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/* Example of how to use webfs */
#include <u.h>
#include <libc.h>
void
xfer(int from, int to)
{
char buf[12*1024];
int n;
while((n = read(from, buf, sizeof buf)) > 0)
if(write(to, buf, n) < 0)
sysfatal("write failed: %r");
if(n < 0)
sysfatal("read failed: %r");
}
void
usage(void)
{
fprint(2, "usage: webfsget [-b baseurl] [-m mtpt] [-p postbody] url\n");
exits("usage");
}
void
main(int argc, char **argv)
{
int conn, ctlfd, fd, n;
char buf[128], *base, *mtpt, *post, *url;
mtpt = "/mnt/web";
post = nil;
base = nil;
ARGBEGIN{
default:
usage();
case 'b':
base = EARGF(usage());
break;
case 'm':
mtpt = EARGF(usage());
break;
case 'p':
post = EARGF(usage());
break;
}ARGEND;
if (argc != 1)
usage();
url = argv[0];
snprint(buf, sizeof buf, "%s/clone", mtpt);
if((ctlfd = open(buf, ORDWR)) < 0)
sysfatal("couldn't open %s: %r", buf);
if((n = read(ctlfd, buf, sizeof buf-1)) < 0)
sysfatal("reading clone: %r");
if(n == 0)
sysfatal("short read on clone");
buf[n] = '\0';
conn = atoi(buf);
if(base)
if(fprint(ctlfd, "baseurl %s", base) < 0)
sysfatal("baseurl ctl write: %r");
if(fprint(ctlfd, "url %s", url) <= 0)
sysfatal("get ctl write: %r");
if(post){
snprint(buf, sizeof buf, "%s/%d/postbody", mtpt, conn);
if((fd = open(buf, OWRITE)) < 0)
sysfatal("open %s: %r", buf);
if(write(fd, post, strlen(post)) < 0)
sysfatal("post write failed: %r");
close(fd);
}
snprint(buf, sizeof buf, "%s/%d/body", mtpt, conn);
if((fd = open(buf, OREAD)) < 0)
sysfatal("open %s: %r", buf);
xfer(fd, 1);
exits(nil);
}
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