1 #!/usr/sbin/dtrace -s 2 /* 3 * CDDL HEADER START 4 * 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License (the "License"). 7 * You may not use this file except in compliance with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 #pragma D option quiet 27 #pragma D option switchrate=10hz 28 29 dtrace:::BEGIN 30 { 31 printf(" %15s:%-5s %15s:%-5s %6s %s\n", 32 "LADDR", "PORT", "RADDR", "PORT", "BYTES", "FLAGS"); 33 } 34 35 tcp:::send 36 { 37 this->length = args[2]->ip_plength - args[4]->tcp_offset; 38 printf(" %15s:%-5d -> %15s:%-5d %6d (", 39 args[2]->ip_saddr, args[4]->tcp_sport, 40 args[2]->ip_daddr, args[4]->tcp_dport, this->length); 41 } 42 43 tcp:::receive 44 { 45 this->length = args[2]->ip_plength - args[4]->tcp_offset; 46 printf(" %15s:%-5d <- %15s:%-5d %6d (", 47 args[2]->ip_daddr, args[4]->tcp_dport, 48 args[2]->ip_saddr, args[4]->tcp_sport, this->length); 49 } 50 51 tcp:::send, 52 tcp:::receive 53 { 54 printf("%s", args[4]->tcp_flags & TH_FIN ? "FIN|" : ""); 55 printf("%s", args[4]->tcp_flags & TH_SYN ? "SYN|" : ""); 56 printf("%s", args[4]->tcp_flags & TH_RST ? "RST|" : ""); 57 printf("%s", args[4]->tcp_flags & TH_PUSH ? "PUSH|" : ""); 58 printf("%s", args[4]->tcp_flags & TH_ACK ? "ACK|" : ""); 59 printf("%s", args[4]->tcp_flags & TH_URG ? "URG|" : ""); 60 printf("%s", args[4]->tcp_flags & TH_ECE ? "ECE|" : ""); 61 printf("%s", args[4]->tcp_flags & TH_CWR ? "CWR|" : ""); 62 printf("%s", args[4]->tcp_flags == 0 ? "null " : ""); 63 printf("\b)\n"); 64 } 65