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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![cfg_attr(feature = "deny-warnings", deny(warnings))]
#![warn(clippy::pedantic)]
mod sim;
use std::{ops::Range, time::Duration};
use neqo_transport::{ConnectionError, ConnectionParameters, Error, State};
use sim::{
connection::{ConnectionNode, ReachState, ReceiveData, SendData},
network::{Delay, Drop, TailDrop},
Simulator,
};
/// The amount of transfer. Much more than this takes a surprising amount of time.
const TRANSFER_AMOUNT: usize = 1 << 20; // 1M
const ZERO: Duration = Duration::from_millis(0);
const DELAY: Duration = Duration::from_millis(50);
const DELAY_RANGE: Range<Duration> = DELAY..Duration::from_millis(55);
const JITTER: Duration = Duration::from_millis(10);
const fn weeks(m: u32) -> Duration {
Duration::from_secs((m as u64) * 60 * 60 * 24 * 7)
}
simulate!(
connect_direct,
[
ConnectionNode::default_client(boxed![ReachState::new(State::Confirmed)]),
ConnectionNode::default_server(boxed![ReachState::new(State::Confirmed)]),
]
);
simulate!(
idle_timeout,
[
ConnectionNode::default_client(boxed![
ReachState::new(State::Confirmed),
ReachState::new(State::Closed(ConnectionError::Transport(
Error::IdleTimeout
)))
]),
ConnectionNode::default_server(boxed![
ReachState::new(State::Confirmed),
ReachState::new(State::Closed(ConnectionError::Transport(
Error::IdleTimeout
)))
]),
]
);
simulate!(
idle_timeout_crazy_rtt,
[
ConnectionNode::new_client(
ConnectionParameters::default().idle_timeout(weeks(1000)),
boxed![
ReachState::new(State::Confirmed),
ReachState::new(State::Closed(ConnectionError::Transport(
Error::IdleTimeout
)))
]
),
Delay::new(weeks(6)..weeks(6)),
Drop::percentage(10),
ConnectionNode::new_server(
ConnectionParameters::default().idle_timeout(weeks(1000)),
boxed![
ReachState::new(State::Confirmed),
ReachState::new(State::Closed(ConnectionError::Transport(
Error::IdleTimeout
)))
]
),
Delay::new(weeks(8)..weeks(8)),
Drop::percentage(10),
],
);
simulate!(
transfer,
[
ConnectionNode::default_client(boxed![SendData::new(TRANSFER_AMOUNT)]),
ConnectionNode::default_server(boxed![ReceiveData::new(TRANSFER_AMOUNT)]),
]
);
simulate!(
connect_fixed_rtt,
[
ConnectionNode::default_client(boxed![ReachState::new(State::Confirmed)]),
Delay::new(DELAY..DELAY),
ConnectionNode::default_server(boxed![ReachState::new(State::Confirmed)]),
Delay::new(DELAY..DELAY),
],
);
simulate!(
connect_taildrop_jitter,
[
ConnectionNode::default_client(boxed![ReachState::new(State::Confirmed)]),
TailDrop::dsl_uplink(),
Delay::new(ZERO..JITTER),
ConnectionNode::default_server(boxed![ReachState::new(State::Confirmed)]),
TailDrop::dsl_downlink(),
Delay::new(ZERO..JITTER),
],
);
simulate!(
connect_taildrop,
[
ConnectionNode::default_client(boxed![ReachState::new(State::Confirmed)]),
TailDrop::dsl_uplink(),
ConnectionNode::default_server(boxed![ReachState::new(State::Confirmed)]),
TailDrop::dsl_downlink(),
],
);
simulate!(
transfer_delay_drop,
[
ConnectionNode::default_client(boxed![SendData::new(TRANSFER_AMOUNT)]),
Delay::new(DELAY_RANGE),
Drop::percentage(1),
ConnectionNode::default_server(boxed![ReceiveData::new(TRANSFER_AMOUNT)]),
Delay::new(DELAY_RANGE),
Drop::percentage(1),
],
);
simulate!(
transfer_taildrop,
[
ConnectionNode::default_client(boxed![SendData::new(TRANSFER_AMOUNT)]),
TailDrop::dsl_uplink(),
ConnectionNode::default_server(boxed![ReceiveData::new(TRANSFER_AMOUNT)]),
TailDrop::dsl_downlink(),
],
);
simulate!(
transfer_taildrop_jitter,
[
ConnectionNode::default_client(boxed![SendData::new(TRANSFER_AMOUNT)]),
TailDrop::dsl_uplink(),
Delay::new(ZERO..JITTER),
ConnectionNode::default_server(boxed![ReceiveData::new(TRANSFER_AMOUNT)]),
TailDrop::dsl_downlink(),
Delay::new(ZERO..JITTER),
],
);
/// This test is a nasty piece of work. Delays are anything from 0 to 50ms and 1% of
/// packets get dropped.
#[test]
fn transfer_fixed_seed() {
let mut sim = Simulator::new(
"transfer_fixed_seed",
boxed![
ConnectionNode::default_client(boxed![SendData::new(TRANSFER_AMOUNT)]),
Delay::new(ZERO..DELAY),
Drop::percentage(1),
ConnectionNode::default_server(boxed![ReceiveData::new(TRANSFER_AMOUNT)]),
Delay::new(ZERO..DELAY),
Drop::percentage(1),
],
);
sim.seed_str("117f65d90ee5c1a7fb685f3af502c7730ba5d31866b758d98f5e3c2117cf9b86");
sim.run();
}
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