cm_logger/
scoped.rs

1// Copyright 2021 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use diagnostics_log::{PublishError, Publisher, PublisherOptions};
6use fidl_fuchsia_logger as flogger;
7use thiserror::Error;
8
9#[derive(Debug, Error)]
10pub enum ScopedLoggerError {
11    #[error("could not create publisher")]
12    PublishError(#[source] PublishError),
13}
14
15pub struct ScopedLogger {
16    publisher: Publisher,
17}
18
19impl ScopedLogger {
20    pub fn create(logsink: flogger::LogSinkProxy) -> Result<Self, ScopedLoggerError> {
21        let publisher = Publisher::new(
22            PublisherOptions::default().wait_for_initial_interest(false).use_log_sink(logsink),
23        )
24        .map_err(ScopedLoggerError::PublishError)?;
25        Ok(Self { publisher })
26    }
27}
28
29impl log::Log for ScopedLogger {
30    #[inline]
31    fn enabled(&self, metadata: &log::Metadata<'_>) -> bool {
32        self.publisher.enabled(metadata)
33    }
34
35    #[inline]
36    fn log(&self, record: &log::Record<'_>) {
37        self.publisher.log(record);
38    }
39
40    #[inline]
41    fn flush(&self) {
42        self.publisher.flush();
43    }
44}
cm_logger/scoped.rs

cm_logger/
scoped.rs
