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+/* -*- c++ -*- */
+/*
+ * Copyright 2012 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio 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.
+ *
+ * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_BLOCKS_FILE_SOURCE_IMPL_H
+#define INCLUDED_BLOCKS_FILE_SOURCE_IMPL_H
+
+#include <blocks/file_source.h>
+
+namespace gr {
+ namespace blocks {
+
+ class BLOCKS_API file_source_impl : public file_source
+ {
+ private:
+ size_t d_itemsize;
+ FILE *d_fp;
+ FILE *d_new_fp;
+ bool d_repeat;
+ bool d_updated;
+ boost::mutex fp_mutex;
+
+ void do_update();
+
+ public:
+ file_source_impl(size_t itemsize, const char *filename, bool repeat);
+ ~file_source_impl();
+
+ bool seek(long seek_point, int whence);
+ void open(const char *filename, bool repeat);
+ void close();
+
+ int work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+ };
+
+ } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_BLOCKS_FILE_SOURCE_IMPL_H */