diff --git a/src/platform/linux/linux_socket.cpp b/src/platform/linux/linux_socket.cpp
index 297c1a1..f5da455 100755
--- a/src/platform/linux/linux_socket.cpp
+++ b/src/platform/linux/linux_socket.cpp
@@ -27,7 +27,7 @@ namespace Bk::Net {
 
 	LinuxSocket::~LinuxSocket()
 	{
-		close(id);
+		if(id > 0) close(id);
 	}
 
 	bool LinuxSocket::init()
@@ -53,10 +53,10 @@ namespace Bk::Net {
 	    return true;
 	}
 
-	std::unique_ptr<Socket> LinuxSocket::ack()
+	Socket* LinuxSocket::ack()
 	{
 		socklen_t addrlen = sizeof(addr);
-		return std::unique_ptr<Socket>(Socket::create(accept(id, (struct sockaddr*)&addr, &addrlen), ip_addr.version, ip_proto));
+		return new LinuxSocket(accept(id, (struct sockaddr*)&addr, &addrlen), ip_addr.version, ip_proto);
 	}
 
 	bool LinuxSocket::conn()
@@ -69,6 +69,14 @@ namespace Bk::Net {
     	return true;
 	}
 
+	bool LinuxSocket::hasConnection(int seconds, int microseconds) {
+		struct timeval tv = { seconds, microseconds };
+		fd_set rfds;
+		FD_ZERO(&rfds);
+		FD_SET(id, &rfds);
+		return select(id + 1, &rfds, (fd_set*)0, (fd_set*)0, &tv) > 0;
+	};
+
 	void LinuxSocket::emit(std::vector<char> packet)
 	{
 		write(id, packet.data(), packet.size());
@@ -83,13 +91,13 @@ namespace Bk::Net {
 		return buffer;
 	}
 	
-	std::unique_ptr<Socket> Socket::create(IpAddress ip, int port, IpProtocol proto)
+	Socket* Socket::create(IpAddress ip, int port, IpProtocol proto)
 	{
-		return std::unique_ptr<Socket>(new LinuxSocket(ip, port, proto));
+		return new LinuxSocket(ip, port, proto);
 	}
 
-	std::unique_ptr<Socket> Socket::create(int id, IpVersion ver, IpProtocol proto)
+	Socket* Socket::create(int id, IpVersion ver, IpProtocol proto)
 	{
-		return std::unique_ptr<Socket>(new LinuxSocket(id, ver, proto));
+		return new LinuxSocket(id, ver, proto);
 	}
 }
\ No newline at end of file
diff --git a/src/platform/linux/linux_socket.h b/src/platform/linux/linux_socket.h
index c20c1f4..287ea0c 100755
--- a/src/platform/linux/linux_socket.h
+++ b/src/platform/linux/linux_socket.h
@@ -13,9 +13,11 @@ namespace Bk::Net {
 
             bool init() override;
             bool start(int cpt_conn) override;
-            std::unique_ptr<Socket> ack() override;
+            Socket* ack() override;
             bool conn() override;
 
+            bool hasConnection(int seconds = 0, int microseconds = 0) override;
+
             int get_raw_socket() override { return id; }
             const std::string get_ip() override { return ip_addr.str; }
 
diff --git a/src/platform/windows/windows_socket.cpp b/src/platform/windows/windows_socket.cpp
index 1117f5e..1927c51 100755
--- a/src/platform/windows/windows_socket.cpp
+++ b/src/platform/windows/windows_socket.cpp
@@ -69,7 +69,7 @@ namespace Bk::Net {
 	Socket* WindowsSocket::ack()
 	{
 		socklen_t addrlen = sizeof(addr);
-		return Socket::create(accept((SOCKET)id, (struct sockaddr*)&addr, &addrlen), ip_addr.version, ip_proto);
+		return WindowsSocket(accept((SOCKET)id, (struct sockaddr*)&addr, &addrlen), ip_addr.version, ip_proto));
 	}
 
 	bool WindowsSocket::conn()