int do_proc_net_snmp(int update_every, usec_t dt) {
(void)dt;
static procfile *ff = NULL;
static int do_ip_packets = -1, do_ip_fragsout = -1, do_ip_fragsin = -1, do_ip_errors = -1,
do_tcp_sockets = -1, do_tcp_packets = -1, do_tcp_errors = -1, do_tcp_handshake = -1,
do_udp_packets = -1, do_udp_errors = -1, do_icmp_packets = -1, do_icmpmsg = -1, do_udplite_packets = -1;
static uint32_t hash_ip = 0, hash_icmp = 0, hash_tcp = 0, hash_udp = 0, hash_icmpmsg = 0, hash_udplite = 0;
//static unsigned long long *ip_Forwarding = NULL;
//static unsigned long long *ip_DefaultTTL = NULL;
static unsigned long long *ip_InReceives = NULL;
static unsigned long long *ip_InHdrErrors = NULL;
static unsigned long long *ip_InAddrErrors = NULL;
static unsigned long long *ip_ForwDatagrams = NULL;
static unsigned long long *ip_InUnknownProtos = NULL;
static unsigned long long *ip_InDiscards = NULL;
static unsigned long long *ip_InDelivers = NULL;
static unsigned long long *ip_OutRequests = NULL;
static unsigned long long *ip_OutDiscards = NULL;
static unsigned long long *ip_OutNoRoutes = NULL;
//static unsigned long long *ip_ReasmTimeout = NULL;
static unsigned long long *ip_ReasmReqds = NULL;
static unsigned long long *ip_ReasmOKs = NULL;
static unsigned long long *ip_ReasmFails = NULL;
static unsigned long long *ip_FragOKs = NULL;
static unsigned long long *ip_FragFails = NULL;
static unsigned long long *ip_FragCreates = NULL;
static unsigned long long *icmp_InMsgs = NULL;
static unsigned long long *icmp_OutMsgs = NULL;
static unsigned long long *icmp_InErrors = NULL;
static unsigned long long *icmp_OutErrors = NULL;
static unsigned long long *icmp_InCsumErrors = NULL;
//static unsigned long long *tcp_RtoAlgorithm = NULL;
//static unsigned long long *tcp_RtoMin = NULL;
//static unsigned long long *tcp_RtoMax = NULL;
//static unsigned long long *tcp_MaxConn = NULL;
static unsigned long long *tcp_ActiveOpens = NULL;
static unsigned long long *tcp_PassiveOpens = NULL;
static unsigned long long *tcp_AttemptFails = NULL;
static unsigned long long *tcp_EstabResets = NULL;
static unsigned long long *tcp_CurrEstab = NULL;
static unsigned long long *tcp_InSegs = NULL;
static unsigned long long *tcp_OutSegs = NULL;
static unsigned long long *tcp_RetransSegs = NULL;
static unsigned long long *tcp_InErrs = NULL;
static unsigned long long *tcp_OutRsts = NULL;
static unsigned long long *tcp_InCsumErrors = NULL;
static unsigned long long *udp_InDatagrams = NULL;
static unsigned long long *udp_NoPorts = NULL;
static unsigned long long *udp_InErrors = NULL;
static unsigned long long *udp_OutDatagrams = NULL;
static unsigned long long *udp_RcvbufErrors = NULL;
static unsigned long long *udp_SndbufErrors = NULL;
static unsigned long long *udp_InCsumErrors = NULL;
static unsigned long long *udp_IgnoredMulti = NULL;
static unsigned long long *udplite_InDatagrams = NULL;
static unsigned long long *udplite_NoPorts = NULL;
static unsigned long long *udplite_InErrors = NULL;
static unsigned long long *udplite_OutDatagrams = NULL;
static unsigned long long *udplite_RcvbufErrors = NULL;
static unsigned long long *udplite_SndbufErrors = NULL;
static unsigned long long *udplite_InCsumErrors = NULL;
static unsigned long long *udplite_IgnoredMulti = NULL;
if(unlikely(do_ip_packets == -1)) {
do_ip_packets = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 packets", 1);
do_ip_fragsout = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 fragments sent", 1);
do_ip_fragsin = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 fragments assembly", 1);
do_ip_errors = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 errors", 1);
do_tcp_sockets = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP connections", 1);
do_tcp_packets = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP packets", 1);
do_tcp_errors = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP errors", 1);
do_tcp_handshake = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP handshake issues", 1);
do_udp_packets = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 UDP packets", 1);
do_udp_errors = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 UDP errors", 1);
do_icmp_packets = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 ICMP packets", 1);
do_icmpmsg = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 ICMP messages", 1);
do_udplite_packets = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 UDPLite packets", 1);
hash_ip = simple_hash("Ip");
hash_tcp = simple_hash("Tcp");
hash_udp = simple_hash("Udp");
hash_icmp = simple_hash("Icmp");
hash_icmpmsg = simple_hash("IcmpMsg");
hash_udplite = simple_hash("UdpLite");
hash_array(ip_data);
hash_array(tcp_data);
hash_array(udp_data);
hash_array(icmp_data);
hash_array(icmpmsg_data);
hash_array(udplite_data);
//ip_Forwarding = netstat_columns_find(ip_data, "Forwarding");
//ip_DefaultTTL = netstat_columns_find(ip_data, "DefaultTTL");
ip_InReceives = netstat_columns_find(ip_data, "InReceives");
ip_InHdrErrors = netstat_columns_find(ip_data, "InHdrErrors");
ip_InAddrErrors = netstat_columns_find(ip_data, "InAddrErrors");
ip_ForwDatagrams = netstat_columns_find(ip_data, "ForwDatagrams");
ip_InUnknownProtos = netstat_columns_find(ip_data, "InUnknownProtos");
ip_InDiscards = netstat_columns_find(ip_data, "InDiscards");
ip_InDelivers = netstat_columns_find(ip_data, "InDelivers");
ip_OutRequests = netstat_columns_find(ip_data, "OutRequests");
ip_OutDiscards = netstat_columns_find(ip_data, "OutDiscards");
ip_OutNoRoutes = netstat_columns_find(ip_data, "OutNoRoutes");
//ip_ReasmTimeout = netstat_columns_find(ip_data, "ReasmTimeout");
ip_ReasmReqds = netstat_columns_find(ip_data, "ReasmReqds");
ip_ReasmOKs = netstat_columns_find(ip_data, "ReasmOKs");
ip_ReasmFails = netstat_columns_find(ip_data, "ReasmFails");
ip_FragOKs = netstat_columns_find(ip_data, "FragOKs");
ip_FragFails = netstat_columns_find(ip_data, "FragFails");
ip_FragCreates = netstat_columns_find(ip_data, "FragCreates");
icmp_InMsgs = netstat_columns_find(icmp_data, "InMsgs");
icmp_OutMsgs = netstat_columns_find(icmp_data, "OutMsgs");
icmp_InErrors = netstat_columns_find(icmp_data, "InErrors");
icmp_OutErrors = netstat_columns_find(icmp_data, "OutErrors");
icmp_InCsumErrors = netstat_columns_find(icmp_data, "InCsumErrors");
//tcp_RtoAlgorithm = netstat_columns_find(tcp_data, "RtoAlgorithm");
//tcp_RtoMin = netstat_columns_find(tcp_data, "RtoMin");
//tcp_RtoMax = netstat_columns_find(tcp_data, "RtoMax");
//tcp_MaxConn = netstat_columns_find(tcp_data, "MaxConn");
tcp_ActiveOpens = netstat_columns_find(tcp_data, "ActiveOpens");
tcp_PassiveOpens = netstat_columns_find(tcp_data, "PassiveOpens");
tcp_AttemptFails = netstat_columns_find(tcp_data, "AttemptFails");
tcp_EstabResets = netstat_columns_find(tcp_data, "EstabResets");
tcp_CurrEstab = netstat_columns_find(tcp_data, "CurrEstab");
tcp_InSegs = netstat_columns_find(tcp_data, "InSegs");
tcp_OutSegs = netstat_columns_find(tcp_data, "OutSegs");
tcp_RetransSegs = netstat_columns_find(tcp_data, "RetransSegs");
tcp_InErrs = netstat_columns_find(tcp_data, "InErrs");
tcp_OutRsts = netstat_columns_find(tcp_data, "OutRsts");
tcp_InCsumErrors = netstat_columns_find(tcp_data, "InCsumErrors");
udp_InDatagrams = netstat_columns_find(udp_data, "InDatagrams");
udp_NoPorts = netstat_columns_find(udp_data, "NoPorts");
udp_InErrors = netstat_columns_find(udp_data, "InErrors");
udp_OutDatagrams = netstat_columns_find(udp_data, "OutDatagrams");
udp_RcvbufErrors = netstat_columns_find(udp_data, "RcvbufErrors");
udp_SndbufErrors = netstat_columns_find(udp_data, "SndbufErrors");
udp_InCsumErrors = netstat_columns_find(udp_data, "InCsumErrors");
udp_IgnoredMulti = netstat_columns_find(udp_data, "IgnoredMulti");
udplite_InDatagrams = netstat_columns_find(udplite_data, "InDatagrams");
udplite_NoPorts = netstat_columns_find(udplite_data, "NoPorts");
udplite_InErrors = netstat_columns_find(udplite_data, "InErrors");
udplite_OutDatagrams = netstat_columns_find(udplite_data, "OutDatagrams");
udplite_RcvbufErrors = netstat_columns_find(udplite_data, "RcvbufErrors");
udplite_SndbufErrors = netstat_columns_find(udplite_data, "SndbufErrors");
udplite_InCsumErrors = netstat_columns_find(udplite_data, "InCsumErrors");
udplite_IgnoredMulti = netstat_columns_find(udplite_data, "IgnoredMulti");
}
if(unlikely(!ff)) {
char filename[FILENAME_MAX + 1];
snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/net/snmp");
ff = procfile_open(config_get("plugin:proc:/proc/net/snmp", "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;
RRDSET *st;
for(l = 0; l < lines ;l++) {
char *key = procfile_lineword(ff, l, 0);
uint32_t hash = simple_hash(key);
if(unlikely(hash == hash_ip && strcmp(key, "Ip") == 0)) {
size_t h = l++;
if(strcmp(procfile_lineword(ff, l, 0), "Ip") != 0) {
error("Cannot read Ip line from /proc/net/snmp.");
break;
}
words = procfile_linewords(ff, l);
if(words < 3) {
error("Cannot read /proc/net/snmp Ip line. Expected 3+ params, read %zu.", words);
continue;
}
// see also http://net-snmp.sourceforge.net/docs/mibs/ip.html
parse_line_pair(ff, ip_data, h, l);
// --------------------------------------------------------------------
if(do_ip_packets) {
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".packets");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "packets", NULL, "packets", NULL, "IPv4 Packets"
, "packets/s", 3000, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "InReceives", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "OutRequests", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "ForwDatagrams", "forwarded", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "InDelivers", "delivered", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "OutRequests", *ip_OutRequests);
rrddim_set(st, "InReceives", *ip_InReceives);
rrddim_set(st, "ForwDatagrams", *ip_ForwDatagrams);
rrddim_set(st, "InDelivers", *ip_InDelivers);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_ip_fragsout) {
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".fragsout");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "fragsout", NULL, "fragments", NULL
, "IPv4 Fragments Sent", "packets/s", 3010, update_every
, RRDSET_TYPE_LINE);
rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
rrddim_add(st, "FragOKs", "ok", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "FragFails", "failed", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "FragCreates", "created", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "FragOKs", *ip_FragOKs);
rrddim_set(st, "FragFails", *ip_FragFails);
rrddim_set(st, "FragCreates", *ip_FragCreates);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_ip_fragsin) {
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".fragsin");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "fragsin", NULL, "fragments", NULL
, "IPv4 Fragments Reassembly", "packets/s", 3011, update_every
, RRDSET_TYPE_LINE);
rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
rrddim_add(st, "ReasmOKs", "ok", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "ReasmFails", "failed", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "ReasmReqds", "all", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "ReasmOKs", *ip_ReasmOKs);
rrddim_set(st, "ReasmFails", *ip_ReasmFails);
rrddim_set(st, "ReasmReqds", *ip_ReasmReqds);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_ip_errors) {
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".errors");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "errors", NULL, "errors", NULL, "IPv4 Errors"
, "packets/s", 3002, update_every, RRDSET_TYPE_LINE);
rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
rrddim_add(st, "InDiscards", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "OutDiscards", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "InHdrErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "OutNoRoutes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "InAddrErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "InUnknownProtos", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InDiscards", *ip_InDiscards);
rrddim_set(st, "OutDiscards", *ip_OutDiscards);
rrddim_set(st, "InHdrErrors", *ip_InHdrErrors);
rrddim_set(st, "InAddrErrors", *ip_InAddrErrors);
rrddim_set(st, "InUnknownProtos", *ip_InUnknownProtos);
rrddim_set(st, "OutNoRoutes", *ip_OutNoRoutes);
rrdset_done(st);
}
}
else if(unlikely(hash == hash_icmp && strcmp(key, "Icmp") == 0)) {
size_t h = l++;
if(strcmp(procfile_lineword(ff, l, 0), "Icmp") != 0) {
error("Cannot read Icmp line from /proc/net/snmp.");
break;
}
words = procfile_linewords(ff, l);
if(words < 3) {
error("Cannot read /proc/net/snmp Icmp line. Expected 3+ params, read %zu.", words);
continue;
}
parse_line_pair(ff, icmp_data, h, l);
// --------------------------------------------------------------------
if(do_icmp_packets) {
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".icmp");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "icmp", NULL, "icmp", NULL, "IPv4 ICMP Packets"
, "packets/s", 2602, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "InMsgs", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "OutMsgs", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InMsgs", *icmp_InMsgs);
rrddim_set(st, "OutMsgs", *icmp_OutMsgs);
rrdset_done(st);
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".icmp_errors");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "icmp_errors", NULL, "icmp", NULL
, "IPv4 ICMP Errors", "packets/s", 2603, update_every
, RRDSET_TYPE_LINE);
rrddim_add(st, "InErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "OutErrors", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InErrors", *icmp_InErrors);
rrddim_set(st, "OutErrors", *icmp_OutErrors);
rrddim_set(st, "InCsumErrors", *icmp_InCsumErrors);
rrdset_done(st);
}
}
else if(unlikely(hash == hash_icmpmsg && strcmp(key, "IcmpMsg") == 0)) {
size_t h = l++;
if(strcmp(procfile_lineword(ff, l, 0), "IcmpMsg") != 0) {
error("Cannot read IcmpMsg line from /proc/net/snmp.");
break;
}
parse_line_pair(ff, icmpmsg_data, h, l);
// --------------------------------------------------------------------
if(do_icmpmsg) {
int i;
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".icmpmsg");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "icmpmsg", NULL, "icmp", NULL, "IPv4 ICMP Messages"
, "packets/s", 2604, update_every, RRDSET_TYPE_LINE);
for(i = 0; icmpmsg_data[i].name ;i++)
rrddim_add(st, icmpmsg_data[i].name, icmpmsg_data[i].label, icmpmsg_data[i].multiplier, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
for(i = 0; icmpmsg_data[i].name ;i++)
rrddim_set(st, icmpmsg_data[i].name, icmpmsg_data[i].value);
rrdset_done(st);
}
}
else if(unlikely(hash == hash_tcp && strcmp(key, "Tcp") == 0)) {
size_t h = l++;
if(strcmp(procfile_lineword(ff, l, 0), "Tcp") != 0) {
error("Cannot read Tcp line from /proc/net/snmp.");
break;
}
words = procfile_linewords(ff, l);
if(words < 3) {
error("Cannot read /proc/net/snmp Tcp line. Expected 3+ params, read %zu.", words);
continue;
}
parse_line_pair(ff, tcp_data, h, l);
// --------------------------------------------------------------------
// see http://net-snmp.sourceforge.net/docs/mibs/tcp.html
if(do_tcp_sockets) {
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".tcpsock");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "tcpsock", NULL, "tcp", NULL, "IPv4 TCP Connections"
, "active connections", 2500, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "CurrEstab", "connections", 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
else rrdset_next(st);
rrddim_set(st, "CurrEstab", *tcp_CurrEstab);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcp_packets) {
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".tcppackets");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "tcppackets", NULL, "tcp", NULL, "IPv4 TCP Packets"
, "packets/s", 2600, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "InSegs", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "OutSegs", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InSegs", *tcp_InSegs);
rrddim_set(st, "OutSegs", *tcp_OutSegs);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcp_errors) {
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".tcperrors");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "tcperrors", NULL, "tcp", NULL, "IPv4 TCP Errors"
, "packets/s", 2700, update_every, RRDSET_TYPE_LINE);
rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
rrddim_add(st, "InErrs", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "RetransSegs", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InErrs", *tcp_InErrs);
rrddim_set(st, "InCsumErrors", *tcp_InCsumErrors);
rrddim_set(st, "RetransSegs", *tcp_RetransSegs);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcp_handshake) {
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".tcphandshake");
if(!st) {
st = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "tcphandshake"
, NULL
, "tcp"
, NULL
, "IPv4 TCP Handshake Issues"
, "events/s"
, 2900
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
rrddim_add(st, "EstabResets", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "OutRsts", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "ActiveOpens", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "PassiveOpens", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "AttemptFails", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "TCPSynRetrans", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "EstabResets", *tcp_EstabResets);
rrddim_set(st, "OutRsts", *tcp_OutRsts);
rrddim_set(st, "ActiveOpens", *tcp_ActiveOpens);
rrddim_set(st, "PassiveOpens", *tcp_PassiveOpens);
rrddim_set(st, "AttemptFails", *tcp_AttemptFails);
rrddim_set(st, "TCPSynRetrans", tcpext_TCPSynRetrans);
rrdset_done(st);
}
}
else if(unlikely(hash == hash_udp && strcmp(key, "Udp") == 0)) {
size_t h = l++;
if(strcmp(procfile_lineword(ff, l, 0), "Udp") != 0) {
error("Cannot read Udp line from /proc/net/snmp.");
break;
}
words = procfile_linewords(ff, l);
if(words < 3) {
error("Cannot read /proc/net/snmp Udp line. Expected 3+ params, read %zu.", words);
continue;
}
parse_line_pair(ff, udp_data, h, l);
// --------------------------------------------------------------------
// see http://net-snmp.sourceforge.net/docs/mibs/udp.html
if(do_udp_packets) {
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".udppackets");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "udppackets", NULL, "udp", NULL, "IPv4 UDP Packets"
, "packets/s", 2601, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "InDatagrams", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "OutDatagrams", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InDatagrams", *udp_InDatagrams);
rrddim_set(st, "OutDatagrams", *udp_OutDatagrams);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_udp_errors) {
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".udperrors");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "udperrors", NULL, "udp", NULL, "IPv4 UDP Errors"
, "events/s", 2701, update_every, RRDSET_TYPE_LINE);
rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
rrddim_add(st, "RcvbufErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "SndbufErrors", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "InErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "NoPorts", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "IgnoredMulti", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InErrors", *udp_InErrors);
rrddim_set(st, "NoPorts", *udp_NoPorts);
rrddim_set(st, "RcvbufErrors", *udp_RcvbufErrors);
rrddim_set(st, "SndbufErrors", *udp_SndbufErrors);
rrddim_set(st, "InCsumErrors", *udp_InCsumErrors);
rrddim_set(st, "IgnoredMulti", *udp_IgnoredMulti);
rrdset_done(st);
}
}
else if(unlikely(hash == hash_udplite && strcmp(key, "UdpLite") == 0)) {
size_t h = l++;
if(strcmp(procfile_lineword(ff, l, 0), "UdpLite") != 0) {
error("Cannot read UdpLite line from /proc/net/snmp.");
break;
}
words = procfile_linewords(ff, l);
if(words < 3) {
error("Cannot read /proc/net/snmp UdpLite line. Expected 3+ params, read %zu.", words);
continue;
}
parse_line_pair(ff, udplite_data, h, l);
// --------------------------------------------------------------------
if(do_udplite_packets) {
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".udplite");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "udplite", NULL, "udplite", NULL
, "IPv4 UDPLite Packets", "packets/s", 2603, update_every
, RRDSET_TYPE_LINE);
rrddim_add(st, "InDatagrams", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "OutDatagrams", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InDatagrams", *udplite_InDatagrams);
rrddim_set(st, "OutDatagrams", *udplite_OutDatagrams);
rrdset_done(st);
st = rrdset_find_localhost(RRD_TYPE_NET_SNMP ".udplite_errors");
if(!st) {
st = rrdset_create_localhost(RRD_TYPE_NET_SNMP, "udplite_errors", NULL, "udplite", NULL
, "IPv4 UDPLite Errors", "packets/s", 2604, update_every
, RRDSET_TYPE_LINE);
rrddim_add(st, "RcvbufErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "SndbufErrors", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "NoPorts", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "IgnoredMulti", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "InErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "NoPorts", *udplite_NoPorts);
rrddim_set(st, "InErrors", *udplite_InErrors);
rrddim_set(st, "InCsumErrors", *udplite_InCsumErrors);
rrddim_set(st, "RcvbufErrors", *udplite_RcvbufErrors);
rrddim_set(st, "SndbufErrors", *udplite_SndbufErrors);
rrddim_set(st, "IgnoredMulti", *udplite_IgnoredMulti);
rrdset_done(st);
}
}
}
return 0;
}
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;
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;
// --------------------------------------------------------------------
// IPv4
// IPv4 bandwidth
static unsigned long long ipext_InOctets = 0;
static unsigned long long ipext_OutOctets = 0;
// IPv4 input errors
static unsigned long long ipext_InNoRoutes = 0;
static unsigned long long ipext_InTruncatedPkts = 0;
static unsigned long long ipext_InCsumErrors = 0;
// IPv4 multicast bandwidth
static unsigned long long ipext_InMcastOctets = 0;
static unsigned long long ipext_OutMcastOctets = 0;
// IPv4 multicast packets
static unsigned long long ipext_InMcastPkts = 0;
static unsigned long long ipext_OutMcastPkts = 0;
// IPv4 broadcast bandwidth
static unsigned long long ipext_InBcastOctets = 0;
static unsigned long long ipext_OutBcastOctets = 0;
// IPv4 broadcast packets
static unsigned long long ipext_InBcastPkts = 0;
static unsigned long long ipext_OutBcastPkts = 0;
// IPv4 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;
// --------------------------------------------------------------------
// IPv4 TCP
// IPv4 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;
// IPv4 TCP SYN Cookies
static unsigned long long tcpext_SyncookiesSent = 0;
static unsigned long long tcpext_SyncookiesRecv = 0;
static unsigned long long tcpext_SyncookiesFailed = 0;
// IPv4 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
// IPv4 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
// IPv4 TCP memory pressures
static unsigned long long tcpext_TCPMemoryPressures = 0;
if(unlikely(!arl_ipext)) {
hash_ipext = simple_hash("IpExt");
hash_tcpext = simple_hash("TcpExt");
do_bandwidth = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "bandwidth", CONFIG_ONDEMAND_ONDEMAND);
do_inerrors = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "input errors", CONFIG_ONDEMAND_ONDEMAND);
do_mcast = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "multicast bandwidth", CONFIG_ONDEMAND_ONDEMAND);
do_bcast = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "broadcast bandwidth", CONFIG_ONDEMAND_ONDEMAND);
do_mcast_p = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "multicast packets", CONFIG_ONDEMAND_ONDEMAND);
do_bcast_p = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "broadcast packets", CONFIG_ONDEMAND_ONDEMAND);
do_ecn = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "ECN packets", CONFIG_ONDEMAND_ONDEMAND);
do_tcpext_reorder = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP reorders", CONFIG_ONDEMAND_ONDEMAND);
do_tcpext_syscookies = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP SYN cookies", CONFIG_ONDEMAND_ONDEMAND);
do_tcpext_ofo = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP out-of-order queue", CONFIG_ONDEMAND_ONDEMAND);
do_tcpext_connaborts = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP connection aborts", CONFIG_ONDEMAND_ONDEMAND);
do_tcpext_memory = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP memory pressures", CONFIG_ONDEMAND_ONDEMAND);
arl_ipext = arl_create("netstat/ipext", NULL, 60);
arl_tcpext = arl_create("netstat/tcpext", NULL, 60);
// --------------------------------------------------------------------
// IPv4
if(do_bandwidth != CONFIG_ONDEMAND_NO) {
arl_expect(arl_ipext, "InOctets", &ipext_InOctets);
arl_expect(arl_ipext, "OutOctets", &ipext_OutOctets);
}
if(do_inerrors != CONFIG_ONDEMAND_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_ONDEMAND_NO) {
arl_expect(arl_ipext, "InMcastOctets", &ipext_InMcastOctets);
arl_expect(arl_ipext, "OutMcastOctets", &ipext_OutMcastOctets);
}
if(do_mcast_p != CONFIG_ONDEMAND_NO) {
arl_expect(arl_ipext, "InMcastPkts", &ipext_InMcastPkts);
arl_expect(arl_ipext, "OutMcastPkts", &ipext_OutMcastPkts);
}
if(do_bcast != CONFIG_ONDEMAND_NO) {
arl_expect(arl_ipext, "InBcastPkts", &ipext_InBcastPkts);
arl_expect(arl_ipext, "OutBcastPkts", &ipext_OutBcastPkts);
}
if(do_bcast_p != CONFIG_ONDEMAND_NO) {
arl_expect(arl_ipext, "InBcastOctets", &ipext_InBcastOctets);
arl_expect(arl_ipext, "OutBcastOctets", &ipext_OutBcastOctets);
}
if(do_ecn != CONFIG_ONDEMAND_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);
}
// --------------------------------------------------------------------
// IPv4 TCP
if(do_tcpext_reorder != CONFIG_ONDEMAND_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_ONDEMAND_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_ONDEMAND_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_ONDEMAND_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_ONDEMAND_NO) {
arl_expect(arl_tcpext, "TCPMemoryPressures", &tcpext_TCPMemoryPressures);
}
}
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("plugin:proc:/proc/net/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);
RRDSET *st;
// --------------------------------------------------------------------
if(do_bandwidth == CONFIG_ONDEMAND_YES || (do_bandwidth == CONFIG_ONDEMAND_ONDEMAND && (ipext_InOctets || ipext_OutOctets))) {
do_bandwidth = CONFIG_ONDEMAND_YES;
st = rrdset_find("system.ipv4");
if(unlikely(!st)) {
st = rrdset_create("system", "ipv4", NULL, "network", NULL, "IPv4 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
rrddim_add(st, "InOctets", "received", 8, 1024, RRDDIM_INCREMENTAL);
rrddim_add(st, "OutOctets", "sent", -8, 1024, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InOctets", ipext_InOctets);
rrddim_set(st, "OutOctets", ipext_OutOctets);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_inerrors == CONFIG_ONDEMAND_YES || (do_inerrors == CONFIG_ONDEMAND_ONDEMAND && (ipext_InNoRoutes || ipext_InTruncatedPkts))) {
do_inerrors = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.inerrors");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "inerrors", NULL, "errors", NULL, "IPv4 Input Errors", "packets/s", 4000, update_every, RRDSET_TYPE_LINE);
st->isdetail = 1;
rrddim_add(st, "InNoRoutes", "noroutes", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "InTruncatedPkts", "truncated", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "InCsumErrors", "checksum", 1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InNoRoutes", ipext_InNoRoutes);
rrddim_set(st, "InTruncatedPkts", ipext_InTruncatedPkts);
rrddim_set(st, "InCsumErrors", ipext_InCsumErrors);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_mcast == CONFIG_ONDEMAND_YES || (do_mcast == CONFIG_ONDEMAND_ONDEMAND && (ipext_InMcastOctets || ipext_OutMcastOctets))) {
do_mcast = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.mcast");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "mcast", NULL, "multicast", NULL, "IPv4 Multicast Bandwidth", "kilobits/s", 9000, update_every, RRDSET_TYPE_AREA);
st->isdetail = 1;
rrddim_add(st, "InMcastOctets", "received", 8, 1024, RRDDIM_INCREMENTAL);
rrddim_add(st, "OutMcastOctets", "sent", -8, 1024, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InMcastOctets", ipext_InMcastOctets);
rrddim_set(st, "OutMcastOctets", ipext_OutMcastOctets);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_bcast == CONFIG_ONDEMAND_YES || (do_bcast == CONFIG_ONDEMAND_ONDEMAND && (ipext_InBcastOctets || ipext_OutBcastOctets))) {
do_bcast = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.bcast");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "bcast", NULL, "broadcast", NULL, "IPv4 Broadcast Bandwidth", "kilobits/s", 8000, update_every, RRDSET_TYPE_AREA);
st->isdetail = 1;
rrddim_add(st, "InBcastOctets", "received", 8, 1024, RRDDIM_INCREMENTAL);
rrddim_add(st, "OutBcastOctets", "sent", -8, 1024, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InBcastOctets", ipext_InBcastOctets);
rrddim_set(st, "OutBcastOctets", ipext_OutBcastOctets);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_mcast_p == CONFIG_ONDEMAND_YES || (do_mcast_p == CONFIG_ONDEMAND_ONDEMAND && (ipext_InMcastPkts || ipext_OutMcastPkts))) {
do_mcast_p = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.mcastpkts");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "mcastpkts", NULL, "multicast", NULL, "IPv4 Multicast Packets", "packets/s", 8600, update_every, RRDSET_TYPE_LINE);
st->isdetail = 1;
rrddim_add(st, "InMcastPkts", "received", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "OutMcastPkts", "sent", -1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InMcastPkts", ipext_InMcastPkts);
rrddim_set(st, "OutMcastPkts", ipext_OutMcastPkts);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_bcast_p == CONFIG_ONDEMAND_YES || (do_bcast_p == CONFIG_ONDEMAND_ONDEMAND && (ipext_InBcastPkts || ipext_OutBcastPkts))) {
do_bcast_p = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.bcastpkts");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "bcastpkts", NULL, "broadcast", NULL, "IPv4 Broadcast Packets", "packets/s", 8500, update_every, RRDSET_TYPE_LINE);
st->isdetail = 1;
rrddim_add(st, "InBcastPkts", "received", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "OutBcastPkts", "sent", -1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InBcastPkts", ipext_InBcastPkts);
rrddim_set(st, "OutBcastPkts", ipext_OutBcastPkts);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_ecn == CONFIG_ONDEMAND_YES || (do_ecn == CONFIG_ONDEMAND_ONDEMAND && (ipext_InCEPkts || ipext_InECT0Pkts || ipext_InECT1Pkts || ipext_InNoECTPkts))) {
do_ecn = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.ecnpkts");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "ecnpkts", NULL, "ecn", NULL, "IPv4 ECN Statistics", "packets/s", 8700, update_every, RRDSET_TYPE_LINE);
st->isdetail = 1;
rrddim_add(st, "InCEPkts", "CEP", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "InNoECTPkts", "NoECTP", -1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "InECT0Pkts", "ECTP0", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "InECT1Pkts", "ECTP1", 1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InCEPkts", ipext_InCEPkts);
rrddim_set(st, "InNoECTPkts", ipext_InNoECTPkts);
rrddim_set(st, "InECT0Pkts", ipext_InECT0Pkts);
rrddim_set(st, "InECT1Pkts", ipext_InECT1Pkts);
rrdset_done(st);
}
}
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);
RRDSET *st;
// --------------------------------------------------------------------
if(do_tcpext_memory == CONFIG_ONDEMAND_YES || (do_tcpext_memory == CONFIG_ONDEMAND_ONDEMAND && (tcpext_TCPMemoryPressures))) {
do_tcpext_memory = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.tcpmemorypressures");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "tcpmemorypressures", NULL, "tcp", NULL, "TCP Memory Pressures", "events/s", 3000, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "TCPMemoryPressures", "pressures", 1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "TCPMemoryPressures", tcpext_TCPMemoryPressures);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcpext_connaborts == CONFIG_ONDEMAND_YES || (do_tcpext_connaborts == CONFIG_ONDEMAND_ONDEMAND && (tcpext_TCPAbortOnData || tcpext_TCPAbortOnClose || tcpext_TCPAbortOnMemory || tcpext_TCPAbortOnTimeout || tcpext_TCPAbortOnLinger || tcpext_TCPAbortFailed))) {
do_tcpext_connaborts = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.tcpconnaborts");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "tcpconnaborts", NULL, "tcp", NULL, "TCP Connection Aborts", "connections/s", 3010, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "TCPAbortOnData", "baddata", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPAbortOnClose", "userclosed", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPAbortOnMemory", "nomemory", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPAbortOnTimeout", "timeout", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPAbortOnLinger", "linger", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPAbortFailed", "failed", -1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "TCPAbortOnData", tcpext_TCPAbortOnData);
rrddim_set(st, "TCPAbortOnClose", tcpext_TCPAbortOnClose);
rrddim_set(st, "TCPAbortOnMemory", tcpext_TCPAbortOnMemory);
rrddim_set(st, "TCPAbortOnTimeout", tcpext_TCPAbortOnTimeout);
rrddim_set(st, "TCPAbortOnLinger", tcpext_TCPAbortOnLinger);
rrddim_set(st, "TCPAbortFailed", tcpext_TCPAbortFailed);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcpext_reorder == CONFIG_ONDEMAND_YES || (do_tcpext_reorder == CONFIG_ONDEMAND_ONDEMAND && (tcpext_TCPRenoReorder || tcpext_TCPFACKReorder || tcpext_TCPSACKReorder || tcpext_TCPTSReorder))) {
do_tcpext_reorder = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.tcpreorders");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "tcpreorders", NULL, "tcp", NULL, "TCP Reordered Packets by Detection Method", "packets/s", 3020, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "TCPTSReorder", "timestamp", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPSACKReorder", "sack", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPFACKReorder", "fack", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPRenoReorder", "reno", 1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "TCPTSReorder", tcpext_TCPTSReorder);
rrddim_set(st, "TCPSACKReorder", tcpext_TCPSACKReorder);
rrddim_set(st, "TCPFACKReorder", tcpext_TCPFACKReorder);
rrddim_set(st, "TCPRenoReorder", tcpext_TCPRenoReorder);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcpext_ofo == CONFIG_ONDEMAND_YES || (do_tcpext_ofo == CONFIG_ONDEMAND_ONDEMAND && (tcpext_TCPOFOQueue || tcpext_TCPOFODrop || tcpext_TCPOFOMerge))) {
do_tcpext_ofo = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.tcpofo");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "tcpofo", NULL, "tcp", NULL, "TCP Out-Of-Order Queue", "packets/s", 3050, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "TCPOFOQueue", "inqueue", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPOFODrop", "dropped", -1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPOFOMerge", "merged", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "OfoPruned", "pruned", -1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "TCPOFOQueue", tcpext_TCPOFOQueue);
rrddim_set(st, "TCPOFODrop", tcpext_TCPOFODrop);
rrddim_set(st, "TCPOFOMerge", tcpext_TCPOFOMerge);
rrddim_set(st, "OfoPruned", tcpext_OfoPruned);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcpext_syscookies == CONFIG_ONDEMAND_YES || (do_tcpext_syscookies == CONFIG_ONDEMAND_ONDEMAND && (tcpext_SyncookiesSent || tcpext_SyncookiesRecv || tcpext_SyncookiesFailed))) {
do_tcpext_syscookies = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.tcpsyncookies");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "tcpsyncookies", NULL, "tcp", NULL, "TCP SYN Cookies", "packets/s", 3100, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "SyncookiesRecv", "received", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "SyncookiesSent", "sent", -1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "SyncookiesFailed", "failed", -1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "SyncookiesRecv", tcpext_SyncookiesRecv);
rrddim_set(st, "SyncookiesSent", tcpext_SyncookiesSent);
rrddim_set(st, "SyncookiesFailed", tcpext_SyncookiesFailed);
rrdset_done(st);
}
}
}
return 0;
}
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;
static uint32_t hash_ipext = 0, hash_tcpext = 0;
static procfile *ff = NULL;
static unsigned long long *tcpext_TCPRenoReorder = NULL;
static unsigned long long *tcpext_TCPFACKReorder = NULL;
static unsigned long long *tcpext_TCPSACKReorder = NULL;
static unsigned long long *tcpext_TCPTSReorder = NULL;
static unsigned long long *tcpext_SyncookiesSent = NULL;
static unsigned long long *tcpext_SyncookiesRecv = NULL;
static unsigned long long *tcpext_SyncookiesFailed = NULL;
static unsigned long long *tcpext_TCPOFOQueue = NULL; // Number of packets queued in OFO queue
static unsigned long long *tcpext_TCPOFODrop = NULL; // Number of packets meant to be queued in OFO but dropped because socket rcvbuf limit hit.
static unsigned long long *tcpext_TCPOFOMerge = NULL; // Number of packets in OFO that were merged with other packets.
static unsigned long long *tcpext_OfoPruned = NULL; // packets dropped from out-of-order queue because of socket buffer overrun
static unsigned long long *tcpext_TCPAbortOnData = NULL; // connections reset due to unexpected data
static unsigned long long *tcpext_TCPAbortOnClose = NULL; // connections reset due to early user close
static unsigned long long *tcpext_TCPAbortOnMemory = NULL; // connections aborted due to memory pressure
static unsigned long long *tcpext_TCPAbortOnTimeout = NULL; // connections aborted due to timeout
static unsigned long long *tcpext_TCPAbortOnLinger = NULL; // connections aborted after user close in linger timeout
static unsigned long long *tcpext_TCPAbortFailed = NULL; // times unable to send RST due to no memory
static unsigned long long *tcpext_TCPMemoryPressures = NULL;
/*
// connection rejects
static unsigned long long *tcpext_PAWSActive = NULL; // active connections rejected because of time stamp
static unsigned long long *tcpext_PAWSPassive = NULL; // passive connections rejected because of time stamp
static unsigned long long *tcpext_TCPTimeouts = NULL;
static unsigned long long *tcpext_TCPDSACKUndo = NULL;
static unsigned long long *tcpext_TCPDSACKOldSent = NULL;
static unsigned long long *tcpext_TCPDSACKOfoSent = NULL;
static unsigned long long *tcpext_TCPDSACKRecv = NULL;
static unsigned long long *tcpext_TCPDSACKOfoRecv = NULL;
static unsigned long long *tcpext_TCPDSACKIgnoredOld = NULL;
static unsigned long long *tcpext_TCPDSACKIgnoredNoUndo = NULL;
static unsigned long long *tcpext_EmbryonicRsts = NULL;
static unsigned long long *tcpext_PruneCalled = NULL;
static unsigned long long *tcpext_RcvPruned = NULL;
static unsigned long long *tcpext_OutOfWindowIcmps = NULL;
static unsigned long long *tcpext_LockDroppedIcmps = NULL;
static unsigned long long *tcpext_ArpFilter = NULL;
static unsigned long long *tcpext_TW = NULL;
static unsigned long long *tcpext_TWRecycled = NULL;
static unsigned long long *tcpext_TWKilled = NULL;
static unsigned long long *tcpext_PAWSEstab = NULL;
static unsigned long long *tcpext_DelayedACKs = NULL;
static unsigned long long *tcpext_DelayedACKLocked = NULL;
static unsigned long long *tcpext_DelayedACKLost = NULL;
static unsigned long long *tcpext_ListenOverflows = NULL;
static unsigned long long *tcpext_ListenDrops = NULL;
static unsigned long long *tcpext_TCPPrequeued = NULL;
static unsigned long long *tcpext_TCPDirectCopyFromBacklog = NULL;
static unsigned long long *tcpext_TCPDirectCopyFromPrequeue = NULL;
static unsigned long long *tcpext_TCPPrequeueDropped = NULL;
static unsigned long long *tcpext_TCPHPHits = NULL;
static unsigned long long *tcpext_TCPHPHitsToUser = NULL;
static unsigned long long *tcpext_TCPHPAcks = NULL;
static unsigned long long *tcpext_TCPPureAcks = NULL;
static unsigned long long *tcpext_TCPRenoRecovery = NULL;
static unsigned long long *tcpext_TCPSackRecovery = NULL;
static unsigned long long *tcpext_TCPSackFailures = NULL;
static unsigned long long *tcpext_TCPSACKReneging = NULL;
static unsigned long long *tcpext_TCPSackRecoveryFail = NULL;
static unsigned long long *tcpext_TCPSACKDiscard = NULL;
static unsigned long long *tcpext_TCPSackShifted = NULL;
static unsigned long long *tcpext_TCPSackMerged = NULL;
static unsigned long long *tcpext_TCPSackShiftFallback = NULL;
static unsigned long long *tcpext_TCPFullUndo = NULL;
static unsigned long long *tcpext_TCPPartialUndo = NULL;
static unsigned long long *tcpext_TCPLossUndo = NULL;
static unsigned long long *tcpext_TCPLostRetransmit = NULL;
static unsigned long long *tcpext_TCPRenoFailures = NULL;
static unsigned long long *tcpext_TCPLossFailures = NULL;
static unsigned long long *tcpext_TCPFastRetrans = NULL;
static unsigned long long *tcpext_TCPForwardRetrans = NULL;
static unsigned long long *tcpext_TCPSlowStartRetrans = NULL;
static unsigned long long *tcpext_TCPLossProbes = NULL;
static unsigned long long *tcpext_TCPLossProbeRecovery = NULL;
static unsigned long long *tcpext_TCPRenoRecoveryFail = NULL;
static unsigned long long *tcpext_TCPSchedulerFailed = NULL;
static unsigned long long *tcpext_TCPRcvCollapsed = NULL;
static unsigned long long *tcpext_TCPSpuriousRTOs = NULL;
static unsigned long long *tcpext_TCPMD5NotFound = NULL;
static unsigned long long *tcpext_TCPMD5Unexpected = NULL;
static unsigned long long *tcpext_TCPBacklogDrop = NULL;
static unsigned long long *tcpext_TCPMinTTLDrop = NULL;
static unsigned long long *tcpext_TCPDeferAcceptDrop = NULL;
static unsigned long long *tcpext_IPReversePathFilter = NULL;
static unsigned long long *tcpext_TCPTimeWaitOverflow = NULL;
static unsigned long long *tcpext_TCPReqQFullDoCookies = NULL;
static unsigned long long *tcpext_TCPReqQFullDrop = NULL;
static unsigned long long *tcpext_TCPRetransFail = NULL;
static unsigned long long *tcpext_TCPRcvCoalesce = NULL;
static unsigned long long *tcpext_TCPChallengeACK = NULL;
static unsigned long long *tcpext_TCPSYNChallenge = NULL;
static unsigned long long *tcpext_TCPFastOpenActive = NULL;
static unsigned long long *tcpext_TCPFastOpenActiveFail = NULL;
static unsigned long long *tcpext_TCPFastOpenPassive = NULL;
static unsigned long long *tcpext_TCPFastOpenPassiveFail = NULL;
static unsigned long long *tcpext_TCPFastOpenListenOverflow = NULL;
static unsigned long long *tcpext_TCPFastOpenCookieReqd = NULL;
static unsigned long long *tcpext_TCPSpuriousRtxHostQueues = NULL;
static unsigned long long *tcpext_BusyPollRxPackets = NULL;
static unsigned long long *tcpext_TCPAutoCorking = NULL;
static unsigned long long *tcpext_TCPFromZeroWindowAdv = NULL;
static unsigned long long *tcpext_TCPToZeroWindowAdv = NULL;
static unsigned long long *tcpext_TCPWantZeroWindowAdv = NULL;
static unsigned long long *tcpext_TCPSynRetrans = NULL;
static unsigned long long *tcpext_TCPOrigDataSent = NULL;
static unsigned long long *tcpext_TCPHystartTrainDetect = NULL;
static unsigned long long *tcpext_TCPHystartTrainCwnd = NULL;
static unsigned long long *tcpext_TCPHystartDelayDetect = NULL;
static unsigned long long *tcpext_TCPHystartDelayCwnd = NULL;
static unsigned long long *tcpext_TCPACKSkippedSynRecv = NULL;
static unsigned long long *tcpext_TCPACKSkippedPAWS = NULL;
static unsigned long long *tcpext_TCPACKSkippedSeq = NULL;
static unsigned long long *tcpext_TCPACKSkippedFinWait2 = NULL;
static unsigned long long *tcpext_TCPACKSkippedTimeWait = NULL;
static unsigned long long *tcpext_TCPACKSkippedChallenge = NULL;
static unsigned long long *tcpext_TCPWinProbe = NULL;
static unsigned long long *tcpext_TCPKeepAlive = NULL;
static unsigned long long *tcpext_TCPMTUPFail = NULL;
static unsigned long long *tcpext_TCPMTUPSuccess = NULL;
*/
static unsigned long long *ipext_InNoRoutes = NULL;
static unsigned long long *ipext_InTruncatedPkts = NULL;
static unsigned long long *ipext_InMcastPkts = NULL;
static unsigned long long *ipext_OutMcastPkts = NULL;
static unsigned long long *ipext_InBcastPkts = NULL;
static unsigned long long *ipext_OutBcastPkts = NULL;
static unsigned long long *ipext_InOctets = NULL;
static unsigned long long *ipext_OutOctets = NULL;
static unsigned long long *ipext_InMcastOctets = NULL;
static unsigned long long *ipext_OutMcastOctets = NULL;
static unsigned long long *ipext_InBcastOctets = NULL;
static unsigned long long *ipext_OutBcastOctets = NULL;
static unsigned long long *ipext_InCsumErrors = NULL;
static unsigned long long *ipext_InNoECTPkts = NULL;
static unsigned long long *ipext_InECT1Pkts = NULL;
static unsigned long long *ipext_InECT0Pkts = NULL;
static unsigned long long *ipext_InCEPkts = NULL;
if(unlikely(do_bandwidth == -1)) {
do_bandwidth = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "bandwidth", CONFIG_ONDEMAND_ONDEMAND);
do_inerrors = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "input errors", CONFIG_ONDEMAND_ONDEMAND);
do_mcast = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "multicast bandwidth", CONFIG_ONDEMAND_ONDEMAND);
do_bcast = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "broadcast bandwidth", CONFIG_ONDEMAND_ONDEMAND);
do_mcast_p = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "multicast packets", CONFIG_ONDEMAND_ONDEMAND);
do_bcast_p = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "broadcast packets", CONFIG_ONDEMAND_ONDEMAND);
do_ecn = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "ECN packets", CONFIG_ONDEMAND_ONDEMAND);
do_tcpext_reorder = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP reorders", CONFIG_ONDEMAND_ONDEMAND);
do_tcpext_syscookies = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP SYN cookies", CONFIG_ONDEMAND_ONDEMAND);
do_tcpext_ofo = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP out-of-order queue", CONFIG_ONDEMAND_ONDEMAND);
do_tcpext_connaborts = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP connection aborts", CONFIG_ONDEMAND_ONDEMAND);
do_tcpext_memory = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP memory pressures", CONFIG_ONDEMAND_ONDEMAND);
hash_ipext = simple_hash("IpExt");
hash_tcpext = simple_hash("TcpExt");
hash_array(ipext_data);
hash_array(tcpext_data);
// Reordering
tcpext_TCPFACKReorder = netstat_columns_find(tcpext_data, "TCPFACKReorder");
tcpext_TCPSACKReorder = netstat_columns_find(tcpext_data, "TCPSACKReorder");
tcpext_TCPRenoReorder = netstat_columns_find(tcpext_data, "TCPRenoReorder");
tcpext_TCPTSReorder = netstat_columns_find(tcpext_data, "TCPTSReorder");
// SYN Cookies
tcpext_SyncookiesSent = netstat_columns_find(tcpext_data, "SyncookiesSent");
tcpext_SyncookiesRecv = netstat_columns_find(tcpext_data, "SyncookiesRecv");
tcpext_SyncookiesFailed = netstat_columns_find(tcpext_data, "SyncookiesFailed");
// Out Of Order Queue
// http://www.spinics.net/lists/netdev/msg204696.html
tcpext_TCPOFOQueue = netstat_columns_find(tcpext_data, "TCPOFOQueue"); // Number of packets queued in OFO queue
tcpext_TCPOFODrop = netstat_columns_find(tcpext_data, "TCPOFODrop"); // Number of packets meant to be queued in OFO but dropped because socket rcvbuf limit hit.
tcpext_TCPOFOMerge = netstat_columns_find(tcpext_data, "TCPOFOMerge"); // Number of packets in OFO that were merged with other packets.
tcpext_OfoPruned = netstat_columns_find(tcpext_data, "OfoPruned"); // packets dropped from out-of-order queue because of socket buffer overrun
// connection resets
// https://github.com/ecki/net-tools/blob/bd8bceaed2311651710331a7f8990c3e31be9840/statistics.c
tcpext_TCPAbortOnData = netstat_columns_find(tcpext_data, "TCPAbortOnData"); // connections reset due to unexpected data
tcpext_TCPAbortOnClose = netstat_columns_find(tcpext_data, "TCPAbortOnClose"); // connections reset due to early user close
tcpext_TCPAbortOnMemory = netstat_columns_find(tcpext_data, "TCPAbortOnMemory"); // connections aborted due to memory pressure
tcpext_TCPAbortOnTimeout = netstat_columns_find(tcpext_data, "TCPAbortOnTimeout"); // connections aborted due to timeout
tcpext_TCPAbortOnLinger = netstat_columns_find(tcpext_data, "TCPAbortOnLinger"); // connections aborted after user close in linger timeout
tcpext_TCPAbortFailed = netstat_columns_find(tcpext_data, "TCPAbortFailed"); // times unable to send RST due to no memory
tcpext_TCPMemoryPressures = netstat_columns_find(tcpext_data, "TCPMemoryPressures");
/*
tcpext_EmbryonicRsts = netstat_columns_find(tcpext_data, "EmbryonicRsts");
tcpext_PruneCalled = netstat_columns_find(tcpext_data, "PruneCalled");
tcpext_RcvPruned = netstat_columns_find(tcpext_data, "RcvPruned");
tcpext_OutOfWindowIcmps = netstat_columns_find(tcpext_data, "OutOfWindowIcmps");
tcpext_LockDroppedIcmps = netstat_columns_find(tcpext_data, "LockDroppedIcmps");
tcpext_ArpFilter = netstat_columns_find(tcpext_data, "ArpFilter");
tcpext_TW = netstat_columns_find(tcpext_data, "TW");
tcpext_TWRecycled = netstat_columns_find(tcpext_data, "TWRecycled");
tcpext_TWKilled = netstat_columns_find(tcpext_data, "TWKilled");
tcpext_PAWSPassive = netstat_columns_find(tcpext_data, "PAWSPassive");
tcpext_PAWSActive = netstat_columns_find(tcpext_data, "PAWSActive");
tcpext_PAWSEstab = netstat_columns_find(tcpext_data, "PAWSEstab");
tcpext_DelayedACKs = netstat_columns_find(tcpext_data, "DelayedACKs");
tcpext_DelayedACKLocked = netstat_columns_find(tcpext_data, "DelayedACKLocked");
tcpext_DelayedACKLost = netstat_columns_find(tcpext_data, "DelayedACKLost");
tcpext_ListenOverflows = netstat_columns_find(tcpext_data, "ListenOverflows");
tcpext_ListenDrops = netstat_columns_find(tcpext_data, "ListenDrops");
tcpext_TCPPrequeued = netstat_columns_find(tcpext_data, "TCPPrequeued");
tcpext_TCPDirectCopyFromBacklog = netstat_columns_find(tcpext_data, "TCPDirectCopyFromBacklog");
tcpext_TCPDirectCopyFromPrequeue = netstat_columns_find(tcpext_data, "TCPDirectCopyFromPrequeue");
tcpext_TCPPrequeueDropped = netstat_columns_find(tcpext_data, "TCPPrequeueDropped");
tcpext_TCPHPHits = netstat_columns_find(tcpext_data, "TCPHPHits");
tcpext_TCPHPHitsToUser = netstat_columns_find(tcpext_data, "TCPHPHitsToUser");
tcpext_TCPPureAcks = netstat_columns_find(tcpext_data, "TCPPureAcks");
tcpext_TCPHPAcks = netstat_columns_find(tcpext_data, "TCPHPAcks");
tcpext_TCPRenoRecovery = netstat_columns_find(tcpext_data, "TCPRenoRecovery");
tcpext_TCPSackRecovery = netstat_columns_find(tcpext_data, "TCPSackRecovery");
tcpext_TCPSACKReneging = netstat_columns_find(tcpext_data, "TCPSACKReneging");
tcpext_TCPFullUndo = netstat_columns_find(tcpext_data, "TCPFullUndo");
tcpext_TCPPartialUndo = netstat_columns_find(tcpext_data, "TCPPartialUndo");
tcpext_TCPDSACKUndo = netstat_columns_find(tcpext_data, "TCPDSACKUndo");
tcpext_TCPLossUndo = netstat_columns_find(tcpext_data, "TCPLossUndo");
tcpext_TCPLostRetransmit = netstat_columns_find(tcpext_data, "TCPLostRetransmit");
tcpext_TCPRenoFailures = netstat_columns_find(tcpext_data, "TCPRenoFailures");
tcpext_TCPSackFailures = netstat_columns_find(tcpext_data, "TCPSackFailures");
tcpext_TCPLossFailures = netstat_columns_find(tcpext_data, "TCPLossFailures");
tcpext_TCPFastRetrans = netstat_columns_find(tcpext_data, "TCPFastRetrans");
tcpext_TCPForwardRetrans = netstat_columns_find(tcpext_data, "TCPForwardRetrans");
tcpext_TCPSlowStartRetrans = netstat_columns_find(tcpext_data, "TCPSlowStartRetrans");
tcpext_TCPTimeouts = netstat_columns_find(tcpext_data, "TCPTimeouts");
tcpext_TCPLossProbes = netstat_columns_find(tcpext_data, "TCPLossProbes");
tcpext_TCPLossProbeRecovery = netstat_columns_find(tcpext_data, "TCPLossProbeRecovery");
tcpext_TCPRenoRecoveryFail = netstat_columns_find(tcpext_data, "TCPRenoRecoveryFail");
tcpext_TCPSackRecoveryFail = netstat_columns_find(tcpext_data, "TCPSackRecoveryFail");
tcpext_TCPSchedulerFailed = netstat_columns_find(tcpext_data, "TCPSchedulerFailed");
tcpext_TCPRcvCollapsed = netstat_columns_find(tcpext_data, "TCPRcvCollapsed");
tcpext_TCPDSACKOldSent = netstat_columns_find(tcpext_data, "TCPDSACKOldSent");
tcpext_TCPDSACKOfoSent = netstat_columns_find(tcpext_data, "TCPDSACKOfoSent");
tcpext_TCPDSACKRecv = netstat_columns_find(tcpext_data, "TCPDSACKRecv");
tcpext_TCPDSACKOfoRecv = netstat_columns_find(tcpext_data, "TCPDSACKOfoRecv");
tcpext_TCPSACKDiscard = netstat_columns_find(tcpext_data, "TCPSACKDiscard");
tcpext_TCPDSACKIgnoredOld = netstat_columns_find(tcpext_data, "TCPDSACKIgnoredOld");
tcpext_TCPDSACKIgnoredNoUndo = netstat_columns_find(tcpext_data, "TCPDSACKIgnoredNoUndo");
tcpext_TCPSpuriousRTOs = netstat_columns_find(tcpext_data, "TCPSpuriousRTOs");
tcpext_TCPMD5NotFound = netstat_columns_find(tcpext_data, "TCPMD5NotFound");
tcpext_TCPMD5Unexpected = netstat_columns_find(tcpext_data, "TCPMD5Unexpected");
tcpext_TCPSackShifted = netstat_columns_find(tcpext_data, "TCPSackShifted");
tcpext_TCPSackMerged = netstat_columns_find(tcpext_data, "TCPSackMerged");
tcpext_TCPSackShiftFallback = netstat_columns_find(tcpext_data, "TCPSackShiftFallback");
tcpext_TCPBacklogDrop = netstat_columns_find(tcpext_data, "TCPBacklogDrop");
tcpext_TCPMinTTLDrop = netstat_columns_find(tcpext_data, "TCPMinTTLDrop");
tcpext_TCPDeferAcceptDrop = netstat_columns_find(tcpext_data, "TCPDeferAcceptDrop");
tcpext_IPReversePathFilter = netstat_columns_find(tcpext_data, "IPReversePathFilter");
tcpext_TCPTimeWaitOverflow = netstat_columns_find(tcpext_data, "TCPTimeWaitOverflow");
tcpext_TCPReqQFullDoCookies = netstat_columns_find(tcpext_data, "TCPReqQFullDoCookies");
tcpext_TCPReqQFullDrop = netstat_columns_find(tcpext_data, "TCPReqQFullDrop");
tcpext_TCPRetransFail = netstat_columns_find(tcpext_data, "TCPRetransFail");
tcpext_TCPRcvCoalesce = netstat_columns_find(tcpext_data, "TCPRcvCoalesce");
tcpext_TCPChallengeACK = netstat_columns_find(tcpext_data, "TCPChallengeACK");
tcpext_TCPSYNChallenge = netstat_columns_find(tcpext_data, "TCPSYNChallenge");
tcpext_TCPFastOpenActive = netstat_columns_find(tcpext_data, "TCPFastOpenActive");
tcpext_TCPFastOpenActiveFail = netstat_columns_find(tcpext_data, "TCPFastOpenActiveFail");
tcpext_TCPFastOpenPassive = netstat_columns_find(tcpext_data, "TCPFastOpenPassive");
tcpext_TCPFastOpenPassiveFail = netstat_columns_find(tcpext_data, "TCPFastOpenPassiveFail");
tcpext_TCPFastOpenListenOverflow = netstat_columns_find(tcpext_data, "TCPFastOpenListenOverflow");
tcpext_TCPFastOpenCookieReqd = netstat_columns_find(tcpext_data, "TCPFastOpenCookieReqd");
tcpext_TCPSpuriousRtxHostQueues = netstat_columns_find(tcpext_data, "TCPSpuriousRtxHostQueues");
tcpext_BusyPollRxPackets = netstat_columns_find(tcpext_data, "BusyPollRxPackets");
tcpext_TCPAutoCorking = netstat_columns_find(tcpext_data, "TCPAutoCorking");
tcpext_TCPFromZeroWindowAdv = netstat_columns_find(tcpext_data, "TCPFromZeroWindowAdv");
tcpext_TCPToZeroWindowAdv = netstat_columns_find(tcpext_data, "TCPToZeroWindowAdv");
tcpext_TCPWantZeroWindowAdv = netstat_columns_find(tcpext_data, "TCPWantZeroWindowAdv");
tcpext_TCPSynRetrans = netstat_columns_find(tcpext_data, "TCPSynRetrans");
tcpext_TCPOrigDataSent = netstat_columns_find(tcpext_data, "TCPOrigDataSent");
tcpext_TCPHystartTrainDetect = netstat_columns_find(tcpext_data, "TCPHystartTrainDetect");
tcpext_TCPHystartTrainCwnd = netstat_columns_find(tcpext_data, "TCPHystartTrainCwnd");
tcpext_TCPHystartDelayDetect = netstat_columns_find(tcpext_data, "TCPHystartDelayDetect");
tcpext_TCPHystartDelayCwnd = netstat_columns_find(tcpext_data, "TCPHystartDelayCwnd");
tcpext_TCPACKSkippedSynRecv = netstat_columns_find(tcpext_data, "TCPACKSkippedSynRecv");
tcpext_TCPACKSkippedPAWS = netstat_columns_find(tcpext_data, "TCPACKSkippedPAWS");
tcpext_TCPACKSkippedSeq = netstat_columns_find(tcpext_data, "TCPACKSkippedSeq");
tcpext_TCPACKSkippedFinWait2 = netstat_columns_find(tcpext_data, "TCPACKSkippedFinWait2");
tcpext_TCPACKSkippedTimeWait = netstat_columns_find(tcpext_data, "TCPACKSkippedTimeWait");
tcpext_TCPACKSkippedChallenge = netstat_columns_find(tcpext_data, "TCPACKSkippedChallenge");
tcpext_TCPWinProbe = netstat_columns_find(tcpext_data, "TCPWinProbe");
tcpext_TCPKeepAlive = netstat_columns_find(tcpext_data, "TCPKeepAlive");
tcpext_TCPMTUPFail = netstat_columns_find(tcpext_data, "TCPMTUPFail");
tcpext_TCPMTUPSuccess = netstat_columns_find(tcpext_data, "TCPMTUPSuccess");
*/
ipext_InNoRoutes = netstat_columns_find(ipext_data, "InNoRoutes");
ipext_InTruncatedPkts = netstat_columns_find(ipext_data, "InTruncatedPkts");
ipext_InMcastPkts = netstat_columns_find(ipext_data, "InMcastPkts");
ipext_OutMcastPkts = netstat_columns_find(ipext_data, "OutMcastPkts");
ipext_InBcastPkts = netstat_columns_find(ipext_data, "InBcastPkts");
ipext_OutBcastPkts = netstat_columns_find(ipext_data, "OutBcastPkts");
ipext_InOctets = netstat_columns_find(ipext_data, "InOctets");
ipext_OutOctets = netstat_columns_find(ipext_data, "OutOctets");
ipext_InMcastOctets = netstat_columns_find(ipext_data, "InMcastOctets");
ipext_OutMcastOctets = netstat_columns_find(ipext_data, "OutMcastOctets");
ipext_InBcastOctets = netstat_columns_find(ipext_data, "InBcastOctets");
ipext_OutBcastOctets = netstat_columns_find(ipext_data, "OutBcastOctets");
ipext_InCsumErrors = netstat_columns_find(ipext_data, "InCsumErrors");
ipext_InNoECTPkts = netstat_columns_find(ipext_data, "InNoECTPkts");
ipext_InECT1Pkts = netstat_columns_find(ipext_data, "InECT1Pkts");
ipext_InECT0Pkts = netstat_columns_find(ipext_data, "InECT0Pkts");
ipext_InCEPkts = netstat_columns_find(ipext_data, "InCEPkts");
}
if(unlikely(!ff)) {
char filename[FILENAME_MAX + 1];
snprintfz(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/netstat");
ff = procfile_open(config_get("plugin:proc:/proc/net/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
uint32_t lines = procfile_lines(ff), l;
uint32_t words;
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)) {
uint32_t h = l++;
if(unlikely(strcmp(procfile_lineword(ff, l, 0), "IpExt") != 0)) {
error("Cannot read IpExt line from /proc/net/netstat.");
break;
}
words = procfile_linewords(ff, l);
if(unlikely(words < 2)) {
error("Cannot read /proc/net/netstat IpExt line. Expected 2+ params, read %u.", words);
continue;
}
parse_line_pair(ff, ipext_data, h, l);
RRDSET *st;
// --------------------------------------------------------------------
if(do_bandwidth == CONFIG_ONDEMAND_YES || (do_bandwidth == CONFIG_ONDEMAND_ONDEMAND && (*ipext_InOctets || *ipext_OutOctets))) {
do_bandwidth = CONFIG_ONDEMAND_YES;
st = rrdset_find("system.ipv4");
if(unlikely(!st)) {
st = rrdset_create("system", "ipv4", NULL, "network", NULL, "IPv4 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
rrddim_add(st, "InOctets", "received", 8, 1024, RRDDIM_INCREMENTAL);
rrddim_add(st, "OutOctets", "sent", -8, 1024, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InOctets", *ipext_InOctets);
rrddim_set(st, "OutOctets", *ipext_OutOctets);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_inerrors == CONFIG_ONDEMAND_YES || (do_inerrors == CONFIG_ONDEMAND_ONDEMAND && (*ipext_InNoRoutes || *ipext_InTruncatedPkts))) {
do_inerrors = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.inerrors");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "inerrors", NULL, "errors", NULL, "IPv4 Input Errors", "packets/s", 4000, update_every, RRDSET_TYPE_LINE);
st->isdetail = 1;
rrddim_add(st, "InNoRoutes", "noroutes", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "InTruncatedPkts", "truncated", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "InCsumErrors", "checksum", 1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InNoRoutes", *ipext_InNoRoutes);
rrddim_set(st, "InTruncatedPkts", *ipext_InTruncatedPkts);
rrddim_set(st, "InCsumErrors", *ipext_InCsumErrors);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_mcast == CONFIG_ONDEMAND_YES || (do_mcast == CONFIG_ONDEMAND_ONDEMAND && (*ipext_InMcastOctets || *ipext_OutMcastOctets))) {
do_mcast = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.mcast");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "mcast", NULL, "multicast", NULL, "IPv4 Multicast Bandwidth", "kilobits/s", 9000, update_every, RRDSET_TYPE_AREA);
st->isdetail = 1;
rrddim_add(st, "InMcastOctets", "received", 8, 1024, RRDDIM_INCREMENTAL);
rrddim_add(st, "OutMcastOctets", "sent", -8, 1024, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InMcastOctets", *ipext_InMcastOctets);
rrddim_set(st, "OutMcastOctets", *ipext_OutMcastOctets);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_bcast == CONFIG_ONDEMAND_YES || (do_bcast == CONFIG_ONDEMAND_ONDEMAND && (*ipext_InBcastOctets || *ipext_OutBcastOctets))) {
do_bcast = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.bcast");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "bcast", NULL, "broadcast", NULL, "IPv4 Broadcast Bandwidth", "kilobits/s", 8000, update_every, RRDSET_TYPE_AREA);
st->isdetail = 1;
rrddim_add(st, "InBcastOctets", "received", 8, 1024, RRDDIM_INCREMENTAL);
rrddim_add(st, "OutBcastOctets", "sent", -8, 1024, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InBcastOctets", *ipext_InBcastOctets);
rrddim_set(st, "OutBcastOctets", *ipext_OutBcastOctets);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_mcast_p == CONFIG_ONDEMAND_YES || (do_mcast_p == CONFIG_ONDEMAND_ONDEMAND && (*ipext_InMcastPkts || *ipext_OutMcastPkts))) {
do_mcast_p = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.mcastpkts");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "mcastpkts", NULL, "multicast", NULL, "IPv4 Multicast Packets", "packets/s", 8600, update_every, RRDSET_TYPE_LINE);
st->isdetail = 1;
rrddim_add(st, "InMcastPkts", "received", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "OutMcastPkts", "sent", -1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InMcastPkts", *ipext_InMcastPkts);
rrddim_set(st, "OutMcastPkts", *ipext_OutMcastPkts);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_bcast_p == CONFIG_ONDEMAND_YES || (do_bcast_p == CONFIG_ONDEMAND_ONDEMAND && (*ipext_InBcastPkts || *ipext_OutBcastPkts))) {
do_bcast_p = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.bcastpkts");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "bcastpkts", NULL, "broadcast", NULL, "IPv4 Broadcast Packets", "packets/s", 8500, update_every, RRDSET_TYPE_LINE);
st->isdetail = 1;
rrddim_add(st, "InBcastPkts", "received", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "OutBcastPkts", "sent", -1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InBcastPkts", *ipext_InBcastPkts);
rrddim_set(st, "OutBcastPkts", *ipext_OutBcastPkts);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_ecn == CONFIG_ONDEMAND_YES || (do_ecn == CONFIG_ONDEMAND_ONDEMAND && (*ipext_InCEPkts || *ipext_InECT0Pkts || *ipext_InECT1Pkts || *ipext_InNoECTPkts))) {
do_ecn = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.ecnpkts");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "ecnpkts", NULL, "ecn", NULL, "IPv4 ECN Statistics", "packets/s", 8700, update_every, RRDSET_TYPE_LINE);
st->isdetail = 1;
rrddim_add(st, "InCEPkts", "CEP", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "InNoECTPkts", "NoECTP", -1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "InECT0Pkts", "ECTP0", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "InECT1Pkts", "ECTP1", 1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "InCEPkts", *ipext_InCEPkts);
rrddim_set(st, "InNoECTPkts", *ipext_InNoECTPkts);
rrddim_set(st, "InECT0Pkts", *ipext_InECT0Pkts);
rrddim_set(st, "InECT1Pkts", *ipext_InECT1Pkts);
rrdset_done(st);
}
}
else if(unlikely(hash == hash_tcpext && strcmp(key, "TcpExt") == 0)) {
uint32_t h = l++;
if(unlikely(strcmp(procfile_lineword(ff, l, 0), "TcpExt") != 0)) {
error("Cannot read TcpExt line from /proc/net/netstat.");
break;
}
words = procfile_linewords(ff, l);
if(unlikely(words < 2)) {
error("Cannot read /proc/net/netstat TcpExt line. Expected 2+ params, read %u.", words);
continue;
}
parse_line_pair(ff, tcpext_data, h, l);
RRDSET *st;
// --------------------------------------------------------------------
if(do_tcpext_memory == CONFIG_ONDEMAND_YES || (do_tcpext_memory == CONFIG_ONDEMAND_ONDEMAND && (*tcpext_TCPMemoryPressures))) {
do_tcpext_memory = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.tcpmemorypressures");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "tcpmemorypressures", NULL, "tcp", NULL, "TCP Memory Pressures", "events/s", 3000, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "TCPMemoryPressures", "pressures", 1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "TCPMemoryPressures", *tcpext_TCPMemoryPressures);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcpext_connaborts == CONFIG_ONDEMAND_YES || (do_tcpext_connaborts == CONFIG_ONDEMAND_ONDEMAND && (*tcpext_TCPAbortOnData || *tcpext_TCPAbortOnClose || *tcpext_TCPAbortOnMemory || *tcpext_TCPAbortOnTimeout || *tcpext_TCPAbortOnLinger || *tcpext_TCPAbortFailed))) {
do_tcpext_connaborts = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.tcpconnaborts");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "tcpconnaborts", NULL, "tcp", NULL, "TCP Connection Aborts", "connections/s", 3010, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "TCPAbortOnData", "baddata", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPAbortOnClose", "userclosed", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPAbortOnMemory", "nomemory", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPAbortOnTimeout", "timeout", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPAbortOnLinger", "linger", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPAbortFailed", "failed", -1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "TCPAbortOnData", *tcpext_TCPAbortOnData);
rrddim_set(st, "TCPAbortOnClose", *tcpext_TCPAbortOnClose);
rrddim_set(st, "TCPAbortOnMemory", *tcpext_TCPAbortOnMemory);
rrddim_set(st, "TCPAbortOnTimeout", *tcpext_TCPAbortOnTimeout);
rrddim_set(st, "TCPAbortOnLinger", *tcpext_TCPAbortOnLinger);
rrddim_set(st, "TCPAbortFailed", *tcpext_TCPAbortFailed);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcpext_reorder == CONFIG_ONDEMAND_YES || (do_tcpext_reorder == CONFIG_ONDEMAND_ONDEMAND && (*tcpext_TCPRenoReorder || *tcpext_TCPFACKReorder || *tcpext_TCPSACKReorder || *tcpext_TCPTSReorder))) {
do_tcpext_reorder = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.tcpreorders");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "tcpreorders", NULL, "tcp", NULL, "TCP Reordered Packets by Detection Method", "packets/s", 3020, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "TCPTSReorder", "timestamp", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPSACKReorder", "sack", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPFACKReorder", "fack", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPRenoReorder", "reno", 1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "TCPTSReorder", *tcpext_TCPTSReorder);
rrddim_set(st, "TCPSACKReorder", *tcpext_TCPSACKReorder);
rrddim_set(st, "TCPFACKReorder", *tcpext_TCPFACKReorder);
rrddim_set(st, "TCPRenoReorder", *tcpext_TCPRenoReorder);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcpext_ofo == CONFIG_ONDEMAND_YES || (do_tcpext_ofo == CONFIG_ONDEMAND_ONDEMAND && (*tcpext_TCPOFOQueue || *tcpext_TCPOFODrop || *tcpext_TCPOFOMerge))) {
do_tcpext_ofo = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.tcpofo");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "tcpofo", NULL, "tcp", NULL, "TCP Out-Of-Order Queue", "packets/s", 3050, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "TCPOFOQueue", "inqueue", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPOFODrop", "dropped", -1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "TCPOFOMerge", "merged", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "OfoPruned", "pruned", -1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "TCPOFOQueue", *tcpext_TCPOFOQueue);
rrddim_set(st, "TCPOFODrop", *tcpext_TCPOFODrop);
rrddim_set(st, "TCPOFOMerge", *tcpext_TCPOFOMerge);
rrddim_set(st, "OfoPruned", *tcpext_OfoPruned);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcpext_syscookies == CONFIG_ONDEMAND_YES || (do_tcpext_syscookies == CONFIG_ONDEMAND_ONDEMAND && (*tcpext_SyncookiesSent || *tcpext_SyncookiesRecv || *tcpext_SyncookiesFailed))) {
do_tcpext_syscookies = CONFIG_ONDEMAND_YES;
st = rrdset_find("ipv4.tcpsyncookies");
if(unlikely(!st)) {
st = rrdset_create("ipv4", "tcpsyncookies", NULL, "tcp", NULL, "TCP SYN Cookies", "packets/s", 3100, update_every, RRDSET_TYPE_LINE);
rrddim_add(st, "SyncookiesRecv", "received", 1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "SyncookiesSent", "sent", -1, 1, RRDDIM_INCREMENTAL);
rrddim_add(st, "SyncookiesFailed", "failed", -1, 1, RRDDIM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set(st, "SyncookiesRecv", *tcpext_SyncookiesRecv);
rrddim_set(st, "SyncookiesSent", *tcpext_SyncookiesSent);
rrddim_set(st, "SyncookiesFailed", *tcpext_SyncookiesFailed);
rrdset_done(st);
}
}
}
return 0;
}
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_listen = -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;
// --------------------------------------------------------------------
// IPv4
// IPv4 bandwidth
static unsigned long long ipext_InOctets = 0;
static unsigned long long ipext_OutOctets = 0;
// IPv4 input errors
static unsigned long long ipext_InNoRoutes = 0;
static unsigned long long ipext_InTruncatedPkts = 0;
static unsigned long long ipext_InCsumErrors = 0;
// IPv4 multicast bandwidth
static unsigned long long ipext_InMcastOctets = 0;
static unsigned long long ipext_OutMcastOctets = 0;
// IPv4 multicast packets
static unsigned long long ipext_InMcastPkts = 0;
static unsigned long long ipext_OutMcastPkts = 0;
// IPv4 broadcast bandwidth
static unsigned long long ipext_InBcastOctets = 0;
static unsigned long long ipext_OutBcastOctets = 0;
// IPv4 broadcast packets
static unsigned long long ipext_InBcastPkts = 0;
static unsigned long long ipext_OutBcastPkts = 0;
// IPv4 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;
// --------------------------------------------------------------------
// IPv4 TCP
// IPv4 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;
// IPv4 TCP SYN Cookies
static unsigned long long tcpext_SyncookiesSent = 0;
static unsigned long long tcpext_SyncookiesRecv = 0;
static unsigned long long tcpext_SyncookiesFailed = 0;
// IPv4 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
// IPv4 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
// IPv4 TCP memory pressures
static unsigned long long tcpext_TCPMemoryPressures = 0;
// shared: tcpext_TCPSynRetrans
if(unlikely(!arl_ipext)) {
hash_ipext = simple_hash("IpExt");
hash_tcpext = simple_hash("TcpExt");
do_bandwidth = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "bandwidth", CONFIG_BOOLEAN_AUTO);
do_inerrors = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "input errors", CONFIG_BOOLEAN_AUTO);
do_mcast = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "multicast bandwidth", CONFIG_BOOLEAN_AUTO);
do_bcast = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "broadcast bandwidth", CONFIG_BOOLEAN_AUTO);
do_mcast_p = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "multicast packets", CONFIG_BOOLEAN_AUTO);
do_bcast_p = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "broadcast packets", CONFIG_BOOLEAN_AUTO);
do_ecn = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "ECN packets", CONFIG_BOOLEAN_AUTO);
do_tcpext_reorder = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP reorders", CONFIG_BOOLEAN_AUTO);
do_tcpext_syscookies = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP SYN cookies", CONFIG_BOOLEAN_AUTO);
do_tcpext_ofo = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP out-of-order queue", CONFIG_BOOLEAN_AUTO);
do_tcpext_connaborts = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP connection aborts", CONFIG_BOOLEAN_AUTO);
do_tcpext_memory = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP memory pressures", CONFIG_BOOLEAN_AUTO);
do_tcpext_listen = config_get_boolean_ondemand("plugin:proc:/proc/net/netstat", "TCP listen issues", CONFIG_BOOLEAN_AUTO);
arl_ipext = arl_create("netstat/ipext", NULL, 60);
arl_tcpext = arl_create("netstat/tcpext", NULL, 60);
// --------------------------------------------------------------------
// IPv4
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);
}
// --------------------------------------------------------------------
// IPv4 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_listen != CONFIG_BOOLEAN_NO) {
arl_expect(arl_tcpext, "ListenOverflows", &tcpext_ListenOverflows);
arl_expect(arl_tcpext, "ListenDrops", &tcpext_ListenDrops);
}
// 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("plugin:proc:/proc/net/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))) {
do_bandwidth = CONFIG_BOOLEAN_YES;
static RRDSET *st_system_ipv4 = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if(unlikely(!st_system_ipv4)) {
st_system_ipv4 = rrdset_create_localhost(
"system"
, "ipv4"
, NULL
, "network"
, NULL
, "IPv4 Bandwidth"
, "kilobits/s"
, "proc"
, "net/netstat"
, NETDATA_CHART_PRIO_SYSTEM_IPV4
, update_every
, RRDSET_TYPE_AREA
);
rd_in = rrddim_add(st_system_ipv4, "InOctets", "received", 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st_system_ipv4, "OutOctets", "sent", -8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_system_ipv4);
rrddim_set_by_pointer(st_system_ipv4, rd_in, ipext_InOctets);
rrddim_set_by_pointer(st_system_ipv4, rd_out, ipext_OutOctets);
rrdset_done(st_system_ipv4);
}
// --------------------------------------------------------------------
if(do_inerrors == CONFIG_BOOLEAN_YES || (do_inerrors == CONFIG_BOOLEAN_AUTO && (ipext_InNoRoutes || ipext_InTruncatedPkts))) {
do_inerrors = CONFIG_BOOLEAN_YES;
static RRDSET *st_ipv4_inerrors = NULL;
static RRDDIM *rd_noroutes = NULL, *rd_truncated = NULL, *rd_checksum = NULL;
if(unlikely(!st_ipv4_inerrors)) {
st_ipv4_inerrors = rrdset_create_localhost(
"ipv4"
, "inerrors"
, NULL
, "errors"
, NULL
, "IPv4 Input Errors"
, "packets/s"
, "proc"
, "net/netstat"
, NETDATA_CHART_PRIO_IPV4_ERRORS
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st_ipv4_inerrors, RRDSET_FLAG_DETAIL);
rd_noroutes = rrddim_add(st_ipv4_inerrors, "InNoRoutes", "noroutes", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_truncated = rrddim_add(st_ipv4_inerrors, "InTruncatedPkts", "truncated", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_checksum = rrddim_add(st_ipv4_inerrors, "InCsumErrors", "checksum", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_ipv4_inerrors);
rrddim_set_by_pointer(st_ipv4_inerrors, rd_noroutes, ipext_InNoRoutes);
rrddim_set_by_pointer(st_ipv4_inerrors, rd_truncated, ipext_InTruncatedPkts);
rrddim_set_by_pointer(st_ipv4_inerrors, rd_checksum, ipext_InCsumErrors);
rrdset_done(st_ipv4_inerrors);
}
// --------------------------------------------------------------------
if(do_mcast == CONFIG_BOOLEAN_YES || (do_mcast == CONFIG_BOOLEAN_AUTO && (ipext_InMcastOctets || ipext_OutMcastOctets))) {
do_mcast = CONFIG_BOOLEAN_YES;
static RRDSET *st_ipv4_mcast = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if(unlikely(!st_ipv4_mcast)) {
st_ipv4_mcast = rrdset_create_localhost(
"ipv4"
, "mcast"
, NULL
, "multicast"
, NULL
, "IPv4 Multicast Bandwidth"
, "kilobits/s"
, "proc"
, "net/netstat"
, NETDATA_CHART_PRIO_IPV4_MCAST
, update_every
, RRDSET_TYPE_AREA
);
rrdset_flag_set(st_ipv4_mcast, RRDSET_FLAG_DETAIL);
rd_in = rrddim_add(st_ipv4_mcast, "InMcastOctets", "received", 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st_ipv4_mcast, "OutMcastOctets", "sent", -8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_ipv4_mcast);
rrddim_set_by_pointer(st_ipv4_mcast, rd_in, ipext_InMcastOctets);
rrddim_set_by_pointer(st_ipv4_mcast, rd_out, ipext_OutMcastOctets);
rrdset_done(st_ipv4_mcast);
}
// --------------------------------------------------------------------
if(do_bcast == CONFIG_BOOLEAN_YES || (do_bcast == CONFIG_BOOLEAN_AUTO && (ipext_InBcastOctets || ipext_OutBcastOctets))) {
do_bcast = CONFIG_BOOLEAN_YES;
static RRDSET *st_ipv4_bcast = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if(unlikely(!st_ipv4_bcast)) {
st_ipv4_bcast = rrdset_create_localhost(
"ipv4"
, "bcast"
, NULL
, "broadcast"
, NULL
, "IPv4 Broadcast Bandwidth"
, "kilobits/s"
, "proc"
, "net/netstat"
, NETDATA_CHART_PRIO_IPV4_BCAST
, update_every
, RRDSET_TYPE_AREA
);
rrdset_flag_set(st_ipv4_bcast, RRDSET_FLAG_DETAIL);
rd_in = rrddim_add(st_ipv4_bcast, "InBcastOctets", "received", 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st_ipv4_bcast, "OutBcastOctets", "sent", -8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_ipv4_bcast);
rrddim_set_by_pointer(st_ipv4_bcast, rd_in, ipext_InBcastOctets);
rrddim_set_by_pointer(st_ipv4_bcast, rd_out, ipext_OutBcastOctets);
rrdset_done(st_ipv4_bcast);
}
// --------------------------------------------------------------------
if(do_mcast_p == CONFIG_BOOLEAN_YES || (do_mcast_p == CONFIG_BOOLEAN_AUTO && (ipext_InMcastPkts || ipext_OutMcastPkts))) {
do_mcast_p = CONFIG_BOOLEAN_YES;
static RRDSET *st_ipv4_mcastpkts = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if(unlikely(!st_ipv4_mcastpkts)) {
st_ipv4_mcastpkts = rrdset_create_localhost(
"ipv4"
, "mcastpkts"
, NULL
, "multicast"
, NULL
, "IPv4 Multicast Packets"
, "packets/s"
, "proc"
, "net/netstat"
, NETDATA_CHART_PRIO_IPV4_MCAST + 10
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st_ipv4_mcastpkts, RRDSET_FLAG_DETAIL);
rd_in = rrddim_add(st_ipv4_mcastpkts, "InMcastPkts", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st_ipv4_mcastpkts, "OutMcastPkts", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st_ipv4_mcastpkts);
rrddim_set_by_pointer(st_ipv4_mcastpkts, rd_in, ipext_InMcastPkts);
rrddim_set_by_pointer(st_ipv4_mcastpkts, rd_out, ipext_OutMcastPkts);
rrdset_done(st_ipv4_mcastpkts);
}
// --------------------------------------------------------------------
if(do_bcast_p == CONFIG_BOOLEAN_YES || (do_bcast_p == CONFIG_BOOLEAN_AUTO && (ipext_InBcastPkts || ipext_OutBcastPkts))) {
do_bcast_p = CONFIG_BOOLEAN_YES;
static RRDSET *st_ipv4_bcastpkts = NULL;
static RRDDIM *rd_in = NULL, *rd_out = NULL;
if(unlikely(!st_ipv4_bcastpkts)) {
st_ipv4_bcastpkts = rrdset_create_localhost(
"ipv4"
, "bcastpkts"
, NULL
, "broadcast"
, NULL
, "IPv4 Broadcast Packets"
, "packets/s"
, "proc"
, "net/netstat"
, NETDATA_CHART_PRIO_IPV4_BCAST + 10
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st_ipv4_bcastpkts, RRDSET_FLAG_DETAIL);
rd_in = rrddim_add(st_ipv4_bcastpkts, "InBcastPkts", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st_ipv4_bcastpkts, "OutBcastPkts", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_ipv4_bcastpkts);
rrddim_set_by_pointer(st_ipv4_bcastpkts, rd_in, ipext_InBcastPkts);
rrddim_set_by_pointer(st_ipv4_bcastpkts, rd_out, ipext_OutBcastPkts);
rrdset_done(st_ipv4_bcastpkts);
}
// --------------------------------------------------------------------
if(do_ecn == CONFIG_BOOLEAN_YES || (do_ecn == CONFIG_BOOLEAN_AUTO && (ipext_InCEPkts || ipext_InECT0Pkts || ipext_InECT1Pkts || ipext_InNoECTPkts))) {
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(
"ipv4"
, "ecnpkts"
, NULL
, "ecn"
, NULL
, "IPv4 ECN Statistics"
, "packets/s"
, "proc"
, "net/netstat"
, NETDATA_CHART_PRIO_IPV4_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))) {
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(
"ipv4"
, "tcpmemorypressures"
, NULL
, "tcp"
, NULL
, "TCP Memory Pressures"
, "events/s"
, "proc"
, "net/netstat"
, NETDATA_CHART_PRIO_IPV4_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))) {
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(
"ipv4"
, "tcpconnaborts"
, NULL
, "tcp"
, NULL
, "TCP Connection Aborts"
, "connections/s"
, "proc"
, "net/netstat"
, NETDATA_CHART_PRIO_IPV4_TCP + 10
, 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))) {
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(
"ipv4"
, "tcpreorders"
, NULL
, "tcp"
, NULL
, "TCP Reordered Packets by Detection Method"
, "packets/s"
, "proc"
, "net/netstat"
, NETDATA_CHART_PRIO_IPV4_TCP + 20
, 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))) {
do_tcpext_ofo = CONFIG_BOOLEAN_YES;
static RRDSET *st_ipv4_tcpofo = NULL;
static RRDDIM *rd_inqueue = NULL, *rd_dropped = NULL, *rd_merged = NULL, *rd_pruned = NULL;
if(unlikely(!st_ipv4_tcpofo)) {
st_ipv4_tcpofo = rrdset_create_localhost(
"ipv4"
, "tcpofo"
, NULL
, "tcp"
, NULL
, "TCP Out-Of-Order Queue"
, "packets/s"
, "proc"
, "net/netstat"
, NETDATA_CHART_PRIO_IPV4_TCP + 50
, update_every
, RRDSET_TYPE_LINE
);
rd_inqueue = rrddim_add(st_ipv4_tcpofo, "TCPOFOQueue", "inqueue", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_dropped = rrddim_add(st_ipv4_tcpofo, "TCPOFODrop", "dropped", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_merged = rrddim_add(st_ipv4_tcpofo, "TCPOFOMerge", "merged", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_pruned = rrddim_add(st_ipv4_tcpofo, "OfoPruned", "pruned", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_ipv4_tcpofo);
rrddim_set_by_pointer(st_ipv4_tcpofo, rd_inqueue, tcpext_TCPOFOQueue);
rrddim_set_by_pointer(st_ipv4_tcpofo, rd_dropped, tcpext_TCPOFODrop);
rrddim_set_by_pointer(st_ipv4_tcpofo, rd_merged, tcpext_TCPOFOMerge);
rrddim_set_by_pointer(st_ipv4_tcpofo, rd_pruned, tcpext_OfoPruned);
rrdset_done(st_ipv4_tcpofo);
}
// --------------------------------------------------------------------
if(do_tcpext_syscookies == CONFIG_BOOLEAN_YES || (do_tcpext_syscookies == CONFIG_BOOLEAN_AUTO && (tcpext_SyncookiesSent || tcpext_SyncookiesRecv || tcpext_SyncookiesFailed))) {
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(
"ipv4"
, "tcpsyncookies"
, NULL
, "tcp"
, NULL
, "TCP SYN Cookies"
, "packets/s"
, "proc"
, "net/netstat"
, NETDATA_CHART_PRIO_IPV4_TCP + 60
, 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_listen == CONFIG_BOOLEAN_YES || (do_tcpext_listen == CONFIG_BOOLEAN_AUTO && (tcpext_ListenOverflows || tcpext_ListenDrops))) {
do_tcpext_listen = CONFIG_BOOLEAN_YES;
static RRDSET *st_listen = NULL;
static RRDDIM *rd_overflows = NULL, *rd_drops = NULL;
if(unlikely(!st_listen)) {
st_listen = rrdset_create_localhost(
"ipv4"
, "tcplistenissues"
, NULL
, "tcp"
, NULL
, "TCP Listen Socket Issues"
, "packets/s"
, "proc"
, "net/netstat"
, NETDATA_CHART_PRIO_IPV4_TCP + 15
, update_every
, RRDSET_TYPE_LINE
);
rd_overflows = rrddim_add(st_listen, "ListenOverflows", "overflows", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_drops = rrddim_add(st_listen, "ListenDrops", "drops", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_listen);
rrddim_set_by_pointer(st_listen, rd_overflows, tcpext_ListenOverflows);
rrddim_set_by_pointer(st_listen, rd_drops, tcpext_ListenDrops);
rrdset_done(st_listen);
}
}
}
return 0;
}
