message: Add convenience function to I/O dsl
diff: @@ -46,6 +46,15 @@ public:
  // nop
  }
  + // Convenience function for transmitting all "network" traffic and running
  + // all executables on this node.
  + void exec_all() {
  + while (mpx.try_exec_runnable() || mpx.read_data()
  + || this->sched.run_once()) {
  + // rince and repeat
  + }
  + }
  +
  void publish(caf::actor whom, uint16_t port) {
  auto ma = mm.actor_handle();
  auto& sys = this->sys;
  