Imported Upstream version 3.2.2

[debian/gnuradio] / usrp2 / host / include / usrp2 / copy_handler.h

diff --git a/usrp2/host/include/usrp2/copy_handler.h b/usrp2/host/include/usrp2/copy_handler.h
new file mode 100644 (file)
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+++ b/usrp2/host/include/usrp2/copy_handler.h
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+/* -*- c++ -*- */
+/*
+ * Copyright 2008 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef INCLUDED_COPY_HANDLER_H
+#define INCLUDED_COPY_HANDLER_H
+
+#include <usrp2/data_handler.h>
+#include <boost/utility.hpp>
+
+namespace usrp2 {
+
+  class copy_handler : public data_handler, boost::noncopyable 
+  {
+    uint8_t *d_dest;      // next write pointer
+    size_t   d_space;     // space left in destination buffer
+    size_t   d_bytes;     // total bytes copied
+    size_t   d_times;     // number of times invoked
+
+  public:
+    copy_handler(void *dest, size_t len);
+    ~copy_handler();
+ 
+    virtual data_handler::result operator()(const void *base, size_t len);
+
+    size_t bytes() const { return d_bytes; }
+    size_t times() const { return d_times; }
+
+    static const size_t MIN_COPY_LEN = 1484; // FIXME: calculate eth packet - thdr
+    bool full() const { return d_space < MIN_COPY_LEN; }
+  };
+    
+} // namespace usrp2
+
+#endif /* INCLUDED_COPY_HANDLER_H */