[PATCH 8/9] xenstore: write xenstore domain data to xenstore

[Juergen Gross <jgross@suse.com>]

After starting the xenstore domain write the basic data (domid and
name) to the xenstore.

Add a new option to init-xenstore-domain to be able to specify the
domain's name.

Signed-off-by: Juergen Gross <jgross@suse.com>
---
 tools/xenstore/init-xenstore-domain.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/tools/xenstore/init-xenstore-domain.c b/tools/xenstore/init-xenstore-domain.c
index eedcf32..2a8a417 100644
--- a/tools/xenstore/init-xenstore-domain.c
+++ b/tools/xenstore/init-xenstore-domain.c
@@ -18,6 +18,7 @@ static char *kernel;
 static char *ramdisk;
 static char *flask;
 static char *param;
+static char *name = "Xenstore";
 static int memory;
 
 static struct option options[] = {
@@ -26,6 +27,7 @@ static struct option options[] = {
 	{ "flask", 1, NULL, 'f' },
 	{ "ramdisk", 1, NULL, 'r' },
 	{ "param", 1, NULL, 'p' },
+	{ "name", 1, NULL, 'n' },
 	{ NULL, 0, NULL, 0 }
 };
 
@@ -42,7 +44,8 @@ static void usage(void)
 "  --memory <memory size>     size of the domain in MB, mandatory\n"
 "  --flask <flask-label>      optional flask label of the domain\n"
 "  --ramdisk <ramdisk-file>   optional ramdisk file for the domain\n"
-"  --param <cmdline>          optional additional parameters for the domain\n");
+"  --param <cmdline>          optional additional parameters for the domain\n"
+"  --name <name>              name of the domain (default: Xenstore)\n");
 }
 
 static int build(xc_interface *xch)
@@ -195,6 +198,7 @@ int main(int argc, char** argv)
 	xc_interface *xch;
 	struct xs_handle *xsh;
 	char buf[16];
+	char path[64];
 	int rv, fd;
 
 	while ((opt = getopt_long(argc, argv, "", options, NULL)) != -1) {
@@ -214,6 +218,9 @@ int main(int argc, char** argv)
 		case 'p':
 			param = optarg;
 			break;
+		case 'n':
+			name = optarg;
+			break;
 		}
 	}
 
@@ -243,6 +250,10 @@ int main(int argc, char** argv)
 	xsh = xs_open(0);
 	rv = snprintf(buf, 16, "%d", domid);
 	xs_write(xsh, XBT_NULL, "/tool/xenstored/domid", buf, rv);
+	snprintf(path, 64, "/local/domain/%d/domid", domid);
+	xs_write(xsh, XBT_NULL, path, buf, rv);
+	snprintf(path, 64, "/local/domain/%d/name", domid);
+	xs_write(xsh, XBT_NULL, path, name, strlen(name));
 	xs_daemon_close(xsh);
 
 	fd = creat("/var/run/xenstored.pid", 0666);
-- 
2.6.2