Logging

Functions

console_logger(Boolean flag)->Boolean

Print log messages on server console

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create_log_file(Charstring file)->Charstring

Create file in current log directory

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delete_log_file(Charstring file)->Charstring

Delete file in log directory

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file_stream(Charstring kind,Charstring file,Charstring option)->Stream

Stream tuples from log file in format kind (json or csv). option can be 'read', 'tail', or 'loop'

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file_stream(Charstring kind,Charstring file,Charstring option,Number pace)
           ->Stream

Playback log file in format kind (json or csv) at pace in seconds. option can be 'read', 'tail', or 'loop'

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file_stream(Charstring kind,Charstring file)->Stream

Stream tuples from log file in format kind (json or csv)

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log_directory(Charstring dir)->Charstring

Change current log directory to dir

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log_directory()->Charstring

The current log directory where log files are located

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log_filename(Charstring file)->Charstring

The full path of file in current log directory

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stream_logger(Stream s,Charstring kind,Charstring file,Charstring option)
             ->Stream

Write records in stream s into log file in format kind (json or csv). option can be: new if old log file is overwritten, or append if old log file is extended

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write_logfile(Charstring kind,Charstring file,Stream s)->Charstring

Write elements in stream s into new log file in format kind (json or csv)