add bus socket for manager; refactor.

lichao

2021-03-31 2e99e5311d1b9a53cca17008452cbe49e2af7234

 utest/utest.cpp

@@ -5,6 +5,7 @@
#include <atomic>
#include <boost/uuid/uuid_generators.hpp>
#include <boost/uuid/uuid_io.hpp>
#include <condition_variable>
#include <stdio.h>
#include <string>
#include <thread>
@@ -108,7 +109,7 @@
         }
         // printf("sub %2d recv: %s/%s\n", id, pub.topic().c_str(), pub.data().c_str());
      };
      client.SetRecvCallback(OnRecv);
      client.Start(OnRecv);

      std::unique_lock<std::mutex> lk(mutex);
      cv.wait(lk);