1 /* 2 * Copyright (c) 1980 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)dump.h 5.9 (Berkeley) 02/23/91 7 */ 8 9 #define NI 16 10 #define MAXINOPB (MAXBSIZE / sizeof(struct dinode)) 11 #define MAXNINDIR (MAXBSIZE / sizeof(daddr_t)) 12 13 #include <sys/param.h> 14 #include <sys/stat.h> 15 #include <sys/time.h> 16 #include <ufs/fs.h> 17 #include <ufs/dinode.h> 18 #include <ufs/dir.h> 19 #include <protocols/dumprestore.h> 20 #include <utmp.h> 21 #include <signal.h> 22 #include <fstab.h> 23 #include <stdio.h> 24 #include <stdlib.h> 25 #include <string.h> 26 #include <ctype.h> 27 28 #define MWORD(m,i) (m[(unsigned)(i-1)/NBBY]) 29 #define MBIT(i) (1<<((unsigned)(i-1)%NBBY)) 30 #define BIS(i,w) (MWORD(w,i) |= MBIT(i)) 31 #define BIC(i,w) (MWORD(w,i) &= ~MBIT(i)) 32 #define BIT(i,w) (MWORD(w,i) & MBIT(i)) 33 34 int msiz; 35 char *clrmap; 36 char *dirmap; 37 char *nodmap; 38 39 /* 40 * All calculations done in 0.1" units! 41 */ 42 43 char *disk; /* name of the disk file */ 44 char *tape; /* name of the tape file */ 45 char *increm; /* name of the file containing incremental information*/ 46 char *temp; /* name of the file for doing rewrite of increm */ 47 char lastincno; /* increment number of previous dump */ 48 char incno; /* increment number */ 49 int uflag; /* update flag */ 50 int fi; /* disk file descriptor */ 51 int to; /* tape file descriptor */ 52 int pipeout; /* true => output to standard output */ 53 ino_t ino; /* current inumber; used globally */ 54 int nsubdir; 55 int newtape; /* new tape flag */ 56 int nadded; /* number of added sub directories */ 57 int dadded; /* directory added flag */ 58 int density; /* density in 0.1" units */ 59 long tsize; /* tape size in 0.1" units */ 60 long esize; /* estimated tape size, blocks */ 61 long asize; /* number of 0.1" units written on current tape */ 62 int etapes; /* estimated number of tapes */ 63 64 int notify; /* notify operator flag */ 65 int blockswritten; /* number of blocks written on current tape */ 66 int tapeno; /* current tape number */ 67 time_t tstart_writing; /* when started writing the first tape block */ 68 char *processname; 69 struct fs *sblock; /* the file system super block */ 70 char buf[MAXBSIZE]; 71 long dev_bsize; /* block size of underlying disk device */ 72 int dev_bshift; /* log2(dev_bsize) */ 73 int tp_bshift; /* log2(TP_BSIZE) */ 74 75 /* operator interface functions */ 76 void broadcast(); 77 void lastdump(); 78 void msg(); 79 void msgtail(); 80 int query(); 81 void set_operators(); 82 void timeest(); 83 84 /* mapping rouintes */ 85 void est(); 86 void bmapest(); 87 void pass(); 88 void mark(); 89 void add(); 90 91 /* file dumping routines */ 92 void dirdump(); 93 void dump(); 94 void blksout(); 95 void bitmap(); 96 void spclrec(); 97 void bread(); 98 99 /* tape writing routines */ 100 int alloctape(); 101 void taprec(); 102 void dmpblk(); 103 void tflush(); 104 void trewind(); 105 void close_rewind(); 106 void otape(); 107 108 void dumpabort(); 109 void Exit(); 110 void getfstab(); 111 void quit(); 112 113 char *prdate(); 114 char *rawname(); 115 struct dinode *getino(); 116 117 void interrupt(); /* in case operator bangs on console */ 118 119 #define HOUR (60L*60L) 120 #define DAY (24L*HOUR) 121 #define YEAR (365L*DAY) 122 123 /* 124 * Exit status codes 125 */ 126 #define X_FINOK 0 /* normal exit */ 127 #define X_REWRITE 2 /* restart writing from the check point */ 128 #define X_ABORT 3 /* abort all of dump; don't attempt checkpointing*/ 129 130 #define OPGRENT "operator" /* group entry to notify */ 131 #define DIALUP "ttyd" /* prefix for dialups */ 132 133 struct fstab *fstabsearch(); /* search in fs_file and fs_spec */ 134 135 /* 136 * The contents of the file _PATH_DUMPDATES is maintained both on 137 * a linked list, and then (eventually) arrayified. 138 */ 139 struct idates { 140 char id_name[MAXNAMLEN+3]; 141 char id_incno; 142 time_t id_ddate; 143 }; 144 struct itime { 145 struct idates it_value; 146 struct itime *it_next; 147 }; 148 struct itime *ithead; /* head of the list version */ 149 int nidates; /* number of records (might be zero) */ 150 int idates_in; /* we have read the increment file */ 151 struct idates **idatev; /* the arrayfied version */ 152 void inititimes(); 153 void getitime(); 154 void putitime(); 155 #define ITITERATE(i, ip) for (ip = idatev[i = 0]; i < nidates; ip = idatev[++i]) 156 157 /* 158 * We catch these interrupts 159 */ 160 void sighup(); 161 void sigquit(); 162 void sigill(); 163 void sigtrap(); 164 void sigfpe(); 165 void sigkill(); 166 void sigbus(); 167 void sigsegv(); 168 void sigsys(); 169 void sigalrm(); 170 void sigterm(); 171