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feat: TUI logs view (#3064)

Browse source 
* fix: add logs page to TUI

* chore: print panic traces to TUI logs

* chore: stop and start tui nicely and a bit of refactoring

* chore: rustfmt

* chore: typo

* chore: use sync_channel for logs

* chore: don't try to unwrap err on try_send log message

* chore: fix compiler/lint warnings

* fix: Only create logs channel if TUI is enabled and resovle other small review comments

* fix: wrap logs in TUI to fix window size

* fix: debug and trace logs appear white in the TUI logs
This commit is contained in:
Joseph Goulden 2019-11-13 14:45:59 +00:00 committed by Quentin Le Sceller
parent 38e6497919
commit 8ce2bfda58
15 changed files with 313 additions and 152 deletions
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3
config/src/comments.rs
View file

@ -114,8 +114,7 @@ fn comments() -> HashMap<String, String> {
retval.insert(
"run_tui".to_string(),
"
#whether to run the ncurses TUI. Ncurses must be installed and this
#will also disable logging to stdout
#whether to run the ncurses TUI (Ncurses must be installed)
"
.to_string(),
);

2
config/src/config.rs
View file

@ -30,7 +30,7 @@ use crate::core::global;
use crate::p2p;
use crate::servers::ServerConfig;
use crate::types::{ConfigError, ConfigMembers, GlobalConfig};
use crate::util::LoggingConfig;
use crate::util::logger::LoggingConfig;
/// The default file name to use when trying to derive
/// the node config file location

2
config/src/types.rs
View file

@ -19,7 +19,7 @@ use std::io;
use std::path::PathBuf;
use crate::servers::ServerConfig;
use crate::util::LoggingConfig;
use crate::util::logger::LoggingConfig;
/// Error type wrapping config errors.
#[derive(Debug)]

2
servers/src/common.rs
View file

@ -15,6 +15,6 @@
//! Modules common to all Grin server types
pub mod adapters;
pub mod hooks;
pub mod stats;
pub mod types;
pub mod hooks;

16
servers/src/grin/server.rs
View file

@ -20,7 +20,7 @@ use std::fs;
use std::fs::File;
use std::io::prelude::*;
use std::path::Path;
use std::sync::Arc;
use std::sync::{mpsc, Arc};
use std::{
thread::{self, JoinHandle},
time,
@ -52,6 +52,7 @@ use crate::p2p::types::PeerAddr;
use crate::pool;
use crate::util::file::get_first_line;
use crate::util::{RwLock, StopState};
use grin_util::logger::LogEntry;
/// Grin server holding internal structures.
pub struct Server {
@ -83,9 +84,13 @@ impl Server {
/// Instantiates and starts a new server. Optionally takes a callback
/// for the server to send an ARC copy of itself, to allow another process
/// to poll info about the server status
pub fn start<F>(config: ServerConfig, mut info_callback: F) -> Result<(), Error>
pub fn start<F>(
config: ServerConfig,
logs_rx: Option<mpsc::Receiver<LogEntry>>,
mut info_callback: F,
) -> Result<(), Error>
where
F: FnMut(Server),
F: FnMut(Server, Option<mpsc::Receiver<LogEntry>>),
{
let mining_config = config.stratum_mining_config.clone();
let enable_test_miner = config.run_test_miner;
@ -111,7 +116,7 @@ impl Server {
}
}
info_callback(serv);
info_callback(serv, logs_rx);
Ok(())
}
@ -555,9 +560,10 @@ impl Server {
}
}
// this call is blocking and makes sure all peers stop, however
// we can't be sure that we stoped a listener blocked on accept, so we don't join the p2p thread
// we can't be sure that we stopped a listener blocked on accept, so we don't join the p2p thread
self.p2p.stop();
let _ = self.lock_file.unlock();
warn!("Shutdown complete");
}
/// Pause the p2p server.

34
src/bin/cmd/server.rs
View file

@ -27,34 +27,40 @@ use crate::core::global;
use crate::p2p::{PeerAddr, Seeding};
use crate::servers;
use crate::tui::ui;
use grin_util::logger::LogEntry;
use std::sync::mpsc;
/// wrap below to allow UI to clean up on stop
pub fn start_server(config: servers::ServerConfig) {
start_server_tui(config);
pub fn start_server(config: servers::ServerConfig, logs_rx: Option<mpsc::Receiver<LogEntry>>) {
start_server_tui(config, logs_rx);
// Just kill process for now, otherwise the process
// hangs around until sigint because the API server
// currently has no shutdown facility
warn!("Shutting down...");
thread::sleep(Duration::from_millis(1000));
warn!("Shutdown complete.");
exit(0);
}
fn start_server_tui(config: servers::ServerConfig) {
fn start_server_tui(config: servers::ServerConfig, logs_rx: Option<mpsc::Receiver<LogEntry>>) {
// Run the UI controller.. here for now for simplicity to access
// everything it might need
if config.run_tui.unwrap_or(false) {
warn!("Starting GRIN in UI mode...");
servers::Server::start(config, |serv: servers::Server| {
let mut controller = ui::Controller::new().unwrap_or_else(|e| {
servers::Server::start(
config,
logs_rx,
|serv: servers::Server, logs_rx: Option<mpsc::Receiver<LogEntry>>| {
let mut controller = ui::Controller::new(logs_rx.unwrap()).unwrap_or_else(|e| {
panic!("Error loading UI controller: {}", e);
});
controller.run(serv);
})
},
)
.unwrap();
} else {
warn!("Starting GRIN w/o UI...");
servers::Server::start(config, |serv: servers::Server| {
servers::Server::start(
config,
logs_rx,
|serv: servers::Server, _: Option<mpsc::Receiver<LogEntry>>| {
let running = Arc::new(AtomicBool::new(true));
let r = running.clone();
ctrlc::set_handler(move || {
@ -66,7 +72,8 @@ fn start_server_tui(config: servers::ServerConfig) {
}
warn!("Received SIGINT (Ctrl+C) or SIGTERM (kill).");
serv.stop();
})
},
)
.unwrap();
}
}
@ -78,6 +85,7 @@ fn start_server_tui(config: servers::ServerConfig) {
pub fn server_command(
server_args: Option<&ArgMatches<'_>>,
mut global_config: GlobalConfig,
logs_rx: Option<mpsc::Receiver<LogEntry>>,
) -> i32 {
global::set_mining_mode(
global_config
@ -123,7 +131,7 @@ pub fn server_command(
if let Some(a) = server_args {
match a.subcommand() {
("run", _) => {
start_server(server_config);
start_server(server_config, logs_rx);
}
("", _) => {
println!("Subcommand required, use 'grin help server' for details");
@ -137,7 +145,7 @@ pub fn server_command(
}
}
} else {
start_server(server_config);
start_server(server_config, logs_rx);
}
0
}

30
src/bin/grin.rs
View file

@ -30,6 +30,8 @@ use grin_core as core;
use grin_p2p as p2p;
use grin_servers as servers;
use grin_util as util;
use grin_util::logger::LogEntry;
use std::sync::mpsc;
mod cmd;
pub mod tui;
@ -136,14 +138,17 @@ fn real_main() -> i32 {
}
}
if let Some(mut config) = node_config.clone() {
let mut l = config.members.as_mut().unwrap().logging.clone().unwrap();
let run_tui = config.members.as_mut().unwrap().server.run_tui;
if let Some(true) = run_tui {
l.log_to_stdout = false;
l.tui_running = Some(true);
}
init_logger(Some(l));
let mut config = node_config.clone().unwrap();
let mut logging_config = config.members.as_mut().unwrap().logging.clone().unwrap();
logging_config.tui_running = config.members.as_mut().unwrap().server.run_tui;
let (logs_tx, logs_rx) = if logging_config.tui_running.unwrap() {
let (logs_tx, logs_rx) = mpsc::sync_channel::<LogEntry>(200);
(Some(logs_tx), Some(logs_rx))
} else {
(None, None)
};
init_logger(Some(logging_config), logs_tx);
global::set_mining_mode(config.members.unwrap().server.clone().chain_type);
@ -154,8 +159,7 @@ fn real_main() -> i32 {
);
} else {
info!("Node configuration file not found, using default");
}
}
};
log_build_info();
@ -163,7 +167,7 @@ fn real_main() -> i32 {
match args.subcommand() {
// server commands and options
("server", Some(server_args)) => {
cmd::server_command(Some(server_args), node_config.unwrap())
cmd::server_command(Some(server_args), node_config.unwrap(), logs_rx)
}
// client commands and options
@ -177,11 +181,11 @@ fn real_main() -> i32 {
Ok(_) => 0,
Err(_) => 1,
}
},
}
// If nothing is specified, try to just use the config file instead
// this could possibly become the way to configure most things
// with most command line options being phased out
_ => cmd::server_command(None, node_config.unwrap()),
_ => cmd::server_command(None, node_config.unwrap(), logs_rx),
}
}

3
src/bin/tui/constants.rs
View file

@ -28,6 +28,9 @@ pub const SUBMENU_MINING_BUTTON: &str = "mining_submenu_button";
pub const TABLE_MINING_STATUS: &str = "mining_status_table";
pub const TABLE_MINING_DIFF_STATUS: &str = "mining_diff_status_table";
// Logs View
pub const VIEW_LOGS: &str = "logs_view";
// Mining View
pub const VIEW_VERSION: &str = "version_view";

104
src/bin/tui/logs.rs Normal file
View file

@ -0,0 +1,104 @@
// Copyright 2019 The Grin Developers
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use cursive::theme::{BaseColor, Color, ColorStyle};
use cursive::traits::Identifiable;
use cursive::view::View;
use cursive::views::BoxView;
use cursive::{Cursive, Printer};
use crate::tui::constants::VIEW_LOGS;
use cursive::utils::lines::spans::{LinesIterator, Row};
use cursive::utils::markup::StyledString;
use grin_util::logger::LogEntry;
use log::Level;
use std::collections::VecDeque;
pub struct TUILogsView;
impl TUILogsView {
pub fn create() -> Box<dyn View> {
let logs_view = BoxView::with_full_screen(LogBufferView::new(200).with_id("logs"));
Box::new(logs_view.with_id(VIEW_LOGS))
}
pub fn update(c: &mut Cursive, entry: LogEntry) {
c.call_on_id("logs", |t: &mut LogBufferView| {
t.update(entry);
});
}
}
struct LogBufferView {
buffer: VecDeque<LogEntry>,
}
impl LogBufferView {
fn new(size: usize) -> Self {
let mut buffer = VecDeque::new();
buffer.resize(
size,
LogEntry {
log: String::new(),
level: Level::Info,
},
);
LogBufferView { buffer }
}
fn update(&mut self, entry: LogEntry) {
self.buffer.push_front(entry);
self.buffer.pop_back();
}
fn color(level: Level) -> ColorStyle {
match level {
Level::Info => ColorStyle::new(
Color::Light(BaseColor::Green),
Color::Dark(BaseColor::Black),
),
Level::Warn => ColorStyle::new(
Color::Light(BaseColor::Yellow),
Color::Dark(BaseColor::Black),
),
Level::Error => {
ColorStyle::new(Color::Light(BaseColor::Red), Color::Dark(BaseColor::Black))
}
_ => ColorStyle::new(
Color::Light(BaseColor::White),
Color::Dark(BaseColor::Black),
),
}
}
}
impl View for LogBufferView {
fn draw(&self, printer: &Printer) {
let mut i = 0;
for entry in self.buffer.iter().take(printer.size.y) {
printer.with_color(LogBufferView::color(entry.level), |p| {
let log_message = StyledString::plain(&entry.log);
let mut rows: Vec<Row> = LinesIterator::new(&log_message, printer.size.x).collect();
rows.reverse(); // So stack traces are in the right order.
for row in rows {
for span in row.resolve(&log_message) {
p.print((0, p.size.y - 1 - i), span.content);
i += 1;
}
}
});
}
}
}

5
src/bin/tui/menu.rs
View file

@ -25,8 +25,8 @@ use cursive::views::{
use cursive::Cursive;
use crate::tui::constants::{
MAIN_MENU, ROOT_STACK, SUBMENU_MINING_BUTTON, VIEW_BASIC_STATUS, VIEW_MINING, VIEW_PEER_SYNC,
VIEW_VERSION,
MAIN_MENU, ROOT_STACK, SUBMENU_MINING_BUTTON, VIEW_BASIC_STATUS, VIEW_LOGS, VIEW_MINING,
VIEW_PEER_SYNC, VIEW_VERSION,
};
pub fn create() -> Box<dyn View> {
@ -38,6 +38,7 @@ pub fn create() -> Box<dyn View> {
.get_mut()
.add_item("Peers and Sync", VIEW_PEER_SYNC);
main_menu.get_mut().add_item("Mining", VIEW_MINING);
main_menu.get_mut().add_item("Logs", VIEW_LOGS);
main_menu.get_mut().add_item("Version Info", VIEW_VERSION);
let change_view = |s: &mut Cursive, v: &&str| {
if *v == "" {

1
src/bin/tui/mod.rs
View file

@ -17,6 +17,7 @@ use chrono;
use humansize;
//
mod constants;
mod logs;
mod menu;
mod mining;
mod peers;

31
src/bin/tui/ui.rs
View file

@ -34,13 +34,15 @@ use crate::built_info;
use crate::servers::Server;
use crate::tui::constants::ROOT_STACK;
use crate::tui::types::{TUIStatusListener, UIMessage};
use crate::tui::{menu, mining, peers, status, version};
use crate::tui::{logs, menu, mining, peers, status, version};
use grin_util::logger::LogEntry;
pub struct UI {
cursive: Cursive,
ui_rx: mpsc::Receiver<UIMessage>,
ui_tx: mpsc::Sender<UIMessage>,
controller_tx: mpsc::Sender<ControllerMessage>,
logs_rx: mpsc::Receiver<LogEntry>,
}
fn modify_theme(theme: &mut Theme) {
@ -57,19 +59,25 @@ fn modify_theme(theme: &mut Theme) {
impl UI {
/// Create a new UI
pub fn new(controller_tx: mpsc::Sender<ControllerMessage>) -> UI {
pub fn new(
controller_tx: mpsc::Sender<ControllerMessage>,
logs_rx: mpsc::Receiver<LogEntry>,
) -> UI {
let (ui_tx, ui_rx) = mpsc::channel::<UIMessage>();
let mut grin_ui = UI {
cursive: Cursive::default(),
ui_tx: ui_tx,
ui_rx: ui_rx,
controller_tx: controller_tx,
ui_tx,
ui_rx,
controller_tx,
logs_rx,
};
// Create UI objects, etc
let status_view = status::TUIStatusView::create();
let mining_view = mining::TUIMiningView::create();
let peer_view = peers::TUIPeerView::create();
let logs_view = logs::TUILogsView::create();
let version_view = version::TUIVersionView::create();
let main_menu = menu::create();
@ -78,6 +86,7 @@ impl UI {
.layer(version_view)
.layer(mining_view)
.layer(peer_view)
.layer(logs_view)
.layer(status_view)
.with_id(ROOT_STACK)
.full_height();
@ -128,6 +137,10 @@ impl UI {
return false;
}
while let Some(message) = self.logs_rx.try_iter().next() {
logs::TUILogsView::update(&mut self.cursive, message);
}
// Process any pending UI messages
while let Some(message) = self.ui_rx.try_iter().next() {
match message {
@ -162,13 +175,14 @@ pub enum ControllerMessage {
impl Controller {
/// Create a new controller
pub fn new() -> Result<Controller, String> {
pub fn new(logs_rx: mpsc::Receiver<LogEntry>) -> Result<Controller, String> {
let (tx, rx) = mpsc::channel::<ControllerMessage>();
Ok(Controller {
rx: rx,
ui: UI::new(tx),
rx,
ui: UI::new(tx, logs_rx),
})
}
/// Run the controller
pub fn run(&mut self, server: Server) {
let stat_update_interval = 1;
@ -177,6 +191,7 @@ impl Controller {
while let Some(message) = self.rx.try_iter().next() {
match message {
ControllerMessage::Shutdown => {
warn!("Shutdown in progress, please wait");
self.ui.stop();
server.stop();
return;

2
util/src/lib.rs
View file

@ -43,7 +43,7 @@ pub mod secp_static;
pub use crate::secp_static::static_secp_instance;
pub mod types;
pub use crate::types::{LogLevel, LoggingConfig, ZeroingString};
pub use crate::types::ZeroingString;
pub mod macros;

127
util/src/logger.rs
View file

@ -18,9 +18,7 @@ use std::ops::Deref;
use backtrace::Backtrace;
use std::{panic, thread};
use crate::types::{self, LogLevel, LoggingConfig};
use log::{LevelFilter, Record};
use log::{Level, Record};
use log4rs;
use log4rs::append::console::ConsoleAppender;
use log4rs::append::file::FileAppender;
@ -32,17 +30,12 @@ use log4rs::append::rolling_file::{
use log4rs::append::Append;
use log4rs::config::{Appender, Config, Root};
use log4rs::encode::pattern::PatternEncoder;
use log4rs::encode::writer::simple::SimpleWriter;
use log4rs::encode::Encode;
use log4rs::filter::{threshold::ThresholdFilter, Filter, Response};
fn convert_log_level(in_level: &LogLevel) -> LevelFilter {
match *in_level {
LogLevel::Info => LevelFilter::Info,
LogLevel::Warning => LevelFilter::Warn,
LogLevel::Debug => LevelFilter::Debug,
LogLevel::Trace => LevelFilter::Trace,
LogLevel::Error => LevelFilter::Error,
}
}
use std::error::Error;
use std::sync::mpsc;
use std::sync::mpsc::SyncSender;
lazy_static! {
/// Flag to observe whether logging was explicitly initialised (don't output otherwise)
@ -56,6 +49,57 @@ lazy_static! {
const LOGGING_PATTERN: &str = "{d(%Y%m%d %H:%M:%S%.3f)} {h({l})} {M} - {m}{n}";
/// 32 log files to rotate over by default
const DEFAULT_ROTATE_LOG_FILES: u32 = 32 as u32;
/// Log Entry
#[derive(Clone, Serialize, Debug)]
pub struct LogEntry {
/// The log message
pub log: String,
/// The log levelO
pub level: Level,
}
/// Logging config
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
pub struct LoggingConfig {
/// whether to log to stdout
pub log_to_stdout: bool,
/// logging level for stdout
pub stdout_log_level: Level,
/// whether to log to file
pub log_to_file: bool,
/// log file level
pub file_log_level: Level,
/// Log file path
pub log_file_path: String,
/// Whether to append to log or replace
pub log_file_append: bool,
/// Size of the log in bytes to rotate over (optional)
pub log_max_size: Option<u64>,
/// Number of the log files to rotate over (optional)
pub log_max_files: Option<u32>,
/// Whether the tui is running (optional)
pub tui_running: Option<bool>,
}
impl Default for LoggingConfig {
fn default() -> LoggingConfig {
LoggingConfig {
log_to_stdout: true,
stdout_log_level: Level::Warn,
log_to_file: true,
file_log_level: Level::Info,
log_file_path: String::from("grin.log"),
log_file_append: true,
log_max_size: Some(1024 * 1024 * 16), // 16 megabytes default
log_max_files: Some(DEFAULT_ROTATE_LOG_FILES),
tui_running: None,
}
}
}
/// This filter is rejecting messages that doesn't start with "grin"
/// in order to save log space for only Grin-related records
#[derive(Debug)]
@ -73,8 +117,32 @@ impl Filter for GrinFilter {
}
}
#[derive(Debug)]
struct ChannelAppender {
output: Mutex<SyncSender<LogEntry>>,
encoder: Box<dyn Encode>,
}
impl Append for ChannelAppender {
fn append(&self, record: &Record) -> Result<(), Box<dyn Error + Sync + Send>> {
let mut writer = SimpleWriter(Vec::new());
self.encoder.encode(&mut writer, record)?;
let log = String::from_utf8_lossy(writer.0.as_slice()).to_string();
let _ = self.output.lock().try_send(LogEntry {
log,
level: record.level(),
});
Ok(())
}
fn flush(&self) {}
}
/// Initialize the logger with the given configuration
pub fn init_logger(config: Option<LoggingConfig>) {
pub fn init_logger(config: Option<LoggingConfig>, logs_tx: Option<mpsc::SyncSender<LogEntry>>) {
if let Some(c) = config {
let tui_running = c.tui_running.unwrap_or(false);
if tui_running {
@ -86,8 +154,8 @@ pub fn init_logger(config: Option<LoggingConfig>) {
let mut config_ref = LOGGING_CONFIG.lock();
*config_ref = c.clone();
let level_stdout = convert_log_level(&c.stdout_log_level);
let level_file = convert_log_level(&c.file_log_level);
let level_stdout = c.stdout_log_level.to_level_filter();
let level_file = c.file_log_level.to_level_filter();
// Determine minimum logging level for Root logger
let level_minimum = if level_stdout > level_file {
@ -105,15 +173,26 @@ pub fn init_logger(config: Option<LoggingConfig>) {
let mut appenders = vec![];
if c.log_to_stdout && !tui_running {
let filter = Box::new(ThresholdFilter::new(level_stdout));
if tui_running {
let channel_appender = ChannelAppender {
encoder: Box::new(PatternEncoder::new(&LOGGING_PATTERN)),
output: Mutex::new(logs_tx.unwrap()),
};
appenders.push(
Appender::builder()
.filter(filter)
.filter(Box::new(ThresholdFilter::new(level_stdout)))
.filter(Box::new(GrinFilter))
.build("tui", Box::new(channel_appender)),
);
root = root.appender("tui");
} else if c.log_to_stdout {
appenders.push(
Appender::builder()
.filter(Box::new(ThresholdFilter::new(level_stdout)))
.filter(Box::new(GrinFilter))
.build("stdout", Box::new(stdout)),
);
root = root.appender("stdout");
}
@ -123,9 +202,7 @@ pub fn init_logger(config: Option<LoggingConfig>) {
let filter = Box::new(ThresholdFilter::new(level_file));
let file: Box<dyn Append> = {
if let Some(size) = c.log_max_size {
let count = c
.log_max_files
.unwrap_or_else(|| types::DEFAULT_ROTATE_LOG_FILES);
let count = c.log_max_files.unwrap_or_else(|| DEFAULT_ROTATE_LOG_FILES);
let roller = FixedWindowRoller::builder()
.build(&format!("{}.{{}}.gz", c.log_file_path), count)
.unwrap();
@ -188,13 +265,13 @@ pub fn init_test_logger() {
}
let mut logger = LoggingConfig::default();
logger.log_to_file = false;
logger.stdout_log_level = LogLevel::Debug;
logger.stdout_log_level = Level::Debug;
// Save current logging configuration
let mut config_ref = LOGGING_CONFIG.lock();
*config_ref = logger;
let level_stdout = convert_log_level(&config_ref.stdout_log_level);
let level_stdout = config_ref.stdout_log_level.to_level_filter();
let level_minimum = level_stdout; // minimum logging level for Root logger
// Start logger

59
util/src/types.rs
View file

@ -12,64 +12,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
//! Logging configuration types
/// Log level types
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
pub enum LogLevel {
/// Error
Error,
/// Warning
Warning,
/// Info
Info,
/// Debug
Debug,
/// Trace
Trace,
}
/// 32 log files to rotate over by default
pub const DEFAULT_ROTATE_LOG_FILES: u32 = 32 as u32;
/// Logging config
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
pub struct LoggingConfig {
/// whether to log to stdout
pub log_to_stdout: bool,
/// logging level for stdout
pub stdout_log_level: LogLevel,
/// whether to log to file
pub log_to_file: bool,
/// log file level
pub file_log_level: LogLevel,
/// Log file path
pub log_file_path: String,
/// Whether to append to log or replace
pub log_file_append: bool,
/// Size of the log in bytes to rotate over (optional)
pub log_max_size: Option<u64>,
/// Number of the log files to rotate over (optional)
pub log_max_files: Option<u32>,
/// Whether the tui is running (optional)
pub tui_running: Option<bool>,
}
impl Default for LoggingConfig {
fn default() -> LoggingConfig {
LoggingConfig {
log_to_stdout: true,
stdout_log_level: LogLevel::Warning,
log_to_file: true,
file_log_level: LogLevel::Info,
log_file_path: String::from("grin.log"),
log_file_append: true,
log_max_size: Some(1024 * 1024 * 16), // 16 megabytes default
log_max_files: Some(DEFAULT_ROTATE_LOG_FILES),
tui_running: None,
}
}
}
//! Zeroing String
use std::ops::Deref;
use zeroize::Zeroize;