50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
// logger.hxx - log properties.
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// Written by David Megginson, started 2002.
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//
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// This file is in the Public Domain, and comes with no warranty.
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#ifndef __LOGGER_HXX
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#define __LOGGER_HXX 1
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#include <memory>
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#include <vector>
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#include <simgear/compiler.h>
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#include <simgear/io/iostreams/sgstream.hxx>
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#include <simgear/structure/subsystem_mgr.hxx>
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#include <simgear/props/props.hxx>
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/**
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* Log any property values to any number of CSV files.
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*/
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class FGLogger : public SGSubsystem
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{
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public:
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// Subsystem API.
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void bind() override;
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void init() override;
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void reinit() override;
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void unbind() override;
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void update(double dt) override;
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// Subsystem identification.
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static const char* staticSubsystemClassId() { return "logger"; }
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private:
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/**
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* A single instance of a log file (the logger can contain many).
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*/
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struct Log {
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Log ();
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std::vector<SGPropertyNode_ptr> nodes;
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std::unique_ptr<sg_ofstream> output;
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long interval_ms;
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double last_time_ms;
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char delimiter;
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};
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std::vector< std::unique_ptr<Log> > _logs;
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};
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#endif // __LOGGER_HXX
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