openethereum/util/network-devp2p/tests/tests.rs

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// Copyright 2015-2019 Parity Technologies (UK) Ltd.
// 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
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 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
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
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extern crate env_logger;
extern crate ethcore_io as io;
extern crate ethcore_network;
extern crate ethcore_network_devp2p;
extern crate ethkey;
extern crate parity_bytes;
extern crate parking_lot;
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use std::sync::atomic::{AtomicBool, Ordering as AtomicOrdering};
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use std::sync::Arc;
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use std::thread;
use std::time::*;
use parking_lot::Mutex;
use parity_bytes::Bytes;
use ethcore_network::*;
use ethcore_network_devp2p::NetworkService;
use ethkey::{Random, Generator};
use io::TimerToken;
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pub struct TestProtocol {
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drop_session: bool,
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pub packet: Mutex<Bytes>,
pub got_timeout: AtomicBool,
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pub got_disconnect: AtomicBool,
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}
impl TestProtocol {
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pub fn new(drop_session: bool) -> Self {
TestProtocol {
packet: Mutex::new(Vec::new()),
got_timeout: AtomicBool::new(false),
got_disconnect: AtomicBool::new(false),
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drop_session: drop_session,
}
}
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/// Creates and register protocol with the network service
pub fn register(service: &mut NetworkService, drop_session: bool) -> Arc<TestProtocol> {
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let handler = Arc::new(TestProtocol::new(drop_session));
service.register_protocol(handler.clone(), *b"tst", &[(42u8, 1u8), (43u8, 1u8)]).expect("Error registering test protocol handler");
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handler
}
pub fn got_packet(&self) -> bool {
self.packet.lock()[..] == b"hello"[..]
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}
pub fn got_timeout(&self) -> bool {
self.got_timeout.load(AtomicOrdering::Relaxed)
}
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pub fn got_disconnect(&self) -> bool {
self.got_disconnect.load(AtomicOrdering::Relaxed)
}
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}
impl NetworkProtocolHandler for TestProtocol {
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fn initialize(&self, io: &NetworkContext) {
io.register_timer(0, Duration::from_millis(10)).unwrap();
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}
fn read(&self, _io: &NetworkContext, _peer: &PeerId, packet_id: u8, data: &[u8]) {
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assert_eq!(packet_id, 33);
self.packet.lock().extend(data);
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}
fn connected(&self, io: &NetworkContext, peer: &PeerId) {
assert!(io.peer_client_version(*peer).contains("Parity"));
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if self.drop_session {
io.disconnect_peer(*peer)
} else {
io.respond(33, "hello".to_owned().into_bytes()).unwrap();
}
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}
fn disconnected(&self, _io: &NetworkContext, _peer: &PeerId) {
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self.got_disconnect.store(true, AtomicOrdering::Relaxed);
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}
/// Timer function called after a timeout created with `NetworkContext::timeout`.
fn timeout(&self, _io: &NetworkContext, timer: TimerToken) {
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assert_eq!(timer, 0);
self.got_timeout.store(true, AtomicOrdering::Relaxed);
}
}
#[test]
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fn net_service() {
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let service = NetworkService::new(NetworkConfiguration::new_local(), None).expect("Error creating network service");
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service.start().unwrap();
service.register_protocol(Arc::new(TestProtocol::new(false)), *b"myp", &[(1u8, 1u8)]).unwrap();
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}
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#[test]
fn net_start_stop() {
let config = NetworkConfiguration::new_local();
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let service = NetworkService::new(config, None).unwrap();
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service.start().unwrap();
service.stop();
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service.start().unwrap();
}
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#[test]
fn net_disconnect() {
let key1 = Random.generate().unwrap();
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let mut config1 = NetworkConfiguration::new_local();
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config1.use_secret = Some(key1.secret().clone());
config1.boot_nodes = vec![ ];
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let mut service1 = NetworkService::new(config1, None).unwrap();
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service1.start().unwrap();
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let handler1 = TestProtocol::register(&mut service1, false);
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let mut config2 = NetworkConfiguration::new_local();
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config2.boot_nodes = vec![ service1.local_url().unwrap() ];
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let mut service2 = NetworkService::new(config2, None).unwrap();
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service2.start().unwrap();
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let handler2 = TestProtocol::register(&mut service2, true);
while !(handler1.got_disconnect() && handler2.got_disconnect()) {
thread::sleep(Duration::from_millis(50));
}
assert!(handler1.got_disconnect());
assert!(handler2.got_disconnect());
}
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#[test]
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fn net_timeout() {
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let config = NetworkConfiguration::new_local();
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let mut service = NetworkService::new(config, None).unwrap();
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service.start().unwrap();
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let handler = TestProtocol::register(&mut service, false);
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while !handler.got_timeout() {
thread::sleep(Duration::from_millis(50));
}
}