mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-26 16:57:58 +00:00
Seun Lanlege
57 lines
1.8 KiB
Rust
57 lines
1.8 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2020-2021 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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use futures::{Sink, SinkExt};
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use std::fmt;
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use std::io::Write;
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use log::LevelFilter;
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/// Base db path gotten from env
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pub fn base_path() -> Option<String> {
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std::env::var("DB_BASE_PATH").ok()
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}
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/// Builds the global logger.
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pub fn logger<S>(
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log_targets: Vec<(&'static str, LevelFilter)>,
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executor: tokio::runtime::Handle,
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log_sink: S,
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)
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where
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S: Sink<String> + Clone + Unpin + Send + Sync + 'static,
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S::Error: Send + Sync + fmt::Debug,
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{
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let mut builder = env_logger::builder();
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builder.format(move |buf: &mut env_logger::fmt::Formatter, record: &log::Record| {
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let entry = format!("{} {} {}", record.level(), record.target(), record.args());
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let res = writeln!(buf, "{}", entry);
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let mut log_sink_clone = log_sink.clone();
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let _ = executor.spawn(async move {
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log_sink_clone.send(entry).await.expect("log_stream is dropped");
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});
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res
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});
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builder.write_style(env_logger::WriteStyle::Always);
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for (module, level) in log_targets {
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builder.filter_module(module, level);
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}
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let _ = builder.is_test(true).try_init();
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}
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