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proc_net_snmp.c
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proc_net_snmp.c
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// SPDX-License-Identifier: GPL-3.0-or-later
#include "plugin_proc.h"
#define PLUGIN_PROC_MODULE_NET_SNMP_NAME "/proc/net/snmp"
#define RRD_TYPE_NET_SNMP "ipv4"
static struct proc_net_snmp {
// kernel_uint_t ip_Forwarding;
kernel_uint_t ip_DefaultTTL;
kernel_uint_t ip_InReceives;
kernel_uint_t ip_InHdrErrors;
kernel_uint_t ip_InAddrErrors;
kernel_uint_t ip_ForwDatagrams;
kernel_uint_t ip_InUnknownProtos;
kernel_uint_t ip_InDiscards;
kernel_uint_t ip_InDelivers;
kernel_uint_t ip_OutRequests;
kernel_uint_t ip_OutDiscards;
kernel_uint_t ip_OutNoRoutes;
kernel_uint_t ip_ReasmTimeout;
kernel_uint_t ip_ReasmReqds;
kernel_uint_t ip_ReasmOKs;
kernel_uint_t ip_ReasmFails;
kernel_uint_t ip_FragOKs;
kernel_uint_t ip_FragFails;
kernel_uint_t ip_FragCreates;
kernel_uint_t icmp_InMsgs;
kernel_uint_t icmp_OutMsgs;
kernel_uint_t icmp_InErrors;
kernel_uint_t icmp_OutErrors;
kernel_uint_t icmp_InCsumErrors;
kernel_uint_t icmpmsg_InEchoReps;
kernel_uint_t icmpmsg_OutEchoReps;
kernel_uint_t icmpmsg_InDestUnreachs;
kernel_uint_t icmpmsg_OutDestUnreachs;
kernel_uint_t icmpmsg_InRedirects;
kernel_uint_t icmpmsg_OutRedirects;
kernel_uint_t icmpmsg_InEchos;
kernel_uint_t icmpmsg_OutEchos;
kernel_uint_t icmpmsg_InRouterAdvert;
kernel_uint_t icmpmsg_OutRouterAdvert;
kernel_uint_t icmpmsg_InRouterSelect;
kernel_uint_t icmpmsg_OutRouterSelect;
kernel_uint_t icmpmsg_InTimeExcds;
kernel_uint_t icmpmsg_OutTimeExcds;
kernel_uint_t icmpmsg_InParmProbs;
kernel_uint_t icmpmsg_OutParmProbs;
kernel_uint_t icmpmsg_InTimestamps;
kernel_uint_t icmpmsg_OutTimestamps;
kernel_uint_t icmpmsg_InTimestampReps;
kernel_uint_t icmpmsg_OutTimestampReps;
//kernel_uint_t tcp_RtoAlgorithm;
//kernel_uint_t tcp_RtoMin;
//kernel_uint_t tcp_RtoMax;
ssize_t tcp_MaxConn;
kernel_uint_t tcp_ActiveOpens;
kernel_uint_t tcp_PassiveOpens;
kernel_uint_t tcp_AttemptFails;
kernel_uint_t tcp_EstabResets;
kernel_uint_t tcp_CurrEstab;
kernel_uint_t tcp_InSegs;
kernel_uint_t tcp_OutSegs;
kernel_uint_t tcp_RetransSegs;
kernel_uint_t tcp_InErrs;
kernel_uint_t tcp_OutRsts;
kernel_uint_t tcp_InCsumErrors;
kernel_uint_t udp_InDatagrams;
kernel_uint_t udp_NoPorts;
kernel_uint_t udp_InErrors;
kernel_uint_t udp_OutDatagrams;
kernel_uint_t udp_RcvbufErrors;
kernel_uint_t udp_SndbufErrors;
kernel_uint_t udp_InCsumErrors;
kernel_uint_t udp_IgnoredMulti;
kernel_uint_t udplite_InDatagrams;
kernel_uint_t udplite_NoPorts;
kernel_uint_t udplite_InErrors;
kernel_uint_t udplite_OutDatagrams;
kernel_uint_t udplite_RcvbufErrors;
kernel_uint_t udplite_SndbufErrors;
kernel_uint_t udplite_InCsumErrors;
kernel_uint_t udplite_IgnoredMulti;
} snmp_root = { 0 };
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_tcp_opens = -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 ARL_BASE *arl_ip = NULL,
*arl_icmp = NULL,
*arl_icmpmsg = NULL,
*arl_tcp = NULL,
*arl_udp = NULL,
*arl_udplite = NULL;
static RRDVAR *tcp_max_connections_var = NULL;
if(unlikely(!arl_ip)) {
do_ip_packets = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 packets", CONFIG_BOOLEAN_AUTO);
do_ip_fragsout = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 fragments sent", CONFIG_BOOLEAN_AUTO);
do_ip_fragsin = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 fragments assembly", CONFIG_BOOLEAN_AUTO);
do_ip_errors = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 errors", CONFIG_BOOLEAN_AUTO);
do_tcp_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 TCP connections", CONFIG_BOOLEAN_AUTO);
do_tcp_packets = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 TCP packets", CONFIG_BOOLEAN_AUTO);
do_tcp_errors = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 TCP errors", CONFIG_BOOLEAN_AUTO);
do_tcp_opens = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 TCP opens", CONFIG_BOOLEAN_AUTO);
do_tcp_handshake = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 TCP handshake issues", CONFIG_BOOLEAN_AUTO);
do_udp_packets = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 UDP packets", CONFIG_BOOLEAN_AUTO);
do_udp_errors = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 UDP errors", CONFIG_BOOLEAN_AUTO);
do_icmp_packets = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 ICMP packets", CONFIG_BOOLEAN_AUTO);
do_icmpmsg = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 ICMP messages", CONFIG_BOOLEAN_AUTO);
do_udplite_packets = config_get_boolean_ondemand("plugin:proc:/proc/net/snmp", "ipv4 UDPLite packets", CONFIG_BOOLEAN_AUTO);
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");
arl_ip = arl_create("snmp/Ip", arl_callback_str2kernel_uint_t, 60);
// arl_expect(arl_ip, "Forwarding", &snmp_root.ip_Forwarding);
arl_expect(arl_ip, "DefaultTTL", &snmp_root.ip_DefaultTTL);
arl_expect(arl_ip, "InReceives", &snmp_root.ip_InReceives);
arl_expect(arl_ip, "InHdrErrors", &snmp_root.ip_InHdrErrors);
arl_expect(arl_ip, "InAddrErrors", &snmp_root.ip_InAddrErrors);
arl_expect(arl_ip, "ForwDatagrams", &snmp_root.ip_ForwDatagrams);
arl_expect(arl_ip, "InUnknownProtos", &snmp_root.ip_InUnknownProtos);
arl_expect(arl_ip, "InDiscards", &snmp_root.ip_InDiscards);
arl_expect(arl_ip, "InDelivers", &snmp_root.ip_InDelivers);
arl_expect(arl_ip, "OutRequests", &snmp_root.ip_OutRequests);
arl_expect(arl_ip, "OutDiscards", &snmp_root.ip_OutDiscards);
arl_expect(arl_ip, "OutNoRoutes", &snmp_root.ip_OutNoRoutes);
arl_expect(arl_ip, "ReasmTimeout", &snmp_root.ip_ReasmTimeout);
arl_expect(arl_ip, "ReasmReqds", &snmp_root.ip_ReasmReqds);
arl_expect(arl_ip, "ReasmOKs", &snmp_root.ip_ReasmOKs);
arl_expect(arl_ip, "ReasmFails", &snmp_root.ip_ReasmFails);
arl_expect(arl_ip, "FragOKs", &snmp_root.ip_FragOKs);
arl_expect(arl_ip, "FragFails", &snmp_root.ip_FragFails);
arl_expect(arl_ip, "FragCreates", &snmp_root.ip_FragCreates);
arl_icmp = arl_create("snmp/Icmp", arl_callback_str2kernel_uint_t, 60);
arl_expect(arl_icmp, "InMsgs", &snmp_root.icmp_InMsgs);
arl_expect(arl_icmp, "OutMsgs", &snmp_root.icmp_OutMsgs);
arl_expect(arl_icmp, "InErrors", &snmp_root.icmp_InErrors);
arl_expect(arl_icmp, "OutErrors", &snmp_root.icmp_OutErrors);
arl_expect(arl_icmp, "InCsumErrors", &snmp_root.icmp_InCsumErrors);
arl_icmpmsg = arl_create("snmp/Icmpmsg", arl_callback_str2kernel_uint_t, 60);
arl_expect(arl_icmpmsg, "InType0", &snmp_root.icmpmsg_InEchoReps);
arl_expect(arl_icmpmsg, "OutType0", &snmp_root.icmpmsg_OutEchoReps);
arl_expect(arl_icmpmsg, "InType3", &snmp_root.icmpmsg_InDestUnreachs);
arl_expect(arl_icmpmsg, "OutType3", &snmp_root.icmpmsg_OutDestUnreachs);
arl_expect(arl_icmpmsg, "InType5", &snmp_root.icmpmsg_InRedirects);
arl_expect(arl_icmpmsg, "OutType5", &snmp_root.icmpmsg_OutRedirects);
arl_expect(arl_icmpmsg, "InType8", &snmp_root.icmpmsg_InEchos);
arl_expect(arl_icmpmsg, "OutType8", &snmp_root.icmpmsg_OutEchos);
arl_expect(arl_icmpmsg, "InType9", &snmp_root.icmpmsg_InRouterAdvert);
arl_expect(arl_icmpmsg, "OutType9", &snmp_root.icmpmsg_OutRouterAdvert);
arl_expect(arl_icmpmsg, "InType10", &snmp_root.icmpmsg_InRouterSelect);
arl_expect(arl_icmpmsg, "OutType10", &snmp_root.icmpmsg_OutRouterSelect);
arl_expect(arl_icmpmsg, "InType11", &snmp_root.icmpmsg_InTimeExcds);
arl_expect(arl_icmpmsg, "OutType11", &snmp_root.icmpmsg_OutTimeExcds);
arl_expect(arl_icmpmsg, "InType12", &snmp_root.icmpmsg_InParmProbs);
arl_expect(arl_icmpmsg, "OutType12", &snmp_root.icmpmsg_OutParmProbs);
arl_expect(arl_icmpmsg, "InType13", &snmp_root.icmpmsg_InTimestamps);
arl_expect(arl_icmpmsg, "OutType13", &snmp_root.icmpmsg_OutTimestamps);
arl_expect(arl_icmpmsg, "InType14", &snmp_root.icmpmsg_InTimestampReps);
arl_expect(arl_icmpmsg, "OutType14", &snmp_root.icmpmsg_OutTimestampReps);
arl_tcp = arl_create("snmp/Tcp", arl_callback_str2kernel_uint_t, 60);
// arl_expect(arl_tcp, "RtoAlgorithm", &snmp_root.tcp_RtoAlgorithm);
// arl_expect(arl_tcp, "RtoMin", &snmp_root.tcp_RtoMin);
// arl_expect(arl_tcp, "RtoMax", &snmp_root.tcp_RtoMax);
arl_expect_custom(arl_tcp, "MaxConn", arl_callback_ssize_t, &snmp_root.tcp_MaxConn);
arl_expect(arl_tcp, "ActiveOpens", &snmp_root.tcp_ActiveOpens);
arl_expect(arl_tcp, "PassiveOpens", &snmp_root.tcp_PassiveOpens);
arl_expect(arl_tcp, "AttemptFails", &snmp_root.tcp_AttemptFails);
arl_expect(arl_tcp, "EstabResets", &snmp_root.tcp_EstabResets);
arl_expect(arl_tcp, "CurrEstab", &snmp_root.tcp_CurrEstab);
arl_expect(arl_tcp, "InSegs", &snmp_root.tcp_InSegs);
arl_expect(arl_tcp, "OutSegs", &snmp_root.tcp_OutSegs);
arl_expect(arl_tcp, "RetransSegs", &snmp_root.tcp_RetransSegs);
arl_expect(arl_tcp, "InErrs", &snmp_root.tcp_InErrs);
arl_expect(arl_tcp, "OutRsts", &snmp_root.tcp_OutRsts);
arl_expect(arl_tcp, "InCsumErrors", &snmp_root.tcp_InCsumErrors);
arl_udp = arl_create("snmp/Udp", arl_callback_str2kernel_uint_t, 60);
arl_expect(arl_udp, "InDatagrams", &snmp_root.udp_InDatagrams);
arl_expect(arl_udp, "NoPorts", &snmp_root.udp_NoPorts);
arl_expect(arl_udp, "InErrors", &snmp_root.udp_InErrors);
arl_expect(arl_udp, "OutDatagrams", &snmp_root.udp_OutDatagrams);
arl_expect(arl_udp, "RcvbufErrors", &snmp_root.udp_RcvbufErrors);
arl_expect(arl_udp, "SndbufErrors", &snmp_root.udp_SndbufErrors);
arl_expect(arl_udp, "InCsumErrors", &snmp_root.udp_InCsumErrors);
arl_expect(arl_udp, "IgnoredMulti", &snmp_root.udp_IgnoredMulti);
arl_udplite = arl_create("snmp/Udplite", arl_callback_str2kernel_uint_t, 60);
arl_expect(arl_udplite, "InDatagrams", &snmp_root.udplite_InDatagrams);
arl_expect(arl_udplite, "NoPorts", &snmp_root.udplite_NoPorts);
arl_expect(arl_udplite, "InErrors", &snmp_root.udplite_InErrors);
arl_expect(arl_udplite, "OutDatagrams", &snmp_root.udplite_OutDatagrams);
arl_expect(arl_udplite, "RcvbufErrors", &snmp_root.udplite_RcvbufErrors);
arl_expect(arl_udplite, "SndbufErrors", &snmp_root.udplite_SndbufErrors);
arl_expect(arl_udplite, "InCsumErrors", &snmp_root.udplite_InCsumErrors);
arl_expect(arl_udplite, "IgnoredMulti", &snmp_root.udplite_IgnoredMulti);
tcp_max_connections_var = rrdvar_custom_host_variable_create(localhost, "tcp_max_connections");
}
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, w;
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;
}
arl_begin(arl_ip);
for(w = 1; w < words ; w++) {
if (unlikely(arl_check(arl_ip, procfile_lineword(ff, h, w), procfile_lineword(ff, l, w)) != 0))
break;
}
// --------------------------------------------------------------------
if(do_ip_packets == CONFIG_BOOLEAN_YES || (do_ip_packets == CONFIG_BOOLEAN_AUTO &&
(snmp_root.ip_OutRequests ||
snmp_root.ip_InReceives ||
snmp_root.ip_ForwDatagrams ||
snmp_root.ip_InDelivers ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_ip_packets = CONFIG_BOOLEAN_YES;
static RRDSET *st = NULL;
static RRDDIM *rd_InReceives = NULL,
*rd_OutRequests = NULL,
*rd_ForwDatagrams = NULL,
*rd_InDelivers = NULL;
if(unlikely(!st)) {
st = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "packets"
, NULL
, "packets"
, NULL
, "IPv4 Packets"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_PACKETS
, update_every
, RRDSET_TYPE_LINE
);
rd_InReceives = rrddim_add(st, "InReceives", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutRequests = rrddim_add(st, "OutRequests", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_ForwDatagrams = rrddim_add(st, "ForwDatagrams", "forwarded", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InDelivers = rrddim_add(st, "InDelivers", "delivered", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_OutRequests, (collected_number)snmp_root.ip_OutRequests);
rrddim_set_by_pointer(st, rd_InReceives, (collected_number)snmp_root.ip_InReceives);
rrddim_set_by_pointer(st, rd_ForwDatagrams, (collected_number)snmp_root.ip_ForwDatagrams);
rrddim_set_by_pointer(st, rd_InDelivers, (collected_number)snmp_root.ip_InDelivers);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_ip_fragsout == CONFIG_BOOLEAN_YES || (do_ip_fragsout == CONFIG_BOOLEAN_AUTO &&
(snmp_root.ip_FragOKs ||
snmp_root.ip_FragFails ||
snmp_root.ip_FragCreates ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_ip_fragsout = CONFIG_BOOLEAN_YES;
static RRDSET *st = NULL;
static RRDDIM *rd_FragOKs = NULL,
*rd_FragFails = NULL,
*rd_FragCreates = NULL;
if(unlikely(!st)) {
st = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "fragsout"
, NULL
, "fragments"
, NULL
, "IPv4 Fragments Sent"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_FRAGMENTS
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
rd_FragOKs = rrddim_add(st, "FragOKs", "ok", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_FragFails = rrddim_add(st, "FragFails", "failed", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_FragCreates = rrddim_add(st, "FragCreates", "created", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_FragOKs, (collected_number)snmp_root.ip_FragOKs);
rrddim_set_by_pointer(st, rd_FragFails, (collected_number)snmp_root.ip_FragFails);
rrddim_set_by_pointer(st, rd_FragCreates, (collected_number)snmp_root.ip_FragCreates);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_ip_fragsin == CONFIG_BOOLEAN_YES || (do_ip_fragsin == CONFIG_BOOLEAN_AUTO &&
(snmp_root.ip_ReasmOKs ||
snmp_root.ip_ReasmFails ||
snmp_root.ip_ReasmReqds ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_ip_fragsin = CONFIG_BOOLEAN_YES;
static RRDSET *st = NULL;
static RRDDIM *rd_ReasmOKs = NULL,
*rd_ReasmFails = NULL,
*rd_ReasmReqds = NULL;
if(unlikely(!st)) {
st = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "fragsin"
, NULL
, "fragments"
, NULL
, "IPv4 Fragments Reassembly"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_FRAGMENTS + 1
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
rd_ReasmOKs = rrddim_add(st, "ReasmOKs", "ok", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_ReasmFails = rrddim_add(st, "ReasmFails", "failed", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_ReasmReqds = rrddim_add(st, "ReasmReqds", "all", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_ReasmOKs, (collected_number)snmp_root.ip_ReasmOKs);
rrddim_set_by_pointer(st, rd_ReasmFails, (collected_number)snmp_root.ip_ReasmFails);
rrddim_set_by_pointer(st, rd_ReasmReqds, (collected_number)snmp_root.ip_ReasmReqds);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_ip_errors == CONFIG_BOOLEAN_YES || (do_ip_errors == CONFIG_BOOLEAN_AUTO &&
(snmp_root.ip_InDiscards ||
snmp_root.ip_OutDiscards ||
snmp_root.ip_InHdrErrors ||
snmp_root.ip_InAddrErrors ||
snmp_root.ip_InUnknownProtos ||
snmp_root.ip_OutNoRoutes ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_ip_errors = CONFIG_BOOLEAN_YES;
static RRDSET *st = NULL;
static RRDDIM *rd_InDiscards = NULL,
*rd_OutDiscards = NULL,
*rd_InHdrErrors = NULL,
*rd_OutNoRoutes = NULL,
*rd_InAddrErrors = NULL,
*rd_InUnknownProtos = NULL;
if(unlikely(!st)) {
st = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "errors"
, NULL
, "errors"
, NULL
, "IPv4 Errors"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_ERRORS
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
rd_InDiscards = rrddim_add(st, "InDiscards", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutDiscards = rrddim_add(st, "OutDiscards", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InHdrErrors = rrddim_add(st, "InHdrErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutNoRoutes = rrddim_add(st, "OutNoRoutes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InAddrErrors = rrddim_add(st, "InAddrErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InUnknownProtos = rrddim_add(st, "InUnknownProtos", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_InDiscards, (collected_number)snmp_root.ip_InDiscards);
rrddim_set_by_pointer(st, rd_OutDiscards, (collected_number)snmp_root.ip_OutDiscards);
rrddim_set_by_pointer(st, rd_InHdrErrors, (collected_number)snmp_root.ip_InHdrErrors);
rrddim_set_by_pointer(st, rd_InAddrErrors, (collected_number)snmp_root.ip_InAddrErrors);
rrddim_set_by_pointer(st, rd_InUnknownProtos, (collected_number)snmp_root.ip_InUnknownProtos);
rrddim_set_by_pointer(st, rd_OutNoRoutes, (collected_number)snmp_root.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;
}
arl_begin(arl_icmp);
for(w = 1; w < words ; w++) {
if (unlikely(arl_check(arl_icmp, procfile_lineword(ff, h, w), procfile_lineword(ff, l, w)) != 0))
break;
}
// --------------------------------------------------------------------
if(do_icmp_packets == CONFIG_BOOLEAN_YES || (do_icmp_packets == CONFIG_BOOLEAN_AUTO &&
(snmp_root.icmp_InMsgs ||
snmp_root.icmp_OutMsgs ||
snmp_root.icmp_InErrors ||
snmp_root.icmp_OutErrors ||
snmp_root.icmp_InCsumErrors ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_icmp_packets = CONFIG_BOOLEAN_YES;
{
static RRDSET *st_packets = NULL;
static RRDDIM *rd_InMsgs = NULL,
*rd_OutMsgs = NULL;
if(unlikely(!st_packets)) {
st_packets = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "icmp"
, NULL
, "icmp"
, NULL
, "IPv4 ICMP Packets"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_ICMP
, update_every
, RRDSET_TYPE_LINE
);
rd_InMsgs = rrddim_add(st_packets, "InMsgs", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutMsgs = rrddim_add(st_packets, "OutMsgs", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st_packets);
rrddim_set_by_pointer(st_packets, rd_InMsgs, (collected_number)snmp_root.icmp_InMsgs);
rrddim_set_by_pointer(st_packets, rd_OutMsgs, (collected_number)snmp_root.icmp_OutMsgs);
rrdset_done(st_packets);
}
{
static RRDSET *st_errors = NULL;
static RRDDIM *rd_InErrors = NULL,
*rd_OutErrors = NULL,
*rd_InCsumErrors = NULL;
if(unlikely(!st_errors)) {
st_errors = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "icmp_errors"
, NULL
, "icmp"
, NULL
, "IPv4 ICMP Errors"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_ICMP + 1
, update_every
, RRDSET_TYPE_LINE
);
rd_InErrors = rrddim_add(st_errors, "InErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutErrors = rrddim_add(st_errors, "OutErrors", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InCsumErrors = rrddim_add(st_errors, "InCsumErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st_errors);
rrddim_set_by_pointer(st_errors, rd_InErrors, (collected_number)snmp_root.icmp_InErrors);
rrddim_set_by_pointer(st_errors, rd_OutErrors, (collected_number)snmp_root.icmp_OutErrors);
rrddim_set_by_pointer(st_errors, rd_InCsumErrors, (collected_number)snmp_root.icmp_InCsumErrors);
rrdset_done(st_errors);
}
}
}
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;
}
words = procfile_linewords(ff, l);
if(words < 2) {
error("Cannot read /proc/net/snmp IcmpMsg line. Expected 2+ params, read %zu.", words);
continue;
}
arl_begin(arl_icmpmsg);
for(w = 1; w < words ; w++) {
if (unlikely(arl_check(arl_icmpmsg, procfile_lineword(ff, h, w), procfile_lineword(ff, l, w)) != 0))
break;
}
// --------------------------------------------------------------------
if(do_icmpmsg == CONFIG_BOOLEAN_YES || (do_icmpmsg == CONFIG_BOOLEAN_AUTO &&
(snmp_root.icmpmsg_InEchoReps ||
snmp_root.icmpmsg_OutEchoReps ||
snmp_root.icmpmsg_InDestUnreachs ||
snmp_root.icmpmsg_OutDestUnreachs ||
snmp_root.icmpmsg_InRedirects ||
snmp_root.icmpmsg_OutRedirects ||
snmp_root.icmpmsg_InEchos ||
snmp_root.icmpmsg_OutEchos ||
snmp_root.icmpmsg_InRouterAdvert ||
snmp_root.icmpmsg_OutRouterAdvert ||
snmp_root.icmpmsg_InRouterSelect ||
snmp_root.icmpmsg_OutRouterSelect ||
snmp_root.icmpmsg_InTimeExcds ||
snmp_root.icmpmsg_OutTimeExcds ||
snmp_root.icmpmsg_InParmProbs ||
snmp_root.icmpmsg_OutParmProbs ||
snmp_root.icmpmsg_InTimestamps ||
snmp_root.icmpmsg_OutTimestamps ||
snmp_root.icmpmsg_InTimestampReps ||
snmp_root.icmpmsg_OutTimestampReps ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_icmpmsg = CONFIG_BOOLEAN_YES;
static RRDSET *st = NULL;
static RRDDIM *rd_InEchoReps = NULL,
*rd_OutEchoReps = NULL,
*rd_InDestUnreachs = NULL,
*rd_OutDestUnreachs = NULL,
*rd_InRedirects = NULL,
*rd_OutRedirects = NULL,
*rd_InEchos = NULL,
*rd_OutEchos = NULL,
*rd_InRouterAdvert = NULL,
*rd_OutRouterAdvert = NULL,
*rd_InRouterSelect = NULL,
*rd_OutRouterSelect = NULL,
*rd_InTimeExcds = NULL,
*rd_OutTimeExcds = NULL,
*rd_InParmProbs = NULL,
*rd_OutParmProbs = NULL,
*rd_InTimestamps = NULL,
*rd_OutTimestamps = NULL,
*rd_InTimestampReps = NULL,
*rd_OutTimestampReps = NULL;
if(unlikely(!st)) {
st = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "icmpmsg"
, NULL
, "icmp"
, NULL
, "IPv4 ICMP Messages"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_ICMP + 2
, update_every
, RRDSET_TYPE_LINE
);
rd_InEchoReps = rrddim_add(st, "InType0", "InEchoReps", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutEchoReps = rrddim_add(st, "OutType0", "OutEchoReps", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InDestUnreachs = rrddim_add(st, "InType3", "InDestUnreachs", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutDestUnreachs = rrddim_add(st, "OutType3", "OutDestUnreachs", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InRedirects = rrddim_add(st, "InType5", "InRedirects", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutRedirects = rrddim_add(st, "OutType5", "OutRedirects", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InEchos = rrddim_add(st, "InType8", "InEchos", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutEchos = rrddim_add(st, "OutType8", "OutEchos", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InRouterAdvert = rrddim_add(st, "InType9", "InRouterAdvert", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutRouterAdvert = rrddim_add(st, "OutType9", "OutRouterAdvert", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InRouterSelect = rrddim_add(st, "InType10", "InRouterSelect", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutRouterSelect = rrddim_add(st, "OutType10", "OutRouterSelect", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InTimeExcds = rrddim_add(st, "InType11", "InTimeExcds", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutTimeExcds = rrddim_add(st, "OutType11", "OutTimeExcds", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InParmProbs = rrddim_add(st, "InType12", "InParmProbs", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutParmProbs = rrddim_add(st, "OutType12", "OutParmProbs", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InTimestamps = rrddim_add(st, "InType13", "InTimestamps", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutTimestamps = rrddim_add(st, "OutType13", "OutTimestamps", -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InTimestampReps = rrddim_add(st, "InType14", "InTimestampReps", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutTimestampReps = rrddim_add(st, "OutType14", "OutTimestampReps", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_InEchoReps, (collected_number)snmp_root.icmpmsg_InEchoReps);
rrddim_set_by_pointer(st, rd_OutEchoReps, (collected_number)snmp_root.icmpmsg_OutEchoReps);
rrddim_set_by_pointer(st, rd_InDestUnreachs, (collected_number)snmp_root.icmpmsg_InDestUnreachs);
rrddim_set_by_pointer(st, rd_OutDestUnreachs, (collected_number)snmp_root.icmpmsg_OutDestUnreachs);
rrddim_set_by_pointer(st, rd_InRedirects, (collected_number)snmp_root.icmpmsg_InRedirects);
rrddim_set_by_pointer(st, rd_OutRedirects, (collected_number)snmp_root.icmpmsg_OutRedirects);
rrddim_set_by_pointer(st, rd_InEchos, (collected_number)snmp_root.icmpmsg_InEchos);
rrddim_set_by_pointer(st, rd_OutEchos, (collected_number)snmp_root.icmpmsg_OutEchos);
rrddim_set_by_pointer(st, rd_InRouterAdvert, (collected_number)snmp_root.icmpmsg_InRouterAdvert);
rrddim_set_by_pointer(st, rd_OutRouterAdvert, (collected_number)snmp_root.icmpmsg_OutRouterAdvert);
rrddim_set_by_pointer(st, rd_InRouterSelect, (collected_number)snmp_root.icmpmsg_InRouterSelect);
rrddim_set_by_pointer(st, rd_OutRouterSelect, (collected_number)snmp_root.icmpmsg_OutRouterSelect);
rrddim_set_by_pointer(st, rd_InTimeExcds, (collected_number)snmp_root.icmpmsg_InTimeExcds);
rrddim_set_by_pointer(st, rd_OutTimeExcds, (collected_number)snmp_root.icmpmsg_OutTimeExcds);
rrddim_set_by_pointer(st, rd_InParmProbs, (collected_number)snmp_root.icmpmsg_InParmProbs);
rrddim_set_by_pointer(st, rd_OutParmProbs, (collected_number)snmp_root.icmpmsg_OutParmProbs);
rrddim_set_by_pointer(st, rd_InTimestamps, (collected_number)snmp_root.icmpmsg_InTimestamps);
rrddim_set_by_pointer(st, rd_OutTimestamps, (collected_number)snmp_root.icmpmsg_OutTimestamps);
rrddim_set_by_pointer(st, rd_InTimestampReps, (collected_number)snmp_root.icmpmsg_InTimestampReps);
rrddim_set_by_pointer(st, rd_OutTimestampReps, (collected_number)snmp_root.icmpmsg_OutTimestampReps);
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;
}
arl_begin(arl_tcp);
for(w = 1; w < words ; w++) {
if (unlikely(arl_check(arl_tcp, procfile_lineword(ff, h, w), procfile_lineword(ff, l, w)) != 0))
break;
}
// --------------------------------------------------------------------
// this is smart enough to update it, only when it is changed
rrdvar_custom_host_variable_set(localhost, tcp_max_connections_var, snmp_root.tcp_MaxConn);
// --------------------------------------------------------------------
// see http://net-snmp.sourceforge.net/docs/mibs/tcp.html
if(do_tcp_sockets == CONFIG_BOOLEAN_YES || (do_tcp_sockets == CONFIG_BOOLEAN_AUTO &&
(snmp_root.tcp_CurrEstab ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_tcp_sockets = CONFIG_BOOLEAN_YES;
static RRDSET *st = NULL;
static RRDDIM *rd_CurrEstab = NULL;
if(unlikely(!st)) {
st = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "tcpsock"
, NULL
, "tcp"
, NULL
, "IPv4 TCP Connections"
, "active connections"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_TCP
, update_every
, RRDSET_TYPE_LINE
);
rd_CurrEstab = rrddim_add(st, "CurrEstab", "connections", 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_CurrEstab, (collected_number)snmp_root.tcp_CurrEstab);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcp_packets == CONFIG_BOOLEAN_YES || (do_tcp_packets == CONFIG_BOOLEAN_AUTO &&
(snmp_root.tcp_InSegs ||
snmp_root.tcp_OutSegs ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_tcp_packets = CONFIG_BOOLEAN_YES;
static RRDSET *st = NULL;
static RRDDIM *rd_InSegs = NULL,
*rd_OutSegs = NULL;
if(unlikely(!st)) {
st = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "tcppackets"
, NULL
, "tcp"
, NULL
, "IPv4 TCP Packets"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_TCP + 4
, update_every
, RRDSET_TYPE_LINE
);
rd_InSegs = rrddim_add(st, "InSegs", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutSegs = rrddim_add(st, "OutSegs", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_InSegs, (collected_number)snmp_root.tcp_InSegs);
rrddim_set_by_pointer(st, rd_OutSegs, (collected_number)snmp_root.tcp_OutSegs);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcp_errors == CONFIG_BOOLEAN_YES || (do_tcp_errors == CONFIG_BOOLEAN_AUTO &&
(snmp_root.tcp_InErrs ||
snmp_root.tcp_InCsumErrors ||
snmp_root.tcp_RetransSegs ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_tcp_errors = CONFIG_BOOLEAN_YES;
static RRDSET *st = NULL;
static RRDDIM *rd_InErrs = NULL,
*rd_InCsumErrors = NULL,
*rd_RetransSegs = NULL;
if(unlikely(!st)) {
st = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "tcperrors"
, NULL
, "tcp"
, NULL
, "IPv4 TCP Errors"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_TCP + 20
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
rd_InErrs = rrddim_add(st, "InErrs", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_InCsumErrors = rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_RetransSegs = rrddim_add(st, "RetransSegs", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_InErrs, (collected_number)snmp_root.tcp_InErrs);
rrddim_set_by_pointer(st, rd_InCsumErrors, (collected_number)snmp_root.tcp_InCsumErrors);
rrddim_set_by_pointer(st, rd_RetransSegs, (collected_number)snmp_root.tcp_RetransSegs);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcp_opens == CONFIG_BOOLEAN_YES || (do_tcp_opens == CONFIG_BOOLEAN_AUTO &&
(snmp_root.tcp_ActiveOpens ||
snmp_root.tcp_PassiveOpens ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_tcp_opens = CONFIG_BOOLEAN_YES;
static RRDSET *st = NULL;
static RRDDIM *rd_ActiveOpens = NULL,
*rd_PassiveOpens = NULL;
if(unlikely(!st)) {
st = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "tcpopens"
, NULL
, "tcp"
, NULL
, "IPv4 TCP Opens"
, "connections/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_TCP + 5
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
rd_ActiveOpens = rrddim_add(st, "ActiveOpens", "active", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_PassiveOpens = rrddim_add(st, "PassiveOpens", "passive", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_ActiveOpens, (collected_number)snmp_root.tcp_ActiveOpens);
rrddim_set_by_pointer(st, rd_PassiveOpens, (collected_number)snmp_root.tcp_PassiveOpens);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_tcp_handshake == CONFIG_BOOLEAN_YES || (do_tcp_handshake == CONFIG_BOOLEAN_AUTO &&
(snmp_root.tcp_EstabResets ||
snmp_root.tcp_OutRsts ||
snmp_root.tcp_AttemptFails ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_tcp_handshake = CONFIG_BOOLEAN_YES;
static RRDSET *st = NULL;
static RRDDIM *rd_EstabResets = NULL,
*rd_OutRsts = NULL,
*rd_AttemptFails = NULL,
*rd_TCPSynRetrans = NULL;
if(unlikely(!st)) {
st = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "tcphandshake"
, NULL
, "tcp"
, NULL
, "IPv4 TCP Handshake Issues"
, "events/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_TCP + 30
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
rd_EstabResets = rrddim_add(st, "EstabResets", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutRsts = rrddim_add(st, "OutRsts", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_AttemptFails = rrddim_add(st, "AttemptFails", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_TCPSynRetrans = rrddim_add(st, "TCPSynRetrans", "SynRetrans", 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_EstabResets, (collected_number)snmp_root.tcp_EstabResets);
rrddim_set_by_pointer(st, rd_OutRsts, (collected_number)snmp_root.tcp_OutRsts);
rrddim_set_by_pointer(st, rd_AttemptFails, (collected_number)snmp_root.tcp_AttemptFails);
rrddim_set_by_pointer(st, rd_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;
}
arl_begin(arl_udp);
for(w = 1; w < words ; w++) {
if (unlikely(arl_check(arl_udp, procfile_lineword(ff, h, w), procfile_lineword(ff, l, w)) != 0))
break;
}
// --------------------------------------------------------------------
// see http://net-snmp.sourceforge.net/docs/mibs/udp.html
if(do_udp_packets == CONFIG_BOOLEAN_YES || (do_udp_packets == CONFIG_BOOLEAN_AUTO &&
(snmp_root.udp_InDatagrams ||
snmp_root.udp_OutDatagrams ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_udp_packets = CONFIG_BOOLEAN_YES;
static RRDSET *st = NULL;
static RRDDIM *rd_InDatagrams = NULL,
*rd_OutDatagrams = NULL;
if(unlikely(!st)) {
st = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "udppackets"
, NULL
, "udp"
, NULL
, "IPv4 UDP Packets"
, "packets/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_UDP
, update_every
, RRDSET_TYPE_LINE
);
rd_InDatagrams = rrddim_add(st, "InDatagrams", "received", 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_OutDatagrams = rrddim_add(st, "OutDatagrams", "sent", -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else rrdset_next(st);
rrddim_set_by_pointer(st, rd_InDatagrams, (collected_number)snmp_root.udp_InDatagrams);
rrddim_set_by_pointer(st, rd_OutDatagrams, (collected_number)snmp_root.udp_OutDatagrams);
rrdset_done(st);
}
// --------------------------------------------------------------------
if(do_udp_errors == CONFIG_BOOLEAN_YES || (do_udp_errors == CONFIG_BOOLEAN_AUTO &&
(snmp_root.udp_InErrors ||
snmp_root.udp_NoPorts ||
snmp_root.udp_RcvbufErrors ||
snmp_root.udp_SndbufErrors ||
snmp_root.udp_InCsumErrors ||
snmp_root.udp_IgnoredMulti ||
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
do_udp_errors = CONFIG_BOOLEAN_YES;
static RRDSET *st = NULL;
static RRDDIM *rd_RcvbufErrors = NULL,
*rd_SndbufErrors = NULL,
*rd_InErrors = NULL,
*rd_NoPorts = NULL,
*rd_InCsumErrors = NULL,
*rd_IgnoredMulti = NULL;
if(unlikely(!st)) {
st = rrdset_create_localhost(
RRD_TYPE_NET_SNMP
, "udperrors"
, NULL
, "udp"
, NULL
, "IPv4 UDP Errors"
, "events/s"
, PLUGIN_PROC_NAME
, PLUGIN_PROC_MODULE_NET_SNMP_NAME
, NETDATA_CHART_PRIO_IPV4_UDP + 10
, update_every
, RRDSET_TYPE_LINE
);
rrdset_flag_set(st, RRDSET_FLAG_DETAIL);
rd_RcvbufErrors = rrddim_add(st, "RcvbufErrors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);