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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:08:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:08:07 +0000
commitc69cb8cc094cc916adbc516b09e944cd3d137c01 (patch)
treef2878ec41fb6d0e3613906c6722fc02b934eeb80 /collectors/proc.plugin/proc_net_netstat.c
parentInitial commit. (diff)
downloadnetdata-c69cb8cc094cc916adbc516b09e944cd3d137c01.tar.xz
netdata-c69cb8cc094cc916adbc516b09e944cd3d137c01.zip
Adding upstream version 1.29.3.upstream/1.29.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'collectors/proc.plugin/proc_net_netstat.c')
-rw-r--r--collectors/proc.plugin/proc_net_netstat.c869
1 files changed, 869 insertions, 0 deletions
diff --git a/collectors/proc.plugin/proc_net_netstat.c b/collectors/proc.plugin/proc_net_netstat.c
new file mode 100644
index 0000000..ab8206b
--- /dev/null
+++ b/collectors/proc.plugin/proc_net_netstat.c
@@ -0,0 +1,869 @@
+// 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;
+}