1 /* 2 * Copyright (c) 2003,2004 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@backplane.com> 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 3. Neither the name of The DragonFly Project nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific, prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $DragonFly: src/sbin/jscan/jscan.c,v 1.4 2005/07/06 06:06:44 dillon Exp $ 35 */ 36 37 #include "jscan.h" 38 39 enum jmode { JS_NONE, JS_DEBUG, JS_MIRROR }; 40 41 static void usage(const char *av0); 42 43 int debug_opt; 44 45 int 46 main(int ac, char **av) 47 { 48 int ch; 49 int i; 50 int jfflags = 0; 51 enum jdirection direction = JF_FORWARDS; 52 enum jmode jmode = JS_NONE; 53 struct jfile *jf; 54 55 while ((ch = getopt(ac, av, "2dmrw:W:")) != -1) { 56 switch(ch) { 57 case '2': 58 jfflags |= JF_FULL_DUPLEX; 59 break; 60 case 'd': 61 debug_opt = 1; 62 if (jmode == JS_NONE) 63 jmode = JS_DEBUG; 64 break; 65 case 'm': 66 jmode = JS_MIRROR; 67 break; 68 case 'r': 69 direction = JF_BACKWARDS; 70 break; 71 case 'W': 72 /* fallthrough */ 73 case 'w': 74 /* not implemented yet */ 75 default: 76 fprintf(stderr, "unknown option: -%c\n", optopt); 77 usage(av[0]); 78 } 79 } 80 if (jmode == JS_NONE) 81 usage(av[0]); 82 if (jmode == JS_MIRROR && direction == JF_BACKWARDS) { 83 fprintf(stderr, "Cannot mirror in reverse scan mode\n"); 84 usage(av[0]); 85 } 86 87 /* 88 * Using specified input streams. If no files are specified, stdin 89 * is used. 90 */ 91 if (ac == optind) { 92 usage(av[0]); 93 } else { 94 for (i = optind; i < ac; ++i) { 95 if (strcmp(av[i], "stdin") == 0) 96 jf = jopen_fp(stdin, direction, jfflags); 97 else 98 jf = jopen_stream(av[i], direction, jfflags); 99 if (jf != NULL) { 100 switch(jmode) { 101 case JS_MIRROR: 102 dump_mirror(jf); 103 break; 104 case JS_DEBUG: 105 dump_debug(jf); 106 break; 107 case JS_NONE: 108 break; 109 } 110 jclose_stream(jf); 111 } else { 112 fprintf(stderr, "Unable to open %s: %s\n", 113 av[i], strerror(errno)); 114 } 115 } 116 } 117 return(0); 118 } 119 120 static void 121 usage(const char *av0) 122 { 123 fprintf(stderr, "%s [-dm] [journal_file/stdin]*\n", av0); 124 exit(1); 125 } 126 127