Merge pull request #246 from hugmanrique/fix/sqlite-errors
Log SQLite errors
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commit
f0d4fc23ff
@ -22,10 +22,10 @@ class App {
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this.database = new Database(this)
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// Setup database instance
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this.database.ensureIndexes()
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this.database.loadGraphPoints(config.graphDuration, () => {
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this.database.loadRecords(callback)
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this.database.ensureIndexes(() => {
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this.database.loadGraphPoints(config.graphDuration, () => {
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this.database.loadRecords(callback)
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})
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})
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}
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@ -1,5 +1,7 @@
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const sqlite = require('sqlite3')
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const logger = require('./logger')
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const config = require('../config')
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const { TimeTracker } = require('./time')
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@ -28,18 +30,36 @@ class Database {
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// Ensure the initial tables are created
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// This does not created indexes since it is only inserted to
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this._currentDatabaseCopyInstance.serialize(() => {
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this._currentDatabaseCopyInstance.run('CREATE TABLE IF NOT EXISTS pings (timestamp BIGINT NOT NULL, ip TINYTEXT, playerCount MEDIUMINT)')
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this._currentDatabaseCopyInstance.run('CREATE TABLE IF NOT EXISTS pings (timestamp BIGINT NOT NULL, ip TINYTEXT, playerCount MEDIUMINT)', err => {
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if (err) {
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logger.log('error', 'Cannot create initial table for daily database')
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throw err
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}
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})
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})
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}
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return this._currentDatabaseCopyInstance
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}
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ensureIndexes () {
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ensureIndexes (callback) {
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const handleError = err => {
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if (err) {
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logger.log('error', 'Cannot create table or table index')
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throw err
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}
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}
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this._sql.serialize(() => {
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this._sql.run('CREATE TABLE IF NOT EXISTS pings (timestamp BIGINT NOT NULL, ip TINYTEXT, playerCount MEDIUMINT)')
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this._sql.run('CREATE INDEX IF NOT EXISTS ip_index ON pings (ip, playerCount)')
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this._sql.run('CREATE INDEX IF NOT EXISTS timestamp_index on PINGS (timestamp)')
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this._sql.run('CREATE TABLE IF NOT EXISTS pings (timestamp BIGINT NOT NULL, ip TINYTEXT, playerCount MEDIUMINT)', handleError)
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this._sql.run('CREATE INDEX IF NOT EXISTS ip_index ON pings (ip, playerCount)', handleError)
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this._sql.run('CREATE INDEX IF NOT EXISTS timestamp_index on PINGS (timestamp)', [], err => {
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handleError(err)
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// Queries are executed one at a time; this is the last one.
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// Note that queries not scheduled directly in the callback function of
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// #serialize are not necessarily serialized.
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callback()
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})
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})
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}
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@ -125,13 +145,24 @@ class Database {
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this._sql.all('SELECT * FROM pings WHERE timestamp >= ? AND timestamp <= ?', [
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startTime,
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endTime
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], (_, data) => callback(data))
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], (err, data) => {
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if (err) {
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logger.log('error', 'Cannot get recent pings')
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throw err
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}
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callback(data)
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})
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}
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getRecord (ip, callback) {
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this._sql.all('SELECT MAX(playerCount), timestamp FROM pings WHERE ip = ?', [
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ip
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], (_, data) => {
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], (err, data) => {
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if (err) {
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logger.log('error', `Cannot get ping record for ${ip}`)
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throw err
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}
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// For empty results, data will be length 1 with [null, null]
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const playerCount = data[0]['MAX(playerCount)']
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const timestamp = data[0].timestamp
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@ -139,10 +170,10 @@ class Database {
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// Allow null timestamps, the frontend will safely handle them
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// This allows insertion of free standing records without a known timestamp
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if (playerCount !== null) {
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// eslint-disable-next-line standard/no-callback-literal
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// eslint-disable-next-line node/no-callback-literal
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callback(true, playerCount, timestamp)
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} else {
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// eslint-disable-next-line standard/no-callback-literal
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// eslint-disable-next-line node/no-callback-literal
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callback(false)
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}
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})
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@ -161,7 +192,12 @@ class Database {
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_insertPingTo (ip, timestamp, unsafePlayerCount, db) {
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const statement = db.prepare('INSERT INTO pings (timestamp, ip, playerCount) VALUES (?, ?, ?)')
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statement.run(timestamp, ip, unsafePlayerCount)
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statement.run(timestamp, ip, unsafePlayerCount, err => {
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if (err) {
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logger.error(`Cannot insert ping record of ${ip} at ${timestamp}`)
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throw err
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}
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})
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statement.finalize()
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}
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}
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