duplicati/Duplicati/Server/webroot/ngax/scripts/services/ServerStatus.js
2025-03-26 16:57:51 +01:00

393 lines
16 KiB
JavaScript

backupApp.service('ServerStatus', function ($rootScope, $timeout, AppService, AppUtils, gettextCatalog) {
const useWebsocket = true;
var longpolltime = 5 * 60 * 1000;
var waitingfortask = {};
var waitingfortaskTimers = {};
var state = {
lastEventId: -1,
lastDataUpdateId: -1,
lastNotificationUpdateId: -1,
estimatedPauseEnd: new Date("0001-01-01T00:00:00"),
activeTask: null,
programState: null,
lastErrorMessage: null,
connectionState: 'connected',
connectionAttemptTimer: 0,
failedConnectionAttempts: 0,
failedAuthAttempts: 0,
lastPgEvent: null,
updaterState: 'waiting',
updateDownloadLink: null,
updatedVersion: null,
updateDownloadProgress: 0,
proposedSchedule: [],
schedulerQueueIds: [],
orderBy: null
};
this.state = state;
var self = this;
function reloadTexts() {
self.progress_state_text = {
'Backup_Begin': gettextCatalog.getString('Starting backup …'),
'Backup_PreBackupVerify': gettextCatalog.getString('Verifying backend data …'),
'Backup_PostBackupTest': gettextCatalog.getString('Verifying remote data …'),
'Backup_PreviousBackupFinalize': gettextCatalog.getString('Completing previous backup …'),
'Backup_ProcessingFiles': gettextCatalog.getString('Processing files to backup …'),
'Backup_Finalize': gettextCatalog.getString('Completing backup …'),
'Backup_WaitForUpload': gettextCatalog.getString('Waiting for upload to finish …'),
'Backup_Delete': gettextCatalog.getString('Deleting unwanted files …'),
'Backup_Compact': gettextCatalog.getString('Compacting remote data …'),
'Backup_VerificationUpload': gettextCatalog.getString('Uploading verification file …'),
'Backup_PostBackupVerify': gettextCatalog.getString('Verifying backend data …'),
'Backup_Complete': gettextCatalog.getString('Backup complete!'),
'Restore_Begin': gettextCatalog.getString('Starting restore …'),
'Restore_RecreateDatabase': gettextCatalog.getString('Rebuilding local database …'),
'Restore_PreRestoreVerify': gettextCatalog.getString('Verifying remote data …'),
'Restore_CreateFileList': gettextCatalog.getString('Building list of files to restore …'),
'Restore_CreateTargetFolders': gettextCatalog.getString('Creating target folders …'),
'Restore_ScanForExistingFiles': gettextCatalog.getString('Scanning existing files …'),
'Restore_ScanForLocalBlocks': gettextCatalog.getString('Scanning for local blocks …'),
'Restore_PatchWithLocalBlocks': gettextCatalog.getString('Patching files with local blocks …'),
'Restore_DownloadingRemoteFiles': gettextCatalog.getString('Downloading files …'),
'Restore_PostRestoreVerify': gettextCatalog.getString('Verifying restored files …'),
'Restore_Complete': gettextCatalog.getString('Restore complete!'),
'Recreate_Running': gettextCatalog.getString('Recreating database …'),
'Vacuum_Running': gettextCatalog.getString('Vacuuming database …'),
'Repair_Running': gettextCatalog.getString('Repairing database …'),
'Verify_Running': gettextCatalog.getString('Verifying files …'),
'BugReport_Running': gettextCatalog.getString('Creating bug report …'),
'Delete_Listing': gettextCatalog.getString('Listing remote files …'),
'Delete_Deleting': gettextCatalog.getString('Deleting remote files …'),
'PurgeFiles_Begin,': gettextCatalog.getString('Listing remote files for purge …'),
'PurgeFiles_Process,': gettextCatalog.getString('Purging files …'),
'PurgeFiles_Compact,': gettextCatalog.getString('Compacting remote data …'),
'PurgeFiles_Complete,': gettextCatalog.getString('Purging files complete!'),
'Error': gettextCatalog.getString('Error!')
};
};
reloadTexts();
$rootScope.$on('gettextLanguageChanged', reloadTexts);
this.watch = function (scope, m) {
scope.$on('serverstatechanged', function () {
$timeout(function () {
if (m) m();
scope.$digest();
});
});
if (m) $timeout(m);
return state;
}
this.resume = function () {
return AppService.post('/serverstate/resume');
};
this.pause = function (duration, pauseTransfers) {
var query = '';
if (duration != null && duration != 'infinite' && duration != '')
query += '?duration=' + duration;
if (pauseTransfers === true)
query += (query.length > 0 ? '&' : '?') + 'pauseTransfers=true';
return AppService.post('/serverstate/pause' + query);
};
function notifyTaskCompleted(taskid) {
if (waitingfortaskTimers[taskid] != null) {
window.clearInterval(waitingfortaskTimers[taskid]);
delete waitingfortaskTimers[taskid];
}
if (waitingfortask[taskid] != null) {
for(var i in waitingfortask[taskid])
waitingfortask[taskid][i]();
delete waitingfortask[taskid];
}
}
function checkTaskState(taskid) {
AppService.get('/task/' + taskid).then(
resp => {
if (resp.data.Status == 'Completed' || resp.data.Status == 'Failed')
notifyTaskCompleted(taskid);
},
// Ignore errors
resp => {
if (resp.status == 404)
notifyTaskCompleted(taskid);
}
);
}
this.callWhenTaskCompletes = function (taskid, callback) {
if (waitingfortask[taskid] == null)
waitingfortask[taskid] = [];
waitingfortask[taskid].push(callback);
// Guard against cases where the taks state is incorrectly reported
// This happens on really fast completion, and also sometimes on longer running tasks
if (waitingfortaskTimers[taskid] == null) {
waitingfortaskTimers[taskid] = window.setInterval(() => {
if (waitingfortask[taskid] == null)
{
if (waitingfortaskTimers[taskid] != null) {
window.clearInterval(waitingfortaskTimers[taskid]);
delete waitingfortaskTimers[taskid];
}
return;
}
checkTaskState(taskid);
}, 1000);
}
};
// This appears to be broken, and causes the UI to hang
// We should re-write the task check system to use websockets and not poll
// var lastTaskId = null;
// $rootScope.$on('serverstatechanged.activeTask', function () {
// var currentTaskId = state.activeTask == null ? null : state.activeTask.Item1;
// if (lastTaskId != null && currentTaskId != lastTaskId && waitingfortask[lastTaskId] != null)
// checkTaskState(lastTaskId);
// lastTaskId = currentTaskId;
// });
var progressPollTimer = null;
var progressPollInProgress = false;
var progressPollWait = 2000;
function startUpdateProgressPoll() {
if (progressPollInProgress)
return;
if (state.activeTask == null) {
if (progressPollTimer != null)
clearTimeout(progressPollTimer);
progressPollTimer = null;
state.lastPgEvent = null;
} else {
progressPollInProgress = true;
if (progressPollTimer != null)
clearTimeout(progressPollTimer);
progressPollTimer = null;
AppService.get('/progressstate').then(
function (resp) {
state.lastPgEvent = resp.data;
progressPollInProgress = false;
progressPollTimer = setTimeout(startUpdateProgressPoll, progressPollWait);
},
function (resp) {
progressPollInProgress = false;
progressPollTimer = setTimeout(startUpdateProgressPoll, progressPollWait);
}
);
}
};
let websocketReconnectTimer = null;
const countdownForReconnect = function (m) {
if (websocketReconnectTimer != null) {
window.clearInterval(websocketReconnectTimer);
websocketReconnectTimer = null;
}
const retryAt = new Date(new Date().getTime() + 15000);
state.connectionAttemptTimer = new Date() - retryAt;
$rootScope.$broadcast('serverstatechanged');
websocketReconnectTimer = window.setInterval(function () {
state.connectionAttemptTimer = retryAt - new Date();
if (state.connectionAttemptTimer <= 0) {
window.clearInterval(websocketReconnectTimer);
websocketReconnectTimer = null;
m();
} else {
$rootScope.$broadcast('serverstatechanged');
}
}, 1000);
};
var updatepausetimer = null;
function pauseTimerUpdater(skipNotify) {
var prev = state.pauseTimeRemain;
state.pauseTimeRemain = Math.max(0, AppUtils.parseDate(state.estimatedPauseEnd) - new Date());
if (state.pauseTimeRemain > 0 && updatepausetimer == null) {
updatepausetimer = setInterval(pauseTimerUpdater, 5000);
} else if (state.pauseTimeRemain <= 0 && updatepausetimer != null) {
clearInterval(updatepausetimer);
updatepausetimer = null;
}
if (prev != state.pauseTimeRemain && !skipNotify)
$rootScope.$broadcast('serverstatechanged.pauseTimeRemain', state.pauseTimeRemain);
return prev != state.pauseTimeRemain;
}
var notifyIfChanged = function (data, dataname, varname) {
if (state[varname] != data[dataname]) {
if (varname === 'estimatedPauseEnd') {
state[varname] = new Date(data[dataname]);
} else {
state[varname] = data[dataname];
}
$rootScope.$broadcast('serverstatechanged.' + varname, state[varname]);
return true;
}
return false;
}
function handleServerState(response) {
var oldEventId = state.lastEventId;
var anychanged =
notifyIfChanged(response.data, 'LastEventID', 'lastEventId') |
notifyIfChanged(response.data, 'LastDataUpdateID', 'lastDataUpdateId') |
notifyIfChanged(response.data, 'LastNotificationUpdateID', 'lastNotificationUpdateId') |
notifyIfChanged(response.data, 'ActiveTask', 'activeTask') |
notifyIfChanged(response.data, 'ProgramState', 'programState') |
notifyIfChanged(response.data, 'EstimatedPauseEnd', 'estimatedPauseEnd') |
notifyIfChanged(response.data, 'UpdaterState', 'updaterState') |
notifyIfChanged(response.data, 'UpdateDownloadLink', 'updateDownloadLink') |
notifyIfChanged(response.data, 'UpdatedVersion', 'updatedVersion') |
notifyIfChanged(response.data, 'UpdateDownloadProgress', 'updateDownloadProgress');
if (!angular.equals(state.proposedSchedule, response.data.ProposedSchedule)) {
state.proposedSchedule.length = 0;
state.proposedSchedule.push.apply(state.proposedSchedule, response.data.ProposedSchedule);
$rootScope.$broadcast('serverstatechanged.proposedSchedule', state.proposedSchedule);
anychanged = true;
}
if (!angular.equals(state.schedulerQueueIds, response.data.SchedulerQueueIds)) {
state.schedulerQueueIds.length = 0;
state.schedulerQueueIds.push.apply(state.schedulerQueueIds, response.data.SchedulerQueueIds);
$rootScope.$broadcast('serverstatechanged.schedulerQueueIds', state.schedulerQueueIds);
anychanged = true;
}
// Clear error indicators
state.failedConnectionAttempts = 0;
state.failedAuthAttempts = 0;
if (state.connectionState != 'connected') {
state.connectionState = 'connected';
$rootScope.$broadcast('serverstatechanged.connectionState', state.connectionState);
anychanged = true;
// Reload page, server restarted
if (oldEventId > state.lastEventId)
location.reload(true);
}
anychanged |= pauseTimerUpdater(true);
if (anychanged)
$rootScope.$broadcast('serverstatechanged');
if (state.activeTask != null)
startUpdateProgressPoll();
if (!useWebsocket)
updateServerState(false);
}
const webSocketUnauthorizedCode = 4401;
const unauthorizedCode = 401;
function handleConnectionError(response) {
state.failedConnectionAttempts++;
if (response.status === webSocketUnauthorizedCode || response.status === unauthorizedCode)
{
AppService.clearAccessToken();
state.failedAuthAttempts++;
}
// First failure, we ignore
if (state.connectionState == 'connected' && state.failedConnectionAttempts == 1) {
updateServerState();
} else if (state.failedAuthAttempts > 1 && (response.status === webSocketUnauthorizedCode || response.status === unauthorizedCode)) {
state.connectionState = 'unauthorized';
$rootScope.$broadcast('serverstatechanged');
} else {
state.connectionState = 'disconnected';
$rootScope.$broadcast('serverstatechanged');
countdownForReconnect(function () {
updateServerState(true);
});
}
}
var updateServerState = function (fastcall) {
if (state.connectionState !== 'connected') {
state.connectionState = 'connecting';
$rootScope.$broadcast('serverstatechanged');
}
self.reconnect(fastcall);
};
const reconnect_websocket = function () {
const websocketProtocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
const parts = window.location.pathname.split('/').slice(0, -2); // Remove the last two segments (e.g., index.html and ngax)
const websocketPath = parts.join('/') + '/notifications';
const w = new WebSocket(`${websocketProtocol}//${window.location.host}${websocketPath}?token=${AppService.access_token}`);
w.addEventListener("message", (event) => {
const status = JSON.parse(event.data);
handleServerState({data: status});
});
w.addEventListener("close", (event) => {
window.websocket = null;
handleConnectionError({status: event.code});
});
return w;
};
const reconnect_longpoll = function (fastcall) {
const url = '/serverstate/?lasteventid=' + parseInt(state.lastEventId) + '&longpoll=' + (((!fastcall) && (state.lastEventId > 0)) ? 'true' : 'false') + '&duration=' + parseInt((longpolltime-1000) / 1000) + 's';
AppService.get(url, fastcall ? null : {timeout: state.lastEventId > 0 ? longpolltime : 5000}).then(
handleServerState, handleConnectionError
);
}
this.reconnect = function (fastcall) {
if (websocketReconnectTimer != null) {
window.clearInterval(websocketReconnectTimer);
websocketReconnectTimer = null;
}
AppService.getAccessToken().then(() => {
if (useWebsocket)
window.websocket = reconnect_websocket();
else
reconnect_longpoll(fastcall);
}, resp => {
handleConnectionError(resp);
});
}
this.reconnect();
});