center restart with new shm; set center node ssn.

lichao

2021-06-02 993c556000a414011626770540678948f16eaa9e

 box/center.cpp

@@ -45,18 +45,6 @@
   }
}

Handler Combine(const Handler &h1, const Handler &h2)
{
   return [h1, h2](ShmSocket &socket, bhome_msg::MsgI &msg, bhome_msg::BHMsgHead &head) {
      return h1(socket, msg, head) || h2(socket, msg, head);
   };
}
template <class... H>
Handler Combine(const Handler &h0, const Handler &h1, const Handler &h2, const H &...rest)
{
   return Combine(Combine(h0, h1), h2, rest...);
}

#define CASE_ON_MSG_TYPE(MsgTag)                                                         \
   case kMsgType##MsgTag:                                                               \
      Dispatch<Msg##MsgTag>(                                                           \
@@ -116,7 +104,11 @@
                     center->PassRemoteReplyToLocal(dest, head, std::move(body_content));
                  }
               };
               if (!tcp_proxy.Request(head.dest().ip(), head.dest().port(), msg.content(), onResult)) {
               uint16_t port = head.dest().port();
               if (port == 0) {
                  port = kBHCenterPort;
               }
               if (!tcp_proxy.Request(head.dest().ip(), port, msg.content(), onResult)) {
                  replyer(MakeReply<Reply>(eError, "send request failed."));
               } else {
                  // success