21 unsigned long long rbytes;
22 unsigned long long rpackets;
23 unsigned long long rerrors;
24 unsigned long long rdrops;
25 unsigned long long rfifo;
26 unsigned long long rframe;
27 unsigned long long rcompressed;
28 unsigned long long rmulticast;
30 unsigned long long tbytes;
31 unsigned long long tpackets;
32 unsigned long long terrors;
33 unsigned long long tdrops;
34 unsigned long long tfifo;
35 unsigned long long tcollisions;
36 unsigned long long tcarrier;
37 unsigned long long tcompressed;
45 RRDSET *st_compressed;
55 RRDDIM *rd_rcompressed;
56 RRDDIM *rd_rmulticast;
63 RRDDIM *rd_tcollisions;
65 RRDDIM *rd_tcompressed;
70 static struct netdev *netdev_root = NULL;
72 static struct netdev *get_netdev(const char *name) {
73 static struct netdev *last = NULL;
76 uint32_t hash = simple_hash(name);
78 // search it, from the last position to the end
79 for(d = last ; d ; d = d->next) {
80 if(unlikely(hash == d->hash && !strcmp(name, d->name))) {
86 // search it from the beginning to the last position we used
87 for(d = netdev_root ; d != last ; d = d->next) {
88 if(unlikely(hash == d->hash && !strcmp(name, d->name))) {
95 d = callocz(1, sizeof(struct netdev));
96 d->name = strdupz(name);
97 d->hash = simple_hash(d->name);
98 d->len = strlen(d->name);
100 // link it to the end
103 for(e = netdev_root; e->next ; e = e->next) ;
112 int do_proc_net_dev(int update_every, usec_t dt) {
115 static SIMPLE_PATTERN *disabled_list = NULL;
116 static procfile *ff = NULL;
117 static int enable_new_interfaces = -1;
118 static int do_bandwidth = -1, do_packets = -1, do_errors = -1, do_drops = -1, do_fifo = -1, do_compressed = -1, do_events = -1;
120 if(unlikely(enable_new_interfaces == -1)) {
121 enable_new_interfaces = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "enable new interfaces detected at runtime", CONFIG_ONDEMAND_ONDEMAND);
123 do_bandwidth = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "bandwidth for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
124 do_packets = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "packets for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
125 do_errors = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "errors for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
126 do_drops = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "drops for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
127 do_fifo = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "fifo for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
128 do_compressed = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "compressed packets for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
129 do_events = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "frames, collisions, carrier counters for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
131 disabled_list = simple_pattern_create(
132 config_get("plugin:proc:/proc/net/dev", "disable by default interfaces matching", "lo fireqos* *-ifb")
133 , SIMPLE_PATTERN_EXACT);
137 char filename[FILENAME_MAX + 1];
138 snprintfz(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/dev");
139 ff = procfile_open(config_get("plugin:proc:/proc/net/dev", "filename to monitor", filename), " \t,:|", PROCFILE_FLAG_DEFAULT);
140 if(unlikely(!ff)) return 1;
143 ff = procfile_readall(ff);
144 if(unlikely(!ff)) return 0; // we return 0, so that we will retry to open it next time
146 size_t lines = procfile_lines(ff), l;
147 for(l = 2; l < lines ;l++) {
148 // require 17 words on each line
149 if(unlikely(procfile_linewords(ff, l) < 17)) continue;
151 struct netdev *d = get_netdev(procfile_lineword(ff, l, 0));
153 if(unlikely(!d->configured)) {
154 // this is the first time we see this interface
156 // remember we configured it
159 d->enabled = enable_new_interfaces;
162 d->enabled = !simple_pattern_matches(disabled_list, d->name);
164 char var_name[512 + 1];
165 snprintfz(var_name, 512, "plugin:proc:/proc/net/dev:%s", d->name);
166 d->enabled = config_get_boolean_ondemand(var_name, "enabled", d->enabled);
168 if(d->enabled == CONFIG_ONDEMAND_NO)
171 d->do_bandwidth = config_get_boolean_ondemand(var_name, "bandwidth", do_bandwidth);
172 d->do_packets = config_get_boolean_ondemand(var_name, "packets", do_packets);
173 d->do_errors = config_get_boolean_ondemand(var_name, "errors", do_errors);
174 d->do_drops = config_get_boolean_ondemand(var_name, "drops", do_drops);
175 d->do_fifo = config_get_boolean_ondemand(var_name, "fifo", do_fifo);
176 d->do_compressed = config_get_boolean_ondemand(var_name, "compressed", do_compressed);
177 d->do_events = config_get_boolean_ondemand(var_name, "events", do_events);
180 if(unlikely(!d->enabled))
183 d->rbytes = str2ull(procfile_lineword(ff, l, 1));
184 d->rpackets = str2ull(procfile_lineword(ff, l, 2));
185 d->rerrors = str2ull(procfile_lineword(ff, l, 3));
186 d->rdrops = str2ull(procfile_lineword(ff, l, 4));
187 d->rfifo = str2ull(procfile_lineword(ff, l, 5));
188 d->rframe = str2ull(procfile_lineword(ff, l, 6));
189 d->rcompressed = str2ull(procfile_lineword(ff, l, 7));
190 d->rmulticast = str2ull(procfile_lineword(ff, l, 8));
192 d->tbytes = str2ull(procfile_lineword(ff, l, 9));
193 d->tpackets = str2ull(procfile_lineword(ff, l, 10));
194 d->terrors = str2ull(procfile_lineword(ff, l, 11));
195 d->tdrops = str2ull(procfile_lineword(ff, l, 12));
196 d->tfifo = str2ull(procfile_lineword(ff, l, 13));
197 d->tcollisions = str2ull(procfile_lineword(ff, l, 14));
198 d->tcarrier = str2ull(procfile_lineword(ff, l, 15));
199 d->tcompressed = str2ull(procfile_lineword(ff, l, 16));
201 // --------------------------------------------------------------------
203 if(unlikely((d->do_bandwidth == CONFIG_ONDEMAND_ONDEMAND && (d->rbytes || d->tbytes))))
204 d->do_bandwidth = CONFIG_ONDEMAND_YES;
206 if(d->do_bandwidth == CONFIG_ONDEMAND_YES) {
207 if(unlikely(!d->st_bandwidth)) {
208 d->st_bandwidth = rrdset_find_bytype("net", d->name);
211 d->st_bandwidth = rrdset_create("net", d->name, NULL, d->name, "net.net", "Bandwidth", "kilobits/s", 7000, update_every, RRDSET_TYPE_AREA);
213 d->rd_rbytes = rrddim_add(d->st_bandwidth, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
214 d->rd_tbytes = rrddim_add(d->st_bandwidth, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
216 else rrdset_next(d->st_bandwidth);
218 rrddim_set_by_pointer(d->st_bandwidth, d->rd_rbytes, d->rbytes);
219 rrddim_set_by_pointer(d->st_bandwidth, d->rd_tbytes, d->tbytes);
220 rrdset_done(d->st_bandwidth);
223 // --------------------------------------------------------------------
225 if(unlikely((d->do_packets == CONFIG_ONDEMAND_ONDEMAND && (d->rpackets || d->tpackets || d->rmulticast))))
226 d->do_packets = CONFIG_ONDEMAND_YES;
228 if(d->do_packets == CONFIG_ONDEMAND_YES) {
229 if(unlikely(!d->st_packets)) {
230 d->st_packets = rrdset_find_bytype("net_packets", d->name);
233 d->st_packets = rrdset_create("net_packets", d->name, NULL, d->name, "net.packets", "Packets", "packets/s", 7001, update_every, RRDSET_TYPE_LINE);
235 d->st_packets->isdetail = 1;
237 d->rd_rpackets = rrddim_add(d->st_packets, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
238 d->rd_tpackets = rrddim_add(d->st_packets, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
239 d->rd_rmulticast = rrddim_add(d->st_packets, "multicast", NULL, 1, 1, RRDDIM_INCREMENTAL);
241 else rrdset_next(d->st_packets);
243 rrddim_set_by_pointer(d->st_packets, d->rd_rpackets, d->rpackets);
244 rrddim_set_by_pointer(d->st_packets, d->rd_tpackets, d->tpackets);
245 rrddim_set_by_pointer(d->st_packets, d->rd_rmulticast, d->rmulticast);
246 rrdset_done(d->st_packets);
249 // --------------------------------------------------------------------
251 if(unlikely((d->do_errors == CONFIG_ONDEMAND_ONDEMAND && (d->rerrors || d->terrors))))
252 d->do_errors = CONFIG_ONDEMAND_YES;
254 if(d->do_errors == CONFIG_ONDEMAND_YES) {
255 if(unlikely(!d->st_errors)) {
256 d->st_errors = rrdset_find_bytype("net_errors", d->name);
259 d->st_errors = rrdset_create("net_errors", d->name, NULL, d->name, "net.errors", "Interface Errors", "errors/s", 7002, update_every, RRDSET_TYPE_LINE);
261 d->st_errors->isdetail = 1;
263 d->rd_rerrors = rrddim_add(d->st_errors, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
264 d->rd_terrors = rrddim_add(d->st_errors, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
266 else rrdset_next(d->st_errors);
268 rrddim_set_by_pointer(d->st_errors, d->rd_rerrors, d->rerrors);
269 rrddim_set_by_pointer(d->st_errors, d->rd_terrors, d->terrors);
270 rrdset_done(d->st_errors);
273 // --------------------------------------------------------------------
275 if(unlikely((d->do_drops == CONFIG_ONDEMAND_ONDEMAND && (d->rdrops || d->tdrops))))
276 d->do_drops = CONFIG_ONDEMAND_YES;
278 if(d->do_drops == CONFIG_ONDEMAND_YES) {
279 if(unlikely(!d->st_drops)) {
280 d->st_drops = rrdset_find_bytype("net_drops", d->name);
283 d->st_drops = rrdset_create("net_drops", d->name, NULL, d->name, "net.drops", "Interface Drops", "drops/s", 7003, update_every, RRDSET_TYPE_LINE);
285 d->st_drops->isdetail = 1;
287 d->rd_rdrops = rrddim_add(d->st_drops, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
288 d->rd_tdrops = rrddim_add(d->st_drops, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
290 else rrdset_next(d->st_drops);
292 rrddim_set_by_pointer(d->st_drops, d->rd_rdrops, d->rdrops);
293 rrddim_set_by_pointer(d->st_drops, d->rd_tdrops, d->tdrops);
294 rrdset_done(d->st_drops);
297 // --------------------------------------------------------------------
299 if(unlikely((d->do_fifo == CONFIG_ONDEMAND_ONDEMAND && (d->rfifo || d->tfifo))))
300 d->do_fifo = CONFIG_ONDEMAND_YES;
302 if(d->do_fifo == CONFIG_ONDEMAND_YES) {
303 if(unlikely(!d->st_fifo)) {
304 d->st_fifo = rrdset_find_bytype("net_fifo", d->name);
307 d->st_fifo = rrdset_create("net_fifo", d->name, NULL, d->name, "net.fifo", "Interface FIFO Buffer Errors", "errors", 7004, update_every, RRDSET_TYPE_LINE);
309 d->st_fifo->isdetail = 1;
311 d->rd_rfifo = rrddim_add(d->st_fifo, "receive", NULL, 1, 1, RRDDIM_INCREMENTAL);
312 d->rd_tfifo = rrddim_add(d->st_fifo, "transmit", NULL, -1, 1, RRDDIM_INCREMENTAL);
314 else rrdset_next(d->st_fifo);
316 rrddim_set_by_pointer(d->st_fifo, d->rd_rfifo, d->rfifo);
317 rrddim_set_by_pointer(d->st_fifo, d->rd_tfifo, d->tfifo);
318 rrdset_done(d->st_fifo);
321 // --------------------------------------------------------------------
323 if(unlikely((d->do_compressed == CONFIG_ONDEMAND_ONDEMAND && (d->rcompressed || d->tcompressed))))
324 d->do_compressed = CONFIG_ONDEMAND_YES;
326 if(d->do_compressed == CONFIG_ONDEMAND_YES) {
327 if(unlikely(!d->st_compressed)) {
328 d->st_compressed = rrdset_find_bytype("net_compressed", d->name);
329 if(!d->st_compressed)
330 d->st_compressed = rrdset_create("net_compressed", d->name, NULL, d->name, "net.compressed", "Compressed Packets", "packets/s", 7005, update_every, RRDSET_TYPE_LINE);
332 d->st_compressed->isdetail = 1;
334 d->rd_rcompressed = rrddim_add(d->st_compressed, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
335 d->rd_tcompressed = rrddim_add(d->st_compressed, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
337 else rrdset_next(d->st_compressed);
339 rrddim_set_by_pointer(d->st_compressed, d->rd_rcompressed, d->rcompressed);
340 rrddim_set_by_pointer(d->st_compressed, d->rd_tcompressed, d->tcompressed);
341 rrdset_done(d->st_compressed);
344 // --------------------------------------------------------------------
346 if(unlikely((d->do_events == CONFIG_ONDEMAND_ONDEMAND && (d->rframe || d->tcollisions || d->tcarrier))))
347 d->do_events = CONFIG_ONDEMAND_YES;
349 if(d->do_events == CONFIG_ONDEMAND_YES) {
350 if(unlikely(!d->st_events)) {
351 d->st_events = rrdset_find_bytype("net_events", d->name);
353 d->st_events = rrdset_create("net_events", d->name, NULL, d->name, "net.events", "Network Interface Events", "events/s", 7006, update_every, RRDSET_TYPE_LINE);
355 d->st_events->isdetail = 1;
357 d->rd_rframe = rrddim_add(d->st_events, "frames", NULL, 1, 1, RRDDIM_INCREMENTAL);
358 d->rd_tcollisions = rrddim_add(d->st_events, "collisions", NULL, -1, 1, RRDDIM_INCREMENTAL);
359 d->rd_tcarrier = rrddim_add(d->st_events, "carrier", NULL, -1, 1, RRDDIM_INCREMENTAL);
361 else rrdset_next(d->st_events);
363 rrddim_set_by_pointer(d->st_events, d->rd_rframe, d->rframe);
364 rrddim_set_by_pointer(d->st_events, d->rd_tcollisions, d->tcollisions);
365 rrddim_set_by_pointer(d->st_events, d->rd_tcarrier, d->tcarrier);
366 rrdset_done(d->st_events);