270 lines
8.1 KiB
Rust
270 lines
8.1 KiB
Rust
// Copyright 2015-2019 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum 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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// Parity Ethereum 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 Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
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//! Ethcore client application.
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#![warn(missing_docs)]
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extern crate ansi_term;
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extern crate docopt;
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#[macro_use]
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extern crate clap;
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extern crate atty;
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extern crate dir;
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extern crate futures;
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extern crate jsonrpc_core;
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extern crate num_cpus;
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extern crate number_prefix;
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extern crate parking_lot;
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extern crate regex;
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extern crate rlp;
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extern crate rpassword;
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extern crate rustc_hex;
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extern crate semver;
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extern crate serde;
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extern crate serde_json;
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#[macro_use]
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extern crate serde_derive;
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extern crate toml;
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extern crate blooms_db;
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extern crate cli_signer;
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extern crate common_types as types;
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extern crate ethcore;
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extern crate ethcore_call_contract as call_contract;
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extern crate ethcore_db;
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extern crate ethcore_io as io;
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extern crate ethcore_light as light;
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extern crate ethcore_logger;
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extern crate ethcore_miner as miner;
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extern crate ethcore_network as network;
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extern crate ethcore_private_tx;
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extern crate ethcore_service;
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extern crate ethcore_sync as sync;
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extern crate ethereum_types;
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extern crate ethkey;
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extern crate ethstore;
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extern crate journaldb;
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extern crate keccak_hash as hash;
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extern crate kvdb;
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extern crate node_filter;
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extern crate parity_bytes as bytes;
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extern crate parity_hash_fetch as hash_fetch;
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extern crate parity_ipfs_api;
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extern crate parity_local_store as local_store;
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extern crate parity_path as path;
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extern crate parity_rpc;
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extern crate parity_runtime;
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extern crate parity_updater as updater;
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extern crate parity_version;
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extern crate parity_whisper;
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extern crate registrar;
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#[macro_use]
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extern crate log as rlog;
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#[cfg(feature = "ethcore-accounts")]
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extern crate ethcore_accounts as accounts;
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#[cfg(feature = "secretstore")]
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extern crate ethcore_secretstore;
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#[cfg(test)]
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#[macro_use]
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extern crate pretty_assertions;
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#[cfg(test)]
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extern crate tempdir;
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#[cfg(test)]
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#[macro_use]
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extern crate lazy_static;
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mod account;
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mod account_utils;
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mod blockchain;
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mod cache;
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mod cli;
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mod configuration;
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mod db;
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mod export_hardcoded_sync;
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mod helpers;
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mod informant;
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mod ipfs;
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mod light_helpers;
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mod modules;
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mod params;
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mod presale;
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mod rpc;
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mod rpc_apis;
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mod run;
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mod secretstore;
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mod signer;
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mod snapshot;
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mod upgrade;
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mod user_defaults;
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mod whisper;
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use std::{fs::File, io::BufReader, sync::Arc};
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use cli::Args;
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use configuration::{Cmd, Execute};
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use hash::keccak_buffer;
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#[cfg(feature = "memory_profiling")]
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use std::alloc::System;
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pub use self::{configuration::Configuration, run::RunningClient};
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pub use ethcore_logger::{setup_log, Config as LoggerConfig, RotatingLogger};
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pub use parity_rpc::PubSubSession;
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#[cfg(feature = "memory_profiling")]
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#[global_allocator]
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static A: System = System;
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fn print_hash_of(maybe_file: Option<String>) -> Result<String, String> {
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if let Some(file) = maybe_file {
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let mut f =
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BufReader::new(File::open(&file).map_err(|_| "Unable to open file".to_owned())?);
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let hash = keccak_buffer(&mut f).map_err(|_| "Unable to read from file".to_owned())?;
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Ok(format!("{:x}", hash))
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} else {
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Err("Streaming from standard input not yet supported. Specify a file.".to_owned())
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}
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}
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#[cfg(feature = "deadlock_detection")]
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fn run_deadlock_detection_thread() {
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use ansi_term::Style;
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use parking_lot::deadlock;
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use std::{thread, time::Duration};
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info!("Starting deadlock detection thread.");
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// Create a background thread which checks for deadlocks every 10s
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thread::spawn(move || loop {
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thread::sleep(Duration::from_secs(10));
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let deadlocks = deadlock::check_deadlock();
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if deadlocks.is_empty() {
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continue;
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}
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warn!(
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"{} {} detected",
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deadlocks.len(),
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Style::new().bold().paint("deadlock(s)")
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);
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for (i, threads) in deadlocks.iter().enumerate() {
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warn!("{} #{}", Style::new().bold().paint("Deadlock"), i);
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for t in threads {
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warn!("Thread Id {:#?}", t.thread_id());
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warn!("{:#?}", t.backtrace());
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}
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}
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});
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}
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/// Action that Parity performed when running `start`.
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pub enum ExecutionAction {
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/// The execution didn't require starting a node, and thus has finished.
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/// Contains the string to print on stdout, if any.
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Instant(Option<String>),
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/// The client has started running and must be shut down manually by calling `shutdown`.
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///
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/// If you don't call `shutdown()`, execution will continue in the background.
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Running(RunningClient),
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}
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fn execute<Cr, Rr>(
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command: Execute,
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logger: Arc<RotatingLogger>,
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on_client_rq: Cr,
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on_updater_rq: Rr,
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) -> Result<ExecutionAction, String>
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where
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Cr: Fn(String) + 'static + Send,
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Rr: Fn() + 'static + Send,
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{
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#[cfg(feature = "deadlock_detection")]
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run_deadlock_detection_thread();
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match command.cmd {
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Cmd::Run(run_cmd) => {
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let outcome = run::execute(run_cmd, logger, on_client_rq, on_updater_rq)?;
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Ok(ExecutionAction::Running(outcome))
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}
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Cmd::Version => Ok(ExecutionAction::Instant(Some(Args::print_version()))),
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Cmd::Hash(maybe_file) => {
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print_hash_of(maybe_file).map(|s| ExecutionAction::Instant(Some(s)))
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}
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Cmd::Account(account_cmd) => {
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account::execute(account_cmd).map(|s| ExecutionAction::Instant(Some(s)))
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}
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Cmd::ImportPresaleWallet(presale_cmd) => {
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presale::execute(presale_cmd).map(|s| ExecutionAction::Instant(Some(s)))
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}
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Cmd::Blockchain(blockchain_cmd) => {
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blockchain::execute(blockchain_cmd).map(|_| ExecutionAction::Instant(None))
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}
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Cmd::SignerToken(ws_conf, logger_config) => {
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signer::execute(ws_conf, logger_config).map(|s| ExecutionAction::Instant(Some(s)))
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}
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Cmd::SignerSign {
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id,
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pwfile,
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port,
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authfile,
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} => cli_signer::signer_sign(id, pwfile, port, authfile)
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.map(|s| ExecutionAction::Instant(Some(s))),
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Cmd::SignerList { port, authfile } => {
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cli_signer::signer_list(port, authfile).map(|s| ExecutionAction::Instant(Some(s)))
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}
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Cmd::SignerReject { id, port, authfile } => {
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cli_signer::signer_reject(id, port, authfile).map(|s| ExecutionAction::Instant(Some(s)))
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}
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Cmd::Snapshot(snapshot_cmd) => {
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snapshot::execute(snapshot_cmd).map(|s| ExecutionAction::Instant(Some(s)))
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}
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Cmd::ExportHardcodedSync(export_hs_cmd) => {
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export_hardcoded_sync::execute(export_hs_cmd).map(|s| ExecutionAction::Instant(Some(s)))
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}
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}
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}
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/// Starts the parity client.
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///
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/// `on_client_rq` is the action to perform when the client receives an RPC request to be restarted
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/// with a different chain.
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///
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/// `on_updater_rq` is the action to perform when the updater has a new binary to execute.
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///
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/// The first parameter is the command line arguments that you would pass when running the parity
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/// binary.
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///
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/// On error, returns what to print on stderr.
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// FIXME: totally independent logging capability, see https://github.com/paritytech/parity-ethereum/issues/10252
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pub fn start<Cr, Rr>(
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conf: Configuration,
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logger: Arc<RotatingLogger>,
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on_client_rq: Cr,
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on_updater_rq: Rr,
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) -> Result<ExecutionAction, String>
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where
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Cr: Fn(String) + 'static + Send,
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Rr: Fn() + 'static + Send,
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{
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execute(conf.into_command()?, logger, on_client_rq, on_updater_rq)
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}
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