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authorAnthony PERARD <anthony.perard@citrix.com>2012-04-17 18:22:49 +0100
committerAnthony PERARD <anthony.perard@citrix.com>2012-04-17 18:22:49 +0100
commit8584897de2198f7ac3d2c56988224425dd5c5bba (patch)
tree5b81c4f4d3c008e011c406f301fa3a951b8716b5 /tools/libxl/libxl_qmp.c
parent39f6fa22f4052af173993b3f8905057970315913 (diff)
downloadxen-8584897de2198f7ac3d2c56988224425dd5c5bba.tar.gz
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libxl: Query VNC listening port through QMP
Currently `xl vncviewer $dom` does not work because the VNC port is not registered in xenstore when using qemu-upstream. This patch attempted to fix this. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
Diffstat (limited to 'tools/libxl/libxl_qmp.c')
-rw-r--r--tools/libxl/libxl_qmp.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/tools/libxl/libxl_qmp.c b/tools/libxl/libxl_qmp.c
index f5a3edc17b..72ff4a4960 100644
--- a/tools/libxl/libxl_qmp.c
+++ b/tools/libxl/libxl_qmp.c
@@ -154,6 +154,55 @@ static int register_serials_chardev_callback(libxl__qmp_handler *qmp,
return ret;
}
+static int qmp_write_domain_console_item(libxl__gc *gc, int domid,
+ const char *item, const char *value)
+{
+ char *path;
+
+ path = libxl__xs_get_dompath(gc, domid);
+ path = libxl__sprintf(gc, "%s/console/%s", path, item);
+
+ return libxl__xs_write(gc, XBT_NULL, path, "%s", value);
+}
+
+static int qmp_register_vnc_callback(libxl__qmp_handler *qmp,
+ const libxl__json_object *o,
+ void *unused)
+{
+ GC_INIT(qmp->ctx);
+ const libxl__json_object *obj;
+ const char *listen, *port;
+ int rc = -1;
+
+ if (!libxl__json_object_is_map(o)) {
+ goto out;
+ }
+
+ if (libxl__json_map_get("enabled", o, JSON_FALSE)) {
+ rc = 0;
+ goto out;
+ }
+
+ obj = libxl__json_map_get("host", o, JSON_STRING);
+ listen = libxl__json_object_get_string(obj);
+ obj = libxl__json_map_get("service", o, JSON_STRING);
+ port = libxl__json_object_get_string(obj);
+
+ if (!listen || !port) {
+ LIBXL__LOG(qmp->ctx, LIBXL__LOG_ERROR,
+ "Failed to retreive VNC connect information.");
+ goto out;
+ }
+
+ rc = qmp_write_domain_console_item(gc, qmp->domid, "vnc-listen", listen);
+ if (!rc)
+ rc = qmp_write_domain_console_item(gc, qmp->domid, "vnc-port", port);
+
+out:
+ GC_FREE;
+ return rc;
+}
+
static int qmp_capabilities_callback(libxl__qmp_handler *qmp,
const libxl__json_object *o, void *unused)
{
@@ -688,6 +737,13 @@ int libxl__qmp_query_serial(libxl__qmp_handler *qmp)
NULL, qmp->timeout);
}
+static int qmp_query_vnc(libxl__qmp_handler *qmp)
+{
+ return qmp_synchronous_send(qmp, "query-vnc", NULL,
+ qmp_register_vnc_callback,
+ NULL, qmp->timeout);
+}
+
static int pci_add_callback(libxl__qmp_handler *qmp,
const libxl__json_object *response, void *opaque)
{
@@ -917,6 +973,9 @@ int libxl__qmp_initializations(libxl__gc *gc, uint32_t domid,
if (!ret && vnc && vnc->passwd) {
ret = qmp_change(gc, qmp, "vnc", "password", vnc->passwd);
}
+ if (!ret) {
+ ret = qmp_query_vnc(qmp);
+ }
libxl__qmp_close(qmp);
return ret;
}