js-primea-container.js

// the Hypervisor starts an manages "containers"
class PrimeaContainer {
  // the constructor is given an instance of the kernel
  // https://github.com/primea/js-primea-hypervisor/blob/master/docs/kernel.md
  constructor (kernel) {
    this.kernel = kernel
  }

  // this method runs once when the container is initially created. It is given
  // a message with a single port, which is a channel to its parent with the
  // exception of the root container (the container that is intailial created)
  initialize (message) {
    const port = message.ports[0]
    // the root container doesn't get a port
    if (port) {
      this.kernel.ports.bind('parent', port)
    }
  }

  // the function is called for each message that a container gets
  run (message) {
    if (message.data === 'bindPort') {
      this.kernel.ports.bind('channel', message.ports[0])
    } else
      throw new Error('Unimplemented message: ' + message.data)
  }

  onIdle () {
    this.kernel.shutdown()
  }
}