1 7a4ee46d 2003-11-23 devnull #include "stdinc.h"
  2 7a4ee46d 2003-11-23 devnull #include "dat.h"
  3 7a4ee46d 2003-11-23 devnull #include "fns.h"
  4 7a4ee46d 2003-11-23 devnull 
  5 7a4ee46d 2003-11-23 devnull enum
  6 7a4ee46d 2003-11-23 devnull {
  7 7a4ee46d 2003-11-23 devnull 	ClumpChunks	= 32*1024
  8 7a4ee46d 2003-11-23 devnull };
  9 7a4ee46d 2003-11-23 devnull 
 10 7a4ee46d 2003-11-23 devnull static int	verbose;
 11 7a4ee46d 2003-11-23 devnull 
 12 7a4ee46d 2003-11-23 devnull int
 13 7a4ee46d 2003-11-23 devnull clumpinfoeq(ClumpInfo *c, ClumpInfo *d)
 14 7a4ee46d 2003-11-23 devnull {
 15 7a4ee46d 2003-11-23 devnull 	return c->type == d->type
 16 7a4ee46d 2003-11-23 devnull 		&& c->size == d->size
 17 7a4ee46d 2003-11-23 devnull 		&& c->uncsize == d->uncsize
 18 7a4ee46d 2003-11-23 devnull 		&& scorecmp(c->score, d->score)==0;
 19 7a4ee46d 2003-11-23 devnull }
 20 7a4ee46d 2003-11-23 devnull 
 21 7a4ee46d 2003-11-23 devnull int
 22 7a4ee46d 2003-11-23 devnull findscore(Arena *arena, uchar *score)
 23 7a4ee46d 2003-11-23 devnull {
 24 7a4ee46d 2003-11-23 devnull 	IEntry ie;
 25 7a4ee46d 2003-11-23 devnull 	ClumpInfo *ci, *cis;
 26 7a4ee46d 2003-11-23 devnull 	u64int a;
 27 7a4ee46d 2003-11-23 devnull 	u32int clump;
 28 7a4ee46d 2003-11-23 devnull 	int i, n, found;
 29 7a4ee46d 2003-11-23 devnull 
 30 7a4ee46d 2003-11-23 devnull //ZZZ remove fprint?
 31 7a4ee46d 2003-11-23 devnull 	if(arena->clumps)
 32 7a4ee46d 2003-11-23 devnull 		fprint(2, "reading directory for arena=%s with %d entries\n", arena->name, arena->clumps);
 33 7a4ee46d 2003-11-23 devnull 
 34 7a4ee46d 2003-11-23 devnull 	cis = MKN(ClumpInfo, ClumpChunks);
 35 7a4ee46d 2003-11-23 devnull 	found = 0;
 36 7a4ee46d 2003-11-23 devnull 	a = 0;
 37 7a4ee46d 2003-11-23 devnull 	memset(&ie, 0, sizeof(IEntry));
 38 7a4ee46d 2003-11-23 devnull 	for(clump = 0; clump < arena->clumps; clump += n){
 39 7a4ee46d 2003-11-23 devnull 		n = ClumpChunks;
 40 7a4ee46d 2003-11-23 devnull 		if(n > arena->clumps - clump)
 41 7a4ee46d 2003-11-23 devnull 			n = arena->clumps - clump;
 42 7a4ee46d 2003-11-23 devnull 		if(readclumpinfos(arena, clump, cis, n) != n){
 43 7a4ee46d 2003-11-23 devnull 			seterr(EOk, "arena directory read failed: %r");
 44 7a4ee46d 2003-11-23 devnull 			break;
 45 7a4ee46d 2003-11-23 devnull 		}
 46 7a4ee46d 2003-11-23 devnull 
 47 7a4ee46d 2003-11-23 devnull 		for(i = 0; i < n; i++){
 48 7a4ee46d 2003-11-23 devnull 			ci = &cis[i];
 49 7a4ee46d 2003-11-23 devnull 			if(scorecmp(score, ci->score)==0){
 50 7a4ee46d 2003-11-23 devnull 				fprint(2, "found at clump=%d with type=%d size=%d csize=%d position=%lld\n",
 51 7a4ee46d 2003-11-23 devnull 					clump + i, ci->type, ci->uncsize, ci->size, a);
 52 7a4ee46d 2003-11-23 devnull 				found++;
 53 7a4ee46d 2003-11-23 devnull 			}
 54 7a4ee46d 2003-11-23 devnull 			a += ci->size + ClumpSize;
 55 7a4ee46d 2003-11-23 devnull 		}
 56 7a4ee46d 2003-11-23 devnull 	}
 57 7a4ee46d 2003-11-23 devnull 	free(cis);
 58 7a4ee46d 2003-11-23 devnull 	return found;
 59 7a4ee46d 2003-11-23 devnull }
 60 7a4ee46d 2003-11-23 devnull 
 61 7a4ee46d 2003-11-23 devnull void
 62 7a4ee46d 2003-11-23 devnull usage(void)
 63 7a4ee46d 2003-11-23 devnull {
 64 7a4ee46d 2003-11-23 devnull 	fprint(2, "usage: findscore [-v] arenafile score\n");
 65 7a4ee46d 2003-11-23 devnull 	threadexitsall(0);
 66 7a4ee46d 2003-11-23 devnull }
 67 7a4ee46d 2003-11-23 devnull 
 68 7a4ee46d 2003-11-23 devnull void
 69 7a4ee46d 2003-11-23 devnull threadmain(int argc, char *argv[])
 70 7a4ee46d 2003-11-23 devnull {
 71 7a4ee46d 2003-11-23 devnull 	ArenaPart *ap;
 72 7a4ee46d 2003-11-23 devnull 	Part *part;
 73 7a4ee46d 2003-11-23 devnull 	char *file;
 74 7a4ee46d 2003-11-23 devnull 	u8int score[VtScoreSize];
 75 7a4ee46d 2003-11-23 devnull 	int i, found;
 76 7a4ee46d 2003-11-23 devnull 
 77 7a4ee46d 2003-11-23 devnull 	fmtinstall('V', vtscorefmt);
 78 7a4ee46d 2003-11-23 devnull 	statsinit();
 79 7a4ee46d 2003-11-23 devnull 
 80 7a4ee46d 2003-11-23 devnull 	ARGBEGIN{
 81 7a4ee46d 2003-11-23 devnull 	case 'v':
 82 7a4ee46d 2003-11-23 devnull 		verbose++;
 83 7a4ee46d 2003-11-23 devnull 		break;
 84 7a4ee46d 2003-11-23 devnull 	default:
 85 7a4ee46d 2003-11-23 devnull 		usage();
 86 7a4ee46d 2003-11-23 devnull 		break;
 87 7a4ee46d 2003-11-23 devnull 	}ARGEND
 88 7a4ee46d 2003-11-23 devnull 
 89 7a4ee46d 2003-11-23 devnull 	readonly = 1;
 90 7a4ee46d 2003-11-23 devnull 
 91 7a4ee46d 2003-11-23 devnull 	if(argc != 2)
 92 7a4ee46d 2003-11-23 devnull 		usage();
 93 7a4ee46d 2003-11-23 devnull 
 94 7a4ee46d 2003-11-23 devnull 	file = argv[0];
 95 7a4ee46d 2003-11-23 devnull 	if(strscore(argv[1], score) < 0)
 96 7a4ee46d 2003-11-23 devnull 		sysfatal("bad score %s\n", argv[1]);
 97 7a4ee46d 2003-11-23 devnull 
 98 7a4ee46d 2003-11-23 devnull 	part = initpart(file, 0);
 99 7a4ee46d 2003-11-23 devnull 	if(part == nil)
100 7a4ee46d 2003-11-23 devnull 		sysfatal("can't open partition %s: %r", file);
101 7a4ee46d 2003-11-23 devnull 
102 7a4ee46d 2003-11-23 devnull 	ap = initarenapart(part);
103 7a4ee46d 2003-11-23 devnull 	if(ap == nil)
104 7a4ee46d 2003-11-23 devnull 		sysfatal("can't initialize arena partition in %s: %r", file);
105 7a4ee46d 2003-11-23 devnull 
106 7a4ee46d 2003-11-23 devnull 	if(verbose > 1){
107 7a4ee46d 2003-11-23 devnull 		printarenapart(2, ap);
108 7a4ee46d 2003-11-23 devnull 		fprint(2, "\n");
109 7a4ee46d 2003-11-23 devnull 	}
110 7a4ee46d 2003-11-23 devnull 
111 7a4ee46d 2003-11-23 devnull 	initdcache(8 * MaxDiskBlock);
112 7a4ee46d 2003-11-23 devnull 
113 7a4ee46d 2003-11-23 devnull 	found = 0;
114 7a4ee46d 2003-11-23 devnull 	for(i = 0; i < ap->narenas; i++)
115 7a4ee46d 2003-11-23 devnull 		found += findscore(ap->arenas[i], score);
116 7a4ee46d 2003-11-23 devnull 
117 7a4ee46d 2003-11-23 devnull 	print("found %d occurances of %V\n", found, score);
118 7a4ee46d 2003-11-23 devnull 
119 7a4ee46d 2003-11-23 devnull 	if(verbose > 1)
120 7a4ee46d 2003-11-23 devnull 		printstats();
121 7a4ee46d 2003-11-23 devnull 	threadexitsall(0);
122 7a4ee46d 2003-11-23 devnull }