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 procfile *ff = NULL;
116 static int enable_new_interfaces = -1, enable_ifb_interfaces = -1, enable_veth_interfaces = -1;
117 static int do_bandwidth = -1, do_packets = -1, do_errors = -1, do_drops = -1, do_fifo = -1, do_compressed = -1, do_events = -1;
119 if(unlikely(enable_new_interfaces == -1)) {
120 enable_new_interfaces = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "enable new interfaces detected at runtime", CONFIG_ONDEMAND_ONDEMAND);
121 enable_ifb_interfaces = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "enable ifb interfaces", CONFIG_ONDEMAND_NO);
122 enable_veth_interfaces = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "enable veth interfaces", enable_new_interfaces);
124 do_bandwidth = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "bandwidth for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
125 do_packets = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "packets for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
126 do_errors = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "errors for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
127 do_drops = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "drops for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
128 do_fifo = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "fifo for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
129 do_compressed = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "compressed packets for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
130 do_events = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "frames, collisions, carrier counters for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
134 char filename[FILENAME_MAX + 1];
135 snprintfz(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/dev");
136 ff = procfile_open(config_get("plugin:proc:/proc/net/dev", "filename to monitor", filename), " \t,:|", PROCFILE_FLAG_DEFAULT);
137 if(unlikely(!ff)) return 1;
140 ff = procfile_readall(ff);
141 if(!ff) return 0; // we return 0, so that we will retry to open it next time
143 uint32_t lines = procfile_lines(ff), l;
145 for(l = 2; l < lines ;l++) {
146 uint32_t words = procfile_linewords(ff, l);
147 if(words < 17) continue;
149 struct netdev *d = get_netdev(procfile_lineword(ff, l, 0));
151 if(unlikely(!d->configured)) {
154 d->enabled = enable_new_interfaces;
157 if(unlikely(!strcmp(d->name, "lo")))
158 d->enabled = CONFIG_ONDEMAND_NO;
159 else if(unlikely(!strncmp(d->name, "veth", 4)))
160 d->enabled = enable_veth_interfaces;
161 else if(unlikely(d->len >= 4 && strcmp(&d->name[d->len - 4], "-ifb") == 0))
162 d->enabled = enable_ifb_interfaces;
165 if(d->enabled == CONFIG_ONDEMAND_NO)
168 char var_name[512 + 1];
169 snprintfz(var_name, 512, "plugin:proc:/proc/net/dev:%s", d->name);
170 d->enabled = config_get_boolean_ondemand(var_name, "enabled", d->enabled);
171 if(d->enabled == CONFIG_ONDEMAND_NO) continue;
173 d->do_bandwidth = config_get_boolean_ondemand(var_name, "bandwidth", do_bandwidth);
174 d->do_packets = config_get_boolean_ondemand(var_name, "packets", do_packets);
175 d->do_errors = config_get_boolean_ondemand(var_name, "errors", do_errors);
176 d->do_drops = config_get_boolean_ondemand(var_name, "drops", do_drops);
177 d->do_fifo = config_get_boolean_ondemand(var_name, "fifo", do_fifo);
178 d->do_compressed = config_get_boolean_ondemand(var_name, "compressed", do_compressed);
179 d->do_events = config_get_boolean_ondemand(var_name, "events", do_events);
182 if(unlikely(!d->enabled))
185 d->rbytes = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
186 d->rpackets = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
187 d->rerrors = strtoull(procfile_lineword(ff, l, 3), NULL, 10);
188 d->rdrops = strtoull(procfile_lineword(ff, l, 4), NULL, 10);
189 d->rfifo = strtoull(procfile_lineword(ff, l, 5), NULL, 10);
190 d->rframe = strtoull(procfile_lineword(ff, l, 6), NULL, 10);
191 d->rcompressed = strtoull(procfile_lineword(ff, l, 7), NULL, 10);
192 d->rmulticast = strtoull(procfile_lineword(ff, l, 8), NULL, 10);
194 d->tbytes = strtoull(procfile_lineword(ff, l, 9), NULL, 10);
195 d->tpackets = strtoull(procfile_lineword(ff, l, 10), NULL, 10);
196 d->terrors = strtoull(procfile_lineword(ff, l, 11), NULL, 10);
197 d->tdrops = strtoull(procfile_lineword(ff, l, 12), NULL, 10);
198 d->tfifo = strtoull(procfile_lineword(ff, l, 13), NULL, 10);
199 d->tcollisions = strtoull(procfile_lineword(ff, l, 14), NULL, 10);
200 d->tcarrier = strtoull(procfile_lineword(ff, l, 15), NULL, 10);
201 d->tcompressed = strtoull(procfile_lineword(ff, l, 16), NULL, 10);
203 // --------------------------------------------------------------------
205 if(unlikely((d->do_bandwidth == CONFIG_ONDEMAND_ONDEMAND && (d->rbytes || d->tbytes))))
206 d->do_bandwidth = CONFIG_ONDEMAND_YES;
208 if(d->do_bandwidth == CONFIG_ONDEMAND_YES) {
209 if(unlikely(!d->st_bandwidth)) {
210 d->st_bandwidth = rrdset_find_bytype("net", d->name);
212 if(!d->st_bandwidth) {
213 d->st_bandwidth = rrdset_create("net", d->name, NULL, d->name, "net.net", "Bandwidth", "kilobits/s", 7000, update_every, RRDSET_TYPE_AREA);
214 d->rd_rbytes = rrddim_add(d->st_bandwidth, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
215 d->rd_tbytes = rrddim_add(d->st_bandwidth, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
218 else rrdset_next(d->st_bandwidth);
220 rrddim_set_by_pointer(d->st_bandwidth, d->rd_rbytes, d->rbytes);
221 rrddim_set_by_pointer(d->st_bandwidth, d->rd_tbytes, d->tbytes);
222 rrdset_done(d->st_bandwidth);
225 // --------------------------------------------------------------------
227 if(unlikely((d->do_packets == CONFIG_ONDEMAND_ONDEMAND && (d->rpackets || d->tpackets || d->rmulticast))))
228 d->do_packets = CONFIG_ONDEMAND_YES;
230 if(d->do_packets == CONFIG_ONDEMAND_YES) {
231 if(unlikely(!d->st_packets)) {
232 d->st_packets = rrdset_find_bytype("net_packets", d->name);
235 d->st_packets = rrdset_create("net_packets", d->name, NULL, d->name, "net.packets", "Packets", "packets/s", 7001, update_every, RRDSET_TYPE_LINE);
236 d->st_packets->isdetail = 1;
238 d->rd_rpackets = rrddim_add(d->st_packets, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
239 d->rd_tpackets = rrddim_add(d->st_packets, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
240 d->rd_rmulticast = rrddim_add(d->st_packets, "multicast", NULL, 1, 1, RRDDIM_INCREMENTAL);
243 else rrdset_next(d->st_packets);
245 rrddim_set_by_pointer(d->st_packets, d->rd_rpackets, d->rpackets);
246 rrddim_set_by_pointer(d->st_packets, d->rd_tpackets, d->tpackets);
247 rrddim_set_by_pointer(d->st_packets, d->rd_rmulticast, d->rmulticast);
248 rrdset_done(d->st_packets);
251 // --------------------------------------------------------------------
253 if(unlikely((d->do_errors == CONFIG_ONDEMAND_ONDEMAND && (d->rerrors || d->terrors))))
254 d->do_errors = CONFIG_ONDEMAND_YES;
256 if(d->do_errors == CONFIG_ONDEMAND_YES) {
257 if(unlikely(!d->st_errors)) {
258 d->st_errors = rrdset_find_bytype("net_errors", d->name);
261 d->st_errors = rrdset_create("net_errors", d->name, NULL, d->name, "net.errors", "Interface Errors", "errors/s", 7002, update_every, RRDSET_TYPE_LINE);
262 d->st_errors->isdetail = 1;
264 d->rd_rerrors = rrddim_add(d->st_errors, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
265 d->rd_terrors = rrddim_add(d->st_errors, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
268 else rrdset_next(d->st_errors);
270 rrddim_set_by_pointer(d->st_errors, d->rd_rerrors, d->rerrors);
271 rrddim_set_by_pointer(d->st_errors, d->rd_terrors, d->terrors);
272 rrdset_done(d->st_errors);
275 // --------------------------------------------------------------------
277 if(unlikely((d->do_drops == CONFIG_ONDEMAND_ONDEMAND && (d->rdrops || d->tdrops))))
278 d->do_drops = CONFIG_ONDEMAND_YES;
280 if(d->do_drops == CONFIG_ONDEMAND_YES) {
281 if(unlikely(!d->st_drops)) {
282 d->st_drops = rrdset_find_bytype("net_drops", d->name);
285 d->st_drops = rrdset_create("net_drops", d->name, NULL, d->name, "net.drops", "Interface Drops", "drops/s", 7003, update_every, RRDSET_TYPE_LINE);
286 d->st_drops->isdetail = 1;
288 d->rd_rdrops = rrddim_add(d->st_drops, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
289 d->rd_tdrops = rrddim_add(d->st_drops, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
292 else rrdset_next(d->st_drops);
294 rrddim_set_by_pointer(d->st_drops, d->rd_rdrops, d->rdrops);
295 rrddim_set_by_pointer(d->st_drops, d->rd_tdrops, d->tdrops);
296 rrdset_done(d->st_drops);
299 // --------------------------------------------------------------------
301 if(unlikely((d->do_fifo == CONFIG_ONDEMAND_ONDEMAND && (d->rfifo || d->tfifo))))
302 d->do_fifo = CONFIG_ONDEMAND_YES;
304 if(d->do_fifo == CONFIG_ONDEMAND_YES) {
305 if(unlikely(!d->st_fifo)) {
306 d->st_fifo = rrdset_find_bytype("net_fifo", d->name);
309 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);
310 d->st_fifo->isdetail = 1;
312 d->rd_rfifo = rrddim_add(d->st_fifo, "receive", NULL, 1, 1, RRDDIM_INCREMENTAL);
313 d->rd_tfifo = rrddim_add(d->st_fifo, "transmit", NULL, -1, 1, RRDDIM_INCREMENTAL);
316 else rrdset_next(d->st_fifo);
318 rrddim_set_by_pointer(d->st_fifo, d->rd_rfifo, d->rfifo);
319 rrddim_set_by_pointer(d->st_fifo, d->rd_tfifo, d->tfifo);
320 rrdset_done(d->st_fifo);
323 // --------------------------------------------------------------------
325 if(unlikely((d->do_compressed == CONFIG_ONDEMAND_ONDEMAND && (d->rcompressed || d->tcompressed))))
326 d->do_compressed = CONFIG_ONDEMAND_YES;
328 if(d->do_compressed == CONFIG_ONDEMAND_YES) {
329 if(unlikely(!d->st_compressed)) {
330 d->st_compressed = rrdset_find_bytype("net_compressed", d->name);
331 if(!d->st_compressed) {
332 d->st_compressed = rrdset_create("net_compressed", d->name, NULL, d->name, "net.compressed", "Compressed Packets", "packets/s", 7005, update_every, RRDSET_TYPE_LINE);
333 d->st_compressed->isdetail = 1;
335 d->rd_rcompressed = rrddim_add(d->st_compressed, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
336 d->rd_tcompressed = rrddim_add(d->st_compressed, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
339 else rrdset_next(d->st_compressed);
341 rrddim_set_by_pointer(d->st_compressed, d->rd_rcompressed, d->rcompressed);
342 rrddim_set_by_pointer(d->st_compressed, d->rd_tcompressed, d->tcompressed);
343 rrdset_done(d->st_compressed);
346 // --------------------------------------------------------------------
348 if(unlikely((d->do_events == CONFIG_ONDEMAND_ONDEMAND && (d->rframe || d->tcollisions || d->tcarrier))))
349 d->do_events = CONFIG_ONDEMAND_YES;
351 if(d->do_events == CONFIG_ONDEMAND_YES) {
352 if(unlikely(!d->st_events)) {
353 d->st_events = rrdset_find_bytype("net_events", d->name);
355 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);
356 d->st_events->isdetail = 1;
358 d->rd_rframe = rrddim_add(d->st_events, "frames", NULL, 1, 1, RRDDIM_INCREMENTAL);
359 d->rd_tcollisions = rrddim_add(d->st_events, "collisions", NULL, -1, 1, RRDDIM_INCREMENTAL);
360 d->rd_tcarrier = rrddim_add(d->st_events, "carrier", NULL, -1, 1, RRDDIM_INCREMENTAL);
363 else rrdset_next(d->st_events);
365 rrddim_set_by_pointer(d->st_events, d->rd_rframe, d->rframe);
366 rrddim_set_by_pointer(d->st_events, d->rd_tcollisions, d->tcollisions);
367 rrddim_set_by_pointer(d->st_events, d->rd_tcarrier, d->tcarrier);
368 rrdset_done(d->st_events);