@colyseus/core/build/discovery/index.mjs

Multiplayer Framework for Node.js.

// packages/core/src/discovery/index.ts
var NODES_SET = "colyseus:nodes";
var DISCOVERY_CHANNEL = "colyseus:nodes:discovery";
async function getHostname() {
  return process.env.SELF_HOSTNAME;
}
async function getNodeAddress(node) {
  const host = await getHostname();
  const port = process.env.SELF_PORT ?? node.port;
  return port ? `${node.processId}/${host}:${port}` : `${node.processId}/${host}`;
}
async function registerNode(presence, node) {
  const nodeAddress = await getNodeAddress(node);
  await presence.sadd(NODES_SET, nodeAddress);
  await presence.publish(DISCOVERY_CHANNEL, `add,${nodeAddress}`);
}
async function unregisterNode(presence, node) {
  const nodeAddress = await getNodeAddress(node);
  await presence.srem(NODES_SET, nodeAddress);
  await presence.publish(DISCOVERY_CHANNEL, `remove,${nodeAddress}`);
}
export {
  getHostname,
  registerNode,
  unregisterNode
};