scheduleOpener(connection.route.address)
      true
    } else {
      scheduleCloser()
      false
    }
  }

  fun evictAll() {
    val i = connections.iterator()
    while (i.hasNext()) {
      val connection = i.next()
      val socketToClose =
        connection.withLock {
          if (connection.calls.isEmpty()) {
            i.remove()
            connection.noNewExchanges = true