void OSGDebugDrawInterface::AddAxes(const dtEntity::Matrix& m, const dtEntity::Vec4f& color, float size, float duration, bool depthTestEnabled) { float arroww = 0.1f; osg::Vec3 p0(0, 0, 0); osg::Vec3 p1(0, 0, 1); osg::Vec3 p2(0, 1, 0); osg::Vec3 p3(1, 0, 0); osg::Vec3 p1a(arroww, 0, 1 - arroww); osg::Vec3 p1b(-arroww, 0, 1 - arroww); osg::Vec3 p2a(arroww, 1 - arroww, 0); osg::Vec3 p2b(-arroww, 1 - arroww, 0); osg::Vec3 p3a(1 - arroww, 0, arroww); osg::Vec3 p3b(1 - arroww, 0, -arroww); std::vector<osg::Vec3> lines(18); lines[0] = m * p0; lines[1] = m * p1; lines[2] = m * p0; lines[3] = m * p2; lines[4] = m * p0; lines[5] = m * p3; lines[6] = m * p1; lines[7] = m * p1a; lines[8] = m * p1; lines[9] = m * p1b; lines[10] = m * p2; lines[11] = m * p2a; lines[12] = m * p2; lines[13] = m * p2b; lines[14] = m * p3; lines[15] = m * p3a; lines[16] = m * p3; lines[17] = m * p3b; AddLines(lines, color, size, duration, depthTestEnabled); }
QPolygonF UBGeometryUtils::lineToPolygon(const QPointF& pStart, const QPointF& pEnd, const qreal& pStartWidth, const qreal& pEndWidth) { qreal x1 = pStart.x(); qreal y1 = pStart.y(); qreal x2 = pEnd.x(); qreal y2 = pEnd.y(); QLineF line(pStart, pEnd); qreal alpha = (90.0 - line.angle()) * PI / 180.0; qreal hypothenuseStart = pStartWidth / 2; qreal hypothenuseEnd = pEndWidth / 2; qreal sinAlpha = sin(alpha); qreal cosAlpha = cos(alpha); // TODO UB 4.x PERF cache sin/cos table qreal oppositeStart = sinAlpha * hypothenuseStart; qreal adjacentStart = cosAlpha * hypothenuseStart; QPointF p1a(x1 - adjacentStart, y1 - oppositeStart); QPointF p1b(x1 + adjacentStart, y1 + oppositeStart); qreal oppositeEnd = sinAlpha * hypothenuseEnd; qreal adjacentEnd = cosAlpha * hypothenuseEnd; QPointF p2a(x2 - adjacentEnd, y2 - oppositeEnd); QPainterPath painterPath; painterPath.moveTo(p1a); painterPath.lineTo(p2a); painterPath.arcTo(x2 - hypothenuseEnd, y2 - hypothenuseEnd, pEndWidth, pEndWidth, (90.0 + line.angle()), -180.0); painterPath.lineTo(p1b); painterPath.arcTo(x1 - hypothenuseStart, y1 - hypothenuseStart, pStartWidth, pStartWidth, -1 * (90.0 - line.angle()), -180.0); painterPath.closeSubpath(); return painterPath.toFillPolygon(); }
int mossa(int numero1, int numero2, int giocatore) { int risultato; if(giocatore==1) { risultato = p1a(numero1, numero2); risultato = p1b(risultato); } else { risultato = p2a(numero1, numero2); risultato = p2b(risultato); } giocatore=3-giocatore; if(decodifica1(risultato)<3 || decodifica2(risultato)<3) return giocatore; return mossa(decodifica1(risultato), decodifica2(risultato), giocatore); }
QPolygonF UBGeometryUtils::lineToPolygon(const QLineF& pLine, const qreal& pWidth) { qreal x1 = pLine.x1(); qreal y1 = pLine.y1(); qreal x2 = pLine.x2(); qreal y2 = pLine.y2(); qreal alpha = (90.0 - pLine.angle()) * PI / 180.0; qreal hypothenuse = pWidth / 2; // TODO UB 4.x PERF cache sin/cos table qreal opposite = sin(alpha) * hypothenuse; qreal adjacent = cos(alpha) * hypothenuse; QPointF p1a(x1 - adjacent, y1 - opposite); QPointF p1b(x1 + adjacent, y1 + opposite); QPointF p2a(x2 - adjacent, y2 - opposite); QPointF p2b(x2 + adjacent, y2 + opposite); QPainterPath painterPath; painterPath.moveTo(p1a); painterPath.lineTo(p2a); painterPath.arcTo(x2 - hypothenuse, y2 - hypothenuse, pWidth, pWidth, (90.0 + pLine.angle()), -180.0); //painterPath.lineTo(p2b); painterPath.lineTo(p1b); painterPath.arcTo(x1 - hypothenuse, y1 - hypothenuse, pWidth, pWidth, -1 * (90.0 - pLine.angle()), -180.0); painterPath.closeSubpath(); return painterPath.toFillPolygon(); }
/* * Dump TCP statistics structure. */ void tcp_stats(char *name) { struct tcpstat tcpstat; int mib[] = { CTL_NET, PF_INET, IPPROTO_TCP, TCPCTL_STATS }; size_t len = sizeof(tcpstat); if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), &tcpstat, &len, NULL, 0) == -1) { if (errno != ENOPROTOOPT) warn("%s", name); return; } printf("%s:\n", name); #define p(f, m) if (tcpstat.f || sflag <= 1) \ printf(m, tcpstat.f, plural(tcpstat.f)) #define p1(f, m) if (tcpstat.f || sflag <= 1) \ printf(m, tcpstat.f) #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2)) #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2) #define p3(f, m) if (tcpstat.f || sflag <= 1) \ printf(m, tcpstat.f, plurales(tcpstat.f)) p(tcps_sndtotal, "\t%u packet%s sent\n"); p2(tcps_sndpack,tcps_sndbyte, "\t\t%u data packet%s (%qd byte%s)\n"); p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t%u data packet%s (%qd byte%s) retransmitted\n"); p(tcps_sndrexmitfast, "\t\t%qd fast retransmitted packet%s\n"); p2a(tcps_sndacks, tcps_delack, "\t\t%u ack-only packet%s (%u delayed)\n"); p(tcps_sndurg, "\t\t%u URG only packet%s\n"); p(tcps_sndprobe, "\t\t%u window probe packet%s\n"); p(tcps_sndwinup, "\t\t%u window update packet%s\n"); p(tcps_sndctrl, "\t\t%u control packet%s\n"); p(tcps_outswcsum, "\t\t%u packet%s software-checksummed\n"); p(tcps_rcvtotal, "\t%u packet%s received\n"); p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%u ack%s (for %qd byte%s)\n"); p(tcps_rcvdupack, "\t\t%u duplicate ack%s\n"); p(tcps_rcvacktoomuch, "\t\t%u ack%s for unsent data\n"); p(tcps_rcvacktooold, "\t\t%u ack%s for old data\n"); p2(tcps_rcvpack, tcps_rcvbyte, "\t\t%u packet%s (%qu byte%s) received in-sequence\n"); p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t%u completely duplicate packet%s (%qd byte%s)\n"); p(tcps_pawsdrop, "\t\t%u old duplicate packet%s\n"); p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t%u packet%s with some duplicate data (%qd byte%s duplicated)\n"); p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t%u out-of-order packet%s (%qd byte%s)\n"); p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t%u packet%s (%qd byte%s) of data after window\n"); p(tcps_rcvwinprobe, "\t\t%u window probe%s\n"); p(tcps_rcvwinupd, "\t\t%u window update packet%s\n"); p(tcps_rcvafterclose, "\t\t%u packet%s received after close\n"); p(tcps_rcvbadsum, "\t\t%u discarded for bad checksum%s\n"); p(tcps_rcvbadoff, "\t\t%u discarded for bad header offset field%s\n"); p1(tcps_rcvshort, "\t\t%u discarded because packet too short\n"); p1(tcps_rcvnosec, "\t\t%u discarded for missing IPsec protection\n"); p1(tcps_rcvmemdrop, "\t\t%u discarded due to memory shortage\n"); p(tcps_inswcsum, "\t\t%u packet%s software-checksummed\n"); p(tcps_rcvbadsig, "\t\t%u bad/missing md5 checksum%s\n"); p(tcps_rcvgoodsig, "\t\t%qd good md5 checksum%s\n"); p(tcps_connattempt, "\t%u connection request%s\n"); p(tcps_accepts, "\t%u connection accept%s\n"); p(tcps_connects, "\t%u connection%s established (including accepts)\n"); p2(tcps_closed, tcps_drops, "\t%u connection%s closed (including %u drop%s)\n"); p(tcps_conndrained, "\t%qd connection%s drained\n"); p(tcps_conndrops, "\t%u embryonic connection%s dropped\n"); p2(tcps_rttupdated, tcps_segstimed, "\t%u segment%s updated rtt (of %u attempt%s)\n"); p(tcps_rexmttimeo, "\t%u retransmit timeout%s\n"); p(tcps_timeoutdrop, "\t\t%u connection%s dropped by rexmit timeout\n"); p(tcps_persisttimeo, "\t%u persist timeout%s\n"); p(tcps_keeptimeo, "\t%u keepalive timeout%s\n"); p(tcps_keepprobe, "\t\t%u keepalive probe%s sent\n"); p(tcps_keepdrops, "\t\t%u connection%s dropped by keepalive\n"); p(tcps_predack, "\t%u correct ACK header prediction%s\n"); p(tcps_preddat, "\t%u correct data packet header prediction%s\n"); p3(tcps_pcbhashmiss, "\t%u PCB cache miss%s\n"); p(tcps_ecn_accepts, "\t%u ECN connection%s accepted\n"); p(tcps_ecn_rcvece, "\t\t%u ECE packet%s received\n"); p(tcps_ecn_rcvcwr, "\t\t%u CWR packet%s received\n"); p(tcps_ecn_rcvce, "\t\t%u CE packet%s received\n"); p(tcps_ecn_sndect, "\t\t%u ECT packet%s sent\n"); p(tcps_ecn_sndece, "\t\t%u ECE packet%s sent\n"); p(tcps_ecn_sndcwr, "\t\t%u CWR packet%s sent\n"); p1(tcps_cwr_frecovery, "\t\t\tcwr by fastrecovery: %u\n"); p1(tcps_cwr_timeout, "\t\t\tcwr by timeout: %u\n"); p1(tcps_cwr_ecn, "\t\t\tcwr by ecn: %u\n"); p(tcps_badsyn, "\t%u bad connection attempt%s\n"); p1(tcps_sc_added, "\t%qd SYN cache entries added\n"); p(tcps_sc_collisions, "\t\t%qd hash collision%s\n"); p1(tcps_sc_completed, "\t\t%qd completed\n"); p1(tcps_sc_aborted, "\t\t%qd aborted (no space to build PCB)\n"); p1(tcps_sc_timed_out, "\t\t%qd timed out\n"); p1(tcps_sc_overflowed, "\t\t%qd dropped due to overflow\n"); p1(tcps_sc_bucketoverflow, "\t\t%qd dropped due to bucket overflow\n"); p1(tcps_sc_reset, "\t\t%qd dropped due to RST\n"); p1(tcps_sc_unreach, "\t\t%qd dropped due to ICMP unreachable\n"); p(tcps_sc_retransmitted, "\t%qd SYN,ACK%s retransmitted\n"); p(tcps_sc_dupesyn, "\t%qd duplicate SYN%s received for entries " "already in the cache\n"); p(tcps_sc_dropped, "\t%qd SYN%s dropped (no route or no space)\n"); p(tcps_sack_recovery_episode, "\t%qd SACK recovery episode%s\n"); p(tcps_sack_rexmits, "\t\t%qd segment rexmit%s in SACK recovery episodes\n"); p(tcps_sack_rexmit_bytes, "\t\t%qd byte rexmit%s in SACK recovery episodes\n"); p(tcps_sack_rcv_opts, "\t%qd SACK option%s received\n"); p(tcps_sack_snd_opts, "\t%qd SACK option%s sent\n"); #undef p #undef p1 #undef p2 #undef p2a #undef p3 }
/* * Dump TCP statistics structure. */ void tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) { struct tcpstat tcpstat; uint64_t tcps_states[TCP_NSTATES]; #ifdef INET6 if (tcp_done != 0) return; else tcp_done = 1; #endif if (fetch_stats("net.inet.tcp.stats", off, &tcpstat, sizeof(tcpstat), kread_counters) != 0) return; if (fetch_stats_ro("net.inet.tcp.states", nl[N_TCPS_STATES].n_value, &tcps_states, sizeof(tcps_states), kread_counters) != 0) return; xo_open_container("tcp"); xo_emit("{T:/%s}:\n", name); #define p(f, m) if (tcpstat.f || sflag <= 1) \ xo_emit(m, (uintmax_t )tcpstat.f, plural(tcpstat.f)) #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ xo_emit(m, (uintmax_t )tcpstat.f) #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ (uintmax_t )tcpstat.f2, plural(tcpstat.f2)) #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ xo_emit(m, (uintmax_t )tcpstat.f1, plural(tcpstat.f1), \ (uintmax_t )tcpstat.f2) #define p3(f, m) if (tcpstat.f || sflag <= 1) \ xo_emit(m, (uintmax_t )tcpstat.f, pluralies(tcpstat.f)) p(tcps_sndtotal, "\t{:sent-packets/%ju} {N:/packet%s sent}\n"); p2(tcps_sndpack,tcps_sndbyte, "\t\t{:sent-data-packets/%ju} " "{N:/data packet%s} ({:sent-data-bytes/%ju} {N:/byte%s})\n"); p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t" "{:sent-retransmitted-packets/%ju} {N:/data packet%s} " "({:sent-retransmitted-bytes/%ju} {N:/byte%s}) " "{N:retransmitted}\n"); p(tcps_sndrexmitbad, "\t\t" "{:sent-unnecessary-retransmitted-packets/%ju} " "{N:/data packet%s unnecessarily retransmitted}\n"); p(tcps_mturesent, "\t\t{:sent-resends-by-mtu-discovery/%ju} " "{N:/resend%s initiated by MTU discovery}\n"); p2a(tcps_sndacks, tcps_delack, "\t\t{:sent-ack-only-packets/%ju} " "{N:/ack-only packet%s/} ({:sent-packets-delayed/%ju} " "{N:delayed})\n"); p(tcps_sndurg, "\t\t{:sent-urg-only-packets/%ju} " "{N:/URG only packet%s}\n"); p(tcps_sndprobe, "\t\t{:sent-window-probe-packets/%ju} " "{N:/window probe packet%s}\n"); p(tcps_sndwinup, "\t\t{:sent-window-update-packets/%ju} " "{N:/window update packet%s}\n"); p(tcps_sndctrl, "\t\t{:sent-control-packets/%ju} " "{N:/control packet%s}\n"); p(tcps_rcvtotal, "\t{:received-packets/%ju} " "{N:/packet%s received}\n"); p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t" "{:received-ack-packets/%ju} {N:/ack%s} " "{N:(for} {:received-ack-bytes/%ju} {N:/byte%s})\n"); p(tcps_rcvdupack, "\t\t{:received-duplicate-acks/%ju} " "{N:/duplicate ack%s}\n"); p(tcps_rcvacktoomuch, "\t\t{:received-acks-for-unsent-data/%ju} " "{N:/ack%s for unsent data}\n"); p2(tcps_rcvpack, tcps_rcvbyte, "\t\t" "{:received-in-sequence-packets/%ju} {N:/packet%s} " "({:received-in-sequence-bytes/%ju} {N:/byte%s}) " "{N:received in-sequence}\n"); p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t" "{:received-completely-duplicate-packets/%ju} " "{N:/completely duplicate packet%s} " "({:received-completely-duplicate-bytes/%ju} {N:/byte%s})\n"); p(tcps_pawsdrop, "\t\t{:received-old-duplicate-packets/%ju} " "{N:/old duplicate packet%s}\n"); p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t" "{:received-some-duplicate-packets/%ju} " "{N:/packet%s with some dup. data} " "({:received-some-duplicate-bytes/%ju} {N:/byte%s duped/})\n"); p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t{:received-out-of-order/%ju} " "{N:/out-of-order packet%s} " "({:received-out-of-order-bytes/%ju} {N:/byte%s})\n"); p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t" "{:received-after-window-packets/%ju} {N:/packet%s} " "({:received-after-window-bytes/%ju} {N:/byte%s}) " "{N:of data after window}\n"); p(tcps_rcvwinprobe, "\t\t{:received-window-probes/%ju} " "{N:/window probe%s}\n"); p(tcps_rcvwinupd, "\t\t{:receive-window-update-packets/%ju} " "{N:/window update packet%s}\n"); p(tcps_rcvafterclose, "\t\t{:received-after-close-packets/%ju} " "{N:/packet%s received after close}\n"); p(tcps_rcvbadsum, "\t\t{:discard-bad-checksum/%ju} " "{N:/discarded for bad checksum%s}\n"); p(tcps_rcvbadoff, "\t\t{:discard-bad-header-offset/%ju} " "{N:/discarded for bad header offset field%s}\n"); p1a(tcps_rcvshort, "\t\t{:discard-too-short/%ju} " "{N:discarded because packet too short}\n"); p1a(tcps_rcvmemdrop, "\t\t{:discard-memory-problems/%ju} " "{N:discarded due to memory problems}\n"); p(tcps_connattempt, "\t{:connection-requests/%ju} " "{N:/connection request%s}\n"); p(tcps_accepts, "\t{:connections-accepts/%ju} " "{N:/connection accept%s}\n"); p(tcps_badsyn, "\t{:bad-connection-attempts/%ju} " "{N:/bad connection attempt%s}\n"); p(tcps_listendrop, "\t{:listen-queue-overflows/%ju} " "{N:/listen queue overflow%s}\n"); p(tcps_badrst, "\t{:ignored-in-window-resets/%ju} " "{N:/ignored RSTs in the window%s}\n"); p(tcps_connects, "\t{:connections-established/%ju} " "{N:/connection%s established (including accepts)}\n"); p(tcps_usedrtt, "\t\t{:connections-hostcache-rtt/%ju} " "{N:/time%s used RTT from hostcache}\n"); p(tcps_usedrttvar, "\t\t{:connections-hostcache-rttvar/%ju} " "{N:/time%s used RTT variance from hostcache}\n"); p(tcps_usedssthresh, "\t\t{:connections-hostcache-ssthresh/%ju} " "{N:/time%s used slow-start threshold from hostcache}\n"); p2(tcps_closed, tcps_drops, "\t{:connections-closed/%ju} " "{N:/connection%s closed (including} " "{:connection-drops/%ju} {N:/drop%s})\n"); p(tcps_cachedrtt, "\t\t{:connections-updated-rtt-on-close/%ju} " "{N:/connection%s updated cached RTT on close}\n"); p(tcps_cachedrttvar, "\t\t" "{:connections-updated-variance-on-close/%ju} " "{N:/connection%s updated cached RTT variance on close}\n"); p(tcps_cachedssthresh, "\t\t" "{:connections-updated-ssthresh-on-close/%ju} " "{N:/connection%s updated cached ssthresh on close}\n"); p(tcps_conndrops, "\t{:embryonic-connections-dropped/%ju} " "{N:/embryonic connection%s dropped}\n"); p2(tcps_rttupdated, tcps_segstimed, "\t{:segments-updated-rtt/%ju} " "{N:/segment%s updated rtt (of} " "{:segment-update-attempts/%ju} {N:/attempt%s})\n"); p(tcps_rexmttimeo, "\t{:retransmit-timeouts/%ju} " "{N:/retransmit timeout%s}\n"); p(tcps_timeoutdrop, "\t\t" "{:connections-dropped-by-retransmit-timeout/%ju} " "{N:/connection%s dropped by rexmit timeout}\n"); p(tcps_persisttimeo, "\t{:persist-timeout/%ju} " "{N:/persist timeout%s}\n"); p(tcps_persistdrop, "\t\t" "{:connections-dropped-by-persist-timeout/%ju} " "{N:/connection%s dropped by persist timeout}\n"); p(tcps_finwait2_drops, "\t" "{:connections-dropped-by-finwait2-timeout/%ju} " "{N:/Connection%s (fin_wait_2) dropped because of timeout}\n"); p(tcps_keeptimeo, "\t{:keepalive-timeout/%ju} " "{N:/keepalive timeout%s}\n"); p(tcps_keepprobe, "\t\t{:keepalive-probes/%ju} " "{N:/keepalive probe%s sent}\n"); p(tcps_keepdrops, "\t\t{:connections-dropped-by-keepalives/%ju} " "{N:/connection%s dropped by keepalive}\n"); p(tcps_predack, "\t{:ack-header-predictions/%ju} " "{N:/correct ACK header prediction%s}\n"); p(tcps_preddat, "\t{:data-packet-header-predictions/%ju} " "{N:/correct data packet header prediction%s}\n"); xo_open_container("syncache"); p3(tcps_sc_added, "\t{:entries-added/%ju} " "{N:/syncache entr%s added}\n"); p1a(tcps_sc_retransmitted, "\t\t{:retransmitted/%ju} " "{N:/retransmitted}\n"); p1a(tcps_sc_dupsyn, "\t\t{:duplicates/%ju} {N:/dupsyn}\n"); p1a(tcps_sc_dropped, "\t\t{:dropped/%ju} {N:/dropped}\n"); p1a(tcps_sc_completed, "\t\t{:completed/%ju} {N:/completed}\n"); p1a(tcps_sc_bucketoverflow, "\t\t{:bucket-overflow/%ju} " "{N:/bucket overflow}\n"); p1a(tcps_sc_cacheoverflow, "\t\t{:cache-overflow/%ju} " "{N:/cache overflow}\n"); p1a(tcps_sc_reset, "\t\t{:reset/%ju} {N:/reset}\n"); p1a(tcps_sc_stale, "\t\t{:stale/%ju} {N:/stale}\n"); p1a(tcps_sc_aborted, "\t\t{:aborted/%ju} {N:/aborted}\n"); p1a(tcps_sc_badack, "\t\t{:bad-ack/%ju} {N:/badack}\n"); p1a(tcps_sc_unreach, "\t\t{:unreachable/%ju} {N:/unreach}\n"); p(tcps_sc_zonefail, "\t\t{:zone-failures/%ju} {N:/zone failure%s}\n"); p(tcps_sc_sendcookie, "\t{:sent-cookies/%ju} {N:/cookie%s sent}\n"); p(tcps_sc_recvcookie, "\t{:receivd-cookies/%ju} " "{N:/cookie%s received}\n"); xo_close_container("syncache"); xo_open_container("hostcache"); p3(tcps_hc_added, "\t{:entries-added/%ju} " "{N:/hostcache entr%s added}\n"); p1a(tcps_hc_bucketoverflow, "\t\t{:buffer-overflows/%ju} " "{N:/bucket overflow}\n"); xo_close_container("hostcache"); xo_open_container("sack"); p(tcps_sack_recovery_episode, "\t{:recovery-episodes/%ju} " "{N:/SACK recovery episode%s}\n"); p(tcps_sack_rexmits, "\t{:segment-retransmits/%ju} " "{N:/segment rexmit%s in SACK recovery episodes}\n"); p(tcps_sack_rexmit_bytes, "\t{:byte-retransmits/%ju} " "{N:/byte rexmit%s in SACK recovery episodes}\n"); p(tcps_sack_rcv_blocks, "\t{:received-blocks/%ju} " "{N:/SACK option%s (SACK blocks) received}\n"); p(tcps_sack_send_blocks, "\t{:sent-option-blocks/%ju} " "{N:/SACK option%s (SACK blocks) sent}\n"); p1a(tcps_sack_sboverflow, "\t{:scoreboard-overflows/%ju} " "{N:/SACK scoreboard overflow}\n"); xo_close_container("sack"); xo_open_container("ecn"); p(tcps_ecn_ce, "\t{:ce-packets/%ju} " "{N:/packet%s with ECN CE bit set}\n"); p(tcps_ecn_ect0, "\t{:ect0-packets/%ju} " "{N:/packet%s with ECN ECT(0) bit set}\n"); p(tcps_ecn_ect1, "\t{:ect1-packets/%ju} " "{N:/packet%s with ECN ECT(1) bit set}\n"); p(tcps_ecn_shs, "\t{:handshakes/%ju} " "{N:/successful ECN handshake%s}\n"); p(tcps_ecn_rcwnd, "\t{:congestion-reductions/%ju} " "{N:/time%s ECN reduced the congestion window}\n"); xo_close_container("ecn"); xo_open_container("tcp-signature"); p(tcps_sig_rcvgoodsig, "\t{:received-good-signature/%ju} " "{N:/packet%s with matching signature received}\n"); p(tcps_sig_rcvbadsig, "\t{:received-bad-signature/%ju} " "{N:/packet%s with bad signature received}\n"); p(tcps_sig_err_buildsig, "\t{:failed-make-signature/%ju} " "{N:/time%s failed to make signature due to no SA}\n"); p(tcps_sig_err_sigopt, "\t{:no-signature-expected/%ju} " "{N:/time%s unexpected signature received}\n"); p(tcps_sig_err_nosigopt, "\t{:no-signature-provided/%ju} " "{N:/time%s no signature provided by segment}\n"); #undef p #undef p1a #undef p2 #undef p2a #undef p3 xo_close_container("tcp-signature"); xo_open_container("TCP connection count by state"); xo_emit("{T:/TCP connection count by state}:\n"); for (int i = 0; i < TCP_NSTATES; i++) { /* * XXXGL: is there a way in libxo to use %s * in the "content string" of a format * string? I failed to do that, that's why * a temporary buffer is used to construct * format string for xo_emit(). */ char fmtbuf[80]; if (sflag > 1 && tcps_states[i] == 0) continue; snprintf(fmtbuf, sizeof(fmtbuf), "\t{:%s/%%ju} " "{Np:/connection ,connections} in %s state\n", tcpstates[i], tcpstates[i]); xo_emit(fmtbuf, (uintmax_t )tcps_states[i]); } xo_close_container("TCP connection count by state"); xo_close_container("tcp"); }
/* * Dump TCP statistics structure. */ void tcp_stats(u_long off __unused, const char *name, int af1 __unused) { struct tcp_stats tcpstat, *stattmp; struct tcp_stats zerostat[SMP_MAXCPU]; size_t len = sizeof(struct tcp_stats) * SMP_MAXCPU; int cpucnt; if (zflag) memset(zerostat, 0, len); if ((stattmp = malloc(len)) == NULL) { return; } else { if (sysctlbyname("net.inet.tcp.stats", stattmp, &len, zflag ? zerostat : NULL, zflag ? len : 0) < 0) { warn("sysctl: net.inet.tcp.stats"); free(stattmp); return; } else { if ((stattmp = realloc(stattmp, len)) == NULL) { warn("tcp_stats"); return; } } } cpucnt = len / sizeof(struct tcp_stats); tcp_stats_agg(stattmp, &tcpstat, cpucnt); #ifdef INET6 if (tcp_done != 0) return; else tcp_done = 1; #endif printf ("%s:\n", name); #define p(f, m) if (tcpstat.f || sflag <= 1) \ printf(m, tcpstat.f, plural(tcpstat.f)) #define p1a(f, m) if (tcpstat.f || sflag <= 1) \ printf(m, tcpstat.f) #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2)) #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \ printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2) #define p3(f, m) if (tcpstat.f || sflag <= 1) \ printf(m, tcpstat.f, plurales(tcpstat.f)) p(tcps_sndtotal, "\t%lu packet%s sent\n"); p2(tcps_sndpack,tcps_sndbyte, "\t\t%lu data packet%s (%lu byte%s)\n"); p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, "\t\t%lu data packet%s (%lu byte%s) retransmitted\n"); p2(tcps_sndsackrtopack, tcps_sndsackrtobyte, "\t\t%lu data packet%s (%lu byte%s) retransmitted by SACK\n"); p2(tcps_sndsackpack, tcps_sndsackbyte, "\t\t%lu data packet%s (%lu byte%s) sent by SACK recovery\n"); p2(tcps_sackrescue, tcps_sackrescue_try, "\t\t%lu SACK rescue packet%s sent (of %lu attempt%s)\n"); p2a(tcps_sndfastrexmit, tcps_sndearlyrexmit, "\t\t%lu Fast Retransmit%s (%lu early)\n"); p(tcps_sndlimited, "\t\t%lu packet%s sent by Limited Transmit\n"); p2(tcps_sndrtobad, tcps_eifelresponse, "\t\t%lu spurious RTO retransmit%s (%lu Eifel-response%s)\n"); p2a(tcps_sndfastrexmitbad, tcps_sndearlyrexmitbad, "\t\t%lu spurious Fast Retransmit%s (%lu early)\n"); p2a(tcps_eifeldetected, tcps_rttcantdetect, "\t\t%lu Eifel-detected spurious retransmit%s (%lu non-RTT)\n"); p(tcps_rttdetected, "\t\t%lu RTT-detected spurious retransmit%s\n"); p(tcps_mturesent, "\t\t%lu resend%s initiated by MTU discovery\n"); p(tcps_sndsackopt, "\t\t%lu SACK option%s sent\n"); p(tcps_snddsackopt, "\t\t%lu D-SACK option%s sent\n"); p2a(tcps_sndacks, tcps_delack, "\t\t%lu ack-only packet%s (%lu delayed)\n"); p(tcps_sndurg, "\t\t%lu URG only packet%s\n"); p(tcps_sndprobe, "\t\t%lu window probe packet%s\n"); p(tcps_sndwinup, "\t\t%lu window update packet%s\n"); p(tcps_sndctrl, "\t\t%lu control packet%s\n"); p(tcps_rcvtotal, "\t%lu packet%s received\n"); p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%lu ack%s (for %lu byte%s)\n"); p(tcps_rcvdupack, "\t\t%lu duplicate ack%s\n"); p(tcps_rcvacktoomuch, "\t\t%lu ack%s for unsent data\n"); p2(tcps_rcvpack, tcps_rcvbyte, "\t\t%lu packet%s (%lu byte%s) received in-sequence\n"); p2(tcps_rcvduppack, tcps_rcvdupbyte, "\t\t%lu completely duplicate packet%s (%lu byte%s)\n"); p2(tcps_pawsdrop, tcps_pawsaccept, "\t\t%lu old duplicate packet%s (%lu packet%s accepted)\n"); p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, "\t\t%lu packet%s with some dup. data (%lu byte%s duped)\n"); p2(tcps_rcvoopack, tcps_rcvoobyte, "\t\t%lu out-of-order packet%s (%lu byte%s)\n"); p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, "\t\t%lu packet%s (%lu byte%s) of data after window\n"); p(tcps_rcvwinprobe, "\t\t%lu window probe%s\n"); p(tcps_rcvwinupd, "\t\t%lu window update packet%s\n"); p(tcps_rcvafterclose, "\t\t%lu packet%s received after close\n"); p(tcps_rcvbadsum, "\t\t%lu discarded for bad checksum%s\n"); p(tcps_rcvbadoff, "\t\t%lu discarded for bad header offset field%s\n"); p1a(tcps_rcvshort, "\t\t%lu discarded because packet too short\n"); p(tcps_rcvbadsackopt, "\t\t%lu bad SACK option%s\n"); p1a(tcps_sackrenege, "\t\t%lu other side reneged\n"); p(tcps_connattempt, "\t%lu connection request%s\n"); p(tcps_accepts, "\t%lu connection accept%s\n"); p(tcps_badsyn, "\t%lu bad connection attempt%s\n"); p(tcps_listendrop, "\t%lu listen queue overflow%s\n"); p(tcps_connects, "\t%lu connection%s established (including accepts)\n"); p2(tcps_closed, tcps_drops, "\t%lu connection%s closed (including %lu drop%s)\n"); p(tcps_cachedrtt, "\t\t%lu connection%s updated cached RTT on close\n"); p(tcps_cachedrttvar, "\t\t%lu connection%s updated cached RTT variance on close\n"); p(tcps_cachedssthresh, "\t\t%lu connection%s updated cached ssthresh on close\n"); p(tcps_conndrops, "\t%lu embryonic connection%s dropped\n"); p2(tcps_rttupdated, tcps_segstimed, "\t%lu segment%s updated rtt (of %lu attempt%s)\n"); p(tcps_rexmttimeo, "\t%lu retransmit timeout%s\n"); p(tcps_timeoutdrop, "\t\t%lu connection%s dropped by rexmit timeout\n"); p(tcps_persisttimeo, "\t%lu persist timeout%s\n"); p(tcps_persistdrop, "\t\t%lu connection%s dropped by persist timeout\n"); p(tcps_keeptimeo, "\t%lu keepalive timeout%s\n"); p(tcps_keepprobe, "\t\t%lu keepalive probe%s sent\n"); p(tcps_keepdrops, "\t\t%lu connection%s dropped by keepalive\n"); p(tcps_predack, "\t%lu correct ACK header prediction%s\n"); p(tcps_preddat, "\t%lu correct data packet header prediction%s\n"); p(tcps_sndidle, "\t%lu send idle%s\n"); p1a(tcps_sc_added, "\t%lu syncache entries added\n"); p1a(tcps_sc_retransmitted, "\t\t%lu retransmitted\n"); p1a(tcps_sc_dupsyn, "\t\t%lu dupsyn\n"); p1a(tcps_sc_dropped, "\t\t%lu dropped\n"); p1a(tcps_sc_completed, "\t\t%lu completed\n"); p1a(tcps_sc_bucketoverflow, "\t\t%lu bucket overflow\n"); p1a(tcps_sc_cacheoverflow, "\t\t%lu cache overflow\n"); p1a(tcps_sc_reset, "\t\t%lu reset\n"); p1a(tcps_sc_stale, "\t\t%lu stale\n"); p1a(tcps_sc_aborted, "\t\t%lu aborted\n"); p1a(tcps_sc_badack, "\t\t%lu badack\n"); p1a(tcps_sc_unreach, "\t\t%lu unreach\n"); p1a(tcps_sc_zonefail, "\t\t%lu zone failures\n"); p1a(tcps_sc_sendcookie, "\t\t%lu cookies sent\n"); p1a(tcps_sc_recvcookie, "\t\t%lu cookies received\n"); p(tcps_sacksbupdate, "\t%lu SACK scoreboard update%s\n"); p(tcps_sacksboverflow, "\t\t%lu overflow%s\n"); p(tcps_sacksbfailed, "\t\t%lu failure%s\n"); p(tcps_sacksbreused, "\t\t%lu record%s reused\n"); p(tcps_sacksbfast, "\t\t%lu record%s fast allocated\n"); free(stattmp); #undef p #undef p1a #undef p2 #undef p2a #undef p3 }