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Update cluster shim for Bun

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This commit is contained in:
Dorian Niemiec 2024-08-27 13:59:28 +02:00
parent a66c296206
commit 756d66c654
1 changed files with 26 additions and 24 deletions
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50
src/utils/clusterBunShim.js
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@ -8,13 +8,14 @@ if (!process.singleThreaded) {
try {
// Import cluster module
cluster = require("cluster");
// eslint-disable-next-line no-unused-vars
} catch (err) {
// Clustering is not supported!
}
// Cluster & IPC shim for Bun
cluster.bunShim = function () {
cluster.bunShim = () => {
cluster.isMaster = !process.env.NODE_UNIQUE_ID;
cluster.isPrimary = cluster.isMaster;
cluster.isWorker = !cluster.isMaster;
@ -25,11 +26,11 @@ if (!process.singleThreaded) {
cluster.worker = {
id: parseInt(process.env.NODE_UNIQUE_ID),
process: process,
isDead: function () {
isDead: () => {
return false;
},
send: function (message, b, c, d) {
process.send(message, b, c, d);
send: (message, ...params) => {
process.send(message, ...params);
},
};
@ -37,14 +38,14 @@ if (!process.singleThreaded) {
// Shim the process.send function for worker processes
// Create a fake IPC server to receive messages
let fakeIPCServer = net.createServer(function (socket) {
let fakeIPCServer = net.createServer((socket) => {
let receivedData = "";
socket.on("data", function (data) {
socket.on("data", (data) => {
receivedData += data.toString();
});
socket.on("end", function () {
socket.on("end", () => {
process.emit("message", receivedData);
});
});
@ -58,7 +59,7 @@ if (!process.singleThreaded) {
: process.dirname + "/temp/.W" + process.pid + ".ipc",
);
process.send = function (message) {
process.send = (message) => {
// Create a fake IPC connection to send messages
let fakeIPCConnection = net.createConnection(
os.platform() === "win32"
@ -68,15 +69,15 @@ if (!process.singleThreaded) {
"temp/.P" + process.pid + ".ipc",
)
: process.dirname + "/temp/.P" + process.pid + ".ipc",
function () {
() => {
fakeIPCConnection.end(message);
},
);
};
process.removeFakeIPC = function () {
process.removeFakeIPC = () => {
// Close IPC server
process.send = function () {};
process.send = () => {};
fakeIPCServer.close();
};
}
@ -85,11 +86,11 @@ if (!process.singleThreaded) {
// Custom implementation for cluster.fork()
cluster._workersCounter = 1;
cluster.workers = {};
cluster.fork = function (env) {
cluster.fork = (env) => {
const child_process = require("child_process");
let newEnvironment = Object.assign(env ? env : process.env);
let newEnvironment = Object.assign({}, env ? env : process.env);
newEnvironment.NODE_UNIQUE_ID = cluster._workersCounter;
let newArguments = Object.assign(process.argv);
let newArguments = Object.assign([], process.argv);
let command = newArguments.shift();
let newWorker = child_process.spawn(command, newArguments, {
env: newEnvironment,
@ -97,7 +98,7 @@ if (!process.singleThreaded) {
});
newWorker.process = newWorker;
newWorker.isDead = function () {
newWorker.isDead = () => {
return newWorker.exitCode !== null || newWorker.killed;
};
newWorker.id = newEnvironment.NODE_UNIQUE_ID;
@ -117,13 +118,14 @@ if (!process.singleThreaded) {
}
let oldLog = console.log;
console.log = function (a, b, c, d, e, f) {
console.log = (...params) => {
if (
a == "ChildProcess.prototype.send() - Sorry! Not implemented yet"
params[0] ==
"ChildProcess.prototype.send() - Sorry! Not implemented yet"
) {
throw new Error("NOT IMPLEMENTED");
} else {
oldLog(a, b, c, d, e, f);
oldLog(...params);
}
};
@ -144,14 +146,14 @@ if (!process.singleThreaded) {
if (!checkSendImplementation(newWorker)) {
// Create a fake IPC server for worker process to receive messages
let fakeWorkerIPCServer = net.createServer(function (socket) {
let fakeWorkerIPCServer = net.createServer((socket) => {
let receivedData = "";
socket.on("data", function (data) {
socket.on("data", (data) => {
receivedData += data.toString();
});
socket.on("end", function () {
socket.on("end", () => {
newWorker.emit("message", receivedData);
});
});
@ -166,7 +168,7 @@ if (!process.singleThreaded) {
);
// Cleanup when worker process exits
newWorker.on("exit", function () {
newWorker.on("exit", () => {
fakeWorkerIPCServer.close();
delete cluster.workers[newWorker.id];
});
@ -190,7 +192,7 @@ if (!process.singleThreaded) {
"temp/.W" + newWorker.process.pid + ".ipc",
)
: process.dirname + "/temp/.W" + newWorker.process.pid + ".ipc",
function () {
() => {
fakeWorkerIPCConnection.end(message);
},
);
@ -206,7 +208,7 @@ if (!process.singleThreaded) {
}
};
} else {
newWorker.on("exit", function () {
newWorker.on("exit", () => {
delete cluster.workers[newWorker.id];
});
}