From dc12826dd61ce18fac3a9561c5843d30a0cf9660 Mon Sep 17 00:00:00 2001
From: lichao <lichao@aiotlink.com>
Date: 星期五, 02 四月 2021 15:48:53 +0800
Subject: [PATCH] add request topic cache; refactor req/rep center.
---
src/bh_util.h | 39 +++++++++++++++++++++++++++++++++++++++
1 files changed, 39 insertions(+), 0 deletions(-)
diff --git a/src/bh_util.h b/src/bh_util.h
index b5dc45e..bc48578 100644
--- a/src/bh_util.h
+++ b/src/bh_util.h
@@ -19,6 +19,7 @@
#define BH_UTIL_SOXWOK67
#include <functional>
+#include <mutex>
#include <stdint.h>
inline uint16_t Get8(const void *p)
@@ -104,6 +105,44 @@
}
};
+template <class D, class M, class G = std::unique_lock<M>>
+class SyncedPtr
+{
+ G lock_;
+ D *p_ = nullptr;
+
+public:
+ SyncedPtr(M &mtx, D &data) :
+ lock_(mtx), p_(&data) {}
+ SyncedPtr(SyncedPtr &&a)
+ {
+ lock_.swap(a.lock_);
+ std::swap(p_, a.p_);
+ }
+ D *operator->() const { return p_; }
+ D &operator*() const { return *p_; }
+};
+
+template <class T, class Mutex = std::mutex, class Lock = std::unique_lock<Mutex>>
+class Synced
+{
+ typedef T Data;
+ Mutex mutex_;
+ Data data_;
+ typedef SyncedPtr<Data, Mutex, Lock> Ptr;
+
+public:
+ template <class... P>
+ explicit Synced(const P &...p) :
+ data_(p...) {}
+ Ptr operator->() { return Ptr(mutex_, data_); }
+ auto Apply(const auto &f)
+ {
+ Lock lk(mutex_);
+ return f(data_);
+ }
+};
+
// macro helper
#define JOIN_IMPL(a, b) a##b
#define JOIN(a, b) JOIN_IMPL(a, b)
--
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