Initializing logger for each command (#3090)

* Initializing logger for each command

* Single logger setup

* Whitespace [ci:skip]

logger/src/lib.rs

@@ -36,7 +36,7 @@ use regex::Regex;
 use util::RotatingLogger;
 use util::log::Colour;
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Clone)]
 pub struct Config {
 	pub mode: Option<String>,
 	pub color: bool,

parity/blockchain.rs

@@ -21,7 +21,6 @@ use std::time::{Instant, Duration};
 use std::thread::sleep;
 use std::sync::Arc;
 use rustc_serialize::hex::FromHex;
-use ethcore_logger::{setup_log, Config as LogConfig};
 use io::{PanicHandler, ForwardPanic};
 use util::{ToPretty, Uint};
 use rlp::PayloadInfo;
@@ -71,7 +70,6 @@ pub enum BlockchainCmd {
 #[derive(Debug, PartialEq)]
 pub struct ImportBlockchain {
 	pub spec: SpecType,
-	pub logger_config: LogConfig,
 	pub cache_config: CacheConfig,
 	pub dirs: Directories,
 	pub file_path: Option<String>,
@@ -85,12 +83,12 @@ pub struct ImportBlockchain {
 	pub fat_db: Switch,
 	pub vm_type: VMType,
 	pub check_seal: bool,
+	pub with_color: bool,
 }
 
 #[derive(Debug, PartialEq)]
 pub struct ExportBlockchain {
 	pub spec: SpecType,
-	pub logger_config: LogConfig,
 	pub cache_config: CacheConfig,
 	pub dirs: Directories,
 	pub file_path: Option<String>,
@@ -120,9 +118,6 @@ fn execute_import(cmd: ImportBlockchain) -> Result<String, String> {
 	// Setup panic handler
 	let panic_handler = PanicHandler::new_in_arc();
 
-	// Setup logging
-	let _logger = setup_log(&cmd.logger_config);
-
 	// create dirs used by parity
 	try!(cmd.dirs.create_dirs());
 
@@ -196,7 +191,7 @@ fn execute_import(cmd: ImportBlockchain) -> Result<String, String> {
 		}
 	};
 
-	let informant = Informant::new(client.clone(), None, None, None, cmd.logger_config.color);
+	let informant = Informant::new(client.clone(), None, None, None, cmd.with_color);
 
 	try!(service.register_io_handler(Arc::new(ImportIoHandler {
 		info: Arc::new(informant),
@@ -269,9 +264,6 @@ fn execute_export(cmd: ExportBlockchain) -> Result<String, String> {
 	// Setup panic handler
 	let panic_handler = PanicHandler::new_in_arc();
 
-	// Setup logging
-	let _logger = setup_log(&cmd.logger_config);
-
 	// create dirs used by parity
 	try!(cmd.dirs.create_dirs());
 

parity/configuration.rs

@@ -35,7 +35,7 @@ use params::{ResealPolicy, AccountsConfig, GasPricerConfig, MinerExtras};
 use ethcore_logger::Config as LogConfig;
 use dir::Directories;
 use dapps::Configuration as DappsConfiguration;
-use signer::Configuration as SignerConfiguration;
+use signer::{Configuration as SignerConfiguration, SignerCommand};
 use run::RunCmd;
 use blockchain::{BlockchainCmd, ImportBlockchain, ExportBlockchain, DataFormat};
 use presale::ImportWallet;
@@ -49,11 +49,16 @@ pub enum Cmd {
 	Account(AccountCmd),
 	ImportPresaleWallet(ImportWallet),
 	Blockchain(BlockchainCmd),
-	SignerToken(String),
+	SignerToken(SignerCommand),
 	Snapshot(SnapshotCommand),
 	Hash(Option<String>),
 }
 
+pub struct Execute {
+	pub logger: LogConfig,
+	pub cmd: Cmd,
+}
+
 #[derive(Debug, PartialEq)]
 pub struct Configuration {
 	pub args: Args,
@@ -70,7 +75,7 @@ impl Configuration {
 		Ok(config)
 	}
 
-	pub fn into_command(self) -> Result<Cmd, String> {
+	pub fn into_command(self) -> Result<Execute, String> {
 		let dirs = self.directories();
 		let pruning = try!(self.args.flag_pruning.parse());
 		let pruning_history = self.args.flag_pruning_history;
@@ -99,7 +104,9 @@ impl Configuration {
 		let cmd = if self.args.flag_version {
 			Cmd::Version
 		} else if self.args.cmd_signer && self.args.cmd_new_token {
-			Cmd::SignerToken(dirs.signer)
+			Cmd::SignerToken(SignerCommand {
+				path: dirs.signer
+			})
 		} else if self.args.cmd_tools && self.args.cmd_hash {
 			Cmd::Hash(self.args.arg_file)
 		} else if self.args.cmd_account {
@@ -141,7 +148,6 @@ impl Configuration {
 		} else if self.args.cmd_import {
 			let import_cmd = ImportBlockchain {
 				spec: spec,
-				logger_config: logger_config,
 				cache_config: cache_config,
 				dirs: dirs,
 				file_path: self.args.arg_file.clone(),
@@ -155,12 +161,12 @@ impl Configuration {
 				fat_db: fat_db,
 				vm_type: vm_type,
 				check_seal: !self.args.flag_no_seal_check,
+				with_color: logger_config.color,
 			};
 			Cmd::Blockchain(BlockchainCmd::Import(import_cmd))
 		} else if self.args.cmd_export {
 			let export_cmd = ExportBlockchain {
 				spec: spec,
-				logger_config: logger_config,
 				cache_config: cache_config,
 				dirs: dirs,
 				file_path: self.args.arg_file.clone(),
@@ -184,7 +190,6 @@ impl Configuration {
 				spec: spec,
 				pruning: pruning,
 				pruning_history: pruning_history,
-				logger_config: logger_config,
 				mode: mode,
 				tracing: tracing,
 				fat_db: fat_db,
@@ -202,7 +207,6 @@ impl Configuration {
 				spec: spec,
 				pruning: pruning,
 				pruning_history: pruning_history,
-				logger_config: logger_config,
 				mode: mode,
 				tracing: tracing,
 				fat_db: fat_db,
@@ -227,7 +231,7 @@ impl Configuration {
 				pruning: pruning,
 				pruning_history: pruning_history,
 				daemon: daemon,
-				logger_config: logger_config,
+				logger_config: logger_config.clone(),
 				miner_options: miner_options,
 				http_conf: http_conf,
 				ipc_conf: ipc_conf,
@@ -258,7 +262,10 @@ impl Configuration {
 			Cmd::Run(run_cmd)
 		};
 
-		Ok(cmd)
+		Ok(Execute {
+			logger: logger_config,
+			cmd: cmd,
+		})
 	}
 
 	fn enable_network(&self, mode: &Mode) -> bool {
@@ -684,7 +691,7 @@ mod tests {
 	use ethcore::miner::{MinerOptions, PrioritizationStrategy};
 	use helpers::{replace_home, default_network_config};
 	use run::RunCmd;
-	use signer::Configuration as SignerConfiguration;
+	use signer::{Configuration as SignerConfiguration, SignerCommand};
 	use blockchain::{BlockchainCmd, ImportBlockchain, ExportBlockchain, DataFormat};
 	use presale::ImportWallet;
 	use account::{AccountCmd, NewAccount, ImportAccounts};
@@ -705,14 +712,14 @@ mod tests {
 	fn test_command_version() {
 		let args = vec!["parity", "--version"];
 		let conf = parse(&args);
-		assert_eq!(conf.into_command().unwrap(), Cmd::Version);
+		assert_eq!(conf.into_command().unwrap().cmd, Cmd::Version);
 	}
 
 	#[test]
 	fn test_command_account_new() {
 		let args = vec!["parity", "account", "new"];
 		let conf = parse(&args);
-		assert_eq!(conf.into_command().unwrap(), Cmd::Account(AccountCmd::New(NewAccount {
+		assert_eq!(conf.into_command().unwrap().cmd, Cmd::Account(AccountCmd::New(NewAccount {
 			iterations: 10240,
 			path: replace_home("$HOME/.parity/keys"),
 			password_file: None,
@@ -723,16 +730,16 @@ mod tests {
 	fn test_command_account_list() {
 		let args = vec!["parity", "account", "list"];
 		let conf = parse(&args);
-		assert_eq!(conf.into_command().unwrap(), Cmd::Account(
-			AccountCmd::List(replace_home("$HOME/.parity/keys")))
-		);
+		assert_eq!(conf.into_command().unwrap().cmd, Cmd::Account(
+			AccountCmd::List(replace_home("$HOME/.parity/keys")),
+		));
 	}
 
 	#[test]
 	fn test_command_account_import() {
 		let args = vec!["parity", "account", "import", "my_dir", "another_dir"];
 		let conf = parse(&args);
-		assert_eq!(conf.into_command().unwrap(), Cmd::Account(AccountCmd::Import(ImportAccounts {
+		assert_eq!(conf.into_command().unwrap().cmd, Cmd::Account(AccountCmd::Import(ImportAccounts {
 			from: vec!["my_dir".into(), "another_dir".into()],
 			to: replace_home("$HOME/.parity/keys"),
 		})));
@@ -742,7 +749,7 @@ mod tests {
 	fn test_command_wallet_import() {
 		let args = vec!["parity", "wallet", "import", "my_wallet.json", "--password", "pwd"];
 		let conf = parse(&args);
-		assert_eq!(conf.into_command().unwrap(), Cmd::ImportPresaleWallet(ImportWallet {
+		assert_eq!(conf.into_command().unwrap().cmd, Cmd::ImportPresaleWallet(ImportWallet {
 			iterations: 10240,
 			path: replace_home("$HOME/.parity/keys"),
 			wallet_path: "my_wallet.json".into(),
@@ -754,9 +761,8 @@ mod tests {
 	fn test_command_blockchain_import() {
 		let args = vec!["parity", "import", "blockchain.json"];
 		let conf = parse(&args);
-		assert_eq!(conf.into_command().unwrap(), Cmd::Blockchain(BlockchainCmd::Import(ImportBlockchain {
+		assert_eq!(conf.into_command().unwrap().cmd, Cmd::Blockchain(BlockchainCmd::Import(ImportBlockchain {
 			spec: Default::default(),
-			logger_config: Default::default(),
 			cache_config: Default::default(),
 			dirs: Default::default(),
 			file_path: Some("blockchain.json".into()),
@@ -770,6 +776,7 @@ mod tests {
 			fat_db: Default::default(),
 			vm_type: VMType::Interpreter,
 			check_seal: true,
+			with_color: true,
 		})));
 	}
 
@@ -777,9 +784,8 @@ mod tests {
 	fn test_command_blockchain_export() {
 		let args = vec!["parity", "export", "blockchain.json"];
 		let conf = parse(&args);
-		assert_eq!(conf.into_command().unwrap(), Cmd::Blockchain(BlockchainCmd::Export(ExportBlockchain {
+		assert_eq!(conf.into_command().unwrap().cmd, Cmd::Blockchain(BlockchainCmd::Export(ExportBlockchain {
 			spec: Default::default(),
-			logger_config: Default::default(),
 			cache_config: Default::default(),
 			dirs: Default::default(),
 			file_path: Some("blockchain.json".into()),
@@ -801,9 +807,8 @@ mod tests {
 	fn test_command_blockchain_export_with_custom_format() {
 		let args = vec!["parity", "export", "--format", "hex", "blockchain.json"];
 		let conf = parse(&args);
-		assert_eq!(conf.into_command().unwrap(), Cmd::Blockchain(BlockchainCmd::Export(ExportBlockchain {
+		assert_eq!(conf.into_command().unwrap().cmd, Cmd::Blockchain(BlockchainCmd::Export(ExportBlockchain {
 			spec: Default::default(),
-			logger_config: Default::default(),
 			cache_config: Default::default(),
 			dirs: Default::default(),
 			file_path: Some("blockchain.json".into()),
@@ -826,14 +831,16 @@ mod tests {
 		let args = vec!["parity", "signer", "new-token"];
 		let conf = parse(&args);
 		let expected = replace_home("$HOME/.parity/signer");
-		assert_eq!(conf.into_command().unwrap(), Cmd::SignerToken(expected));
+		assert_eq!(conf.into_command().unwrap().cmd, Cmd::SignerToken(SignerCommand {
+			path: expected,
+		}));
 	}
 
 	#[test]
 	fn test_run_cmd() {
 		let args = vec!["parity"];
 		let conf = parse(&args);
-		assert_eq!(conf.into_command().unwrap(), Cmd::Run(RunCmd {
+		assert_eq!(conf.into_command().unwrap().cmd, Cmd::Run(RunCmd {
 			cache_config: Default::default(),
 			dirs: Default::default(),
 			spec: Default::default(),

parity/main.rs

@@ -118,8 +118,9 @@ use std::io::BufReader;
 use std::fs::File;
 use util::sha3::sha3;
 use cli::Args;
-use configuration::{Cmd, Configuration};
+use configuration::{Cmd, Execute, Configuration};
 use deprecated::find_deprecated;
+use ethcore_logger::setup_log;
 
 fn print_hash_of(maybe_file: Option<String>) -> Result<String, String> {
 	if let Some(file) = maybe_file {
@@ -131,10 +132,12 @@ fn print_hash_of(maybe_file: Option<String>) -> Result<String, String> {
 	}
 }
 
-fn execute(command: Cmd) -> Result<String, String> {
-	match command {
+fn execute(command: Execute) -> Result<String, String> {
+	let logger = setup_log(&command.logger).expect("Logger is initialized only once; qed");
+
+	match command.cmd {
 		Cmd::Run(run_cmd) => {
-			try!(run::execute(run_cmd));
+			try!(run::execute(run_cmd, logger));
 			Ok("".into())
 		},
 		Cmd::Version => Ok(Args::print_version()),
@@ -142,7 +145,7 @@ fn execute(command: Cmd) -> Result<String, String> {
 		Cmd::Account(account_cmd) => account::execute(account_cmd),
 		Cmd::ImportPresaleWallet(presale_cmd) => presale::execute(presale_cmd),
 		Cmd::Blockchain(blockchain_cmd) => blockchain::execute(blockchain_cmd),
-		Cmd::SignerToken(path) => signer::new_token(path),
+		Cmd::SignerToken(signer_cmd) => signer::execute(signer_cmd),
 		Cmd::Snapshot(snapshot_cmd) => snapshot::execute(snapshot_cmd),
 	}
 }
@@ -198,7 +201,7 @@ fn sync_main() -> bool {
 fn main() {
 	// Always print backtrace on panic.
 	::std::env::set_var("RUST_BACKTRACE", "1");
-	
+
 	if sync_main() {
 		return;
 	}

parity/run.rs

@@ -17,11 +17,11 @@
 use std::sync::{Arc, Mutex, Condvar};
 use ctrlc::CtrlC;
 use fdlimit::raise_fd_limit;
-use ethcore_logger::{Config as LogConfig, setup_log};
 use ethcore_rpc::{NetworkSettings, is_major_importing};
 use ethsync::NetworkConfiguration;
-use util::{Colour, version, U256};
+use util::{Colour, version, U256, RotatingLogger};
 use io::{MayPanic, ForwardPanic, PanicHandler};
+use ethcore_logger::{Config as LogConfig};
 use ethcore::client::{Mode, DatabaseCompactionProfile, VMType, ChainNotify, BlockChainClient};
 use ethcore::service::ClientService;
 use ethcore::account_provider::AccountProvider;
@@ -93,13 +93,10 @@ pub struct RunCmd {
 	pub check_seal: bool,
 }
 
-pub fn execute(cmd: RunCmd) -> Result<(), String> {
+pub fn execute(cmd: RunCmd, logger: Arc<RotatingLogger>) -> Result<(), String> {
 	// set up panic handler
 	let panic_handler = PanicHandler::new_in_arc();
 
-	// set up logger
-	let logger = try!(setup_log(&cmd.logger_config));
-
 	// increase max number of open files
 	raise_fd_limit();
 

parity/signer.rs

@@ -68,8 +68,13 @@ fn codes_path(path: String) -> PathBuf {
 	p
 }
 
-pub fn new_token(path: String) -> Result<String, String> {
-	generate_new_token(path)
+#[derive(Debug, PartialEq)]
+pub struct SignerCommand {
+	pub path: String,
+}
+
+pub fn execute(cmd: SignerCommand) -> Result<String, String> {
+	generate_new_token(cmd.path)
 		.map(|code| format!("This key code will authorise your System Signer UI: {}", Colour::White.bold().paint(code)))
 		.map_err(|err| format!("Error generating token: {:?}", err))
 }

parity/snapshot.rs

@@ -20,7 +20,6 @@ use std::time::Duration;
 use std::path::{Path, PathBuf};
 use std::sync::Arc;
 
-use ethcore_logger::{setup_log, Config as LogConfig};
 use ethcore::snapshot::{Progress, RestorationStatus, SnapshotService as SS};
 use ethcore::snapshot::io::{SnapshotReader, PackedReader, PackedWriter};
 use ethcore::snapshot::service::Service as SnapshotService;
@@ -55,7 +54,6 @@ pub struct SnapshotCommand {
 	pub spec: SpecType,
 	pub pruning: Pruning,
 	pub pruning_history: u64,
-	pub logger_config: LogConfig,
 	pub mode: Mode,
 	pub tracing: Switch,
 	pub fat_db: Switch,
@@ -141,9 +139,6 @@ impl SnapshotCommand {
 		// load user defaults
 		let user_defaults = try!(UserDefaults::load(&user_defaults_path));
 
-		// Setup logging
-		let _logger = setup_log(&self.logger_config);
-
 		fdlimit::raise_fd_limit();
 
 		// select pruning algorithm