1 #include <u.h>
2 #include <libc.h>
3 #include <venti.h>
4 #include <libsec.h>
5 #include <thread.h>
6 
7 void
8 usage(void)
9 {
10 	fprint(2, "usage: root [-h host] score\n");
11 	threadexitsall("usage");
12 }
13 
14 void
15 threadmain(int argc, char *argv[])
16 {
17 	int i, n;
18 	uchar score[VtScoreSize];
19 	uchar *buf;
20 	VtConn *z;
21 	char *host;
22 	VtRoot root;
23 
24 	fmtinstall('F', vtfcallfmt);
25 	fmtinstall('V', vtscorefmt);
26 	quotefmtinstall();
27 
28 	host = nil;
29 	ARGBEGIN{
30 	case 'h':
31 		host = EARGF(usage());
32 		break;
33 	default:
34 		usage();
35 		break;
36 	}ARGEND
37 
38 	if(argc == 0)
39 		usage();
40 
41 	buf = vtmallocz(VtMaxLumpSize);
42 
43 	z = vtdial(host);
44 	if(z == nil)
45 		sysfatal("could not connect to server: %r");
46 
47 	if(vtconnect(z) < 0)
48 		sysfatal("vtconnect: %r");
49 
50 	for(i=0; i<argc; i++){
51 		if(vtparsescore(argv[i], nil, score) < 0){
52 			fprint(2, "cannot parse score '%s': %r\n", argv[i]);
53 			continue;
54 		}
55 		n = vtread(z, score, VtRootType, buf, VtMaxLumpSize);
56 		if(n < 0){
57 			fprint(2, "could not read block %V: %r\n", score);
58 			continue;
59 		}
60 		if(n != VtRootSize){
61 			fprint(2, "block %V is wrong size %d != 300\n", score, n);
62 			continue;
63 		}
64 		if(vtrootunpack(&root, buf) < 0){
65 			fprint(2, "unpacking block %V: %r\n", score);
66 			continue;
67 		}
68 		print("%V: %q %q %V %d %V\n", score, root.name, root.type, root.score, root.blocksize, root.prev);
69 	}
70 	vthangup(z);
71 	threadexitsall(0);
72 }