oier/PatataLauncher
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Pipe output from forked processes back to parent.

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Also cleaned up the code a bit. Switched to use lambda declarations in promises and renamed 'fulfill' to 'resolve', as it should be,
This commit is contained in:
Daniel Scalzi
2018-05-07 18:15:59 -04:00
parent 0c1ebd0ce0
commit cd4f7918c8
5 changed files with 84 additions and 73 deletions
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95
app/assets/js/assetguard.js
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@@ -98,7 +98,7 @@ class Library extends Asset {
if(rules == null) return true
let result = true
rules.forEach(function(rule){
rules.forEach((rule) => {
const action = rule['action']
const osProp = rule['os']
if(action != null){
@@ -381,7 +381,7 @@ class AssetGuard extends EventEmitter {
* @returns {Promise.<Object>} A promise which resolves to the distribution data object.
*/
static retrieveDistributionData(launcherPath, cached = true){
return new Promise(function(resolve, reject){
return new Promise((resolve, reject) => {
if(!cached || distributionData == null){
// TODO Download file from upstream.
const distroURL = 'http://mc.westeroscraft.com/WesterosCraftLauncher/westeroscraft.json'
@@ -401,7 +401,7 @@ class AssetGuard extends EventEmitter {
// Workaround while file is not hosted.
/*fs.readFile(path.join(__dirname, '..', 'westeroscraft.json'), 'utf-8', (err, data) => {
distributionData = JSON.parse(data)
fulfill(distributionData)
resolve(distributionData)
})*/
} else {
resolve(distributionData)
@@ -477,7 +477,11 @@ class AssetGuard extends EventEmitter {
* @returns {Promise.<void>} An empty promise to indicate the extraction has completed.
*/
static _extractPackXZ(filePaths, javaExecutable){
return new Promise(function(resolve, reject){
console.log('[PackXZExtract] Starting')
return new Promise((resolve, reject) => {
let libPath
if(isDev){
libPath = path.join(process.cwd(), 'libraries', 'java', 'PackXZExtract.jar')
@@ -488,17 +492,17 @@ class AssetGuard extends EventEmitter {
libPath = path.join(process.cwd(), 'resources', 'libraries', 'java', 'PackXZExtract.jar')
}
}
const filePath = filePaths.join(',')
const child = child_process.spawn(javaExecutable, ['-jar', libPath, '-packxz', filePath])
child.stdout.on('data', (data) => {
console.log('PackXZExtract:', data.toString('utf8'))
console.log('[PackXZExtract]', data.toString('utf8'))
})
child.stderr.on('data', (data) => {
console.log('PackXZExtract:', data.toString('utf8'))
console.log('[PackXZExtract]', data.toString('utf8'))
})
child.on('close', (code, signal) => {
console.log('PackXZExtract: Exited with code', code)
console.log('[PackXZExtract]', 'Exited with code', code)
resolve()
})
})
@@ -515,7 +519,7 @@ class AssetGuard extends EventEmitter {
* @returns {Promise.<Object>} A promise which resolves to the contents of forge's version.json.
*/
static _finalizeForgeAsset(asset, basePath){
return new Promise(function(resolve, reject){
return new Promise((resolve, reject) => {
fs.readFile(asset.to, (err, data) => {
const zip = new AdmZip(data)
const zipEntries = zip.getEntries()
@@ -1066,9 +1070,9 @@ class AssetGuard extends EventEmitter {
*/
validateAssets(versionData, force = false){
const self = this
return new Promise(function(fulfill, reject){
return new Promise((resolve, reject) => {
self._assetChainIndexData(versionData, force).then(() => {
fulfill()
resolve()
})
})
}
@@ -1083,7 +1087,7 @@ class AssetGuard extends EventEmitter {
*/
_assetChainIndexData(versionData, force = false){
const self = this
return new Promise(function(fulfill, reject){
return new Promise((resolve, reject) => {
//Asset index constants.
const assetIndex = versionData.assetIndex
const name = assetIndex.id + '.json'
@@ -1095,16 +1099,16 @@ class AssetGuard extends EventEmitter {
console.log('Downloading ' + versionData.id + ' asset index.')
mkpath.sync(indexPath)
const stream = request(assetIndex.url).pipe(fs.createWriteStream(assetIndexLoc))
stream.on('finish', function() {
stream.on('finish', () => {
data = JSON.parse(fs.readFileSync(assetIndexLoc, 'utf-8'))
self._assetChainValidateAssets(versionData, data).then(() => {
fulfill()
resolve()
})
})
} else {
data = JSON.parse(fs.readFileSync(assetIndexLoc, 'utf-8'))
self._assetChainValidateAssets(versionData, data).then(() => {
fulfill()
resolve()
})
}
})
@@ -1119,7 +1123,7 @@ class AssetGuard extends EventEmitter {
*/
_assetChainValidateAssets(versionData, indexData){
const self = this
return new Promise(function(fulfill, reject){
return new Promise((resolve, reject) => {
//Asset constants
const resourceURL = 'http://resources.download.minecraft.net/'
@@ -1132,7 +1136,7 @@ class AssetGuard extends EventEmitter {
let acc = 0
const total = Object.keys(indexData.objects).length
//const objKeys = Object.keys(data.objects)
async.forEachOfLimit(indexData.objects, 10, function(value, key, cb){
async.forEachOfLimit(indexData.objects, 10, (value, key, cb) => {
acc++
self.emit('assetVal', {acc, total})
const hash = value.hash
@@ -1144,9 +1148,9 @@ class AssetGuard extends EventEmitter {
assetDlQueue.push(ast)
}
cb()
}, function(err){
}, (err) => {
self.assets = new DLTracker(assetDlQueue, dlSize)
fulfill()
resolve()
})
})
}
@@ -1167,7 +1171,7 @@ class AssetGuard extends EventEmitter {
*/
validateLibraries(versionData){
const self = this
return new Promise(function(fulfill, reject){
return new Promise((resolve, reject) => {
const libArr = versionData.libraries
const libPath = path.join(self.basePath, 'libraries')
@@ -1176,7 +1180,7 @@ class AssetGuard extends EventEmitter {
let dlSize = 0
//Check validity of each library. If the hashs don't match, download the library.
async.eachLimit(libArr, 5, function(lib, cb){
async.eachLimit(libArr, 5, (lib, cb) => {
if(Library.validateRules(lib.rules)){
let artifact = (lib.natives == null) ? lib.downloads.artifact : lib.downloads.classifiers[lib.natives[Library.mojangFriendlyOS()]]
const libItm = new Library(lib.name, artifact.sha1, artifact.size, artifact.url, path.join(libPath, artifact.path))
@@ -1186,9 +1190,9 @@ class AssetGuard extends EventEmitter {
}
}
cb()
}, function(err){
}, (err) => {
self.libraries = new DLTracker(libDlQueue, dlSize)
fulfill()
resolve()
})
})
}
@@ -1207,10 +1211,10 @@ class AssetGuard extends EventEmitter {
*/
validateMiscellaneous(versionData){
const self = this
return new Promise(async function(fulfill, reject){
return new Promise(async (resolve, reject) => {
await self.validateClient(versionData)
await self.validateLogConfig(versionData)
fulfill()
resolve()
})
}
@@ -1223,7 +1227,7 @@ class AssetGuard extends EventEmitter {
*/
validateClient(versionData, force = false){
const self = this
return new Promise(function(fulfill, reject){
return new Promise((resolve, reject) => {
const clientData = versionData.downloads.client
const version = versionData.id
const targetPath = path.join(self.basePath, 'versions', version)
@@ -1234,9 +1238,9 @@ class AssetGuard extends EventEmitter {
if(!AssetGuard._validateLocal(client.to, 'sha1', client.hash) || force){
self.files.dlqueue.push(client)
self.files.dlsize += client.size*1
fulfill()
resolve()
} else {
fulfill()
resolve()
}
})
}
@@ -1250,7 +1254,7 @@ class AssetGuard extends EventEmitter {
*/
validateLogConfig(versionData){
const self = this
return new Promise(function(fulfill, reject){
return new Promise((resolve, reject) => {
const client = versionData.logging.client
const file = client.file
const targetPath = path.join(self.basePath, 'assets', 'log_configs')
@@ -1260,9 +1264,9 @@ class AssetGuard extends EventEmitter {
if(!AssetGuard._validateLocal(logConfig.to, 'sha1', logConfig.hash)){
self.files.dlqueue.push(logConfig)
self.files.dlsize += logConfig.size*1
fulfill()
resolve()
} else {
fulfill()
resolve()
}
})
}
@@ -1280,7 +1284,7 @@ class AssetGuard extends EventEmitter {
*/
validateDistribution(serverpackid){
const self = this
return new Promise(function(fulfill, reject){
return new Promise((resolve, reject) => {
AssetGuard.retrieveDistributionData(self.launcherPath, false).then((value) => {
/*const servers = value.servers
let serv = null
@@ -1300,29 +1304,16 @@ class AssetGuard extends EventEmitter {
// Correct our workaround here.
let decompressqueue = self.forge.callback
self.extractQueue = decompressqueue
self.forge.callback = function(asset, self){
self.forge.callback = (asset, self) => {
if(asset.type === 'forge-hosted' || asset.type === 'forge'){
AssetGuard._finalizeForgeAsset(asset, self.basePath)
}
}
fulfill(serv)
resolve(serv)
})
})
}
/*//TODO The file should be hosted, the following code is for local testing.
_chainValidateDistributionIndex(basePath){
return new Promise(function(fulfill, reject){
//const distroURL = 'http://mc.westeroscraft.com/WesterosCraftLauncher/westeroscraft.json'
//const targetFile = path.join(basePath, 'westeroscraft.json')
//TEMP WORKAROUND TO TEST WHILE THIS IS NOT HOSTED
fs.readFile(path.join(__dirname, '..', 'westeroscraft.json'), 'utf-8', (err, data) => {
fulfill(JSON.parse(data))
})
})
}*/
_parseDistroModules(modules, version){
let alist = []
let asize = 0;
@@ -1378,7 +1369,7 @@ class AssetGuard extends EventEmitter {
*/
loadForgeData(serverpack){
const self = this
return new Promise(async function(fulfill, reject){
return new Promise(async (resolve, reject) => {
let distro = AssetGuard.retrieveDistributionDataSync(self.launcherPath)
const servers = distro.servers
@@ -1398,7 +1389,7 @@ class AssetGuard extends EventEmitter {
let obPath = obArtifact.path == null ? path.join(self.basePath, 'libraries', AssetGuard._resolvePath(ob.id, obArtifact.extension)) : obArtifact.path
let asset = new DistroModule(ob.id, obArtifact.MD5, obArtifact.size, obArtifact.url, obPath, ob.type)
let forgeData = await AssetGuard._finalizeForgeAsset(asset, self.basePath)
fulfill(forgeData)
resolve(forgeData)
return
}
}
@@ -1541,7 +1532,7 @@ class AssetGuard extends EventEmitter {
if(concurrentDlQueue.length === 0){
return false
} else {
async.eachLimit(concurrentDlQueue, limit, function(asset, cb){
async.eachLimit(concurrentDlQueue, limit, (asset, cb) => {
let count = 0;
mkpath.sync(path.join(asset.to, ".."))
let req = request(asset.from)
@@ -1570,14 +1561,14 @@ class AssetGuard extends EventEmitter {
req.on('error', (err) => {
self.emit('dlerror', err)
})
req.on('data', function(chunk){
req.on('data', (chunk) => {
count += chunk.length
self.progress += chunk.length
acc += chunk.length
self.emit(identifier + 'dlprogress', acc)
self.emit('totaldlprogress', {acc: self.progress, total: self.totaldlsize})
})
}, function(err){
}, (err) => {
if(err){
self.emit(identifier + 'dlerror')
console.log('An item in ' + identifier + ' failed to process');