diff options
Diffstat (limited to 'src/proc_net_stat_synproxy.c')
| -rw-r--r-- | src/proc_net_stat_synproxy.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/src/proc_net_stat_synproxy.c b/src/proc_net_stat_synproxy.c deleted file mode 100644 index 0d6f6ee03..000000000 --- a/src/proc_net_stat_synproxy.c +++ /dev/null @@ -1,181 +0,0 @@ -#include "common.h" - -#define RRD_TYPE_NET_STAT_NETFILTER "netfilter" -#define RRD_TYPE_NET_STAT_SYNPROXY "synproxy" - -int do_proc_net_stat_synproxy(int update_every, usec_t dt) { - (void)dt; - - static int do_entries = -1, do_cookies = -1, do_syns = -1, do_reopened = -1; - static procfile *ff = NULL; - - if(unlikely(do_entries == -1)) { - do_entries = config_get_boolean_ondemand("plugin:proc:/proc/net/stat/synproxy", "SYNPROXY entries", CONFIG_BOOLEAN_AUTO); - do_cookies = config_get_boolean_ondemand("plugin:proc:/proc/net/stat/synproxy", "SYNPROXY cookies", CONFIG_BOOLEAN_AUTO); - do_syns = config_get_boolean_ondemand("plugin:proc:/proc/net/stat/synproxy", "SYNPROXY SYN received", CONFIG_BOOLEAN_AUTO); - do_reopened = config_get_boolean_ondemand("plugin:proc:/proc/net/stat/synproxy", "SYNPROXY connections reopened", CONFIG_BOOLEAN_AUTO); - } - - if(unlikely(!ff)) { - char filename[FILENAME_MAX + 1]; - snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/net/stat/synproxy"); - ff = procfile_open(config_get("plugin:proc:/proc/net/stat/synproxy", "filename to monitor", filename), " \t,:|", PROCFILE_FLAG_DEFAULT); - if(unlikely(!ff)) - return 1; - } - - ff = procfile_readall(ff); - if(unlikely(!ff)) - return 0; // we return 0, so that we will retry to open it next time - - // make sure we have 3 lines - size_t lines = procfile_lines(ff), l; - if(unlikely(lines < 2)) { - error("/proc/net/stat/synproxy has %zu lines, expected no less than 2. Disabling it.", lines); - return 1; - } - - unsigned long long entries = 0, syn_received = 0, cookie_invalid = 0, cookie_valid = 0, cookie_retrans = 0, conn_reopened = 0; - - // synproxy gives its values per CPU - for(l = 1; l < lines ;l++) { - size_t words = procfile_linewords(ff, l); - if(unlikely(words < 6)) - continue; - - entries += strtoull(procfile_lineword(ff, l, 0), NULL, 16); - syn_received += strtoull(procfile_lineword(ff, l, 1), NULL, 16); - cookie_invalid += strtoull(procfile_lineword(ff, l, 2), NULL, 16); - cookie_valid += strtoull(procfile_lineword(ff, l, 3), NULL, 16); - cookie_retrans += strtoull(procfile_lineword(ff, l, 4), NULL, 16); - conn_reopened += strtoull(procfile_lineword(ff, l, 5), NULL, 16); - } - - unsigned long long events = entries + syn_received + cookie_invalid + cookie_valid + cookie_retrans + conn_reopened; - - // -------------------------------------------------------------------- - - if((do_entries == CONFIG_BOOLEAN_AUTO && events) || do_entries == CONFIG_BOOLEAN_YES) { - do_entries = CONFIG_BOOLEAN_YES; - - static RRDSET *st = NULL; - if(unlikely(!st)) { - st = rrdset_create_localhost( - RRD_TYPE_NET_STAT_NETFILTER - , RRD_TYPE_NET_STAT_SYNPROXY "_entries" - , NULL - , RRD_TYPE_NET_STAT_SYNPROXY - , NULL - , "SYNPROXY Entries Used" - , "entries" - , "proc" - , "net/stat/synproxy" - , 3304 - , update_every - , RRDSET_TYPE_LINE - ); - - rrddim_add(st, "entries", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - } - else rrdset_next(st); - - rrddim_set(st, "entries", entries); - rrdset_done(st); - } - - // -------------------------------------------------------------------- - - if((do_syns == CONFIG_BOOLEAN_AUTO && events) || do_syns == CONFIG_BOOLEAN_YES) { - do_syns = CONFIG_BOOLEAN_YES; - - static RRDSET *st = NULL; - if(unlikely(!st)) { - st = rrdset_create_localhost( - RRD_TYPE_NET_STAT_NETFILTER - , RRD_TYPE_NET_STAT_SYNPROXY "_syn_received" - , NULL - , RRD_TYPE_NET_STAT_SYNPROXY - , NULL - , "SYNPROXY SYN Packets received" - , "SYN/s" - , "proc" - , "net/stat/synproxy" - , 3301 - , update_every - , RRDSET_TYPE_LINE - ); - - rrddim_add(st, "received", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - else rrdset_next(st); - - rrddim_set(st, "received", syn_received); - rrdset_done(st); - } - - // -------------------------------------------------------------------- - - if((do_reopened == CONFIG_BOOLEAN_AUTO && events) || do_reopened == CONFIG_BOOLEAN_YES) { - do_reopened = CONFIG_BOOLEAN_YES; - - static RRDSET *st = NULL; - if(unlikely(!st)) { - st = rrdset_create_localhost( - RRD_TYPE_NET_STAT_NETFILTER - , RRD_TYPE_NET_STAT_SYNPROXY "_conn_reopened" - , NULL - , RRD_TYPE_NET_STAT_SYNPROXY - , NULL - , "SYNPROXY Connections Reopened" - , "connections/s" - , "proc" - , "net/stat/synproxy" - , 3303 - , update_every - , RRDSET_TYPE_LINE - ); - - rrddim_add(st, "reopened", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - else rrdset_next(st); - - rrddim_set(st, "reopened", conn_reopened); - rrdset_done(st); - } - - // -------------------------------------------------------------------- - - if((do_cookies == CONFIG_BOOLEAN_AUTO && events) || do_cookies == CONFIG_BOOLEAN_YES) { - do_cookies = CONFIG_BOOLEAN_YES; - - static RRDSET *st = NULL; - if(unlikely(!st)) { - st = rrdset_create_localhost( - RRD_TYPE_NET_STAT_NETFILTER - , RRD_TYPE_NET_STAT_SYNPROXY "_cookies" - , NULL - , RRD_TYPE_NET_STAT_SYNPROXY - , NULL - , "SYNPROXY TCP Cookies" - , "cookies/s" - , "proc" - , "net/stat/synproxy" - , 3302 - , update_every - , RRDSET_TYPE_LINE - ); - - rrddim_add(st, "valid", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - rrddim_add(st, "invalid", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL); - rrddim_add(st, "retransmits", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - else rrdset_next(st); - - rrddim_set(st, "valid", cookie_valid); - rrddim_set(st, "invalid", cookie_invalid); - rrddim_set(st, "retransmits", cookie_retrans); - rrdset_done(st); - } - - return 0; -} |