enableFileLogging overloads

Synopses

Declared in <ball_fileobserver.h>

Enable logging of all records published to this file observer to a file whose name is derived from the specified logFilenamePattern. Return 0 on success, a positive value if file logging is already enabled (with no effect), and a negative value otherwise. The basename of logFilenamePattern may contain %‐escape sequences that are interpreted as follows: ` %Y ‐ current year (4 digits with leading zeros) %M ‐ current month (2 digits with leading zeros) %D ‐ current day (2 digits with leading zeros) %h ‐ current hour (2 digits with leading zeros) %m ‐ current minute (2 digits with leading zeros) %s ‐ current second (2 digits with leading zeros) %T ‐ current datetime, equivalent to "%Y%M%D_%h%m%s" %p ‐ process ID ` Each time a log file is opened by this file observer (upon a successful call to this method and following each log file rotation), the name of the new log file is derived from logFilenamePattern by interpreting the above recognized %‐escape sequences. If isPublishInLocalTimeEnabled returns true, the %‐escape sequences related to time will be substituted with local time values, and UTC time values otherwise. See {Log Filename Patterns}.

int
enableFileLogging(char const* logFilenamePattern);

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Enable logging of all records published to this file observer to a file whose name is derived from the specified logFilenamePattern and append a timestamp to the log filename if the specified appendTimestampFlag is true. Return 0 on success, a positive value if file logging is already enabled (with no effect), and a negative value otherwise. If the appendTimestampFlag is true and logFilenamePattern does not contain any %‐escape sequences, this method behaves as if ".%T" is appended to logFilenamePattern.

int
enableFileLogging(
    char const* logFilenamePattern,
    bool appendTimestampFlag);

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