[milestone/testnet3] Handle SIGINT and SIGTERM (#1182)

* Handle SIGINT and SIGTERM
This commit is contained in:
mimblewimble-robot 2018-06-21 05:16:02 +02:00 committed by Quentin Le Sceller
parent 0967a5302b
commit bb95d303f5
4 changed files with 92 additions and 40 deletions

98
Cargo.lock generated
View file

@ -54,7 +54,7 @@ name = "atty"
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@ -66,7 +66,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@ -77,7 +77,7 @@ version = "0.1.16"
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@ -1040,7 +1050,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)" = "b685088df2b950fccadf07a7187c8ef846a959c142338a48f9dc0b94517eb5f1"
"checksum libgit2-sys 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "9cc8a747e1d0254ef5eb71330fcb8fb25b8b8f8dc1981379b7bb06d6f006672e"
"checksum libloading 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "0a020ac941774eb37e9d13d418c37b522e76899bfc4e7b1a600d529a53f83a66"
"checksum libloading 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "fd38073de8f7965d0c17d30546d4bb6da311ab428d1c7a3fc71dff7f9d4979b9"
@ -2509,6 +2532,7 @@ dependencies = [
"checksum msdos_time 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "65ba9d75bcea84e07812618fedf284a64776c2f2ea0cad6bca7f69739695a958"
"checksum ncurses 5.91.0 (registry+https://github.com/rust-lang/crates.io-index)" = "431cc11a5225e21cb85ea479858ac2e0b3c7a67c9506016cd8818de15dcdc8f1"
"checksum net2 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)" = "9044faf1413a1057267be51b5afba8eb1090bd2231c693664aa1db716fe1eae0"
"checksum nix 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d37e713a259ff641624b6cb20e3b12b2952313ba36b6823c0f16e6cfd9e5de17"
"checksum nodrop 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "9a2228dca57108069a5262f2ed8bd2e82496d2e074a06d1ccc7ce1687b6ae0a2"
"checksum nom 3.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05aec50c70fd288702bcd93284a8444607f3292dbdf2a30de5ea5dcdbe72287b"
"checksum num 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "4703ad64153382334aa8db57c637364c322d3372e097840c72000dabdcf6156e"

View file

@ -17,6 +17,7 @@ path = "src/bin/grin.rs"
blake2-rfc = "0.2"
chrono = "0.4"
clap = "2.31"
ctrlc = { version = "3.1", features = ["termination"] }
daemonize = "0.3"
serde = "1"
serde_json = "1"

View file

@ -17,6 +17,7 @@
extern crate blake2_rfc as blake2;
#[macro_use]
extern crate clap;
extern crate ctrlc;
extern crate cursive;
extern crate daemonize;
extern crate serde;
@ -39,6 +40,7 @@ pub mod tui;
use std::env::current_dir;
use std::process::exit;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::Arc;
use std::thread;
use std::time::Duration;
@ -103,17 +105,33 @@ fn start_server_tui(config: servers::ServerConfig) {
if config.run_tui.is_some() && config.run_tui.unwrap() {
println!("Starting GRIN in UI mode...");
servers::Server::start(config, |serv: Arc<servers::Server>| {
let running = Arc::new(AtomicBool::new(true));
let r = running.clone();
let _ = thread::Builder::new()
.name("ui".to_string())
.spawn(move || {
let mut controller = ui::Controller::new().unwrap_or_else(|e| {
panic!("Error loading UI controller: {}", e);
});
controller.run(serv.clone());
controller.run(serv.clone(), r);
});
ctrlc::set_handler(move || {
running.store(false, Ordering::SeqCst);
}).expect("Error setting Ctrl-C handler");
}).unwrap();
} else {
servers::Server::start(config, |_| {}).unwrap();
servers::Server::start(config, |serv: Arc<servers::Server>| {
let running = Arc::new(AtomicBool::new(true));
let r = running.clone();
ctrlc::set_handler(move || {
r.store(false, Ordering::SeqCst);
}).expect("Error setting Ctrl-C handler");
while running.load(Ordering::SeqCst) {
thread::sleep(Duration::from_secs(1));
}
warn!(LOGGER, "Received SIGINT (Ctrl+C).");
serv.stop();
}).unwrap();
}
}

View file

@ -15,6 +15,7 @@
//! Basic TUI to better output the overall system status and status
//! of various subsystems
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::{mpsc, Arc};
use time;
@ -33,6 +34,7 @@ use servers::Server;
use tui::constants::ROOT_STACK;
use tui::types::{TUIStatusListener, UIMessage};
use tui::{menu, mining, peers, status, version};
use util::LOGGER;
use built_info;
@ -161,15 +163,21 @@ impl Controller {
})
}
/// Run the controller
pub fn run(&mut self, server: Arc<Server>) {
pub fn run(&mut self, server: Arc<Server>, running: Arc<AtomicBool>) {
let stat_update_interval = 1;
let mut next_stat_update = time::get_time().sec + stat_update_interval;
while self.ui.step() {
if !running.load(Ordering::SeqCst) {
warn!(LOGGER, "Received SIGINT (Ctrl+C).");
server.stop();
self.ui.stop();
}
while let Some(message) = self.rx.try_iter().next() {
match message {
ControllerMessage::Shutdown => {
server.stop();
self.ui.stop();
running.store(false, Ordering::SeqCst)
/*self.ui
.ui_tx
.send(UIMessage::UpdateOutput("update".to_string()))
@ -177,6 +185,7 @@ impl Controller {
}
}
}
if time::get_time().sec > next_stat_update {
let stats = server.get_server_stats().unwrap();
self.ui.ui_tx.send(UIMessage::UpdateStatus(stats)).unwrap();