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Verbose logging to see what's up with indexeddb (#514)

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In an attempt to see why our tests sometimes time out, add a load of logging to
confirm exactly where it is happening.
This commit is contained in:
Richard van der Hoff
2017-07-25 11:38:28 +01:00
committed by Luke Barnard
parent 06eea71a37
commit d8f486fc0d
2 changed files with 41 additions and 0 deletions
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37
src/store/indexeddb-local-backend.js
View File

@@ -113,19 +113,41 @@ LocalIndexedDBStoreBackend.prototype = {
*/
connect: function() {
if (this.db) {
console.log(
`LocalIndexedDBStoreBackend.connect: already connected`,
);
return Promise.resolve();
}
console.log(
`LocalIndexedDBStoreBackend.connect: connecting`,
);
const req = this.indexedDB.open(this._dbName, VERSION);
req.onupgradeneeded = (ev) => {
const db = ev.target.result;
const oldVersion = ev.oldVersion;
console.log(
`LocalIndexedDBStoreBackend.connect: upgrading from ${oldVersion}`,
);
if (oldVersion < 1) { // The database did not previously exist.
createDatabase(db);
}
// Expand as needed.
};
req.onblocked = () => {
console.log(
`can't yet open LocalIndexedDBStoreBackend because it is open elsewhere`,
);
};
console.log(
`LocalIndexedDBStoreBackend.connect: awaiting connection`,
);
return promiseifyRequest(req).then((ev) => {
console.log(
`LocalIndexedDBStoreBackend.connect: connected`,
);
this.db = ev.target.result;
// add a poorly-named listener for when deleteDatabase is called
@@ -147,6 +169,9 @@ LocalIndexedDBStoreBackend.prototype = {
this._loadAccountData(),
this._loadSyncData(),
]).then(([accountData, syncData]) => {
console.log(
`LocalIndexedDBStoreBackend: loaded initial data`,
);
this._syncAccumulator.accumulate({
next_batch: syncData.nextBatch,
rooms: syncData.roomsData,
@@ -310,7 +335,13 @@ LocalIndexedDBStoreBackend.prototype = {
* @return {Promise<Object[]>} A list of raw global account events.
*/
_loadAccountData: function() {
console.log(
`LocalIndexedDBStoreBackend: loading account data`,
);
return Promise.try(() => {
console.log(
`LocalIndexedDBStoreBackend: loaded account data`,
);
const txn = this.db.transaction(["accountData"], "readonly");
const store = txn.objectStore("accountData");
return selectQuery(store, undefined, (cursor) => {
@@ -324,7 +355,13 @@ LocalIndexedDBStoreBackend.prototype = {
* @return {Promise<Object>} An object with "roomsData" and "nextBatch" keys.
*/
_loadSyncData: function() {
console.log(
`LocalIndexedDBStoreBackend: loaded sync data`,
);
return Promise.try(() => {
console.log(
`LocalIndexedDBStoreBackend: loaded sync data`,
);
const txn = this.db.transaction(["sync"], "readonly");
const store = txn.objectStore("sync");
return selectQuery(store, undefined, (cursor) => {

4
src/store/indexeddb.js
View File

@@ -115,12 +115,16 @@ utils.inherits(IndexedDBStore, MatrixInMemoryStore);
*/
IndexedDBStore.prototype.startup = function() {
if (this.startedUp) {
console.log(`IndexedDBStore.startup: already started`);
return Promise.resolve();
}
console.log(`IndexedDBStore.startup: connecting to backend`);
return this.backend.connect().then(() => {
console.log(`IndexedDBStore.startup: loading presence events`);
return this.backend.getUserPresenceEvents();
}).then((userPresenceEvents) => {
console.log(`IndexedDBStore.startup: processing presence events`);
userPresenceEvents.forEach(([userId, rawEvent]) => {
const u = new User(userId);
if (rawEvent) {