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proc_net_dev.c
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proc_net_dev.c
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// SPDX-License-Identifier: GPL-3.0-or-later
#include "plugin_proc.h"
#define PLUGIN_PROC_MODULE_NETDEV_NAME "/proc/net/dev"
#define CONFIG_SECTION_PLUGIN_PROC_NETDEV "plugin:" PLUGIN_PROC_CONFIG_NAME ":" PLUGIN_PROC_MODULE_NETDEV_NAME
// As defined in https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net
const char *operstate_names[] = { "unknown", "notpresent", "down", "lowerlayerdown", "testing", "dormant", "up" };
static inline int get_operstate(char *operstate)
{
int i;
for (i = 0; i < (int) (sizeof(operstate_names) / sizeof(char *)); i++) {
if (!strcmp(operstate, operstate_names[i])) {
return i;
}
}
return 0;
}
// ----------------------------------------------------------------------------
// netdev list
static struct netdev {
char *name;
uint32_t hash;
size_t len;
// flags
int virtual;
int configured;
int enabled;
int updated;
int do_bandwidth;
int do_packets;
int do_errors;
int do_drops;
int do_fifo;
int do_compressed;
int do_events;
const char *chart_type_net_bytes;
const char *chart_type_net_packets;
const char *chart_type_net_errors;
const char *chart_type_net_fifo;
const char *chart_type_net_events;
const char *chart_type_net_drops;
const char *chart_type_net_compressed;
const char *chart_id_net_bytes;
const char *chart_id_net_packets;
const char *chart_id_net_errors;
const char *chart_id_net_fifo;
const char *chart_id_net_events;
const char *chart_id_net_drops;
const char *chart_id_net_compressed;
const char *chart_family;
int flipped;
unsigned long priority;
// data collected
kernel_uint_t rbytes;
kernel_uint_t rpackets;
kernel_uint_t rerrors;
kernel_uint_t rdrops;
kernel_uint_t rfifo;
kernel_uint_t rframe;
kernel_uint_t rcompressed;
kernel_uint_t rmulticast;
kernel_uint_t tbytes;
kernel_uint_t tpackets;
kernel_uint_t terrors;
kernel_uint_t tdrops;
kernel_uint_t tfifo;
kernel_uint_t tcollisions;
kernel_uint_t tcarrier;
kernel_uint_t tcompressed;
kernel_uint_t speed;
kernel_uint_t duplex;
kernel_uint_t operstate;
// charts
RRDSET *st_bandwidth;
RRDSET *st_packets;
RRDSET *st_errors;
RRDSET *st_drops;
RRDSET *st_fifo;
RRDSET *st_compressed;
RRDSET *st_events;
// dimensions
RRDDIM *rd_rbytes;
RRDDIM *rd_rpackets;
RRDDIM *rd_rerrors;
RRDDIM *rd_rdrops;
RRDDIM *rd_rfifo;
RRDDIM *rd_rframe;
RRDDIM *rd_rcompressed;
RRDDIM *rd_rmulticast;
RRDDIM *rd_tbytes;
RRDDIM *rd_tpackets;
RRDDIM *rd_terrors;
RRDDIM *rd_tdrops;
RRDDIM *rd_tfifo;
RRDDIM *rd_tcollisions;
RRDDIM *rd_tcarrier;
RRDDIM *rd_tcompressed;
usec_t speed_last_collected_usec;
usec_t duplex_last_collected_usec;
usec_t operstate_last_collected_usec;
char *filename_speed;
RRDSETVAR *chart_var_speed;
char *filename_duplex;
RRDSETVAR *chart_var_duplex;
char *filename_operstate;
RRDSETVAR *chart_var_operstate;
struct netdev *next;
} *netdev_root = NULL, *netdev_last_used = NULL;
static size_t netdev_added = 0, netdev_found = 0;
// ----------------------------------------------------------------------------
static void netdev_charts_release(struct netdev *d) {
if(d->st_bandwidth) rrdset_is_obsolete(d->st_bandwidth);
if(d->st_packets) rrdset_is_obsolete(d->st_packets);
if(d->st_errors) rrdset_is_obsolete(d->st_errors);
if(d->st_drops) rrdset_is_obsolete(d->st_drops);
if(d->st_fifo) rrdset_is_obsolete(d->st_fifo);
if(d->st_compressed) rrdset_is_obsolete(d->st_compressed);
if(d->st_events) rrdset_is_obsolete(d->st_events);
d->st_bandwidth = NULL;
d->st_compressed = NULL;
d->st_drops = NULL;
d->st_errors = NULL;
d->st_events = NULL;
d->st_fifo = NULL;
d->st_packets = NULL;
d->rd_rbytes = NULL;
d->rd_rpackets = NULL;
d->rd_rerrors = NULL;
d->rd_rdrops = NULL;
d->rd_rfifo = NULL;
d->rd_rframe = NULL;
d->rd_rcompressed = NULL;
d->rd_rmulticast = NULL;
d->rd_tbytes = NULL;
d->rd_tpackets = NULL;
d->rd_terrors = NULL;
d->rd_tdrops = NULL;
d->rd_tfifo = NULL;
d->rd_tcollisions = NULL;
d->rd_tcarrier = NULL;
d->rd_tcompressed = NULL;
}
static void netdev_free_chart_strings(struct netdev *d) {
freez((void *)d->chart_type_net_bytes);
freez((void *)d->chart_type_net_compressed);
freez((void *)d->chart_type_net_drops);
freez((void *)d->chart_type_net_errors);
freez((void *)d->chart_type_net_events);
freez((void *)d->chart_type_net_fifo);
freez((void *)d->chart_type_net_packets);
freez((void *)d->chart_id_net_bytes);
freez((void *)d->chart_id_net_compressed);
freez((void *)d->chart_id_net_drops);
freez((void *)d->chart_id_net_errors);
freez((void *)d->chart_id_net_events);
freez((void *)d->chart_id_net_fifo);
freez((void *)d->chart_id_net_packets);
freez((void *)d->chart_family);
}
static void netdev_free(struct netdev *d) {
netdev_charts_release(d);
netdev_free_chart_strings(d);
freez((void *)d->name);
freez((void *)d->filename_speed);
freez((void *)d->filename_duplex);
freez((void *)d->filename_operstate);
freez((void *)d);
netdev_added--;
}
// ----------------------------------------------------------------------------
// netdev renames
static struct netdev_rename {
const char *host_device;
uint32_t hash;
const char *container_device;
const char *container_name;
int processed;
struct netdev_rename *next;
} *netdev_rename_root = NULL;
static int netdev_pending_renames = 0;
static netdata_mutex_t netdev_rename_mutex = NETDATA_MUTEX_INITIALIZER;
static struct netdev_rename *netdev_rename_find(const char *host_device, uint32_t hash) {
struct netdev_rename *r;
for(r = netdev_rename_root; r ; r = r->next)
if(r->hash == hash && !strcmp(host_device, r->host_device))
return r;
return NULL;
}
// other threads can call this function to register a rename to a netdev
void netdev_rename_device_add(const char *host_device, const char *container_device, const char *container_name) {
netdata_mutex_lock(&netdev_rename_mutex);
uint32_t hash = simple_hash(host_device);
struct netdev_rename *r = netdev_rename_find(host_device, hash);
if(!r) {
r = callocz(1, sizeof(struct netdev_rename));
r->host_device = strdupz(host_device);
r->container_device = strdupz(container_device);
r->container_name = strdupz(container_name);
r->hash = hash;
r->next = netdev_rename_root;
r->processed = 0;
netdev_rename_root = r;
netdev_pending_renames++;
info("CGROUP: registered network interface rename for '%s' as '%s' under '%s'", r->host_device, r->container_device, r->container_name);
}
else {
if(strcmp(r->container_device, container_device) != 0 || strcmp(r->container_name, container_name) != 0) {
freez((void *) r->container_device);
freez((void *) r->container_name);
r->container_device = strdupz(container_device);
r->container_name = strdupz(container_name);
r->processed = 0;
netdev_pending_renames++;
info("CGROUP: altered network interface rename for '%s' as '%s' under '%s'", r->host_device, r->container_device, r->container_name);
}
}
netdata_mutex_unlock(&netdev_rename_mutex);
}
// other threads can call this function to delete a rename to a netdev
void netdev_rename_device_del(const char *host_device) {
netdata_mutex_lock(&netdev_rename_mutex);
struct netdev_rename *r, *last = NULL;
uint32_t hash = simple_hash(host_device);
for(r = netdev_rename_root; r ; last = r, r = r->next) {
if (r->hash == hash && !strcmp(host_device, r->host_device)) {
if (netdev_rename_root == r)
netdev_rename_root = r->next;
else if (last)
last->next = r->next;
if(!r->processed)
netdev_pending_renames--;
info("CGROUP: unregistered network interface rename for '%s' as '%s' under '%s'", r->host_device, r->container_device, r->container_name);
freez((void *) r->host_device);
freez((void *) r->container_name);
freez((void *) r->container_device);
freez((void *) r);
break;
}
}
netdata_mutex_unlock(&netdev_rename_mutex);
}
static inline void netdev_rename_cgroup(struct netdev *d, struct netdev_rename *r) {
info("CGROUP: renaming network interface '%s' as '%s' under '%s'", r->host_device, r->container_device, r->container_name);
netdev_charts_release(d);
netdev_free_chart_strings(d);
char buffer[RRD_ID_LENGTH_MAX + 1];
snprintfz(buffer, RRD_ID_LENGTH_MAX, "cgroup_%s", r->container_name);
d->chart_type_net_bytes = strdupz(buffer);
d->chart_type_net_compressed = strdupz(buffer);
d->chart_type_net_drops = strdupz(buffer);
d->chart_type_net_errors = strdupz(buffer);
d->chart_type_net_events = strdupz(buffer);
d->chart_type_net_fifo = strdupz(buffer);
d->chart_type_net_packets = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "net_%s", r->container_device);
d->chart_id_net_bytes = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "net_compressed_%s", r->container_device);
d->chart_id_net_compressed = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "net_drops_%s", r->container_device);
d->chart_id_net_drops = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "net_errors_%s", r->container_device);
d->chart_id_net_errors = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "net_events_%s", r->container_device);
d->chart_id_net_events = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "net_fifo_%s", r->container_device);
d->chart_id_net_fifo = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "net_packets_%s", r->container_device);
d->chart_id_net_packets = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "net %s", r->container_device);
d->chart_family = strdupz(buffer);
d->priority = NETDATA_CHART_PRIO_CGROUP_NET_IFACE;
d->flipped = 1;
}
static inline void netdev_rename(struct netdev *d) {
struct netdev_rename *r = netdev_rename_find(d->name, d->hash);
if(unlikely(r && !r->processed)) {
netdev_rename_cgroup(d, r);
r->processed = 1;
netdev_pending_renames--;
}
}
static inline void netdev_rename_lock(struct netdev *d) {
netdata_mutex_lock(&netdev_rename_mutex);
netdev_rename(d);
netdata_mutex_unlock(&netdev_rename_mutex);
}
static inline void netdev_rename_all_lock(void) {
netdata_mutex_lock(&netdev_rename_mutex);
struct netdev *d;
for(d = netdev_root; d ; d = d->next)
netdev_rename(d);
netdev_pending_renames = 0;
netdata_mutex_unlock(&netdev_rename_mutex);
}
// ----------------------------------------------------------------------------
// netdev data collection
static void netdev_cleanup() {
if(likely(netdev_found == netdev_added)) return;
netdev_added = 0;
struct netdev *d = netdev_root, *last = NULL;
while(d) {
if(unlikely(!d->updated)) {
// info("Removing network device '%s', linked after '%s'", d->name, last?last->name:"ROOT");
if(netdev_last_used == d)
netdev_last_used = last;
struct netdev *t = d;
if(d == netdev_root || !last)
netdev_root = d = d->next;
else
last->next = d = d->next;
t->next = NULL;
netdev_free(t);
}
else {
netdev_added++;
last = d;
d->updated = 0;
d = d->next;
}
}
}
static struct netdev *get_netdev(const char *name) {
struct netdev *d;
uint32_t hash = simple_hash(name);
// search it, from the last position to the end
for(d = netdev_last_used ; d ; d = d->next) {
if(unlikely(hash == d->hash && !strcmp(name, d->name))) {
netdev_last_used = d->next;
return d;
}
}
// search it from the beginning to the last position we used
for(d = netdev_root ; d != netdev_last_used ; d = d->next) {
if(unlikely(hash == d->hash && !strcmp(name, d->name))) {
netdev_last_used = d->next;
return d;
}
}
// create a new one
d = callocz(1, sizeof(struct netdev));
d->name = strdupz(name);
d->hash = simple_hash(d->name);
d->len = strlen(d->name);
d->chart_type_net_bytes = strdupz("net");
d->chart_type_net_compressed = strdupz("net_compressed");
d->chart_type_net_drops = strdupz("net_drops");
d->chart_type_net_errors = strdupz("net_errors");
d->chart_type_net_events = strdupz("net_events");
d->chart_type_net_fifo = strdupz("net_fifo");
d->chart_type_net_packets = strdupz("net_packets");
d->chart_id_net_bytes = strdupz(d->name);
d->chart_id_net_compressed = strdupz(d->name);
d->chart_id_net_drops = strdupz(d->name);
d->chart_id_net_errors = strdupz(d->name);
d->chart_id_net_events = strdupz(d->name);
d->chart_id_net_fifo = strdupz(d->name);
d->chart_id_net_packets = strdupz(d->name);
d->chart_family = strdupz(d->name);
d->priority = NETDATA_CHART_PRIO_FIRST_NET_IFACE;
netdev_rename_lock(d);
netdev_added++;
// link it to the end
if(netdev_root) {
struct netdev *e;
for(e = netdev_root; e->next ; e = e->next) ;
e->next = d;
}
else
netdev_root = d;
return d;
}
int do_proc_net_dev(int update_every, usec_t dt) {
(void)dt;
static SIMPLE_PATTERN *disabled_list = NULL;
static procfile *ff = NULL;
static int enable_new_interfaces = -1;
static int do_bandwidth = -1, do_packets = -1, do_errors = -1, do_drops = -1, do_fifo = -1, do_compressed = -1,
do_events = -1;
static char *path_to_sys_devices_virtual_net = NULL, *path_to_sys_class_net_speed = NULL,
*proc_net_dev_filename = NULL;
static char *path_to_sys_class_net_duplex = NULL;
static char *path_to_sys_class_net_operstate = NULL;
static long long int dt_to_refresh_speed = 0;
static long long int dt_to_refresh_duplex = 0;
static long long int dt_to_refresh_operstate = 0;
if(unlikely(enable_new_interfaces == -1)) {
char filename[FILENAME_MAX + 1];
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, (*netdata_configured_host_prefix)?"/proc/1/net/dev":"/proc/net/dev");
proc_net_dev_filename = config_get(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "filename to monitor", filename);
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/devices/virtual/net/%s");
path_to_sys_devices_virtual_net = config_get(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "path to get virtual interfaces", filename);
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/class/net/%s/speed");
path_to_sys_class_net_speed = config_get(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "path to get net device speed", filename);
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/class/net/%s/duplex");
path_to_sys_class_net_duplex = config_get(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "path to get net device duplex", filename);
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/class/net/%s/operstate");
path_to_sys_class_net_operstate = config_get(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "path to get net device operstate", filename);
enable_new_interfaces = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "enable new interfaces detected at runtime", CONFIG_BOOLEAN_AUTO);
do_bandwidth = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "bandwidth for all interfaces", CONFIG_BOOLEAN_AUTO);
do_packets = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "packets for all interfaces", CONFIG_BOOLEAN_AUTO);
do_errors = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "errors for all interfaces", CONFIG_BOOLEAN_AUTO);
do_drops = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "drops for all interfaces", CONFIG_BOOLEAN_AUTO);
do_fifo = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "fifo for all interfaces", CONFIG_BOOLEAN_AUTO);
do_compressed = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "compressed packets for all interfaces", CONFIG_BOOLEAN_AUTO);
do_events = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "frames, collisions, carrier counters for all interfaces", CONFIG_BOOLEAN_AUTO);
disabled_list = simple_pattern_create(config_get(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "disable by default interfaces matching", "lo fireqos* *-ifb"), NULL, SIMPLE_PATTERN_EXACT);
dt_to_refresh_speed = config_get_number(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "refresh interface speed every seconds", 10) * USEC_PER_SEC;
dt_to_refresh_duplex = config_get_number(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "refresh interface duplex every seconds", 10) * USEC_PER_SEC;
dt_to_refresh_operstate = config_get_number(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "refresh interface operstate every seconds", 10) * USEC_PER_SEC;
if (dt_to_refresh_operstate < 0)
dt_to_refresh_operstate = 0;
if (dt_to_refresh_duplex < 0)
dt_to_refresh_duplex = 0;
if (dt_to_refresh_speed < 0)
dt_to_refresh_speed = 0;
}
if(unlikely(!ff)) {
ff = procfile_open(proc_net_dev_filename, " \t,|", PROCFILE_FLAG_DEFAULT);
if(unlikely(!ff)) return 1;
}
ff = procfile_readall(ff);
if(unlikely(!ff)) return 0; // we return 0, so that we will retry to open it next time
// rename all the devices, if we have pending renames
if(unlikely(netdev_pending_renames))
netdev_rename_all_lock();
netdev_found = 0;
kernel_uint_t system_rbytes = 0;
kernel_uint_t system_tbytes = 0;
size_t lines = procfile_lines(ff), l;
for(l = 2; l < lines ;l++) {
// require 17 words on each line
if(unlikely(procfile_linewords(ff, l) < 17)) continue;
char *name = procfile_lineword(ff, l, 0);
size_t len = strlen(name);
if(name[len - 1] == ':') name[len - 1] = '\0';
struct netdev *d = get_netdev(name);
d->updated = 1;
netdev_found++;
if(unlikely(!d->configured)) {
// this is the first time we see this interface
// remember we configured it
d->configured = 1;
d->enabled = enable_new_interfaces;
if(d->enabled)
d->enabled = !simple_pattern_matches(disabled_list, d->name);
char buffer[FILENAME_MAX + 1];
snprintfz(buffer, FILENAME_MAX, path_to_sys_devices_virtual_net, d->name);
if(likely(access(buffer, R_OK) == 0)) {
d->virtual = 1;
}
else
d->virtual = 0;
if(likely(!d->virtual)) {
// set the filename to get the interface speed
snprintfz(buffer, FILENAME_MAX, path_to_sys_class_net_speed, d->name);
d->filename_speed = strdupz(buffer);
snprintfz(buffer, FILENAME_MAX, path_to_sys_class_net_duplex, d->name);
d->filename_duplex = strdupz(buffer);
snprintfz(buffer, FILENAME_MAX, path_to_sys_class_net_operstate, d->name);
d->filename_operstate = strdupz(buffer);
}
snprintfz(buffer, FILENAME_MAX, "plugin:proc:/proc/net/dev:%s", d->name);
d->enabled = config_get_boolean_ondemand(buffer, "enabled", d->enabled);
d->virtual = config_get_boolean(buffer, "virtual", d->virtual);
if(d->enabled == CONFIG_BOOLEAN_NO)
continue;
d->do_bandwidth = config_get_boolean_ondemand(buffer, "bandwidth", do_bandwidth);
d->do_packets = config_get_boolean_ondemand(buffer, "packets", do_packets);
d->do_errors = config_get_boolean_ondemand(buffer, "errors", do_errors);
d->do_drops = config_get_boolean_ondemand(buffer, "drops", do_drops);
d->do_fifo = config_get_boolean_ondemand(buffer, "fifo", do_fifo);
d->do_compressed = config_get_boolean_ondemand(buffer, "compressed", do_compressed);
d->do_events = config_get_boolean_ondemand(buffer, "events", do_events);
}
if(unlikely(!d->enabled))
continue;
if(likely(d->do_bandwidth != CONFIG_BOOLEAN_NO || !d->virtual)) {
d->rbytes = str2kernel_uint_t(procfile_lineword(ff, l, 1));
d->tbytes = str2kernel_uint_t(procfile_lineword(ff, l, 9));
if(likely(!d->virtual)) {
system_rbytes += d->rbytes;
system_tbytes += d->tbytes;
}
}
if(likely(d->do_packets != CONFIG_BOOLEAN_NO)) {
d->rpackets = str2kernel_uint_t(procfile_lineword(ff, l, 2));
d->rmulticast = str2kernel_uint_t(procfile_lineword(ff, l, 8));
d->tpackets = str2kernel_uint_t(procfile_lineword(ff, l, 10));
}
if(likely(d->do_errors != CONFIG_BOOLEAN_NO)) {
d->rerrors = str2kernel_uint_t(procfile_lineword(ff, l, 3));
d->terrors = str2kernel_uint_t(procfile_lineword(ff, l, 11));
}
if(likely(d->do_drops != CONFIG_BOOLEAN_NO)) {
d->rdrops = str2kernel_uint_t(procfile_lineword(ff, l, 4));
d->tdrops = str2kernel_uint_t(procfile_lineword(ff, l, 12));
}
if(likely(d->do_fifo != CONFIG_BOOLEAN_NO)) {
d->rfifo = str2kernel_uint_t(procfile_lineword(ff, l, 5));
d->tfifo = str2kernel_uint_t(procfile_lineword(ff, l, 13));
}
if(likely(d->do_compressed != CONFIG_BOOLEAN_NO)) {
d->rcompressed = str2kernel_uint_t(procfile_lineword(ff, l, 7));
d->tcompressed = str2kernel_uint_t(procfile_lineword(ff, l, 16));
}
if(likely(d->do_events != CONFIG_BOOLEAN_NO)) {
d->rframe = str2kernel_uint_t(procfile_lineword(ff, l, 6));
d->tcollisions = str2kernel_uint_t(procfile_lineword(ff, l, 14));
d->tcarrier = str2kernel_uint_t(procfile_lineword(ff, l, 15));
}
//info("PROC_NET_DEV: %s speed %zu, bytes %zu/%zu, packets %zu/%zu/%zu, errors %zu/%zu, drops %zu/%zu, fifo %zu/%zu, compressed %zu/%zu, rframe %zu, tcollisions %zu, tcarrier %zu"
// , d->name, d->speed
// , d->rbytes, d->tbytes
// , d->rpackets, d->tpackets, d->rmulticast
// , d->rerrors, d->terrors
// , d->rdrops, d->tdrops
// , d->rfifo, d->tfifo
// , d->rcompressed, d->tcompressed
// , d->rframe, d->tcollisions, d->tcarrier
// );
// --------------------------------------------------------------------
if(unlikely(d->do_bandwidth == CONFIG_BOOLEAN_AUTO &&
(d->rbytes || d->tbytes || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)))
d->do_bandwidth = CONFIG_BOOLEAN_YES;
if(d->do_bandwidth == CONFIG_BOOLEAN_YES) {
if(unlikely(!d->st_bandwidth)) {
d->st_bandwidth = rrdset_create_localhost(
d->chart_type_net_bytes
, d->chart_id_net_bytes
, NULL
, d->chart_family
, "net.net"
, "Bandwidth"
, "kilobits/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, d->priority
, update_every
, RRDSET_TYPE_AREA
);
d->rd_rbytes = rrddim_add(d->st_bandwidth, "received", NULL, 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
d->rd_tbytes = rrddim_add(d->st_bandwidth, "sent", NULL, -8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
if(d->flipped) {
// flip receive/trasmit
RRDDIM *td = d->rd_rbytes;
d->rd_rbytes = d->rd_tbytes;
d->rd_tbytes = td;
}
}
else rrdset_next(d->st_bandwidth);
rrddim_set_by_pointer(d->st_bandwidth, d->rd_rbytes, (collected_number)d->rbytes);
rrddim_set_by_pointer(d->st_bandwidth, d->rd_tbytes, (collected_number)d->tbytes);
rrdset_done(d->st_bandwidth);
// update the interface speed
if(d->filename_speed) {
d->speed_last_collected_usec += dt;
if(unlikely(d->speed_last_collected_usec >= (usec_t)dt_to_refresh_speed)) {
if(unlikely(!d->chart_var_speed)) {
d->chart_var_speed = rrdsetvar_custom_chart_variable_create(d->st_bandwidth, "nic_speed_max");
if(!d->chart_var_speed) {
error("Cannot create interface %s chart variable 'nic_speed_max'. Will not update its speed anymore.", d->name);
freez(d->filename_speed);
d->filename_speed = NULL;
}
}
if(d->filename_speed && d->chart_var_speed) {
if(read_single_number_file(d->filename_speed, (unsigned long long *) &d->speed)) {
error("Cannot refresh interface %s speed by reading '%s'. Will not update its speed anymore.", d->name, d->filename_speed);
freez(d->filename_speed);
d->filename_speed = NULL;
}
else {
rrdsetvar_custom_chart_variable_set(d->chart_var_speed, (calculated_number) d->speed);
d->speed_last_collected_usec = 0;
}
}
}
}
if (d->filename_duplex) {
d->duplex_last_collected_usec += dt;
if (unlikely(d->duplex_last_collected_usec >= (usec_t)dt_to_refresh_duplex)) {
if (unlikely(!d->chart_var_duplex)) {
d->chart_var_duplex = rrdsetvar_custom_chart_variable_create(d->st_bandwidth, "duplex");
if (!d->chart_var_duplex) {
error("Cannot create interface %s chart variable 'duplex'. Will not update the duplex status anymore.", d->name);
freez(d->filename_duplex);
d->filename_duplex = NULL;
}
}
if (d->filename_duplex && d->chart_var_duplex) {
char buffer[32 + 1];
if (read_file(d->filename_duplex, buffer, 32)) {
error("Cannot refresh interface %s duplex state by reading '%s'. I will stop updating it.", d->name, d->filename_duplex);
freez(d->filename_duplex);
d->filename_duplex = NULL;
} else {
// values can be unknown, half or full -- just check the first letter for speed
if (buffer[0] == 'f')
d->duplex = 2;
else if (buffer[0] == 'h')
d->duplex = 1;
else
d->duplex = 0;
rrdsetvar_custom_chart_variable_set(d->chart_var_duplex, (calculated_number)d->duplex);
d->duplex_last_collected_usec = 0;
}
}
}
}
if (d->filename_operstate) {
d->operstate_last_collected_usec += dt;
if (unlikely(d->operstate_last_collected_usec >= (usec_t)dt_to_refresh_operstate)) {
if (unlikely(!d->chart_var_operstate)) {
d->chart_var_operstate = rrdsetvar_custom_chart_variable_create(d->st_bandwidth, "operstate");
if (!d->chart_var_operstate) {
error(
"Cannot create interface %s chart variable 'operstate'. I will stop updating it.",
d->name);
freez(d->filename_operstate);
d->filename_operstate = NULL;
}
}
if (d->filename_operstate && d->chart_var_operstate) {
char buffer[32 + 1], *trimmed_buffer;
if (read_file(d->filename_operstate, buffer, 32)) {
error(
"Cannot refresh %s operstate by reading '%s'. Will not update its status anymore.",
d->name, d->filename_operstate);
freez(d->filename_operstate);
d->filename_operstate = NULL;
} else {
trimmed_buffer = trim(buffer);
d->operstate = get_operstate(trimmed_buffer);
rrdsetvar_custom_chart_variable_set(d->chart_var_operstate, (calculated_number)d->operstate);
d->operstate_last_collected_usec = 0;
}
}
}
}
}
// --------------------------------------------------------------------
if(unlikely(d->do_packets == CONFIG_BOOLEAN_AUTO &&
(d->rpackets || d->tpackets || d->rmulticast || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)))
d->do_packets = CONFIG_BOOLEAN_YES;
if(d->do_packets == CONFIG_BOOLEAN_YES) {
if(unlikely(!d->st_packets)) {
d->st_packets = rrdset_create_localhost(
d->chart_type_net_packets
, d->chart_id_net_packets
, NULL
, d->chart_family
, "net.packets"
, "Packets"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, d->priority + 1
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(d->st_packets, RRDSET_FLAG_DETAIL);
d->rd_rpackets = rrddim_add(d->st_packets, "received", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
d->rd_tpackets = rrddim_add(d->st_packets, "sent", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
d->rd_rmulticast = rrddim_add(d->st_packets, "multicast", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
if(d->flipped) {
// flip receive/trasmit
RRDDIM *td = d->rd_rpackets;
d->rd_rpackets = d->rd_tpackets;
d->rd_tpackets = td;
}
}
else rrdset_next(d->st_packets);
rrddim_set_by_pointer(d->st_packets, d->rd_rpackets, (collected_number)d->rpackets);
rrddim_set_by_pointer(d->st_packets, d->rd_tpackets, (collected_number)d->tpackets);
rrddim_set_by_pointer(d->st_packets, d->rd_rmulticast, (collected_number)d->rmulticast);
rrdset_done(d->st_packets);
}
// --------------------------------------------------------------------
if(unlikely(d->do_errors == CONFIG_BOOLEAN_AUTO &&
(d->rerrors || d->terrors || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)))
d->do_errors = CONFIG_BOOLEAN_YES;
if(d->do_errors == CONFIG_BOOLEAN_YES) {
if(unlikely(!d->st_errors)) {
d->st_errors = rrdset_create_localhost(
d->chart_type_net_errors
, d->chart_id_net_errors
, NULL
, d->chart_family
, "net.errors"
, "Interface Errors"
, "errors/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, d->priority + 2
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(d->st_errors, RRDSET_FLAG_DETAIL);
d->rd_rerrors = rrddim_add(d->st_errors, "inbound", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
d->rd_terrors = rrddim_add(d->st_errors, "outbound", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
if(d->flipped) {
// flip receive/trasmit
RRDDIM *td = d->rd_rerrors;
d->rd_rerrors = d->rd_terrors;
d->rd_terrors = td;
}
}
else rrdset_next(d->st_errors);
rrddim_set_by_pointer(d->st_errors, d->rd_rerrors, (collected_number)d->rerrors);
rrddim_set_by_pointer(d->st_errors, d->rd_terrors, (collected_number)d->terrors);
rrdset_done(d->st_errors);
}
// --------------------------------------------------------------------
if(unlikely(d->do_drops == CONFIG_BOOLEAN_AUTO &&
(d->rdrops || d->tdrops || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)))
d->do_drops = CONFIG_BOOLEAN_YES;
if(d->do_drops == CONFIG_BOOLEAN_YES) {
if(unlikely(!d->st_drops)) {
d->st_drops = rrdset_create_localhost(
d->chart_type_net_drops
, d->chart_id_net_drops
, NULL
, d->chart_family
, "net.drops"
, "Interface Drops"
, "drops/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, d->priority + 3
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(d->st_drops, RRDSET_FLAG_DETAIL);
d->rd_rdrops = rrddim_add(d->st_drops, "inbound", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
d->rd_tdrops = rrddim_add(d->st_drops, "outbound", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
if(d->flipped) {
// flip receive/trasmit
RRDDIM *td = d->rd_rdrops;
d->rd_rdrops = d->rd_tdrops;
d->rd_tdrops = td;
}
}
else rrdset_next(d->st_drops);
rrddim_set_by_pointer(d->st_drops, d->rd_rdrops, (collected_number)d->rdrops);
rrddim_set_by_pointer(d->st_drops, d->rd_tdrops, (collected_number)d->tdrops);
rrdset_done(d->st_drops);
}
// --------------------------------------------------------------------
if(unlikely(d->do_fifo == CONFIG_BOOLEAN_AUTO &&
(d->rfifo || d->tfifo || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)))
d->do_fifo = CONFIG_BOOLEAN_YES;
if(d->do_fifo == CONFIG_BOOLEAN_YES) {
if(unlikely(!d->st_fifo)) {
d->st_fifo = rrdset_create_localhost(
d->chart_type_net_fifo
, d->chart_id_net_fifo
, NULL
, d->chart_family
, "net.fifo"
, "Interface FIFO Buffer Errors"
, "errors"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, d->priority + 4
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(d->st_fifo, RRDSET_FLAG_DETAIL);
d->rd_rfifo = rrddim_add(d->st_fifo, "receive", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
d->rd_tfifo = rrddim_add(d->st_fifo, "transmit", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
if(d->flipped) {
// flip receive/trasmit
RRDDIM *td = d->rd_rfifo;
d->rd_rfifo = d->rd_tfifo;
d->rd_tfifo = td;
}
}
else rrdset_next(d->st_fifo);
rrddim_set_by_pointer(d->st_fifo, d->rd_rfifo, (collected_number)d->rfifo);
rrddim_set_by_pointer(d->st_fifo, d->rd_tfifo, (collected_number)d->tfifo);
rrdset_done(d->st_fifo);
}
// --------------------------------------------------------------------
if(unlikely(d->do_compressed == CONFIG_BOOLEAN_AUTO &&
(d->rcompressed || d->tcompressed || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)))
d->do_compressed = CONFIG_BOOLEAN_YES;
if(d->do_compressed == CONFIG_BOOLEAN_YES) {
if(unlikely(!d->st_compressed)) {
d->st_compressed = rrdset_create_localhost(
d->chart_type_net_compressed
, d->chart_id_net_compressed
, NULL
, d->chart_family
, "net.compressed"
, "Compressed Packets"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, d->priority + 5
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(d->st_compressed, RRDSET_FLAG_DETAIL);