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path: root/collectors/proc.plugin/proc_net_wireless.c
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Diffstat (limited to 'collectors/proc.plugin/proc_net_wireless.c')
-rw-r--r--collectors/proc.plugin/proc_net_wireless.c453
1 files changed, 453 insertions, 0 deletions
diff --git a/collectors/proc.plugin/proc_net_wireless.c b/collectors/proc.plugin/proc_net_wireless.c
new file mode 100644
index 0000000..32a53c6
--- /dev/null
+++ b/collectors/proc.plugin/proc_net_wireless.c
@@ -0,0 +1,453 @@
+#include <stdbool.h>
+#include "plugin_proc.h"
+
+#define PLUGIN_PROC_MODULE_NETWIRELESS_NAME "/proc/net/wireless"
+
+#define CONFIG_SECTION_PLUGIN_PROC_NETWIRELESS "plugin:" PLUGIN_PROC_CONFIG_NAME ":" PLUGIN_PROC_MODULE_NETWIRELESS_NAME
+
+
+static struct netwireless {
+ char *name;
+ uint32_t hash;
+
+ //flags
+ bool configured;
+ struct timeval updated;
+
+ int do_status;
+ int do_quality;
+ int do_discarded_packets;
+ int do_missed_beacon;
+
+ // Data collected
+ // status
+ kernel_uint_t status;
+
+ // Quality
+ calculated_number link;
+ calculated_number level;
+ calculated_number noise;
+
+ // Discarded packets
+ kernel_uint_t nwid;
+ kernel_uint_t crypt;
+ kernel_uint_t frag;
+ kernel_uint_t retry;
+ kernel_uint_t misc;
+
+ // missed beacon
+ kernel_uint_t missed_beacon;
+
+ const char *chart_id_net_status;
+ const char *chart_id_net_link;
+ const char *chart_id_net_level;
+ const char *chart_id_net_noise;
+ const char *chart_id_net_discarded_packets;
+ const char *chart_id_net_missed_beacon;
+
+ const char *chart_family;
+
+ // charts
+ // satus
+ RRDSET *st_status;
+
+ // Quality
+ RRDSET *st_link;
+ RRDSET *st_level;
+ RRDSET *st_noise;
+
+ // Discarded Packets
+ RRDSET *st_discarded_packets;
+ // Missed beacon
+ RRDSET *st_missed_beacon;
+
+ // Dimensions
+ // status
+ RRDDIM *rd_status;
+
+ // Quality
+ RRDDIM *rd_link;
+ RRDDIM *rd_level;
+ RRDDIM *rd_noise;
+
+ // Discarded packets
+ RRDDIM *rd_nwid;
+ RRDDIM *rd_crypt;
+ RRDDIM *rd_frag;
+ RRDDIM *rd_retry;
+ RRDDIM *rd_misc;
+
+ // missed beacon
+ RRDDIM *rd_missed_beacon;
+
+ struct netwireless *next;
+} *netwireless_root = NULL;
+
+static void netwireless_free_st(struct netwireless *wireless_dev)
+{
+ if (wireless_dev->st_status) rrdset_is_obsolete(wireless_dev->st_status);
+ if (wireless_dev->st_link) rrdset_is_obsolete(wireless_dev->st_link);
+ if (wireless_dev->st_level) rrdset_is_obsolete(wireless_dev->st_level);
+ if (wireless_dev->st_noise) rrdset_is_obsolete(wireless_dev->st_noise);
+ if (wireless_dev->st_discarded_packets) rrdset_is_obsolete(wireless_dev->st_discarded_packets);
+ if (wireless_dev->st_missed_beacon) rrdset_is_obsolete(wireless_dev->st_missed_beacon);
+
+ wireless_dev->st_status = NULL;
+ wireless_dev->st_link = NULL;
+ wireless_dev->st_level = NULL;
+ wireless_dev->st_noise = NULL;
+ wireless_dev->st_discarded_packets = NULL;
+ wireless_dev->st_missed_beacon = NULL;
+}
+
+static void netwireless_free(struct netwireless *wireless_dev)
+{
+ wireless_dev->next = NULL;
+ freez((void *)wireless_dev->name);
+ netwireless_free_st(wireless_dev);
+ freez((void *)wireless_dev->chart_id_net_status);
+ freez((void *)wireless_dev->chart_id_net_link);
+ freez((void *)wireless_dev->chart_id_net_level);
+ freez((void *)wireless_dev->chart_id_net_noise);
+ freez((void *)wireless_dev->chart_id_net_discarded_packets);
+ freez((void *)wireless_dev->chart_id_net_missed_beacon);
+
+ freez((void *)wireless_dev);
+}
+
+static void netwireless_cleanup(struct timeval *timestamp)
+{
+ struct netwireless *previous = NULL;
+ struct netwireless *current;
+ // search it, from begining to the end
+ for (current = netwireless_root; current;) {
+
+ if (timercmp(&current->updated, timestamp, <)) {
+ struct netwireless *to_free = current;
+ current = current->next;
+ netwireless_free(to_free);
+
+ if (previous) {
+ previous->next = current;
+ } else {
+ netwireless_root = current;
+ }
+ } else {
+ previous = current;
+ current = current->next;
+ }
+ }
+}
+
+// finds an existing interface or creates a new entry
+static struct netwireless *find_or_create_wireless(const char *name)
+{
+ struct netwireless *wireless;
+ uint32_t hash = simple_hash(name);
+
+ // search it, from begining to the end
+ for (wireless = netwireless_root ; wireless ; wireless = wireless->next) {
+ if (unlikely(hash == wireless->hash && !strcmp(name, wireless->name))) {
+ return wireless;
+ }
+ }
+
+ // create a new one
+ wireless = callocz(1, sizeof(struct netwireless));
+ wireless->name = strdupz(name);
+ wireless->hash = hash;
+
+ // link it to the end
+ if (netwireless_root) {
+ struct netwireless *last_node;
+ for (last_node = netwireless_root; last_node->next ; last_node = last_node->next);
+
+ last_node->next = wireless;
+ } else
+ netwireless_root = wireless;
+
+ return wireless;
+}
+
+static void configure_device(int do_status, int do_quality, int do_discarded_packets, int do_missed,
+ struct netwireless *wireless_dev) {
+ wireless_dev->do_status = do_status;
+ wireless_dev->do_quality = do_quality;
+ wireless_dev->do_discarded_packets = do_discarded_packets;
+ wireless_dev->do_missed_beacon = do_missed;
+ wireless_dev->configured = true;
+
+ char buffer[RRD_ID_LENGTH_MAX + 1];
+
+ snprintfz(buffer, RRD_ID_LENGTH_MAX, "%s_status", wireless_dev->name);
+ wireless_dev->chart_id_net_status = strdupz(buffer);
+
+ snprintfz(buffer, RRD_ID_LENGTH_MAX, "%s_link_quality", wireless_dev->name);
+ wireless_dev->chart_id_net_link = strdupz(buffer);
+
+ snprintfz(buffer, RRD_ID_LENGTH_MAX, "%s_signal_level", wireless_dev->name);
+ wireless_dev->chart_id_net_level = strdupz(buffer);
+
+ snprintfz(buffer, RRD_ID_LENGTH_MAX, "%s_noise_level", wireless_dev->name);
+ wireless_dev->chart_id_net_noise = strdupz(buffer);
+
+ snprintfz(buffer, RRD_ID_LENGTH_MAX, "%s_discarded_packets", wireless_dev->name);
+ wireless_dev->chart_id_net_discarded_packets = strdupz(buffer);
+
+ snprintfz(buffer, RRD_ID_LENGTH_MAX, "%s_missed_beacon", wireless_dev->name);
+ wireless_dev->chart_id_net_missed_beacon = strdupz(buffer);
+}
+
+int do_proc_net_wireless(int update_every, usec_t dt)
+{
+ UNUSED(dt);
+ static procfile *ff = NULL;
+ static int do_status, do_quality = -1, do_discarded_packets, do_beacon;
+ static char *proc_net_wireless_filename = NULL;
+
+ if (unlikely(do_quality == -1)) {
+ char filename[FILENAME_MAX + 1];
+ snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/net/wireless");
+
+ proc_net_wireless_filename = config_get(CONFIG_SECTION_PLUGIN_PROC_NETWIRELESS,"filename to monitor",
+ filename);
+
+ do_status = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETWIRELESS,
+ "status for all interfaces", CONFIG_BOOLEAN_AUTO);
+
+ do_quality = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETWIRELESS,
+ "quality for all interfaces", CONFIG_BOOLEAN_AUTO);
+
+ do_discarded_packets = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETWIRELESS,
+ "discarded packets for all interfaces",
+ CONFIG_BOOLEAN_AUTO);
+
+ do_beacon = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETWIRELESS,
+ "missed beacon for all interface", CONFIG_BOOLEAN_AUTO);
+ }
+
+ if (unlikely(!ff)) {
+ ff = procfile_open(proc_net_wireless_filename, " \t,|", PROCFILE_FLAG_DEFAULT);
+ if (unlikely(!ff)) return 1;
+ }
+
+ ff = procfile_readall(ff);
+ if (unlikely(!ff)) return 1;
+
+ size_t lines = procfile_lines(ff);
+ struct timeval timestamp;
+ size_t l;
+ gettimeofday(&timestamp, NULL);
+ for (l = 2; l < lines; l++) {
+ if (unlikely(procfile_linewords(ff, l) < 11)) continue;
+
+ char *name = procfile_lineword(ff, l, 0);
+ size_t len = strlen(name);
+ if (name[len - 1] == ':') name[len - 1] = '\0';
+
+ struct netwireless *wireless_dev = find_or_create_wireless(name);
+
+ if (unlikely(!wireless_dev->configured)) {
+ configure_device(do_status, do_quality, do_discarded_packets, do_beacon, wireless_dev);
+ }
+
+ if (likely(do_status != CONFIG_BOOLEAN_NO)) {
+ wireless_dev->status = str2kernel_uint_t(procfile_lineword(ff, l, 1));
+
+ if (unlikely(!wireless_dev->st_status)) {
+ wireless_dev->st_status = rrdset_create_localhost("wireless",
+ wireless_dev->chart_id_net_status,
+ NULL,
+ wireless_dev->name,
+ "wireless.status",
+ "Internal status reported by interface.",
+ "status",
+ PLUGIN_PROC_NAME,
+ PLUGIN_PROC_MODULE_NETWIRELESS_NAME,
+ NETDATA_CHART_PRIO_WIRELESS_IFACE,
+ update_every,
+ RRDSET_TYPE_LINE);
+ rrdset_flag_set(wireless_dev->st_status, RRDSET_FLAG_DETAIL);
+
+ wireless_dev->rd_status = rrddim_add(wireless_dev->st_status, "status", NULL, 1,
+ 1, RRD_ALGORITHM_ABSOLUTE);
+ } else {
+ rrdset_next(wireless_dev->st_status);
+ }
+
+ rrddim_set_by_pointer(wireless_dev->st_status, wireless_dev->rd_status,
+ (collected_number)wireless_dev->status);
+ rrdset_done(wireless_dev->st_status);
+ }
+
+ if (likely(do_quality != CONFIG_BOOLEAN_NO)) {
+ wireless_dev->link = str2ld(procfile_lineword(ff, l, 2), NULL);
+ wireless_dev->level = str2ld(procfile_lineword(ff, l, 3), NULL);
+ wireless_dev->noise = str2ld(procfile_lineword(ff, l, 4), NULL);
+
+ if (unlikely(!wireless_dev->st_link)) {
+ wireless_dev->st_link = rrdset_create_localhost("wireless",
+ wireless_dev->chart_id_net_link,
+ NULL,
+ wireless_dev->name,
+ "wireless.link_quality",
+ "Overall quality of the link. This is an aggregate value, and depends on the driver and hardware.",
+ "value",
+ PLUGIN_PROC_NAME,
+ PLUGIN_PROC_MODULE_NETWIRELESS_NAME,
+ NETDATA_CHART_PRIO_WIRELESS_IFACE + 1,
+ update_every,
+ RRDSET_TYPE_LINE);
+ rrdset_flag_set(wireless_dev->st_link, RRDSET_FLAG_DETAIL);
+
+ wireless_dev->rd_link = rrddim_add(wireless_dev->st_link, "link_quality", NULL, 1, 1,
+ RRD_ALGORITHM_ABSOLUTE);
+ } else {
+ rrdset_next(wireless_dev->st_link);
+ }
+
+ if (unlikely(!wireless_dev->st_level)) {
+ wireless_dev->st_level = rrdset_create_localhost("wireless",
+ wireless_dev->chart_id_net_level,
+ NULL,
+ wireless_dev->name,
+ "wireless.signal_level",
+ "The signal level is the wireless signal power level received by the wireless client. The closer the value is to 0, the stronger the signal.",
+ "dBm",
+ PLUGIN_PROC_NAME,
+ PLUGIN_PROC_MODULE_NETWIRELESS_NAME,
+ NETDATA_CHART_PRIO_WIRELESS_IFACE + 2,
+ update_every,
+ RRDSET_TYPE_LINE);
+ rrdset_flag_set(wireless_dev->st_level, RRDSET_FLAG_DETAIL);
+
+ wireless_dev->rd_level = rrddim_add(wireless_dev->st_level, "signal_level", NULL, 1, 1,
+ RRD_ALGORITHM_ABSOLUTE);
+ } else {
+ rrdset_next(wireless_dev->st_level);
+ }
+
+ if (unlikely(!wireless_dev->st_noise)) {
+ wireless_dev->st_noise = rrdset_create_localhost("wireless",
+ wireless_dev->chart_id_net_noise,
+ NULL,
+ wireless_dev->name,
+ "wireless.noise_level",
+ "The noise level indicates the amount of background noise in your environment. The closer the value to 0, the greater the noise level.",
+ "dBm",
+ PLUGIN_PROC_NAME,
+ PLUGIN_PROC_MODULE_NETWIRELESS_NAME,
+ NETDATA_CHART_PRIO_WIRELESS_IFACE + 3,
+ update_every,
+ RRDSET_TYPE_LINE);
+ rrdset_flag_set(wireless_dev->st_noise, RRDSET_FLAG_DETAIL);
+
+ wireless_dev->rd_noise = rrddim_add(wireless_dev->st_noise, "noise_level", NULL, 1, 1,
+ RRD_ALGORITHM_ABSOLUTE);
+ } else {
+ rrdset_next(wireless_dev->st_noise);
+ }
+
+ rrddim_set_by_pointer(wireless_dev->st_link, wireless_dev->rd_link,
+ (collected_number)wireless_dev->link);
+ rrdset_done(wireless_dev->st_link);
+
+ rrddim_set_by_pointer(wireless_dev->st_level, wireless_dev->rd_level,
+ (collected_number)wireless_dev->level);
+ rrdset_done(wireless_dev->st_level);
+
+ rrddim_set_by_pointer(wireless_dev->st_noise, wireless_dev->rd_noise,
+ (collected_number)wireless_dev->noise);
+ rrdset_done(wireless_dev->st_noise);
+ }
+
+ if (likely(do_discarded_packets)) {
+ wireless_dev->nwid = str2kernel_uint_t(procfile_lineword(ff, l, 5));
+ wireless_dev->crypt = str2kernel_uint_t(procfile_lineword(ff, l, 6));
+ wireless_dev->frag = str2kernel_uint_t(procfile_lineword(ff, l, 7));
+ wireless_dev->retry = str2kernel_uint_t(procfile_lineword(ff, l, 8));
+ wireless_dev->misc = str2kernel_uint_t(procfile_lineword(ff, l, 9));
+
+ if (unlikely(!wireless_dev->st_discarded_packets)) {
+ wireless_dev->st_discarded_packets = rrdset_create_localhost("wireless",
+ wireless_dev->chart_id_net_discarded_packets,
+ NULL,
+ wireless_dev->name,
+ "wireless.discarded_packets",
+ "Packet discarded in the wireless adapter due to \"wireless\" specific problems.",
+ "packets/s",
+ PLUGIN_PROC_NAME,
+ PLUGIN_PROC_MODULE_NETWIRELESS_NAME,
+ NETDATA_CHART_PRIO_WIRELESS_IFACE + 4,
+ update_every,
+ RRDSET_TYPE_LINE);
+
+ rrdset_flag_set(wireless_dev->st_discarded_packets, RRDSET_FLAG_DETAIL);
+
+ wireless_dev->rd_nwid = rrddim_add(wireless_dev->st_discarded_packets, "nwid", NULL, 1,
+ 1, RRD_ALGORITHM_INCREMENTAL);
+ wireless_dev->rd_crypt = rrddim_add(wireless_dev->st_discarded_packets, "crypt", NULL, 1,
+ 1, RRD_ALGORITHM_INCREMENTAL);
+ wireless_dev->rd_frag = rrddim_add(wireless_dev->st_discarded_packets, "frag", NULL, 1,
+ 1, RRD_ALGORITHM_INCREMENTAL);
+ wireless_dev->rd_retry = rrddim_add(wireless_dev->st_discarded_packets, "retry", NULL, 1,
+ 1, RRD_ALGORITHM_INCREMENTAL);
+ wireless_dev->rd_misc = rrddim_add(wireless_dev->st_discarded_packets, "misc", NULL, 1,
+ 1, RRD_ALGORITHM_INCREMENTAL);
+ } else {
+ rrdset_next(wireless_dev->st_discarded_packets);
+ }
+
+ rrddim_set_by_pointer(wireless_dev->st_discarded_packets, wireless_dev->rd_nwid,
+ (collected_number)wireless_dev->nwid);
+
+ rrddim_set_by_pointer(wireless_dev->st_discarded_packets, wireless_dev->rd_crypt,
+ (collected_number)wireless_dev->crypt);
+
+ rrddim_set_by_pointer(wireless_dev->st_discarded_packets, wireless_dev->rd_frag,
+ (collected_number)wireless_dev->frag);
+
+ rrddim_set_by_pointer(wireless_dev->st_discarded_packets, wireless_dev->rd_retry,
+ (collected_number)wireless_dev->retry);
+
+ rrddim_set_by_pointer(wireless_dev->st_discarded_packets, wireless_dev->rd_misc,
+ (collected_number)wireless_dev->misc);
+
+ rrdset_done(wireless_dev->st_discarded_packets);
+ }
+
+ if (likely(do_beacon)) {
+ wireless_dev->missed_beacon = str2kernel_uint_t(procfile_lineword(ff, l, 10));
+
+ if (unlikely(!wireless_dev->st_missed_beacon)) {
+ wireless_dev->st_missed_beacon = rrdset_create_localhost("wireless",
+ wireless_dev->chart_id_net_missed_beacon,
+ NULL,
+ wireless_dev->name,
+ "wireless.missed_beacons",
+ "Number of missed beacons.",
+ "frames/s",
+ PLUGIN_PROC_NAME,
+ PLUGIN_PROC_MODULE_NETWIRELESS_NAME,
+ NETDATA_CHART_PRIO_WIRELESS_IFACE + 5,
+ update_every,
+ RRDSET_TYPE_LINE);
+ rrdset_flag_set(wireless_dev->st_missed_beacon, RRDSET_FLAG_DETAIL);
+
+ wireless_dev->rd_missed_beacon = rrddim_add(wireless_dev->st_missed_beacon, "missed_beacons",
+ NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ } else {
+ rrdset_next(wireless_dev->st_missed_beacon);
+ }
+
+ rrddim_set_by_pointer(wireless_dev->st_missed_beacon, wireless_dev->rd_missed_beacon,
+ (collected_number)wireless_dev->missed_beacon);
+ rrdset_done(wireless_dev->st_missed_beacon);
+ }
+
+ wireless_dev->updated = timestamp;
+ }
+
+ netwireless_cleanup(&timestamp);
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-08 20:41:07 +0000