1 28b49df3 2006-07-18 devnull #include "stdinc.h"
2 28b49df3 2006-07-18 devnull #include "dat.h"
3 28b49df3 2006-07-18 devnull #include "fns.h"
5 28b49df3 2006-07-18 devnull uchar buf[64*1024];
8 28b49df3 2006-07-18 devnull usage(void)
10 28b49df3 2006-07-18 devnull fprint(2, "usage: printarenapart arenafile [offset]\n");
11 28b49df3 2006-07-18 devnull threadexitsall("usage");
14 28b49df3 2006-07-18 devnull static void
15 28b49df3 2006-07-18 devnull rdarena(Arena *arena, u64int offset)
17 28b49df3 2006-07-18 devnull u64int a, aa, e;
18 28b49df3 2006-07-18 devnull u32int magic;
19 28b49df3 2006-07-18 devnull Clump cl;
20 28b49df3 2006-07-18 devnull uchar score[VtScoreSize];
21 28b49df3 2006-07-18 devnull ZBlock *lump;
23 28b49df3 2006-07-18 devnull printarena(2, arena);
25 28b49df3 2006-07-18 devnull a = arena->base;
26 28b49df3 2006-07-18 devnull e = arena->base + arena->size;
27 28b49df3 2006-07-18 devnull if(offset != ~(u64int)0) {
28 28b49df3 2006-07-18 devnull if(offset >= e-a)
29 28b49df3 2006-07-18 devnull sysfatal("bad offset %llud >= %llud\n",
30 28b49df3 2006-07-18 devnull offset, e-a);
31 28b49df3 2006-07-18 devnull aa = offset;
35 28b49df3 2006-07-18 devnull for(; aa < e; aa += ClumpSize+cl.info.size) {
36 28b49df3 2006-07-18 devnull magic = clumpmagic(arena, aa);
37 28b49df3 2006-07-18 devnull if(magic == ClumpFreeMagic)
39 28b49df3 2006-07-18 devnull if(magic != arena->clumpmagic) {
40 28b49df3 2006-07-18 devnull fprint(2, "illegal clump magic number %#8.8ux offset %llud\n",
41 28b49df3 2006-07-18 devnull magic, aa);
44 28b49df3 2006-07-18 devnull lump = loadclump(arena, aa, 0, &cl, score, 0);
45 28b49df3 2006-07-18 devnull if(lump == nil) {
46 28b49df3 2006-07-18 devnull fprint(2, "clump %llud failed to read: %r\n", aa);
49 28b49df3 2006-07-18 devnull if(cl.info.type != VtCorruptType) {
50 28b49df3 2006-07-18 devnull scoremem(score, lump->data, cl.info.uncsize);
51 28b49df3 2006-07-18 devnull if(scorecmp(cl.info.score, score) != 0) {
52 28b49df3 2006-07-18 devnull fprint(2, "clump %llud has mismatched score\n", aa);
55 28b49df3 2006-07-18 devnull if(vttypevalid(cl.info.type) < 0) {
56 28b49df3 2006-07-18 devnull fprint(2, "clump %llud has bad type %d\n", aa, cl.info.type);
60 28b49df3 2006-07-18 devnull print("%22llud %V %3d %5d\n", aa, score, cl.info.type, cl.info.uncsize);
61 28b49df3 2006-07-18 devnull freezblock(lump);
63 28b49df3 2006-07-18 devnull print("end offset %llud\n", aa);
67 28b49df3 2006-07-18 devnull threadmain(int argc, char *argv[])
69 28b49df3 2006-07-18 devnull char *file, *p, *name;
70 28b49df3 2006-07-18 devnull char *table;
71 28b49df3 2006-07-18 devnull u64int offset;
72 28b49df3 2006-07-18 devnull Part *part;
73 28b49df3 2006-07-18 devnull ArenaPart ap;
74 28b49df3 2006-07-18 devnull ArenaHead head;
75 28b49df3 2006-07-18 devnull Arena tail;
76 28b49df3 2006-07-18 devnull char ct[40], mt[40];
78 28b49df3 2006-07-18 devnull readonly = 1; /* for part.c */
79 28b49df3 2006-07-18 devnull ARGBEGIN{
85 28b49df3 2006-07-18 devnull switch(argc) {
89 28b49df3 2006-07-18 devnull file = argv[0];
92 28b49df3 2006-07-18 devnull ventifmtinstall();
93 28b49df3 2006-07-18 devnull statsinit();
95 28b49df3 2006-07-18 devnull part = initpart(file, OREAD|ODIRECT);
96 28b49df3 2006-07-18 devnull if(part == nil)
97 28b49df3 2006-07-18 devnull sysfatal("can't open file %s: %r", file);
98 28b49df3 2006-07-18 devnull if(readpart(part, PartBlank, buf, sizeof buf) < 0)
99 28b49df3 2006-07-18 devnull sysfatal("can't read file %s: %r", file);
101 28b49df3 2006-07-18 devnull if(unpackarenapart(&ap, buf) < 0)
102 28b49df3 2006-07-18 devnull sysfatal("corrupted arena part header: %r");
104 28b49df3 2006-07-18 devnull print("# arena part version=%d blocksize=%d arenabase=%d\n",
105 28b49df3 2006-07-18 devnull ap.version, ap.blocksize, ap.arenabase);
106 28b49df3 2006-07-18 devnull ap.tabbase = (PartBlank+HeadSize+ap.blocksize-1)&~(ap.blocksize-1);
107 28b49df3 2006-07-18 devnull ap.tabsize = ap.arenabase - ap.tabbase;
109 28b49df3 2006-07-18 devnull table = malloc(ap.tabsize+1);
110 28b49df3 2006-07-18 devnull if(readpart(part, ap.tabbase, (uchar*)table, ap.tabsize) < 0)
111 28b49df3 2006-07-18 devnull sysfatal("read %s: %r", file);
112 28b49df3 2006-07-18 devnull table[ap.tabsize] = 0;
114 28b49df3 2006-07-18 devnull partblocksize(part, ap.blocksize);
115 28b49df3 2006-07-18 devnull initdcache(8 * MaxDiskBlock);
117 28b49df3 2006-07-18 devnull for(p=table; p && *p; p=strchr(p, '\n')){
118 28b49df3 2006-07-18 devnull if(*p == '\n')
120 28b49df3 2006-07-18 devnull name = p;
121 28b49df3 2006-07-18 devnull p = strpbrk(p, " \t");
122 28b49df3 2006-07-18 devnull if(p == nil){
123 28b49df3 2006-07-18 devnull fprint(2, "bad line: %s\n", name);
126 28b49df3 2006-07-18 devnull offset = strtoull(p, nil, 0);
127 28b49df3 2006-07-18 devnull if(readpart(part, offset, buf, sizeof buf) < 0){
128 28b49df3 2006-07-18 devnull fprint(2, "%s: read %s: %r\n", argv0, file);
129 28b49df3 2006-07-18 devnull continue;
131 28b49df3 2006-07-18 devnull if(unpackarenahead(&head, buf) < 0){
132 28b49df3 2006-07-18 devnull fprint(2, "%s: unpackarenahead: %r\n", argv0);
133 28b49df3 2006-07-18 devnull continue;
135 28b49df3 2006-07-18 devnull if(readpart(part, offset+head.size-head.blocksize, buf, head.blocksize) < 0){
136 28b49df3 2006-07-18 devnull fprint(2, "%s: read %s: %r\n", argv0, file);
137 28b49df3 2006-07-18 devnull continue;
139 28b49df3 2006-07-18 devnull if(unpackarena(&tail, buf) < 0){
140 28b49df3 2006-07-18 devnull fprint(2, "%s: unpackarena: %r\n", argv0);
141 28b49df3 2006-07-18 devnull continue;
143 28b49df3 2006-07-18 devnull print("arena %s %lld clumps=%,d cclumps=%,d used=%,lld uncsize=%,lld%s\n",
144 28b49df3 2006-07-18 devnull tail.name, offset,
145 28b49df3 2006-07-18 devnull tail.diskstats.clumps, tail.diskstats.cclumps,
146 28b49df3 2006-07-18 devnull tail.diskstats.used, tail.diskstats.uncsize,
147 28b49df3 2006-07-18 devnull tail.diskstats.sealed ? " sealed" : "");
148 28b49df3 2006-07-18 devnull strcpy(ct, ctime(tail.ctime));
149 28b49df3 2006-07-18 devnull ct[28] = 0;
150 28b49df3 2006-07-18 devnull strcpy(mt, ctime(tail.wtime));
151 28b49df3 2006-07-18 devnull mt[28] = 0;
152 28b49df3 2006-07-18 devnull print("\tctime=%s\n\tmtime=%s\n", ct, mt);
154 28b49df3 2006-07-18 devnull threadexitsall(0);
