3 #define RRD_TYPE_NET_STAT_NETFILTER "netfilter"
4 #define RRD_TYPE_NET_STAT_CONNTRACK "conntrack"
5 #define RRD_TYPE_NET_STAT_CONNTRACK_LEN strlen(RRD_TYPE_NET_STAT_CONNTRACK)
7 int do_proc_net_stat_conntrack(int update_every, unsigned long long dt) {
8 static procfile *ff = NULL;
9 static int do_sockets = -1, do_new = -1, do_changes = -1, do_expect = -1, do_search = -1, do_errors = -1;
11 if(do_sockets == -1) do_sockets = config_get_boolean("plugin:proc:/proc/net/stat/nf_conntrack", "netfilter connections", 1);
12 if(do_new == -1) do_new = config_get_boolean("plugin:proc:/proc/net/stat/nf_conntrack", "netfilter new connections", 1);
13 if(do_changes == -1) do_changes = config_get_boolean("plugin:proc:/proc/net/stat/nf_conntrack", "netfilter connection changes", 1);
14 if(do_expect == -1) do_expect = config_get_boolean("plugin:proc:/proc/net/stat/nf_conntrack", "netfilter connection expectations", 1);
15 if(do_search == -1) do_search = config_get_boolean("plugin:proc:/proc/net/stat/nf_conntrack", "netfilter connection searches", 1);
16 if(do_errors == -1) do_errors = config_get_boolean("plugin:proc:/proc/net/stat/nf_conntrack", "netfilter errors", 1);
21 char filename[FILENAME_MAX + 1];
22 snprintfz(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/stat/nf_conntrack");
23 ff = procfile_open(config_get("plugin:proc:/proc/net/stat/nf_conntrack", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
27 ff = procfile_readall(ff);
28 if(!ff) return 0; // we return 0, so that we will retry to open it next time
30 uint32_t lines = procfile_lines(ff), l;
33 unsigned long long aentries = 0, asearched = 0, afound = 0, anew = 0, ainvalid = 0, aignore = 0, adelete = 0, adelete_list = 0,
34 ainsert = 0, ainsert_failed = 0, adrop = 0, aearly_drop = 0, aicmp_error = 0, aexpect_new = 0, aexpect_create = 0, aexpect_delete = 0, asearch_restart = 0;
36 for(l = 1; l < lines ;l++) {
37 words = procfile_linewords(ff, l);
39 if(words) error("Cannot read /proc/net/stat/nf_conntrack line. Expected 17 params, read %u.", words);
43 unsigned long long tentries = 0, tsearched = 0, tfound = 0, tnew = 0, tinvalid = 0, tignore = 0, tdelete = 0, tdelete_list = 0, tinsert = 0, tinsert_failed = 0, tdrop = 0, tearly_drop = 0, ticmp_error = 0, texpect_new = 0, texpect_create = 0, texpect_delete = 0, tsearch_restart = 0;
45 tentries = strtoull(procfile_lineword(ff, l, 0), NULL, 16);
46 tsearched = strtoull(procfile_lineword(ff, l, 1), NULL, 16);
47 tfound = strtoull(procfile_lineword(ff, l, 2), NULL, 16);
48 tnew = strtoull(procfile_lineword(ff, l, 3), NULL, 16);
49 tinvalid = strtoull(procfile_lineword(ff, l, 4), NULL, 16);
50 tignore = strtoull(procfile_lineword(ff, l, 5), NULL, 16);
51 tdelete = strtoull(procfile_lineword(ff, l, 6), NULL, 16);
52 tdelete_list = strtoull(procfile_lineword(ff, l, 7), NULL, 16);
53 tinsert = strtoull(procfile_lineword(ff, l, 8), NULL, 16);
54 tinsert_failed = strtoull(procfile_lineword(ff, l, 9), NULL, 16);
55 tdrop = strtoull(procfile_lineword(ff, l, 10), NULL, 16);
56 tearly_drop = strtoull(procfile_lineword(ff, l, 11), NULL, 16);
57 ticmp_error = strtoull(procfile_lineword(ff, l, 12), NULL, 16);
58 texpect_new = strtoull(procfile_lineword(ff, l, 13), NULL, 16);
59 texpect_create = strtoull(procfile_lineword(ff, l, 14), NULL, 16);
60 texpect_delete = strtoull(procfile_lineword(ff, l, 15), NULL, 16);
61 tsearch_restart = strtoull(procfile_lineword(ff, l, 16), NULL, 16);
63 if(!aentries) aentries = tentries;
65 // sum all the cpus together
66 asearched += tsearched; // conntrack.search
67 afound += tfound; // conntrack.search
68 anew += tnew; // conntrack.new
69 ainvalid += tinvalid; // conntrack.new
70 aignore += tignore; // conntrack.new
71 adelete += tdelete; // conntrack.changes
72 adelete_list += tdelete_list; // conntrack.changes
73 ainsert += tinsert; // conntrack.changes
74 ainsert_failed += tinsert_failed; // conntrack.errors
75 adrop += tdrop; // conntrack.errors
76 aearly_drop += tearly_drop; // conntrack.errors
77 aicmp_error += ticmp_error; // conntrack.errors
78 aexpect_new += texpect_new; // conntrack.expect
79 aexpect_create += texpect_create; // conntrack.expect
80 aexpect_delete += texpect_delete; // conntrack.expect
81 asearch_restart += tsearch_restart; // conntrack.search
86 // --------------------------------------------------------------------
89 st = rrdset_find(RRD_TYPE_NET_STAT_NETFILTER "." RRD_TYPE_NET_STAT_CONNTRACK "_sockets");
91 st = rrdset_create(RRD_TYPE_NET_STAT_NETFILTER, RRD_TYPE_NET_STAT_CONNTRACK "_sockets", NULL, RRD_TYPE_NET_STAT_CONNTRACK, NULL, "Connection Tracker Connections", "active connections", 1000, update_every, RRDSET_TYPE_LINE);
93 rrddim_add(st, "connections", NULL, 1, 1, RRDDIM_ABSOLUTE);
97 rrddim_set(st, "connections", aentries);
101 // --------------------------------------------------------------------
104 st = rrdset_find(RRD_TYPE_NET_STAT_NETFILTER "." RRD_TYPE_NET_STAT_CONNTRACK "_new");
106 st = rrdset_create(RRD_TYPE_NET_STAT_NETFILTER, RRD_TYPE_NET_STAT_CONNTRACK "_new", NULL, RRD_TYPE_NET_STAT_CONNTRACK, NULL, "Connection Tracker New Connections", "connections/s", 1001, update_every, RRDSET_TYPE_LINE);
108 rrddim_add(st, "new", NULL, 1, 1, RRDDIM_INCREMENTAL);
109 rrddim_add(st, "ignore", NULL, -1, 1, RRDDIM_INCREMENTAL);
110 rrddim_add(st, "invalid", NULL, -1, 1, RRDDIM_INCREMENTAL);
112 else rrdset_next(st);
114 rrddim_set(st, "new", anew);
115 rrddim_set(st, "ignore", aignore);
116 rrddim_set(st, "invalid", ainvalid);
120 // --------------------------------------------------------------------
123 st = rrdset_find(RRD_TYPE_NET_STAT_NETFILTER "." RRD_TYPE_NET_STAT_CONNTRACK "_changes");
125 st = rrdset_create(RRD_TYPE_NET_STAT_NETFILTER, RRD_TYPE_NET_STAT_CONNTRACK "_changes", NULL, RRD_TYPE_NET_STAT_CONNTRACK, NULL, "Connection Tracker Changes", "changes/s", 1002, update_every, RRDSET_TYPE_LINE);
128 rrddim_add(st, "inserted", NULL, 1, 1, RRDDIM_INCREMENTAL);
129 rrddim_add(st, "deleted", NULL, -1, 1, RRDDIM_INCREMENTAL);
130 rrddim_add(st, "delete_list", NULL, -1, 1, RRDDIM_INCREMENTAL);
132 else rrdset_next(st);
134 rrddim_set(st, "inserted", ainsert);
135 rrddim_set(st, "deleted", adelete);
136 rrddim_set(st, "delete_list", adelete_list);
140 // --------------------------------------------------------------------
143 st = rrdset_find(RRD_TYPE_NET_STAT_NETFILTER "." RRD_TYPE_NET_STAT_CONNTRACK "_expect");
145 st = rrdset_create(RRD_TYPE_NET_STAT_NETFILTER, RRD_TYPE_NET_STAT_CONNTRACK "_expect", NULL, RRD_TYPE_NET_STAT_CONNTRACK, NULL, "Connection Tracker Expectations", "expectations/s", 1003, update_every, RRDSET_TYPE_LINE);
148 rrddim_add(st, "created", NULL, 1, 1, RRDDIM_INCREMENTAL);
149 rrddim_add(st, "deleted", NULL, -1, 1, RRDDIM_INCREMENTAL);
150 rrddim_add(st, "new", NULL, 1, 1, RRDDIM_INCREMENTAL);
152 else rrdset_next(st);
154 rrddim_set(st, "created", aexpect_create);
155 rrddim_set(st, "deleted", aexpect_delete);
156 rrddim_set(st, "new", aexpect_new);
160 // --------------------------------------------------------------------
163 st = rrdset_find(RRD_TYPE_NET_STAT_NETFILTER "." RRD_TYPE_NET_STAT_CONNTRACK "_search");
165 st = rrdset_create(RRD_TYPE_NET_STAT_NETFILTER, RRD_TYPE_NET_STAT_CONNTRACK "_search", NULL, RRD_TYPE_NET_STAT_CONNTRACK, NULL, "Connection Tracker Searches", "searches/s", 1010, update_every, RRDSET_TYPE_LINE);
168 rrddim_add(st, "searched", NULL, 1, 1, RRDDIM_INCREMENTAL);
169 rrddim_add(st, "restarted", NULL, -1, 1, RRDDIM_INCREMENTAL);
170 rrddim_add(st, "found", NULL, 1, 1, RRDDIM_INCREMENTAL);
172 else rrdset_next(st);
174 rrddim_set(st, "searched", asearched);
175 rrddim_set(st, "restarted", asearch_restart);
176 rrddim_set(st, "found", afound);
180 // --------------------------------------------------------------------
183 st = rrdset_find(RRD_TYPE_NET_STAT_NETFILTER "." RRD_TYPE_NET_STAT_CONNTRACK "_errors");
185 st = rrdset_create(RRD_TYPE_NET_STAT_NETFILTER, RRD_TYPE_NET_STAT_CONNTRACK "_errors", NULL, RRD_TYPE_NET_STAT_CONNTRACK, NULL, "Connection Tracker Errors", "events/s", 1005, update_every, RRDSET_TYPE_LINE);
188 rrddim_add(st, "icmp_error", NULL, 1, 1, RRDDIM_INCREMENTAL);
189 rrddim_add(st, "insert_failed", NULL, -1, 1, RRDDIM_INCREMENTAL);
190 rrddim_add(st, "drop", NULL, -1, 1, RRDDIM_INCREMENTAL);
191 rrddim_add(st, "early_drop", NULL, -1, 1, RRDDIM_INCREMENTAL);
193 else rrdset_next(st);
195 rrddim_set(st, "icmp_error", aicmp_error);
196 rrddim_set(st, "insert_failed", ainsert_failed);
197 rrddim_set(st, "drop", adrop);
198 rrddim_set(st, "early_drop", aearly_drop);