278 lines
8.4 KiB
Rust
278 lines
8.4 KiB
Rust
#[macro_use]
|
|
extern crate log;
|
|
extern crate rayon;
|
|
extern crate solana;
|
|
|
|
use rayon::iter::*;
|
|
use solana::crdt::{Crdt, TestNode};
|
|
use solana::logger;
|
|
use solana::ncp::Ncp;
|
|
use solana::packet::Blob;
|
|
use solana::service::Service;
|
|
use std::net::UdpSocket;
|
|
use std::sync::atomic::{AtomicBool, Ordering};
|
|
use std::sync::{Arc, RwLock};
|
|
use std::thread::sleep;
|
|
use std::time::Duration;
|
|
|
|
fn test_node(exit: Arc<AtomicBool>) -> (Arc<RwLock<Crdt>>, Ncp, UdpSocket) {
|
|
let tn = TestNode::new();
|
|
let crdt = Crdt::new(tn.data.clone());
|
|
let c = Arc::new(RwLock::new(crdt));
|
|
let w = Arc::new(RwLock::new(vec![]));
|
|
let d = Ncp::new(
|
|
&c.clone(),
|
|
w,
|
|
tn.sockets.gossip,
|
|
tn.sockets.gossip_send,
|
|
exit,
|
|
).unwrap();
|
|
(c, d, tn.sockets.replicate)
|
|
}
|
|
|
|
/// Test that the network converges.
|
|
/// Run until every node in the network has a full NodeInfo set.
|
|
/// Check that nodes stop sending updates after all the NodeInfo has been shared.
|
|
/// tests that actually use this function are below
|
|
fn run_gossip_topo<F>(topo: F)
|
|
where
|
|
F: Fn(&Vec<(Arc<RwLock<Crdt>>, Ncp, UdpSocket)>) -> (),
|
|
{
|
|
let num: usize = 5;
|
|
let exit = Arc::new(AtomicBool::new(false));
|
|
let listen: Vec<_> = (0..num).map(|_| test_node(exit.clone())).collect();
|
|
topo(&listen);
|
|
let mut done = true;
|
|
for i in 0..(num * 32) {
|
|
done = false;
|
|
trace!("round {}", i);
|
|
for (c, _, _) in &listen {
|
|
if num == c.read().unwrap().convergence() as usize {
|
|
done = true;
|
|
break;
|
|
}
|
|
}
|
|
//at least 1 node converged
|
|
if done == true {
|
|
break;
|
|
}
|
|
sleep(Duration::new(1, 0));
|
|
}
|
|
exit.store(true, Ordering::Relaxed);
|
|
for (c, dr, _) in listen {
|
|
dr.join().unwrap();
|
|
// make it clear what failed
|
|
// protocol is to chatty, updates should stop after everyone receives `num`
|
|
assert!(c.read().unwrap().update_index <= num as u64);
|
|
// protocol is not chatty enough, everyone should get `num` entries
|
|
assert_eq!(c.read().unwrap().table.len(), num);
|
|
}
|
|
assert!(done);
|
|
}
|
|
/// ring a -> b -> c -> d -> e -> a
|
|
#[test]
|
|
fn gossip_ring() {
|
|
logger::setup();
|
|
run_gossip_topo(|listen| {
|
|
let num = listen.len();
|
|
for n in 0..num {
|
|
let y = n % listen.len();
|
|
let x = (n + 1) % listen.len();
|
|
let mut xv = listen[x].0.write().unwrap();
|
|
let yv = listen[y].0.read().unwrap();
|
|
let mut d = yv.table[&yv.me].clone();
|
|
d.version = 0;
|
|
xv.insert(&d);
|
|
}
|
|
});
|
|
}
|
|
|
|
/// star a -> (b,c,d,e)
|
|
#[test]
|
|
fn gossip_star() {
|
|
logger::setup();
|
|
run_gossip_topo(|listen| {
|
|
let num = listen.len();
|
|
for n in 0..(num - 1) {
|
|
let x = 0;
|
|
let y = (n + 1) % listen.len();
|
|
let mut xv = listen[x].0.write().unwrap();
|
|
let yv = listen[y].0.read().unwrap();
|
|
let mut yd = yv.table[&yv.me].clone();
|
|
yd.version = 0;
|
|
xv.insert(&yd);
|
|
trace!("star leader {:?}", &xv.me[..4]);
|
|
}
|
|
});
|
|
}
|
|
|
|
/// rstar a <- (b,c,d,e)
|
|
#[test]
|
|
fn gossip_rstar() {
|
|
logger::setup();
|
|
run_gossip_topo(|listen| {
|
|
let num = listen.len();
|
|
let xd = {
|
|
let xv = listen[0].0.read().unwrap();
|
|
xv.table[&xv.me].clone()
|
|
};
|
|
trace!("rstar leader {:?}", &xd.id[..4]);
|
|
for n in 0..(num - 1) {
|
|
let y = (n + 1) % listen.len();
|
|
let mut yv = listen[y].0.write().unwrap();
|
|
yv.insert(&xd);
|
|
trace!("rstar insert {:?} into {:?}", &xd.id[..4], &yv.me[..4]);
|
|
}
|
|
});
|
|
}
|
|
|
|
#[test]
|
|
pub fn crdt_retransmit() {
|
|
logger::setup();
|
|
let exit = Arc::new(AtomicBool::new(false));
|
|
trace!("c1:");
|
|
let (c1, dr1, tn1) = test_node(exit.clone());
|
|
trace!("c2:");
|
|
let (c2, dr2, tn2) = test_node(exit.clone());
|
|
trace!("c3:");
|
|
let (c3, dr3, tn3) = test_node(exit.clone());
|
|
let c1_data = c1.read().unwrap().my_data().clone();
|
|
c1.write().unwrap().set_leader(c1_data.id);
|
|
|
|
c2.write().unwrap().insert(&c1_data);
|
|
c3.write().unwrap().insert(&c1_data);
|
|
|
|
c2.write().unwrap().set_leader(c1_data.id);
|
|
c3.write().unwrap().set_leader(c1_data.id);
|
|
|
|
//wait to converge
|
|
trace!("waiting to converge:");
|
|
let mut done = false;
|
|
for _ in 0..30 {
|
|
done = c1.read().unwrap().table.len() == 3
|
|
&& c2.read().unwrap().table.len() == 3
|
|
&& c3.read().unwrap().table.len() == 3;
|
|
if done {
|
|
break;
|
|
}
|
|
sleep(Duration::new(1, 0));
|
|
}
|
|
assert!(done);
|
|
let mut b = Blob::default();
|
|
b.meta.size = 10;
|
|
Crdt::retransmit(&c1, &Arc::new(RwLock::new(b)), &tn1).unwrap();
|
|
let res: Vec<_> = [tn1, tn2, tn3]
|
|
.into_par_iter()
|
|
.map(|s| {
|
|
let mut b = Blob::default();
|
|
s.set_read_timeout(Some(Duration::new(1, 0))).unwrap();
|
|
let res = s.recv_from(&mut b.data);
|
|
res.is_err() //true if failed to receive the retransmit packet
|
|
})
|
|
.collect();
|
|
//true if failed receive the retransmit packet, r2, and r3 should succeed
|
|
//r1 was the sender, so it should fail to receive the packet
|
|
assert_eq!(res, [true, false, false]);
|
|
exit.store(true, Ordering::Relaxed);
|
|
dr1.join().unwrap();
|
|
dr2.join().unwrap();
|
|
dr3.join().unwrap();
|
|
}
|
|
|
|
#[test]
|
|
#[ignore]
|
|
fn test_external_liveness_table() {
|
|
logger::setup();
|
|
let c1_c4_exit = Arc::new(AtomicBool::new(false));
|
|
let c2_c3_exit = Arc::new(AtomicBool::new(false));
|
|
|
|
trace!("c1:");
|
|
let (c1, dr1, _) = test_node(c1_c4_exit.clone());
|
|
trace!("c2:");
|
|
let (c2, dr2, _) = test_node(c2_c3_exit.clone());
|
|
trace!("c3:");
|
|
let (c3, dr3, _) = test_node(c2_c3_exit.clone());
|
|
trace!("c4:");
|
|
let (c4, dr4, _) = test_node(c1_c4_exit.clone());
|
|
|
|
let c1_data = c1.read().unwrap().my_data().clone();
|
|
c1.write().unwrap().set_leader(c1_data.id);
|
|
|
|
let c2_id = c2.read().unwrap().me;
|
|
let c3_id = c3.read().unwrap().me;
|
|
let c4_id = c4.read().unwrap().me;
|
|
|
|
// Insert the remote data about c4
|
|
let c2_index_for_c4 = 10;
|
|
c2.write().unwrap().remote.insert(c4_id, c2_index_for_c4);
|
|
let c3_index_for_c4 = 20;
|
|
c3.write().unwrap().remote.insert(c4_id, c3_index_for_c4);
|
|
|
|
// Set up the initial network topology
|
|
c2.write().unwrap().insert(&c1_data);
|
|
c3.write().unwrap().insert(&c1_data);
|
|
|
|
c2.write().unwrap().set_leader(c1_data.id);
|
|
c3.write().unwrap().set_leader(c1_data.id);
|
|
|
|
// Wait to converge
|
|
trace!("waiting to converge:");
|
|
let mut done = false;
|
|
for _ in 0..30 {
|
|
done = c1.read().unwrap().table.len() == 3
|
|
&& c2.read().unwrap().table.len() == 3
|
|
&& c3.read().unwrap().table.len() == 3;
|
|
if done {
|
|
break;
|
|
}
|
|
sleep(Duration::new(1, 0));
|
|
}
|
|
assert!(done);
|
|
|
|
// Validate c1's external liveness table, then release lock rc1
|
|
{
|
|
let rc1 = c1.read().unwrap();
|
|
let el = rc1.get_external_liveness_entry(&c4.read().unwrap().me);
|
|
|
|
// Make sure liveness table entry for c4 exists on node c1
|
|
assert!(el.is_some());
|
|
let liveness_map = el.unwrap();
|
|
|
|
// Make sure liveness table entry contains correct result for c2
|
|
let c2_index_result_for_c4 = liveness_map.get(&c2_id);
|
|
assert!(c2_index_result_for_c4.is_some());
|
|
assert_eq!(*(c2_index_result_for_c4.unwrap()), c2_index_for_c4);
|
|
|
|
// Make sure liveness table entry contains correct result for c3
|
|
let c3_index_result_for_c4 = liveness_map.get(&c3_id);
|
|
assert!(c3_index_result_for_c4.is_some());
|
|
assert_eq!(*(c3_index_result_for_c4.unwrap()), c3_index_for_c4);
|
|
}
|
|
|
|
// Shutdown validators c2 and c3
|
|
c2_c3_exit.store(true, Ordering::Relaxed);
|
|
dr2.join().unwrap();
|
|
dr3.join().unwrap();
|
|
|
|
// Allow communication between c1 and c4, make sure that c1's external_liveness table
|
|
// entry for c4 gets cleared
|
|
c4.write().unwrap().insert(&c1_data);
|
|
c4.write().unwrap().set_leader(c1_data.id);
|
|
for _ in 0..30 {
|
|
done = c1.read()
|
|
.unwrap()
|
|
.get_external_liveness_entry(&c4_id)
|
|
.is_none();
|
|
if done {
|
|
break;
|
|
}
|
|
sleep(Duration::new(1, 0));
|
|
}
|
|
assert!(done);
|
|
|
|
// Shutdown validators c1 and c4
|
|
c1_c4_exit.store(true, Ordering::Relaxed);
|
|
dr1.join().unwrap();
|
|
dr4.join().unwrap();
|
|
}
|