From aac0fe50f0ae9d13ff8ff7db2288a877b2fb2c53 Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期五, 17 十二月 2021 14:13:55 +0800
Subject: [PATCH] bug fixed

---
 src/common.h |   40 +++++++++++++++++++++++++++-------------
 1 files changed, 27 insertions(+), 13 deletions(-)

diff --git a/src/common.h b/src/common.h
index 1a9a826..db4761d 100644
--- a/src/common.h
+++ b/src/common.h
@@ -9,12 +9,30 @@
 #include <unordered_map>
 #include <mutex>
 #include <condition_variable>
+#include <tuple>
 #include <unistd.h>
 
 #include "nng/compat/nanomsg/nn.h"
 #include <nng/nng.h>
 
 namespace nng_wrap {
+template <class... T> struct make_void{typedef void type;};
+template <class... T> using void_t = typename make_void<T...>::type;
+template <class T, typename = void> struct is_default_c : std::false_type{};
+template <class T> struct is_default_c<T, void_t<decltype(T())>> : std::true_type{};
+template<class T> using is_function_t = typename std::is_function<typename std::remove_pointer<typename std::remove_reference<T>::type>::type>::type;
+template <bool, class T> struct is_callable_h : is_function_t<T>{};
+template <class T> struct is_callable_h<true, T>{
+private:
+    struct FB{void operator()();};
+    struct D : T, FB{};
+    template<typename U, U> struct c;
+    template<class> static std::true_type t(...);
+    template<class C> static std::false_type t(c<void(FB::*)(), &C::operator()>*);
+public:
+    using type = decltype(t<D>(nullptr));
+};
+template <class T> using is_callable = typename is_callable_h<std::is_class<typename std::remove_reference<T>::type>::value, typename std::remove_reference<T>::type>::type;
 
 static thread_local std::string verbose_info{};
 #ifndef PRNTVITAG
@@ -110,7 +128,6 @@
 public:
     struct psmsg{
         DISABLE_COPY_AND_ASSIGN(psmsg);
-        psmsg()=delete;
         psmsg(const std::string& t, std::string&& m)
         :topic_(t),data_(std::move(m)){}
         std::string topic_{};
@@ -173,31 +190,23 @@
     DISABLE_COPY_AND_ASSIGN(_rr);
     _rr()=default;
     ~_rr(){
-        if(sock_local_.id > 0) nng_close(sock_local_);
-        if(sock_remote_.id > 0) nng_close(sock_remote_);
+        if(std::get<0>(socks_).id > 0) nng_close(std::get<0>(socks_));
+        if(std::get<0>(std::get<1>(socks_)).id > 0) nng_close(std::get<0>(std::get<1>(socks_)));
         t_quit_.store(true, std::memory_order_relaxed);
         if (t_unblock_&&t_unblock_->joinable()) t_unblock_->join();
     }
 
-
     std::unique_ptr<std::thread>                    t_unblock_{nullptr};
     std::atomic_bool                                t_quit_{false};
 
-    nng_socket                                      sock_local_{0};
-    nng_socket                                      sock_remote_{0};
-    int                                             port_{-1};
+    std::tuple<nng_socket, std::tuple<nng_socket, int>> socks_;
 
     std::unordered_map<uint64_t, std::string>       msg_{};
     class worker{
         worker& in_op(const worker& w){if(&w!=this){w_=w.w_;life_=w.life_;}return *this;};
     public:
-        worker()=default;
-        ~worker()=default;
         worker(struct work* w):w_(w),life_(0){}
-        worker(const worker& w):w_(w.w_),life_(w.life_){}
         worker(worker&& w):w_(w.w_),life_(w.life_){}
-        worker& operator=(const worker& w){return in_op(w);}
-        worker& operator=(worker&& w){return in_op(w);}
         operator struct work*() const{return w_;}
         operator int&() {return life_;}
         struct work* w_{};
@@ -210,7 +219,12 @@
 
 };
 
-template<class T> inline T* singleton(){ static T t; return &t; }
+template<class T, typename std::enable_if<is_default_c<T>::value, int>::type=0> inline T* singleton(){ static auto t = std::make_unique<T>(); return t.get(); }
+
+template <class T, class... Args, typename std::enable_if<is_callable<T>::value, int>::type=0>
+inline std::thread get_thread(T&& t, Args&&... args){
+    return std::thread(std::forward<T>(t), std::forward<Args>(args)...);
+}
 
 }
 #endif
\ No newline at end of file

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