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#include <u.h>
#include <libc.h>
#include <venti.h>
#include <libsec.h>
#include <thread.h>
enum
{
// XXX What to do here?
VtMaxLumpSize = 65535,
};
void
usage(void)
{
fprint(2, "usage: read [-h host] [-t type] score\n");
threadexitsall("usage");
}
void
threadmain(int argc, char *argv[])
{
int type, n;
uchar score[VtScoreSize];
uchar *buf;
VtConn *z;
char *host;
fmtinstall('F', vtfcallfmt);
fmtinstall('V', vtscorefmt);
host = nil;
type = -1;
ARGBEGIN{
case 'h':
host = EARGF(usage());
break;
case 't':
type = atoi(EARGF(usage()));
break;
default:
usage();
break;
}ARGEND
if(argc != 1)
usage();
if(vtparsescore(argv[0], nil, score) < 0)
sysfatal("could not parse score '%s': %r", argv[0]);
buf = vtmallocz(VtMaxLumpSize);
z = vtdial(host);
if(z == nil)
sysfatal("could not connect to server: %r");
if(vtconnect(z) < 0)
sysfatal("vtconnect: %r");
if(type == -1){
n = -1;
for(type=0; type<VtMaxType; type++){
n = vtread(z, score, type, buf, VtMaxLumpSize);
if(n >= 0){
fprint(2, "venti/read%s%s %V %d\n", host ? " -h" : "", host ? host : "",
score, type);
break;
}
}
}else
n = vtread(z, score, type, buf, VtMaxLumpSize);
vthangup(z);
if(n < 0)
sysfatal("could not read block: %r");
if(write(1, buf, n) != n)
sysfatal("write: %r");
threadexitsall(0);
}
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