Imported Upstream version 1.3.0+dfsgupstream/1.3.0+dfsg

1 files changed, 348 insertions, 360 deletions

diff --git a/src/proc_net_snmp.c b/src/proc_net_snmp.c
index e0ac6a26..a773f55f 100644
--- a/src/proc_net_snmp.c
+++ b/src/proc_net_snmp.c
@@ -1,366 +1,354 @@
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
 #include "common.h"
-#include "log.h"
-#include "appconfig.h"
-#include "procfile.h"
-#include "rrd.h"
-#include "plugin_proc.h"
 
-#define RRD_TYPE_NET_SNMP			"ipv4"
-#define RRD_TYPE_NET_SNMP_LEN		strlen(RRD_TYPE_NET_SNMP)
+#define RRD_TYPE_NET_SNMP           "ipv4"
+#define RRD_TYPE_NET_SNMP_LEN       strlen(RRD_TYPE_NET_SNMP)
 
 int do_proc_net_snmp(int update_every, unsigned long long 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;
-
-	if(do_ip_packets == -1)		do_ip_packets 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 packets", 1);
-	if(do_ip_fragsout == -1)	do_ip_fragsout 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 fragments sent", 1);
-	if(do_ip_fragsin == -1)		do_ip_fragsin 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 fragments assembly", 1);
-	if(do_ip_errors == -1)		do_ip_errors 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 errors", 1);
-	if(do_tcp_sockets == -1)	do_tcp_sockets 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP connections", 1);
-	if(do_tcp_packets == -1)	do_tcp_packets 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP packets", 1);
-	if(do_tcp_errors == -1)		do_tcp_errors 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP errors", 1);
-	if(do_tcp_handshake == -1)	do_tcp_handshake 	= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP handshake issues", 1);
-	if(do_udp_packets == -1)	do_udp_packets 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 UDP packets", 1);
-	if(do_udp_errors == -1)		do_udp_errors 		= config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 UDP errors", 1);
-
-	if(dt) {};
-
-	if(!ff) {
-		char filename[FILENAME_MAX + 1];
-		snprintfz(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/snmp");
-		ff = procfile_open(config_get("plugin:proc:/proc/net/snmp", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
-	}
-	if(!ff) return 1;
-
-	ff = procfile_readall(ff);
-	if(!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;
-
-	RRDSET *st;
-
-	for(l = 0; l < lines ;l++) {
-		if(strcmp(procfile_lineword(ff, l, 0), "Ip") == 0) {
-			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 < 20) {
-				error("Cannot read /proc/net/snmp Ip line. Expected 20 params, read %d.", words);
-				continue;
-			}
-
-			// see also http://net-snmp.sourceforge.net/docs/mibs/ip.html
-			unsigned long long Forwarding, DefaultTTL, InReceives, InHdrErrors, InAddrErrors, ForwDatagrams, InUnknownProtos, InDiscards, InDelivers,
-				OutRequests, OutDiscards, OutNoRoutes, ReasmTimeout, ReasmReqds, ReasmOKs, ReasmFails, FragOKs, FragFails, FragCreates;
-
-			Forwarding		= strtoull(procfile_lineword(ff, l, 1), NULL, 10);
-			DefaultTTL		= strtoull(procfile_lineword(ff, l, 2), NULL, 10);
-			InReceives		= strtoull(procfile_lineword(ff, l, 3), NULL, 10);
-			InHdrErrors		= strtoull(procfile_lineword(ff, l, 4), NULL, 10);
-			InAddrErrors	= strtoull(procfile_lineword(ff, l, 5), NULL, 10);
-			ForwDatagrams	= strtoull(procfile_lineword(ff, l, 6), NULL, 10);
-			InUnknownProtos	= strtoull(procfile_lineword(ff, l, 7), NULL, 10);
-			InDiscards		= strtoull(procfile_lineword(ff, l, 8), NULL, 10);
-			InDelivers		= strtoull(procfile_lineword(ff, l, 9), NULL, 10);
-			OutRequests		= strtoull(procfile_lineword(ff, l, 10), NULL, 10);
-			OutDiscards		= strtoull(procfile_lineword(ff, l, 11), NULL, 10);
-			OutNoRoutes		= strtoull(procfile_lineword(ff, l, 12), NULL, 10);
-			ReasmTimeout	= strtoull(procfile_lineword(ff, l, 13), NULL, 10);
-			ReasmReqds		= strtoull(procfile_lineword(ff, l, 14), NULL, 10);
-			ReasmOKs		= strtoull(procfile_lineword(ff, l, 15), NULL, 10);
-			ReasmFails		= strtoull(procfile_lineword(ff, l, 16), NULL, 10);
-			FragOKs			= strtoull(procfile_lineword(ff, l, 17), NULL, 10);
-			FragFails		= strtoull(procfile_lineword(ff, l, 18), NULL, 10);
-			FragCreates		= strtoull(procfile_lineword(ff, l, 19), NULL, 10);
-
-			// these are not counters
-			if(Forwarding) {};		// is forwarding enabled?
-			if(DefaultTTL) {};		// the default ttl on packets
-			if(ReasmTimeout) {};	// Reassembly timeout
-
-			// this counter is not used
-			if(InDelivers) {};		// total number of packets delivered to IP user-protocols
-
-			// --------------------------------------------------------------------
-
-			if(do_ip_packets) {
-				st = rrdset_find(RRD_TYPE_NET_SNMP ".packets");
-				if(!st) {
-					st = rrdset_create(RRD_TYPE_NET_SNMP, "packets", NULL, "packets", NULL, "IPv4 Packets", "packets/s", 3000, update_every, RRDSET_TYPE_LINE);
-
-					rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "forwarded", NULL, 1, 1, RRDDIM_INCREMENTAL);
-				}
-				else rrdset_next(st);
-
-				rrddim_set(st, "sent", OutRequests);
-				rrddim_set(st, "received", InReceives);
-				rrddim_set(st, "forwarded", ForwDatagrams);
-				rrdset_done(st);
-			}
-
-			// --------------------------------------------------------------------
-
-			if(do_ip_fragsout) {
-				st = rrdset_find(RRD_TYPE_NET_SNMP ".fragsout");
-				if(!st) {
-					st = rrdset_create(RRD_TYPE_NET_SNMP, "fragsout", NULL, "fragments", NULL, "IPv4 Fragments Sent", "packets/s", 3010, update_every, RRDSET_TYPE_LINE);
-					st->isdetail = 1;
-
-					rrddim_add(st, "ok", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "failed", NULL, -1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "all", NULL, 1, 1, RRDDIM_INCREMENTAL);
-				}
-				else rrdset_next(st);
-
-				rrddim_set(st, "ok", FragOKs);
-				rrddim_set(st, "failed", FragFails);
-				rrddim_set(st, "all", FragCreates);
-				rrdset_done(st);
-			}
-
-			// --------------------------------------------------------------------
-
-			if(do_ip_fragsin) {
-				st = rrdset_find(RRD_TYPE_NET_SNMP ".fragsin");
-				if(!st) {
-					st = rrdset_create(RRD_TYPE_NET_SNMP, "fragsin", NULL, "fragments", NULL, "IPv4 Fragments Reassembly", "packets/s", 3011, update_every, RRDSET_TYPE_LINE);
-					st->isdetail = 1;
-
-					rrddim_add(st, "ok", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "failed", NULL, -1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "all", NULL, 1, 1, RRDDIM_INCREMENTAL);
-				}
-				else rrdset_next(st);
-
-				rrddim_set(st, "ok", ReasmOKs);
-				rrddim_set(st, "failed", ReasmFails);
-				rrddim_set(st, "all", ReasmReqds);
-				rrdset_done(st);
-			}
-
-			// --------------------------------------------------------------------
-
-			if(do_ip_errors) {
-				st = rrdset_find(RRD_TYPE_NET_SNMP ".errors");
-				if(!st) {
-					st = rrdset_create(RRD_TYPE_NET_SNMP, "errors", NULL, "errors", NULL, "IPv4 Errors", "packets/s", 3002, update_every, RRDSET_TYPE_LINE);
-					st->isdetail = 1;
-
-					rrddim_add(st, "InDiscards", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "OutDiscards", NULL, -1, 1, RRDDIM_INCREMENTAL);
-
-					rrddim_add(st, "InHdrErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "InAddrErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "InUnknownProtos", NULL, 1, 1, RRDDIM_INCREMENTAL);
-
-					rrddim_add(st, "OutNoRoutes", NULL, -1, 1, RRDDIM_INCREMENTAL);
-				}
-				else rrdset_next(st);
-
-				rrddim_set(st, "InDiscards", InDiscards);
-				rrddim_set(st, "OutDiscards", OutDiscards);
-				rrddim_set(st, "InHdrErrors", InHdrErrors);
-				rrddim_set(st, "InAddrErrors", InAddrErrors);
-				rrddim_set(st, "InUnknownProtos", InUnknownProtos);
-				rrddim_set(st, "OutNoRoutes", OutNoRoutes);
-				rrdset_done(st);
-			}
-		}
-		else if(strcmp(procfile_lineword(ff, l, 0), "Tcp") == 0) {
-			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 < 15) {
-				error("Cannot read /proc/net/snmp Tcp line. Expected 15 params, read %d.", words);
-				continue;
-			}
-
-			unsigned long long RtoAlgorithm, RtoMin, RtoMax, MaxConn, ActiveOpens, PassiveOpens, AttemptFails, EstabResets,
-				CurrEstab, InSegs, OutSegs, RetransSegs, InErrs, OutRsts;
-
-			RtoAlgorithm	= strtoull(procfile_lineword(ff, l, 1), NULL, 10);
-			RtoMin			= strtoull(procfile_lineword(ff, l, 2), NULL, 10);
-			RtoMax			= strtoull(procfile_lineword(ff, l, 3), NULL, 10);
-			MaxConn			= strtoull(procfile_lineword(ff, l, 4), NULL, 10);
-			ActiveOpens		= strtoull(procfile_lineword(ff, l, 5), NULL, 10);
-			PassiveOpens	= strtoull(procfile_lineword(ff, l, 6), NULL, 10);
-			AttemptFails	= strtoull(procfile_lineword(ff, l, 7), NULL, 10);
-			EstabResets		= strtoull(procfile_lineword(ff, l, 8), NULL, 10);
-			CurrEstab		= strtoull(procfile_lineword(ff, l, 9), NULL, 10);
-			InSegs			= strtoull(procfile_lineword(ff, l, 10), NULL, 10);
-			OutSegs			= strtoull(procfile_lineword(ff, l, 11), NULL, 10);
-			RetransSegs		= strtoull(procfile_lineword(ff, l, 12), NULL, 10);
-			InErrs			= strtoull(procfile_lineword(ff, l, 13), NULL, 10);
-			OutRsts			= strtoull(procfile_lineword(ff, l, 14), NULL, 10);
-
-			// these are not counters
-			if(RtoAlgorithm) {};
-			if(RtoMin) {};
-			if(RtoMax) {};
-			if(MaxConn) {};
-
-			// --------------------------------------------------------------------
-
-			// see http://net-snmp.sourceforge.net/docs/mibs/tcp.html
-			if(do_tcp_sockets) {
-				st = rrdset_find(RRD_TYPE_NET_SNMP ".tcpsock");
-				if(!st) {
-					st = rrdset_create(RRD_TYPE_NET_SNMP, "tcpsock", NULL, "tcp", NULL, "IPv4 TCP Connections", "active connections", 2500, update_every, RRDSET_TYPE_LINE);
-
-					rrddim_add(st, "connections", NULL, 1, 1, RRDDIM_ABSOLUTE);
-				}
-				else rrdset_next(st);
-
-				rrddim_set(st, "connections", CurrEstab);
-				rrdset_done(st);
-			}
-
-			// --------------------------------------------------------------------
-
-			if(do_tcp_packets) {
-				st = rrdset_find(RRD_TYPE_NET_SNMP ".tcppackets");
-				if(!st) {
-					st = rrdset_create(RRD_TYPE_NET_SNMP, "tcppackets", NULL, "tcp", NULL, "IPv4 TCP Packets", "packets/s", 2600, update_every, RRDSET_TYPE_LINE);
-
-					rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
-				}
-				else rrdset_next(st);
-
-				rrddim_set(st, "received", InSegs);
-				rrddim_set(st, "sent", OutSegs);
-				rrdset_done(st);
-			}
-
-			// --------------------------------------------------------------------
-
-			if(do_tcp_errors) {
-				st = rrdset_find(RRD_TYPE_NET_SNMP ".tcperrors");
-				if(!st) {
-					st = rrdset_create(RRD_TYPE_NET_SNMP, "tcperrors", NULL, "tcp", NULL, "IPv4 TCP Errors", "packets/s", 2700, update_every, RRDSET_TYPE_LINE);
-					st->isdetail = 1;
-
-					rrddim_add(st, "InErrs", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "RetransSegs", NULL, -1, 1, RRDDIM_INCREMENTAL);
-				}
-				else rrdset_next(st);
-
-				rrddim_set(st, "InErrs", InErrs);
-				rrddim_set(st, "RetransSegs", RetransSegs);
-				rrdset_done(st);
-			}
-
-			// --------------------------------------------------------------------
-
-			if(do_tcp_handshake) {
-				st = rrdset_find(RRD_TYPE_NET_SNMP ".tcphandshake");
-				if(!st) {
-					st = rrdset_create(RRD_TYPE_NET_SNMP, "tcphandshake", NULL, "tcp", NULL, "IPv4 TCP Handshake Issues", "events/s", 2900, update_every, RRDSET_TYPE_LINE);
-					st->isdetail = 1;
-
-					rrddim_add(st, "EstabResets", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "OutRsts", NULL, -1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "ActiveOpens", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "PassiveOpens", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "AttemptFails", NULL, 1, 1, RRDDIM_INCREMENTAL);
-				}
-				else rrdset_next(st);
-
-				rrddim_set(st, "EstabResets", EstabResets);
-				rrddim_set(st, "OutRsts", OutRsts);
-				rrddim_set(st, "ActiveOpens", ActiveOpens);
-				rrddim_set(st, "PassiveOpens", PassiveOpens);
-				rrddim_set(st, "AttemptFails", AttemptFails);
-				rrdset_done(st);
-			}
-		}
-		else if(strcmp(procfile_lineword(ff, l, 0), "Udp") == 0) {
-			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 < 7) {
-				error("Cannot read /proc/net/snmp Udp line. Expected 7 params, read %d.", words);
-				continue;
-			}
-
-			unsigned long long InDatagrams, NoPorts, InErrors, OutDatagrams, RcvbufErrors, SndbufErrors;
-
-			InDatagrams		= strtoull(procfile_lineword(ff, l, 1), NULL, 10);
-			NoPorts			= strtoull(procfile_lineword(ff, l, 2), NULL, 10);
-			InErrors		= strtoull(procfile_lineword(ff, l, 3), NULL, 10);
-			OutDatagrams	= strtoull(procfile_lineword(ff, l, 4), NULL, 10);
-			RcvbufErrors	= strtoull(procfile_lineword(ff, l, 5), NULL, 10);
-			SndbufErrors	= strtoull(procfile_lineword(ff, l, 6), NULL, 10);
-
-			// --------------------------------------------------------------------
-
-			// see http://net-snmp.sourceforge.net/docs/mibs/udp.html
-			if(do_udp_packets) {
-				st = rrdset_find(RRD_TYPE_NET_SNMP ".udppackets");
-				if(!st) {
-					st = rrdset_create(RRD_TYPE_NET_SNMP, "udppackets", NULL, "udp", NULL, "IPv4 UDP Packets", "packets/s", 2601, update_every, RRDSET_TYPE_LINE);
-
-					rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
-				}
-				else rrdset_next(st);
-
-				rrddim_set(st, "received", InDatagrams);
-				rrddim_set(st, "sent", OutDatagrams);
-				rrdset_done(st);
-			}
-
-			// --------------------------------------------------------------------
-
-			if(do_udp_errors) {
-				st = rrdset_find(RRD_TYPE_NET_SNMP ".udperrors");
-				if(!st) {
-					st = rrdset_create(RRD_TYPE_NET_SNMP, "udperrors", NULL, "udp", NULL, "IPv4 UDP Errors", "events/s", 2701, update_every, RRDSET_TYPE_LINE);
-					st->isdetail = 1;
-
-					rrddim_add(st, "RcvbufErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "SndbufErrors", NULL, -1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "InErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
-					rrddim_add(st, "NoPorts", NULL, 1, 1, RRDDIM_INCREMENTAL);
-				}
-				else rrdset_next(st);
-
-				rrddim_set(st, "InErrors", InErrors);
-				rrddim_set(st, "NoPorts", NoPorts);
-				rrddim_set(st, "RcvbufErrors", RcvbufErrors);
-				rrddim_set(st, "SndbufErrors", SndbufErrors);
-				rrdset_done(st);
-			}
-		}
-	}
-
-	return 0;
+    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;
+
+    if(do_ip_packets == -1)     do_ip_packets       = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 packets", 1);
+    if(do_ip_fragsout == -1)    do_ip_fragsout      = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 fragments sent", 1);
+    if(do_ip_fragsin == -1)     do_ip_fragsin       = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 fragments assembly", 1);
+    if(do_ip_errors == -1)      do_ip_errors        = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 errors", 1);
+    if(do_tcp_sockets == -1)    do_tcp_sockets      = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP connections", 1);
+    if(do_tcp_packets == -1)    do_tcp_packets      = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP packets", 1);
+    if(do_tcp_errors == -1)     do_tcp_errors       = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP errors", 1);
+    if(do_tcp_handshake == -1)  do_tcp_handshake    = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 TCP handshake issues", 1);
+    if(do_udp_packets == -1)    do_udp_packets      = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 UDP packets", 1);
+    if(do_udp_errors == -1)     do_udp_errors       = config_get_boolean("plugin:proc:/proc/net/snmp", "ipv4 UDP errors", 1);
+
+    if(dt) {};
+
+    if(!ff) {
+        char filename[FILENAME_MAX + 1];
+        snprintfz(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/net/snmp");
+        ff = procfile_open(config_get("plugin:proc:/proc/net/snmp", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
+    }
+    if(!ff) return 1;
+
+    ff = procfile_readall(ff);
+    if(!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;
+
+    RRDSET *st;
+
+    for(l = 0; l < lines ;l++) {
+        if(strcmp(procfile_lineword(ff, l, 0), "Ip") == 0) {
+            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 < 20) {
+                error("Cannot read /proc/net/snmp Ip line. Expected 20 params, read %u.", words);
+                continue;
+            }
+
+            // see also http://net-snmp.sourceforge.net/docs/mibs/ip.html
+            unsigned long long Forwarding, DefaultTTL, InReceives, InHdrErrors, InAddrErrors, ForwDatagrams, InUnknownProtos, InDiscards, InDelivers,
+                OutRequests, OutDiscards, OutNoRoutes, ReasmTimeout, ReasmReqds, ReasmOKs, ReasmFails, FragOKs, FragFails, FragCreates;
+
+            Forwarding      = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+            DefaultTTL      = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+            InReceives      = strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+            InHdrErrors     = strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+            InAddrErrors    = strtoull(procfile_lineword(ff, l, 5), NULL, 10);
+            ForwDatagrams   = strtoull(procfile_lineword(ff, l, 6), NULL, 10);
+            InUnknownProtos = strtoull(procfile_lineword(ff, l, 7), NULL, 10);
+            InDiscards      = strtoull(procfile_lineword(ff, l, 8), NULL, 10);
+            InDelivers      = strtoull(procfile_lineword(ff, l, 9), NULL, 10);
+            OutRequests     = strtoull(procfile_lineword(ff, l, 10), NULL, 10);
+            OutDiscards     = strtoull(procfile_lineword(ff, l, 11), NULL, 10);
+            OutNoRoutes     = strtoull(procfile_lineword(ff, l, 12), NULL, 10);
+            ReasmTimeout    = strtoull(procfile_lineword(ff, l, 13), NULL, 10);
+            ReasmReqds      = strtoull(procfile_lineword(ff, l, 14), NULL, 10);
+            ReasmOKs        = strtoull(procfile_lineword(ff, l, 15), NULL, 10);
+            ReasmFails      = strtoull(procfile_lineword(ff, l, 16), NULL, 10);
+            FragOKs         = strtoull(procfile_lineword(ff, l, 17), NULL, 10);
+            FragFails       = strtoull(procfile_lineword(ff, l, 18), NULL, 10);
+            FragCreates     = strtoull(procfile_lineword(ff, l, 19), NULL, 10);
+
+            // these are not counters
+            if(Forwarding) {};      // is forwarding enabled?
+            if(DefaultTTL) {};      // the default ttl on packets
+            if(ReasmTimeout) {};    // Reassembly timeout
+
+            // this counter is not used
+            if(InDelivers) {};      // total number of packets delivered to IP user-protocols
+
+            // --------------------------------------------------------------------
+
+            if(do_ip_packets) {
+                st = rrdset_find(RRD_TYPE_NET_SNMP ".packets");
+                if(!st) {
+                    st = rrdset_create(RRD_TYPE_NET_SNMP, "packets", NULL, "packets", NULL, "IPv4 Packets", "packets/s", 3000, update_every, RRDSET_TYPE_LINE);
+
+                    rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "forwarded", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                }
+                else rrdset_next(st);
+
+                rrddim_set(st, "sent", OutRequests);
+                rrddim_set(st, "received", InReceives);
+                rrddim_set(st, "forwarded", ForwDatagrams);
+                rrdset_done(st);
+            }
+
+            // --------------------------------------------------------------------
+
+            if(do_ip_fragsout) {
+                st = rrdset_find(RRD_TYPE_NET_SNMP ".fragsout");
+                if(!st) {
+                    st = rrdset_create(RRD_TYPE_NET_SNMP, "fragsout", NULL, "fragments", NULL, "IPv4 Fragments Sent", "packets/s", 3010, update_every, RRDSET_TYPE_LINE);
+                    st->isdetail = 1;
+
+                    rrddim_add(st, "ok", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "failed", NULL, -1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "all", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                }
+                else rrdset_next(st);
+
+                rrddim_set(st, "ok", FragOKs);
+                rrddim_set(st, "failed", FragFails);
+                rrddim_set(st, "all", FragCreates);
+                rrdset_done(st);
+            }
+
+            // --------------------------------------------------------------------
+
+            if(do_ip_fragsin) {
+                st = rrdset_find(RRD_TYPE_NET_SNMP ".fragsin");
+                if(!st) {
+                    st = rrdset_create(RRD_TYPE_NET_SNMP, "fragsin", NULL, "fragments", NULL, "IPv4 Fragments Reassembly", "packets/s", 3011, update_every, RRDSET_TYPE_LINE);
+                    st->isdetail = 1;
+
+                    rrddim_add(st, "ok", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "failed", NULL, -1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "all", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                }
+                else rrdset_next(st);
+
+                rrddim_set(st, "ok", ReasmOKs);
+                rrddim_set(st, "failed", ReasmFails);
+                rrddim_set(st, "all", ReasmReqds);
+                rrdset_done(st);
+            }
+
+            // --------------------------------------------------------------------
+
+            if(do_ip_errors) {
+                st = rrdset_find(RRD_TYPE_NET_SNMP ".errors");
+                if(!st) {
+                    st = rrdset_create(RRD_TYPE_NET_SNMP, "errors", NULL, "errors", NULL, "IPv4 Errors", "packets/s", 3002, update_every, RRDSET_TYPE_LINE);
+                    st->isdetail = 1;
+
+                    rrddim_add(st, "InDiscards", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "OutDiscards", NULL, -1, 1, RRDDIM_INCREMENTAL);
+
+                    rrddim_add(st, "InHdrErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "InAddrErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "InUnknownProtos", NULL, 1, 1, RRDDIM_INCREMENTAL);
+
+                    rrddim_add(st, "OutNoRoutes", NULL, -1, 1, RRDDIM_INCREMENTAL);
+                }
+                else rrdset_next(st);
+
+                rrddim_set(st, "InDiscards", InDiscards);
+                rrddim_set(st, "OutDiscards", OutDiscards);
+                rrddim_set(st, "InHdrErrors", InHdrErrors);
+                rrddim_set(st, "InAddrErrors", InAddrErrors);
+                rrddim_set(st, "InUnknownProtos", InUnknownProtos);
+                rrddim_set(st, "OutNoRoutes", OutNoRoutes);
+                rrdset_done(st);
+            }
+        }
+        else if(strcmp(procfile_lineword(ff, l, 0), "Tcp") == 0) {
+            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 < 15) {
+                error("Cannot read /proc/net/snmp Tcp line. Expected 15 params, read %u.", words);
+                continue;
+            }
+
+            unsigned long long RtoAlgorithm, RtoMin, RtoMax, MaxConn, ActiveOpens, PassiveOpens, AttemptFails, EstabResets,
+                CurrEstab, InSegs, OutSegs, RetransSegs, InErrs, OutRsts;
+
+            RtoAlgorithm    = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+            RtoMin          = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+            RtoMax          = strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+            MaxConn         = strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+            ActiveOpens     = strtoull(procfile_lineword(ff, l, 5), NULL, 10);
+            PassiveOpens    = strtoull(procfile_lineword(ff, l, 6), NULL, 10);
+            AttemptFails    = strtoull(procfile_lineword(ff, l, 7), NULL, 10);
+            EstabResets     = strtoull(procfile_lineword(ff, l, 8), NULL, 10);
+            CurrEstab       = strtoull(procfile_lineword(ff, l, 9), NULL, 10);
+            InSegs          = strtoull(procfile_lineword(ff, l, 10), NULL, 10);
+            OutSegs         = strtoull(procfile_lineword(ff, l, 11), NULL, 10);
+            RetransSegs     = strtoull(procfile_lineword(ff, l, 12), NULL, 10);
+            InErrs          = strtoull(procfile_lineword(ff, l, 13), NULL, 10);
+            OutRsts         = strtoull(procfile_lineword(ff, l, 14), NULL, 10);
+
+            // these are not counters
+            if(RtoAlgorithm) {};
+            if(RtoMin) {};
+            if(RtoMax) {};
+            if(MaxConn) {};
+
+            // --------------------------------------------------------------------
+
+            // see http://net-snmp.sourceforge.net/docs/mibs/tcp.html
+            if(do_tcp_sockets) {
+                st = rrdset_find(RRD_TYPE_NET_SNMP ".tcpsock");
+                if(!st) {
+                    st = rrdset_create(RRD_TYPE_NET_SNMP, "tcpsock", NULL, "tcp", NULL, "IPv4 TCP Connections", "active connections", 2500, update_every, RRDSET_TYPE_LINE);
+
+                    rrddim_add(st, "connections", NULL, 1, 1, RRDDIM_ABSOLUTE);
+                }
+                else rrdset_next(st);
+
+                rrddim_set(st, "connections", CurrEstab);
+                rrdset_done(st);
+            }
+
+            // --------------------------------------------------------------------
+
+            if(do_tcp_packets) {
+                st = rrdset_find(RRD_TYPE_NET_SNMP ".tcppackets");
+                if(!st) {
+                    st = rrdset_create(RRD_TYPE_NET_SNMP, "tcppackets", NULL, "tcp", NULL, "IPv4 TCP Packets", "packets/s", 2600, update_every, RRDSET_TYPE_LINE);
+
+                    rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+                }
+                else rrdset_next(st);
+
+                rrddim_set(st, "received", InSegs);
+                rrddim_set(st, "sent", OutSegs);
+                rrdset_done(st);
+            }
+
+            // --------------------------------------------------------------------
+
+            if(do_tcp_errors) {
+                st = rrdset_find(RRD_TYPE_NET_SNMP ".tcperrors");
+                if(!st) {
+                    st = rrdset_create(RRD_TYPE_NET_SNMP, "tcperrors", NULL, "tcp", NULL, "IPv4 TCP Errors", "packets/s", 2700, update_every, RRDSET_TYPE_LINE);
+                    st->isdetail = 1;
+
+                    rrddim_add(st, "InErrs", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "RetransSegs", NULL, -1, 1, RRDDIM_INCREMENTAL);
+                }
+                else rrdset_next(st);
+
+                rrddim_set(st, "InErrs", InErrs);
+                rrddim_set(st, "RetransSegs", RetransSegs);
+                rrdset_done(st);
+            }
+
+            // --------------------------------------------------------------------
+
+            if(do_tcp_handshake) {
+                st = rrdset_find(RRD_TYPE_NET_SNMP ".tcphandshake");
+                if(!st) {
+                    st = rrdset_create(RRD_TYPE_NET_SNMP, "tcphandshake", NULL, "tcp", NULL, "IPv4 TCP Handshake Issues", "events/s", 2900, update_every, RRDSET_TYPE_LINE);
+                    st->isdetail = 1;
+
+                    rrddim_add(st, "EstabResets", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "OutRsts", NULL, -1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "ActiveOpens", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "PassiveOpens", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "AttemptFails", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                }
+                else rrdset_next(st);
+
+                rrddim_set(st, "EstabResets", EstabResets);
+                rrddim_set(st, "OutRsts", OutRsts);
+                rrddim_set(st, "ActiveOpens", ActiveOpens);
+                rrddim_set(st, "PassiveOpens", PassiveOpens);
+                rrddim_set(st, "AttemptFails", AttemptFails);
+                rrdset_done(st);
+            }
+        }
+        else if(strcmp(procfile_lineword(ff, l, 0), "Udp") == 0) {
+            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 < 7) {
+                error("Cannot read /proc/net/snmp Udp line. Expected 7 params, read %u.", words);
+                continue;
+            }
+
+            unsigned long long InDatagrams, NoPorts, InErrors, OutDatagrams, RcvbufErrors, SndbufErrors;
+
+            InDatagrams     = strtoull(procfile_lineword(ff, l, 1), NULL, 10);
+            NoPorts         = strtoull(procfile_lineword(ff, l, 2), NULL, 10);
+            InErrors        = strtoull(procfile_lineword(ff, l, 3), NULL, 10);
+            OutDatagrams    = strtoull(procfile_lineword(ff, l, 4), NULL, 10);
+            RcvbufErrors    = strtoull(procfile_lineword(ff, l, 5), NULL, 10);
+            SndbufErrors    = strtoull(procfile_lineword(ff, l, 6), NULL, 10);
+
+            // --------------------------------------------------------------------
+
+            // see http://net-snmp.sourceforge.net/docs/mibs/udp.html
+            if(do_udp_packets) {
+                st = rrdset_find(RRD_TYPE_NET_SNMP ".udppackets");
+                if(!st) {
+                    st = rrdset_create(RRD_TYPE_NET_SNMP, "udppackets", NULL, "udp", NULL, "IPv4 UDP Packets", "packets/s", 2601, update_every, RRDSET_TYPE_LINE);
+
+                    rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
+                }
+                else rrdset_next(st);
+
+                rrddim_set(st, "received", InDatagrams);
+                rrddim_set(st, "sent", OutDatagrams);
+                rrdset_done(st);
+            }
+
+            // --------------------------------------------------------------------
+
+            if(do_udp_errors) {
+                st = rrdset_find(RRD_TYPE_NET_SNMP ".udperrors");
+                if(!st) {
+                    st = rrdset_create(RRD_TYPE_NET_SNMP, "udperrors", NULL, "udp", NULL, "IPv4 UDP Errors", "events/s", 2701, update_every, RRDSET_TYPE_LINE);
+                    st->isdetail = 1;
+
+                    rrddim_add(st, "RcvbufErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "SndbufErrors", NULL, -1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "InErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                    rrddim_add(st, "NoPorts", NULL, 1, 1, RRDDIM_INCREMENTAL);
+                }
+                else rrdset_next(st);
+
+                rrddim_set(st, "InErrors", InErrors);
+                rrddim_set(st, "NoPorts", NoPorts);
+                rrddim_set(st, "RcvbufErrors", RcvbufErrors);
+                rrddim_set(st, "SndbufErrors", SndbufErrors);
+                rrdset_done(st);
+            }
+        }
+    }
+
+    return 0;
 }