divorce
b735900f2e
ddat interop with dat js cable interop with cabal js ddat's frontend = dat-thang cable fe = cable-thang dillo support based on cel's dillo-dat bootstrap node xplatform support Signed-off-by: divo <418@cryspace.space>
70 lines
3.0 KiB
JavaScript
70 lines
3.0 KiB
JavaScript
const fs = require('fs')
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const os = require('os')
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const path = require('path')
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const hyperdrive = require('../../extra/dillo-dat/node_modules/hyperdrive')
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const hyperdiscovery = require('../../extra/dillo-dat/node_modules/hyperdiscovery')
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function ready (archive) {
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return new Promise((resolve, reject) => archive.ready(err => err ? reject(err) : resolve()))
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}
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function writeFile (archive, name, data) {
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return new Promise((resolve, reject) => archive.writeFile(name, data, err => err ? reject(err) : resolve()))
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}
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function readFile (archive, name) {
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return new Promise((resolve, reject) => archive.readFile(name, (err, data) => err ? reject(err) : resolve(data)))
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}
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function listening (swarm) {
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if (swarm.address()) return Promise.resolve(swarm.address())
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return new Promise(resolve => swarm.once('listening', () => resolve(swarm.address())))
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}
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function sleep (ms) { return new Promise(resolve => setTimeout(resolve, ms)) }
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async function main () {
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const root = fs.mkdtempSync(path.join(process.env.DDAT_TEST_DIR || os.tmpdir(), 'ddat-js-p2p-'))
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let source, replica, sourceSwarm, replicaSwarm
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try {
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source = hyperdrive(path.join(root, 'source'))
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await ready(source)
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const key = source.key.toString('hex')
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const address = 'dat://' + key
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await writeFile(source, 'hello.txt', 'hello from old dillo-dat v1')
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await writeFile(source, 'hello.txt', 'hello from old dillo-dat v2')
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if (source.key.toString('hex') !== key) throw new Error('JS archive address changed after update')
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replica = hyperdrive(path.join(root, 'replica'), source.key, {sparse: true})
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await ready(replica)
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sourceSwarm = hyperdiscovery(source, {port: 0, discovery: false, dht: false, dns: false, utp: false})
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replicaSwarm = hyperdiscovery(replica, {port: 0, discovery: false, dht: false, dns: false, utp: false})
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const sourceAddress = await listening(sourceSwarm)
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const replicaAddress = await listening(replicaSwarm)
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const topic = source.discoveryKey
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sourceSwarm.addPeer(topic, {host: '127.0.0.1', port: replicaAddress.port})
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replicaSwarm.addPeer(topic, {host: '127.0.0.1', port: sourceAddress.port})
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const deadline = Date.now() + 15000
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let result
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while (Date.now() < deadline) {
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try { result = await readFile(replica, 'hello.txt'); break } catch (_) { await sleep(100) }
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}
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if (!result || result.toString() !== 'hello from old dillo-dat v2') throw new Error('old JS replication did not deliver the latest file')
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process.stdout.write('old Dillo Dat JS create/update/address/xfer: PASS ' + address +
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' metadata=' + source.metadata.length + ' content=' + source.content.length + '\n')
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} finally {
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if (sourceSwarm) sourceSwarm.destroy()
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if (replicaSwarm) replicaSwarm.destroy()
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if (source) source.close()
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if (replica) replica.close()
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if (process.env.DDAT_TEST_KEEP === '1') {
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process.stdout.write('kept old JS source and replica at ' + root + '\n')
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} else {
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fs.rmSync(root, {recursive: true, force: true})
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}
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}
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}
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main().catch(err => { console.error(err); process.exitCode = 1 })
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