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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 11:19:16 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-24 09:53:24 +0000 |
commit | b5f8ee61a7f7e9bd291dd26b0585d03eb686c941 (patch) | |
tree | d4d31289c39fc00da064a825df13a0b98ce95b10 /collectors/proc.plugin/proc_net_sockstat.c | |
parent | Adding upstream version 1.44.3. (diff) | |
download | netdata-b5f8ee61a7f7e9bd291dd26b0585d03eb686c941.tar.xz netdata-b5f8ee61a7f7e9bd291dd26b0585d03eb686c941.zip |
Adding upstream version 1.46.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'collectors/proc.plugin/proc_net_sockstat.c')
-rw-r--r-- | collectors/proc.plugin/proc_net_sockstat.c | 529 |
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; -} - |