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Stop syncing in a hard loop

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This commit is contained in:
Ben Gotow 2016-07-08 15:36:50 -07:00
parent 53a2e7e56b
commit 8c122a57a3
1 changed files with 19 additions and 12 deletions
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31
packages/nylas-sync/sync-worker.js
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@ -29,7 +29,7 @@ class SyncWorker {
this._expirationTimer = null;
this._destroyed = false;
this.syncNow();
this.syncNow({reason: 'Initial'});
this._onMessage = this._onMessage.bind(this);
this._listener = PubsubConnector.observeAccount(account.id).subscribe(this._onMessage)
@ -54,22 +54,23 @@ class SyncWorker {
case MessageTypes.ACCOUNT_UPDATED:
this._onAccountUpdated(); break;
case MessageTypes.SYNCBACK_REQUESTED:
this.syncNow(); break;
this.syncNow({reason: 'Syncback Action Queued'}); break;
default:
throw new Error(`Invalid message: ${msg}`)
}
}
_onAccountUpdated() {
console.log("SyncWorker: Detected change to account. Reloading and syncing now.");
this._getAccount().then((account) => {
this._account = account;
this.syncNow();
})
if (this.isNextSyncScheduled()) {
this._getAccount().then((account) => {
this._account = account;
this.syncNow({reason: 'Account Modification'});
});
}
}
_onConnectionIdleUpdate() {
this.syncNow();
this.syncNow({reason: 'IMAP IDLE Fired'});
}
_getAccount() {
@ -151,13 +152,15 @@ class SyncWorker {
.then(() => this.syncAllCategories())
}
syncNow() {
syncNow({reason} = {}) {
clearTimeout(this._syncTimer);
this._syncTimer = null;
if (!process.env.SYNC_AFTER_ERRORS && this._account.errored()) {
console.log(`SyncWorker: Account ${this._account.emailAddress} is in error state - Skipping sync`)
console.log(`SyncWorker: Account ${this._account.emailAddress} (${this._account.id}) is in error state - Skipping sync`)
return
}
console.log(`SyncWorker: Account ${this._account.emailAddress} (${this._account.id}) sync started (${reason})`)
this.ensureConnection()
.then(() => this._account.update({syncError: null}))
@ -171,7 +174,7 @@ class SyncWorker {
}
onSyncError(error) {
console.error(`SyncWorker: Error while syncing account ${this._account.emailAddress} `, error)
console.error(`SyncWorker: Error while syncing account ${this._account.emailAddress} (${this._account.id})`, error)
this.closeConnection()
if (error.source === 'socket') {
@ -216,6 +219,10 @@ class SyncWorker {
throw new Error(`SyncWorker.onSyncDidComplete: Unknown afterSync behavior: ${afterSync}. Closing connection`)
}
isNextSyncScheduled() {
return this._syncTimer != null;
}
scheduleNextSync() {
if (Date.now() - this._startTime > CLAIM_DURATION) {
console.log("SyncWorker: - Has held account for more than CLAIM_DURATION, returning to pool.");
@ -232,7 +239,7 @@ class SyncWorker {
const target = this._lastSyncTime + interval;
console.log(`SyncWorker: Account ${active ? 'active' : 'inactive'}. Next sync scheduled for ${new Date(target).toLocaleString()}`);
this._syncTimer = setTimeout(() => {
this.syncNow();
this.syncNow({reason: 'Scheduled'});
}, target - Date.now());
}
});