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1.1 ! root 1: static char *sccsid = "@(#)dumpmain.c 1.2 (Berkeley) 10/16/80"; ! 2: #include "dump.h" ! 3: ! 4: int notify = 0; /* notify operator flag */ ! 5: int blockswritten = 0; /* number of blocks written on current tape */ ! 6: int tapeno = 0; /* current tape number */ ! 7: int density = 160; /* density in 0.1" units */ ! 8: ! 9: main(argc, argv) ! 10: int argc; ! 11: char *argv[]; ! 12: { ! 13: char *arg; ! 14: register i; ! 15: float fetapes; ! 16: register struct fstab *dt; ! 17: ! 18: time(&(spcl.c_date)); ! 19: ! 20: tsize = 2300L*12L*10L; ! 21: tape = TAPE; ! 22: disk = DISK; ! 23: increm = NINCREM; ! 24: ! 25: incno = '9'; ! 26: uflag = 0; ! 27: arg = "u"; ! 28: if(argc > 1) { ! 29: argv++; ! 30: argc--; ! 31: arg = *argv; ! 32: if (*arg == '-') ! 33: argc++; ! 34: } ! 35: while(*arg) ! 36: switch (*arg++) { ! 37: case 'w': ! 38: lastdump('w'); /* tell us only what has to be done */ ! 39: exit(0); ! 40: break; ! 41: case 'W': /* what to do */ ! 42: lastdump('W'); /* tell us the current state of what has been done */ ! 43: exit(0); /* do nothing else */ ! 44: break; ! 45: ! 46: case 'J': /* update old to new */ ! 47: o_nconvert(); ! 48: exit(0); /* do nothing else */ ! 49: break; ! 50: ! 51: case 'f': /* output file */ ! 52: if(argc > 1) { ! 53: argv++; ! 54: argc--; ! 55: tape = *argv; ! 56: } ! 57: break; ! 58: ! 59: case 'd': /* density, in bits per inch */ ! 60: if (argc > 1) { ! 61: argv++; ! 62: argc--; ! 63: density = atoi(*argv) / 10; ! 64: } ! 65: break; ! 66: ! 67: case 's': /* tape size, feet */ ! 68: if(argc > 1) { ! 69: argv++; ! 70: argc--; ! 71: tsize = atol(*argv); ! 72: tsize *= 12L*10L; ! 73: } ! 74: break; ! 75: ! 76: case '0': /* dump level */ ! 77: case '1': ! 78: case '2': ! 79: case '3': ! 80: case '4': ! 81: case '5': ! 82: case '6': ! 83: case '7': ! 84: case '8': ! 85: case '9': ! 86: incno = arg[-1]; ! 87: break; ! 88: ! 89: case 'u': /* update /etc/dumpdates */ ! 90: uflag++; ! 91: break; ! 92: ! 93: case 'n': /* notify operators */ ! 94: notify++; ! 95: break; ! 96: ! 97: default: ! 98: printf("bad key '%c%'\n", arg[-1]); ! 99: Exit(X_ABORT); ! 100: } ! 101: if(argc > 1) { ! 102: argv++; ! 103: argc--; ! 104: disk = *argv; ! 105: } ! 106: ! 107: if (signal(SIGHUP, sighup) == SIG_IGN) ! 108: signal(SIGHUP, SIG_IGN); ! 109: if (signal(SIGTRAP, sigtrap) == SIG_IGN) ! 110: signal(SIGTRAP, SIG_IGN); ! 111: if (signal(SIGFPE, sigfpe) == SIG_IGN) ! 112: signal(SIGFPE, SIG_IGN); ! 113: if (signal(SIGBUS, sigbus) == SIG_IGN) ! 114: signal(SIGBUS, SIG_IGN); ! 115: if (signal(SIGSEGV, sigsegv) == SIG_IGN) ! 116: signal(SIGSEGV, SIG_IGN); ! 117: if (signal(SIGTERM, sigterm) == SIG_IGN) ! 118: signal(SIGTERM, SIG_IGN); ! 119: ! 120: ! 121: if (signal(SIGINT, interrupt) == SIG_IGN) ! 122: signal(SIGINT, SIG_IGN); ! 123: ! 124: set_operators(); /* /etc/group snarfed */ ! 125: getfstab(); /* /etc/fstab snarfed */ ! 126: /* ! 127: * disk can be either the full special file name, ! 128: * the suffix of the special file name, ! 129: * the special name missing the leading '/', ! 130: * the file system name with or without the leading '/'. ! 131: */ ! 132: dt = fstabsearch(disk); ! 133: if (dt != 0) ! 134: disk = rawname(dt->fs_spec); ! 135: getitime(); /* /etc/dumpdates snarfed */ ! 136: ! 137: msg("Date of this level %c dump: %s\n", incno, prdate(spcl.c_date)); ! 138: msg("Date of last level %c dump: %s\n", incno, prdate(spcl.c_ddate)); ! 139: msg("Dumping %s ", disk); ! 140: if (dt != 0) ! 141: msgtail("(%s) ", dt->fs_file); ! 142: msgtail("to %s\n", tape); ! 143: ! 144: fi = open(disk, 0); ! 145: if (fi < 0) { ! 146: msg("Cannot open %s\n", disk); ! 147: Exit(X_ABORT); ! 148: } ! 149: CLR(clrmap); ! 150: CLR(dirmap); ! 151: CLR(nodmap); ! 152: esize = 0; ! 153: ! 154: msg("mapping (Pass I) [regular files]\n"); ! 155: pass(mark, (short *)NULL); /* mark updates esize */ ! 156: ! 157: do { ! 158: msg("mapping (Pass II) [directories]\n"); ! 159: nadded = 0; ! 160: pass(add, dirmap); ! 161: } while(nadded); ! 162: ! 163: bmapest(clrmap); ! 164: bmapest(nodmap); ! 165: ! 166: fetapes = ! 167: ( esize /* blocks */ ! 168: *BSIZE /* bytes / block */ ! 169: *(1.0/density) /* 0.1" / byte */ ! 170: + ! 171: esize /* blocks */ ! 172: *(1.0/NTREC) /* IRG's / block */ ! 173: *7 /* 0.1" / IRG */ ! 174: ) * (1.0 / tsize ) /* tape / 0.1" */ ! 175: ; ! 176: etapes = fetapes; /* truncating assignment */ ! 177: etapes++; ! 178: /* ! 179: * esize is typically about 5% too low; we frob it here ! 180: */ ! 181: esize += ((5*esize)/100); ! 182: msg("estimated %ld tape blocks on %3.2f tape(s).\n", esize, fetapes); ! 183: ! 184: otape(); /* bitmap is the first to tape write */ ! 185: time(&(tstart_writing)); ! 186: bitmap(clrmap, TS_CLRI); ! 187: ! 188: msg("dumping (Pass III) [directories]\n"); ! 189: pass(dump, dirmap); ! 190: ! 191: msg("dumping (Pass IV) [regular files]\n"); ! 192: pass(dump, nodmap); ! 193: ! 194: spcl.c_type = TS_END; ! 195: for(i=0; i<NTREC; i++) ! 196: spclrec(); ! 197: msg("DUMP: %ld tape blocks on %d tape(s)\n",spcl.c_tapea,spcl.c_volume); ! 198: msg("DUMP IS DONE\n"); ! 199: ! 200: putitime(); ! 201: close(to); ! 202: rewind(); ! 203: broadcast("DUMP IS DONE!\7\7\n"); ! 204: Exit(X_FINOK); ! 205: } ! 206: ! 207: int sighup(){ msg("SIGHUP() try rewriting\n"); sigAbort();} ! 208: int sigtrap(){ msg("SIGTRAP() try rewriting\n"); sigAbort();} ! 209: int sigfpe(){ msg("SIGFPE() try rewriting\n"); sigAbort();} ! 210: int sigbus(){ msg("SIGBUS() try rewriting\n"); sigAbort();} ! 211: int sigsegv(){ msg("SIGSEGV() ABORTING!\n"); abort();} ! 212: int sigalrm(){ msg("SIGALRM() try rewriting\n"); sigAbort();} ! 213: int sigterm(){ msg("SIGTERM() try rewriting\n"); sigAbort();} ! 214: ! 215: sigAbort() ! 216: { ! 217: msg("Rewriting attempted as response to unknown signal.\n"); ! 218: fflush(stderr); ! 219: fflush(stdout); ! 220: close_rewind(); ! 221: exit(X_REWRITE); ! 222: } ! 223: ! 224: char *rawname(cp) ! 225: char *cp; ! 226: { ! 227: static char rawbuf[32]; ! 228: char *dp = rindex(cp, '/'); ! 229: ! 230: if (dp == 0) ! 231: return (0); ! 232: *dp = 0; ! 233: strcpy(rawbuf, cp); ! 234: *dp = '/'; ! 235: strcat(rawbuf, "/r"); ! 236: strcat(rawbuf, dp+1); ! 237: return (rawbuf); ! 238: }
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