feat(SecureSocketImpl): how to set the socket of SecureSocketImpl to no-blocking? #2352

NetSSL_OpenSSL/include/Poco/Net/SecureSocketImpl.h

@@ -161,6 +161,15 @@ public:
 		/// underlying TCP connection. No orderly SSL shutdown
 		/// is performed.
 
+	void setBlocking(bool flag);
+		/// Sets the socket in blocking mode if flag is true,
+		/// disables blocking mode if flag is false.
+
+	bool getBlocking() const;
+		/// Returns the blocking mode of the socket.
+		/// This method will only work if the blocking modes of
+		/// the socket are changed via the setBlocking method!
+
 	int sendBytes(const void* buffer, int length, int flags = 0);
 		/// Sends the contents of the given buffer through
 		/// the socket. Any specified flags are ignored.