3 int do_proc_net_dev(int update_every, unsigned long long dt) {
4 static procfile *ff = NULL;
5 static int enable_new_interfaces = -1, enable_ifb_interfaces = -1;
6 static int do_bandwidth = -1, do_packets = -1, do_errors = -1, do_drops = -1, do_fifo = -1, do_compressed = -1, do_events = -1;
11 char filename[FILENAME_MAX + 1];
12 snprintfz(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/dev");
13 ff = procfile_open(config_get("plugin:proc:/proc/net/dev", "filename to monitor", filename), " \t,:|", PROCFILE_FLAG_DEFAULT);
17 ff = procfile_readall(ff);
18 if(!ff) return 0; // we return 0, so that we will retry to open it next time
20 if(enable_new_interfaces == -1) enable_new_interfaces = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "enable new interfaces detected at runtime", CONFIG_ONDEMAND_ONDEMAND);
21 if(enable_ifb_interfaces == -1) enable_ifb_interfaces = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "enable ifb interfaces", CONFIG_ONDEMAND_NO);
23 if(do_bandwidth == -1) do_bandwidth = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "bandwidth for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
24 if(do_packets == -1) do_packets = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "packets for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
25 if(do_errors == -1) do_errors = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "errors for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
26 if(do_drops == -1) do_drops = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "drops for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
27 if(do_fifo == -1) do_fifo = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "fifo for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
28 if(do_compressed == -1) do_compressed = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "compressed packets for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
29 if(do_events == -1) do_events = config_get_boolean_ondemand("plugin:proc:/proc/net/dev", "frames, collisions, carrier counters for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
31 uint32_t lines = procfile_lines(ff), l;
34 unsigned long long rbytes, rpackets, rerrors, rdrops, rfifo, rframe, rcompressed, rmulticast;
35 unsigned long long tbytes, tpackets, terrors, tdrops, tfifo, tcollisions, tcarrier, tcompressed;
37 for(l = 2; l < lines ;l++) {
38 uint32_t words = procfile_linewords(ff, l);
39 if(words < 17) continue;
41 iface = procfile_lineword(ff, l, 0);
43 rbytes = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
44 rpackets = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
45 rerrors = strtoull(procfile_lineword(ff, l, 3), NULL, 10);
46 rdrops = strtoull(procfile_lineword(ff, l, 4), NULL, 10);
47 rfifo = strtoull(procfile_lineword(ff, l, 5), NULL, 10);
48 rframe = strtoull(procfile_lineword(ff, l, 6), NULL, 10);
49 rcompressed = strtoull(procfile_lineword(ff, l, 7), NULL, 10);
50 rmulticast = strtoull(procfile_lineword(ff, l, 8), NULL, 10);
52 tbytes = strtoull(procfile_lineword(ff, l, 9), NULL, 10);
53 tpackets = strtoull(procfile_lineword(ff, l, 10), NULL, 10);
54 terrors = strtoull(procfile_lineword(ff, l, 11), NULL, 10);
55 tdrops = strtoull(procfile_lineword(ff, l, 12), NULL, 10);
56 tfifo = strtoull(procfile_lineword(ff, l, 13), NULL, 10);
57 tcollisions = strtoull(procfile_lineword(ff, l, 14), NULL, 10);
58 tcarrier = strtoull(procfile_lineword(ff, l, 15), NULL, 10);
59 tcompressed = strtoull(procfile_lineword(ff, l, 16), NULL, 10);
61 int ddo_bandwidth = do_bandwidth, ddo_packets = do_packets, ddo_errors = do_errors, ddo_drops = do_drops, ddo_fifo = do_fifo, ddo_compressed = do_compressed, ddo_events = do_events;
63 int default_enable = enable_new_interfaces;
65 // prevent unused interfaces from creating charts
66 if(strcmp(iface, "lo") == 0)
69 int len = strlen(iface);
70 if(len >= 4 && strcmp(&iface[len-4], "-ifb") == 0)
71 default_enable = enable_ifb_interfaces;
74 // check if the user wants it
76 char var_name[512 + 1];
77 snprintfz(var_name, 512, "plugin:proc:/proc/net/dev:%s", iface);
78 default_enable = config_get_boolean_ondemand(var_name, "enabled", default_enable);
79 if(default_enable == CONFIG_ONDEMAND_NO) continue;
80 if(default_enable == CONFIG_ONDEMAND_ONDEMAND && !rbytes && !tbytes) continue;
82 ddo_bandwidth = config_get_boolean_ondemand(var_name, "bandwidth", ddo_bandwidth);
83 ddo_packets = config_get_boolean_ondemand(var_name, "packets", ddo_packets);
84 ddo_errors = config_get_boolean_ondemand(var_name, "errors", ddo_errors);
85 ddo_drops = config_get_boolean_ondemand(var_name, "drops", ddo_drops);
86 ddo_fifo = config_get_boolean_ondemand(var_name, "fifo", ddo_fifo);
87 ddo_compressed = config_get_boolean_ondemand(var_name, "compressed", ddo_compressed);
88 ddo_events = config_get_boolean_ondemand(var_name, "events", ddo_events);
90 if(ddo_bandwidth == CONFIG_ONDEMAND_ONDEMAND && rbytes == 0 && tbytes == 0) ddo_bandwidth = 0;
91 if(ddo_errors == CONFIG_ONDEMAND_ONDEMAND && rerrors == 0 && terrors == 0) ddo_errors = 0;
92 if(ddo_drops == CONFIG_ONDEMAND_ONDEMAND && rdrops == 0 && tdrops == 0) ddo_drops = 0;
93 if(ddo_fifo == CONFIG_ONDEMAND_ONDEMAND && rfifo == 0 && tfifo == 0) ddo_fifo = 0;
94 if(ddo_compressed == CONFIG_ONDEMAND_ONDEMAND && rcompressed == 0 && tcompressed == 0) ddo_compressed = 0;
95 if(ddo_events == CONFIG_ONDEMAND_ONDEMAND && rframe == 0 && tcollisions == 0 && tcarrier == 0) ddo_events = 0;
97 // for absolute values, we need to switch the setting to 'yes'
98 // to allow it refresh from now on
99 // if(ddo_fifo == CONFIG_ONDEMAND_ONDEMAND) config_set(var_name, "fifo", "yes");
104 // --------------------------------------------------------------------
107 st = rrdset_find_bytype("net", iface);
109 st = rrdset_create("net", iface, NULL, iface, "net.net", "Bandwidth", "kilobits/s", 7000, update_every, RRDSET_TYPE_AREA);
111 rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
112 rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
114 else rrdset_next(st);
116 rrddim_set(st, "received", rbytes);
117 rrddim_set(st, "sent", tbytes);
121 // --------------------------------------------------------------------
124 st = rrdset_find_bytype("net_packets", iface);
126 st = rrdset_create("net_packets", iface, NULL, iface, "net.packets", "Packets", "packets/s", 7001, update_every, RRDSET_TYPE_LINE);
129 rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
130 rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
131 rrddim_add(st, "multicast", NULL, 1, 1, RRDDIM_INCREMENTAL);
133 else rrdset_next(st);
135 rrddim_set(st, "received", rpackets);
136 rrddim_set(st, "sent", tpackets);
137 rrddim_set(st, "multicast", rmulticast);
141 // --------------------------------------------------------------------
144 st = rrdset_find_bytype("net_errors", iface);
146 st = rrdset_create("net_errors", iface, NULL, iface, "net.errors", "Interface Errors", "errors/s", 7002, update_every, RRDSET_TYPE_LINE);
149 rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
150 rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
152 else rrdset_next(st);
154 rrddim_set(st, "inbound", rerrors);
155 rrddim_set(st, "outbound", terrors);
159 // --------------------------------------------------------------------
162 st = rrdset_find_bytype("net_drops", iface);
164 st = rrdset_create("net_drops", iface, NULL, iface, "net.drops", "Interface Drops", "drops/s", 7003, update_every, RRDSET_TYPE_LINE);
167 rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
168 rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
170 else rrdset_next(st);
172 rrddim_set(st, "inbound", rdrops);
173 rrddim_set(st, "outbound", tdrops);
177 // --------------------------------------------------------------------
180 st = rrdset_find_bytype("net_fifo", iface);
182 st = rrdset_create("net_fifo", iface, NULL, iface, "net.fifo", "Interface FIFO Buffer Errors", "errors", 7004, update_every, RRDSET_TYPE_LINE);
185 rrddim_add(st, "receive", NULL, 1, 1, RRDDIM_INCREMENTAL);
186 rrddim_add(st, "transmit", NULL, -1, 1, RRDDIM_INCREMENTAL);
188 else rrdset_next(st);
190 rrddim_set(st, "receive", rfifo);
191 rrddim_set(st, "transmit", tfifo);
195 // --------------------------------------------------------------------
198 st = rrdset_find_bytype("net_compressed", iface);
200 st = rrdset_create("net_compressed", iface, NULL, iface, "net.compressed", "Compressed Packets", "packets/s", 7005, update_every, RRDSET_TYPE_LINE);
203 rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
204 rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
206 else rrdset_next(st);
208 rrddim_set(st, "received", rcompressed);
209 rrddim_set(st, "sent", tcompressed);
213 // --------------------------------------------------------------------
216 st = rrdset_find_bytype("net_events", iface);
218 st = rrdset_create("net_events", iface, NULL, iface, "net.events", "Network Interface Events", "events/s", 7006, update_every, RRDSET_TYPE_LINE);
221 rrddim_add(st, "frames", NULL, 1, 1, RRDDIM_INCREMENTAL);
222 rrddim_add(st, "collisions", NULL, -1, 1, RRDDIM_INCREMENTAL);
223 rrddim_add(st, "carrier", NULL, -1, 1, RRDDIM_INCREMENTAL);
225 else rrdset_next(st);
227 rrddim_set(st, "frames", rframe);
228 rrddim_set(st, "collisions", tcollisions);
229 rrddim_set(st, "carrier", tcarrier);