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proc_net_netstat.c
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proc_net_netstat.c
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// SPDX-License-Identifier: GPL-3.0-or-later
#include "plugin_proc.h"
#define RRD_TYPE_NET_NETSTAT "ip"
#define PLUGIN_PROC_MODULE_NETSTAT_NAME "/proc/net/netstat"
#define CONFIG_SECTION_PLUGIN_PROC_NETSTAT "plugin:" PLUGIN_PROC_CONFIG_NAME ":" PLUGIN_PROC_MODULE_NETSTAT_NAME
unsigned long long tcpext_TCPSynRetrans = 0;
static void parse_line_pair(procfile *ff, ARL_BASE *base, size_t header_line, size_t values_line) {
size_t hwords = procfile_linewords(ff, header_line);
size_t vwords = procfile_linewords(ff, values_line);
size_t w;
if(unlikely(vwords > hwords)) {
error("File /proc/net/netstat on header line %zu has %zu words, but on value line %zu has %zu words.", header_line, hwords, values_line, vwords);
vwords = hwords;
}
for(w = 1; w < vwords ;w++) {
if(unlikely(arl_check(base, procfile_lineword(ff, header_line, w), procfile_lineword(ff, values_line, w))))
break;
}
}
int do_proc_net_netstat(int update_every, usec_t dt) {
(void)dt;
static int do_bandwidth = -1, do_inerrors = -1, do_mcast = -1, do_bcast = -1, do_mcast_p = -1, do_bcast_p = -1, do_ecn = -1, \
do_tcpext_reorder = -1, do_tcpext_syscookies = -1, do_tcpext_ofo = -1, do_tcpext_connaborts = -1, do_tcpext_memory = -1,
do_tcpext_syn_queue = -1, do_tcpext_accept_queue = -1;
static uint32_t hash_ipext = 0, hash_tcpext = 0;
static procfile *ff = NULL;
static ARL_BASE *arl_tcpext = NULL;
static ARL_BASE *arl_ipext = NULL;
// --------------------------------------------------------------------
// IP
// IP bandwidth
static unsigned long long ipext_InOctets = 0;
static unsigned long long ipext_OutOctets = 0;
// IP input errors
static unsigned long long ipext_InNoRoutes = 0;
static unsigned long long ipext_InTruncatedPkts = 0;
static unsigned long long ipext_InCsumErrors = 0;
// IP multicast bandwidth
static unsigned long long ipext_InMcastOctets = 0;
static unsigned long long ipext_OutMcastOctets = 0;
// IP multicast packets
static unsigned long long ipext_InMcastPkts = 0;
static unsigned long long ipext_OutMcastPkts = 0;
// IP broadcast bandwidth
static unsigned long long ipext_InBcastOctets = 0;
static unsigned long long ipext_OutBcastOctets = 0;
// IP broadcast packets
static unsigned long long ipext_InBcastPkts = 0;
static unsigned long long ipext_OutBcastPkts = 0;
// IP ECN
static unsigned long long ipext_InNoECTPkts = 0;
static unsigned long long ipext_InECT1Pkts = 0;
static unsigned long long ipext_InECT0Pkts = 0;
static unsigned long long ipext_InCEPkts = 0;
// --------------------------------------------------------------------
// IP TCP
// IP TCP Reordering
static unsigned long long tcpext_TCPRenoReorder = 0;
static unsigned long long tcpext_TCPFACKReorder = 0;
static unsigned long long tcpext_TCPSACKReorder = 0;
static unsigned long long tcpext_TCPTSReorder = 0;
// IP TCP SYN Cookies
static unsigned long long tcpext_SyncookiesSent = 0;
static unsigned long long tcpext_SyncookiesRecv = 0;
static unsigned long long tcpext_SyncookiesFailed = 0;
// IP TCP Out Of Order Queue
// http://www.spinics.net/lists/netdev/msg204696.html
static unsigned long long tcpext_TCPOFOQueue = 0; // Number of packets queued in OFO queue
static unsigned long long tcpext_TCPOFODrop = 0; // Number of packets meant to be queued in OFO but dropped because socket rcvbuf limit hit.
static unsigned long long tcpext_TCPOFOMerge = 0; // Number of packets in OFO that were merged with other packets.
static unsigned long long tcpext_OfoPruned = 0; // packets dropped from out-of-order queue because of socket buffer overrun
// IP TCP connection resets
// https://github.com/ecki/net-tools/blob/bd8bceaed2311651710331a7f8990c3e31be9840/statistics.c
static unsigned long long tcpext_TCPAbortOnData = 0; // connections reset due to unexpected data
static unsigned long long tcpext_TCPAbortOnClose = 0; // connections reset due to early user close
static unsigned long long tcpext_TCPAbortOnMemory = 0; // connections aborted due to memory pressure
static unsigned long long tcpext_TCPAbortOnTimeout = 0; // connections aborted due to timeout
static unsigned long long tcpext_TCPAbortOnLinger = 0; // connections aborted after user close in linger timeout
static unsigned long long tcpext_TCPAbortFailed = 0; // times unable to send RST due to no memory
// https://perfchron.com/2015/12/26/investigating-linux-network-issues-with-netstat-and-nstat/
static unsigned long long tcpext_ListenOverflows = 0; // times the listen queue of a socket overflowed
static unsigned long long tcpext_ListenDrops = 0; // SYNs to LISTEN sockets ignored
// IP TCP memory pressures
static unsigned long long tcpext_TCPMemoryPressures = 0;
static unsigned long long tcpext_TCPReqQFullDrop = 0;
static unsigned long long tcpext_TCPReqQFullDoCookies = 0;
// shared: tcpext_TCPSynRetrans
if(unlikely(!arl_ipext)) {
hash_ipext = simple_hash("IpExt");
hash_tcpext = simple_hash("TcpExt");
do_bandwidth = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "bandwidth", CONFIG_BOOLEAN_AUTO);
do_inerrors = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "input errors", CONFIG_BOOLEAN_AUTO);
do_mcast = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "multicast bandwidth", CONFIG_BOOLEAN_AUTO);
do_bcast = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "broadcast bandwidth", CONFIG_BOOLEAN_AUTO);
do_mcast_p = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "multicast packets", CONFIG_BOOLEAN_AUTO);
do_bcast_p = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "broadcast packets", CONFIG_BOOLEAN_AUTO);
do_ecn = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "ECN packets", CONFIG_BOOLEAN_AUTO);
do_tcpext_reorder = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "TCP reorders", CONFIG_BOOLEAN_AUTO);
do_tcpext_syscookies = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "TCP SYN cookies", CONFIG_BOOLEAN_AUTO);
do_tcpext_ofo = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "TCP out-of-order queue", CONFIG_BOOLEAN_AUTO);
do_tcpext_connaborts = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "TCP connection aborts", CONFIG_BOOLEAN_AUTO);
do_tcpext_memory = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "TCP memory pressures", CONFIG_BOOLEAN_AUTO);
do_tcpext_syn_queue = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "TCP SYN queue", CONFIG_BOOLEAN_AUTO);
do_tcpext_accept_queue = config_get_boolean_ondemand(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "TCP accept queue", CONFIG_BOOLEAN_AUTO);
arl_ipext = arl_create("netstat/ipext", NULL, 60);
arl_tcpext = arl_create("netstat/tcpext", NULL, 60);
// --------------------------------------------------------------------
// IP
if(do_bandwidth != CONFIG_BOOLEAN_NO) {
arl_expect(arl_ipext, "InOctets", &ipext_InOctets);
arl_expect(arl_ipext, "OutOctets", &ipext_OutOctets);
}
if(do_inerrors != CONFIG_BOOLEAN_NO) {
arl_expect(arl_ipext, "InNoRoutes", &ipext_InNoRoutes);
arl_expect(arl_ipext, "InTruncatedPkts", &ipext_InTruncatedPkts);
arl_expect(arl_ipext, "InCsumErrors", &ipext_InCsumErrors);
}
if(do_mcast != CONFIG_BOOLEAN_NO) {
arl_expect(arl_ipext, "InMcastOctets", &ipext_InMcastOctets);
arl_expect(arl_ipext, "OutMcastOctets", &ipext_OutMcastOctets);
}
if(do_mcast_p != CONFIG_BOOLEAN_NO) {
arl_expect(arl_ipext, "InMcastPkts", &ipext_InMcastPkts);
arl_expect(arl_ipext, "OutMcastPkts", &ipext_OutMcastPkts);
}
if(do_bcast != CONFIG_BOOLEAN_NO) {
arl_expect(arl_ipext, "InBcastPkts", &ipext_InBcastPkts);
arl_expect(arl_ipext, "OutBcastPkts", &ipext_OutBcastPkts);
}
if(do_bcast_p != CONFIG_BOOLEAN_NO) {
arl_expect(arl_ipext, "InBcastOctets", &ipext_InBcastOctets);
arl_expect(arl_ipext, "OutBcastOctets", &ipext_OutBcastOctets);
}
if(do_ecn != CONFIG_BOOLEAN_NO) {
arl_expect(arl_ipext, "InNoECTPkts", &ipext_InNoECTPkts);
arl_expect(arl_ipext, "InECT1Pkts", &ipext_InECT1Pkts);
arl_expect(arl_ipext, "InECT0Pkts", &ipext_InECT0Pkts);
arl_expect(arl_ipext, "InCEPkts", &ipext_InCEPkts);
}
// --------------------------------------------------------------------
// IP TCP
if(do_tcpext_reorder != CONFIG_BOOLEAN_NO) {
arl_expect(arl_tcpext, "TCPFACKReorder", &tcpext_TCPFACKReorder);
arl_expect(arl_tcpext, "TCPSACKReorder", &tcpext_TCPSACKReorder);
arl_expect(arl_tcpext, "TCPRenoReorder", &tcpext_TCPRenoReorder);
arl_expect(arl_tcpext, "TCPTSReorder", &tcpext_TCPTSReorder);
}
if(do_tcpext_syscookies != CONFIG_BOOLEAN_NO) {
arl_expect(arl_tcpext, "SyncookiesSent", &tcpext_SyncookiesSent);
arl_expect(arl_tcpext, "SyncookiesRecv", &tcpext_SyncookiesRecv);
arl_expect(arl_tcpext, "SyncookiesFailed", &tcpext_SyncookiesFailed);
}
if(do_tcpext_ofo != CONFIG_BOOLEAN_NO) {
arl_expect(arl_tcpext, "TCPOFOQueue", &tcpext_TCPOFOQueue);
arl_expect(arl_tcpext, "TCPOFODrop", &tcpext_TCPOFODrop);
arl_expect(arl_tcpext, "TCPOFOMerge", &tcpext_TCPOFOMerge);
arl_expect(arl_tcpext, "OfoPruned", &tcpext_OfoPruned);
}
if(do_tcpext_connaborts != CONFIG_BOOLEAN_NO) {
arl_expect(arl_tcpext, "TCPAbortOnData", &tcpext_TCPAbortOnData);
arl_expect(arl_tcpext, "TCPAbortOnClose", &tcpext_TCPAbortOnClose);
arl_expect(arl_tcpext, "TCPAbortOnMemory", &tcpext_TCPAbortOnMemory);
arl_expect(arl_tcpext, "TCPAbortOnTimeout", &tcpext_TCPAbortOnTimeout);
arl_expect(arl_tcpext, "TCPAbortOnLinger", &tcpext_TCPAbortOnLinger);
arl_expect(arl_tcpext, "TCPAbortFailed", &tcpext_TCPAbortFailed);
}
if(do_tcpext_memory != CONFIG_BOOLEAN_NO) {
arl_expect(arl_tcpext, "TCPMemoryPressures", &tcpext_TCPMemoryPressures);
}
if(do_tcpext_accept_queue != CONFIG_BOOLEAN_NO) {
arl_expect(arl_tcpext, "ListenOverflows", &tcpext_ListenOverflows);
arl_expect(arl_tcpext, "ListenDrops", &tcpext_ListenDrops);
}
if(do_tcpext_syn_queue != CONFIG_BOOLEAN_NO) {
arl_expect(arl_tcpext, "TCPReqQFullDrop", &tcpext_TCPReqQFullDrop);
arl_expect(arl_tcpext, "TCPReqQFullDoCookies", &tcpext_TCPReqQFullDoCookies);
}
// shared metrics
arl_expect(arl_tcpext, "TCPSynRetrans", &tcpext_TCPSynRetrans);
}
if(unlikely(!ff)) {
char filename[FILENAME_MAX + 1];
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/net/netstat");
ff = procfile_open(config_get(CONFIG_SECTION_PLUGIN_PROC_NETSTAT, "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;
size_t words;
arl_begin(arl_ipext);
arl_begin(arl_tcpext);
for(l = 0; l < lines ;l++) {
char *key = procfile_lineword(ff, l, 0);
uint32_t hash = simple_hash(key);
if(unlikely(hash == hash_ipext && strcmp(key, "IpExt") == 0)) {
size_t h = l++;
words = procfile_linewords(ff, l);
if(unlikely(words < 2)) {
error("Cannot read /proc/net/netstat IpExt line. Expected 2+ params, read %zu.", words);
continue;
}
parse_line_pair(ff, arl_ipext, h, l);
// --------------------------------------------------------------------
if(do_bandwidth == CONFIG_BOOLEAN_YES || (do_bandwidth == CONFIG_BOOLEAN_AUTO &&
(ipext_InOctets ||
ipext_OutOctets ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_bandwidth = CONFIG_BOOLEAN_YES;
static RRDSET *st_system_ip = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if(unlikely(!st_system_ip)) {
st_system_ip = rrdset_create_localhost(
"system"
, RRD_TYPE_NET_NETSTAT
, NULL
, "network"
, NULL
, "IP Bandwidth"
, "kilobits/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_SYSTEM_IP
, update_every
, RRDSET_TYPE_AREA
);
rd_in = rrddim_add(st_system_ip, "InOctets", "received", 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st_system_ip, "OutOctets", "sent", -8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_system_ip);
rrddim_set_by_pointer(st_system_ip, rd_in, ipext_InOctets);
rrddim_set_by_pointer(st_system_ip, rd_out, ipext_OutOctets);
rrdset_done(st_system_ip);
}
// --------------------------------------------------------------------
if(do_inerrors == CONFIG_BOOLEAN_YES || (do_inerrors == CONFIG_BOOLEAN_AUTO &&
(ipext_InNoRoutes ||
ipext_InTruncatedPkts ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_inerrors = CONFIG_BOOLEAN_YES;
static RRDSET *st_ip_inerrors = NULL;
static RRDDIM *rd_noroutes = NULL, *rd_truncated = NULL, *rd_checksum = NULL;
if(unlikely(!st_ip_inerrors)) {
st_ip_inerrors = rrdset_create_localhost(
RRD_TYPE_NET_NETSTAT
, "inerrors"
, NULL
, "errors"
, NULL
, "IP Input Errors"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_IP_ERRORS
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st_ip_inerrors, RRDSET_FLAG_DETAIL);
rd_noroutes = rrddim_add(st_ip_inerrors, "InNoRoutes", "noroutes", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_truncated = rrddim_add(st_ip_inerrors, "InTruncatedPkts", "truncated", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_checksum = rrddim_add(st_ip_inerrors, "InCsumErrors", "checksum", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_ip_inerrors);
rrddim_set_by_pointer(st_ip_inerrors, rd_noroutes, ipext_InNoRoutes);
rrddim_set_by_pointer(st_ip_inerrors, rd_truncated, ipext_InTruncatedPkts);
rrddim_set_by_pointer(st_ip_inerrors, rd_checksum, ipext_InCsumErrors);
rrdset_done(st_ip_inerrors);
}
// --------------------------------------------------------------------
if(do_mcast == CONFIG_BOOLEAN_YES || (do_mcast == CONFIG_BOOLEAN_AUTO &&
(ipext_InMcastOctets ||
ipext_OutMcastOctets ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_mcast = CONFIG_BOOLEAN_YES;
static RRDSET *st_ip_mcast = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if(unlikely(!st_ip_mcast)) {
st_ip_mcast = rrdset_create_localhost(
RRD_TYPE_NET_NETSTAT
, "mcast"
, NULL
, "multicast"
, NULL
, "IP Multicast Bandwidth"
, "kilobits/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_IP_MCAST
, update_every
, RRDSET_TYPE_AREA
);
rrdset_flag_set(st_ip_mcast, RRDSET_FLAG_DETAIL);
rd_in = rrddim_add(st_ip_mcast, "InMcastOctets", "received", 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st_ip_mcast, "OutMcastOctets", "sent", -8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_ip_mcast);
rrddim_set_by_pointer(st_ip_mcast, rd_in, ipext_InMcastOctets);
rrddim_set_by_pointer(st_ip_mcast, rd_out, ipext_OutMcastOctets);
rrdset_done(st_ip_mcast);
}
// --------------------------------------------------------------------
if(do_bcast == CONFIG_BOOLEAN_YES || (do_bcast == CONFIG_BOOLEAN_AUTO &&
(ipext_InBcastOctets ||
ipext_OutBcastOctets ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_bcast = CONFIG_BOOLEAN_YES;
static RRDSET *st_ip_bcast = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if(unlikely(!st_ip_bcast)) {
st_ip_bcast = rrdset_create_localhost(
RRD_TYPE_NET_NETSTAT
, "bcast"
, NULL
, "broadcast"
, NULL
, "IP Broadcast Bandwidth"
, "kilobits/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_IP_BCAST
, update_every
, RRDSET_TYPE_AREA
);
rrdset_flag_set(st_ip_bcast, RRDSET_FLAG_DETAIL);
rd_in = rrddim_add(st_ip_bcast, "InBcastOctets", "received", 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st_ip_bcast, "OutBcastOctets", "sent", -8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_ip_bcast);
rrddim_set_by_pointer(st_ip_bcast, rd_in, ipext_InBcastOctets);
rrddim_set_by_pointer(st_ip_bcast, rd_out, ipext_OutBcastOctets);
rrdset_done(st_ip_bcast);
}
// --------------------------------------------------------------------
if(do_mcast_p == CONFIG_BOOLEAN_YES || (do_mcast_p == CONFIG_BOOLEAN_AUTO &&
(ipext_InMcastPkts ||
ipext_OutMcastPkts ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_mcast_p = CONFIG_BOOLEAN_YES;
static RRDSET *st_ip_mcastpkts = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if(unlikely(!st_ip_mcastpkts)) {
st_ip_mcastpkts = rrdset_create_localhost(
RRD_TYPE_NET_NETSTAT
, "mcastpkts"
, NULL
, "multicast"
, NULL
, "IP Multicast Packets"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_IP_MCAST_PACKETS
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st_ip_mcastpkts, RRDSET_FLAG_DETAIL);
rd_in = rrddim_add(st_ip_mcastpkts, "InMcastPkts", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st_ip_mcastpkts, "OutMcastPkts", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st_ip_mcastpkts);
rrddim_set_by_pointer(st_ip_mcastpkts, rd_in, ipext_InMcastPkts);
rrddim_set_by_pointer(st_ip_mcastpkts, rd_out, ipext_OutMcastPkts);
rrdset_done(st_ip_mcastpkts);
}
// --------------------------------------------------------------------
if(do_bcast_p == CONFIG_BOOLEAN_YES || (do_bcast_p == CONFIG_BOOLEAN_AUTO &&
(ipext_InBcastPkts ||
ipext_OutBcastPkts ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_bcast_p = CONFIG_BOOLEAN_YES;
static RRDSET *st_ip_bcastpkts = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if(unlikely(!st_ip_bcastpkts)) {
st_ip_bcastpkts = rrdset_create_localhost(
RRD_TYPE_NET_NETSTAT
, "bcastpkts"
, NULL
, "broadcast"
, NULL
, "IP Broadcast Packets"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_IP_BCAST_PACKETS
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st_ip_bcastpkts, RRDSET_FLAG_DETAIL);
rd_in = rrddim_add(st_ip_bcastpkts, "InBcastPkts", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st_ip_bcastpkts, "OutBcastPkts", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_ip_bcastpkts);
rrddim_set_by_pointer(st_ip_bcastpkts, rd_in, ipext_InBcastPkts);
rrddim_set_by_pointer(st_ip_bcastpkts, rd_out, ipext_OutBcastPkts);
rrdset_done(st_ip_bcastpkts);
}
// --------------------------------------------------------------------
if(do_ecn == CONFIG_BOOLEAN_YES || (do_ecn == CONFIG_BOOLEAN_AUTO &&
(ipext_InCEPkts ||
ipext_InECT0Pkts ||
ipext_InECT1Pkts ||
ipext_InNoECTPkts ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_ecn = CONFIG_BOOLEAN_YES;
static RRDSET *st_ecnpkts = NULL;
static RRDDIM *rd_cep = NULL, *rd_noectp = NULL, *rd_ectp0 = NULL, *rd_ectp1 = NULL;
if(unlikely(!st_ecnpkts)) {
st_ecnpkts = rrdset_create_localhost(
RRD_TYPE_NET_NETSTAT
, "ecnpkts"
, NULL
, "ecn"
, NULL
, "IP ECN Statistics"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_IP_ECN
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st_ecnpkts, RRDSET_FLAG_DETAIL);
rd_cep = rrddim_add(st_ecnpkts, "InCEPkts", "CEP", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_noectp = rrddim_add(st_ecnpkts, "InNoECTPkts", "NoECTP", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_ectp0 = rrddim_add(st_ecnpkts, "InECT0Pkts", "ECTP0", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_ectp1 = rrddim_add(st_ecnpkts, "InECT1Pkts", "ECTP1", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st_ecnpkts);
rrddim_set_by_pointer(st_ecnpkts, rd_cep, ipext_InCEPkts);
rrddim_set_by_pointer(st_ecnpkts, rd_noectp, ipext_InNoECTPkts);
rrddim_set_by_pointer(st_ecnpkts, rd_ectp0, ipext_InECT0Pkts);
rrddim_set_by_pointer(st_ecnpkts, rd_ectp1, ipext_InECT1Pkts);
rrdset_done(st_ecnpkts);
}
}
else if(unlikely(hash == hash_tcpext && strcmp(key, "TcpExt") == 0)) {
size_t h = l++;
words = procfile_linewords(ff, l);
if(unlikely(words < 2)) {
error("Cannot read /proc/net/netstat TcpExt line. Expected 2+ params, read %zu.", words);
continue;
}
parse_line_pair(ff, arl_tcpext, h, l);
// --------------------------------------------------------------------
if(do_tcpext_memory == CONFIG_BOOLEAN_YES || (do_tcpext_memory == CONFIG_BOOLEAN_AUTO &&
(tcpext_TCPMemoryPressures ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_tcpext_memory = CONFIG_BOOLEAN_YES;
static RRDSET *st_tcpmemorypressures = NULL;
static RRDDIM *rd_pressures = NULL;
if(unlikely(!st_tcpmemorypressures)) {
st_tcpmemorypressures = rrdset_create_localhost(
RRD_TYPE_NET_NETSTAT
, "tcpmemorypressures"
, NULL
, "tcp"
, NULL
, "TCP Memory Pressures"
, "events/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_IP_TCP_MEM
, update_every
, RRDSET_TYPE_LINE
);
rd_pressures = rrddim_add(st_tcpmemorypressures, "TCPMemoryPressures", "pressures", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_tcpmemorypressures);
rrddim_set_by_pointer(st_tcpmemorypressures, rd_pressures, tcpext_TCPMemoryPressures);
rrdset_done(st_tcpmemorypressures);
}
// --------------------------------------------------------------------
if(do_tcpext_connaborts == CONFIG_BOOLEAN_YES || (do_tcpext_connaborts == CONFIG_BOOLEAN_AUTO &&
(tcpext_TCPAbortOnData ||
tcpext_TCPAbortOnClose ||
tcpext_TCPAbortOnMemory ||
tcpext_TCPAbortOnTimeout ||
tcpext_TCPAbortOnLinger ||
tcpext_TCPAbortFailed ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_tcpext_connaborts = CONFIG_BOOLEAN_YES;
static RRDSET *st_tcpconnaborts = NULL;
static RRDDIM *rd_baddata = NULL, *rd_userclosed = NULL, *rd_nomemory = NULL, *rd_timeout = NULL, *rd_linger = NULL, *rd_failed = NULL;
if(unlikely(!st_tcpconnaborts)) {
st_tcpconnaborts = rrdset_create_localhost(
RRD_TYPE_NET_NETSTAT
, "tcpconnaborts"
, NULL
, "tcp"
, NULL
, "TCP Connection Aborts"
, "connections/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_IP_TCP_CONNABORTS
, update_every
, RRDSET_TYPE_LINE
);
rd_baddata = rrddim_add(st_tcpconnaborts, "TCPAbortOnData", "baddata", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_userclosed = rrddim_add(st_tcpconnaborts, "TCPAbortOnClose", "userclosed", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_nomemory = rrddim_add(st_tcpconnaborts, "TCPAbortOnMemory", "nomemory", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_timeout = rrddim_add(st_tcpconnaborts, "TCPAbortOnTimeout", "timeout", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_linger = rrddim_add(st_tcpconnaborts, "TCPAbortOnLinger", "linger", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_failed = rrddim_add(st_tcpconnaborts, "TCPAbortFailed", "failed", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_tcpconnaborts);
rrddim_set_by_pointer(st_tcpconnaborts, rd_baddata, tcpext_TCPAbortOnData);
rrddim_set_by_pointer(st_tcpconnaborts, rd_userclosed, tcpext_TCPAbortOnClose);
rrddim_set_by_pointer(st_tcpconnaborts, rd_nomemory, tcpext_TCPAbortOnMemory);
rrddim_set_by_pointer(st_tcpconnaborts, rd_timeout, tcpext_TCPAbortOnTimeout);
rrddim_set_by_pointer(st_tcpconnaborts, rd_linger, tcpext_TCPAbortOnLinger);
rrddim_set_by_pointer(st_tcpconnaborts, rd_failed, tcpext_TCPAbortFailed);
rrdset_done(st_tcpconnaborts);
}
// --------------------------------------------------------------------
if(do_tcpext_reorder == CONFIG_BOOLEAN_YES || (do_tcpext_reorder == CONFIG_BOOLEAN_AUTO &&
(tcpext_TCPRenoReorder ||
tcpext_TCPFACKReorder ||
tcpext_TCPSACKReorder ||
tcpext_TCPTSReorder ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_tcpext_reorder = CONFIG_BOOLEAN_YES;
static RRDSET *st_tcpreorders = NULL;
static RRDDIM *rd_timestamp = NULL, *rd_sack = NULL, *rd_fack = NULL, *rd_reno = NULL;
if(unlikely(!st_tcpreorders)) {
st_tcpreorders = rrdset_create_localhost(
RRD_TYPE_NET_NETSTAT
, "tcpreorders"
, NULL
, "tcp"
, NULL
, "TCP Reordered Packets by Detection Method"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_IP_TCP_REORDERS
, update_every
, RRDSET_TYPE_LINE
);
rd_timestamp = rrddim_add(st_tcpreorders, "TCPTSReorder", "timestamp", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_sack = rrddim_add(st_tcpreorders, "TCPSACKReorder", "sack", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_fack = rrddim_add(st_tcpreorders, "TCPFACKReorder", "fack", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_reno = rrddim_add(st_tcpreorders, "TCPRenoReorder", "reno", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_tcpreorders);
rrddim_set_by_pointer(st_tcpreorders, rd_timestamp, tcpext_TCPTSReorder);
rrddim_set_by_pointer(st_tcpreorders, rd_sack, tcpext_TCPSACKReorder);
rrddim_set_by_pointer(st_tcpreorders, rd_fack, tcpext_TCPFACKReorder);
rrddim_set_by_pointer(st_tcpreorders, rd_reno, tcpext_TCPRenoReorder);
rrdset_done(st_tcpreorders);
}
// --------------------------------------------------------------------
if(do_tcpext_ofo == CONFIG_BOOLEAN_YES || (do_tcpext_ofo == CONFIG_BOOLEAN_AUTO &&
(tcpext_TCPOFOQueue ||
tcpext_TCPOFODrop ||
tcpext_TCPOFOMerge ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_tcpext_ofo = CONFIG_BOOLEAN_YES;
static RRDSET *st_ip_tcpofo = NULL;
static RRDDIM *rd_inqueue = NULL, *rd_dropped = NULL, *rd_merged = NULL, *rd_pruned = NULL;
if(unlikely(!st_ip_tcpofo)) {
st_ip_tcpofo = rrdset_create_localhost(
RRD_TYPE_NET_NETSTAT
, "tcpofo"
, NULL
, "tcp"
, NULL
, "TCP Out-Of-Order Queue"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_IP_TCP_OFO
, update_every
, RRDSET_TYPE_LINE
);
rd_inqueue = rrddim_add(st_ip_tcpofo, "TCPOFOQueue", "inqueue", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_dropped = rrddim_add(st_ip_tcpofo, "TCPOFODrop", "dropped", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_merged = rrddim_add(st_ip_tcpofo, "TCPOFOMerge", "merged", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_pruned = rrddim_add(st_ip_tcpofo, "OfoPruned", "pruned", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_ip_tcpofo);
rrddim_set_by_pointer(st_ip_tcpofo, rd_inqueue, tcpext_TCPOFOQueue);
rrddim_set_by_pointer(st_ip_tcpofo, rd_dropped, tcpext_TCPOFODrop);
rrddim_set_by_pointer(st_ip_tcpofo, rd_merged, tcpext_TCPOFOMerge);
rrddim_set_by_pointer(st_ip_tcpofo, rd_pruned, tcpext_OfoPruned);
rrdset_done(st_ip_tcpofo);
}
// --------------------------------------------------------------------
if(do_tcpext_syscookies == CONFIG_BOOLEAN_YES || (do_tcpext_syscookies == CONFIG_BOOLEAN_AUTO &&
(tcpext_SyncookiesSent ||
tcpext_SyncookiesRecv ||
tcpext_SyncookiesFailed ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_tcpext_syscookies = CONFIG_BOOLEAN_YES;
static RRDSET *st_syncookies = NULL;
static RRDDIM *rd_received = NULL, *rd_sent = NULL, *rd_failed = NULL;
if(unlikely(!st_syncookies)) {
st_syncookies = rrdset_create_localhost(
RRD_TYPE_NET_NETSTAT
, "tcpsyncookies"
, NULL
, "tcp"
, NULL
, "TCP SYN Cookies"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_IP_TCP_SYNCOOKIES
, update_every
, RRDSET_TYPE_LINE
);
rd_received = rrddim_add(st_syncookies, "SyncookiesRecv", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_sent = rrddim_add(st_syncookies, "SyncookiesSent", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_failed = rrddim_add(st_syncookies, "SyncookiesFailed", "failed", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_syncookies);
rrddim_set_by_pointer(st_syncookies, rd_received, tcpext_SyncookiesRecv);
rrddim_set_by_pointer(st_syncookies, rd_sent, tcpext_SyncookiesSent);
rrddim_set_by_pointer(st_syncookies, rd_failed, tcpext_SyncookiesFailed);
rrdset_done(st_syncookies);
}
// --------------------------------------------------------------------
if(do_tcpext_syn_queue == CONFIG_BOOLEAN_YES || (do_tcpext_syn_queue == CONFIG_BOOLEAN_AUTO &&
(tcpext_TCPReqQFullDrop ||
tcpext_TCPReqQFullDoCookies ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_tcpext_syn_queue = CONFIG_BOOLEAN_YES;
static RRDSET *st_syn_queue = NULL;
static RRDDIM
*rd_TCPReqQFullDrop = NULL,
*rd_TCPReqQFullDoCookies = NULL;
if(unlikely(!st_syn_queue)) {
st_syn_queue = rrdset_create_localhost(
RRD_TYPE_NET_NETSTAT
, "tcp_syn_queue"
, NULL
, "tcp"
, NULL
, "TCP SYN Queue Issues"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_IP_TCP_SYN_QUEUE
, update_every
, RRDSET_TYPE_LINE
);
rd_TCPReqQFullDrop = rrddim_add(st_syn_queue, "TCPReqQFullDrop", "drops", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_TCPReqQFullDoCookies = rrddim_add(st_syn_queue, "TCPReqQFullDoCookies", "cookies", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_syn_queue);
rrddim_set_by_pointer(st_syn_queue, rd_TCPReqQFullDrop, tcpext_TCPReqQFullDrop);
rrddim_set_by_pointer(st_syn_queue, rd_TCPReqQFullDoCookies, tcpext_TCPReqQFullDoCookies);
rrdset_done(st_syn_queue);
}
// --------------------------------------------------------------------
if(do_tcpext_accept_queue == CONFIG_BOOLEAN_YES || (do_tcpext_accept_queue == CONFIG_BOOLEAN_AUTO &&
(tcpext_ListenOverflows ||
tcpext_ListenDrops ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_tcpext_accept_queue = CONFIG_BOOLEAN_YES;
static RRDSET *st_accept_queue = NULL;
static RRDDIM *rd_overflows = NULL,
*rd_drops = NULL;
if(unlikely(!st_accept_queue)) {
st_accept_queue = rrdset_create_localhost(
RRD_TYPE_NET_NETSTAT
, "tcp_accept_queue"
, NULL
, "tcp"
, NULL
, "TCP Accept Queue Issues"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NETSTAT_NAME
, NETDATA_CHART_PRIO_IP_TCP_ACCEPT_QUEUE
, update_every
, RRDSET_TYPE_LINE
);
rd_overflows = rrddim_add(st_accept_queue, "ListenOverflows", "overflows", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_drops = rrddim_add(st_accept_queue, "ListenDrops", "drops", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_accept_queue);
rrddim_set_by_pointer(st_accept_queue, rd_overflows, tcpext_ListenOverflows);
rrddim_set_by_pointer(st_accept_queue, rd_drops, tcpext_ListenDrops);
rrdset_done(st_accept_queue);
}
}
}
return 0;
}