Update the server power state dynamically in GUI
This uses websocket mechanism to retrieve the server power state and
update the same.
Resolves openbmc/openbmc#3102
Tested: Running GUI locally and verified the following scenarios:
- Power on operation from GUI and host command line
- Power off operation from host command line
- Warm reboot operation from GUI
- Cold reboot operation from GUI
- Immediate shutdown operation from GUI
- Orderly shutdown operation from GUI
In all of the above scenarios state change is notified to GUI at right time.
Change-Id: I1c97ae10419078dfe16a1d097082580c29827fb7
Signed-off-by: Jayashankar Padath <jayashankar.padath@in.ibm.com>
diff --git a/app/common/directives/app-header.js b/app/common/directives/app-header.js
index d9fc54c..6be458a 100644
--- a/app/common/directives/app-header.js
+++ b/app/common/directives/app-header.js
@@ -15,6 +15,49 @@
$rootScope, $scope, dataService, userModel, $location, $route) {
$scope.dataService = dataService;
+ // Create a secure websocket with URL as /subscribe
+ // TODO: Need to put in a generic APIUtils to avoid duplicate
+ // controller
+ var ws =
+ new WebSocket('wss://' + dataService.server_id + '/subscribe');
+
+ // Specify the required event details as JSON dictionary
+ var data = JSON.stringify({
+ 'paths': ['/xyz/openbmc_project/state/host0'],
+ 'interfaces': ['xyz.openbmc_project.State.Host']
+ });
+
+ // Send the JSON dictionary data to host
+ ws.onopen = function() {
+ ws.send(data);
+ console.log('host0 ws opened');
+ };
+
+ // Close the web socket
+ ws.onclose = function() {
+ console.log('host0 ws closed');
+ };
+
+ // Websocket event handling function which catches the
+ // current host state
+ ws.onmessage = function(evt) {
+ // Parse the response (JSON dictionary data)
+ var content = JSON.parse(evt.data);
+
+ // Fetch the current server power state
+ if (content.hasOwnProperty('properties') &&
+ content['properties'].hasOwnProperty('CurrentHostState')) {
+ // Refresh the host state and status
+ // TODO: As of now not using the current host state
+ // value for updating the data Service state rather
+ // using it to detect the command line state change.
+ // Tried different methods like creating a separate
+ // function, addding ws under $scope etc.. but auto
+ // refresh is not happening.
+ $scope.loadServerStatus();
+ }
+ };
+
$scope.loadServerHealth = function() {
APIUtils.getLogs().then(function(result) {
dataService.updateServerHealth(result.data);