Import sources from 2011-03-30 iso image

1 files changed, 85 insertions, 0 deletions

diff --git a/sys/src/cmd/webfsget.c b/sys/src/cmd/webfsget.c
new file mode 100755
index 000000000..906d7d1cb
--- /dev/null
+++ b/sys/src/cmd/webfsget.c
@@ -0,0 +1,85 @@
+/* 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);
+}