openethereum/crates/net/network-devp2p/tests/tests.rs
2021-01-14 15:30:57 +01:00

158 lines
5.1 KiB
Rust

// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.
// OpenEthereum is free software: you can redistribute it and/or modify
// 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.
// OpenEthereum is distributed in the hope that it will be useful,
// 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 OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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;
use ethcore_network::*;
use ethcore_network_devp2p::NetworkService;
use ethkey::{Generator, Random};
use io::TimerToken;
use parity_bytes::Bytes;
use parking_lot::Mutex;
use std::{
sync::{
atomic::{AtomicBool, Ordering as AtomicOrdering},
Arc,
},
thread,
time::*,
};
pub struct TestProtocol {
drop_session: bool,
pub packet: Mutex<Bytes>,
pub got_timeout: AtomicBool,
pub got_disconnect: AtomicBool,
}
impl TestProtocol {
pub fn new(drop_session: bool) -> Self {
TestProtocol {
packet: Mutex::new(Vec::new()),
got_timeout: AtomicBool::new(false),
got_disconnect: AtomicBool::new(false),
drop_session: drop_session,
}
}
/// Creates and register protocol with the network service
pub fn register(service: &mut NetworkService, drop_session: bool) -> Arc<TestProtocol> {
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");
handler
}
pub fn got_packet(&self) -> bool {
self.packet.lock()[..] == b"hello"[..]
}
pub fn got_timeout(&self) -> bool {
self.got_timeout.load(AtomicOrdering::Relaxed)
}
pub fn got_disconnect(&self) -> bool {
self.got_disconnect.load(AtomicOrdering::Relaxed)
}
}
impl NetworkProtocolHandler for TestProtocol {
fn initialize(&self, io: &dyn NetworkContext) {
io.register_timer(0, Duration::from_millis(10)).unwrap();
}
fn read(&self, _io: &dyn NetworkContext, _peer: &PeerId, packet_id: u8, data: &[u8]) {
assert_eq!(packet_id, 33);
self.packet.lock().extend(data);
}
fn connected(&self, io: &dyn NetworkContext, peer: &PeerId) {
assert!(io.peer_client_version(*peer).to_string().contains("Parity"));
if self.drop_session {
io.disconnect_peer(*peer)
} else {
io.respond(33, "hello".to_owned().into_bytes()).unwrap();
}
}
fn disconnected(&self, _io: &dyn NetworkContext, _peer: &PeerId) {
self.got_disconnect.store(true, AtomicOrdering::Relaxed);
}
/// Timer function called after a timeout created with `NetworkContext::timeout`.
fn timeout(&self, _io: &dyn NetworkContext, timer: TimerToken) {
assert_eq!(timer, 0);
self.got_timeout.store(true, AtomicOrdering::Relaxed);
}
}
#[test]
fn net_service() {
let service = NetworkService::new(NetworkConfiguration::new_local(), None)
.expect("Error creating network service");
service.start().unwrap();
service
.register_protocol(Arc::new(TestProtocol::new(false)), *b"myp", &[(1u8, 1u8)])
.unwrap();
}
#[test]
fn net_start_stop() {
let config = NetworkConfiguration::new_local();
let service = NetworkService::new(config, None).unwrap();
service.start().unwrap();
service.stop();
service.start().unwrap();
}
#[test]
fn net_disconnect() {
let key1 = Random.generate().unwrap();
let mut config1 = NetworkConfiguration::new_local();
config1.use_secret = Some(key1.secret().clone());
config1.boot_nodes = vec![];
let mut service1 = NetworkService::new(config1, None).unwrap();
service1.start().unwrap();
let handler1 = TestProtocol::register(&mut service1, false);
let mut config2 = NetworkConfiguration::new_local();
config2.boot_nodes = vec![service1.local_url().unwrap()];
let mut service2 = NetworkService::new(config2, None).unwrap();
service2.start().unwrap();
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());
}
#[test]
fn net_timeout() {
let config = NetworkConfiguration::new_local();
let mut service = NetworkService::new(config, None).unwrap();
service.start().unwrap();
let handler = TestProtocol::register(&mut service, false);
while !handler.got_timeout() {
thread::sleep(Duration::from_millis(50));
}
}