![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to tcp_debug.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Apple Darwin 0.x] / kernel / bsd / netinet|
Return to tcp_debug.c CVS log | Up to [Apple Darwin 0.x] / kernel / bsd / netinet |
1.1 ! root 1: /* ! 2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. ! 3: * ! 4: * @APPLE_LICENSE_HEADER_START@ ! 5: * ! 6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights ! 7: * Reserved. This file contains Original Code and/or Modifications of ! 8: * Original Code as defined in and that are subject to the Apple Public ! 9: * Source License Version 1.1 (the "License"). You may not use this file ! 10: * except in compliance with the License. Please obtain a copy of the ! 11: * License at http://www.apple.com/publicsource and read it before using ! 12: * this file. ! 13: * ! 14: * The Original Code and all software distributed under the License are ! 15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER ! 16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, ! 17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, ! 18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the ! 19: * License for the specific language governing rights and limitations ! 20: * under the License. ! 21: * ! 22: * @APPLE_LICENSE_HEADER_END@ ! 23: */ ! 24: ! 25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ ! 26: /* ! 27: * Copyright (c) 1982, 1986, 1993 ! 28: * The Regents of the University of California. All rights reserved. ! 29: * ! 30: * Redistribution and use in source and binary forms, with or without ! 31: * modification, are permitted provided that the following conditions ! 32: * are met: ! 33: * 1. Redistributions of source code must retain the above copyright ! 34: * notice, this list of conditions and the following disclaimer. ! 35: * 2. Redistributions in binary form must reproduce the above copyright ! 36: * notice, this list of conditions and the following disclaimer in the ! 37: * documentation and/or other materials provided with the distribution. ! 38: * 3. All advertising materials mentioning features or use of this software ! 39: * must display the following acknowledgement: ! 40: * This product includes software developed by the University of ! 41: * California, Berkeley and its contributors. ! 42: * 4. Neither the name of the University nor the names of its contributors ! 43: * may be used to endorse or promote products derived from this software ! 44: * without specific prior written permission. ! 45: * ! 46: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ! 47: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE ! 48: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ! 49: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE ! 50: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL ! 51: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS ! 52: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ! 53: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT ! 54: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY ! 55: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF ! 56: * SUCH DAMAGE. ! 57: * ! 58: * @(#)tcp_debug.c 8.1 (Berkeley) 6/10/93 ! 59: */ ! 60: ! 61: #ifdef TCPDEBUG ! 62: /* load symbolic names */ ! 63: #define PRUREQUESTS ! 64: #define TCPSTATES ! 65: #define TCPTIMERS ! 66: #define TANAMES ! 67: #endif ! 68: ! 69: #include <sys/param.h> ! 70: #include <sys/systm.h> ! 71: #include <sys/mbuf.h> ! 72: #include <sys/socket.h> ! 73: #include <sys/socketvar.h> ! 74: #include <sys/protosw.h> ! 75: #include <sys/errno.h> ! 76: ! 77: #include <net/route.h> ! 78: #include <net/if.h> ! 79: ! 80: #include <netinet/in.h> ! 81: #include <netinet/in_systm.h> ! 82: #include <netinet/ip.h> ! 83: #include <netinet/in_pcb.h> ! 84: #include <netinet/ip_var.h> ! 85: #include <netinet/tcp.h> ! 86: #include <netinet/tcp_fsm.h> ! 87: #include <netinet/tcp_seq.h> ! 88: #include <netinet/tcp_timer.h> ! 89: #include <netinet/tcp_var.h> ! 90: #include <netinet/tcpip.h> ! 91: #include <netinet/tcp_debug.h> ! 92: ! 93: struct tcp_debug tcp_debug[TCP_NDEBUG]; ! 94: int tcp_debx; ! 95: ! 96: #ifdef TCPDEBUG ! 97: int tcpconsdebug = 0; ! 98: #endif ! 99: /* ! 100: * Tcp debug routines ! 101: */ ! 102: void ! 103: tcp_trace(act, ostate, tp, ti, req) ! 104: short act, ostate; ! 105: struct tcpcb *tp; ! 106: struct tcpiphdr *ti; ! 107: int req; ! 108: { ! 109: tcp_seq seq, ack; ! 110: int len, flags; ! 111: struct tcp_debug *td = &tcp_debug[tcp_debx++]; ! 112: ! 113: if (tcp_debx == TCP_NDEBUG) ! 114: tcp_debx = 0; ! 115: td->td_time = iptime(); ! 116: td->td_act = act; ! 117: td->td_ostate = ostate; ! 118: td->td_tcb = (caddr_t)tp; ! 119: if (tp) ! 120: td->td_cb = *tp; ! 121: else ! 122: bzero((caddr_t)&td->td_cb, sizeof (*tp)); ! 123: if (ti) ! 124: td->td_ti = *ti; ! 125: else ! 126: bzero((caddr_t)&td->td_ti, sizeof (*ti)); ! 127: td->td_req = req; ! 128: #ifdef TCPDEBUG ! 129: if (tcpconsdebug == 0) ! 130: return; ! 131: if (tp) ! 132: printf("%x %s:", tp, tcpstates[ostate]); ! 133: else ! 134: printf("???????? "); ! 135: printf("%s ", tanames[act]); ! 136: switch (act) { ! 137: ! 138: case TA_INPUT: ! 139: case TA_OUTPUT: ! 140: case TA_DROP: ! 141: if (ti == 0) ! 142: break; ! 143: seq = ti->ti_seq; ! 144: ack = ti->ti_ack; ! 145: len = ti->ti_len; ! 146: if (act == TA_OUTPUT) { ! 147: seq = ntohl(seq); ! 148: ack = ntohl(ack); ! 149: len = ntohs((u_short)len); ! 150: } ! 151: if (act == TA_OUTPUT) ! 152: len -= sizeof (struct tcphdr); ! 153: if (len) ! 154: printf("[%x..%x)", seq, seq+len); ! 155: else ! 156: printf("%x", seq); ! 157: printf("@%x, urp=%x", ack, ti->ti_urp); ! 158: flags = ti->ti_flags; ! 159: if (flags) { ! 160: #ifndef lint ! 161: char *cp = "<"; ! 162: #define pf(f) { if (ti->ti_flags&TH_/**/f) { printf("%s%s", cp, "f"); cp = ","; } } ! 163: pf(SYN); pf(ACK); pf(FIN); pf(RST); pf(PUSH); pf(URG); ! 164: #endif ! 165: printf(">"); ! 166: } ! 167: break; ! 168: ! 169: case TA_USER: ! 170: printf("%s", prurequests[req&0xff]); ! 171: if ((req & 0xff) == PRU_SLOWTIMO) ! 172: printf("<%s>", tcptimers[req>>8]); ! 173: break; ! 174: } ! 175: if (tp) ! 176: printf(" -> %s", tcpstates[tp->t_state]); ! 177: /* print out internal state of tp !?! */ ! 178: printf("\n"); ! 179: if (tp == 0) ! 180: return; ! 181: printf("\trcv_(nxt,wnd,up) (%x,%x,%x) snd_(una,nxt,max) (%x,%x,%x)\n", ! 182: tp->rcv_nxt, tp->rcv_wnd, tp->rcv_up, tp->snd_una, tp->snd_nxt, ! 183: tp->snd_max); ! 184: printf("\tsnd_(wl1,wl2,wnd) (%x,%x,%x)\n", ! 185: tp->snd_wl1, tp->snd_wl2, tp->snd_wnd); ! 186: #endif /* TCPDEBUG */ ! 187: }
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.