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+/*
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
+ Queen in Right of Canada (Communications Research Center Canada)
+ */
+/*
+ This file is part of CRC-DabMux.
+
+ CRC-DabMux 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 of the
+ License, or (at your option) any later version.
+
+ CRC-DabMux 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 CRC-DabMux. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _BRIDGE
+#define _BRIDGE
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef _WIN32
+# ifdef _DEBUG
+ extern int bridgeVerbosity;
+# endif // _DEBUG
+#else
+# ifndef DEBUG
+# ifndef NDEBUG
+# define NDEBUG
+# endif
+# else
+ extern int bridgeVerbosity;
+# endif // DEBUG
+#endif // _WIN32
+
+struct bridgeStats {
+ unsigned long frames; // Number of frames analyzed
+ unsigned long valids; // Nb of frames with a good magic number
+ unsigned long invalids; // Nb of frames with a good magic number
+ unsigned long bytes; // Nb of data bytes
+ unsigned long packets; // Nb of packets found
+ unsigned long errors;
+ unsigned long missings;
+ unsigned long dropped;
+ unsigned long crc; // Nb of crc errors
+ unsigned long overruns; // Nb of packet too big
+};
+
+
+struct bridgeHdr {
+ unsigned short size;
+ unsigned short seqNb;
+ unsigned short crc;
+};
+
+
+struct bridgeInfo {
+ // Tx
+ int transmitted; // Nb bytes written
+ int offset; // Offset of the next byte to write
+ // Rx
+ int received;
+ int pos;
+ int state;
+ unsigned short lastSeq;
+ unsigned short sync;
+ char initSeq;
+ // General
+ struct bridgeHdr header;
+ struct bridgeStats stats;
+};
+
+
+
+void dump(void* data, int size, FILE* stream);
+
+/*
+ * Example of usae:
+ * if (data.length == 0)
+ * read(data)
+ * while (writePacket() != 0)
+ * read(read)
+ * ...
+ */
+int writePacket(void* dataIn, int sizeIn, void* dataOut, int sizeOut, struct bridgeInfo* info);
+
+int getPacket(void* dataIn, int sizeIn, void* dataOut, int sizeOut, struct bridgeInfo* info, char async);
+
+void bridgeInitInfo(struct bridgeInfo* info);
+struct bridgeStats getStats(struct bridgeInfo* info);
+void resetStats(struct bridgeInfo* info);
+void printStats(struct bridgeInfo* info, FILE* out);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _BRIDGE