solana/core/tests/crds_gossip.rs

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Rust
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use bincode::serialized_size;
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use hashbrown::HashMap;
use log::*;
use rayon::prelude::*;
use solana::contact_info::ContactInfo;
use solana::crds_gossip::*;
use solana::crds_gossip_error::CrdsGossipError;
use solana::crds_gossip_push::CRDS_GOSSIP_PUSH_MSG_TIMEOUT_MS;
use solana::crds_value::CrdsValue;
use solana::crds_value::CrdsValueLabel;
use solana_sdk::hash::hash;
use solana_sdk::pubkey::Pubkey;
use solana_sdk::timing::timestamp;
use std::sync::{Arc, Mutex};
type Node = Arc<Mutex<CrdsGossip>>;
type Network = HashMap<Pubkey, Node>;
fn star_network_create(num: usize) -> Network {
let entry = CrdsValue::ContactInfo(ContactInfo::new_localhost(&Pubkey::new_rand(), 0));
let mut network: HashMap<_, _> = (1..num)
.map(|_| {
let new = CrdsValue::ContactInfo(ContactInfo::new_localhost(&Pubkey::new_rand(), 0));
let id = new.label().pubkey();
let mut node = CrdsGossip::default();
node.crds.insert(new.clone(), 0).unwrap();
node.crds.insert(entry.clone(), 0).unwrap();
node.set_self(&id);
(new.label().pubkey(), Arc::new(Mutex::new(node)))
})
.collect();
let mut node = CrdsGossip::default();
let id = entry.label().pubkey();
node.crds.insert(entry.clone(), 0).unwrap();
node.set_self(&id);
network.insert(id, Arc::new(Mutex::new(node)));
network
}
fn rstar_network_create(num: usize) -> Network {
let entry = CrdsValue::ContactInfo(ContactInfo::new_localhost(&Pubkey::new_rand(), 0));
let mut origin = CrdsGossip::default();
let id = entry.label().pubkey();
origin.crds.insert(entry.clone(), 0).unwrap();
origin.set_self(&id);
let mut network: HashMap<_, _> = (1..num)
.map(|_| {
let new = CrdsValue::ContactInfo(ContactInfo::new_localhost(&Pubkey::new_rand(), 0));
let id = new.label().pubkey();
let mut node = CrdsGossip::default();
node.crds.insert(new.clone(), 0).unwrap();
origin.crds.insert(new.clone(), 0).unwrap();
node.set_self(&id);
(new.label().pubkey(), Arc::new(Mutex::new(node)))
})
.collect();
network.insert(id, Arc::new(Mutex::new(origin)));
network
}
fn ring_network_create(num: usize) -> Network {
let mut network: HashMap<_, _> = (0..num)
.map(|_| {
let new = CrdsValue::ContactInfo(ContactInfo::new_localhost(&Pubkey::new_rand(), 0));
let id = new.label().pubkey();
let mut node = CrdsGossip::default();
node.crds.insert(new.clone(), 0).unwrap();
node.set_self(&id);
(new.label().pubkey(), Arc::new(Mutex::new(node)))
})
.collect();
let keys: Vec<Pubkey> = network.keys().cloned().collect();
for k in 0..keys.len() {
let start_info = {
let start = &network[&keys[k]];
let start_id = start.lock().unwrap().id.clone();
start
.lock()
.unwrap()
.crds
.lookup(&CrdsValueLabel::ContactInfo(start_id))
.unwrap()
.clone()
};
let end = network.get_mut(&keys[(k + 1) % keys.len()]).unwrap();
end.lock().unwrap().crds.insert(start_info, 0).unwrap();
}
network
}
fn network_simulator_pull_only(network: &mut Network) {
let num = network.len();
let (converged, bytes_tx) = network_run_pull(network, 0, num * 2, 0.9);
trace!(
"network_simulator_pull_{}: converged: {} total_bytes: {}",
num,
converged,
bytes_tx
);
assert!(converged >= 0.9);
}
fn network_simulator(network: &mut Network) {
let num = network.len();
// run for a small amount of time
let (converged, bytes_tx) = network_run_pull(network, 0, 10, 1.0);
trace!("network_simulator_push_{}: converged: {}", num, converged);
// make sure there is someone in the active set
let network_values: Vec<Node> = network.values().cloned().collect();
network_values.par_iter().for_each(|node| {
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node.lock()
.unwrap()
.refresh_push_active_set(&HashMap::new());
});
let mut total_bytes = bytes_tx;
for second in 1..num {
let start = second * 10;
let end = (second + 1) * 10;
let now = (start * 100) as u64;
// push a message to the network
network_values.par_iter().for_each(|locked_node| {
let node = &mut locked_node.lock().unwrap();
let mut m = node
.crds
.lookup(&CrdsValueLabel::ContactInfo(node.id))
.and_then(|v| v.contact_info().cloned())
.unwrap();
m.wallclock = now;
node.process_push_message(&[CrdsValue::ContactInfo(m.clone())], now);
});
// push for a bit
let (queue_size, bytes_tx) = network_run_push(network, start, end);
total_bytes += bytes_tx;
trace!(
"network_simulator_push_{}: queue_size: {} bytes: {}",
num,
queue_size,
bytes_tx
);
// pull for a bit
let (converged, bytes_tx) = network_run_pull(network, start, end, 1.0);
total_bytes += bytes_tx;
trace!(
"network_simulator_push_{}: converged: {} bytes: {} total_bytes: {}",
num,
converged,
bytes_tx,
total_bytes
);
if converged > 0.9 {
break;
}
}
}
fn network_run_push(network: &mut Network, start: usize, end: usize) -> (usize, usize) {
let mut bytes: usize = 0;
let mut num_msgs: usize = 0;
let mut total: usize = 0;
let num = network.len();
let mut prunes: usize = 0;
let mut delivered: usize = 0;
let network_values: Vec<Node> = network.values().cloned().collect();
for t in start..end {
let now = t as u64 * 100;
let requests: Vec<_> = network_values
.par_iter()
.map(|node| {
node.lock().unwrap().purge(now);
node.lock().unwrap().new_push_messages(now)
})
.collect();
let transfered: Vec<_> = requests
.par_iter()
.map(|(from, peers, msgs)| {
let mut bytes: usize = 0;
let mut delivered: usize = 0;
let mut num_msgs: usize = 0;
let mut prunes: usize = 0;
for to in peers {
bytes += serialized_size(msgs).unwrap() as usize;
num_msgs += 1;
let rsps = network
.get(&to)
.map(|node| node.lock().unwrap().process_push_message(&msgs, now))
.unwrap();
bytes += serialized_size(&rsps).unwrap() as usize;
prunes += rsps.len();
network
.get(&from)
.map(|node| {
let mut node = node.lock().unwrap();
let destination = node.id;
let now = timestamp();
node.process_prune_msg(&*to, &destination, &rsps, now, now)
.unwrap()
})
.unwrap();
delivered += rsps.is_empty() as usize;
}
(bytes, delivered, num_msgs, prunes)
})
.collect();
for (b, d, m, p) in transfered {
bytes += b;
delivered += d;
num_msgs += m;
prunes += p;
}
if now % CRDS_GOSSIP_PUSH_MSG_TIMEOUT_MS == 0 && now > 0 {
network_values.par_iter().for_each(|node| {
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node.lock()
.unwrap()
.refresh_push_active_set(&HashMap::new());
});
}
total = network_values
.par_iter()
.map(|v| v.lock().unwrap().push.num_pending())
.sum();
trace!(
"network_run_push_{}: now: {} queue: {} bytes: {} num_msgs: {} prunes: {} delivered: {}",
num,
now,
total,
bytes,
num_msgs,
prunes,
delivered,
);
}
(total, bytes)
}
fn network_run_pull(
network: &mut Network,
start: usize,
end: usize,
max_convergance: f64,
) -> (f64, usize) {
let mut bytes: usize = 0;
let mut msgs: usize = 0;
let mut overhead: usize = 0;
let mut convergance = 0f64;
let num = network.len();
let network_values: Vec<Node> = network.values().cloned().collect();
for t in start..end {
let now = t as u64 * 100;
let requests: Vec<_> = {
network_values
.par_iter()
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.filter_map(|from| {
from.lock()
.unwrap()
.new_pull_request(now, &HashMap::new())
.ok()
})
.collect()
};
let transfered: Vec<_> = requests
.into_par_iter()
.map(|(to, request, caller_info)| {
let mut bytes: usize = 0;
let mut msgs: usize = 0;
let mut overhead: usize = 0;
let from = caller_info.label().pubkey();
bytes += request.keys.len();
bytes += (request.bits.len() / 8) as usize;
bytes += serialized_size(&caller_info).unwrap() as usize;
let rsp = network
.get(&to)
.map(|node| {
node.lock()
.unwrap()
.process_pull_request(caller_info, request, now)
})
.unwrap();
bytes += serialized_size(&rsp).unwrap() as usize;
msgs += rsp.len();
network.get(&from).map(|node| {
node.lock()
.unwrap()
.mark_pull_request_creation_time(&from, now);
overhead += node.lock().unwrap().process_pull_response(&from, rsp, now);
});
(bytes, msgs, overhead)
})
.collect();
for (b, m, o) in transfered {
bytes += b;
msgs += m;
overhead += o;
}
let total: usize = network_values
.par_iter()
.map(|v| v.lock().unwrap().crds.table.len())
.sum();
convergance = total as f64 / ((num * num) as f64);
if convergance > max_convergance {
break;
}
trace!(
"network_run_pull_{}: now: {} connections: {} convergance: {} bytes: {} msgs: {} overhead: {}",
num,
now,
total,
convergance,
bytes,
msgs,
overhead
);
}
(convergance, bytes)
}
#[test]
fn test_star_network_pull_50() {
let mut network = star_network_create(50);
network_simulator_pull_only(&mut network);
}
#[test]
fn test_star_network_pull_100() {
let mut network = star_network_create(100);
network_simulator_pull_only(&mut network);
}
#[test]
fn test_star_network_push_star_200() {
let mut network = star_network_create(200);
network_simulator(&mut network);
}
#[test]
fn test_star_network_push_rstar_200() {
let mut network = rstar_network_create(200);
network_simulator(&mut network);
}
#[test]
fn test_star_network_push_ring_200() {
let mut network = ring_network_create(200);
network_simulator(&mut network);
}
#[test]
#[ignore]
fn test_star_network_large_pull() {
solana_logger::setup();
let mut network = star_network_create(2000);
network_simulator_pull_only(&mut network);
}
#[test]
#[ignore]
fn test_rstar_network_large_push() {
solana_logger::setup();
let mut network = rstar_network_create(4000);
network_simulator(&mut network);
}
#[test]
#[ignore]
fn test_ring_network_large_push() {
solana_logger::setup();
let mut network = ring_network_create(4001);
network_simulator(&mut network);
}
#[test]
#[ignore]
fn test_star_network_large_push() {
solana_logger::setup();
let mut network = star_network_create(4002);
network_simulator(&mut network);
}
#[test]
fn test_prune_errors() {
let mut crds_gossip = CrdsGossip::default();
crds_gossip.id = Pubkey::new(&[0; 32]);
let id = crds_gossip.id;
let ci = ContactInfo::new_localhost(&Pubkey::new(&[1; 32]), 0);
let prune_pubkey = Pubkey::new(&[2; 32]);
crds_gossip
.crds
.insert(CrdsValue::ContactInfo(ci.clone()), 0)
.unwrap();
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crds_gossip.refresh_push_active_set(&HashMap::new());
let now = timestamp();
//incorrect dest
let mut res = crds_gossip.process_prune_msg(
&ci.id,
&Pubkey::new(hash(&[1; 32]).as_ref()),
&[prune_pubkey],
now,
now,
);
assert_eq!(res.err(), Some(CrdsGossipError::BadPruneDestination));
//correct dest
res = crds_gossip.process_prune_msg(&ci.id, &id, &[prune_pubkey], now, now);
res.unwrap();
//test timeout
let timeout = now + crds_gossip.push.prune_timeout * 2;
res = crds_gossip.process_prune_msg(&ci.id, &id, &[prune_pubkey], now, timeout);
assert_eq!(res.err(), Some(CrdsGossipError::PruneMessageTimeout));
}