From 34cd75f77d0ca94dbdba4e6cc9451fe4d33e78b3 Mon Sep 17 00:00:00 2001 From: lichao <lichao@aiotlink.com> Date: 星期三, 19 五月 2021 19:14:13 +0800 Subject: [PATCH] add api BHQueryProcs. --- src/socket.h | 164 ++++++++++++++++++++++++++++++++++++++++++++++++------ 1 files changed, 145 insertions(+), 19 deletions(-) diff --git a/src/socket.h b/src/socket.h index 20da7c0..7557034 100644 --- a/src/socket.h +++ b/src/socket.h @@ -19,55 +19,181 @@ #ifndef SOCKET_GWTJHBPO #define SOCKET_GWTJHBPO -#include "shm_queue.h" +#include "bh_util.h" +#include "defs.h" +#include "sendq.h" +#include "shm_msg_queue.h" #include <atomic> #include <boost/noncopyable.hpp> +#include <condition_variable> #include <functional> #include <memory> #include <mutex> #include <thread> #include <vector> +using namespace bhome_msg; class ShmSocket : private boost::noncopyable { + protected: - typedef bhome_shm::ShmMsgQueue Queue; + typedef ShmMsgQueue Queue; public: + typedef ShmMsgQueue::MQId MQId; typedef bhome_shm::SharedMemory Shm; - typedef std::function<void(bhome_msg::BHMsg &msg)> RecvCB; - typedef std::function<void(bhome_msg::MsgI &imsg)> RecvRawCB; + typedef std::function<void(ShmSocket &sock, Queue::RawData &val)> RawRecvCB; + typedef std::function<void(ShmSocket &sock, MsgI &imsg, BHMsgHead &head)> RecvCB; + typedef std::function<bool(ShmSocket &sock, MsgI &imsg, BHMsgHead &head)> PartialRecvCB; + typedef std::function<void(ShmSocket &sock)> IdleCB; - ShmSocket(Shm &shm, const int len = 12); + ShmSocket(Shm &shm, const MQId id, const int len); + ShmSocket(Shm &shm, const bool create_or_else_find, const MQId id, const int len); + ShmSocket(int64_t offset, Shm &shm, const MQId id); ~ShmSocket(); - + static bool Remove(SharedMemory &shm, const MQId id) { return Queue::Remove(shm, id); } + bool Remove() { return Remove(shm(), id()); } + MQId id() const { return mq().Id(); } + int64_t AbsAddr() const { return mq().AbsAddr(); } + void SetNodeProc(const int proc_index, const int socket_index) + { + node_proc_index_ = proc_index; + socket_index_ = socket_index; + } // start recv. - bool Start(const RecvCB &onData, int nworker = 1); - bool StartRaw(const RecvRawCB &onData, int nworker = 1); + bool Start(int nworker = 1, const RecvCB &onMsg = RecvCB(), const RawRecvCB &onRaw = RawRecvCB(), const IdleCB &onIdle = IdleCB()); + bool Start(const RecvCB &onData, const IdleCB &onIdle, int nworker = 1) { return Start(nworker, onData, RawRecvCB(), onIdle); } + bool Start(const RecvCB &onData, int nworker = 1) { return Start(nworker, onData); } bool Stop(); - size_t Pending() const { return mq_ ? mq_->Pending() : 0; } + + template <class Body> + bool CenterSend(const MQInfo &remote, BHMsgHead &head, Body &body) + { + try { + //TODO alloc outsiez and use send. + MsgI msg; + if (!msg.Make(head, body)) { return false; } + DEFER1(msg.Release()); + + return Send(remote, msg); + } catch (...) { + SetLastError(eError, "Send internal error."); + return false; + } + } + + bool RequestAlloc(const int64_t size, std::function<void(MsgI &msg)> const &onResult); + + template <class Body> + bool Send(const MQInfo &remote, BHMsgHead &head, Body &body, RecvCB &&cb = RecvCB()) + { + return Send(remote, MsgI::Serialize(head, body), head.msg_id(), std::move(cb)); + } + template <class... T> + bool Send(const MQInfo &remote, const MsgI &imsg, T &&...t) + { + return SendImpl(remote, imsg, std::forward<decltype(t)>(t)...); + } + template <class... T> + bool Send(const MQInfo &remote, const int64_t cmd, T &&...t) + { + return SendImpl(remote, cmd, std::forward<decltype(t)>(t)...); + } + + template <class Body> + bool SendAndRecv(const MQInfo &remote, BHMsgHead &head, Body &body, MsgI &reply, BHMsgHead &reply_head, const int timeout_ms) + { + struct State { + std::mutex mutex; + std::condition_variable cv; + bool canceled = false; + }; + + try { + std::shared_ptr<State> st(new State); + + auto endtime = std::chrono::steady_clock::now() + std::chrono::milliseconds(timeout_ms); + + auto OnRecv = [st, &reply, &reply_head](ShmSocket &sock, MsgI &msg, BHMsgHead &head) { + std::unique_lock<std::mutex> lk(st->mutex); + if (!st->canceled) { + reply.swap(msg); + reply_head.Swap(&head); + st->cv.notify_one(); + } else { // ignore + } + }; + + std::unique_lock<std::mutex> lk(st->mutex); + bool sendok = Send(remote, head, body, std::move(OnRecv)); + if (!sendok) { + LOG_DEBUG() << "send timeout"; + } + if (sendok && st->cv.wait_until(lk, endtime) == std::cv_status::no_timeout) { + return true; + } else { + st->canceled = true; + SetLastError(ETIMEDOUT, "timeout"); + return false; + } + } catch (...) { + return false; + } + } + + Shm &shm() const { return mq().shm(); } protected: - ShmSocket(Shm &shm, const void *id, const int len); - Shm &shm() { return shm_; } - const Shm &shm() const { return shm_; } - Queue &mq() { return *mq_; } // programmer should make sure that mq_ is valid. - const Queue &mq() const { return *mq_; } + Queue &mq() { return mq_; } // programmer should make sure that mq_ is valid. + const Queue &mq() const { return mq_; } std::mutex &mutex() { return mutex_; } - - bool SyncSend(const void *id, const bhome_msg::BHMsg &msg, const int timeout_ms); - bool SyncRecv(bhome_msg::BHMsg &msg, const int timeout_ms); private: bool StopNoLock(); bool RunningNoLock() { return !workers_.empty(); } - Shm &shm_; + bool Send(const MQInfo &remote, std::string &&content, const std::string &msg_id, RecvCB &&cb = RecvCB()); + + template <class... Rest> + bool SendImpl(const MQInfo &remote, Rest &&...rest) + { + return send_buffer_.Append(remote, std::forward<decltype(rest)>(rest)...); + } + std::vector<std::thread> workers_; std::mutex mutex_; std::atomic<bool> run_; - std::unique_ptr<Queue> mq_; + Queue mq_; + template <class Key, class CB> + class CallbackRecords + { + std::unordered_map<Key, CB> store_; + + public: + bool empty() const { return store_.empty(); } + bool Store(const Key &id, CB &&cb) { return store_.emplace(id, std::move(cb)).second; } + bool Pick(const Key &id, CB &cb) + { + auto pos = store_.find(id); + if (pos != store_.end()) { + cb.swap(pos->second); + store_.erase(pos); + return true; + } else { + return false; + } + } + }; + + Synced<CallbackRecords<std::string, RecvCB>> per_msg_cbs_; + Synced<CallbackRecords<int, RawRecvCB>> alloc_cbs_; + SendQ send_buffer_; + + // node request center alloc memory. + int node_proc_index_ = -1; + int socket_index_ = -1; + std::atomic<int> alloc_id_; }; #endif // end of include guard: SOCKET_GWTJHBPO -- Gitblit v1.8.0