107 lines
2.6 KiB
C++
107 lines
2.6 KiB
C++
// generic.hxx -- generic protocol class
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//
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// Written by Curtis Olson, started November 1999.
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//
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// Copyright (C) 1999 Curtis L. Olson - http://www.flightgear.org/~curt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#ifndef _FG_SERIAL_HXX
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#define _FG_SERIAL_HXX
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#include <simgear/compiler.h>
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#include <string>
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#include "protocol.hxx"
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using std::string;
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class FGGeneric : public FGProtocol {
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public:
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FGGeneric(vector<string>);
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~FGGeneric();
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bool gen_message();
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bool parse_message(int length);
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// open hailing frequencies
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bool open();
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void reinit();
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// process work for this port
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bool process();
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// close the channel
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bool close();
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void setExitOnError(bool val) { exitOnError = val; }
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bool getExitOnError() { return exitOnError; }
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protected:
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enum e_type { FG_BOOL=0, FG_INT, FG_FLOAT, FG_DOUBLE, FG_STRING, FG_FIXED };
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typedef struct {
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// string name;
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string format;
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e_type type;
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double offset;
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double factor;
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SGPropertyNode_ptr prop;
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} _serial_prot;
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private:
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string file_name;
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string direction;
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int length;
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char buf[ FG_MAX_MSG_SIZE ];
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string preamble;
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string postamble;
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string var_separator;
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string line_separator;
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string var_sep_string;
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string line_sep_string;
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vector<_serial_prot> _out_message;
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vector<_serial_prot> _in_message;
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bool binary_mode;
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enum {FOOTER_NONE, FOOTER_LENGTH, FOOTER_MAGIC} binary_footer_type;
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int binary_footer_value;
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int binary_record_length;
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enum {BYTE_ORDER_NEEDS_CONVERSION, BYTE_ORDER_MATCHES_NETWORK_ORDER} binary_byte_order;
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bool gen_message_ascii();
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bool gen_message_binary();
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bool parse_message_ascii(int length);
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bool parse_message_binary(int length);
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void read_config(SGPropertyNode *root, vector<_serial_prot> &msg);
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bool exitOnError;
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};
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#endif // _FG_SERIAL_HXX
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