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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 12:08:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 12:08:18 +0000 |
commit | 5da14042f70711ea5cf66e034699730335462f66 (patch) | |
tree | 0f6354ccac934ed87a2d555f45be4c831cf92f4a /collectors/proc.plugin/proc_net_stat_synproxy.c | |
parent | Releasing debian version 1.44.3-2. (diff) | |
download | netdata-5da14042f70711ea5cf66e034699730335462f66.tar.xz netdata-5da14042f70711ea5cf66e034699730335462f66.zip |
Merging upstream version 1.45.3+dfsg.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'collectors/proc.plugin/proc_net_stat_synproxy.c')
-rw-r--r-- | collectors/proc.plugin/proc_net_stat_synproxy.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/collectors/proc.plugin/proc_net_stat_synproxy.c b/collectors/proc.plugin/proc_net_stat_synproxy.c deleted file mode 100644 index e23a0ab7b..000000000 --- a/collectors/proc.plugin/proc_net_stat_synproxy.c +++ /dev/null @@ -1,153 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#include "plugin_proc.h" - -#define PLUGIN_PROC_MODULE_SYNPROXY_NAME "/proc/net/stat/synproxy" - -#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_cookies = -1, do_syns = -1, do_reopened = -1; - static procfile *ff = NULL; - - if(unlikely(do_cookies == -1)) { - 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)) { - collector_error("/proc/net/stat/synproxy has %zu lines, expected no less than 2. Disabling it.", lines); - return 1; - } - - unsigned long long 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; - - 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 = syn_received + cookie_invalid + cookie_valid + cookie_retrans + conn_reopened; - - // -------------------------------------------------------------------- - - if(do_syns == CONFIG_BOOLEAN_YES || (do_syns == CONFIG_BOOLEAN_AUTO && - (events || netdata_zero_metrics_enabled == 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" - , "packets/s" - , PLUGIN_PROC_NAME - , PLUGIN_PROC_MODULE_SYNPROXY_NAME - , NETDATA_CHART_PRIO_SYNPROXY_SYN_RECEIVED - , update_every - , RRDSET_TYPE_LINE - ); - - rrddim_add(st, "received", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - - rrddim_set(st, "received", syn_received); - rrdset_done(st); - } - - // -------------------------------------------------------------------- - - if(do_reopened == CONFIG_BOOLEAN_YES || (do_reopened == CONFIG_BOOLEAN_AUTO && - (events || netdata_zero_metrics_enabled == 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" - , PLUGIN_PROC_NAME - , PLUGIN_PROC_MODULE_SYNPROXY_NAME - , NETDATA_CHART_PRIO_SYNPROXY_CONN_OPEN - , update_every - , RRDSET_TYPE_LINE - ); - - rrddim_add(st, "reopened", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); - } - - rrddim_set(st, "reopened", conn_reopened); - rrdset_done(st); - } - - // -------------------------------------------------------------------- - - if(do_cookies == CONFIG_BOOLEAN_YES || (do_cookies == CONFIG_BOOLEAN_AUTO && - (events || netdata_zero_metrics_enabled == 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" - , PLUGIN_PROC_NAME - , PLUGIN_PROC_MODULE_SYNPROXY_NAME - , NETDATA_CHART_PRIO_SYNPROXY_COOKIES - , 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); - } - - rrddim_set(st, "valid", cookie_valid); - rrddim_set(st, "invalid", cookie_invalid); - rrddim_set(st, "retransmits", cookie_retrans); - rrdset_done(st); - } - - return 0; -} |