openethereum/util/src/network/tests.rs

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// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity 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.
// Parity 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 Parity. If not, see <http://www.gnu.org/licenses/>.
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use std::sync::atomic::{AtomicBool, Ordering as AtomicOrdering};
use std::thread;
use std::time::*;
use common::*;
use network::*;
use io::TimerToken;
use crypto::KeyPair;
pub struct TestProtocol {
pub packet: Mutex<Bytes>,
pub got_timeout: AtomicBool,
}
impl Default for TestProtocol {
fn default() -> Self {
TestProtocol {
packet: Mutex::new(Vec::new()),
got_timeout: AtomicBool::new(false),
}
}
}
#[derive(Clone)]
pub struct TestProtocolMessage {
payload: u32,
}
impl TestProtocol {
/// Creates and register protocol with the network service
pub fn register(service: &mut NetworkService<TestProtocolMessage>) -> Arc<TestProtocol> {
let handler = Arc::new(TestProtocol::default());
service.register_protocol(handler.clone(), "test", &[42u8, 43u8]).expect("Error registering test protocol handler");
handler
}
pub fn got_packet(&self) -> bool {
self.packet.lock().unwrap().deref()[..] == b"hello"[..]
}
pub fn got_timeout(&self) -> bool {
self.got_timeout.load(AtomicOrdering::Relaxed)
}
}
impl NetworkProtocolHandler<TestProtocolMessage> for TestProtocol {
fn initialize(&self, io: &NetworkContext<TestProtocolMessage>) {
io.register_timer(0, 10).unwrap();
}
fn read(&self, _io: &NetworkContext<TestProtocolMessage>, _peer: &PeerId, packet_id: u8, data: &[u8]) {
assert_eq!(packet_id, 33);
self.packet.lock().unwrap().extend(data);
}
fn connected(&self, io: &NetworkContext<TestProtocolMessage>, _peer: &PeerId) {
io.respond(33, "hello".to_owned().into_bytes()).unwrap();
}
fn disconnected(&self, _io: &NetworkContext<TestProtocolMessage>, _peer: &PeerId) {
}
/// Timer function called after a timeout created with `NetworkContext::timeout`.
fn timeout(&self, _io: &NetworkContext<TestProtocolMessage>, timer: TimerToken) {
assert_eq!(timer, 0);
self.got_timeout.store(true, AtomicOrdering::Relaxed);
}
}
#[test]
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fn net_service() {
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let mut service = NetworkService::<TestProtocolMessage>::start(NetworkConfiguration::new()).expect("Error creating network service");
service.register_protocol(Arc::new(TestProtocol::default()), "myproto", &[1u8]).unwrap();
}
#[test]
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fn net_connect() {
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let key1 = KeyPair::create().unwrap();
let mut config1 = NetworkConfiguration::new_with_port(30344);
config1.use_secret = Some(key1.secret().clone());
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config1.boot_nodes = vec![ ];
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let mut config2 = NetworkConfiguration::new_with_port(30345);
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config2.boot_nodes = vec![ format!("enode://{}@127.0.0.1:30344", key1.public().hex()) ];
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let mut service1 = NetworkService::<TestProtocolMessage>::start(config1).unwrap();
let mut service2 = NetworkService::<TestProtocolMessage>::start(config2).unwrap();
let handler1 = TestProtocol::register(&mut service1);
let handler2 = TestProtocol::register(&mut service2);
while !handler1.got_packet() && !handler2.got_packet() {
thread::sleep(Duration::from_millis(50));
}
assert!(service1.stats().sessions() >= 1);
assert!(service2.stats().sessions() >= 1);
}
#[test]
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fn net_timeout() {
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let config = NetworkConfiguration::new_with_port(30346);
let mut service = NetworkService::<TestProtocolMessage>::start(config).unwrap();
let handler = TestProtocol::register(&mut service);
while !handler.got_timeout() {
thread::sleep(Duration::from_millis(50));
}
}