168 lines
4.9 KiB
Rust
168 lines
4.9 KiB
Rust
#![allow(clippy::arithmetic_side_effects)]
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pub use solana_test_validator as test_validator;
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use {
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console::style,
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fd_lock::{RwLock, RwLockWriteGuard},
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indicatif::{ProgressDrawTarget, ProgressStyle},
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std::{
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borrow::Cow,
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env,
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fmt::Display,
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fs::{File, OpenOptions},
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path::Path,
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process::exit,
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thread::JoinHandle,
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time::Duration,
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},
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};
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pub mod admin_rpc_service;
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pub mod bootstrap;
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pub mod cli;
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pub mod dashboard;
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#[cfg(unix)]
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fn redirect_stderr(filename: &str) {
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use std::os::unix::io::AsRawFd;
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match OpenOptions::new()
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.write(true)
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.create(true)
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.append(true)
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.open(filename)
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{
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Ok(file) => unsafe {
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libc::dup2(file.as_raw_fd(), libc::STDERR_FILENO);
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},
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Err(err) => eprintln!("Unable to open {filename}: {err}"),
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}
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}
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// Redirect stderr to a file with support for logrotate by sending a SIGUSR1 to the process.
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//
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// Upon success, future `log` macros and `eprintln!()` can be found in the specified log file.
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pub fn redirect_stderr_to_file(logfile: Option<String>) -> Option<JoinHandle<()>> {
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// Default to RUST_BACKTRACE=1 for more informative validator logs
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if env::var_os("RUST_BACKTRACE").is_none() {
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env::set_var("RUST_BACKTRACE", "1")
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}
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let filter = "solana=info";
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match logfile {
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None => {
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solana_logger::setup_with_default(filter);
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None
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}
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Some(logfile) => {
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#[cfg(unix)]
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{
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use log::info;
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let mut signals =
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signal_hook::iterator::Signals::new([signal_hook::consts::SIGUSR1])
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.unwrap_or_else(|err| {
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eprintln!("Unable to register SIGUSR1 handler: {err:?}");
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exit(1);
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});
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solana_logger::setup_with_default(filter);
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redirect_stderr(&logfile);
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Some(
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std::thread::Builder::new()
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.name("solSigUsr1".into())
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.spawn(move || {
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for signal in signals.forever() {
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info!(
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"received SIGUSR1 ({}), reopening log file: {:?}",
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signal, logfile
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);
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redirect_stderr(&logfile);
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}
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})
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.unwrap(),
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)
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}
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#[cfg(not(unix))]
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{
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println!("logrotate is not supported on this platform");
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solana_logger::setup_file_with_default(&logfile, filter);
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None
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}
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}
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}
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}
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pub fn format_name_value(name: &str, value: &str) -> String {
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format!("{} {}", style(name).bold(), value)
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}
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/// Pretty print a "name value"
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pub fn println_name_value(name: &str, value: &str) {
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println!("{}", format_name_value(name, value));
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}
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/// Creates a new process bar for processing that will take an unknown amount of time
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pub fn new_spinner_progress_bar() -> ProgressBar {
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let progress_bar = indicatif::ProgressBar::new(42);
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progress_bar.set_draw_target(ProgressDrawTarget::stdout());
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progress_bar.set_style(
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ProgressStyle::default_spinner()
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.template("{spinner:.green} {wide_msg}")
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.expect("ProgresStyle::template direct input to be correct"),
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);
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progress_bar.enable_steady_tick(Duration::from_millis(100));
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ProgressBar {
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progress_bar,
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is_term: console::Term::stdout().is_term(),
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}
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}
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pub struct ProgressBar {
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progress_bar: indicatif::ProgressBar,
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is_term: bool,
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}
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impl ProgressBar {
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pub fn set_message<T: Into<Cow<'static, str>> + Display>(&self, msg: T) {
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if self.is_term {
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self.progress_bar.set_message(msg);
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} else {
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println!("{msg}");
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}
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}
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pub fn println<I: AsRef<str>>(&self, msg: I) {
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self.progress_bar.println(msg);
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}
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pub fn abandon_with_message<T: Into<Cow<'static, str>> + Display>(&self, msg: T) {
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if self.is_term {
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self.progress_bar.abandon_with_message(msg);
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} else {
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println!("{msg}");
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}
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}
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}
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pub fn ledger_lockfile(ledger_path: &Path) -> RwLock<File> {
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let lockfile = ledger_path.join("ledger.lock");
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fd_lock::RwLock::new(
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OpenOptions::new()
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.write(true)
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.create(true)
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.open(lockfile)
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.unwrap(),
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)
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}
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pub fn lock_ledger<'lock>(
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ledger_path: &Path,
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ledger_lockfile: &'lock mut RwLock<File>,
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) -> RwLockWriteGuard<'lock, File> {
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ledger_lockfile.try_write().unwrap_or_else(|_| {
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println!(
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"Error: Unable to lock {} directory. Check if another validator is running",
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ledger_path.display()
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);
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exit(1);
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})
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}
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