1*368c31abSDavid du Colombier #include <u.h>
2*368c31abSDavid du Colombier #include <libc.h>
3*368c31abSDavid du Colombier #include <venti.h>
4*368c31abSDavid du Colombier #include <libsec.h>
5*368c31abSDavid du Colombier #include <thread.h>
6d9306527SDavid du Colombier
7d9306527SDavid du Colombier void
usage(void)8d9306527SDavid du Colombier usage(void)
9d9306527SDavid du Colombier {
10*368c31abSDavid du Colombier fprint(2, "usage: read [-h host] [-t type] score\n");
11*368c31abSDavid du Colombier threadexitsall("usage");
12d9306527SDavid du Colombier }
13d9306527SDavid du Colombier
14*368c31abSDavid du Colombier void
threadmain(int argc,char * argv[])15*368c31abSDavid du Colombier threadmain(int argc, char *argv[])
16d9306527SDavid du Colombier {
17d9306527SDavid du Colombier int type, n;
18d9306527SDavid du Colombier uchar score[VtScoreSize];
19d9306527SDavid du Colombier uchar *buf;
20*368c31abSDavid du Colombier VtConn *z;
21*368c31abSDavid du Colombier char *host;
22d9306527SDavid du Colombier
23*368c31abSDavid du Colombier fmtinstall('F', vtfcallfmt);
24*368c31abSDavid du Colombier fmtinstall('V', vtscorefmt);
25*368c31abSDavid du Colombier
26*368c31abSDavid du Colombier host = nil;
27*368c31abSDavid du Colombier type = -1;
28d9306527SDavid du Colombier ARGBEGIN{
29d9306527SDavid du Colombier case 'h':
30d9306527SDavid du Colombier host = EARGF(usage());
31d9306527SDavid du Colombier break;
32*368c31abSDavid du Colombier case 't':
33*368c31abSDavid du Colombier type = atoi(EARGF(usage()));
34*368c31abSDavid du Colombier break;
35d9306527SDavid du Colombier default:
36d9306527SDavid du Colombier usage();
37d9306527SDavid du Colombier break;
38d9306527SDavid du Colombier }ARGEND
39d9306527SDavid du Colombier
40*368c31abSDavid du Colombier if(argc != 1)
41d9306527SDavid du Colombier usage();
42d9306527SDavid du Colombier
43*368c31abSDavid du Colombier if(vtparsescore(argv[0], nil, score) < 0)
44*368c31abSDavid du Colombier sysfatal("could not parse score '%s': %r", argv[0]);
45d9306527SDavid du Colombier
46*368c31abSDavid du Colombier buf = vtmallocz(VtMaxLumpSize);
47d9306527SDavid du Colombier
48*368c31abSDavid du Colombier z = vtdial(host);
49d9306527SDavid du Colombier if(z == nil)
50*368c31abSDavid du Colombier sysfatal("could not connect to server: %r");
51d9306527SDavid du Colombier
52*368c31abSDavid du Colombier if(vtconnect(z) < 0)
53*368c31abSDavid du Colombier sysfatal("vtconnect: %r");
54d9306527SDavid du Colombier
55*368c31abSDavid du Colombier if(type == -1){
566a9fc400SDavid du Colombier n = -1;
576a9fc400SDavid du Colombier for(type=0; type<VtMaxType; type++){
58*368c31abSDavid du Colombier n = vtread(z, score, type, buf, VtMaxLumpSize);
596a9fc400SDavid du Colombier if(n >= 0){
606a9fc400SDavid du Colombier fprint(2, "venti/read%s%s %V %d\n", host ? " -h" : "", host ? host : "",
616a9fc400SDavid du Colombier score, type);
626a9fc400SDavid du Colombier break;
636a9fc400SDavid du Colombier }
646a9fc400SDavid du Colombier }
65*368c31abSDavid du Colombier }else
66*368c31abSDavid du Colombier n = vtread(z, score, type, buf, VtMaxLumpSize);
67d9306527SDavid du Colombier
68*368c31abSDavid du Colombier vthangup(z);
69*368c31abSDavid du Colombier if(n < 0)
70*368c31abSDavid du Colombier sysfatal("could not read block: %r");
71*368c31abSDavid du Colombier if(write(1, buf, n) != n)
72*368c31abSDavid du Colombier sysfatal("write: %r");
73*368c31abSDavid du Colombier threadexitsall(0);
74d9306527SDavid du Colombier }
75