/* * 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 * 19981113 - i18n fixes - Arnaldo Carvalho de Melo * 19990101 - added net/netstat, -t, -u, -w supprt - Bernd Eckenfels */ #include #include #include #include #include "config.h" #include "intl.h" #include "proc.h" /* #define WARN 1 */ #ifdef WARN #define UFWARN(x) x #else #define UFWARN(x) #endif 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 }; #define normal number struct entry { 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; #define I_STATIC (1<<16) /* static configuration option. */ #define I_TITLE (1<<17) /* * 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} }; 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} }; 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 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_("%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_("%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 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 { char *title; struct entry *tab; size_t size; int *flag; }; struct tabtab snmptabs[] = { {"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 */ int cmpentries(const void *a, const void *b) { return strcmp(((struct entry *) a)->title, ((struct entry *) b)->title); } void printval(struct tabtab *tab, char *title, int val) { 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 (!f_unknown) return NULL; printf("%s:\n", _(title)); dummytab.title = title; dummytab.flag = &f_unknown; return &dummytab; } 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)); sp = p + 1; } } return 0; formaterr: return -1; } void cpytitle(char *original, char *new) { 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); } } void parsesnmp(int flag_raw, int flag_tcp, int flag_udp) { 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; /* 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; for (t = snmp6tabs; t->title; t++) qsort(t->tab, t->size / sizeof(struct entry), sizeof(struct entry), cmpentries); }