roo_monitoring::LogFileReader Class Reference

Reader for a single log file. More...

#include <log.h>

Public Member Functions
	LogFileReader (roo_io::Mount &mount)
	Creates a reader over the specified mount.
bool	open (const char *path, int64_t checkpoint)
	Opens the log file at path and seeks to checkpoint.
bool	is_open () const
	Returns true if a file is currently open.
void	close ()
	Closes the reader.
int64_t	checkpoint () const
	Returns the current checkpoint position.
bool	next (int64_t *timestamp, std::vector< LogSample > *data, bool is_hot)
	Reads the next entry from the file.

Detailed Description

Reader for a single log file.

Definition at line 67 of file log.h.

Constructor & Destructor Documentation

LogFileReader()

roo_monitoring::LogFileReader::LogFileReader ( roo_io::Mount &  mount )

inline

Creates a reader over the specified mount.

Definition at line 70 of file log.h.

Member Function Documentation

checkpoint()

int64_t roo_monitoring::LogFileReader::checkpoint ( ) const

inline

Returns the current checkpoint position.

Definition at line 82 of file log.h.

Referenced by open(), and roo_monitoring::LogReader::tell().

close()

void roo_monitoring::LogFileReader::close ( )

inline

Closes the reader.

Definition at line 79 of file log.h.

Referenced by roo_monitoring::LogReader::nextSample().

is_open()

bool roo_monitoring::LogFileReader::is_open ( ) const

inline

Returns true if a file is currently open.

Definition at line 76 of file log.h.

Referenced by roo_monitoring::LogReader::nextSample().

next()

bool roo_monitoring::LogFileReader::next	(	int64_t *	timestamp,
		std::vector< LogSample > *	data,
		bool	is_hot
	)

Reads the next entry from the file.

Definition at line 45 of file log.cpp.

References roo_monitoring::CODE_DATUM, and roo_monitoring::CODE_TIMESTAMP.

Referenced by roo_monitoring::LogReader::nextSample().

open()

bool roo_monitoring::LogFileReader::open	(	const char *	path,
		int64_t	checkpoint
	)

Opens the log file at path and seeks to checkpoint.

Definition at line 23 of file log.cpp.

References checkpoint().

Referenced by roo_monitoring::LogReader::seek().

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The documentation for this class was generated from the following files:

• temp_repos/roo_monitoring/src/roo_monitoring/log.h
• temp_repos/roo_monitoring/src/roo_monitoring/log.cpp