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#include <u.h>
#include <libc.h>
#include <venti.h>
#include <libsec.h>
#include <thread.h>
enum
{
Blocksize = 8192
};
int chatty;
void
usage(void)
{
fprint(2, "usage: writefile [-v] [-h host] < data\n");
threadexitsall("usage");
}
void
threadmain(int argc, char *argv[])
{
int n;
uchar score[VtScoreSize];
uchar *buf;
char *host;
vlong off;
VtEntry e;
VtRoot root;
VtCache *c;
VtConn *z;
VtFile *f;
quotefmtinstall();
fmtinstall('F', vtfcallfmt);
fmtinstall('V', vtscorefmt);
host = nil;
ARGBEGIN{
case 'V':
chattyventi++;
break;
case 'h':
host = EARGF(usage());
break;
case 'v':
chatty++;
break;
default:
usage();
break;
}ARGEND
if(argc != 0)
usage();
buf = vtmallocz(Blocksize);
z = vtdial(host);
if(z == nil)
sysfatal("could not connect to server: %r");
if(vtconnect(z) < 0)
sysfatal("vtconnect: %r");
// write file
c = vtcachealloc(z, Blocksize*32);
if(c == nil)
sysfatal("vtcachealloc: %r");
f = vtfilecreateroot(c, Blocksize, Blocksize, VtDataType);
if(f == nil)
sysfatal("vtfilecreateroot: %r");
off = 0;
vtfilelock(f, VtOWRITE);
while((n = read(0, buf, Blocksize)) > 0){
if(vtfilewrite(f, buf, n, off) != n)
sysfatal("vtfilewrite: %r");
off += n;
if(vtfileflushbefore(f, off) < 0)
sysfatal("vtfileflushbefore: %r");
}
if(vtfileflush(f) < 0)
sysfatal("vtfileflush: %r");
if(vtfilegetentry(f, &e) < 0)
sysfatal("vtfilegetentry: %r");
vtfileunlock(f);
// write directory entry
memset(&root, 0, sizeof root);
vtentrypack(&e, buf, 0);
if(vtwrite(z, root.score, VtDirType, buf, VtEntrySize) < 0)
sysfatal("vtwrite dir: %r");
// write root
strcpy(root.name, "data");
strcpy(root.type, "file");
root.blocksize = Blocksize;
vtrootpack(&root, buf);
if(vtwrite(z, score, VtRootType, buf, VtRootSize) < 0)
sysfatal("vtwrite root: %r");
print("file:%V\n", score);
threadexitsall(0);
}
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