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-rw-r--r--blocks/src/lib/pdu.cc67
1 files changed, 67 insertions, 0 deletions
diff --git a/blocks/src/lib/pdu.cc b/blocks/src/lib/pdu.cc
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+++ b/blocks/src/lib/pdu.cc
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+/* -*- C++ -*- */
+
+/*
+ * Copyright 2008 Steve Glass
+ *
+ * This file is part of OP25.
+ *
+ * OP25 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.
+ *
+ * OP25 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 OP25; see the file COPYING. If not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <pdu.h>
+
+using std::string;
+
+pdu::pdu(const_bit_queue& frame_body) :
+ abstract_data_unit(frame_body)
+{
+}
+pdu::~pdu()
+{
+}
+
+string
+pdu::duid_str() const
+{
+ return string("PDU");
+}
+
+void
+pdu::do_correct_errors(bit_vector& frame_body)
+{
+}
+
+uint16_t
+pdu::frame_size_max() const
+{
+#if 1
+ const size_t HEADER_BLOCK_SIZE = 720;
+ return HEADER_BLOCK_SIZE;
+#else
+ const size_t MIN_HEADER_BLOCK_SZ = 312;
+ // after HEADER_BLOCK_SIZE bits have been read we can then use the
+ // header contents to decide on frame_size_max
+
+ size_t n = MIN_HEADER_BLOCK_SZ;
+ if(n < ) {
+ static const size_t BITS[] = {};
+ static const size_t BITS_SZ = sizeof(BITS) / sizeof(BITS[0]);
+ n = extract();
+ }
+ return n;
+
+#endif
+}