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Track EnvWraps to ensure that they can be closed on exit
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Original file line number | Diff line number | Diff line change |
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var assert = require('assert'); | ||
const { Worker, isMainThread, parentPort, threadId } = require('worker_threads'); | ||
var path = require('path'); | ||
var numCPUs = require('os').cpus().length; | ||
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const { open } = require('../dist/index.cjs'); | ||
const MAX_DB_SIZE = 256 * 1024 * 1024; | ||
if (isMainThread) { | ||
var inspector = require('inspector') | ||
// inspector.open(9331, null, true);debugger | ||
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// The main thread | ||
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let db = open({ | ||
path: path.resolve(__dirname, './testdata'), | ||
maxDbs: 10, | ||
mapSize: MAX_DB_SIZE, | ||
maxReaders: 126, | ||
overlappingSync: true, | ||
}); | ||
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var workerCount = Math.min(numCPUs * 2, 20); | ||
var value = {test: '48656c6c6f2c20776f726c6421'}; | ||
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// This will start as many workers as there are CPUs available. | ||
var workers = []; | ||
for (var i = 0; i < workerCount; i++) { | ||
var worker = new Worker(__filename); | ||
workers.push(worker); | ||
} | ||
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var messages = []; | ||
workers.forEach(function(worker) { | ||
worker.on('message', function(msg) { | ||
messages.push(msg); | ||
// Once every worker has replied with a response for the value | ||
// we can exit the test. | ||
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setTimeout(() => { | ||
worker.terminate() | ||
}, 8000); | ||
if (messages.length === workerCount) { | ||
db.close(); | ||
for (var i = 0; i < messages.length; i ++) { | ||
assert(messages[i] === value.toString('hex')); | ||
} | ||
console.log("done", threadId) | ||
//setTimeout(() => | ||
//process.exit(0), 200); | ||
} | ||
}); | ||
}); | ||
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for (var i = 0; i < workers.length; i++) { | ||
var worker = workers[i]; | ||
worker.postMessage({key: 'key' + i}); | ||
}; | ||
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} else { | ||
// The worker process | ||
let db = open({ | ||
path: path.resolve(__dirname, './testdata'), | ||
maxDbs: 10, | ||
mapSize: MAX_DB_SIZE, | ||
maxReaders: 126, | ||
overlappingSync: true, | ||
}); | ||
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parentPort.on('message', async function(msg) { | ||
if (msg.key) { | ||
var value = db.get(msg.key); | ||
let lastIterate = db.getRange().iterate() | ||
setInterval(() => { | ||
db.get(msg.key); | ||
let iterate = db.getRange().iterate(); | ||
while(!lastIterate.next().done){} | ||
lastIterate = iterate; | ||
}, 1); | ||
setTimeout(() => { | ||
if (value === null) { | ||
parentPort.postMessage(""); | ||
} else { | ||
parentPort.postMessage(value.toString('hex')); | ||
} | ||
}, 10000); | ||
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} | ||
}); | ||
} |