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Diffstat (limited to 'collectors/proc.plugin/proc_net_sockstat.c')
-rw-r--r--collectors/proc.plugin/proc_net_sockstat.c529
1 files changed, 0 insertions, 529 deletions
diff --git a/collectors/proc.plugin/proc_net_sockstat.c b/collectors/proc.plugin/proc_net_sockstat.c
deleted file mode 100644
index b0feab5fa..000000000
--- a/collectors/proc.plugin/proc_net_sockstat.c
+++ /dev/null
@@ -1,529 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#include "plugin_proc.h"
-
-#define PLUGIN_PROC_MODULE_NET_SOCKSTAT_NAME "/proc/net/sockstat"
-
-static struct proc_net_sockstat {
- kernel_uint_t sockets_used;
-
- kernel_uint_t tcp_inuse;
- kernel_uint_t tcp_orphan;
- kernel_uint_t tcp_tw;
- kernel_uint_t tcp_alloc;
- kernel_uint_t tcp_mem;
-
- kernel_uint_t udp_inuse;
- kernel_uint_t udp_mem;
-
- kernel_uint_t udplite_inuse;
-
- kernel_uint_t raw_inuse;
-
- kernel_uint_t frag_inuse;
- kernel_uint_t frag_memory;
-} sockstat_root = { 0 };
-
-
-static int read_tcp_mem(void) {
- static char *filename = NULL;
- static const RRDVAR_ACQUIRED *tcp_mem_low_threshold = NULL,
- *tcp_mem_pressure_threshold = NULL,
- *tcp_mem_high_threshold = NULL;
-
- if(unlikely(!tcp_mem_low_threshold)) {
- tcp_mem_low_threshold = rrdvar_custom_host_variable_add_and_acquire(localhost, "tcp_mem_low");
- tcp_mem_pressure_threshold = rrdvar_custom_host_variable_add_and_acquire(localhost, "tcp_mem_pressure");
- tcp_mem_high_threshold = rrdvar_custom_host_variable_add_and_acquire(localhost, "tcp_mem_high");
- }
-
- if(unlikely(!filename)) {
- char buffer[FILENAME_MAX + 1];
- snprintfz(buffer, FILENAME_MAX, "%s/proc/sys/net/ipv4/tcp_mem", netdata_configured_host_prefix);
- filename = strdupz(buffer);
- }
-
- char buffer[200 + 1], *start, *end;
- if(read_file(filename, buffer, 200) != 0) return 1;
- buffer[200] = '\0';
-
- unsigned long long low = 0, pressure = 0, high = 0;
-
- start = buffer;
- low = strtoull(start, &end, 10);
-
- start = end;
- pressure = strtoull(start, &end, 10);
-
- start = end;
- high = strtoull(start, &end, 10);
-
- // fprintf(stderr, "TCP MEM low = %llu, pressure = %llu, high = %llu\n", low, pressure, high);
-
- rrdvar_custom_host_variable_set(localhost, tcp_mem_low_threshold, low * sysconf(_SC_PAGESIZE) / 1024.0);
- rrdvar_custom_host_variable_set(localhost, tcp_mem_pressure_threshold, pressure * sysconf(_SC_PAGESIZE) / 1024.0);
- rrdvar_custom_host_variable_set(localhost, tcp_mem_high_threshold, high * sysconf(_SC_PAGESIZE) / 1024.0);
-
- return 0;
-}
-
-static kernel_uint_t read_tcp_max_orphans(void) {
- static char *filename = NULL;
- static const RRDVAR_ACQUIRED *tcp_max_orphans_var = NULL;
-
- if(unlikely(!filename)) {
- char buffer[FILENAME_MAX + 1];
- snprintfz(buffer, FILENAME_MAX, "%s/proc/sys/net/ipv4/tcp_max_orphans", netdata_configured_host_prefix);
- filename = strdupz(buffer);
- }
-
- unsigned long long tcp_max_orphans = 0;
- if(read_single_number_file(filename, &tcp_max_orphans) == 0) {
-
- if(unlikely(!tcp_max_orphans_var))
- tcp_max_orphans_var = rrdvar_custom_host_variable_add_and_acquire(localhost, "tcp_max_orphans");
-
- rrdvar_custom_host_variable_set(localhost, tcp_max_orphans_var, tcp_max_orphans);
- return tcp_max_orphans;
- }
-
- return 0;
-}
-
-int do_proc_net_sockstat(int update_every, usec_t dt) {
- (void)dt;
-
- static procfile *ff = NULL;
-
- static uint32_t hash_sockets = 0,
- hash_raw = 0,
- hash_frag = 0,
- hash_tcp = 0,
- hash_udp = 0,
- hash_udplite = 0;
-
- static long long update_constants_every = 60, update_constants_count = 0;
-
- static ARL_BASE *arl_sockets = NULL;
- static ARL_BASE *arl_tcp = NULL;
- static ARL_BASE *arl_udp = NULL;
- static ARL_BASE *arl_udplite = NULL;
- static ARL_BASE *arl_raw = NULL;
- static ARL_BASE *arl_frag = NULL;
-
- static int do_sockets = -1, do_tcp_sockets = -1, do_tcp_mem = -1, do_udp_sockets = -1, do_udp_mem = -1, do_udplite_sockets = -1, do_raw_sockets = -1, do_frag_sockets = -1, do_frag_mem = -1;
-
- static char *keys[7] = { NULL };
- static uint32_t hashes[7] = { 0 };
- static ARL_BASE *bases[7] = { NULL };
-
- if(unlikely(!arl_sockets)) {
- do_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 sockets", CONFIG_BOOLEAN_AUTO);
- do_tcp_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 TCP sockets", CONFIG_BOOLEAN_AUTO);
- do_tcp_mem = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 TCP memory", CONFIG_BOOLEAN_AUTO);
- do_udp_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 UDP sockets", CONFIG_BOOLEAN_AUTO);
- do_udp_mem = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 UDP memory", CONFIG_BOOLEAN_AUTO);
- do_udplite_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 UDPLITE sockets", CONFIG_BOOLEAN_AUTO);
- do_raw_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 RAW sockets", CONFIG_BOOLEAN_AUTO);
- do_frag_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 FRAG sockets", CONFIG_BOOLEAN_AUTO);
- do_frag_mem = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 FRAG memory", CONFIG_BOOLEAN_AUTO);
-
- update_constants_every = config_get_number("plugin:proc:/proc/net/sockstat", "update constants every", update_constants_every);
- update_constants_count = update_constants_every;
-
- arl_sockets = arl_create("sockstat/sockets", arl_callback_str2kernel_uint_t, 60);
- arl_expect(arl_sockets, "used", &sockstat_root.sockets_used);
-
- arl_tcp = arl_create("sockstat/TCP", arl_callback_str2kernel_uint_t, 60);
- arl_expect(arl_tcp, "inuse", &sockstat_root.tcp_inuse);
- arl_expect(arl_tcp, "orphan", &sockstat_root.tcp_orphan);
- arl_expect(arl_tcp, "tw", &sockstat_root.tcp_tw);
- arl_expect(arl_tcp, "alloc", &sockstat_root.tcp_alloc);
- arl_expect(arl_tcp, "mem", &sockstat_root.tcp_mem);
-
- arl_udp = arl_create("sockstat/UDP", arl_callback_str2kernel_uint_t, 60);
- arl_expect(arl_udp, "inuse", &sockstat_root.udp_inuse);
- arl_expect(arl_udp, "mem", &sockstat_root.udp_mem);
-
- arl_udplite = arl_create("sockstat/UDPLITE", arl_callback_str2kernel_uint_t, 60);
- arl_expect(arl_udplite, "inuse", &sockstat_root.udplite_inuse);
-
- arl_raw = arl_create("sockstat/RAW", arl_callback_str2kernel_uint_t, 60);
- arl_expect(arl_raw, "inuse", &sockstat_root.raw_inuse);
-
- arl_frag = arl_create("sockstat/FRAG", arl_callback_str2kernel_uint_t, 60);
- arl_expect(arl_frag, "inuse", &sockstat_root.frag_inuse);
- arl_expect(arl_frag, "memory", &sockstat_root.frag_memory);
-
- hash_sockets = simple_hash("sockets");
- hash_tcp = simple_hash("TCP");
- hash_udp = simple_hash("UDP");
- hash_udplite = simple_hash("UDPLITE");
- hash_raw = simple_hash("RAW");
- hash_frag = simple_hash("FRAG");
-
- keys[0] = "sockets"; hashes[0] = hash_sockets; bases[0] = arl_sockets;
- keys[1] = "TCP"; hashes[1] = hash_tcp; bases[1] = arl_tcp;
- keys[2] = "UDP"; hashes[2] = hash_udp; bases[2] = arl_udp;
- keys[3] = "UDPLITE"; hashes[3] = hash_udplite; bases[3] = arl_udplite;
- keys[4] = "RAW"; hashes[4] = hash_raw; bases[4] = arl_raw;
- keys[5] = "FRAG"; hashes[5] = hash_frag; bases[5] = arl_frag;
- keys[6] = NULL; // terminator
- }
-
- update_constants_count += update_every;
- if(unlikely(update_constants_count > update_constants_every)) {
- read_tcp_max_orphans();
- read_tcp_mem();
- update_constants_count = 0;
- }
-
- if(unlikely(!ff)) {
- char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/net/sockstat");
- ff = procfile_open(config_get("plugin:proc:/proc/net/sockstat", "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
-
- size_t lines = procfile_lines(ff), l;
-
- for(l = 0; l < lines ;l++) {
- size_t words = procfile_linewords(ff, l);
- char *key = procfile_lineword(ff, l, 0);
- uint32_t hash = simple_hash(key);
-
- int k;
- for(k = 0; keys[k] ; k++) {
- if(unlikely(hash == hashes[k] && strcmp(key, keys[k]) == 0)) {
- // fprintf(stderr, "KEY: '%s', l=%zu, w=1, words=%zu\n", key, l, words);
- ARL_BASE *arl = bases[k];
- arl_begin(arl);
- size_t w = 1;
-
- while(w + 1 < words) {
- char *name = procfile_lineword(ff, l, w); w++;
- char *value = procfile_lineword(ff, l, w); w++;
- // fprintf(stderr, " > NAME '%s', VALUE '%s', l=%zu, w=%zu, words=%zu\n", name, value, l, w, words);
- if(unlikely(arl_check(arl, name, value) != 0))
- break;
- }
-
- break;
- }
- }
- }
-
- // ------------------------------------------------------------------------
-
- if(do_sockets == CONFIG_BOOLEAN_YES || (do_sockets == CONFIG_BOOLEAN_AUTO &&
- (sockstat_root.sockets_used ||
- netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
- do_sockets = CONFIG_BOOLEAN_YES;
-
- static RRDSET *st = NULL;
- static RRDDIM *rd_used = NULL;
-
- if(unlikely(!st)) {
- st = rrdset_create_localhost(
- "ip"
- , "sockstat_sockets"
- , NULL
- , "sockets"
- , NULL
- , "Sockets used for all address families"
- , "sockets"
- , PLUGIN_PROC_NAME
- , PLUGIN_PROC_MODULE_NET_SOCKSTAT_NAME
- , NETDATA_CHART_PRIO_IP_SOCKETS
- , update_every
- , RRDSET_TYPE_LINE
- );
-
- rd_used = rrddim_add(st, "used", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
- }
-
- rrddim_set_by_pointer(st, rd_used, (collected_number)sockstat_root.sockets_used);
- rrdset_done(st);
- }
-
- // ------------------------------------------------------------------------
-
- if(do_tcp_sockets == CONFIG_BOOLEAN_YES || (do_tcp_sockets == CONFIG_BOOLEAN_AUTO &&
- (sockstat_root.tcp_inuse ||
- sockstat_root.tcp_orphan ||
- sockstat_root.tcp_tw ||
- sockstat_root.tcp_alloc ||
- netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
- do_tcp_sockets = CONFIG_BOOLEAN_YES;
-
- static RRDSET *st = NULL;
- static RRDDIM *rd_inuse = NULL,
- *rd_orphan = NULL,
- *rd_timewait = NULL,
- *rd_alloc = NULL;
-
- if(unlikely(!st)) {
- st = rrdset_create_localhost(
- "ipv4"
- , "sockstat_tcp_sockets"
- , NULL
- , "tcp"
- , NULL
- , "TCP Sockets"
- , "sockets"
- , PLUGIN_PROC_NAME
- , PLUGIN_PROC_MODULE_NET_SOCKSTAT_NAME
- , NETDATA_CHART_PRIO_IPV4_TCP_SOCKETS
- , update_every
- , RRDSET_TYPE_LINE
- );
-
- rd_alloc = rrddim_add(st, "alloc", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
- rd_orphan = rrddim_add(st, "orphan", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
- rd_inuse = rrddim_add(st, "inuse", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
- rd_timewait = rrddim_add(st, "timewait", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
- }
-
- rrddim_set_by_pointer(st, rd_inuse, (collected_number)sockstat_root.tcp_inuse);
- rrddim_set_by_pointer(st, rd_orphan, (collected_number)sockstat_root.tcp_orphan);
- rrddim_set_by_pointer(st, rd_timewait, (collected_number)sockstat_root.tcp_tw);
- rrddim_set_by_pointer(st, rd_alloc, (collected_number)sockstat_root.tcp_alloc);
- rrdset_done(st);
- }
-
- // ------------------------------------------------------------------------
-
- if(do_tcp_mem == CONFIG_BOOLEAN_YES || (do_tcp_mem == CONFIG_BOOLEAN_AUTO &&
- (sockstat_root.tcp_mem || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
- do_tcp_mem = CONFIG_BOOLEAN_YES;
-
- static RRDSET *st = NULL;
- static RRDDIM *rd_mem = NULL;
-
- if(unlikely(!st)) {
- st = rrdset_create_localhost(
- "ipv4"
- , "sockstat_tcp_mem"
- , NULL
- , "tcp"
- , NULL
- , "TCP Sockets Memory"
- , "KiB"
- , PLUGIN_PROC_NAME
- , PLUGIN_PROC_MODULE_NET_SOCKSTAT_NAME
- , NETDATA_CHART_PRIO_IPV4_TCP_SOCKETS_MEM
- , update_every
- , RRDSET_TYPE_AREA
- );
-
- rd_mem = rrddim_add(st, "mem", NULL, sysconf(_SC_PAGESIZE), 1024, RRD_ALGORITHM_ABSOLUTE);
- }
-
- rrddim_set_by_pointer(st, rd_mem, (collected_number)sockstat_root.tcp_mem);
- rrdset_done(st);
- }
-
- // ------------------------------------------------------------------------
-
- if(do_udp_sockets == CONFIG_BOOLEAN_YES || (do_udp_sockets == CONFIG_BOOLEAN_AUTO &&
- (sockstat_root.udp_inuse ||
- netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
- do_udp_sockets = CONFIG_BOOLEAN_YES;
-
- static RRDSET *st = NULL;
- static RRDDIM *rd_inuse = NULL;
-
- if(unlikely(!st)) {
- st = rrdset_create_localhost(
- "ipv4"
- , "sockstat_udp_sockets"
- , NULL
- , "udp"
- , NULL
- , "IPv4 UDP Sockets"
- , "sockets"
- , PLUGIN_PROC_NAME
- , PLUGIN_PROC_MODULE_NET_SOCKSTAT_NAME
- , NETDATA_CHART_PRIO_IPV4_UDP_SOCKETS
- , update_every
- , RRDSET_TYPE_LINE
- );
-
- rd_inuse = rrddim_add(st, "inuse", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
- }
-
- rrddim_set_by_pointer(st, rd_inuse, (collected_number)sockstat_root.udp_inuse);
- rrdset_done(st);
- }
-
- // ------------------------------------------------------------------------
-
- if(do_udp_mem == CONFIG_BOOLEAN_YES || (do_udp_mem == CONFIG_BOOLEAN_AUTO &&
- (sockstat_root.udp_mem ||
- netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
- do_udp_mem = CONFIG_BOOLEAN_YES;
-
- static RRDSET *st = NULL;
- static RRDDIM *rd_mem = NULL;
-
- if(unlikely(!st)) {
- st = rrdset_create_localhost(
- "ipv4"
- , "sockstat_udp_mem"
- , NULL
- , "udp"
- , NULL
- , "IPv4 UDP Sockets Memory"
- , "KiB"
- , PLUGIN_PROC_NAME
- , PLUGIN_PROC_MODULE_NET_SOCKSTAT_NAME
- , NETDATA_CHART_PRIO_IPV4_UDP_SOCKETS_MEM
- , update_every
- , RRDSET_TYPE_AREA
- );
-
- rd_mem = rrddim_add(st, "mem", NULL, sysconf(_SC_PAGESIZE), 1024, RRD_ALGORITHM_ABSOLUTE);
- }
-
- rrddim_set_by_pointer(st, rd_mem, (collected_number)sockstat_root.udp_mem);
- rrdset_done(st);
- }
-
- // ------------------------------------------------------------------------
-
- if(do_udplite_sockets == CONFIG_BOOLEAN_YES || (do_udplite_sockets == CONFIG_BOOLEAN_AUTO &&
- (sockstat_root.udplite_inuse ||
- netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
- do_udplite_sockets = CONFIG_BOOLEAN_YES;
-
- static RRDSET *st = NULL;
- static RRDDIM *rd_inuse = NULL;
-
- if(unlikely(!st)) {
- st = rrdset_create_localhost(
- "ipv4"
- , "sockstat_udplite_sockets"
- , NULL
- , "udplite"
- , NULL
- , "IPv4 UDPLITE Sockets"
- , "sockets"
- , PLUGIN_PROC_NAME
- , PLUGIN_PROC_MODULE_NET_SOCKSTAT_NAME
- , NETDATA_CHART_PRIO_IPV4_UDPLITE_SOCKETS
- , update_every
- , RRDSET_TYPE_LINE
- );
-
- rd_inuse = rrddim_add(st, "inuse", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
- }
-
- rrddim_set_by_pointer(st, rd_inuse, (collected_number)sockstat_root.udplite_inuse);
- rrdset_done(st);
- }
-
- // ------------------------------------------------------------------------
-
- if(do_raw_sockets == CONFIG_BOOLEAN_YES || (do_raw_sockets == CONFIG_BOOLEAN_AUTO &&
- (sockstat_root.raw_inuse ||
- netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
- do_raw_sockets = CONFIG_BOOLEAN_YES;
-
- static RRDSET *st = NULL;
- static RRDDIM *rd_inuse = NULL;
-
- if(unlikely(!st)) {
- st = rrdset_create_localhost(
- "ipv4"
- , "sockstat_raw_sockets"
- , NULL
- , "raw"
- , NULL
- , "IPv4 RAW Sockets"
- , "sockets"
- , PLUGIN_PROC_NAME
- , PLUGIN_PROC_MODULE_NET_SOCKSTAT_NAME
- , NETDATA_CHART_PRIO_IPV4_RAW
- , update_every
- , RRDSET_TYPE_LINE
- );
-
- rd_inuse = rrddim_add(st, "inuse", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
- }
-
- rrddim_set_by_pointer(st, rd_inuse, (collected_number)sockstat_root.raw_inuse);
- rrdset_done(st);
- }
-
- // ------------------------------------------------------------------------
-
- if(do_frag_sockets == CONFIG_BOOLEAN_YES || (do_frag_sockets == CONFIG_BOOLEAN_AUTO &&
- (sockstat_root.frag_inuse ||
- netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
- do_frag_sockets = CONFIG_BOOLEAN_YES;
-
- static RRDSET *st = NULL;
- static RRDDIM *rd_inuse = NULL;
-
- if(unlikely(!st)) {
- st = rrdset_create_localhost(
- "ipv4"
- , "sockstat_frag_sockets"
- , NULL
- , "fragments"
- , NULL
- , "IPv4 FRAG Sockets"
- , "fragments"
- , PLUGIN_PROC_NAME
- , PLUGIN_PROC_MODULE_NET_SOCKSTAT_NAME
- , NETDATA_CHART_PRIO_IPV4_FRAGMENTS_SOCKETS
- , update_every
- , RRDSET_TYPE_LINE
- );
-
- rd_inuse = rrddim_add(st, "inuse", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
- }
-
- rrddim_set_by_pointer(st, rd_inuse, (collected_number)sockstat_root.frag_inuse);
- rrdset_done(st);
- }
-
- // ------------------------------------------------------------------------
-
- if(do_frag_mem == CONFIG_BOOLEAN_YES || (do_frag_mem == CONFIG_BOOLEAN_AUTO &&
- (sockstat_root.frag_memory ||
- netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
- do_frag_mem = CONFIG_BOOLEAN_YES;
-
- static RRDSET *st = NULL;
- static RRDDIM *rd_mem = NULL;
-
- if(unlikely(!st)) {
- st = rrdset_create_localhost(
- "ipv4"
- , "sockstat_frag_mem"
- , NULL
- , "fragments"
- , NULL
- , "IPv4 FRAG Sockets Memory"
- , "KiB"
- , PLUGIN_PROC_NAME
- , PLUGIN_PROC_MODULE_NET_SOCKSTAT_NAME
- , NETDATA_CHART_PRIO_IPV4_FRAGMENTS_SOCKETS_MEM
- , update_every
- , RRDSET_TYPE_AREA
- );
-
- rd_mem = rrddim_add(st, "mem", NULL, 1, 1024, RRD_ALGORITHM_ABSOLUTE);
- }
-
- rrddim_set_by_pointer(st, rd_mem, (collected_number)sockstat_root.frag_memory);
- rrdset_done(st);
- }
-
- return 0;
-}
-