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/**
* WebSocketPlugin will allow us to get new data from the server
* without having to poll for changes on the frontend.
*
* This plugin is subscribed to host state property and logging
* changes, indicated in the app header Health and Power status.
*
* https://github.com/openbmc/docs/blob/b41aff0fabe137cdb0cfff584b5fe4a41c0c8e77/rest-api.md#event-subscription-protocol
*/
const WebSocketPlugin = (store) => {
let ws;
const data = {
paths: ['/xyz/openbmc_project/state/host0', '/xyz/openbmc_project/logging'],
interfaces: [
'xyz.openbmc_project.State.Host',
'xyz.openbmc_project.Logging.Entry',
],
};
const initWebSocket = () => {
const socketDisabled =
process.env.VUE_APP_SUBSCRIBE_SOCKET_DISABLED === 'true' ? true : false;
if (socketDisabled) return;
const token = store.getters['authentication/token'];
ws = new WebSocket(`wss://${window.location.host}/subscribe`, [token]);
ws.onopen = () => {
ws.send(JSON.stringify(data));
};
ws.onerror = (event) => {
console.error(event);
};
ws.onmessage = (event) => {
const data = JSON.parse(event.data);
const eventInterface = data.interface;
const path = data.path;
if (eventInterface === 'xyz.openbmc_project.State.Host') {
const { properties: { CurrentHostState } = {} } = data;
if (CurrentHostState) {
store.commit('global/setServerStatus', CurrentHostState);
}
} else if (path === '/xyz/openbmc_project/logging') {
store.dispatch('eventLog/getEventLogData');
}
};
};
store.subscribe(({ type }) => {
if (type === 'authentication/authSuccess') {
initWebSocket();
}
if (type === 'authentication/logout') {
if (ws) ws.close();
}
});
if (store.getters['authentication/isLoggedIn']) initWebSocket();
};
export default WebSocketPlugin;
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