add ShmSocket as shm interface, add sub/pub.
New file |
| | |
| | | /* |
| | | * ===================================================================================== |
| | | * |
| | | * Filename: center.cpp |
| | | * |
| | | * Description: |
| | | * |
| | | * Version: 1.0 |
| | | * Created: 2021年03月30日 16时19分37秒 |
| | | * Revision: none |
| | | * Compiler: gcc |
| | | * |
| | | * Author: Li Chao (), |
| | | * Organization: |
| | | * |
| | | * ===================================================================================== |
| | | */ |
| | | #include "center.h" |
| | | #include "defs.h" |
| | | #include "shm.h" |
| | | |
| | | using namespace bhome_shm; |
| | | |
| | | SharedMemory &BHomeShm() |
| | | { |
| | | static SharedMemory shm("bhome_default_shm_v0", 1024*1024*64); |
| | | return shm; |
| | | } |
| | | |
New file |
| | |
| | | /* |
| | | * ===================================================================================== |
| | | * |
| | | * Filename: center.h |
| | | * |
| | | * Description: |
| | | * |
| | | * Version: 1.0 |
| | | * Created: 2021年03月30日 16时22分24秒 |
| | | * Revision: none |
| | | * Compiler: gcc |
| | | * |
| | | * Author: Li Chao (), |
| | | * Organization: |
| | | * |
| | | * ===================================================================================== |
| | | */ |
| | | #ifndef CENTER_TM9OUQTG |
| | | #define CENTER_TM9OUQTG |
| | | |
| | | class BHCenter |
| | | { |
| | | |
| | | }; |
| | | |
| | | #endif // end of include guard: CENTER_TM9OUQTG |
| | |
| | | const MQId kBHBusQueueId = boost::uuids::string_generator()("01234567-89ab-cdef-8349-1234567890ff"); |
| | | const int kBHCenterPort = 24287; |
| | | const char kTopicSep = '.'; |
| | | namespace bhome_shm { |
| | | class SharedMemory; |
| | | } |
| | | |
| | | bhome_shm::SharedMemory &BHomeShm(); |
| | | |
| | | //TODO center can check shm for previous crash. |
| | | |
| | | #endif // end of include guard: DEFS_KP8LKGD0 |
| | |
| | | template <class T, class ...Params> T * New(Params const&...params) { return construct<T>(anonymous_instance, std::nothrow)(params...); } |
| | | template <class T> void Delete(T *p) { if (p) { destroy_ptr<T>(p); }; } |
| | | template <class T> void Delete(offset_ptr<T> p) { Delete(p.get()); } |
| | | template <class T> T *Find(const std::string &name) { return find<T>(name.c_str()).first; } |
| | | |
| | | }; |
| | | |
| | |
| | | throw("Error: Not enough memory, can not allocate \"" + name_ + "\""); |
| | | } |
| | | } |
| | | Data *find(const std::string &name) { return shm_.find<Data>(ObjName(name).c_str()).first; } |
| | | static Data *Find(SharedMemory &shm, const std::string &name) { return shm.Find<Data>(ObjName(name)); } |
| | | Data *Find(const std::string &name) { return Find(shm_, ObjName(name)); } |
| | | virtual ~ShmObject() {} |
| | | std::string name() const { return name_; } |
| | | Data* data() { return pdata_; } |
| | |
| | | |
| | | namespace { |
| | | std::string MsgQIdToName(const MQId& id) { return "shmq" + to_string(id); } |
| | | MQId EmptyId() { return nil_uuid(); } |
| | | // MQId EmptyId() { return nil_uuid(); } |
| | | MQId NewId() { return random_generator()(); } |
| | | const int AdjustMQLength(const int len) { |
| | | const int kMaxLength = 10000; |
| | |
| | | Remove(); |
| | | } |
| | | |
| | | bool ShmMsgQueue::Send(const MQId &remote_id, const MsgI &msg, const int timeout_ms) |
| | | bool ShmMsgQueue::Send(SharedMemory &shm, const MQId &remote_id, const MsgI &msg, const int timeout_ms) |
| | | { |
| | | Queue *remote = find(MsgQIdToName(remote_id)); |
| | | Queue *remote = Find(shm, MsgQIdToName(remote_id)); |
| | | return remote && remote->Write(msg, timeout_ms, [](const MsgI&msg){msg.AddRef();}); |
| | | } |
| | | |
| | | // bool ShmMsgQueue::Send(const MQId &remote_id, const MsgI &msg, const int timeout_ms) |
| | | // { |
| | | // Queue *remote = Find(MsgQIdToName(remote_id)); |
| | | // return remote && remote->Write(msg, timeout_ms, [](const MsgI&msg){msg.AddRef();}); |
| | | // } |
| | | |
| | | bool ShmMsgQueue::Send(const MQId &remote_id, const BHMsg &data, const int timeout_ms) |
| | | { |
| | | MsgI msg; |
| | |
| | | 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); |
| | | static bool Send(SharedMemory &shm, const MQId &remote_id, const MsgI &msg, const int timeout_ms); |
| | | bool Send(const MQId &remote_id, const MsgI &msg, const int timeout_ms) { |
| | | return Send(shm(), remote_id, msg, timeout_ms); |
| | | } |
| | | }; |
| | | |
| | | } // namespace bhome_shm |
New file |
| | |
| | | /* |
| | | * ===================================================================================== |
| | | * |
| | | * Filename: socket.cpp |
| | | * |
| | | * Description: |
| | | * |
| | | * Version: 1.0 |
| | | * Created: 2021年03月30日 15时48分58秒 |
| | | * Revision: none |
| | | * Compiler: gcc |
| | | * |
| | | * Author: Li Chao (), |
| | | * Organization: |
| | | * |
| | | * ===================================================================================== |
| | | */ |
| | | |
| | | #include "socket.h" |
| | | #include <chrono> |
| | | #include "msg.h" |
| | | #include "defs.h" |
| | | #include "bh_util.h" |
| | | |
| | | using namespace bhome_msg; |
| | | using namespace bhome_shm; |
| | | using namespace std::chrono_literals; |
| | | |
| | | namespace { |
| | | |
| | | int GetSocketDefaultLen(ShmSocket::Type type) |
| | | { |
| | | switch (type) { |
| | | case ShmSocket::eSockRequest : return 12; |
| | | case ShmSocket::eSockReply : return 64; |
| | | case ShmSocket::eSockPublish : return 0; |
| | | case ShmSocket::eSockSubscribe : return 64; |
| | | default: return 0; |
| | | } |
| | | } |
| | | |
| | | |
| | | } |
| | | |
| | | ShmSocket::ShmSocket(Type type, bhome_shm::SharedMemory &shm) |
| | | : shm_(shm), |
| | | type_(type), |
| | | run_(false) |
| | | { |
| | | int len = GetSocketDefaultLen(type); |
| | | if (len != 0) { |
| | | mq_.reset(new Queue(shm_, len)); |
| | | |
| | | auto RecvProc = [this](){ |
| | | while (run_) { |
| | | try { |
| | | std::unique_lock<std::mutex> lk(mutex_); |
| | | if (cv_recv_cb_.wait_for(lk, 100ms, [this](){ return HasRecvCB(); })) { |
| | | BHMsg msg; |
| | | if (mq_->Recv(msg, 100)) { |
| | | this->onRecv_(msg); |
| | | } |
| | | } |
| | | } catch (...) {} |
| | | } |
| | | }; |
| | | run_.store(true); |
| | | workers_.emplace_back(RecvProc); |
| | | } |
| | | } |
| | | ShmSocket::ShmSocket(Type type) |
| | | : ShmSocket(type, BHomeShm()) |
| | | { |
| | | } |
| | | |
| | | ShmSocket::~ShmSocket() |
| | | { |
| | | Stop(); |
| | | } |
| | | |
| | | bool ShmSocket::Publish(const std::string &topic, const void *data, const size_t size, const int timeout_ms) |
| | | { |
| | | if (type_ != eSockPublish) { |
| | | return false; |
| | | } |
| | | assert(!mq_); |
| | | try { |
| | | MsgI imsg; |
| | | if (!imsg.MakeRC(shm_, MakePub(topic, data, size))) { |
| | | return false; |
| | | } |
| | | DEFER1(imsg.Release(shm_)); |
| | | return Queue::Send(shm_, kBHBusQueueId, imsg, timeout_ms); |
| | | |
| | | } catch (...) { |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | bool ShmSocket::Subscribe(const std::vector<std::string> &topics, const int timeout_ms) |
| | | { |
| | | if (type_ != eSockSubscribe) { |
| | | return false; |
| | | } |
| | | assert(mq_); |
| | | try { |
| | | return mq_->Send(kBHBusQueueId, MakeSub(mq_->Id(), topics), timeout_ms); |
| | | } catch (...) { |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | bool ShmSocket::SetRecvCallback(const RecvCB &onRecv) |
| | | { |
| | | std::lock_guard<std::mutex> lock(mutex_); |
| | | onRecv_ = onRecv; |
| | | cv_recv_cb_.notify_one(); |
| | | return true; |
| | | } |
| | | |
| | | bool ShmSocket::HasRecvCB() |
| | | { |
| | | return static_cast<bool>(onRecv_); |
| | | } |
| | | |
| | | void ShmSocket::Stop() |
| | | { |
| | | run_ = false; |
| | | for (auto &t : workers_) { |
| | | if (t.joinable()) { |
| | | t.join(); |
| | | } |
| | | } |
| | | } |
New file |
| | |
| | | /* |
| | | * ===================================================================================== |
| | | * |
| | | * Filename: socket.h |
| | | * |
| | | * Description: |
| | | * |
| | | * Version: 1.0 |
| | | * Created: 2021年03月30日 15时49分19秒 |
| | | * Revision: none |
| | | * Compiler: gcc |
| | | * |
| | | * Author: Li Chao (), |
| | | * Organization: |
| | | * |
| | | * ===================================================================================== |
| | | */ |
| | | |
| | | #ifndef SOCKET_GWTJHBPO |
| | | #define SOCKET_GWTJHBPO |
| | | |
| | | #include "shm_queue.h" |
| | | #include <vector> |
| | | #include <thread> |
| | | #include <memory> |
| | | #include <functional> |
| | | #include <mutex> |
| | | #include <condition_variable> |
| | | #include <atomic> |
| | | |
| | | class ShmSocket |
| | | { |
| | | typedef bhome_shm::ShmMsgQueue Queue; |
| | | public: |
| | | enum Type { |
| | | eSockRequest, |
| | | eSockReply, |
| | | eSockSubscribe, |
| | | eSockPublish, |
| | | }; |
| | | typedef std::function<void (bhome_msg::BHMsg &msg)> RecvCB; |
| | | |
| | | ShmSocket(Type type); |
| | | ShmSocket(Type type, bhome_shm::SharedMemory &shm); |
| | | ~ShmSocket(); |
| | | |
| | | // bool Request(const std::string &topic, const void *data, const size_t size, onReply); |
| | | bool RequestAndWait() { return false; } // call Request, and wait onReply notify cv |
| | | |
| | | // bool HandleRequest(onData); |
| | | bool ReadRequest(); // exclude with HandleRequest |
| | | bool SendReply(); // exclude with HandleRequest |
| | | |
| | | bool Publish(const std::string &topic, const void *data, const size_t size, const int timeout_ms); |
| | | bool Subscribe(const std::vector<std::string> &topics, const int timeout_ms); |
| | | bool RecvSub(std::string &topic, std::string &data, const int timeout_ms); |
| | | bool SetRecvCallback(const RecvCB &onRecv); |
| | | private: |
| | | bool HasRecvCB(); |
| | | void Stop(); |
| | | |
| | | bhome_shm::SharedMemory &shm_; |
| | | Type type_; |
| | | std::vector<std::thread> workers_; |
| | | std::mutex mutex_; |
| | | std::condition_variable cv_recv_cb_; |
| | | std::atomic<bool> run_; |
| | | RecvCB onRecv_; |
| | | |
| | | std::unique_ptr<Queue> mq_; |
| | | }; |
| | | |
| | | |
| | | #endif // end of include guard: SOCKET_GWTJHBPO |
| | |
| | | #include "pubsub.h" |
| | | #include "defs.h" |
| | | #include "util.h" |
| | | #include "socket.h" |
| | | |
| | | template <class A, class B> struct IsSameType { static const bool value = false; }; |
| | | template <class A> struct IsSameType<A,A> { static const bool value = true; }; |
| | |
| | | std::atomic<uint64_t> last_count(0); |
| | | |
| | | const uint64_t nmsg = 100; |
| | | |
| | | const int timeout = 1000; |
| | | auto Sub = [&](int id, const std::vector<std::string> &topics) { |
| | | ShmMsgQueue client(shm, 8); |
| | | client.Send(kBHBusQueueId, 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); |
| | | } |
| | | ShmSocket client(ShmSocket::eSockSubscribe, shm); |
| | | bool r = client.Subscribe(topics, timeout); |
| | | std::mutex mutex; |
| | | std::condition_variable cv; |
| | | |
| | | } |
| | | int i = 0; |
| | | auto OnRecv = [&](BHMsg &msg) { |
| | | 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()); |
| | | } |
| | | if (++i >= nmsg*topics.size()) { |
| | | cv.notify_one(); |
| | | } |
| | | // printf("sub %2d recv: %s/%s\n", id, pub.topic().c_str(), pub.data().c_str()); |
| | | }; |
| | | client.SetRecvCallback(OnRecv); |
| | | |
| | | std::unique_lock<std::mutex> lk(mutex); |
| | | cv.wait(lk); |
| | | |
| | | }; |
| | | |
| | | auto Pub = [&](const std::string &topic) { |
| | | ShmMsgQueue provider(shm, 0); |
| | | ShmSocket provider(ShmSocket::eSockPublish, shm); |
| | | for (int i = 0; i < nmsg; ++i) { |
| | | 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.Publish(topic, data.data(), data.size(), timeout); |
| | | // bool r = provider.Send(kBHBusQueueId, MakePub(topic, data.data(), data.size()), timeout); |
| | | if (!r) { |
| | | printf("pub ret: %s\n", r ? "ok" : "fail"); |