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