test pub/sub msg; fix update last_time;
| | |
| | | assert(data && size); |
| | | BHMsg msg(InitMsg(kMsgTypeRequest)); |
| | | msg.set_body(data, size); |
| | | BHAddress addr; |
| | | msg.add_route()->set_mq_id(&src_id, sizeof(src_id)); |
| | | return msg; |
| | | } |
| | |
| | | return msg; |
| | | } |
| | | |
| | | BHMsg MakeSubUnsub(const std::vector<std::string> &topics, const MsgType sub_unsub) |
| | | BHMsg MakeSubUnsub(const MQId &client, const std::vector<std::string> &topics, const MsgType sub_unsub) |
| | | { |
| | | assert(sub_unsub == kMsgTypeSubscribe || sub_unsub == kMsgTypeUnsubscribe); |
| | | BHMsg msg(InitMsg(sub_unsub)); |
| | | msg.add_route()->set_mq_id(&client, sizeof(client)); |
| | | DataSub subs; |
| | | for (auto &t : topics) { |
| | | subs.add_topics(t); |
| | |
| | | return msg; |
| | | } |
| | | |
| | | BHMsg MakeSub(const std::vector<std::string> &topics) { return MakeSubUnsub(topics, kMsgTypeSubscribe); } |
| | | BHMsg MakeUnsub(const std::vector<std::string> &topics) { return MakeSubUnsub(topics, kMsgTypeUnsubscribe); } |
| | | BHMsg MakeSub(const MQId &client, const std::vector<std::string> &topics) { return MakeSubUnsub(client, topics, kMsgTypeSubscribe); } |
| | | BHMsg MakeUnsub(const MQId &client, const std::vector<std::string> &topics) { return MakeSubUnsub(client, topics, kMsgTypeUnsubscribe); } |
| | | |
| | | BHMsg MakePub(const std::string &topic, const void *data, const size_t size) |
| | | { |
| | |
| | | |
| | | BHMsg MakeRequest(const MQId &src_id, const void *data, const size_t size); |
| | | BHMsg MakeReply(const void *data, const size_t size); |
| | | BHMsg MakeSub(const std::vector<std::string> &topics); |
| | | BHMsg MakeUnsub(const std::vector<std::string> &topics); |
| | | BHMsg MakeSub(const MQId &client, const std::vector<std::string> &topics); |
| | | BHMsg MakeUnsub(const MQId &client, const std::vector<std::string> &topics); |
| | | BHMsg MakePub(const std::string &topic, const void *data, const size_t size); |
| | | |
| | | class MsgI { |
| | |
| | | */ |
| | | #include "pubsub.h" |
| | | #include <chrono> |
| | | #include "bh_util.h" |
| | | |
| | | namespace bhome_shm { |
| | | |
| | | using namespace std::chrono_literals; |
| | | const MQId kBusQueueId = boost::uuids::string_generator()("01234567-89ab-cdef-8349-1234567890ff"); |
| | | const int kMaxWorker = 16; |
| | | using namespace bhome_msg; |
| | | |
| | | BusManager::BusManager(SharedMemory &shm): |
| | | shm_(shm), |
| | | busq_(kBusQueueId, shm, 1000), |
| | | run_(false) |
| | | { |
| | |
| | | // start |
| | | auto Worker = [&](){ |
| | | while (this->run_) { |
| | | std::this_thread::sleep_for(100ms); |
| | | BusManager &self = *this; |
| | | BHMsg msg; |
| | | const int timeout_ms = 100; |
| | | if (!self.busq_.Recv(msg, timeout_ms)) { |
| | | continue; |
| | | if (self.busq_.Recv(msg, timeout_ms)) { |
| | | self.OnMsg(msg); |
| | | } |
| | | // handle msg; |
| | | // type: subscribe(topic), publish(topic, data) |
| | | } |
| | | }; |
| | | |
| | |
| | | return false; |
| | | } |
| | | |
| | | void BusManager::OnMsg(const BHMsg &msg) |
| | | { |
| | | auto OnSubChange = [&](auto &&update) { |
| | | DataSub sub; |
| | | if (!msg.route().empty() && sub.ParseFromString(msg.body()) && !sub.topics().empty()) { |
| | | assert(sizeof(MQId) == msg.route(0).mq_id().size()); |
| | | MQId client; |
| | | memcpy(&client, msg.route(0).mq_id().data(), sizeof(client)); |
| | | |
| | | std::lock_guard<std::mutex> guard(mutex_); |
| | | auto &topics = sub.topics(); |
| | | for (auto &topic : topics) { |
| | | try { |
| | | update(topic, client); |
| | | } catch(...) { |
| | | //TODO log error |
| | | } |
| | | } |
| | | } |
| | | }; |
| | | |
| | | auto Sub1 = [this](const std::string &topic, const MQId &id) { |
| | | records_[topic].insert(id); |
| | | }; |
| | | |
| | | auto Unsub1 = [this](const std::string &topic, const MQId &id) { |
| | | auto pos = records_.find(topic); |
| | | if (pos != records_.end()) { |
| | | if (pos->second.erase(id) && pos->second.empty()) { |
| | | records_.erase(pos); |
| | | } |
| | | } |
| | | }; |
| | | |
| | | auto OnPublish = [&]() { |
| | | DataPub pub; |
| | | MsgI pubmsg; |
| | | if (!pub.ParseFromString(msg.body()) || !pubmsg.MakeRC(shm_, msg)) { |
| | | return; |
| | | } |
| | | DEFER1(pubmsg.Release(shm_)); |
| | | |
| | | std::lock_guard<std::mutex> guard(mutex_); |
| | | auto pos = records_.find(pub.topic()); |
| | | if (pos != records_.end() && !pos->second.empty()) { |
| | | auto &clients = pos->second; |
| | | for (auto &cli : clients) { |
| | | busq_.Send(cli, pubmsg, 100); |
| | | } |
| | | } else { |
| | | // printf("invalid topic: %s\n", pub.topic().c_str()); |
| | | } |
| | | }; |
| | | |
| | | switch (msg.type()) { |
| | | case kMsgTypeSubscribe: OnSubChange(Sub1); break; |
| | | case kMsgTypeUnsubscribe: OnSubChange(Unsub1); break; |
| | | case kMsgTypePublish : OnPublish(); break; |
| | | default: break; |
| | | } |
| | | } |
| | | |
| | | } // namespace bhome_shm |
| | | |
| | |
| | | #include <atomic> |
| | | #include <mutex> |
| | | #include <vector> |
| | | #include <unordered_map> |
| | | #include <set> |
| | | |
| | | namespace bhome_shm { |
| | | |
| | | // publish/subcribe manager. |
| | | class BusManager |
| | | { |
| | | SharedMemory &shm_; |
| | | ShmMsgQueue busq_; |
| | | std::atomic<bool> run_; |
| | | std::vector<std::thread> workers_; |
| | | std::mutex mutex_; |
| | | typedef std::set<MQId> Clients; |
| | | std::unordered_map<std::string, Clients> records_; |
| | | |
| | | bool StopNoLock(); |
| | | void OnMsg(const BHMsg &msg); |
| | | public: |
| | | BusManager(SharedMemory &shm); |
| | | ~BusManager(); |
| | |
| | | #include "bh_util.h" |
| | | #include <sys/types.h> |
| | | #include <sys/wait.h> |
| | | #include "pubsub.h" |
| | | #include "defs.h" |
| | | |
| | | using namespace std::chrono_literals; |
| | | using namespace bhome_msg; |
| | |
| | | } else { |
| | | ++count; |
| | | auto cur = Now(); |
| | | if (last_time.exchange(cur) != cur) { |
| | | std::cout << "time: " << Now(); |
| | | if (last_time.exchange(cur) < cur) { |
| | | std::cout << "time: " << cur; |
| | | printf(", total msg:%10ld, speed:[%8ld/s], used mem:%8ld, refcount:%d\n", |
| | | count.load(), count - last_count.exchange(count), init_avail - Avail(), request_rc.Count()); |
| | | last_time = cur; |
| | | } |
| | | |
| | | } |
| | |
| | | // BOOST_CHECK_THROW(reply.Count(), int); |
| | | } |
| | | |
| | | BOOST_AUTO_TEST_CASE(PubSubTest) |
| | | { |
| | | const std::string shm_name("ShmPubSub"); |
| | | ShmRemover auto_remove(shm_name); |
| | | SharedMemory shm(shm_name, 1024*1024*50); |
| | | auto Avail = [&]() { return shm.get_free_memory(); }; |
| | | auto init_avail = Avail(); |
| | | |
| | | BusManager bus(shm); |
| | | bus.Start(1); |
| | | std::this_thread::sleep_for(100ms); |
| | | |
| | | std::atomic<uint64_t> count(0); |
| | | std::atomic<ptime> last_time(Now() - seconds(1)); |
| | | std::atomic<uint64_t> last_count(0); |
| | | |
| | | const uint64_t nmsg = 1000 * 100; |
| | | |
| | | const int timeout = 1000; |
| | | auto Sub = [&](int id, const std::vector<std::string> &topics) { |
| | | ShmMsgQueue client(shm, 8); |
| | | client.Send(kBusQueueId, MakeSub(client.Id(), topics), timeout); |
| | | for (int i = 0; i < nmsg * topics.size(); ++i) { |
| | | BHMsg msg; |
| | | if (client.Recv(msg, 1000)) { |
| | | if (msg.type() != kMsgTypePublish) { |
| | | BOOST_CHECK(false); |
| | | } |
| | | DataPub pub; |
| | | if (!pub.ParseFromString(msg.body())) { |
| | | BOOST_CHECK(false); |
| | | } |
| | | ++count; |
| | | auto cur = Now(); |
| | | if (last_time.exchange(cur) < cur) { |
| | | std::cout << "time: " << cur; |
| | | printf("sub recv, total msg:%10ld, speed:[%8ld/s], used mem:%8ld \n", |
| | | count.load(), count - last_count.exchange(count), init_avail - Avail()); |
| | | } |
| | | // printf("sub %2d recv: %s/%s\n", id, pub.topic().c_str(), pub.data().c_str()); |
| | | |
| | | } else { |
| | | printf("sub %2d recv timeout\n", id); |
| | | } |
| | | |
| | | } |
| | | }; |
| | | auto Pub = [&](const std::string &topic) { |
| | | ShmMsgQueue provider(shm, 0); |
| | | for (int i = 0; i < nmsg; ++i) { |
| | | std::string data = topic + std::to_string(i); |
| | | bool r = provider.Send(kBusQueueId, MakePub(topic, data.data(), data.size()), timeout); |
| | | if (!r) { |
| | | printf("pub ret: %s\n", r ? "ok" : "fail"); |
| | | } |
| | | } |
| | | }; |
| | | ThreadManager threads; |
| | | typedef std::vector<std::string> Topics; |
| | | Topics topics; |
| | | topics.push_back("000-xxx"); |
| | | topics.push_back("111-football"); |
| | | topics.push_back("222-sport"); |
| | | // topics.push_back("333-sport"); |
| | | // topics.push_back("444-sport"); |
| | | Topics part; |
| | | for (int i = 0; i < topics.size(); ++i) { |
| | | part.push_back(topics[i]); |
| | | threads.Launch(Sub, i, part); |
| | | } |
| | | std::this_thread::sleep_for(100ms); |
| | | for (auto &topic: topics) { |
| | | threads.Launch(Pub, topic); |
| | | } |
| | | threads.Launch(Pub, "some_else"); |
| | | |
| | | threads.WaitAll(); |
| | | |
| | | bus.Stop(); |
| | | } |
| | | |
| | | inline int MyMin(int a, int b) { |
| | | printf("MyMin\n"); |