpu_num, CPU_SUBMIT_ACTIVE, cpu_active);
}
else /* we are reporting percents */
{
cdtime_t cdt;
gauge_t percent;
gauge_t cpu_total = 0;
gauge_t cpu_active = 0;
gauge_t local_rates[CPU_SUBMIT_MAX];
cpu_count++;
if (cpu_states_grow())
return;
memset(local_rates, 0, sizeof(local_rates));
cdt = cdtime();
for (i = 0; i < CPU_SUBMIT_ACTIVE; i++) {
value_t rate;
int index;
if (derives[i] == -1)
continue;
index = (cpu_num * CPU_SUBMIT_MAX) + i;
if (value_to_rate(&rate, derives[i], &percents[index],
DS_TYPE_DERIVE, cdt) != 0) {
local_rates[i] = -1;
continue;
}
local_rates[i] = rate.gauge;
cpu_total += rate.gauge;
if (i != CPU_SUBMIT_IDLE)
cpu_active += rate.gauge;
}
if (cpu_total == 0.0)
return;
if (report_active)
local_rates[CPU_SUBMIT_ACTIVE] = cpu_active;
for (i = 0; i < CPU_SUBMIT_MAX; i++) {
if (local_rates[i] == -1)
continue;
percent = (local_rates[i] / cpu_total) * 100;
if (report_by_cpu)
submit_percent (cpu_num, i, percent);
else {
if (agg_percents[i] == -1)
agg_percents[i] = percent;
else
agg_percents[i] += percent;
}
}
}
}
static int memcached_read (user_data_t *user_data)
{
char buf[4096];
char *fields[3];
char *ptr;
char *line;
char *saveptr;
int fields_num;
gauge_t bytes_used = NAN;
gauge_t bytes_total = NAN;
gauge_t hits = NAN;
gauge_t gets = NAN;
gauge_t incr_hits = NAN;
derive_t incr = 0;
gauge_t decr_hits = NAN;
derive_t decr = 0;
derive_t rusage_user = 0;
derive_t rusage_syst = 0;
derive_t octets_rx = 0;
derive_t octets_tx = 0;
memcached_t *st;
st = user_data->data;
/* get data from daemon */
if (memcached_query_daemon (buf, sizeof (buf), st) < 0) {
return -1;
}
#define FIELD_IS(cnst) \
(((sizeof(cnst) - 1) == name_len) && (strcmp (cnst, fields[1]) == 0))
ptr = buf;
saveptr = NULL;
while ((line = strtok_r (ptr, "\n\r", &saveptr)) != NULL)
{
int name_len;
ptr = NULL;
fields_num = strsplit(line, fields, 3);
if (fields_num != 3)
continue;
name_len = strlen(fields[1]);
if (name_len == 0)
continue;
/*
* For an explanation on these fields please refer to
* <https://github.com/memcached/memcached/blob/master/doc/protocol.txt>
*/
/*
* CPU time consumed by the memcached process
*/
if (FIELD_IS ("rusage_user"))
{
rusage_user = atoll (fields[2]);
}
else if (FIELD_IS ("rusage_system"))
{
rusage_syst = atoll(fields[2]);
}
/*
* Number of threads of this instance
*/
else if (FIELD_IS ("threads"))
{
submit_gauge2 ("ps_count", NULL, NAN, atof (fields[2]), st);
}
/*
* Number of items stored
*/
else if (FIELD_IS ("curr_items"))
{
submit_gauge ("memcached_items", "current", atof (fields[2]), st);
}
/*
* Number of bytes used and available (total - used)
*/
else if (FIELD_IS ("bytes"))
{
bytes_used = atof (fields[2]);
}
else if (FIELD_IS ("limit_maxbytes"))
{
bytes_total = atof(fields[2]);
}
/*
* Connections
*/
else if (FIELD_IS ("curr_connections"))
{
submit_gauge ("memcached_connections", "current", atof (fields[2]), st);
}
else if (FIELD_IS ("listen_disabled_num"))
{
submit_derive ("memcached_connections", "listen_disabled", atof (fields[2]), st);
}
/*
* Commands
*/
else if ((name_len > 4) && (strncmp (fields[1], "cmd_", 4) == 0))
{
const char *name = fields[1] + 4;
submit_derive ("memcached_command", name, atoll (fields[2]), st);
if (strcmp (name, "get") == 0)
gets = atof (fields[2]);
}
/*
* Increment/Decrement
*/
else if (FIELD_IS("incr_misses"))
{
derive_t incr_count = atoll (fields[2]);
submit_derive ("memcached_ops", "incr_misses", incr_count, st);
incr += incr_count;
}
else if (FIELD_IS ("incr_hits"))
{
derive_t incr_count = atoll (fields[2]);
submit_derive ("memcached_ops", "incr_hits", incr_count, st);
incr_hits = atof (fields[2]);
incr += incr_count;
}
else if (FIELD_IS ("decr_misses"))
{
derive_t decr_count = atoll (fields[2]);
submit_derive ("memcached_ops", "decr_misses", decr_count, st);
decr += decr_count;
}
else if (FIELD_IS ("decr_hits"))
{
derive_t decr_count = atoll (fields[2]);
submit_derive ("memcached_ops", "decr_hits", decr_count, st);
decr_hits = atof (fields[2]);
decr += decr_count;
}
/*
* Operations on the cache, i. e. cache hits, cache misses and evictions of items
*/
else if (FIELD_IS ("get_hits"))
{
submit_derive ("memcached_ops", "hits", atoll (fields[2]), st);
hits = atof (fields[2]);
}
else if (FIELD_IS ("get_misses"))
{
submit_derive ("memcached_ops", "misses", atoll (fields[2]), st);
}
else if (FIELD_IS ("evictions"))
{
submit_derive ("memcached_ops", "evictions", atoll (fields[2]), st);
}
/*
* Network traffic
*/
else if (FIELD_IS ("bytes_read"))
{
octets_rx = atoll (fields[2]);
}
else if (FIELD_IS ("bytes_written"))
{
octets_tx = atoll (fields[2]);
}
} /* while ((line = strtok_r (ptr, "\n\r", &saveptr)) != NULL) */
if (!isnan (bytes_used) && !isnan (bytes_total) && (bytes_used <= bytes_total))
submit_gauge2 ("df", "cache", bytes_used, bytes_total - bytes_used, st);
if ((rusage_user != 0) || (rusage_syst != 0))
submit_derive2 ("ps_cputime", NULL, rusage_user, rusage_syst, st);
if ((octets_rx != 0) || (octets_tx != 0))
submit_derive2 ("memcached_octets", NULL, octets_rx, octets_tx, st);
if (!isnan (gets) && !isnan (hits))
{
gauge_t rate = NAN;
if (gets != 0.0)
rate = 100.0 * hits / gets;
submit_gauge ("percent", "hitratio", rate, st);
}
if (!isnan (incr_hits) && incr != 0)
{
gauge_t incr_rate = 100.0 * incr_hits / incr;
submit_gauge ("percent", "incr_hitratio", incr_rate, st);
submit_derive ("memcached_ops", "incr", incr, st);
}
if (!isnan (decr_hits) && decr != 0)
{
gauge_t decr_rate = 100.0 * decr_hits / decr;
submit_gauge ("percent", "decr_hitratio", decr_rate, st);
submit_derive ("memcached_ops", "decr", decr, st);
}
return 0;
} /* int memcached_read */
static int apache_read_host (user_data_t *user_data) /* {{{ */
{
char *ptr;
char *saveptr;
char *line;
char *fields[4];
int fields_num;
apache_t *st;
st = user_data->data;
int status;
char *content_type;
static const char *text_plain = "text/plain";
assert (st->url != NULL);
/* (Assured by `config_add') */
if (st->curl == NULL)
{
status = init_host (st);
if (status != 0)
return (-1);
}
assert (st->curl != NULL);
st->apache_buffer_fill = 0;
if (curl_easy_perform (st->curl) != CURLE_OK)
{
ERROR ("apache: curl_easy_perform failed: %s",
st->apache_curl_error);
return (-1);
}
/* fallback - server_type to apache if not set at this time */
if (st->server_type == -1)
{
WARNING ("apache plugin: Unable to determine server software "
"automatically. Will assume Apache.");
st->server_type = APACHE;
}
status = curl_easy_getinfo (st->curl, CURLINFO_CONTENT_TYPE, &content_type);
if ((status == CURLE_OK) && (content_type != NULL) &&
(strncasecmp (content_type, text_plain, strlen (text_plain)) != 0))
{
WARNING ("apache plugin: `Content-Type' response header is not `%s' "
"(received: `%s'). Expecting unparseable data. Please check `URL' "
"parameter (missing `?auto' suffix ?)",
text_plain, content_type);
}
ptr = st->apache_buffer;
saveptr = NULL;
while ((line = strtok_r (ptr, "\n\r", &saveptr)) != NULL)
{
ptr = NULL;
fields_num = strsplit (line, fields, STATIC_ARRAY_SIZE (fields));
if (fields_num == 3)
{
if ((strcmp (fields[0], "Total") == 0) && (strcmp (fields[1], "Accesses:") == 0))
submit_derive ("apache_requests", "", atoll (fields[2]), st);
else if ((strcmp (fields[0], "Total") == 0) && (strcmp (fields[1], "kBytes:") == 0))
submit_derive ("apache_bytes", "", 1024LL * atoll (fields[2]), st);
}
else if (fields_num == 2)
{
if (strcmp (fields[0], "Scoreboard:") == 0)
submit_scoreboard (fields[1], st);
else if ((strcmp (fields[0], "BusyServers:") == 0) /* Apache 1.* */
|| (strcmp (fields[0], "BusyWorkers:") == 0) /* Apache 2.* */)
submit_gauge ("apache_connections", NULL, atol (fields[1]), st);
else if ((strcmp (fields[0], "IdleServers:") == 0) /* Apache 1.x */
|| (strcmp (fields[0], "IdleWorkers:") == 0) /* Apache 2.x */)
submit_gauge ("apache_idle_workers", NULL, atol (fields[1]), st);
}
}
st->apache_buffer_fill = 0;
return (0);
} /* }}} int apache_read_host */