-/* Copyright '97 by Andi Kleen. Subject to the GPL. */
-/* 19980630 - i18n - Arnaldo Carvalho de Melo <acme@conectiva.com.br> */
-/* 19981113 - i18n fixes - Arnaldo Carvalho de Melo <acme@conectiva.com.br> */
-
-/*
- XXX: rewrite to 2 pass to support /proc/net/netstat too
- support -t -u
- */
+/*
+ * Copyright 1997,1999,2000 Andi Kleen. Subject to the GPL.
+ * $Id: statistics.c,v 1.23 2010-10-29 19:24:36 ecki Exp $
+ * 19980630 - i18n - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ * 19981113 - i18n fixes - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ * 19990101 - added net/netstat, -t, -u, -w supprt - Bernd Eckenfels
+ */
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "intl.h"
+#include "proc.h"
/* #define WARN 1 */
#ifdef WARN
#define UFWARN(x) x
#else
-#define UFWARN(x)
+#define UFWARN(x)
#endif
-int print_static;
+int print_static,f_raw,f_tcp,f_udp,f_unknown = 1;
+
+enum State {
+ number = 0, opt_number, i_forward, i_inp_icmp, i_outp_icmp, i_rto_alg,
+ MaxState
+};
-enum State { number = 0, i_forward, i_inp_icmp, i_outp_icmp, i_rto_alg };
#define normal number
struct entry {
- char *title;
- char *out;
- enum State type;
+ char *title;
+ char *out;
+ enum State type;
+};
+
+struct statedesc {
+ int indent;
+ char *title;
+};
+
+struct statedesc states[] = {
+ [number] = { 4, NULL },
+ [opt_number] = { 4, NULL },
+ [i_forward] = { 4, NULL },
+ [i_inp_icmp] = { 8, N_("ICMP input histogram:") },
+ [i_outp_icmp] = { 8, N_("ICMP output histogram:") },
+ [MaxState] = {0},
};
static enum State state;
-static int indent[] = { 4, 4, 8, 8, 4 }; /* for each state */
-#define I_STATIC (1<<16) /* static configuration option. */
+#define I_STATIC (1<<16) /* static configuration option. */
#define I_TITLE (1<<17)
-char *titles[] = { /* for each state */
- NULL, NULL,
- N_("ICMP input histogram:"),
- N_("ICMP output histogram:"),
- NULL
+/*
+ * XXX check against the snmp mib rfc.
+ *
+ * Don't mark the first field as translatable! It's a snmp MIB standard.
+ * - acme
+ */
+struct entry Iptab[] =
+{
+ {"Forwarding", N_("Forwarding is %s"), i_forward | I_STATIC},
+ {"DefaultTTL", N_("Default TTL is %u"), number | I_STATIC},
+ {"InReceives", N_("%u total packets received"), number},
+ {"InHdrErrors", N_("%u with invalid headers"), opt_number},
+ {"InAddrErrors", N_("%u with invalid addresses"), opt_number},
+ {"ForwDatagrams", N_("%u forwarded"), number},
+ {"InUnknownProtos", N_("%u with unknown protocol"), opt_number},
+ {"InDiscards", N_("%u incoming packets discarded"), number},
+ {"InDelivers", N_("%u incoming packets delivered"), number},
+ {"OutRequests", N_("%u requests sent out"), number}, /*? */
+ {"OutDiscards", N_("%u outgoing packets dropped"), opt_number},
+ {"OutNoRoutes", N_("%u dropped because of missing route"), opt_number},
+ {"ReasmTimeout", N_("%u fragments dropped after timeout"), opt_number},
+ {"ReasmReqds", N_("%u reassemblies required"), opt_number}, /* ? */
+ {"ReasmOKs", N_("%u packets reassembled ok"), opt_number},
+ {"ReasmFails", N_("%u packet reassembles failed"), opt_number},
+ {"FragOKs", N_("%u fragments received ok"), opt_number},
+ {"FragFails", N_("%u fragments failed"), opt_number},
+ {"FragCreates", N_("%u fragments created"), opt_number}
};
-/* XXX check against the snmp mib rfc.
- */
- /*
- Don't mark the first field as translatable! It's a snmp MIB standard.
+struct entry Ip6tab[] =
+{
+ {"Ip6InReceives", N_("%u total packets received"), number},
+ {"Ip6InHdrErrors", N_("%u with invalid headers"), opt_number},
+ {"Ip6InTooBigErrors", N_("%u with packets too big"), opt_number},
+ {"Ip6InNoRoutes", N_("%u incoming packets with no route"), opt_number},
+ {"Ip6InAddrErrors", N_("%u with invalid addresses"), opt_number},
+ {"Ip6InUnknownProtos", N_("%u with unknown protocol"), opt_number},
+ {"Ip6InTruncatedPkts", N_("%u with truncated packets"), opt_number},
+ {"Ip6InDiscards", N_("%u incoming packets discarded"), number},
+ {"Ip6InDelivers", N_("%u incoming packets delivered"), number},
+ {"Ip6OutForwDatagrams", N_("%u forwarded"), number},
+ {"Ip6OutRequests", N_("%u requests sent out"), number}, /*? */
+ {"Ip6OutDiscards", N_("%u outgoing packets dropped"), opt_number},
+ {"Ip6OutNoRoutes", N_("%u dropped because of missing route"), opt_number},
+ {"Ip6ReasmTimeout", N_("%u fragments dropped after timeout"), opt_number},
+ {"Ip6ReasmReqds", N_("%u reassemblies required"), opt_number}, /* ? */
+ {"Ip6ReasmOKs", N_("%u packets reassembled ok"), opt_number},
+ {"Ip6ReasmFails", N_("%u packet reassembles failed"), opt_number},
+ {"Ip6FragOKs", N_("%u fragments received ok"), opt_number},
+ {"Ip6FragFails", N_("%u fragments failed"), opt_number},
+ {"Ip6FragCreates", N_("%u fragments created"), opt_number},
+ {"Ip6InMcastPkts", N_("%u incoming multicast packets"), opt_number},
+ {"Ip6OutMcastPkts", N_("%u outgoing multicast packets"), opt_number}
+};
- - acme
- */
-struct entry Iptab[] = {
- { "Forwarding", N_("Forwarding is %s"), i_forward|I_STATIC },
- { "DefaultTTL", N_("Default TTL is %d"), number|I_STATIC },
- { "InReceives", N_("%d total packets received"), number },
- { "InHdrErrors", N_("%d with invalid headers"), number },
- { "InAddrErrors", N_("%d with invalid addresses"), number },
- { "ForwDatagrams", N_("%d forwarded"), number },
- { "InUnknownProtos", N_("%d with unknown protocol"), number },
- { "InDiscards", N_("%d incoming packets discarded"), number },
- { "InDelivers", N_("%d incoming packets delivered"), number },
- { "OutRequests", N_("%d requests sent out"), number }, /*?*/
- { "OutDiscards", N_("%d outgoing packets dropped"), number },
- { "OutNoRoutes", N_("%d dropped because of missing route"), number },
- { "ReasmTimeout", N_("%d fragments dropped after timeout"), number },
- { "ReasmReqds", N_("%d reassemblies required"), number }, /* ? */
- { "ReasmOKs", N_("%d packets reassembled ok"), number },
- { "ReasmFails", N_("%d packet reassembles failed"), number },
- { "FragOKs", N_("%d fragments received ok"), number },
- { "FragFails", N_("%d fragments failed"), number },
- { "FragCreates", N_("%d fragments created"), number }
+struct entry Icmptab[] =
+{
+ {"InMsgs", N_("%u ICMP messages received"), number},
+ {"InErrors", N_("%u input ICMP message failed."), number},
+ {"InDestUnreachs", N_("destination unreachable: %u"), i_inp_icmp | I_TITLE},
+ {"InTimeExcds", N_("timeout in transit: %u"), i_inp_icmp | I_TITLE},
+ {"InParmProbs", N_("wrong parameters: %u"), i_inp_icmp | I_TITLE}, /*? */
+ {"InSrcQuenchs", N_("source quenches: %u"), i_inp_icmp | I_TITLE},
+ {"InRedirects", N_("redirects: %u"), i_inp_icmp | I_TITLE},
+ {"InEchos", N_("echo requests: %u"), i_inp_icmp | I_TITLE},
+ {"InEchoReps", N_("echo replies: %u"), i_inp_icmp | I_TITLE},
+ {"InTimestamps", N_("timestamp request: %u"), i_inp_icmp | I_TITLE},
+ {"InTimestampReps", N_("timestamp reply: %u"), i_inp_icmp | I_TITLE},
+ {"InAddrMasks", N_("address mask request: %u"), i_inp_icmp | I_TITLE}, /*? */
+ {"InAddrMaskReps", N_("address mask replies: %u"), i_inp_icmp | I_TITLE}, /*? */
+ {"OutMsgs", N_("%u ICMP messages sent"), number},
+ {"OutErrors", N_("%u ICMP messages failed"), number},
+ {"OutDestUnreachs", N_("destination unreachable: %u"), i_outp_icmp | I_TITLE},
+ {"OutTimeExcds", N_("time exceeded: %u"), i_outp_icmp | I_TITLE},
+ {"OutParmProbs", N_("wrong parameters: %u"), i_outp_icmp | I_TITLE}, /*? */
+ {"OutSrcQuenchs", N_("source quench: %u"), i_outp_icmp | I_TITLE},
+ {"OutRedirects", N_("redirect: %u"), i_outp_icmp | I_TITLE},
+ {"OutEchos", N_("echo request: %u"), i_outp_icmp | I_TITLE},
+ {"OutEchoReps", N_("echo replies: %u"), i_outp_icmp | I_TITLE},
+ {"OutTimestamps", N_("timestamp requests: %u"), i_outp_icmp | I_TITLE},
+ {"OutTimestampReps", N_("timestamp replies: %u"), i_outp_icmp | I_TITLE},
+ {"OutAddrMasks", N_("address mask requests: %u"), i_outp_icmp | I_TITLE},
+ {"OutAddrMaskReps", N_("address mask replies: %u"), i_outp_icmp | I_TITLE},
};
-struct entry Icmptab[] = {
- { "InMsgs", N_("%d ICMP messages received"), number },
- { "InErrors", N_("%d input ICMP message failed."), number },
- { "InDestUnreachs", N_("destination unreachable: %d"), i_inp_icmp|I_TITLE },
- { "InTimeExcds", N_("timeout in transit: %d"), i_inp_icmp|I_TITLE },
- { "InParmProbs", N_("wrong parameters: %d"), i_inp_icmp|I_TITLE }, /*?*/
- { "InSrcQuenchs", N_("source quenchs: %d"), i_inp_icmp|I_TITLE },
- { "InRedirects", N_("redirects: %d"), i_inp_icmp|I_TITLE },
- { "InEchos", N_("echo requests: %d"), i_inp_icmp|I_TITLE },
- { "InEchoReps", N_("echo replies: %d"), i_inp_icmp|I_TITLE },
- { "InTimestamps", N_("timestamp request: %d"), i_inp_icmp|I_TITLE },
- { "InTimestampReps", N_("timestamp reply: %d"), i_inp_icmp|I_TITLE },
- { "InAddrMasks", N_("address mask request: %d"), i_inp_icmp|I_TITLE }, /*?*/
- { "InAddrMaskReps", N_("address mask replies"), i_inp_icmp|I_TITLE }, /*?*/
- { "OutMsgs", N_("%d ICMP messages sent"), number },
- { "OutErrors", N_("%d ICMP messages failed"), number },
- { "OutDestUnreachs", N_("destination unreachable: %d"), i_outp_icmp|I_TITLE },
- { "OutTimeExcds", N_("time exceeded: %d"), i_outp_icmp|I_TITLE },
- { "OutParmProbs", N_("wrong parameters: %d"), i_outp_icmp|I_TITLE }, /*?*/
- { "OutSrcQuenchs", N_("source quench: %d"), i_outp_icmp|I_TITLE },
- { "OutRedirects", N_("redirect: %d"), i_outp_icmp|I_TITLE },
- { "OutEchos", N_("echo request: %d"), i_outp_icmp|I_TITLE },
- { "OutEchoReps", N_("echo replies: %d"), i_outp_icmp|I_TITLE },
- { "OutTimestamps", N_("timestamp requests: %d"), i_outp_icmp|I_TITLE },
- { "OutTimestampReps", N_("timestamp replies: %d"), i_outp_icmp|I_TITLE },
- { "OutAddrMasks", N_("address mask requests: %d"), i_outp_icmp|I_TITLE },
- { "OutAddrMaskReps", N_("address mask replies: %d"), i_outp_icmp|I_TITLE },
+struct entry Icmp6tab[] =
+{
+ {"Icmp6InMsgs", N_("%u ICMP messages received"), number},
+ {"Icmp6InErrors", N_("%u input ICMP message failed."), number},
+ {"Icmp6InDestUnreachs", N_("destination unreachable: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6InPktTooBigs", N_("packets too big: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6InTimeExcds", N_("received ICMPv6 time exceeded: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6InParmProblems", N_("parameter problem: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6InEchos", N_("echo requests: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6InEchoReplies", N_("echo replies: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6InGroupMembQueries", N_("group member queries: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6InGroupMembResponses", N_("group member responses: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6InGroupMembReductions", N_("group member reductions: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6InRouterSolicits", N_("router solicits: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6InRouterAdvertisements", N_("router advertisement: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6InNeighborSolicits", N_("neighbour solicits: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6InNeighborAdvertisements", N_("neighbour advertisement: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6InRedirects", N_("redirects: %u"), i_inp_icmp | I_TITLE},
+ {"Icmp6OutMsgs", N_("%u ICMP messages sent"), number},
+ {"Icmp6OutDestUnreachs", N_("destination unreachable: %u"), i_outp_icmp | I_TITLE},
+ {"Icmp6OutPktTooBigs", N_("packets too big: %u"), i_outp_icmp | I_TITLE},
+ {"Icmp6OutTimeExcds", N_("sent ICMPv6 time exceeded: %u"), i_outp_icmp | I_TITLE},
+ {"Icmp6OutParmProblems", N_("parameter problem: %u"), i_outp_icmp | I_TITLE},
+ {"Icmp6OutEchos", N_("echo requests: %u"), i_outp_icmp | I_TITLE},
+ {"Icmp6OutEchoReplies", N_("echo replies: %u"), i_outp_icmp | I_TITLE},
+ {"Icmp6OutGroupMembQueries", N_("group member queries: %u"), i_outp_icmp | I_TITLE},
+ {"Icmp6OutGroupMembResponses", N_("group member responses: %u"), i_outp_icmp | I_TITLE},
+ {"Icmp6OutGroupMembReductions", N_("group member reductions: %u"), i_outp_icmp | I_TITLE},
+ {"Icmp6OutRouterSolicits", N_("router solicits: %u"), i_outp_icmp | I_TITLE},
+ {"Icmp6OutRouterAdvertisements ", N_("router advertisement: %u"), i_outp_icmp | I_TITLE},
+ {"Icmp6OutNeighborSolicits", N_("neighbor solicits: %u"), i_outp_icmp | I_TITLE},
+ {"Icmp6OutNeighborAdvertisements", N_("neighbor advertisements: %u"), i_outp_icmp | I_TITLE},
+ {"Icmp6OutRedirects", N_("redirects: %u"), i_outp_icmp | I_TITLE},
};
-struct entry Tcptab[] = {
- { "RtoAlgorithm", N_("RTO algorithm is %s"), i_rto_alg|I_STATIC },
- { "RtoMin", "", number },
- { "RtoMax", "", number },
- { "MaxConn", "", number },
- { "ActiveOpens", N_("%d active opens"), number },
- { "PassiveOpens", N_("%d passive opens"), number },
- { "AttemptFails", N_("%d failed connection attempts"), number },
- { "EstabResets", N_("%d connection resets received"), number },
- { "CurrEstab", N_("%d connections established"), number },
- { "InSegs", N_("%d segments received"), number },
- { "OutSegs", N_("%d segments send out"), number },
- { "RetransSegs", N_("%d segments retransmited"), number },
- { "InErrs", N_("%d bad segments received."), number },
- { "OutRsts", N_("%d resets sent"), number },
+struct entry Tcptab[] =
+{
+ {"RtoAlgorithm", N_("RTO algorithm is %s"), i_rto_alg | I_STATIC},
+ {"RtoMin", "", number},
+ {"RtoMax", "", number},
+ {"MaxConn", "", number},
+ {"ActiveOpens", N_("%u active connections openings"), number},
+ {"PassiveOpens", N_("%u passive connection openings"), number},
+ {"AttemptFails", N_("%u failed connection attempts"), number},
+ {"EstabResets", N_("%u connection resets received"), number},
+ {"CurrEstab", N_("%u connections established"), number},
+ {"InSegs", N_("%u segments received"), number},
+ {"OutSegs", N_("%u segments send out"), number},
+ {"RetransSegs", N_("%u segments retransmited"), number},
+ {"InErrs", N_("%u bad segments received."), number},
+ {"OutRsts", N_("%u resets sent"), number},
};
-struct entry Udptab[] = {
- { "InDatagrams", N_("%d packets received"), number },
- { "NoPorts", N_("%d packets to unknown port received."), number },
- { "InErrors", N_("%d packet receive errors"), number },
- { "OutDatagrams", N_("%d packets send"), number },
+struct entry Udptab[] =
+{
+ {"InDatagrams", N_("%u packets received"), number},
+ {"NoPorts", N_("%u packets to unknown port received."), number},
+ {"InErrors", N_("%u packet receive errors"), number},
+ {"OutDatagrams", N_("%u packets sent"), number},
+ {"RcvbufErrors", N_("%u receive buffer errors"), number},
+ {"SndbufErrors", N_("%u send buffer errors"), number},
+ };
+
+struct entry Udp6tab[] =
+{
+ {"Udp6InDatagrams", N_("%u packets received"), number},
+ {"Udp6NoPorts", N_("%u packets to unknown port received."), number},
+ {"Udp6InErrors", N_("%u packet receive errors"), number},
+ {"Udp6OutDatagrams", N_("%u packets sent"), number},
};
-struct tabtab {
- char *title;
- struct entry *tab;
- size_t size;
-};
+struct entry Tcpexttab[] =
+{
+ {"SyncookiesSent", N_("%u SYN cookies sent"), opt_number},
+ {"SyncookiesRecv", N_("%u SYN cookies received"), opt_number},
+ {"SyncookiesFailed", N_("%u invalid SYN cookies received"), opt_number},
+
+ { "EmbryonicRsts", N_("%u resets received for embryonic SYN_RECV sockets"),
+ opt_number },
+ { "PruneCalled", N_("%u packets pruned from receive queue because of socket"
+ " buffer overrun"), opt_number },
+ /* obsolete: 2.2.0 doesn't do that anymore */
+ { "RcvPruned", N_("%u packets pruned from receive queue"), opt_number },
+ { "OfoPruned", N_("%u packets dropped from out-of-order queue because of"
+ " socket buffer overrun"), opt_number },
+ { "OutOfWindowIcmps", N_("%u ICMP packets dropped because they were "
+ "out-of-window"), opt_number },
+ { "LockDroppedIcmps", N_("%u ICMP packets dropped because"
+ " socket was locked"), opt_number },
+ { "TW", N_("%u TCP sockets finished time wait in fast timer"), opt_number },
+ { "TWRecycled", N_("%u time wait sockets recycled by time stamp"), opt_number },
+ { "TWKilled", N_("%u TCP sockets finished time wait in slow timer"), opt_number },
+ { "PAWSPassive", N_("%u passive connections rejected because of"
+ " time stamp"), opt_number },
+ { "PAWSActive", N_("%u active connections rejected because of "
+ "time stamp"), opt_number },
+ { "PAWSEstab", N_("%u packets rejects in established connections because of"
+ " timestamp"), opt_number },
+ { "DelayedACKs", N_("%u delayed acks sent"), opt_number },
+ { "DelayedACKLocked", N_("%u delayed acks further delayed because of"
+ " locked socket"), opt_number },
+ { "DelayedACKLost", N_("Quick ack mode was activated %u times"), opt_number },
+ { "ListenOverflows", N_("%u times the listen queue of a socket overflowed"),
+ opt_number },
+ { "ListenDrops", N_("%u SYNs to LISTEN sockets dropped"), opt_number },
+ { "TCPPrequeued", N_("%u packets directly queued to recvmsg prequeue."),
+ opt_number },
+ { "TCPDirectCopyFromBacklog", N_("%u bytes directly in process context from backlog"), opt_number },
+ { "TCPDirectCopyFromPrequeue", N_("%u bytes directly received in process context from prequeue"),
+ opt_number },
+ { "TCPPrequeueDropped", N_("%u packets dropped from prequeue"), opt_number },
+ { "TCPHPHits", N_("%u packet headers predicted"), number },
+ { "TCPHPHitsToUser", N_("%u packets header predicted and "
+ "directly queued to user"), opt_number },
+ { "SockMallocOOM", N_("Ran %u times out of system memory during "
+ "packet sending"), opt_number },
+ { "TCPPureAcks", N_("%u acknowledgments not containing data payload received"), opt_number },
+ { "TCPHPAcks", N_("%u predicted acknowledgments"), opt_number },
+ { "TCPRenoRecovery", N_("%u times recovered from packet loss due to fast retransmit"), opt_number },
+ { "TCPSackRecovery", N_("%u times recovered from packet loss by selective acknowledgements"), opt_number },
+ { "TCPSACKReneging", N_("%u bad SACK blocks received"), opt_number },
+ { "TCPFACKReorder", N_("Detected reordering %u times using FACK"), opt_number },
+ { "TCPSACKReorder", N_("Detected reordering %u times using SACK"), opt_number },
+ { "TCPTSReorder", N_("Detected reordering %u times using time stamp"), opt_number },
+ { "TCPRenoReorder", N_("Detected reordering %u times using reno fast retransmit"), opt_number },
+ { "TCPFullUndo", N_("%u congestion windows fully recovered without slow start"), opt_number },
+ { "TCPPartialUndo", N_("%u congestion windows partially recovered using Hoe heuristic"), opt_number },
+ { "TCPDSackUndo", N_("%u congestion window recovered without slow start using DSACK"), opt_number },
+ { "TCPLossUndo", N_("%u congestion windows recovered without slow start after partial ack"), opt_number },
+ { "TCPLostRetransmits", N_("%u retransmits lost"), opt_number },
+ { "TCPRenoFailures", N_("%u timeouts after reno fast retransmit"), opt_number },
+ { "TCPSackFailures", N_("%u timeouts after SACK recovery"), opt_number },
+ { "TCPLossFailures", N_("%u timeouts in loss state"), opt_number },
+ { "TCPFastRetrans", N_("%u fast retransmits"), opt_number },
+ { "TCPForwardRetrans", N_("%u forward retransmits"), opt_number },
+ { "TCPSlowStartRetrans", N_("%u retransmits in slow start"), opt_number },
+ { "TCPTimeouts", N_("%u other TCP timeouts"), opt_number },
+ { "TCPRenoRecoveryFailed", N_("%u reno fast retransmits failed"), opt_number },
+ { "TCPSackRecoveryFail", N_("%u SACK retransmits failed"), opt_number },
+ { "TCPSchedulerFailed", N_("%u times receiver scheduled too late for direct processing"), opt_number },
+ { "TCPRcvCollapsed", N_("%u packets collapsed in receive queue due to low socket buffer"), opt_number },
+ { "TCPDSACKOldSent", N_("%u DSACKs sent for old packets"), opt_number },
+ { "TCPDSACKOfoSent", N_("%u DSACKs sent for out of order packets"), opt_number },
+ { "TCPDSACKRecv", N_("%u DSACKs received"), opt_number },
+ { "TCPDSACKOfoRecv", N_("%u DSACKs for out of order packets received"), opt_number },
+ { "TCPAbortOnSyn", N_("%u connections reset due to unexpected SYN"), opt_number },
+ { "TCPAbortOnData", N_("%u connections reset due to unexpected data"), opt_number },
+ { "TCPAbortOnClose", N_("%u connections reset due to early user close"), opt_number },
+ { "TCPAbortOnMemory", N_("%u connections aborted due to memory pressure"), opt_number },
+ { "TCPAbortOnTimeout", N_("%u connections aborted due to timeout"), opt_number },
+ { "TCPAbortOnLinger", N_("%u connections aborted after user close in linger timeout"), opt_number },
+ { "TCPAbortFailed", N_("%u times unabled to send RST due to no memory"), opt_number },
+ { "TCPMemoryPressures", N_("TCP ran low on memory %u times"), opt_number },
+ { "TCPLoss", N_("%u TCP data loss events"), opt_number },
+ { "TCPDSACKUndo", N_("%u congestion windows recovered without slow start by DSACK"),
+ opt_number },
+ { "TCPRenoRecoveryFail", N_("%u classic Reno fast retransmits failed"), opt_number },
+};
-struct tabtab snmptabs[] = {
- { "Ip", Iptab, sizeof(Iptab) },
- { "Icmp", Icmptab, sizeof(Icmptab) },
- { "Tcp", Tcptab, sizeof(Tcptab) },
- { "Udp", Udptab, sizeof(Udptab) },
- { NULL }
-};
+struct tabtab {
+ char *title;
+ struct entry *tab;
+ size_t size;
+ int *flag;
+};
-static char *skiptok(char *s)
+struct tabtab snmptabs[] =
{
- while (!isspace(*s) && *s != '\0')
- s++;
- return s;
-}
+ {"Ip", Iptab, sizeof(Iptab), &f_raw},
+ {"Icmp", Icmptab, sizeof(Icmptab), &f_raw},
+ {"Tcp", Tcptab, sizeof(Tcptab), &f_tcp},
+ {"Udp", Udptab, sizeof(Udptab), &f_udp},
+ {"TcpExt", Tcpexttab, sizeof(Tcpexttab), &f_tcp},
+ {NULL}
+};
+struct tabtab snmp6tabs[] =
+{
+ {"Ip6", Ip6tab, sizeof(Ip6tab), &f_raw},
+ {"Icmp6", Icmp6tab, sizeof(Icmp6tab), &f_raw},
+ {"Udp6", Udp6tab, sizeof(Udp6tab), &f_udp},
+ {"Tcp6", Tcptab, sizeof(Tcptab), &f_tcp},
+ {NULL}
+};
-/* XXX IGMP */
+/* XXX IGMP */
int cmpentries(const void *a, const void *b)
{
- return strcmp( ((struct entry*)a)->title, ((struct entry*)b)->title);
+ return strcmp(((struct entry *) a)->title, ((struct entry *) b)->title);
}
-void printval(struct tabtab *tab, char *title, int val)
+void printval(struct tabtab *tab, char *title, int val)
{
- struct entry *ent, key;
- int type;
- char buf[512];
-
- key.title = title;
- ent = bsearch(&key, tab->tab, tab->size/sizeof(struct entry),
- sizeof(struct entry), cmpentries);
- if (!ent) { /* try our best */
- printf("%*s%s: %d\n", indent[state], "", title, val);
- return;
- }
- type = ent->type;
- if (type & I_STATIC) {
- type &= ~I_STATIC;
- if (!print_static)
- return;
+ struct entry *ent = NULL, key;
+ int type;
+ char buf[512];
+
+ key.title = title;
+ if (tab->tab)
+ ent = bsearch(&key, tab->tab, tab->size / sizeof(struct entry),
+ sizeof(struct entry), cmpentries);
+ if (!ent) { /* try our best */
+ if (val)
+ printf("%*s%s: %d\n", states[state].indent, "", title, val);
+ return;
+ }
+ type = ent->type;
+ if (type & I_STATIC) {
+ type &= ~I_STATIC;
+ if (!print_static)
+ return;
+ }
+ if (*ent->out == '\0')
+ return;
+
+ if (type & I_TITLE) {
+ type &= ~I_TITLE;
+ if (state != type)
+ printf("%*s%s\n", states[state].indent, "", _(states[type].title));
+ }
+ buf[0] = '\0';
+ switch (type) {
+ case opt_number:
+ if (val == 0)
+ break;
+ /*FALL THOUGH*/
+ case number:
+ snprintf(buf, sizeof(buf), _(ent->out), val);
+ break;
+ case i_forward:
+ type = normal;
+ snprintf(buf, sizeof(buf), _(ent->out), val == 2 ? _("enabled") : _("disabled"));
+ break;
+ case i_outp_icmp:
+ case i_inp_icmp:
+ if (val > 0)
+ snprintf(buf, sizeof(buf), _(ent->out), val);
+ break;
+ case i_rto_alg: /* XXXX */
+ break;
+ default:
+ abort();
+ }
+ if (buf[0])
+ printf("%*s%s\n", states[type].indent, "", buf);
+
+ state = type;
+}
+
+struct tabtab *newtable(struct tabtab *tabs, char *title)
+{
+ struct tabtab *t;
+ static struct tabtab dummytab;
+
+ for (t = tabs; t->title; t++) {
+ if (!strcmp(title, t->title)) {
+ if (*(t->flag))
+ printf("%s:\n", _(title));
+ state = normal;
+ return t;
+ }
}
- if (*ent->out == '\0')
- return;
+ if (!f_unknown)
+ return NULL;
+ printf("%s:\n", _(title));
+ dummytab.title = title;
+ dummytab.flag = &f_unknown;
+ return &dummytab;
+}
- if (type & I_TITLE) {
- type &= ~I_TITLE;
- if (state != type)
- printf("%*s%s\n", indent[state], "", _(titles[type]));
+int process_fd(FILE *f, int all, char *filter)
+{
+ char buf1[2048], buf2[2048];
+ char *sp, *np, *p;
+ while (fgets(buf1, sizeof buf1, f)) {
+ int endflag;
+ struct tabtab *tab;
+
+ if (buf1[0] == '\n') // skip empty first line in 2.6 kernels
+ continue;
+
+ if (!fgets(buf2, sizeof buf2, f))
+ break;
+ sp = strchr(buf1, ':');
+ np = strchr(buf2, ':');
+ if (!np || !sp)
+ goto formaterr;
+ *sp = '\0';
+
+ if (!all)
+ if (strncmp(buf1, filter, strlen(filter)))
+ continue;
+
+ tab = newtable(snmptabs, buf1);
+ if (tab == NULL) {
+ printf("unknown %s\n", buf1);
+ continue;
}
+ np++;
+ sp++;
+
+ endflag = 0;
+ while (!endflag) {
+ sp += strspn(sp, " \t\n");
+ np += strspn(np, " \t\n");
+ /*if (*np == '\0') goto formaterr; */
+
+ p = sp+strcspn(sp, " \t\n");
+ if (*p == '\0')
+ endflag = 1;
+ *p = '\0';
+
+ if (*sp != '\0' && *(tab->flag))
+ printval(tab, sp, strtoul(np, &np, 10));
- buf[0] = '\0';
- switch (type) {
- case number:
- snprintf(buf, sizeof(buf), _(ent->out), val);
- break;
- case i_forward:
- type = normal;
- snprintf(buf, sizeof(buf), _(ent->out), val == 2 ? _("enabled") : _("disabled"));
- break;
- case i_outp_icmp:
- case i_inp_icmp:
- if (val > 0)
- snprintf(buf, sizeof(buf), _(ent->out), val);
- break;
- case i_rto_alg: /* XXXX */
- break;
- default:
- abort();
+ sp = p + 1;
}
- if (buf[0])
- printf("%*s%s\n",indent[type],"", buf);
-
- state = type;
+ }
+ return 0;
+
+formaterr:
+ return -1;
}
-struct tabtab *newtable(struct tabtab *tabs, char *title)
+void cpytitle(char *original, char *new)
{
- struct tabtab *t;
+ char *ptr = original;
+ while(*ptr != '6' && *ptr != '\0') {
+ *new = *ptr;
+ new++;
+ ptr++;
+ }
+ *new = *ptr;
+ new++;
+ *new = '\0';
+}
+
+void process6_fd(FILE *f)
+{
+ char buf1[1024],buf2[50],buf3[1024];
+ unsigned long val;
+ struct tabtab *tab = NULL;
+ int cpflg = 0;
+
+ while (fgets(buf1, sizeof buf1, f)) {
+ sscanf(buf1, "%s %lu", buf2, &val);
+ if(!cpflg) {
+ cpytitle(buf2, buf3);
+ tab = newtable(snmp6tabs, buf3);
+ cpflg = 1;
+ }
+ if(!strstr(buf2, buf3)) {
+ cpytitle(buf2, buf3);
+ tab = newtable(snmp6tabs, buf3);
+ }
+ if (*(tab->flag))
+ printval(tab, buf2, val);
+ }
- for (t = tabs; t->title; t++)
- if (!strcmp(title, t->title)) {
- printf("%s:\n", _(title));
- state = normal;
- return t;
- }
- return NULL;
}
-void parsesnmp()
+void parsesnmp(int flag_raw, int flag_tcp, int flag_udp)
{
- FILE *f;
- char buf1[512], buf2[512];
- char *sp, *np, *p;
-
- f = fopen("/proc/net/snmp", "r");
- if (!f) {
- perror(_("cannot open /proc/net/snmp"));
- return;
- }
- while (fgets(buf1,sizeof buf1,f)) {
- int endflag;
- struct tabtab *tab;
-
- if (!fgets(buf2,sizeof buf2,f)) break;
- sp = strchr(buf1, ':');
- np = strchr(buf2, ':');
- if (!np || !sp)
- goto formaterr;
- *sp = '\0';
- tab = newtable(snmptabs, buf1);
- if (tab == NULL) {
- UFWARN((printf(_("unknown title %s\n"), buf1)));
- continue;
- }
- np++; sp++;
-
- endflag = 0;
- while (!endflag) {
- while(isspace(*sp)) sp++;
- while(isspace(*np)) np++;
- /*if (*np == '\0') goto formaterr;*/
-
- p = skiptok(sp);
- if (*p == '\0') endflag=1;
- *p = '\0';
-
- if (*sp != '\0') /* XXX */
- printval(tab, sp, strtoul(np,&np,10));
- sp = p+1;
- }
- }
- if (ferror(f))
- perror("/proc/net/snmp");
- fclose(f);
- return;
-
-formaterr:
- perror(_("error parsing /proc/net/snmp"));
- return;
+ FILE *f;
+
+ f_raw = flag_raw; f_tcp = flag_tcp; f_udp = flag_udp;
+
+ f = proc_fopen("/proc/net/snmp");
+ if (!f) {
+ perror(_("cannot open /proc/net/snmp"));
+ return;
+ }
+
+ if (process_fd(f, 1, NULL) < 0)
+ fprintf(stderr, _("Problem while parsing /proc/net/snmp\n"));
+
+ if (ferror(f))
+ perror("/proc/net/snmp");
+
+ fclose(f);
+
+ f = proc_fopen("/proc/net/netstat");
+
+ if (f) {
+ if (process_fd(f, 1, NULL) <0)
+ fprintf(stderr, _("Problem while parsing /proc/net/netstat\n"));
+
+ if (ferror(f))
+ perror("/proc/net/netstat");
+
+ fclose(f);
+ }
+ return;
}
+
+void parsesnmp6(int flag_raw, int flag_tcp, int flag_udp)
+{
+ FILE *f;
+
+ f_raw = flag_raw; f_tcp = flag_tcp; f_udp = flag_udp;
+
+ f = fopen("/proc/net/snmp6", "r");
+ if (!f) {
+ perror(_("cannot open /proc/net/snmp6"));
+ return;
+ }
+ process6_fd(f);
+ if (ferror(f))
+ perror("/proc/net/snmp6");
+
+ fclose(f);
+ f = fopen("/proc/net/snmp", "r");
+ if (!f) {
+ perror(_("cannot open /proc/net/snmp"));
+ return;
+ }
+ process_fd(f, 0, "Tcp");
+ if (ferror(f))
+ perror("/proc/net/snmp");
+
+ fclose(f);
+}
+
+void inittab(void)
+{
+ struct tabtab *t;
-void inittab()
+ /* we sort at runtime because I'm lazy ;) */
+ for (t = snmptabs; t->title; t++)
+ qsort(t->tab, t->size / sizeof(struct entry),
+ sizeof(struct entry), cmpentries);
+}
+
+void inittab6(void)
{
- struct tabtab *t;
-
- /* we sort at runtime because I'm lazy ;) */
- for (t = snmptabs; t->title; t++)
- qsort(t->tab, t->size/sizeof(struct entry),
- sizeof(struct entry), cmpentries);
+ struct tabtab *t;
+
+ for (t = snmp6tabs; t->title; t++)
+ qsort(t->tab, t->size / sizeof(struct entry),
+ sizeof(struct entry), cmpentries);
}
+