23 kernel_uint_t rpackets;
24 kernel_uint_t rerrors;
28 kernel_uint_t rcompressed;
29 kernel_uint_t rmulticast;
32 kernel_uint_t tpackets;
33 kernel_uint_t terrors;
36 kernel_uint_t tcollisions;
37 kernel_uint_t tcarrier;
38 kernel_uint_t tcompressed;
46 RRDSET *st_compressed;
56 RRDDIM *rd_rcompressed;
57 RRDDIM *rd_rmulticast;
64 RRDDIM *rd_tcollisions;
66 RRDDIM *rd_tcompressed;
71 static struct netdev *netdev_root = NULL, *netdev_last_used = NULL;
73 static size_t netdev_added = 0, netdev_found = 0;
75 static void netdev_free(struct netdev *d) {
76 if(d->st_bandwidth) rrdset_flag_set(d->st_bandwidth, RRDSET_FLAG_OBSOLETE);
77 if(d->st_packets) rrdset_flag_set(d->st_packets, RRDSET_FLAG_OBSOLETE);
78 if(d->st_errors) rrdset_flag_set(d->st_errors, RRDSET_FLAG_OBSOLETE);
79 if(d->st_drops) rrdset_flag_set(d->st_drops, RRDSET_FLAG_OBSOLETE);
80 if(d->st_fifo) rrdset_flag_set(d->st_fifo, RRDSET_FLAG_OBSOLETE);
81 if(d->st_compressed) rrdset_flag_set(d->st_compressed, RRDSET_FLAG_OBSOLETE);
82 if(d->st_events) rrdset_flag_set(d->st_events, RRDSET_FLAG_OBSOLETE);
89 static void netdev_cleanup() {
90 if(likely(netdev_found == netdev_added)) return;
93 struct netdev *d = netdev_root, *last = NULL;
95 if(unlikely(!d->updated)) {
96 // info("Removing network device '%s', linked after '%s'", d->name, last?last->name:"ROOT");
98 if(netdev_last_used == d)
99 netdev_last_used = last;
101 struct netdev *t = d;
103 if(d == netdev_root || !last)
104 netdev_root = d = d->next;
107 last->next = d = d->next;
121 static struct netdev *get_netdev(const char *name) {
124 uint32_t hash = simple_hash(name);
126 // search it, from the last position to the end
127 for(d = netdev_last_used ; d ; d = d->next) {
128 if(unlikely(hash == d->hash && !strcmp(name, d->name))) {
129 netdev_last_used = d->next;
134 // search it from the beginning to the last position we used
135 for(d = netdev_root ; d != netdev_last_used ; d = d->next) {
136 if(unlikely(hash == d->hash && !strcmp(name, d->name))) {
137 netdev_last_used = d->next;
143 d = callocz(1, sizeof(struct netdev));
144 d->name = strdupz(name);
145 d->hash = simple_hash(d->name);
146 d->len = strlen(d->name);
149 // link it to the end
152 for(e = netdev_root; e->next ; e = e->next) ;
161 int do_proc_net_dev(int update_every, usec_t dt) {
163 static SIMPLE_PATTERN *disabled_list = NULL;
164 static procfile *ff = NULL;
165 static int enable_new_interfaces = -1;
166 static int do_bandwidth = -1, do_packets = -1, do_errors = -1, do_drops = -1, do_fifo = -1, do_compressed = -1, do_events = -1;
168 if(unlikely(enable_new_interfaces == -1)) {
169 enable_new_interfaces = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "enable new interfaces detected at runtime", CONFIG_BOOLEAN_AUTO);
171 do_bandwidth = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "bandwidth for all interfaces", CONFIG_BOOLEAN_AUTO);
172 do_packets = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "packets for all interfaces", CONFIG_BOOLEAN_AUTO);
173 do_errors = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "errors for all interfaces", CONFIG_BOOLEAN_AUTO);
174 do_drops = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "drops for all interfaces", CONFIG_BOOLEAN_AUTO);
175 do_fifo = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "fifo for all interfaces", CONFIG_BOOLEAN_AUTO);
176 do_compressed = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "compressed packets for all interfaces", CONFIG_BOOLEAN_AUTO);
177 do_events = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "frames, collisions, carrier counters for all interfaces", CONFIG_BOOLEAN_AUTO);
179 disabled_list = simple_pattern_create(
180 config_get("plugin:proc:/proc/net/dev", "disable by default interfaces matching", "lo fireqos* *-ifb")
181 , SIMPLE_PATTERN_EXACT);
185 char filename[FILENAME_MAX + 1];
186 snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/net/dev");
187 ff = procfile_open(config_get("plugin:proc:/proc/net/dev", "filename to monitor", filename), " \t,:|", PROCFILE_FLAG_DEFAULT);
188 if(unlikely(!ff)) return 1;
191 ff = procfile_readall(ff);
192 if(unlikely(!ff)) return 0; // we return 0, so that we will retry to open it next time
196 size_t lines = procfile_lines(ff), l;
197 for(l = 2; l < lines ;l++) {
198 // require 17 words on each line
199 if(unlikely(procfile_linewords(ff, l) < 17)) continue;
201 struct netdev *d = get_netdev(procfile_lineword(ff, l, 0));
205 if(unlikely(!d->configured)) {
206 // this is the first time we see this interface
208 // remember we configured it
211 d->enabled = enable_new_interfaces;
214 d->enabled = !simple_pattern_matches(disabled_list, d->name);
216 char var_name[512 + 1];
217 snprintfz(var_name, 512, "plugin:proc:/proc/net/dev:%s", d->name);
218 d->enabled = config_get_boolean_ondemand(var_name, "enabled", d->enabled);
220 if(d->enabled == CONFIG_BOOLEAN_NO)
223 d->do_bandwidth = config_get_boolean_ondemand(var_name, "bandwidth", do_bandwidth);
224 d->do_packets = config_get_boolean_ondemand(var_name, "packets", do_packets);
225 d->do_errors = config_get_boolean_ondemand(var_name, "errors", do_errors);
226 d->do_drops = config_get_boolean_ondemand(var_name, "drops", do_drops);
227 d->do_fifo = config_get_boolean_ondemand(var_name, "fifo", do_fifo);
228 d->do_compressed = config_get_boolean_ondemand(var_name, "compressed", do_compressed);
229 d->do_events = config_get_boolean_ondemand(var_name, "events", do_events);
232 if(unlikely(!d->enabled))
235 if(likely(d->do_bandwidth != CONFIG_BOOLEAN_NO)) {
236 d->rbytes = str2kernel_uint_t(procfile_lineword(ff, l, 1));
237 d->tbytes = str2kernel_uint_t(procfile_lineword(ff, l, 9));
240 if(likely(d->do_packets != CONFIG_BOOLEAN_NO)) {
241 d->rpackets = str2kernel_uint_t(procfile_lineword(ff, l, 2));
242 d->rmulticast = str2kernel_uint_t(procfile_lineword(ff, l, 8));
243 d->tpackets = str2kernel_uint_t(procfile_lineword(ff, l, 10));
246 if(likely(d->do_errors != CONFIG_BOOLEAN_NO)) {
247 d->rerrors = str2kernel_uint_t(procfile_lineword(ff, l, 3));
248 d->terrors = str2kernel_uint_t(procfile_lineword(ff, l, 11));
251 if(likely(d->do_drops != CONFIG_BOOLEAN_NO)) {
252 d->rdrops = str2kernel_uint_t(procfile_lineword(ff, l, 4));
253 d->tdrops = str2kernel_uint_t(procfile_lineword(ff, l, 12));
256 if(likely(d->do_fifo != CONFIG_BOOLEAN_NO)) {
257 d->rfifo = str2kernel_uint_t(procfile_lineword(ff, l, 5));
258 d->tfifo = str2kernel_uint_t(procfile_lineword(ff, l, 13));
261 if(likely(d->do_compressed != CONFIG_BOOLEAN_NO)) {
262 d->rcompressed = str2kernel_uint_t(procfile_lineword(ff, l, 7));
263 d->tcompressed = str2kernel_uint_t(procfile_lineword(ff, l, 16));
266 if(likely(d->do_events != CONFIG_BOOLEAN_NO)) {
267 d->rframe = str2kernel_uint_t(procfile_lineword(ff, l, 6));
268 d->tcollisions = str2kernel_uint_t(procfile_lineword(ff, l, 14));
269 d->tcarrier = str2kernel_uint_t(procfile_lineword(ff, l, 15));
272 // --------------------------------------------------------------------
274 if(unlikely((d->do_bandwidth == CONFIG_BOOLEAN_AUTO && (d->rbytes || d->tbytes))))
275 d->do_bandwidth = CONFIG_BOOLEAN_YES;
277 if(d->do_bandwidth == CONFIG_BOOLEAN_YES) {
278 if(unlikely(!d->st_bandwidth)) {
280 d->st_bandwidth = rrdset_create_localhost(
293 d->rd_rbytes = rrddim_add(d->st_bandwidth, "received", NULL, 8, 1024, RRD_ALGORITHM_INCREMENTAL);
294 d->rd_tbytes = rrddim_add(d->st_bandwidth, "sent", NULL, -8, 1024, RRD_ALGORITHM_INCREMENTAL);
296 else rrdset_next(d->st_bandwidth);
298 rrddim_set_by_pointer(d->st_bandwidth, d->rd_rbytes, (collected_number)d->rbytes);
299 rrddim_set_by_pointer(d->st_bandwidth, d->rd_tbytes, (collected_number)d->tbytes);
300 rrdset_done(d->st_bandwidth);
303 // --------------------------------------------------------------------
305 if(unlikely((d->do_packets == CONFIG_BOOLEAN_AUTO && (d->rpackets || d->tpackets || d->rmulticast))))
306 d->do_packets = CONFIG_BOOLEAN_YES;
308 if(d->do_packets == CONFIG_BOOLEAN_YES) {
309 if(unlikely(!d->st_packets)) {
311 d->st_packets = rrdset_create_localhost(
324 rrdset_flag_set(d->st_packets, RRDSET_FLAG_DETAIL);
326 d->rd_rpackets = rrddim_add(d->st_packets, "received", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
327 d->rd_tpackets = rrddim_add(d->st_packets, "sent", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
328 d->rd_rmulticast = rrddim_add(d->st_packets, "multicast", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
330 else rrdset_next(d->st_packets);
332 rrddim_set_by_pointer(d->st_packets, d->rd_rpackets, (collected_number)d->rpackets);
333 rrddim_set_by_pointer(d->st_packets, d->rd_tpackets, (collected_number)d->tpackets);
334 rrddim_set_by_pointer(d->st_packets, d->rd_rmulticast, (collected_number)d->rmulticast);
335 rrdset_done(d->st_packets);
338 // --------------------------------------------------------------------
340 if(unlikely((d->do_errors == CONFIG_BOOLEAN_AUTO && (d->rerrors || d->terrors))))
341 d->do_errors = CONFIG_BOOLEAN_YES;
343 if(d->do_errors == CONFIG_BOOLEAN_YES) {
344 if(unlikely(!d->st_errors)) {
346 d->st_errors = rrdset_create_localhost(
359 rrdset_flag_set(d->st_errors, RRDSET_FLAG_DETAIL);
361 d->rd_rerrors = rrddim_add(d->st_errors, "inbound", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
362 d->rd_terrors = rrddim_add(d->st_errors, "outbound", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
364 else rrdset_next(d->st_errors);
366 rrddim_set_by_pointer(d->st_errors, d->rd_rerrors, (collected_number)d->rerrors);
367 rrddim_set_by_pointer(d->st_errors, d->rd_terrors, (collected_number)d->terrors);
368 rrdset_done(d->st_errors);
371 // --------------------------------------------------------------------
373 if(unlikely((d->do_drops == CONFIG_BOOLEAN_AUTO && (d->rdrops || d->tdrops))))
374 d->do_drops = CONFIG_BOOLEAN_YES;
376 if(d->do_drops == CONFIG_BOOLEAN_YES) {
377 if(unlikely(!d->st_drops)) {
379 d->st_drops = rrdset_create_localhost(
392 rrdset_flag_set(d->st_drops, RRDSET_FLAG_DETAIL);
394 d->rd_rdrops = rrddim_add(d->st_drops, "inbound", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
395 d->rd_tdrops = rrddim_add(d->st_drops, "outbound", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
397 else rrdset_next(d->st_drops);
399 rrddim_set_by_pointer(d->st_drops, d->rd_rdrops, (collected_number)d->rdrops);
400 rrddim_set_by_pointer(d->st_drops, d->rd_tdrops, (collected_number)d->tdrops);
401 rrdset_done(d->st_drops);
404 // --------------------------------------------------------------------
406 if(unlikely((d->do_fifo == CONFIG_BOOLEAN_AUTO && (d->rfifo || d->tfifo))))
407 d->do_fifo = CONFIG_BOOLEAN_YES;
409 if(d->do_fifo == CONFIG_BOOLEAN_YES) {
410 if(unlikely(!d->st_fifo)) {
412 d->st_fifo = rrdset_create_localhost(
418 , "Interface FIFO Buffer Errors"
425 rrdset_flag_set(d->st_fifo, RRDSET_FLAG_DETAIL);
427 d->rd_rfifo = rrddim_add(d->st_fifo, "receive", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
428 d->rd_tfifo = rrddim_add(d->st_fifo, "transmit", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
430 else rrdset_next(d->st_fifo);
432 rrddim_set_by_pointer(d->st_fifo, d->rd_rfifo, (collected_number)d->rfifo);
433 rrddim_set_by_pointer(d->st_fifo, d->rd_tfifo, (collected_number)d->tfifo);
434 rrdset_done(d->st_fifo);
437 // --------------------------------------------------------------------
439 if(unlikely((d->do_compressed == CONFIG_BOOLEAN_AUTO && (d->rcompressed || d->tcompressed))))
440 d->do_compressed = CONFIG_BOOLEAN_YES;
442 if(d->do_compressed == CONFIG_BOOLEAN_YES) {
443 if(unlikely(!d->st_compressed)) {
445 d->st_compressed = rrdset_create_localhost(
451 , "Compressed Packets"
458 rrdset_flag_set(d->st_compressed, RRDSET_FLAG_DETAIL);
460 d->rd_rcompressed = rrddim_add(d->st_compressed, "received", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
461 d->rd_tcompressed = rrddim_add(d->st_compressed, "sent", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
463 else rrdset_next(d->st_compressed);
465 rrddim_set_by_pointer(d->st_compressed, d->rd_rcompressed, (collected_number)d->rcompressed);
466 rrddim_set_by_pointer(d->st_compressed, d->rd_tcompressed, (collected_number)d->tcompressed);
467 rrdset_done(d->st_compressed);
470 // --------------------------------------------------------------------
472 if(unlikely((d->do_events == CONFIG_BOOLEAN_AUTO && (d->rframe || d->tcollisions || d->tcarrier))))
473 d->do_events = CONFIG_BOOLEAN_YES;
475 if(d->do_events == CONFIG_BOOLEAN_YES) {
476 if(unlikely(!d->st_events)) {
478 d->st_events = rrdset_create_localhost(
484 , "Network Interface Events"
491 rrdset_flag_set(d->st_events, RRDSET_FLAG_DETAIL);
493 d->rd_rframe = rrddim_add(d->st_events, "frames", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
494 d->rd_tcollisions = rrddim_add(d->st_events, "collisions", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
495 d->rd_tcarrier = rrddim_add(d->st_events, "carrier", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
497 else rrdset_next(d->st_events);
499 rrddim_set_by_pointer(d->st_events, d->rd_rframe, (collected_number)d->rframe);
500 rrddim_set_by_pointer(d->st_events, d->rd_tcollisions, (collected_number)d->tcollisions);
501 rrddim_set_by_pointer(d->st_events, d->rd_tcarrier, (collected_number)d->tcarrier);
502 rrdset_done(d->st_events);