1 #include "stdinc.h"
2 #include <bio.h>
3 #include "dat.h"
4 #include "fns.h"
5 
6 Biobuf bout;
7 Fsck fsck;
8 
9 static void
10 usage(void)
11 {
12 	fprint(2, "usage: %s [-c cachesize] [-h host] file\n", argv0);
13 	threadexitsall("usage");
14 }
15 
16 #pragma	varargck	argpos	flprint	1
17 
18 static int
19 flprint(char *fmt, ...)
20 {
21 	int n;
22 	va_list arg;
23 
24 	va_start(arg, fmt);
25 	n = Bvprint(&bout, fmt, arg);
26 	va_end(arg);
27 	return n;
28 }
29 
30 static void
31 flclre(Fsck *chk, Block *b, int o)
32 {
33 	USED(chk);
34 	Bprint(&bout, "# clre 0x%ux %d\n", b->addr, o);
35 }
36 
37 static void
38 flclrp(Fsck *chk, Block *b, int o)
39 {
40 	USED(chk);
41 	Bprint(&bout, "# clrp 0x%ux %d\n", b->addr, o);
42 }
43 
44 static void
45 flclri(Fsck *chk, char *name, MetaBlock *mb, int i, Block *b)
46 {
47 	USED(chk);
48 	USED(mb);
49 	USED(i);
50 	USED(b);
51 	Bprint(&bout, "# clri %s\n", name);
52 }
53 
54 static void
55 flclose(Fsck *chk, Block *b, u32int epoch)
56 {
57 	USED(chk);
58 	Bprint(&bout, "# bclose 0x%ux %ud\n", b->addr, epoch);
59 }
60 
61 void
62 threadmain(int argc, char *argv[])
63 {
64 	int csize = 1000;
65 	VtConn *z;
66 	char *host = nil;
67 
68 	fsck.useventi = 1;
69 	Binit(&bout, 1, OWRITE);
70 	ARGBEGIN{
71 	default:
72 		usage();
73 	case 'c':
74 		csize = atoi(ARGF());
75 		if(csize <= 0)
76 			usage();
77 		break;
78 	case 'f':
79 		fsck.useventi = 0;
80 		break;
81 	case 'h':
82 		host = ARGF();
83 		break;
84 	case 'v':
85 		fsck.printdirs = 1;
86 		break;
87 	}ARGEND;
88 
89 	if(argc != 1)
90 		usage();
91 
92 	fmtinstall('L', labelFmt);
93 	fmtinstall('V', scoreFmt);
94 
95 	/*
96 	 * Connect to Venti.
97 	 */
98 	z = vtdial(host);
99 	if(z == nil){
100 		if(fsck.useventi)
101 			sysfatal("could not connect to server: %r");
102 	}else if(vtconnect(z) < 0)
103 		sysfatal("vtconnect: %r");
104 
105 	/*
106 	 * Initialize file system.
107 	 */
108 	fsck.fs = fsOpen(argv[0], z, csize, OReadOnly);
109 	if(fsck.fs == nil)
110 		sysfatal("could not open file system: %r");
111 
112 	fsck.print = flprint;
113 	fsck.clre = flclre;
114 	fsck.clrp = flclrp;
115 	fsck.close = flclose;
116 	fsck.clri = flclri;
117 
118 	fsCheck(&fsck);
119 
120 	threadexitsall(0);
121 }