breaking change of ack callback, windows compile fix for PR

Author: melode11

src/sio_message.h

@@ -11,6 +11,7 @@
 #include <vector>
 #include <map>
 #include <cassert>
+#include <type_traits>
 namespace sio
 {
     using namespace std;
@@ -28,7 +29,7 @@ namespace sio
             flag_object
         };
 
-        virtual ~message() = default;
+		virtual ~message(){};
 
         class list;
 
@@ -261,6 +262,13 @@ namespace sio
             m_vector(std::move(rhs.m_vector))
         {
 
+        }
+
+		template <typename T>
+		list(T&& content,
+			typename enable_if<is_same<vector<message::ptr>,typename remove_reference<T>::type>::value>::type* = 0):
+			m_vector(std::forward<T>(content))
+        {
         }
 
         list(message::list const& rhs):

src/sio_socket.cpp

@@ -131,7 +131,7 @@ namespace sio
 
         void close();
 
-        void emit(std::string const& name, message::list const& msglist, std::function<void (message::ptr const&)> const& ack);
+        void emit(std::string const& name, message::list const& msglist, std::function<void (message::list const&)> const& ack);
 
         std::string const& get_namespace() const {return m_nsp;}
 
@@ -150,7 +150,7 @@ namespace sio
 
         // Message Parsing callbacks.
         void on_socketio_event(const std::string& nsp, int msgId,const std::string& name, message::list&& message);
-        void on_socketio_ack(int msgId, message::ptr const& message);
+        void on_socketio_ack(int msgId, message::list const& message);
         void on_socketio_error(message::ptr const& err_message);
 
         event_listener get_bind_listener_locked(string const& event);
@@ -172,7 +172,7 @@ namespace sio
         bool m_connected;
         std::string m_nsp;
 
-        std::map<unsigned int, std::function<void (message::ptr const&)> > m_acks;
+        std::map<unsigned int, std::function<void (message::list const&)> > m_acks;
 
         std::map<std::string, event_listener> m_event_binding;
 
@@ -243,7 +243,7 @@ namespace sio
 
     unsigned int socket::impl::s_global_event_id = 1;
 
-    void socket::impl::emit(std::string const& name, message::list const& msglist, std::function<void (message::ptr const&)> const& ack)
+    void socket::impl::emit(std::string const& name, message::list const& msglist, std::function<void (message::list const&)> const& ack)
     {
         NULL_GUARD(m_client);
         message::ptr msg_ptr = msglist.to_array_message(name);
@@ -398,19 +398,13 @@ namespace sio
                 const message::ptr ptr = p.get_message();
                 if(ptr->get_flag() == message::flag_array)
                 {
-                    const array_message* array_ptr = static_cast<const array_message*>(ptr.get());
-                    if(array_ptr->get_vector().size() >= 1&&array_ptr->get_vector()[0]->get_flag() == message::flag_string)
-                    {
-                        message::ptr value_ptr;
-                        if(array_ptr->get_vector().size()>1)
-                        {
-                            value_ptr = array_ptr->get_vector()[1];
-                        }
-                        this->on_socketio_ack(p.get_pack_id(), value_ptr);
-                        break;
-                    }
+					message::list msglist(ptr->get_vector());
+					this->on_socketio_ack(p.get_pack_id(),msglist);
                 }
-                this->on_socketio_ack(p.get_pack_id(),ptr);
+				else
+				{
+					this->on_socketio_ack(p.get_pack_id(),message::list(ptr));
+				}
                 break;
             }
                 // Error
@@ -445,9 +439,9 @@ namespace sio
         send_packet(p);
     }
 
-    void socket::impl::on_socketio_ack(int msgId, message::ptr const& message)
+    void socket::impl::on_socketio_ack(int msgId, message::list const& message)
     {
-        std::function<void (message::ptr const&)> l;
+        std::function<void (message::list const&)> l;
         {
             std::lock_guard<std::mutex> guard(m_event_mutex);
             auto it = m_acks.find(msgId);
@@ -551,7 +545,7 @@ namespace sio
         m_impl->off_error();
     }
 
-    void socket::emit(std::string const& name, message::list const& msglist, std::function<void (message::ptr const&)> const& ack)
+    void socket::emit(std::string const& name, message::list const& msglist, std::function<void (message::list const&)> const& ack)
     {
         m_impl->emit(name, msglist,ack);
     }

src/sio_socket.h

@@ -70,7 +70,7 @@ namespace sio
 
         void off_error();
 
-        void emit(std::string const& name, message::list const& msglist = nullptr, std::function<void (message::ptr const&)> const& ack = nullptr);
+        void emit(std::string const& name, message::list const& msglist = nullptr, std::function<void (message::list const&)> const& ack = nullptr);
 
         std::string const& get_namespace() const;