Struct LogHandler 

pub struct LogHandler {
    pub callback: Arc<dyn Fn(LogSeverity, LogEvent, i64, &str) + Send + Sync + 'static>,
    pub platform_severities: LogSeverityFlag,
}

A log callback, for set_log_callback().

Runs on the thread that logged the message, or on a background thread for the severities that set_log_async_severity_mask() selects. The callback can’t call the library.

See mln_log_handler in the C API reference.

Fields

callback: Arc<dyn Fn(LogSeverity, LogEvent, i64, &str) + Send + Sync + 'static>

The callback receives (severity, event, code, message).

platform_severities: LogSeverityFlag

The severities that also go to the platform’s log, as they do without a callback. 0 sends none. A message of these severities goes to the platform’s log even when the handler’s queue can’t accept it.

Implementations

impl LogHandler

pub fn new<F>(callback: F) -> Self

where F: Fn(LogSeverity, LogEvent, i64, &str) + Send + Sync + 'static,

Trait Implementations

impl Clone for LogHandler

fn clone(&self) -> LogHandler

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for LogHandler

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.