diff --git a/src/vector/rageshake.js b/src/vector/rageshake.js index 9b6106ed..65462d15 100644 --- a/src/vector/rageshake.js +++ b/src/vector/rageshake.js @@ -24,7 +24,7 @@ limitations under the License. // generates a random string which serves as the "ID" for that tab/session. These IDs are stored along with the log lines. // - Bug reports are sent as a POST over HTTPS: it purposefully does not use Matrix as bug reports may be made when Matrix is // not responsive (which may be the cause of the bug). We send the most recent N MB of UTF-8 log data, starting with the most -// recent, which we know because the "ID"s are actually timestamps. We then purge the remaining logs. We also do this check +// recent, which we know because the "ID"s are actually timestamps. We then purge the remaining logs. We also do this purge // on startup to prevent logs from accumulating. const FLUSH_RATE_MS = 30 * 1000; @@ -38,6 +38,7 @@ class ConsoleLogger { const consoleFunctionsToLevels = { log: "I", info: "I", + warn: "W", error: "E", }; Object.keys(consoleFunctionsToLevels).forEach((fnName) => { @@ -110,6 +111,12 @@ class IndexedDBLogStore { const objectStore = db.createObjectStore("logs", { keyPath: ["id", "index"] }); + // Keys in the database look like: [ "instance-148938490", 0 ] + // Later on we need to query for everything with index=0, and query everything for an instance id. + // In order to do this, we need to set up indexes on both "id" and "index". + objectStore.createIndex("index", "index", { unique: false }); + objectStore.createIndex("id", "id", { unique: false }); + objectStore.add( this._generateLogEntry( new Date() + " ::: Log database was created." @@ -161,9 +168,11 @@ class IndexedDBLogStore { const MAX_LOG_SIZE = 1024 * 1024 * 50; // 50 MB // To gather all the logs, we first query for every log entry with index "0", this will let us // know all the IDs from different tabs/sessions. - return new Promise((resolve, reject) => { - // let txn = this.db.transaction("logs", "readonly"); - // let objectStore = txn.objectStore("logs"); + const txn = this.db.transaction("logs", "readonly"); + const objectStore = txn.objectStore("logs"); + return selectQuery(objectStore.index("index"), IDBKeyRange.only(0), (cursor) => cursor.value.id).then((res) => { + console.log("Instances: ", res); + }); // we know each entry has a unique ID, and we know IDs are timestamps, so accumulate all the IDs, // ignoring the logs for now, and sort them to work out the correct log ID ordering. @@ -175,7 +184,6 @@ class IndexedDBLogStore { // Remove all logs that are older than the cutoff (or the entire logs if clearAll is set). // Return the logs that are within the cutoff. - }); } _generateLogEntry(lines) { @@ -187,6 +195,34 @@ class IndexedDBLogStore { } } +/** + * Helper method to collect results from a Cursor and promiseify it. + * @param {ObjectStore|Index} store The store to perform openCursor on. + * @param {IDBKeyRange=} keyRange Optional key range to apply on the cursor. + * @param {Function} resultMapper A function which is repeatedly called with a Cursor. + * Return the data you want to keep. + * @return {Promise} Resolves to an array of whatever you returned from resultMapper. + */ +function selectQuery(store, keyRange, resultMapper) { + const query = store.openCursor(keyRange); + return new Promise((resolve, reject) => { + let results = []; + query.onerror = (event) => { + reject(new Error("Query failed: " + event.target.errorCode)); + }; + // collect results + query.onsuccess = (event) => { + const cursor = event.target.result; + if (!cursor) { + resolve(results); + return; // end of results + } + results.push(resultMapper(cursor)); + cursor.continue(); + } + }); +} + let store = null; let inited = false;