57 lines
1.8 KiB
Rust
57 lines
1.8 KiB
Rust
// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity 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 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. If not, see <http://www.gnu.org/licenses/>.
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use std;
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use ethcore;
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use ethcore::client::Error as ClientError;
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use util::UtilError;
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use std::process::exit;
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#[macro_export]
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macro_rules! die {
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($($arg:tt)*) => (die_with_message(&format!("{}", format_args!($($arg)*))));
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}
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pub fn die_with_error(module: &'static str, e: ethcore::error::Error) -> ! {
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use ethcore::error::Error;
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match e {
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Error::Util(UtilError::StdIo(e)) => die_with_io_error(module, e),
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Error::Client(ClientError::Trace(e)) => die_with_message(&format!("{}", e)),
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_ => die!("{}: {:?}", module, e),
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}
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}
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pub fn die_with_io_error(module: &'static str, e: std::io::Error) -> ! {
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match e.kind() {
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std::io::ErrorKind::PermissionDenied => {
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die!("{}: No permissions to bind to specified port.", module)
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},
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std::io::ErrorKind::AddrInUse => {
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die!("{}: Specified address is already in use. Please make sure that nothing is listening on the same port or try using a different one.", module)
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},
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std::io::ErrorKind::AddrNotAvailable => {
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die!("{}: Could not use specified interface or given address is invalid.", module)
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},
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_ => die!("{}: {:?}", module, e),
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}
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}
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pub fn die_with_message(msg: &str) -> ! {
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println!("ERROR: {}", msg);
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exit(1);
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}
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