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proc_net_sockstat6.c
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proc_net_sockstat6.c
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// SPDX-License-Identifier: GPL-3.0-or-later
#include "plugin_proc.h"
#define PLUGIN_PROC_MODULE_NET_SOCKSTAT6_NAME "/proc/net/sockstat6"
static struct proc_net_sockstat6 {
kernel_uint_t tcp6_inuse;
kernel_uint_t udp6_inuse;
kernel_uint_t udplite6_inuse;
kernel_uint_t raw6_inuse;
kernel_uint_t frag6_inuse;
} sockstat6_root = { 0 };
int do_proc_net_sockstat6(int update_every, usec_t dt) {
(void)dt;
static procfile *ff = NULL;
static uint32_t hash_raw = 0,
hash_frag = 0,
hash_tcp = 0,
hash_udp = 0,
hash_udplite = 0;
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_tcp_sockets = -1, do_udp_sockets = -1, do_udplite_sockets = -1, do_raw_sockets = -1, do_frag_sockets = -1;
static char *keys[6] = { NULL };
static uint32_t hashes[6] = { 0 };
static ARL_BASE *bases[6] = { NULL };
if(unlikely(!arl_tcp)) {
do_tcp_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat6", "ipv6 TCP sockets", CONFIG_BOOLEAN_AUTO);
do_udp_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat6", "ipv6 UDP sockets", CONFIG_BOOLEAN_AUTO);
do_udplite_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat6", "ipv6 UDPLITE sockets", CONFIG_BOOLEAN_AUTO);
do_raw_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat6", "ipv6 RAW sockets", CONFIG_BOOLEAN_AUTO);
do_frag_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat6", "ipv6 FRAG sockets", CONFIG_BOOLEAN_AUTO);
arl_tcp = arl_create("sockstat6/TCP6", arl_callback_str2kernel_uint_t, 60);
arl_expect(arl_tcp, "inuse", &sockstat6_root.tcp6_inuse);
arl_udp = arl_create("sockstat6/UDP6", arl_callback_str2kernel_uint_t, 60);
arl_expect(arl_udp, "inuse", &sockstat6_root.udp6_inuse);
arl_udplite = arl_create("sockstat6/UDPLITE6", arl_callback_str2kernel_uint_t, 60);
arl_expect(arl_udplite, "inuse", &sockstat6_root.udplite6_inuse);
arl_raw = arl_create("sockstat6/RAW6", arl_callback_str2kernel_uint_t, 60);
arl_expect(arl_raw, "inuse", &sockstat6_root.raw6_inuse);
arl_frag = arl_create("sockstat6/FRAG6", arl_callback_str2kernel_uint_t, 60);
arl_expect(arl_frag, "inuse", &sockstat6_root.frag6_inuse);
hash_tcp = simple_hash("TCP6");
hash_udp = simple_hash("UDP6");
hash_udplite = simple_hash("UDPLITE6");
hash_raw = simple_hash("RAW6");
hash_frag = simple_hash("FRAG6");
keys[0] = "TCP6"; hashes[0] = hash_tcp; bases[0] = arl_tcp;
keys[1] = "UDP6"; hashes[1] = hash_udp; bases[1] = arl_udp;
keys[2] = "UDPLITE6"; hashes[2] = hash_udplite; bases[2] = arl_udplite;
keys[3] = "RAW6"; hashes[3] = hash_raw; bases[3] = arl_raw;
keys[4] = "FRAG6"; hashes[4] = hash_frag; bases[4] = arl_frag;
keys[5] = NULL; // terminator
}
if(unlikely(!ff)) {
char filename[FILENAME_MAX + 1];
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/net/sockstat6");
ff = procfile_open(config_get("plugin:proc:/proc/net/sockstat6", "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_tcp_sockets == CONFIG_BOOLEAN_YES || (do_tcp_sockets == CONFIG_BOOLEAN_AUTO &&
(sockstat6_root.tcp6_inuse ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_tcp_sockets = CONFIG_BOOLEAN_YES;
static RRDSET *st = NULL;
static RRDDIM *rd_inuse = NULL;
if(unlikely(!st)) {
st = rrdset_create_localhost(
"ipv6"
, "sockstat6_tcp_sockets"
, NULL
, "tcp6"
, NULL
, "IPv6 TCP Sockets"
, "sockets"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SOCKSTAT6_NAME
, NETDATA_CHART_PRIO_IPV6_TCP
, update_every
, RRDSET_TYPE_LINE
);
rd_inuse = rrddim_add(st, "inuse", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_inuse, (collected_number)sockstat6_root.tcp6_inuse);
rrdset_done(st);
}
// ------------------------------------------------------------------------
if(do_udp_sockets == CONFIG_BOOLEAN_YES || (do_udp_sockets == CONFIG_BOOLEAN_AUTO &&
(sockstat6_root.udp6_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(
"ipv6"
, "sockstat6_udp_sockets"
, NULL
, "udp6"
, NULL
, "IPv6 UDP Sockets"
, "sockets"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SOCKSTAT6_NAME
, NETDATA_CHART_PRIO_IPV6_UDP
, update_every
, RRDSET_TYPE_LINE
);
rd_inuse = rrddim_add(st, "inuse", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_inuse, (collected_number)sockstat6_root.udp6_inuse);
rrdset_done(st);
}
// ------------------------------------------------------------------------
if(do_udplite_sockets == CONFIG_BOOLEAN_YES || (do_udplite_sockets == CONFIG_BOOLEAN_AUTO &&
(sockstat6_root.udplite6_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(
"ipv6"
, "sockstat6_udplite_sockets"
, NULL
, "udplite6"
, NULL
, "IPv6 UDPLITE Sockets"
, "sockets"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SOCKSTAT6_NAME
, NETDATA_CHART_PRIO_IPV6_UDPLITE
, update_every
, RRDSET_TYPE_LINE
);
rd_inuse = rrddim_add(st, "inuse", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_inuse, (collected_number)sockstat6_root.udplite6_inuse);
rrdset_done(st);
}
// ------------------------------------------------------------------------
if(do_raw_sockets == CONFIG_BOOLEAN_YES || (do_raw_sockets == CONFIG_BOOLEAN_AUTO &&
(sockstat6_root.raw6_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(
"ipv6"
, "sockstat6_raw_sockets"
, NULL
, "raw6"
, NULL
, "IPv6 RAW Sockets"
, "sockets"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SOCKSTAT6_NAME
, NETDATA_CHART_PRIO_IPV6_RAW
, update_every
, RRDSET_TYPE_LINE
);
rd_inuse = rrddim_add(st, "inuse", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_inuse, (collected_number)sockstat6_root.raw6_inuse);
rrdset_done(st);
}
// ------------------------------------------------------------------------
if(do_frag_sockets == CONFIG_BOOLEAN_YES || (do_frag_sockets == CONFIG_BOOLEAN_AUTO &&
(sockstat6_root.frag6_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(
"ipv6"
, "sockstat6_frag_sockets"
, NULL
, "fragments6"
, NULL
, "IPv6 FRAG Sockets"
, "fragments"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SOCKSTAT6_NAME
, NETDATA_CHART_PRIO_IPV6_FRAGMENTS
, update_every
, RRDSET_TYPE_LINE
);
rd_inuse = rrddim_add(st, "inuse", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_inuse, (collected_number)sockstat6_root.frag6_inuse);
rrdset_done(st);
}
return 0;
}