// SPDX-License-Identifier: GPL-3.0-or-later
#include "plugin_proc.h"
#include "proc_net_dev_renames.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
#define RRDFUNCTIONS_NETDEV_HELP "View network interface statistics"
#define STATE_LENGTH_MAX 32
#define READ_RETRY_PERIOD 60 // seconds
time_t double_linked_device_collect_delay_secs = 120;
enum {
NETDEV_DUPLEX_UNKNOWN,
NETDEV_DUPLEX_HALF,
NETDEV_DUPLEX_FULL
};
static const char *get_duplex_string(int duplex) {
switch (duplex) {
case NETDEV_DUPLEX_FULL:
return "full";
case NETDEV_DUPLEX_HALF:
return "half";
default:
return "unknown";
}
}
enum {
NETDEV_OPERSTATE_UNKNOWN,
NETDEV_OPERSTATE_NOTPRESENT,
NETDEV_OPERSTATE_DOWN,
NETDEV_OPERSTATE_LOWERLAYERDOWN,
NETDEV_OPERSTATE_TESTING,
NETDEV_OPERSTATE_DORMANT,
NETDEV_OPERSTATE_UP
};
static inline int get_operstate(char *operstate) {
// As defined in https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-net
if (!strcmp(operstate, "up"))
return NETDEV_OPERSTATE_UP;
if (!strcmp(operstate, "down"))
return NETDEV_OPERSTATE_DOWN;
if (!strcmp(operstate, "notpresent"))
return NETDEV_OPERSTATE_NOTPRESENT;
if (!strcmp(operstate, "lowerlayerdown"))
return NETDEV_OPERSTATE_LOWERLAYERDOWN;
if (!strcmp(operstate, "testing"))
return NETDEV_OPERSTATE_TESTING;
if (!strcmp(operstate, "dormant"))
return NETDEV_OPERSTATE_DORMANT;
return NETDEV_OPERSTATE_UNKNOWN;
}
static const char *get_operstate_string(int operstate) {
switch (operstate) {
case NETDEV_OPERSTATE_UP:
return "up";
case NETDEV_OPERSTATE_DOWN:
return "down";
case NETDEV_OPERSTATE_NOTPRESENT:
return "notpresent";
case NETDEV_OPERSTATE_LOWERLAYERDOWN:
return "lowerlayerdown";
case NETDEV_OPERSTATE_TESTING:
return "testing";
case NETDEV_OPERSTATE_DORMANT:
return "dormant";
default:
return "unknown";
}
}
// ----------------------------------------------------------------------------
// netdev list
static struct netdev {
char *name;
uint32_t hash;
size_t len;
// flags
bool virtual;
bool configured;
int enabled;
bool updated;
bool function_ready;
bool double_linked; // iflink != ifindex
time_t discover_time;
int carrier_file_exists;
time_t carrier_file_lost_time;
int duplex_file_exists;
time_t duplex_file_lost_time;
int speed_file_exists;
time_t speed_file_lost_time;
int do_bandwidth;
int do_packets;
int do_errors;
int do_drops;
int do_fifo;
int do_compressed;
int do_events;
int do_speed;
int do_duplex;
int do_operstate;
int do_carrier;
int do_mtu;
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_type_net_speed;
const char *chart_type_net_duplex;
const char *chart_type_net_operstate;
const char *chart_type_net_carrier;
const char *chart_type_net_mtu;
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_id_net_speed;
const char *chart_id_net_duplex;
const char *chart_id_net_operstate;
const char *chart_id_net_carrier;
const char *chart_id_net_mtu;
const char *chart_ctx_net_bytes;
const char *chart_ctx_net_packets;
const char *chart_ctx_net_errors;
const char *chart_ctx_net_fifo;
const char *chart_ctx_net_events;
const char *chart_ctx_net_drops;
const char *chart_ctx_net_compressed;
const char *chart_ctx_net_speed;
const char *chart_ctx_net_duplex;
const char *chart_ctx_net_operstate;
const char *chart_ctx_net_carrier;
const char *chart_ctx_net_mtu;
const char *chart_family;
RRDLABELS *chart_labels;
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;
unsigned long long carrier;
unsigned long long mtu;
// charts
RRDSET *st_bandwidth;
RRDSET *st_packets;
RRDSET *st_errors;
RRDSET *st_drops;
RRDSET *st_fifo;
RRDSET *st_compressed;
RRDSET *st_events;
RRDSET *st_speed;
RRDSET *st_duplex;
RRDSET *st_operstate;
RRDSET *st_carrier;
RRDSET *st_mtu;
// 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;
RRDDIM *rd_speed;
RRDDIM *rd_duplex_full;
RRDDIM *rd_duplex_half;
RRDDIM *rd_duplex_unknown;
RRDDIM *rd_operstate_unknown;
RRDDIM *rd_operstate_notpresent;
RRDDIM *rd_operstate_down;
RRDDIM *rd_operstate_lowerlayerdown;
RRDDIM *rd_operstate_testing;
RRDDIM *rd_operstate_dormant;
RRDDIM *rd_operstate_up;
RRDDIM *rd_carrier_up;
RRDDIM *rd_carrier_down;
RRDDIM *rd_mtu;
char *filename_speed;
const RRDVAR_ACQUIRED *chart_var_speed;
char *filename_duplex;
char *filename_operstate;
char *filename_carrier;
char *filename_mtu;
const DICTIONARY_ITEM *cgroup_netdev_link;
struct netdev *prev, *next;
} *netdev_root = NULL;
// ----------------------------------------------------------------------------
static void netdev_charts_release(struct netdev *d) {
if(d->st_bandwidth) rrdset_is_obsolete___safe_from_collector_thread(d->st_bandwidth);
if(d->st_packets) rrdset_is_obsolete___safe_from_collector_thread(d->st_packets);
if(d->st_errors) rrdset_is_obsolete___safe_from_collector_thread(d->st_errors);
if(d->st_drops) rrdset_is_obsolete___safe_from_collector_thread(d->st_drops);
if(d->st_fifo) rrdset_is_obsolete___safe_from_collector_thread(d->st_fifo);
if(d->st_compressed) rrdset_is_obsolete___safe_from_collector_thread(d->st_compressed);
if(d->st_events) rrdset_is_obsolete___safe_from_collector_thread(d->st_events);
if(d->st_speed) rrdset_is_obsolete___safe_from_collector_thread(d->st_speed);
if(d->st_duplex) rrdset_is_obsolete___safe_from_collector_thread(d->st_duplex);
if(d->st_operstate) rrdset_is_obsolete___safe_from_collector_thread(d->st_operstate);
if(d->st_carrier) rrdset_is_obsolete___safe_from_collector_thread(d->st_carrier);
if(d->st_mtu) rrdset_is_obsolete___safe_from_collector_thread(d->st_mtu);
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->st_speed = NULL;
d->st_duplex = NULL;
d->st_operstate = NULL;
d->st_carrier = NULL;
d->st_mtu = 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;
d->rd_speed = NULL;
d->rd_duplex_full = NULL;
d->rd_duplex_half = NULL;
d->rd_duplex_unknown = NULL;
d->rd_carrier_up = NULL;
d->rd_carrier_down = NULL;
d->rd_mtu = NULL;
d->rd_operstate_unknown = NULL;
d->rd_operstate_notpresent = NULL;
d->rd_operstate_down = NULL;
d->rd_operstate_lowerlayerdown = NULL;
d->rd_operstate_testing = NULL;
d->rd_operstate_dormant = NULL;
d->rd_operstate_up = NULL;
d->chart_var_speed = 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_type_net_speed);
freez((void *)d->chart_type_net_duplex);
freez((void *)d->chart_type_net_operstate);
freez((void *)d->chart_type_net_carrier);
freez((void *)d->chart_type_net_mtu);
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_id_net_speed);
freez((void *)d->chart_id_net_duplex);
freez((void *)d->chart_id_net_operstate);
freez((void *)d->chart_id_net_carrier);
freez((void *)d->chart_id_net_mtu);
freez((void *)d->chart_ctx_net_bytes);
freez((void *)d->chart_ctx_net_compressed);
freez((void *)d->chart_ctx_net_drops);
freez((void *)d->chart_ctx_net_errors);
freez((void *)d->chart_ctx_net_events);
freez((void *)d->chart_ctx_net_fifo);
freez((void *)d->chart_ctx_net_packets);
freez((void *)d->chart_ctx_net_speed);
freez((void *)d->chart_ctx_net_duplex);
freez((void *)d->chart_ctx_net_operstate);
freez((void *)d->chart_ctx_net_carrier);
freez((void *)d->chart_ctx_net_mtu);
freez((void *)d->chart_family);
}
static void netdev_free(struct netdev *d) {
netdev_charts_release(d);
netdev_free_chart_strings(d);
rrdlabels_destroy(d->chart_labels);
cgroup_netdev_release(d->cgroup_netdev_link);
freez((void *)d->name);
freez((void *)d->filename_speed);
freez((void *)d->filename_duplex);
freez((void *)d->filename_operstate);
freez((void *)d->filename_carrier);
freez((void *)d->filename_mtu);
freez((void *)d);
}
static netdata_mutex_t netdev_mutex = NETDATA_MUTEX_INITIALIZER;
// ----------------------------------------------------------------------------
static inline void netdev_rename(struct netdev *d, struct rename_task *r) {
collector_info("CGROUP: renaming network interface '%s' as '%s' under '%s'", d->name, r->container_device, r->container_name);
netdev_charts_release(d);
netdev_free_chart_strings(d);
cgroup_netdev_release(d->cgroup_netdev_link);
d->cgroup_netdev_link = cgroup_netdev_dup(r->cgroup_netdev_link);
d->discover_time = 0;
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);
d->chart_type_net_speed = strdupz(buffer);
d->chart_type_net_duplex = strdupz(buffer);
d->chart_type_net_operstate = strdupz(buffer);
d->chart_type_net_carrier = strdupz(buffer);
d->chart_type_net_mtu = 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_speed_%s", r->container_device);
d->chart_id_net_speed = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "net_duplex_%s", r->container_device);
d->chart_id_net_duplex = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "net_operstate_%s", r->container_device);
d->chart_id_net_operstate = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "net_carrier_%s", r->container_device);
d->chart_id_net_carrier = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "net_mtu_%s", r->container_device);
d->chart_id_net_mtu = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "%scgroup.net_net", r->ctx_prefix);
d->chart_ctx_net_bytes = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "%scgroup.net_compressed", r->ctx_prefix);
d->chart_ctx_net_compressed = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "%scgroup.net_drops", r->ctx_prefix);
d->chart_ctx_net_drops = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "%scgroup.net_errors", r->ctx_prefix);
d->chart_ctx_net_errors = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "%scgroup.net_events", r->ctx_prefix);
d->chart_ctx_net_events = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "%scgroup.net_fifo", r->ctx_prefix);
d->chart_ctx_net_fifo = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "%scgroup.net_packets", r->ctx_prefix);
d->chart_ctx_net_packets = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "%scgroup.net_speed", r->ctx_prefix);
d->chart_ctx_net_speed = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "%scgroup.net_duplex", r->ctx_prefix);
d->chart_ctx_net_duplex = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "%scgroup.net_operstate", r->ctx_prefix);
d->chart_ctx_net_operstate = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "%scgroup.net_carrier", r->ctx_prefix);
d->chart_ctx_net_carrier = strdupz(buffer);
snprintfz(buffer, RRD_ID_LENGTH_MAX, "%scgroup.net_mtu", r->ctx_prefix);
d->chart_ctx_net_mtu = strdupz(buffer);
d->chart_family = strdupz("net");
rrdlabels_copy(d->chart_labels, r->chart_labels);
rrdlabels_add(d->chart_labels, "container_device", r->container_device, RRDLABEL_SRC_AUTO);
d->priority = NETDATA_CHART_PRIO_CGROUP_NET_IFACE;
d->flipped = 1;
}
static void netdev_rename_this_device(struct netdev *d) {
const DICTIONARY_ITEM *item = dictionary_get_and_acquire_item(netdev_renames, d->name);
if(item) {
struct rename_task *r = dictionary_acquired_item_value(item);
netdev_rename(d, r);
dictionary_acquired_item_release(netdev_renames, item);
}
}
// ----------------------------------------------------------------------------
static int netdev_function_net_interfaces(BUFFER *wb, const char *function __maybe_unused, BUFFER *payload __maybe_unused, const char *source __maybe_unused) {
buffer_flush(wb);
wb->content_type = CT_APPLICATION_JSON;
buffer_json_initialize(wb, "\"", "\"", 0, true, BUFFER_JSON_OPTIONS_DEFAULT);
buffer_json_member_add_string(wb, "hostname", rrdhost_hostname(localhost));
buffer_json_member_add_uint64(wb, "status", HTTP_RESP_OK);
buffer_json_member_add_string(wb, "type", "table");
buffer_json_member_add_time_t(wb, "update_every", 1);
buffer_json_member_add_boolean(wb, "has_history", false);
buffer_json_member_add_string(wb, "help", RRDFUNCTIONS_NETDEV_HELP);
buffer_json_member_add_array(wb, "data");
double max_traffic_rx = 0.0;
double max_traffic_tx = 0.0;
double max_traffic = 0.0;
double max_packets_rx = 0.0;
double max_packets_tx = 0.0;
double max_mcast_rx = 0.0;
double max_drops_rx = 0.0;
double max_drops_tx = 0.0;
netdata_mutex_lock(&netdev_mutex);
RRDDIM *rd = NULL;
for (struct netdev *d = netdev_root; d ; d = d->next) {
if (unlikely(!d->function_ready))
continue;
buffer_json_add_array_item_array(wb);
buffer_json_add_array_item_string(wb, d->name);
buffer_json_add_array_item_string(wb, d->virtual ? "virtual" : "physical");
buffer_json_add_array_item_string(wb, d->flipped ? "cgroup" : "host");
buffer_json_add_array_item_string(wb, d->carrier == 1 ? "up" : "down");
buffer_json_add_array_item_string(wb, get_operstate_string(d->operstate));
buffer_json_add_array_item_string(wb, get_duplex_string(d->duplex));
buffer_json_add_array_item_double(wb, d->speed > 0 ? d->speed : NAN);
buffer_json_add_array_item_double(wb, d->mtu > 0 ? d->mtu : NAN);
rd = d->flipped ? d->rd_tbytes : d->rd_rbytes;
double traffic_rx = rrddim_get_last_stored_value(rd, &max_traffic_rx, 1000.0);
rd = d->flipped ? d->rd_rbytes : d->rd_tbytes;
double traffic_tx = rrddim_get_last_stored_value(rd, &max_traffic_tx, 1000.0);
rd = d->flipped ? d->rd_tpackets : d->rd_rpackets;
double packets_rx = rrddim_get_last_stored_value(rd, &max_packets_rx, 1000.0);
rd = d->flipped ? d->rd_rpackets : d->rd_tpackets;
double packets_tx = rrddim_get_last_stored_value(rd, &max_packets_tx, 1000.0);
double mcast_rx = rrddim_get_last_stored_value(d->rd_rmulticast, &max_mcast_rx, 1000.0);
rd = d->flipped ? d->rd_tdrops : d->rd_rdrops;
double drops_rx = rrddim_get_last_stored_value(rd, &max_drops_rx, 1.0);
rd = d->flipped ? d->rd_rdrops : d->rd_tdrops;
double drops_tx = rrddim_get_last_stored_value(rd, &max_drops_tx, 1.0);
// FIXME: "traffic" (total) is needed only for default_sorting
// can be removed when default_sorting will accept multiple columns (sum)
double traffic = NAN;
if (!isnan(traffic_rx) && !isnan(traffic_tx)) {
traffic = traffic_rx + traffic_tx;
max_traffic = MAX(max_traffic, traffic);
}
buffer_json_add_array_item_double(wb, traffic_rx);
buffer_json_add_array_item_double(wb, traffic_tx);
buffer_json_add_array_item_double(wb, traffic);
buffer_json_add_array_item_double(wb, packets_rx);
buffer_json_add_array_item_double(wb, packets_tx);
buffer_json_add_array_item_double(wb, mcast_rx);
buffer_json_add_array_item_double(wb, drops_rx);
buffer_json_add_array_item_double(wb, drops_tx);
buffer_json_add_array_item_object(wb);
{
buffer_json_member_add_string(wb, "severity", drops_rx + drops_tx > 0 ? "warning" : "normal");
}
buffer_json_object_close(wb);
buffer_json_array_close(wb);
}
netdata_mutex_unlock(&netdev_mutex);
buffer_json_array_close(wb); // data
buffer_json_member_add_object(wb, "columns");
{
size_t field_id = 0;
buffer_rrdf_table_add_field(wb, field_id++, "Interface", "Network Interface Name",
RRDF_FIELD_TYPE_STRING, RRDF_FIELD_VISUAL_VALUE, RRDF_FIELD_TRANSFORM_NONE,
0, NULL, NAN, RRDF_FIELD_SORT_ASCENDING, NULL,
RRDF_FIELD_SUMMARY_COUNT, RRDF_FIELD_FILTER_MULTISELECT,
RRDF_FIELD_OPTS_VISIBLE | RRDF_FIELD_OPTS_UNIQUE_KEY | RRDF_FIELD_OPTS_STICKY,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "Type", "Network Interface Type",
RRDF_FIELD_TYPE_STRING, RRDF_FIELD_VISUAL_VALUE, RRDF_FIELD_TRANSFORM_NONE,
0, NULL, NAN, RRDF_FIELD_SORT_ASCENDING, NULL,
RRDF_FIELD_SUMMARY_COUNT, RRDF_FIELD_FILTER_MULTISELECT,
RRDF_FIELD_OPTS_VISIBLE | RRDF_FIELD_OPTS_UNIQUE_KEY,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "UsedBy", "Indicates whether the network interface is used by a cgroup or by the host system",
RRDF_FIELD_TYPE_STRING, RRDF_FIELD_VISUAL_VALUE, RRDF_FIELD_TRANSFORM_NONE,
0, NULL, NAN, RRDF_FIELD_SORT_ASCENDING, NULL,
RRDF_FIELD_SUMMARY_COUNT, RRDF_FIELD_FILTER_MULTISELECT,
RRDF_FIELD_OPTS_VISIBLE | RRDF_FIELD_OPTS_UNIQUE_KEY,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "PhState", "Current Physical State",
RRDF_FIELD_TYPE_STRING, RRDF_FIELD_VISUAL_VALUE, RRDF_FIELD_TRANSFORM_NONE,
0, NULL, NAN, RRDF_FIELD_SORT_ASCENDING, NULL,
RRDF_FIELD_SUMMARY_COUNT, RRDF_FIELD_FILTER_MULTISELECT,
RRDF_FIELD_OPTS_VISIBLE | RRDF_FIELD_OPTS_UNIQUE_KEY,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "OpState", "Current Operational State",
RRDF_FIELD_TYPE_STRING, RRDF_FIELD_VISUAL_VALUE, RRDF_FIELD_TRANSFORM_NONE,
0, NULL, NAN, RRDF_FIELD_SORT_ASCENDING, NULL,
RRDF_FIELD_SUMMARY_COUNT, RRDF_FIELD_FILTER_MULTISELECT,
RRDF_FIELD_OPTS_UNIQUE_KEY,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "Duplex", "Current Duplex Mode",
RRDF_FIELD_TYPE_STRING, RRDF_FIELD_VISUAL_VALUE, RRDF_FIELD_TRANSFORM_NONE,
0, NULL, NAN, RRDF_FIELD_SORT_ASCENDING, NULL,
RRDF_FIELD_SUMMARY_COUNT, RRDF_FIELD_FILTER_MULTISELECT,
RRDF_FIELD_OPTS_UNIQUE_KEY,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "Speed", "Current Link Speed",
RRDF_FIELD_TYPE_BAR_WITH_INTEGER, RRDF_FIELD_VISUAL_VALUE, RRDF_FIELD_TRANSFORM_NUMBER,
0, "Mbit", NAN, RRDF_FIELD_SORT_DESCENDING, NULL,
RRDF_FIELD_SUMMARY_COUNT, RRDF_FIELD_FILTER_MULTISELECT,
RRDF_FIELD_OPTS_UNIQUE_KEY,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "MTU", "Maximum Transmission Unit",
RRDF_FIELD_TYPE_BAR_WITH_INTEGER, RRDF_FIELD_VISUAL_VALUE, RRDF_FIELD_TRANSFORM_NUMBER,
0, "Octets", NAN, RRDF_FIELD_SORT_DESCENDING, NULL,
RRDF_FIELD_SUMMARY_COUNT, RRDF_FIELD_FILTER_MULTISELECT,
RRDF_FIELD_OPTS_UNIQUE_KEY,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "In", "Traffic Received",
RRDF_FIELD_TYPE_BAR_WITH_INTEGER, RRDF_FIELD_VISUAL_BAR, RRDF_FIELD_TRANSFORM_NUMBER,
2, "Mbit", max_traffic_rx, RRDF_FIELD_SORT_DESCENDING, NULL,
RRDF_FIELD_SUMMARY_SUM, RRDF_FIELD_FILTER_NONE,
RRDF_FIELD_OPTS_VISIBLE,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "Out", "Traffic Sent",
RRDF_FIELD_TYPE_BAR_WITH_INTEGER, RRDF_FIELD_VISUAL_BAR, RRDF_FIELD_TRANSFORM_NUMBER,
2, "Mbit", max_traffic_tx, RRDF_FIELD_SORT_DESCENDING, NULL,
RRDF_FIELD_SUMMARY_SUM, RRDF_FIELD_FILTER_NONE,
RRDF_FIELD_OPTS_VISIBLE,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "Total", "Traffic Received and Sent",
RRDF_FIELD_TYPE_BAR_WITH_INTEGER, RRDF_FIELD_VISUAL_BAR, RRDF_FIELD_TRANSFORM_NUMBER,
2, "Mbit", max_traffic, RRDF_FIELD_SORT_DESCENDING, NULL,
RRDF_FIELD_SUMMARY_SUM, RRDF_FIELD_FILTER_NONE,
RRDF_FIELD_OPTS_NONE,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "PktsIn", "Received Packets",
RRDF_FIELD_TYPE_BAR_WITH_INTEGER, RRDF_FIELD_VISUAL_BAR, RRDF_FIELD_TRANSFORM_NUMBER,
2, "Kpps", max_packets_rx, RRDF_FIELD_SORT_DESCENDING, NULL,
RRDF_FIELD_SUMMARY_SUM, RRDF_FIELD_FILTER_NONE,
RRDF_FIELD_OPTS_VISIBLE,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "PktsOut", "Sent Packets",
RRDF_FIELD_TYPE_BAR_WITH_INTEGER, RRDF_FIELD_VISUAL_BAR, RRDF_FIELD_TRANSFORM_NUMBER,
2, "Kpps", max_packets_tx, RRDF_FIELD_SORT_DESCENDING, NULL,
RRDF_FIELD_SUMMARY_SUM, RRDF_FIELD_FILTER_NONE,
RRDF_FIELD_OPTS_VISIBLE,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "McastIn", "Multicast Received Packets",
RRDF_FIELD_TYPE_BAR_WITH_INTEGER, RRDF_FIELD_VISUAL_BAR, RRDF_FIELD_TRANSFORM_NUMBER,
2, "Kpps", max_mcast_rx, RRDF_FIELD_SORT_DESCENDING, NULL,
RRDF_FIELD_SUMMARY_SUM, RRDF_FIELD_FILTER_NONE,
RRDF_FIELD_OPTS_NONE,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "DropsIn", "Dropped Inbound Packets",
RRDF_FIELD_TYPE_BAR_WITH_INTEGER, RRDF_FIELD_VISUAL_BAR, RRDF_FIELD_TRANSFORM_NUMBER,
2, "Drops", max_drops_rx, RRDF_FIELD_SORT_DESCENDING, NULL,
RRDF_FIELD_SUMMARY_SUM, RRDF_FIELD_FILTER_NONE,
RRDF_FIELD_OPTS_VISIBLE,
NULL);
buffer_rrdf_table_add_field(wb, field_id++, "DropsOut", "Dropped Outbound Packets",
RRDF_FIELD_TYPE_BAR_WITH_INTEGER, RRDF_FIELD_VISUAL_BAR, RRDF_FIELD_TRANSFORM_NUMBER,
2, "Drops", max_drops_tx, RRDF_FIELD_SORT_DESCENDING, NULL,
RRDF_FIELD_SUMMARY_SUM, RRDF_FIELD_FILTER_NONE,
RRDF_FIELD_OPTS_VISIBLE,
NULL);
buffer_rrdf_table_add_field(
wb, field_id++,
"rowOptions", "rowOptions",
RRDF_FIELD_TYPE_NONE,
RRDR_FIELD_VISUAL_ROW_OPTIONS,
RRDF_FIELD_TRANSFORM_NONE, 0, NULL, NAN,
RRDF_FIELD_SORT_FIXED,
NULL,
RRDF_FIELD_SUMMARY_COUNT,
RRDF_FIELD_FILTER_NONE,
RRDF_FIELD_OPTS_DUMMY,
NULL);
}
buffer_json_object_close(wb); // columns
buffer_json_member_add_string(wb, "default_sort_column", "Total");
buffer_json_member_add_object(wb, "charts");
{
buffer_json_member_add_object(wb, "Traffic");
{
buffer_json_member_add_string(wb, "name", "Traffic");
buffer_json_member_add_string(wb, "type", "stacked-bar");
buffer_json_member_add_array(wb, "columns");
{
buffer_json_add_array_item_string(wb, "In");
buffer_json_add_array_item_string(wb, "Out");
}
buffer_json_array_close(wb);
}
buffer_json_object_close(wb);
buffer_json_member_add_object(wb, "Packets");
{
buffer_json_member_add_string(wb, "name", "Packets");
buffer_json_member_add_string(wb, "type", "stacked-bar");
buffer_json_member_add_array(wb, "columns");
{
buffer_json_add_array_item_string(wb, "PktsIn");
buffer_json_add_array_item_string(wb, "PktsOut");
}
buffer_json_array_close(wb);
}
buffer_json_object_close(wb);
}
buffer_json_object_close(wb); // charts
buffer_json_member_add_array(wb, "default_charts");
{
buffer_json_add_array_item_array(wb);
buffer_json_add_array_item_string(wb, "Traffic");
buffer_json_add_array_item_string(wb, "Interface");
buffer_json_array_close(wb);
buffer_json_add_array_item_array(wb);
buffer_json_add_array_item_string(wb, "Traffic");
buffer_json_add_array_item_string(wb, "Type");
buffer_json_array_close(wb);
}
buffer_json_array_close(wb);
buffer_json_member_add_object(wb, "group_by");
{
buffer_json_member_add_object(wb, "Type");
{
buffer_json_member_add_string(wb, "name", "Type");
buffer_json_member_add_array(wb, "columns");
{
buffer_json_add_array_item_string(wb, "Type");
}
buffer_json_array_close(wb);
}
buffer_json_object_close(wb);
buffer_json_member_add_object(wb, "UsedBy");
{
buffer_json_member_add_string(wb, "name", "UsedBy");
buffer_json_member_add_array(wb, "columns");
{
buffer_json_add_array_item_string(wb, "UsedBy");
}
buffer_json_array_close(wb);
}
buffer_json_object_close(wb);
}
buffer_json_object_close(wb); // group_by
buffer_json_member_add_time_t(wb, "expires", now_realtime_sec() + 1);
buffer_json_finalize(wb);
return HTTP_RESP_OK;
}
// netdev data collection
static void netdev_cleanup() {
struct netdev *d = netdev_root;
while(d) {
if(unlikely(!d->updated)) {
struct netdev *next = d->next; // keep the next, to continue;
DOUBLE_LINKED_LIST_REMOVE_ITEM_UNSAFE(netdev_root, d, prev, next);
netdev_free(d);
d = next;
continue;
}
d->updated = false;
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_root ; d ; d = d->next) {
if(unlikely(hash == d->hash && !strcmp(name, d->name)))
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_labels = rrdlabels_create();
d->function_ready = false;
d->double_linked = false;
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_type_net_speed = strdupz("net_speed");
d->chart_type_net_duplex = strdupz("net_duplex");
d->chart_type_net_operstate = strdupz("net_operstate");
d->chart_type_net_carrier = strdupz("net_carrier");
d->chart_type_net_mtu = strdupz("net_mtu");
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_id_net_speed = strdupz(d->name);
d->chart_id_net_duplex = strdupz(d->name);
d->chart_id_net_operstate = strdupz(d->name);
d->chart_id_net_carrier = strdupz(d->name);
d->chart_id_net_mtu = strdupz(d->name);
d->chart_ctx_net_bytes = strdupz("net.net");
d->chart_ctx_net_compressed = strdupz("net.compressed");
d->chart_ctx_net_drops = strdupz("net.drops");
d->chart_ctx_net_errors = strdupz("net.errors");
d->chart_ctx_net_events = strdupz("net.events");
d->chart_ctx_net_fifo = strdupz("net.fifo");
d->chart_ctx_net_packets = strdupz("net.packets");
d->chart_ctx_net_speed = strdupz("net.speed");
d->chart_ctx_net_duplex = strdupz("net.duplex");
d->chart_ctx_net_operstate = strdupz("net.operstate");
d->chart_ctx_net_carrier = strdupz("net.carrier");
d->chart_ctx_net_mtu = strdupz("net.mtu");
d->chart_family = strdupz(d->name);
d->priority = NETDATA_CHART_PRIO_FIRST_NET_IFACE;
DOUBLE_LINKED_LIST_APPEND_ITEM_UNSAFE(netdev_root, d, prev, next);
return d;
}
static bool is_iface_double_linked(struct netdev *d) {
char filename[FILENAME_MAX + 1];
unsigned long long iflink = 0;
unsigned long long ifindex = 0;
snprintfz(filename, FILENAME_MAX, "%s/sys/class/net/%s/iflink", netdata_configured_host_prefix, d->name);
if (read_single_number_file(filename, &iflink))
return false;
snprintfz(filename, FILENAME_MAX, "%s/sys/class/net/%s/ifindex", netdata_configured_host_prefix, d->name);
if (read_single_number_file(filename, &ifindex))
return false;
return iflink != ifindex;
}
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, do_speed = -1, do_duplex = -1, do_operstate = -1, do_carrier = -1, do_mtu = -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 char *path_to_sys_class_net_carrier = NULL;
static char *path_to_sys_class_net_mtu = NULL;
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 = strdupz(filename);
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/devices/virtual/net/%s");
path_to_sys_devices_virtual_net = strdupz(filename);
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/class/net/%s/speed");
path_to_sys_class_net_speed = strdupz(filename);
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/class/net/%s/duplex");
path_to_sys_class_net_duplex = strdupz(filename);
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/class/net/%s/operstate");
path_to_sys_class_net_operstate = strdupz(filename);
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/class/net/%s/carrier");
path_to_sys_class_net_carrier = strdupz(filename);
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/class/net/%s/mtu");
path_to_sys_class_net_mtu = strdupz(filename);
enable_new_interfaces = CONFIG_BOOLEAN_YES;
do_bandwidth = do_packets = do_errors = do_drops = do_fifo = do_events = do_speed = do_duplex = do_operstate =
do_carrier = do_mtu = CONFIG_BOOLEAN_YES;
// only CSLIP, PPP
do_compressed = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "compressed packets for all interfaces", CONFIG_BOOLEAN_NO);
disabled_list = simple_pattern_create(
config_get(CONFIG_SECTION_PLUGIN_PROC_NETDEV, "disable by default interfaces matching",
"lo fireqos* *-ifb fwpr* fwbr* fwln*"), NULL, SIMPLE_PATTERN_EXACT, true);
netdev_renames_init();
}
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
kernel_uint_t system_rbytes = 0;
kernel_uint_t system_tbytes = 0;
time_t now = now_realtime_sec();
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 = true;
if(unlikely(!d->configured)) {
// the first time we see this interface
// remember we configured it
d->configured = true;
d->discover_time = now;
d->enabled = enable_new_interfaces;
if(d->enabled)
d->enabled = !simple_pattern_matches(disabled_list, d->name);
char buf[FILENAME_MAX + 1];
snprintfz(buf, FILENAME_MAX, path_to_sys_devices_virtual_net, d->name);
d->virtual = likely(access(buf, R_OK) == 0) ? true : false;
// At least on Proxmox inside LXC: eth0 is virtual.
// Virtual interfaces are not taken into account in system.net calculations
if (inside_lxc_container && d->virtual && strncmp(d->name, "eth", 3) == 0)
d->virtual = false;
if (d->virtual)
rrdlabels_add(d->chart_labels, "interface_type", "virtual", RRDLABEL_SRC_AUTO);
else
rrdlabels_add(d->chart_labels, "interface_type", "real", RRDLABEL_SRC_AUTO);
rrdlabels_add(d->chart_labels, "device", name, RRDLABEL_SRC_AUTO);
if(likely(!d->virtual)) {
// set the filename to get the interface speed
snprintfz(buf, FILENAME_MAX, path_to_sys_class_net_speed, d->name);
d->filename_speed = strdupz(buf);
snprintfz(buf, FILENAME_MAX, path_to_sys_class_net_duplex, d->name);
d->filename_duplex = strdupz(buf);
}
snprintfz(buf, FILENAME_MAX, path_to_sys_class_net_operstate, d->name);
d->filename_operstate = strdupz(buf);
snprintfz(buf, FILENAME_MAX, path_to_sys_class_net_carrier, d->name);
d->filename_carrier = strdupz(buf);
snprintfz(buf, FILENAME_MAX, path_to_sys_class_net_mtu, d->name);
d->filename_mtu = strdupz(buf);
snprintfz(buf, FILENAME_MAX, "plugin:proc:/proc/net/dev:%s", d->name);
if (config_exists(buf, "enabled"))
d->enabled = config_get_boolean_ondemand(buf, "enabled", d->enabled);
if (config_exists(buf, "virtual"))
d->virtual = config_get_boolean(buf, "virtual", d->virtual);
if(d->enabled == CONFIG_BOOLEAN_NO)
continue;
d->double_linked = is_iface_double_linked(d);
d->do_bandwidth = do_bandwidth;
d->do_packets = do_packets;
d->do_errors = do_errors;
d->do_drops = do_drops;
d->do_fifo = do_fifo;
d->do_compressed = do_compressed;
d->do_events = do_events;
d->do_speed = do_speed;
d->do_duplex = do_duplex;
d->do_operstate = do_operstate;
d->do_carrier = do_carrier;
d->do_mtu = do_mtu;
if (config_exists(buf, "bandwidth"))
d->do_bandwidth = config_get_boolean_ondemand(buf, "bandwidth", do_bandwidth);
if (config_exists(buf, "packets"))
d->do_packets = config_get_boolean_ondemand(buf, "packets", do_packets);
if (config_exists(buf, "errors"))
d->do_errors = config_get_boolean_ondemand(buf, "errors", do_errors);
if (config_exists(buf, "drops"))
d->do_drops = config_get_boolean_ondemand(buf, "drops", do_drops);
if (config_exists(buf, "fifo"))
d->do_fifo = config_get_boolean_ondemand(buf, "fifo", do_fifo);
if (config_exists(buf, "compressed"))
d->do_compressed = config_get_boolean_ondemand(buf, "compressed", do_compressed);
if (config_exists(buf, "events"))
d->do_events = config_get_boolean_ondemand(buf, "events", do_events);
if (config_exists(buf, "speed"))
d->do_speed = config_get_boolean_ondemand(buf, "speed", do_speed);
if (config_exists(buf, "duplex"))
d->do_duplex = config_get_boolean_ondemand(buf, "duplex", do_duplex);
if (config_exists(buf, "operstate"))
d->do_operstate = config_get_boolean_ondemand(buf, "operstate", do_operstate);
if (config_exists(buf, "carrier"))
d->do_carrier = config_get_boolean_ondemand(buf, "carrier", do_carrier);
if (config_exists(buf, "mtu"))
d->do_mtu = config_get_boolean_ondemand(buf, "mtu", do_mtu);
}
if(unlikely(!d->enabled))
continue;
if(!d->cgroup_netdev_link)
netdev_rename_this_device(d);
// See https://github.com/netdata/netdata/issues/15206
// This is necessary to prevent the creation of charts for virtual interfaces that will later be
// recreated as container interfaces (create container) or
// rediscovered and recreated only to be deleted almost immediately (stop/remove container)
if (d->double_linked && d->virtual && (now - d->discover_time < double_linked_device_collect_delay_secs))
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));
}
if ((d->do_carrier != CONFIG_BOOLEAN_NO ||
d->do_duplex != CONFIG_BOOLEAN_NO ||
d->do_speed != CONFIG_BOOLEAN_NO) &&
d->filename_carrier &&
(d->carrier_file_exists ||
now_monotonic_sec() - d->carrier_file_lost_time > READ_RETRY_PERIOD)) {
if (read_single_number_file(d->filename_carrier, &d->carrier)) {
if (d->carrier_file_exists)
collector_error(
"Cannot refresh interface %s carrier state by reading '%s'. Next update is in %d seconds.",
d->name,
d->filename_carrier,
READ_RETRY_PERIOD);
d->carrier_file_exists = 0;
d->carrier_file_lost_time = now_monotonic_sec();
} else {
d->carrier_file_exists = 1;
d->carrier_file_lost_time = 0;
}
}
if (d->do_duplex != CONFIG_BOOLEAN_NO &&
d->filename_duplex &&
(d->carrier || d->carrier_file_exists) &&
(d->duplex_file_exists ||
now_monotonic_sec() - d->duplex_file_lost_time > READ_RETRY_PERIOD)) {
char buffer[STATE_LENGTH_MAX + 1];
if (read_txt_file(d->filename_duplex, buffer, sizeof(buffer))) {
if (d->duplex_file_exists)
collector_error("Cannot refresh interface %s duplex state by reading '%s'.", d->name, d->filename_duplex);
d->duplex_file_exists = 0;
d->duplex_file_lost_time = now_monotonic_sec();
d->duplex = NETDEV_DUPLEX_UNKNOWN;
} else {
// values can be unknown, half or full -- just check the first letter for speed
if (buffer[0] == 'f')
d->duplex = NETDEV_DUPLEX_FULL;
else if (buffer[0] == 'h')
d->duplex = NETDEV_DUPLEX_HALF;
else
d->duplex = NETDEV_DUPLEX_UNKNOWN;
d->duplex_file_exists = 1;
d->duplex_file_lost_time = 0;
}
} else {
d->duplex = NETDEV_DUPLEX_UNKNOWN;
}
if(d->do_operstate != CONFIG_BOOLEAN_NO && d->filename_operstate) {
char buffer[STATE_LENGTH_MAX + 1], *trimmed_buffer;
if (read_txt_file(d->filename_operstate, buffer, sizeof(buffer))) {
collector_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);
}
}
if (d->do_mtu != CONFIG_BOOLEAN_NO && d->filename_mtu) {
if (read_single_number_file(d->filename_mtu, &d->mtu)) {
collector_error(
"Cannot refresh mtu for interface %s by reading '%s'. Stop updating it.", d->name, d->filename_mtu);
freez(d->filename_mtu);
d->filename_mtu = NULL;
}
}
//collector_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 (d->do_bandwidth == CONFIG_BOOLEAN_YES || d->do_bandwidth == CONFIG_BOOLEAN_AUTO) {
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
, d->chart_ctx_net_bytes
, "Bandwidth"
, "kilobits/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, d->priority
, update_every
, RRDSET_TYPE_AREA
);
rrdset_update_rrdlabels(d->st_bandwidth, d->chart_labels);
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/transmit
RRDDIM *td = d->rd_rbytes;
d->rd_rbytes = d->rd_tbytes;
d->rd_tbytes = td;
}
}
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);
if(d->cgroup_netdev_link)
cgroup_netdev_add_bandwidth(d->cgroup_netdev_link,
d->flipped ? d->rd_tbytes->collector.last_stored_value : -d->rd_rbytes->collector.last_stored_value,
d->flipped ? -d->rd_rbytes->collector.last_stored_value : d->rd_tbytes->collector.last_stored_value);
if(unlikely(!d->chart_var_speed)) {
d->chart_var_speed = rrdvar_chart_variable_add_and_acquire(d->st_bandwidth, "nic_speed_max");
if(!d->chart_var_speed) {
collector_error(
"Cannot create interface %s chart variable 'nic_speed_max'. Will not update its speed anymore.",
d->name);
}
else {
rrdvar_chart_variable_set(d->st_bandwidth, d->chart_var_speed, NAN);
}
}
// update the interface speed
if(d->filename_speed) {
if (d->filename_speed && d->chart_var_speed) {
int ret = 0;
if ((d->carrier || d->carrier_file_exists) &&
(d->speed_file_exists || now_monotonic_sec() - d->speed_file_lost_time > READ_RETRY_PERIOD)) {
ret = read_single_number_file(d->filename_speed, (unsigned long long *) &d->speed);
} else {
d->speed = 0; // TODO: this is wrong, shouldn't use 0 value, but NULL.
}
if(ret) {
if (d->speed_file_exists)
collector_error("Cannot refresh interface %s speed by reading '%s'.", d->name, d->filename_speed);
d->speed_file_exists = 0;
d->speed_file_lost_time = now_monotonic_sec();
}
else {
if(d->do_speed != CONFIG_BOOLEAN_NO) {
if(unlikely(!d->st_speed)) {
d->st_speed = rrdset_create_localhost(
d->chart_type_net_speed
, d->chart_id_net_speed
, NULL
, d->chart_family
, d->chart_ctx_net_speed
, "Interface Speed"
, "kilobits/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, d->priority + 7
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(d->st_speed, RRDSET_FLAG_DETAIL);
rrdset_update_rrdlabels(d->st_speed, d->chart_labels);
d->rd_speed = rrddim_add(d->st_speed, "speed", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
rrddim_set_by_pointer(d->st_speed, d->rd_speed, (collected_number)d->speed * KILOBITS_IN_A_MEGABIT);
rrdset_done(d->st_speed);
}
rrdvar_chart_variable_set(
d->st_bandwidth, d->chart_var_speed, (NETDATA_DOUBLE)d->speed * KILOBITS_IN_A_MEGABIT);
if (d->speed) {
d->speed_file_exists = 1;
d->speed_file_lost_time = 0;
}
}
}
}
}
if(d->do_duplex != CONFIG_BOOLEAN_NO && d->filename_duplex) {
if(unlikely(!d->st_duplex)) {
d->st_duplex = rrdset_create_localhost(
d->chart_type_net_duplex
, d->chart_id_net_duplex
, NULL
, d->chart_family
, d->chart_ctx_net_duplex
, "Interface Duplex State"
, "state"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, d->priority + 8
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(d->st_duplex, RRDSET_FLAG_DETAIL);
rrdset_update_rrdlabels(d->st_duplex, d->chart_labels);
d->rd_duplex_full = rrddim_add(d->st_duplex, "full", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
d->rd_duplex_half = rrddim_add(d->st_duplex, "half", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
d->rd_duplex_unknown = rrddim_add(d->st_duplex, "unknown", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
rrddim_set_by_pointer(d->st_duplex, d->rd_duplex_full, (collected_number)(d->duplex == NETDEV_DUPLEX_FULL));
rrddim_set_by_pointer(d->st_duplex, d->rd_duplex_half, (collected_number)(d->duplex == NETDEV_DUPLEX_HALF));
rrddim_set_by_pointer(d->st_duplex, d->rd_duplex_unknown, (collected_number)(d->duplex == NETDEV_DUPLEX_UNKNOWN));
rrdset_done(d->st_duplex);
}
if(d->do_operstate != CONFIG_BOOLEAN_NO && d->filename_operstate) {
if(unlikely(!d->st_operstate)) {
d->st_operstate = rrdset_create_localhost(
d->chart_type_net_operstate
, d->chart_id_net_operstate
, NULL
, d->chart_family
, d->chart_ctx_net_operstate
, "Interface Operational State"
, "state"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, d->priority + 9
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(d->st_operstate, RRDSET_FLAG_DETAIL);
rrdset_update_rrdlabels(d->st_operstate, d->chart_labels);
d->rd_operstate_up = rrddim_add(d->st_operstate, "up", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
d->rd_operstate_down = rrddim_add(d->st_operstate, "down", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
d->rd_operstate_notpresent = rrddim_add(d->st_operstate, "notpresent", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
d->rd_operstate_lowerlayerdown = rrddim_add(d->st_operstate, "lowerlayerdown", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
d->rd_operstate_testing = rrddim_add(d->st_operstate, "testing", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
d->rd_operstate_dormant = rrddim_add(d->st_operstate, "dormant", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
d->rd_operstate_unknown = rrddim_add(d->st_operstate, "unknown", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
rrddim_set_by_pointer(d->st_operstate, d->rd_operstate_up, (collected_number)(d->operstate == NETDEV_OPERSTATE_UP));
rrddim_set_by_pointer(d->st_operstate, d->rd_operstate_down, (collected_number)(d->operstate == NETDEV_OPERSTATE_DOWN));
rrddim_set_by_pointer(d->st_operstate, d->rd_operstate_notpresent, (collected_number)(d->operstate == NETDEV_OPERSTATE_NOTPRESENT));
rrddim_set_by_pointer(d->st_operstate, d->rd_operstate_lowerlayerdown, (collected_number)(d->operstate == NETDEV_OPERSTATE_LOWERLAYERDOWN));
rrddim_set_by_pointer(d->st_operstate, d->rd_operstate_testing, (collected_number)(d->operstate == NETDEV_OPERSTATE_TESTING));
rrddim_set_by_pointer(d->st_operstate, d->rd_operstate_dormant, (collected_number)(d->operstate == NETDEV_OPERSTATE_DORMANT));
rrddim_set_by_pointer(d->st_operstate, d->rd_operstate_unknown, (collected_number)(d->operstate == NETDEV_OPERSTATE_UNKNOWN));
rrdset_done(d->st_operstate);
}
if(d->do_carrier != CONFIG_BOOLEAN_NO && d->carrier_file_exists) {
if(unlikely(!d->st_carrier)) {
d->st_carrier = rrdset_create_localhost(
d->chart_type_net_carrier
, d->chart_id_net_carrier
, NULL
, d->chart_family
, d->chart_ctx_net_carrier
, "Interface Physical Link State"
, "state"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, d->priority + 10
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(d->st_carrier, RRDSET_FLAG_DETAIL);
rrdset_update_rrdlabels(d->st_carrier, d->chart_labels);
d->rd_carrier_up = rrddim_add(d->st_carrier, "up", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
d->rd_carrier_down = rrddim_add(d->st_carrier, "down", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
rrddim_set_by_pointer(d->st_carrier, d->rd_carrier_up, (collected_number)(d->carrier == 1));
rrddim_set_by_pointer(d->st_carrier, d->rd_carrier_down, (collected_number)(d->carrier != 1));
rrdset_done(d->st_carrier);
}
if(d->do_mtu != CONFIG_BOOLEAN_NO && d->filename_mtu) {
if(unlikely(!d->st_mtu)) {
d->st_mtu = rrdset_create_localhost(
d->chart_type_net_mtu
, d->chart_id_net_mtu
, NULL
, d->chart_family
, d->chart_ctx_net_mtu
, "Interface MTU"
, "octets"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, d->priority + 11
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(d->st_mtu, RRDSET_FLAG_DETAIL);
rrdset_update_rrdlabels(d->st_mtu, d->chart_labels);
d->rd_mtu = rrddim_add(d->st_mtu, "mtu", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
rrddim_set_by_pointer(d->st_mtu, d->rd_mtu, (collected_number)d->mtu);
rrdset_done(d->st_mtu);
}
if (d->do_packets == CONFIG_BOOLEAN_YES || d->do_packets == CONFIG_BOOLEAN_AUTO) {
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
, d->chart_ctx_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);
rrdset_update_rrdlabels(d->st_packets, d->chart_labels);
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/transmit
RRDDIM *td = d->rd_rpackets;
d->rd_rpackets = d->rd_tpackets;
d->rd_tpackets = td;
}
}
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 (d->do_errors == CONFIG_BOOLEAN_YES || d->do_errors == CONFIG_BOOLEAN_AUTO) {
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
, d->chart_ctx_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);
rrdset_update_rrdlabels(d->st_errors, d->chart_labels);
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/transmit
RRDDIM *td = d->rd_rerrors;
d->rd_rerrors = d->rd_terrors;
d->rd_terrors = td;
}
}
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 (d->do_drops == CONFIG_BOOLEAN_YES || d->do_drops == CONFIG_BOOLEAN_AUTO) {
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
, d->chart_ctx_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);
rrdset_update_rrdlabels(d->st_drops, d->chart_labels);
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/transmit
RRDDIM *td = d->rd_rdrops;
d->rd_rdrops = d->rd_tdrops;
d->rd_tdrops = td;
}
}
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 (d->do_fifo == CONFIG_BOOLEAN_YES || d->do_fifo == CONFIG_BOOLEAN_AUTO) {
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
, d->chart_ctx_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);
rrdset_update_rrdlabels(d->st_fifo, d->chart_labels);
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/transmit
RRDDIM *td = d->rd_rfifo;
d->rd_rfifo = d->rd_tfifo;
d->rd_tfifo = td;
}
}
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 (d->do_compressed == CONFIG_BOOLEAN_YES || d->do_compressed == CONFIG_BOOLEAN_AUTO) {
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
, d->chart_ctx_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);
rrdset_update_rrdlabels(d->st_compressed, d->chart_labels);
d->rd_rcompressed = rrddim_add(d->st_compressed, "received", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
d->rd_tcompressed = rrddim_add(d->st_compressed, "sent", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
if(d->flipped) {
// flip receive/transmit
RRDDIM *td = d->rd_rcompressed;
d->rd_rcompressed = d->rd_tcompressed;
d->rd_tcompressed = td;
}
}
rrddim_set_by_pointer(d->st_compressed, d->rd_rcompressed, (collected_number)d->rcompressed);
rrddim_set_by_pointer(d->st_compressed, d->rd_tcompressed, (collected_number)d->tcompressed);
rrdset_done(d->st_compressed);
}
if (d->do_events == CONFIG_BOOLEAN_YES || d->do_events == CONFIG_BOOLEAN_AUTO) {
if(unlikely(!d->st_events)) {
d->st_events = rrdset_create_localhost(
d->chart_type_net_events
, d->chart_id_net_events
, NULL
, d->chart_family
, d->chart_ctx_net_events
, "Network Interface Events"
, "events/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, d->priority + 6
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(d->st_events, RRDSET_FLAG_DETAIL);
rrdset_update_rrdlabels(d->st_events, d->chart_labels);
d->rd_rframe = rrddim_add(d->st_events, "frames", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
d->rd_tcollisions = rrddim_add(d->st_events, "collisions", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
d->rd_tcarrier = rrddim_add(d->st_events, "carrier", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
rrddim_set_by_pointer(d->st_events, d->rd_rframe, (collected_number)d->rframe);
rrddim_set_by_pointer(d->st_events, d->rd_tcollisions, (collected_number)d->tcollisions);
rrddim_set_by_pointer(d->st_events, d->rd_tcarrier, (collected_number)d->tcarrier);
rrdset_done(d->st_events);
}
d->function_ready = true;
}
if (do_bandwidth == CONFIG_BOOLEAN_YES || do_bandwidth == CONFIG_BOOLEAN_AUTO) {
do_bandwidth = CONFIG_BOOLEAN_YES;
static RRDSET *st_system_net = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if(unlikely(!st_system_net)) {
st_system_net = rrdset_create_localhost(
"system"
, "net"
, NULL
, "network"
, NULL
, "Physical Network Interfaces Aggregated Bandwidth"
, "kilobits/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETDEV_NAME
, NETDATA_CHART_PRIO_SYSTEM_NET
, update_every
, RRDSET_TYPE_AREA
);
rd_in = rrddim_add(st_system_net, "InOctets", "received", 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st_system_net, "OutOctets", "sent", -8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
}
rrddim_set_by_pointer(st_system_net, rd_in, (collected_number)system_rbytes);
rrddim_set_by_pointer(st_system_net, rd_out, (collected_number)system_tbytes);
rrdset_done(st_system_net);
}
netdev_cleanup();
return 0;
}
static void netdev_main_cleanup(void *pptr) {
if(CLEANUP_FUNCTION_GET_PTR(pptr) != (void *)0x01)
return;
collector_info("cleaning up...");
worker_unregister();
}
void *netdev_main(void *ptr_is_null __maybe_unused)
{
CLEANUP_FUNCTION_REGISTER(netdev_main_cleanup) cleanup_ptr = (void *)0x01;
worker_register("NETDEV");
worker_register_job_name(0, "netdev");
if (getenv("KUBERNETES_SERVICE_HOST") != NULL && getenv("KUBERNETES_SERVICE_PORT") != NULL)
double_linked_device_collect_delay_secs = 300;
rrd_function_add_inline(localhost, NULL, "network-interfaces", 10,
RRDFUNCTIONS_PRIORITY_DEFAULT, RRDFUNCTIONS_NETDEV_HELP,
"top", HTTP_ACCESS_ANONYMOUS_DATA,
netdev_function_net_interfaces);
usec_t step = localhost->rrd_update_every * USEC_PER_SEC;
heartbeat_t hb;
heartbeat_init(&hb);
while (service_running(SERVICE_COLLECTORS)) {
worker_is_idle();
usec_t hb_dt = heartbeat_next(&hb, step);
if (unlikely(!service_running(SERVICE_COLLECTORS)))
break;
cgroup_netdev_reset_all();
worker_is_busy(0);
netdata_mutex_lock(&netdev_mutex);
if (do_proc_net_dev(localhost->rrd_update_every, hb_dt))
break;
netdata_mutex_unlock(&netdev_mutex);
}
return NULL;
}