Added block for extracting assignment commands
diff --git a/lib/misc_utils/extract_assignment_cmd_impl.h b/lib/misc_utils/extract_assignment_cmd_impl.h
new file mode 100644
index 0000000..8f24b00
--- /dev/null
+++ b/lib/misc_utils/extract_assignment_cmd_impl.h
@@ -0,0 +1,43 @@
+/* -*- c++ -*- */
+/*
+ * @file
+ * @author (C) 2018 by Piotr Krysik <ptrkrysik@gmail.com>
+ * @section LICENSE
+ *
+ * Gr-gsm is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * Gr-gsm is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with gr-gsm; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_GSM_EXTRACT_ASSIGNMENT_CMD_IMPL_H
+#define INCLUDED_GSM_EXTRACT_ASSIGNMENT_CMD_IMPL_H
+
+#include <grgsm/misc_utils/extract_assignment_cmd.h>
+#include <vector>
+
+namespace gr {
+ namespace gsm {
+ class extract_assignment_cmd_impl : public extract_assignment_cmd
+ {
+ private:
+ void process_messages(pmt::pmt_t msg);
+ std::vector<int> d_assignment_commands;
+ public:
+ virtual std::vector<int> get_assignment_commands();
+ extract_assignment_cmd_impl();
+ ~extract_assignment_cmd_impl();
+ };
+ } // namespace gsm
+} // namespace gr
+#endif /* INCLUDED_GSM_EXTRACT_ASSIGNMENT_CMD_IMPL_H */