Remove is_init() check on each log call

include/spdlog/details/udp_client-windows.h

@@ -77,11 +77,6 @@ public:
             init_winsock_();
         }
 
-        if (is_init())
-        {
-            close();
-        }
-
         addr_.sin_family = PF_INET;
         addr_.sin_port = htons(port);
         addr_.sin_addr.s_addr = INADDR_ANY;
@@ -108,7 +103,10 @@ public:
 
     void close()
     {
-        ::closesocket(socket_);
+        if (socket_ != -1)
+        {
+            ::closesocket(socket_);
+        }
         socket_ = INVALID_SOCKET;
         WSACleanup();
     }

include/spdlog/details/udp_client.h

@@ -52,14 +52,9 @@ public:
         return true;
     }
 
-    bool is_init() const
-    {
-        return socket_ != -1;
-    }
-
     void close()
     {
-        if (is_init())
+        if (socket_ != -1)
         {
             ::close(socket_);
             socket_ = -1;

include/spdlog/sinks/udp_sink.h

@@ -53,10 +53,6 @@ protected:
     {
         spdlog::memory_buf_t formatted;
         spdlog::sinks::base_sink<Mutex>::formatter_->format(msg, formatted);
-        if (!client_.is_init())
-        {
-            client_.init(config_.server_host, config_.server_port);
-        }
         client_.send(formatted.data(), formatted.size());
     }