| | |
| | | * ===================================================================================== |
| | | */ |
| | | #include "pubsub.h" |
| | | #include "bh_util.h" |
| | | #include "defs.h" |
| | | |
| | | namespace bhome_shm { |
| | | using namespace std::chrono_literals; |
| | | using namespace bhome_msg; |
| | | |
| | | |
| | | } // namespace bhome_shm |
| | | bool SocketPublish::Publish(const Topic &topic, const void *data, const size_t size, const int timeout_ms) |
| | | { |
| | | try { |
| | | MsgI imsg; |
| | | if (!imsg.MakeRC(shm(), MakePub(topic, data, size))) { |
| | | return false; |
| | | } |
| | | DEFER1(imsg.Release(shm())); |
| | | return ShmMsgQueue::Send(shm(), kBHTopicBus, imsg, timeout_ms); |
| | | } catch (...) { |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | bool SocketSubscribe::Subscribe(const std::vector<Topic> &topics, const int timeout_ms) |
| | | { |
| | | try { |
| | | return mq().Send(kBHTopicBus, MakeSub(mq().Id(), topics), timeout_ms); |
| | | } catch (...) { |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | bool SocketSubscribe::StartRecv(const TopicDataCB &tdcb, int nworker) |
| | | { |
| | | auto AsyncRecvProc = [this, tdcb](BHMsg &msg) { |
| | | if (msg.type() == kMsgTypePublish) { |
| | | MsgPub d; |
| | | if (d.ParseFromString(msg.body())) { |
| | | tdcb(d.topic(), d.data()); |
| | | } |
| | | } else { |
| | | // ignored, or dropped |
| | | } |
| | | }; |
| | | |
| | | return tdcb && Start(AsyncRecvProc, nworker); |
| | | } |
| | | |
| | | bool SocketSubscribe::RecvSub(Topic &topic, std::string &data, const int timeout_ms) |
| | | { |
| | | BHMsg msg; |
| | | if (SyncRecv(msg, timeout_ms) && msg.type() == kMsgTypePublish) { |
| | | MsgPub d; |
| | | if (d.ParseFromString(msg.body())) { |
| | | d.mutable_topic()->swap(topic); |
| | | d.mutable_data()->swap(data); |
| | | return true; |
| | | } |
| | | } |
| | | return false; |
| | | } |