12 #include "plugin_proc.h"
14 int do_proc_net_dev(int update_every, unsigned long long dt) {
15 static procfile *ff = NULL;
16 static int enable_new_interfaces = -1, enable_ifb_interfaces = -1;
17 static int do_bandwidth = -1, do_packets = -1, do_errors = -1, do_drops = -1, do_fifo = -1, do_compressed = -1, do_events = -1;
22 char filename[FILENAME_MAX + 1];
23 snprintf(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/dev");
24 ff = procfile_open(config_get("plugin:proc:/proc/net/dev", "filename to monitor", filename), " \t,:|", PROCFILE_FLAG_DEFAULT);
28 ff = procfile_readall(ff);
29 if(!ff) return 0; // we return 0, so that we will retry to open it next time
31 if(enable_new_interfaces == -1) enable_new_interfaces = config_get_boolean("plugin:proc:/proc/net/dev", "enable new interfaces detected at runtime", 1);
32 if(enable_ifb_interfaces == -1) enable_ifb_interfaces = config_get_boolean("plugin:proc:/proc/net/dev", "enable ifb interfaces", 0);
34 if(do_bandwidth == -1) do_bandwidth = config_get_boolean("plugin:proc:/proc/net/dev", "bandwidth for all interfaces", 1);
35 if(do_packets == -1) do_packets = config_get_boolean("plugin:proc:/proc/net/dev", "packets for all interfaces", 1);
36 if(do_errors == -1) do_errors = config_get_boolean("plugin:proc:/proc/net/dev", "errors for all interfaces", 1);
37 if(do_drops == -1) do_drops = config_get_boolean("plugin:proc:/proc/net/dev", "drops for all interfaces", 1);
38 if(do_fifo == -1) do_fifo = config_get_boolean("plugin:proc:/proc/net/dev", "fifo for all interfaces", 1);
39 if(do_compressed == -1) do_compressed = config_get_boolean("plugin:proc:/proc/net/dev", "compressed packets for all interfaces", 1);
40 if(do_events == -1) do_events = config_get_boolean("plugin:proc:/proc/net/dev", "frames, collisions, carrier counters for all interfaces", 1);
42 uint32_t lines = procfile_lines(ff), l;
46 unsigned long long rbytes, rpackets, rerrors, rdrops, rfifo, rframe, rcompressed, rmulticast;
47 unsigned long long tbytes, tpackets, terrors, tdrops, tfifo, tcollisions, tcarrier, tcompressed;
49 for(l = 2; l < lines ;l++) {
50 words = procfile_linewords(ff, l);
51 if(words < 17) continue;
53 iface = procfile_lineword(ff, l, 0);
55 rbytes = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
56 rpackets = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
57 rerrors = strtoull(procfile_lineword(ff, l, 3), NULL, 10);
58 rdrops = strtoull(procfile_lineword(ff, l, 4), NULL, 10);
59 rfifo = strtoull(procfile_lineword(ff, l, 5), NULL, 10);
60 rframe = strtoull(procfile_lineword(ff, l, 6), NULL, 10);
61 rcompressed = strtoull(procfile_lineword(ff, l, 7), NULL, 10);
62 rmulticast = strtoull(procfile_lineword(ff, l, 8), NULL, 10);
64 tbytes = strtoull(procfile_lineword(ff, l, 9), NULL, 10);
65 tpackets = strtoull(procfile_lineword(ff, l, 10), NULL, 10);
66 terrors = strtoull(procfile_lineword(ff, l, 11), NULL, 10);
67 tdrops = strtoull(procfile_lineword(ff, l, 12), NULL, 10);
68 tfifo = strtoull(procfile_lineword(ff, l, 13), NULL, 10);
69 tcollisions = strtoull(procfile_lineword(ff, l, 14), NULL, 10);
70 tcarrier = strtoull(procfile_lineword(ff, l, 15), NULL, 10);
71 tcompressed = strtoull(procfile_lineword(ff, l, 16), NULL, 10);
73 int default_enable = enable_new_interfaces;
75 // prevent unused interfaces from creating charts
76 if(!rbytes && !tbytes)
79 int len = strlen(iface);
80 if(len >= 4 && strcmp(&iface[len-4], "-ifb") == 0)
81 default_enable = enable_ifb_interfaces;
84 // check if the user wants it
86 char var_name[512 + 1];
87 snprintf(var_name, 512, "interface %s", iface);
88 if(!config_get_boolean("plugin:proc:/proc/net/dev", var_name, default_enable)) continue;
93 // --------------------------------------------------------------------
96 st = rrdset_find_bytype("net", iface);
98 st = rrdset_create("net", iface, NULL, iface, "Bandwidth", "kilobits/s", 1000, update_every, RRDSET_TYPE_AREA);
100 rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
101 rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
103 else rrdset_next(st);
105 rrddim_set(st, "received", rbytes);
106 rrddim_set(st, "sent", tbytes);
110 // --------------------------------------------------------------------
113 st = rrdset_find_bytype("net_packets", iface);
115 st = rrdset_create("net_packets", iface, NULL, iface, "Packets", "packets/s", 1001, update_every, RRDSET_TYPE_LINE);
118 rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
119 rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
120 rrddim_add(st, "multicast", NULL, 1, 1, RRDDIM_INCREMENTAL);
122 else rrdset_next(st);
124 rrddim_set(st, "received", rpackets);
125 rrddim_set(st, "sent", tpackets);
126 rrddim_set(st, "multicast", rmulticast);
130 // --------------------------------------------------------------------
133 st = rrdset_find_bytype("net_errors", iface);
135 st = rrdset_create("net_errors", iface, NULL, iface, "Interface Errors", "errors/s", 1002, update_every, RRDSET_TYPE_LINE);
138 rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
139 rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
141 else rrdset_next(st);
143 rrddim_set(st, "inbound", rerrors);
144 rrddim_set(st, "outbound", terrors);
148 // --------------------------------------------------------------------
151 st = rrdset_find_bytype("net_drops", iface);
153 st = rrdset_create("net_drops", iface, NULL, iface, "Interface Drops", "drops/s", 1003, update_every, RRDSET_TYPE_LINE);
156 rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
157 rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
159 else rrdset_next(st);
161 rrddim_set(st, "inbound", rdrops);
162 rrddim_set(st, "outbound", tdrops);
166 // --------------------------------------------------------------------
169 st = rrdset_find_bytype("net_fifo", iface);
171 st = rrdset_create("net_fifo", iface, NULL, iface, "Interface Queue", "packets", 1100, update_every, RRDSET_TYPE_LINE);
174 rrddim_add(st, "receive", NULL, 1, 1, RRDDIM_ABSOLUTE);
175 rrddim_add(st, "transmit", NULL, -1, 1, RRDDIM_ABSOLUTE);
177 else rrdset_next(st);
179 rrddim_set(st, "receive", rfifo);
180 rrddim_set(st, "transmit", tfifo);
184 // --------------------------------------------------------------------
187 st = rrdset_find_bytype("net_compressed", iface);
189 st = rrdset_create("net_compressed", iface, NULL, iface, "Compressed Packets", "packets/s", 1200, update_every, RRDSET_TYPE_LINE);
192 rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
193 rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
195 else rrdset_next(st);
197 rrddim_set(st, "received", rcompressed);
198 rrddim_set(st, "sent", tcompressed);
202 // --------------------------------------------------------------------
205 st = rrdset_find_bytype("net_events", iface);
207 st = rrdset_create("net_events", iface, NULL, iface, "Network Interface Events", "events/s", 1200, update_every, RRDSET_TYPE_LINE);
210 rrddim_add(st, "frames", NULL, 1, 1, RRDDIM_INCREMENTAL);
211 rrddim_add(st, "collisions", NULL, -1, 1, RRDDIM_INCREMENTAL);
212 rrddim_add(st, "carrier", NULL, -1, 1, RRDDIM_INCREMENTAL);
214 else rrdset_next(st);
216 rrddim_set(st, "frames", rframe);
217 rrddim_set(st, "collisions", tcollisions);
218 rrddim_set(st, "carrier", tcarrier);