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"
7 7a4ee46d 2003-11-23 devnull ClumpChunks = 32*1024
10 7a4ee46d 2003-11-23 devnull static int verbose;
13 7a4ee46d 2003-11-23 devnull clumpinfoeq(ClumpInfo *c, ClumpInfo *d)
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;
22 7a4ee46d 2003-11-23 devnull * synchronize the clump info directory with
23 7a4ee46d 2003-11-23 devnull * with the clumps actually stored in the arena.
24 7a4ee46d 2003-11-23 devnull * the directory should be at least as up to date
25 7a4ee46d 2003-11-23 devnull * as the arena's trailer.
27 7a4ee46d 2003-11-23 devnull * checks/updates at most n clumps.
29 7a4ee46d 2003-11-23 devnull * returns 1 if ok, -1 if an error occured, 0 if blocks were updated
32 7a4ee46d 2003-11-23 devnull findscore(Arena *arena, uchar *score)
34 7a4ee46d 2003-11-23 devnull IEntry ie;
35 7a4ee46d 2003-11-23 devnull ClumpInfo *ci, *cis;
36 7a4ee46d 2003-11-23 devnull u64int a;
37 7a4ee46d 2003-11-23 devnull u32int clump;
38 7a4ee46d 2003-11-23 devnull int i, n, found;
40 7a4ee46d 2003-11-23 devnull //ZZZ remove fprint?
41 7a4ee46d 2003-11-23 devnull if(arena->clumps)
42 7a4ee46d 2003-11-23 devnull fprint(2, "reading directory for arena=%s with %d entries\n", arena->name, arena->clumps);
44 7a4ee46d 2003-11-23 devnull cis = MKN(ClumpInfo, ClumpChunks);
45 7a4ee46d 2003-11-23 devnull found = 0;
47 7a4ee46d 2003-11-23 devnull memset(&ie, 0, sizeof(IEntry));
48 7a4ee46d 2003-11-23 devnull for(clump = 0; clump < arena->clumps; clump += n){
49 7a4ee46d 2003-11-23 devnull n = ClumpChunks;
50 7a4ee46d 2003-11-23 devnull if(n > arena->clumps - clump)
51 7a4ee46d 2003-11-23 devnull n = arena->clumps - clump;
52 7a4ee46d 2003-11-23 devnull if(readclumpinfos(arena, clump, cis, n) != n){
53 7a4ee46d 2003-11-23 devnull seterr(EOk, "arena directory read failed: %r");
57 7a4ee46d 2003-11-23 devnull for(i = 0; i < n; i++){
58 7a4ee46d 2003-11-23 devnull ci = &cis[i];
59 7a4ee46d 2003-11-23 devnull if(scorecmp(score, ci->score)==0){
60 7a4ee46d 2003-11-23 devnull fprint(2, "found at clump=%d with type=%d size=%d csize=%d position=%lld\n",
61 7a4ee46d 2003-11-23 devnull clump + i, ci->type, ci->uncsize, ci->size, a);
64 7a4ee46d 2003-11-23 devnull a += ci->size + ClumpSize;
67 7a4ee46d 2003-11-23 devnull free(cis);
68 7a4ee46d 2003-11-23 devnull return found;
72 7a4ee46d 2003-11-23 devnull usage(void)
74 7a4ee46d 2003-11-23 devnull fprint(2, "usage: findscore [-v] arenafile score\n");
75 7a4ee46d 2003-11-23 devnull threadexitsall(0);
79 7a4ee46d 2003-11-23 devnull threadmain(int argc, char *argv[])
81 7a4ee46d 2003-11-23 devnull ArenaPart *ap;
82 7a4ee46d 2003-11-23 devnull Part *part;
83 7a4ee46d 2003-11-23 devnull char *file;
84 7a4ee46d 2003-11-23 devnull u8int score[VtScoreSize];
85 7a4ee46d 2003-11-23 devnull int i, found;
87 7a4ee46d 2003-11-23 devnull fmtinstall('V', vtscorefmt);
88 7a4ee46d 2003-11-23 devnull statsinit();
90 7a4ee46d 2003-11-23 devnull ARGBEGIN{
91 7a4ee46d 2003-11-23 devnull case 'v':
92 7a4ee46d 2003-11-23 devnull verbose++;
99 7a4ee46d 2003-11-23 devnull readonly = 1;
101 7a4ee46d 2003-11-23 devnull if(argc != 2)
102 7a4ee46d 2003-11-23 devnull usage();
104 7a4ee46d 2003-11-23 devnull file = argv[0];
105 7a4ee46d 2003-11-23 devnull if(strscore(argv[1], score) < 0)
106 7a4ee46d 2003-11-23 devnull sysfatal("bad score %s\n", argv[1]);
108 7a4ee46d 2003-11-23 devnull part = initpart(file, 0);
109 7a4ee46d 2003-11-23 devnull if(part == nil)
110 7a4ee46d 2003-11-23 devnull sysfatal("can't open partition %s: %r", file);
112 7a4ee46d 2003-11-23 devnull ap = initarenapart(part);
113 7a4ee46d 2003-11-23 devnull if(ap == nil)
114 7a4ee46d 2003-11-23 devnull sysfatal("can't initialize arena partition in %s: %r", file);
116 7a4ee46d 2003-11-23 devnull if(verbose > 1){
117 7a4ee46d 2003-11-23 devnull printarenapart(2, ap);
118 7a4ee46d 2003-11-23 devnull fprint(2, "\n");
121 7a4ee46d 2003-11-23 devnull initdcache(8 * MaxDiskBlock);
123 7a4ee46d 2003-11-23 devnull found = 0;
124 7a4ee46d 2003-11-23 devnull for(i = 0; i < ap->narenas; i++)
125 7a4ee46d 2003-11-23 devnull found += findscore(ap->arenas[i], score);
127 7a4ee46d 2003-11-23 devnull print("found %d occurances of %V\n", found, score);
129 7a4ee46d 2003-11-23 devnull if(verbose > 1)
130 7a4ee46d 2003-11-23 devnull printstats();
131 7a4ee46d 2003-11-23 devnull threadexitsall(0);
