From 5bb28835d06e27dbd960916c9fb11a555fc5a9bc Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期一, 26 四月 2021 14:24:29 +0800
Subject: [PATCH] add shared lib target.

---
 src/shm_queue.h |   51 +++++++++++++++++++++++++--------------------------
 1 files changed, 25 insertions(+), 26 deletions(-)

diff --git a/src/shm_queue.h b/src/shm_queue.h
index 93d77df..4f576a7 100644
--- a/src/shm_queue.h
+++ b/src/shm_queue.h
@@ -21,6 +21,7 @@
 
 #include "msg.h"
 #include "shm.h"
+#include <atomic>
 #include <boost/circular_buffer.hpp>
 #include <boost/date_time/posix_time/posix_time.hpp>
 
@@ -29,8 +30,6 @@
 
 template <class D>
 using Circular = boost::circular_buffer<D, Allocator<D>>;
-
-typedef boost::uuids::uuid MQId;
 
 template <class D>
 class SharedQueue : private Circular<D>
@@ -108,8 +107,6 @@
 public:
 	SharedQueue(const uint32_t len, Allocator<D> const &alloc) :
 	    Super(len, alloc) {}
-	using Super::capacity;
-	using Super::size;
 
 	template <class Iter, class OnWrite>
 	int TryWrite(Iter begin, Iter end, const OnWrite &onWrite)
@@ -137,32 +134,33 @@
 
 using namespace bhome_msg;
 
-class ShmMsgQueue : private ShmObject<SharedQueue<MsgI>>
+class ShmMsgQueue : public StaticDataRef<std::atomic<uint64_t>, ShmMsgQueue>
 {
-	typedef ShmObject<SharedQueue<MsgI>> Super;
-	typedef Super::Data Queue;
+	typedef ShmObject<SharedQueue<MsgI>> Shmq;
+	typedef Shmq::ShmType ShmType;
+	typedef Shmq::Data Queue;
 	typedef std::function<void()> OnSend;
-	MQId id_;
 
-protected:
-	ShmMsgQueue(const std::string &raw_name, ShmType &segment, const int len); // internal use.
 public:
-	ShmMsgQueue(const MQId &id, ShmType &segment, const int len);
+	typedef uint64_t MQId;
+
+	static MQId NewId();
+
+	ShmMsgQueue(const MQId id, ShmType &segment, const int len);
 	ShmMsgQueue(ShmType &segment, const int len);
 	~ShmMsgQueue();
-	static bool Remove(SharedMemory &shm, const MQId &id);
-	const MQId &Id() const { return id_; }
-	using Super::shm;
+	static bool Remove(SharedMemory &shm, const MQId id);
+	MQId Id() const { return id_; }
+	ShmType &shm() const { return queue_.shm(); }
 
-	bool Recv(MsgI &msg, const int timeout_ms) { return data()->Read(msg, timeout_ms); }
-	bool TryRecv(MsgI &msg) { return data()->TryRead(msg); }
+	bool Recv(MsgI &msg, const int timeout_ms) { return queue_.data()->Read(msg, timeout_ms); }
+	bool TryRecv(MsgI &msg) { return queue_.data()->TryRead(msg); }
 	template <class OnData>
-	int TryRecvAll(OnData const &onData) { return data()->TryReadAll(onData); }
-	static Queue *Find(SharedMemory &shm, const MQId &remote_id);
-	// static bool Send(SharedMemory &shm, const MQId &remote_id, const MsgI &msg, const int timeout_ms, OnSend const &onsend = OnSend());
-	static bool TrySend(SharedMemory &shm, const MQId &remote_id, const MsgI &msg, OnSend const &onsend = OnSend());
+	int TryRecvAll(OnData const &onData) { return queue_.data()->TryReadAll(onData); }
+	static Queue *Find(SharedMemory &shm, const MQId remote_id);
+	static bool TrySend(SharedMemory &shm, const MQId remote_id, const MsgI &msg, OnSend const &onsend = OnSend());
 	template <class Iter>
-	static int TrySendAll(SharedMemory &shm, const MQId &remote_id, const Iter begin, const Iter end, OnSend const &onsend = OnSend())
+	static int TrySendAll(SharedMemory &shm, const MQId remote_id, const Iter begin, const Iter end, OnSend const &onsend = OnSend())
 	{
 		Queue *remote = Find(shm, remote_id);
 		if (remote) {
@@ -177,14 +175,15 @@
 		}
 	}
 
-	// template <class... Rest>
-	// bool Send(const MQId &remote_id, Rest const &...rest) { return Send(shm(), remote_id, rest...); }
 	template <class... Rest>
-	bool TrySend(const MQId &remote_id, Rest const &...rest) { return TrySend(shm(), remote_id, rest...); }
+	bool TrySend(const MQId remote_id, Rest const &...rest) { return TrySend(shm(), remote_id, rest...); }
 	template <class... Rest>
-	int TrySendAll(const MQId &remote_id, Rest const &...rest) { return TrySendAll(shm(), remote_id, rest...); }
+	int TrySendAll(const MQId remote_id, Rest const &...rest) { return TrySendAll(shm(), remote_id, rest...); }
 
-	size_t Pending() const { return data()->size(); }
+private:
+	MQId id_;
+	Shmq &queue() { return queue_; }
+	Shmq queue_;
 };
 
 } // namespace bhome_shm

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