diff options
Diffstat (limited to 'agent/mibgroup/mibII/kernel_netbsd.c')
| -rw-r--r-- | agent/mibgroup/mibII/kernel_netbsd.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/agent/mibgroup/mibII/kernel_netbsd.c b/agent/mibgroup/mibII/kernel_netbsd.c new file mode 100644 index 0000000..93f38b7 --- /dev/null +++ b/agent/mibgroup/mibII/kernel_netbsd.c @@ -0,0 +1,198 @@ +/* + * NetBSD implementation for mapping the IP stat arrays into struct's + * Required for NetBSD versions produced after April 7th 2008 (4+) + * + * Based on: http://mail-index.netbsd.org/pkgsrc-users/2008/04/27/msg007095.html + */ + +#include <sys/param.h> +#include <sys/sysctl.h> +#include <sys/protosw.h> + +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/ip.h> +#include <netinet/ip_icmp.h> +#include <netinet/ip_var.h> +#include <netinet/icmp_var.h> +#include <netinet/tcp.h> +#include <netinet/tcp_timer.h> +#include <netinet/tcp_var.h> +#include <netinet/udp.h> +#include <netinet/udp_var.h> + +#include <net-snmp/net-snmp-config.h> +#include <net-snmp/net-snmp-includes.h> +#include <net-snmp/agent/net-snmp-agent-includes.h> + +#include "kernel_netbsd.h" + +#if defined(NETBSD_STATS_VIA_SYSCTL) + +int +netbsd_read_icmp_stat(struct icmp_mib *mib) +{ + uint64_t icmpstat[ICMP_NSTATS]; + size_t size = sizeof(icmpstat); + int i; + + (void)memset(mib, 0, sizeof(*mib)); + + if (-1 == sysctlbyname("net.inet.icmp.stats", icmpstat, &size, NULL, 0)) + return -1; + + mib->icmpInMsgs = icmpstat[ICMP_STAT_BADCODE] + + icmpstat[ICMP_STAT_TOOSHORT] + + icmpstat[ICMP_STAT_CHECKSUM] + + icmpstat[ICMP_STAT_BADLEN]; + for (i = 0; i <= ICMP_MAXTYPE; i++) + mib->icmpInMsgs += icmpstat[ICMP_STAT_INHIST + i]; + mib->icmpInErrors = icmpstat[ICMP_STAT_BADCODE] + + icmpstat[ICMP_STAT_TOOSHORT] + + icmpstat[ICMP_STAT_CHECKSUM] + + icmpstat[ICMP_STAT_BADLEN]; + mib->icmpInDestUnreachs = icmpstat[ICMP_STAT_INHIST + ICMP_UNREACH]; + mib->icmpInTimeExcds = icmpstat[ICMP_STAT_INHIST + ICMP_TIMXCEED]; + mib->icmpInParmProbs = icmpstat[ICMP_STAT_INHIST + ICMP_PARAMPROB]; + mib->icmpInSrcQuenchs = icmpstat[ICMP_STAT_INHIST + ICMP_SOURCEQUENCH]; + mib->icmpInRedirects = icmpstat[ICMP_STAT_INHIST + ICMP_REDIRECT]; + mib->icmpInEchos = icmpstat[ICMP_STAT_INHIST + ICMP_ECHO]; + mib->icmpInEchoReps = icmpstat[ICMP_STAT_INHIST + ICMP_ECHOREPLY]; + mib->icmpInTimestamps = icmpstat[ICMP_STAT_INHIST + ICMP_TSTAMP]; + mib->icmpInTimestampReps + = icmpstat[ICMP_STAT_INHIST + ICMP_TSTAMPREPLY]; + mib->icmpInAddrMasks = icmpstat[ICMP_STAT_INHIST + ICMP_MASKREQ]; + mib->icmpInAddrMaskReps = icmpstat[ICMP_STAT_INHIST + ICMP_MASKREPLY]; + mib->icmpOutMsgs = icmpstat[ICMP_STAT_OLDSHORT] + + icmpstat[ICMP_STAT_OLDICMP]; + for (i = 0; i <= ICMP_MAXTYPE; i++) + mib->icmpOutMsgs += icmpstat[ICMP_STAT_OUTHIST + i]; + mib->icmpOutErrors = icmpstat[ICMP_STAT_OLDSHORT] + + icmpstat[ICMP_STAT_OLDICMP]; + mib->icmpOutDestUnreachs = icmpstat[ICMP_STAT_OUTHIST + ICMP_UNREACH]; + mib->icmpOutTimeExcds = icmpstat[ICMP_STAT_OUTHIST + ICMP_TIMXCEED]; + mib->icmpOutParmProbs = icmpstat[ICMP_STAT_OUTHIST + ICMP_PARAMPROB]; + mib->icmpOutSrcQuenchs + = icmpstat[ICMP_STAT_OUTHIST + ICMP_SOURCEQUENCH]; + mib->icmpOutRedirects = icmpstat[ICMP_STAT_OUTHIST + ICMP_REDIRECT]; + mib->icmpOutEchos = icmpstat[ICMP_STAT_OUTHIST + ICMP_ECHO]; + mib->icmpOutEchoReps = icmpstat[ICMP_STAT_OUTHIST + ICMP_ECHOREPLY]; + mib->icmpOutTimestamps = icmpstat[ICMP_STAT_OUTHIST + ICMP_TSTAMP]; + mib->icmpOutTimestampReps + = icmpstat[ICMP_STAT_OUTHIST + ICMP_TSTAMPREPLY]; + mib->icmpOutAddrMasks = icmpstat[ICMP_STAT_OUTHIST + ICMP_MASKREQ]; + mib->icmpOutAddrMaskReps = icmpstat[ICMP_STAT_OUTHIST + ICMP_MASKREPLY]; + + return 0; +} + +int +netbsd_read_ip_stat(struct ip_mib *mib) +{ + uint64_t ipstat[IP_NSTATS]; + size_t size = sizeof(ipstat); + int i; + static int sname[4] = { 4, 2, 0, 0 }; /* CTL_NET, PF_INET, IPPROTO_IP, 0 */ + size_t len; + + (void)memset(mib, 0, sizeof(*mib)); + + if (-1 == sysctlbyname("net.inet.ip.stats", ipstat, &size, NULL, 0)) + return -1; + + mib->ipForwarding = 0; + len = sizeof i; + sname[3] = IPCTL_FORWARDING; + if (0 == sysctl(sname, 4, &i, &len, 0, 0)) { + mib->ipForwarding = (long)i; + } + + mib->ipDefaultTTL = 0; + sname[3] = IPCTL_DEFTTL; + if (0 == sysctl(sname, 4, &i, &len, 0, 0)) { + mib->ipDefaultTTL = (long)i; + } + + mib->ipInReceives = ipstat[IP_STAT_TOTAL]; + mib->ipInHdrErrors = ipstat[IP_STAT_BADSUM] + + ipstat[IP_STAT_TOOSHORT] + ipstat[IP_STAT_TOOSMALL] + + ipstat[IP_STAT_BADHLEN] + ipstat[IP_STAT_BADLEN]; + mib->ipInAddrErrors = ipstat[IP_STAT_CANTFORWARD]; + mib->ipForwDatagrams = ipstat[IP_STAT_FORWARD]; + mib->ipInUnknownProtos = ipstat[IP_STAT_NOPROTO]; + mib->ipInDiscards = ipstat[IP_STAT_FRAGDROPPED]; /* FIXME */ + mib->ipInDelivers = ipstat[IP_STAT_DELIVERED]; + mib->ipOutRequests = ipstat[IP_STAT_LOCALOUT]; + mib->ipOutDiscards = ipstat[IP_STAT_ODROPPED]; + mib->ipOutNoRoutes = 0; /* FIXME */ + mib->ipReasmTimeout = 0; /* IPFRAGTTL; */ + mib->ipReasmReqds = ipstat[IP_STAT_FRAGMENTS]; + mib->ipReasmOKs = ipstat[IP_STAT_REASSEMBLED]; + mib->ipReasmFails = ipstat[IP_STAT_FRAGDROPPED] + + ipstat[IP_STAT_FRAGTIMEOUT]; + mib->ipFragOKs = ipstat[IP_STAT_FRAGMENTS]; + mib->ipFragFails = ipstat[IP_STAT_CANTFRAG]; + mib->ipFragCreates = ipstat[IP_STAT_OFRAGMENTS]; + mib->ipRoutingDiscards = ipstat[IP_STAT_NOROUTE]; + + return 0; +} + +int +netbsd_read_tcp_stat(struct tcp_mib *mib) +{ + uint64_t tcpstat[TCP_NSTATS]; + size_t size = sizeof(tcpstat); + + (void)memset(mib, 0, sizeof(*mib)); + + if (-1 == sysctlbyname("net.inet.tcp.stats", tcpstat, &size, NULL, 0)) + return -1; + + mib->tcpRtoAlgorithm = 4; /* Assume Van Jacobsen's algorithm */ + mib->tcpRtoMin = TCPTV_MIN; + mib->tcpRtoMax = TCPTV_REXMTMAX; + mib->tcpMaxConn = -1; /* Dynamic Maximum */ + mib->tcpActiveOpens = tcpstat[TCP_STAT_CONNATTEMPT]; + mib->tcpPassiveOpens = tcpstat[TCP_STAT_ACCEPTS]; + mib->tcpAttemptFails = tcpstat[TCP_STAT_CONNDROPS]; + mib->tcpEstabResets = tcpstat[TCP_STAT_DROPS]; + mib->tcpCurrEstab = 0; /* FIXME */ + mib->tcpInSegs = tcpstat[TCP_STAT_RCVTOTAL]; + mib->tcpOutSegs = tcpstat[TCP_STAT_SNDTOTAL] + - tcpstat[TCP_STAT_SNDREXMITPACK]; + mib->tcpRetransSegs = tcpstat[TCP_STAT_SNDREXMITPACK]; + mib->tcpInErrs = tcpstat[TCP_STAT_RCVBADSUM] + + tcpstat[TCP_STAT_RCVBADOFF] + + tcpstat[TCP_STAT_RCVMEMDROP] + + tcpstat[TCP_STAT_RCVSHORT]; + mib->tcpOutRsts = tcpstat[TCP_STAT_SNDCTRL] + - tcpstat[TCP_STAT_CLOSED]; + mib->tcpInErrsValid = mib->tcpInErrs; /* FIXME */ + mib->tcpOutRstsValid = mib->tcpOutRsts; /* FIXME */ + + return 0; +} + +int +netbsd_read_udp_stat(struct udp_mib *mib) +{ + uint64_t udpstat[UDP_NSTATS]; + size_t size = sizeof(udpstat); + + (void)memset(mib, 0, sizeof(*mib)); + + if (-1 == sysctlbyname("net.inet.udp.stats", udpstat, &size, NULL, 0)) + return -1; + + mib->udpInDatagrams = udpstat[UDP_STAT_IPACKETS]; + mib->udpNoPorts = udpstat[UDP_STAT_NOPORT]; + mib->udpOutDatagrams = udpstat[UDP_STAT_OPACKETS]; + mib->udpInErrors = udpstat[UDP_STAT_HDROPS] + + udpstat[UDP_STAT_BADSUM] /* + udpstat[UDP_STAT_DISCARD] /* FIXME */ + + udpstat[UDP_STAT_FULLSOCK] + udpstat[UDP_STAT_BADLEN]; + + return 0; +} + +#endif |