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Merge pull request #3502 from efuss/netbsd-netstat_udp
Add a (currently NetBSD-only) netstat_udp plugin
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| /** | ||
| * collectd - src/netstat-udp.c | ||
| * Copyright (C) 2015 Håvard Eidnes | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License as published by the | ||
| * Free Software Foundation; only version 2 of the License is applicable. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, but | ||
| * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| * General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License along | ||
| * with this program; if not, write to the Free Software Foundation, Inc., | ||
| * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| * | ||
| * Authors: | ||
| * Håvard Eidnes <he at NetBSD.org> | ||
| **/ | ||
|
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| #include "collectd.h" | ||
| #include "plugin.h" | ||
| #include "utils/common/common.h" | ||
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| #if !defined(KERNEL_NETBSD) | ||
| #error "No applicable input method." | ||
| #endif | ||
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| #include <sys/cdefs.h> | ||
| #include <sys/sysctl.h> | ||
| #include <sys/types.h> | ||
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| #include <netinet/in.h> | ||
| #include <netinet/ip_var.h> | ||
| #include <netinet/udp.h> | ||
| #include <netinet/udp_var.h> | ||
| #include <netinet6/udp6_var.h> | ||
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| static int netstat_udp_init(void) { return (0); } /* int netstat_udp_init */ | ||
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| #define SUBMIT_VARS(...) \ | ||
| plugin_dispatch_multivalue(vl, 0, DS_TYPE_DERIVE, __VA_ARGS__, NULL) | ||
|
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| static int netstat_udp_internal(value_list_t *vl) { | ||
| uint64_t udpstat[UDP_NSTATS]; | ||
| uint64_t udp6stat[UDP6_NSTATS]; | ||
| size_t size; | ||
| uint64_t delivered, delivered6; | ||
| int err; | ||
|
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| size = sizeof(udpstat); | ||
| if (sysctlbyname("net.inet.udp.stats", udpstat, &size, NULL, 0) == -1) { | ||
| ERROR("netstat-udp plugin: could not get udp stats"); | ||
| return -1; | ||
| } | ||
|
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| delivered = udpstat[UDP_STAT_IPACKETS] - udpstat[UDP_STAT_HDROPS] - | ||
| udpstat[UDP_STAT_BADLEN] - udpstat[UDP_STAT_BADSUM] - | ||
| udpstat[UDP_STAT_NOPORT] - udpstat[UDP_STAT_NOPORTBCAST] - | ||
| udpstat[UDP_STAT_FULLSOCK]; | ||
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| err = SUBMIT_VARS("udp-received", (derive_t)udpstat[UDP_STAT_IPACKETS], | ||
| "udp-bad-header", (derive_t)udpstat[UDP_STAT_HDROPS], | ||
| "udp-bad-length", (derive_t)udpstat[UDP_STAT_BADLEN], | ||
| "udp-bad-checksum", (derive_t)udpstat[UDP_STAT_BADSUM], | ||
| "udp-no-port", (derive_t)udpstat[UDP_STAT_NOPORT], | ||
| "udp-no-port-broadcast", | ||
| (derive_t)udpstat[UDP_STAT_NOPORTBCAST], "udp-full-socket", | ||
| (derive_t)udpstat[UDP_STAT_FULLSOCK], "udp-delivered", | ||
| (derive_t)delivered); | ||
| if (err != 0) { | ||
| ERROR("netstat-udp plugin: could not submit, err=%d\n", err); | ||
| } | ||
|
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| size = sizeof(udp6stat); | ||
| if (sysctlbyname("net.inet6.udp6.stats", udp6stat, &size, NULL, 0) == -1) { | ||
| ERROR("netstat-udp plugin: could not get udp6 stats"); | ||
| return -1; | ||
| } | ||
|
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| delivered6 = udp6stat[UDP6_STAT_IPACKETS] - udp6stat[UDP6_STAT_HDROPS] - | ||
| udp6stat[UDP6_STAT_BADLEN] - udp6stat[UDP6_STAT_BADSUM] - | ||
| udp6stat[UDP6_STAT_NOSUM] - udp6stat[UDP6_STAT_NOPORT] - | ||
| udp6stat[UDP6_STAT_NOPORTMCAST] - udp6stat[UDP6_STAT_FULLSOCK]; | ||
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| err = SUBMIT_VARS("udp6-received", (derive_t)udp6stat[UDP6_STAT_IPACKETS], | ||
| "udp6-bad-header", (derive_t)udp6stat[UDP6_STAT_HDROPS], | ||
| "udp6-bad-length", (derive_t)udp6stat[UDP6_STAT_BADLEN], | ||
| "udp6-bad-checksum", (derive_t)udp6stat[UDP6_STAT_BADSUM], | ||
| "udp6-no-checksum", (derive_t)udp6stat[UDP6_STAT_NOSUM], | ||
| "udp6-no-port", (derive_t)udp6stat[UDP6_STAT_NOPORT], | ||
| "udp6-no-port-multicast", | ||
| (derive_t)udp6stat[UDP6_STAT_NOPORTMCAST], | ||
| "udp6-full-socket", (derive_t)udp6stat[UDP6_STAT_FULLSOCK], | ||
| "udp6-delivered", (derive_t)delivered6); | ||
| if (err != 0) { | ||
| ERROR("netstat-udp plugin ipv6: could not submit, err=%d\n", err); | ||
| } | ||
|
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| return (0); | ||
| } /* }}} int netstat_udp_internal */ | ||
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| static int netstat_udp_read(void) /* {{{ */ | ||
| { | ||
| value_t v[1]; | ||
| value_list_t vl = VALUE_LIST_INIT; | ||
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| vl.values = v; | ||
| vl.values_len = STATIC_ARRAY_SIZE(v); | ||
| sstrncpy(vl.host, hostname_g, sizeof(vl.host)); | ||
| sstrncpy(vl.plugin, "netstat_udp", sizeof(vl.plugin)); | ||
| sstrncpy(vl.type, "packets", sizeof(vl.type)); | ||
| vl.time = cdtime(); | ||
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| return (netstat_udp_internal(&vl)); | ||
| } /* }}} int netstat_udp_read */ | ||
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| void module_register(void) { | ||
| plugin_register_init("netstat_udp", netstat_udp_init); | ||
| plugin_register_read("netstat_udp", netstat_udp_read); | ||
| } /* void module_register */ |