From 708ff9e8af731e2799767ed8bfca7df3b74fc26a Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期五, 16 四月 2021 19:20:21 +0800
Subject: [PATCH] sendq use less shm, copy data.

---
 src/sendq.h |   40 ++++++++++++++++++----------------------
 1 files changed, 18 insertions(+), 22 deletions(-)

diff --git a/src/sendq.h b/src/sendq.h
index b4f3821..bba44af 100644
--- a/src/sendq.h
+++ b/src/sendq.h
@@ -21,6 +21,7 @@
 #include "defs.h"
 #include "msg.h"
 #include "timed_queue.h"
+#include <boost/variant2/variant.hpp>
 #include <deque>
 #include <functional>
 #include <list>
@@ -38,36 +39,43 @@
 public:
 	typedef std::string Remote;
 	typedef bhome_msg::MsgI MsgI;
-	typedef std::function<void(const MsgI &msg)> OnMsgEvent;
+	typedef std::string Content;
+	typedef boost::variant2::variant<MsgI, Content> Data;
+	typedef std::function<void(const Data &)> OnMsgEvent;
 	struct MsgInfo {
-		MsgI msg_;
+		Data data_;
 		OnMsgEvent on_expire_;
-		// OnMsgEvent on_send_;
 	};
 	typedef TimedData<MsgInfo> TimedMsg;
 	typedef TimedMsg::TimePoint TimePoint;
 	typedef TimedMsg::Duration Duration;
 
-	void Append(const MQId &id, const MsgI &msg, OnMsgEvent onExpire = OnMsgEvent())
+	template <class... Rest>
+	void Append(const MQId &id, Rest &&...rest)
 	{
-		Append(std::string((const char *) &id, sizeof(id)), msg, onExpire);
+		Append(std::string((const char *) &id, sizeof(id)), std::forward<decltype(rest)>(rest)...);
 	}
+
 	void Append(const Remote &addr, const MsgI &msg, OnMsgEvent onExpire = OnMsgEvent())
 	{
-		using namespace std::chrono_literals;
-		Append(addr, msg, Now() + 60s, onExpire);
+		msg.AddRef();
+		AppendData(addr, Data(msg), DefaultExpire(), onExpire);
+	}
+	void Append(const Remote &addr, Content &&content, OnMsgEvent onExpire = OnMsgEvent())
+	{
+		AppendData(addr, Data(std::move(content)), DefaultExpire(), onExpire);
 	}
 	bool TrySend(bhome_shm::ShmMsgQueue &mq);
 	// bool empty() const { return store_.empty(); }
 
 private:
 	static TimePoint Now() { return TimedMsg::Clock::now(); }
-	void Append(const Remote &addr, const MsgI &msg, const TimePoint &expire, OnMsgEvent onExpire)
+	static TimePoint DefaultExpire() { return Now() + std::chrono::seconds(60); }
+	void AppendData(const Remote &addr, Data &&data, const TimePoint &expire, OnMsgEvent onExpire)
 	{
 		//TODO simple queue, organize later ?
 
-		msg.AddRef();
-		TimedMsg tmp(expire, MsgInfo{msg, onExpire});
+		TimedMsg tmp(expire, MsgInfo{std::move(data), std::move(onExpire)});
 		std::unique_lock<std::mutex> lock(mutex_in_);
 		auto &al = in_[addr];
 		if (!al.empty()) {
@@ -82,18 +90,6 @@
 
 	int DoSend1Remote(bhome_shm::ShmMsgQueue &mq, const Remote &remote, Array &arr);
 	int DoSend1Remote(bhome_shm::ShmMsgQueue &mq, const Remote &remote, ArrayList &arr);
-
-	class MsgIter
-	{
-		Array::iterator iter_;
-
-	public:
-		MsgIter(Array::iterator iter) :
-		    iter_(iter) {}
-		MsgIter &operator++() { return ++iter_, *this; }
-		bool operator==(const MsgIter &a) { return iter_ == a.iter_; }
-		MsgI &operator*() { return iter_->data().msg_; }
-	};
 
 	std::mutex mutex_in_;
 	std::mutex mutex_out_;

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