add dot separated topic partial match; refactor.
| | |
| | | |
| | | const MQId kBHBusQueueId = boost::uuids::string_generator()("01234567-89ab-cdef-8349-1234567890ff"); |
| | | const int kBHCenterPort = 24287; |
| | | const char kTopicSep = '.'; |
| | | //TODO center can check shm for previous crash. |
| | | |
| | | #endif // end of include guard: DEFS_KP8LKGD0 |
| | |
| | | |
| | | BusManager::BusManager(SharedMemory &shm): |
| | | shm_(shm), |
| | | busq_(kBHBusQueueId, shm, 1000), |
| | | busq_(kBHBusQueueId, shm, 16), |
| | | run_(false) |
| | | { |
| | | } |
| | |
| | | auto Worker = [&](){ |
| | | while (this->run_) { |
| | | BusManager &self = *this; |
| | | BHMsg msg; |
| | | MsgI msg; |
| | | const int timeout_ms = 100; |
| | | if (self.busq_.Recv(msg, timeout_ms)) { |
| | | self.OnMsg(msg); |
| | |
| | | return false; |
| | | } |
| | | |
| | | void BusManager::OnMsg(const BHMsg &msg) |
| | | void BusManager::OnMsg(MsgI &imsg) |
| | | { |
| | | DEFER1(imsg.Release(shm_)); |
| | | |
| | | BHMsg msg; |
| | | if (!imsg.Unpack(msg)) { |
| | | return; |
| | | } |
| | | |
| | | auto OnSubChange = [&](auto &&update) { |
| | | DataSub sub; |
| | | if (!msg.route().empty() && sub.ParseFromString(msg.body()) && !sub.topics().empty()) { |
| | |
| | | |
| | | auto OnPublish = [&]() { |
| | | DataPub pub; |
| | | MsgI pubmsg; |
| | | if (!pub.ParseFromString(msg.body()) || !pubmsg.MakeRC(shm_, msg)) { |
| | | if (!pub.ParseFromString(msg.body())) { |
| | | return; |
| | | } |
| | | DEFER1(pubmsg.Release(shm_)); |
| | | auto FindClients = [&](const std::string &topic){ |
| | | Clients dests; |
| | | std::lock_guard<std::mutex> guard(mutex_); |
| | | auto Find1 = [&](const std::string &t) { |
| | | auto pos = records_.find(topic); |
| | | if (pos != records_.end() && !pos->second.empty()) { |
| | | auto &clients = pos->second; |
| | | for (auto &cli : clients) { |
| | | dests.insert(cli); |
| | | } |
| | | } |
| | | }; |
| | | Find1(topic); |
| | | |
| | | 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); |
| | | //TODO check and adjust topic on client side sub/pub. |
| | | size_t pos = 0; |
| | | while (true) { |
| | | pos = topic.find(kTopicSep, pos); |
| | | if (pos == topic.npos || ++pos == topic.size()) { |
| | | // Find1(std::string()); // sub all. |
| | | break; |
| | | } else { |
| | | Find1(topic.substr(0, pos)); |
| | | } |
| | | } |
| | | return dests; |
| | | }; |
| | | |
| | | auto Dispatch = [&](auto &&send1) { |
| | | const Clients &clients(FindClients(pub.topic())); |
| | | for (auto &cli : clients) { |
| | | send1(cli); |
| | | } |
| | | }; |
| | | |
| | | if (imsg.IsCounted()) { |
| | | Dispatch([&](const MQId &cli) { busq_.Send(cli, imsg, 100); }); |
| | | } else { |
| | | // printf("invalid topic: %s\n", pub.topic().c_str()); |
| | | MsgI pubmsg; |
| | | if (!pubmsg.MakeRC(shm_, msg)) { return; } |
| | | DEFER1(pubmsg.Release(shm_)); |
| | | |
| | | Dispatch([&](const MQId &cli) { busq_.Send(cli, pubmsg, 100); }); |
| | | } |
| | | }; |
| | | |
| | |
| | | std::unordered_map<std::string, Clients> records_; |
| | | |
| | | bool StopNoLock(); |
| | | void OnMsg(const BHMsg &msg); |
| | | void OnMsg(MsgI &msg); |
| | | public: |
| | | BusManager(SharedMemory &shm); |
| | | ~BusManager(); |
| | |
| | | ShmMsgQueue(const MQId &id, ShmType &segment, const int len); |
| | | ShmMsgQueue(ShmType &segment, const int len); |
| | | ~ShmMsgQueue(); |
| | | // bool Send(const MQId &remote_id, const void *data, const size_t size, const int timeout_ms); // request |
| | | bool Recv(BHMsg &msg, const int timeout_ms); |
| | | bool Send(const MQId &remote_id, const BHMsg &msg, const int timeout_ms); |
| | | const MQId &Id() const { return id_; } |
| | | |
| | | bool Recv(BHMsg &msg, const int timeout_ms); |
| | | bool Recv(MsgI &msg, const int timeout_ms) { return Read(msg, timeout_ms); } |
| | | bool Send(const MQId &remote_id, const BHMsg &msg, const int timeout_ms); |
| | | bool Send(const MQId &remote_id, const MsgI &msg, const int timeout_ms); |
| | | }; |
| | | |
| | |
| | | www.WaitAll(); |
| | | run.store(false); |
| | | rrr.WaitAll(); |
| | | printf("%3d Write %ld msg R(%3d) W(%3d), : ", getpid(), total_msg, nreader, nwriter); |
| | | printf("Write %ld msg R(%3d) W(%3d), : ", total_msg, nreader, nwriter); |
| | | } |
| | | } |
| | | }; |
| | |
| | | template <class A> struct IsSameType<A,A> { static const bool value = true; }; |
| | | |
| | | |
| | | BOOST_AUTO_TEST_CASE(ShmTest) |
| | | BOOST_AUTO_TEST_CASE(Temp) |
| | | { |
| | | const int size = 1024*1024; |
| | | const std::string shm_name("ShmRemoveTest"); |
| | | SharedMemory m0(shm_name, size); |
| | | int *p = m0.find_or_construct<int>("abc")(100); |
| | | if (p) { |
| | | printf("*p = %d\n", *p); |
| | | ++*p; |
| | | } |
| | | { |
| | | SharedMemory m1(shm_name, size); |
| | | m1.Remove(); |
| | | // m1.Remove(); |
| | | } |
| | | if (p) { |
| | | printf("again *p = %d\n", *p); |
| | | // ++*p; |
| | | std::string topics[] = { |
| | | "", |
| | | ".", |
| | | "a", |
| | | "sp", |
| | | "sport", |
| | | "sport.", |
| | | "sport.a", |
| | | "sport.a.b.c", |
| | | "sport.ab.c", |
| | | "sport.basketball", |
| | | "sport.football", |
| | | }; |
| | | const char sep = '.'; |
| | | auto Adjust = [&](const std::string &user_topic) { |
| | | if (user_topic.empty() || user_topic.back() == sep) { |
| | | return user_topic; |
| | | } else { |
| | | return user_topic + sep; |
| | | } |
| | | }; |
| | | |
| | | for (auto &t : topics) { |
| | | const std::string &a = Adjust(t); |
| | | printf("orig: %20s adjusted: %20s parts:[", ("'" + t + "'").c_str(), ('\'' + a + '\'').c_str()); |
| | | |
| | | size_t pos = 0; |
| | | while (true) { |
| | | auto &topic = t; |
| | | pos = topic.find(kTopicSep, pos); |
| | | if (pos == topic.npos || ++pos == topic.size()) { |
| | | // Find1(std::string()); // sub all. |
| | | break; |
| | | } else { |
| | | printf("'%s',", topic.substr(0, pos).c_str()); |
| | | } |
| | | } |
| | | printf("]\n"); |
| | | } |
| | | } |
| | | |
| | |
| | | std::atomic<ptime> last_time(Now() - seconds(1)); |
| | | std::atomic<uint64_t> last_count(0); |
| | | |
| | | const uint64_t nmsg = 1000 * 100; |
| | | const uint64_t nmsg = 100; |
| | | |
| | | const int timeout = 1000; |
| | | auto Sub = [&](int id, const std::vector<std::string> &topics) { |
| | |
| | | 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(kBHBusQueueId, MakePub(topic, data.data(), data.size()), timeout); |
| | | std::string data = topic + std::to_string(i) + std::string(1000, '-'); |
| | | |
| | | MsgI msg; |
| | | msg.MakeRC(shm, MakePub(topic, data.data(), data.size())); |
| | | DEFER1(msg.Release(shm)); |
| | | bool r = provider.Send(kBHBusQueueId, msg, timeout); |
| | | |
| | | // bool r = provider.Send(kBHBusQueueId, 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"); |
| | | for (int i = 0; i < 100; ++i) { |
| | | topics.push_back("t" + std::to_string(i)); |
| | | } |
| | | Topics part; |
| | | for (int i = 0; i < topics.size(); ++i) { |
| | | part.push_back(topics[i]); |
| | | threads.Launch(Sub, i, part); |
| | | threads.Launch(Sub, i, topics); |
| | | } |
| | | std::this_thread::sleep_for(100ms); |
| | | for (auto &topic: topics) { |
| | |
| | | threads.Launch(Pub, "some_else"); |
| | | |
| | | threads.WaitAll(); |
| | | std::cout << "end : " << Now(); |
| | | printf("sub recv, total msg:%10ld, speed:[%8ld/s], used mem:%8ld \n", |
| | | count.load(), count - last_count.exchange(count), init_avail - Avail()); |
| | | |
| | | bus.Stop(); |
| | | } |