udp: reorder code in swarm storage

This commit is contained in:
Joakim Frostegård 2023-12-10 12:13:56 +01:00
parent a873dddb89
commit cb39eb69c8

View file

@ -18,27 +18,146 @@ use rand::Rng;
use crate::common::*;
use crate::config::Config;
#[derive(Clone, Debug)]
struct Peer<I: Ip> {
ip_address: I,
port: Port,
is_seeder: bool,
valid_until: ValidUntil,
pub struct TorrentMaps {
pub ipv4: TorrentMap<Ipv4AddrBytes>,
pub ipv6: TorrentMap<Ipv6AddrBytes>,
}
impl<I: Ip> Peer<I> {
fn to_response_peer(_: &PeerId, peer: &Self) -> ResponsePeer<I> {
ResponsePeer {
ip_address: peer.ip_address,
port: peer.port,
impl Default for TorrentMaps {
fn default() -> Self {
Self {
ipv4: TorrentMap(Default::default()),
ipv6: TorrentMap(Default::default()),
}
}
}
type PeerMap<I> = IndexMap<PeerId, Peer<I>>;
impl TorrentMaps {
/// Remove forbidden or inactive torrents, reclaim space and update statistics
pub fn clean_and_update_statistics(
&mut self,
config: &Config,
state: &State,
statistics_sender: &Sender<StatisticsMessage>,
access_list: &Arc<AccessListArcSwap>,
server_start_instant: ServerStartInstant,
worker_index: SwarmWorkerIndex,
) {
let mut cache = create_access_list_cache(access_list);
let mode = config.access_list.mode;
let now = server_start_instant.seconds_elapsed();
let ipv4 =
self.ipv4
.clean_and_get_statistics(config, statistics_sender, &mut cache, mode, now);
let ipv6 =
self.ipv6
.clean_and_get_statistics(config, statistics_sender, &mut cache, mode, now);
if config.statistics.active() {
state.statistics_ipv4.peers[worker_index.0].store(ipv4.0, Ordering::Release);
state.statistics_ipv6.peers[worker_index.0].store(ipv6.0, Ordering::Release);
if let Some(message) = ipv4.1.map(StatisticsMessage::Ipv4PeerHistogram) {
if let Err(err) = statistics_sender.try_send(message) {
::log::error!("couldn't send statistics message: {:#}", err);
}
}
if let Some(message) = ipv6.1.map(StatisticsMessage::Ipv6PeerHistogram) {
if let Err(err) = statistics_sender.try_send(message) {
::log::error!("couldn't send statistics message: {:#}", err);
}
}
}
}
}
#[derive(Default)]
pub struct TorrentMap<I: Ip>(pub IndexMap<InfoHash, TorrentData<I>>);
impl<I: Ip> TorrentMap<I> {
pub fn scrape(&mut self, request: PendingScrapeRequest, response: &mut PendingScrapeResponse) {
response.slab_key = request.slab_key;
let torrent_stats = request.info_hashes.into_iter().map(|(i, info_hash)| {
let stats = self
.0
.get(&info_hash)
.map(|torrent_data| torrent_data.scrape_statistics())
.unwrap_or_else(|| create_torrent_scrape_statistics(0, 0));
(i, stats)
});
response.torrent_stats.extend(torrent_stats);
}
/// Remove forbidden or inactive torrents, reclaim space and return number of remaining peers
fn clean_and_get_statistics(
&mut self,
config: &Config,
statistics_sender: &Sender<StatisticsMessage>,
access_list_cache: &mut AccessListCache,
access_list_mode: AccessListMode,
now: SecondsSinceServerStart,
) -> (usize, Option<Histogram<u64>>) {
let mut num_peers = 0;
let mut opt_histogram: Option<Histogram<u64>> = if config.statistics.torrent_peer_histograms
{
match Histogram::new(3) {
Ok(histogram) => Some(histogram),
Err(err) => {
::log::error!("Couldn't create peer histogram: {:#}", err);
None
}
}
} else {
None
};
self.0.retain(|info_hash, torrent| {
if !access_list_cache
.load()
.allows(access_list_mode, &info_hash.0)
{
return false;
}
torrent.clean(config, statistics_sender, now);
num_peers += torrent.peers.len();
match opt_histogram {
Some(ref mut histogram) if torrent.peers.len() != 0 => {
let n = torrent
.peers
.len()
.try_into()
.expect("Couldn't fit usize into u64");
if let Err(err) = histogram.record(n) {
::log::error!("Couldn't record {} to histogram: {:#}", n, err);
}
}
_ => (),
}
!torrent.peers.is_empty()
});
self.0.shrink_to_fit();
(num_peers, opt_histogram)
}
pub fn num_torrents(&self) -> usize {
self.0.len()
}
}
pub struct TorrentData<I: Ip> {
peers: PeerMap<I>,
peers: IndexMap<PeerId, Peer<I>>,
num_seeders: usize,
}
@ -195,143 +314,23 @@ impl<I: Ip> Default for TorrentData<I> {
}
}
#[derive(Default)]
pub struct TorrentMap<I: Ip>(pub IndexMap<InfoHash, TorrentData<I>>);
impl<I: Ip> TorrentMap<I> {
pub fn scrape(&mut self, request: PendingScrapeRequest, response: &mut PendingScrapeResponse) {
response.slab_key = request.slab_key;
let torrent_stats = request.info_hashes.into_iter().map(|(i, info_hash)| {
let stats = self
.0
.get(&info_hash)
.map(|torrent_data| torrent_data.scrape_statistics())
.unwrap_or_else(|| create_torrent_scrape_statistics(0, 0));
(i, stats)
});
response.torrent_stats.extend(torrent_stats);
}
/// Remove forbidden or inactive torrents, reclaim space and return number of remaining peers
fn clean_and_get_statistics(
&mut self,
config: &Config,
statistics_sender: &Sender<StatisticsMessage>,
access_list_cache: &mut AccessListCache,
access_list_mode: AccessListMode,
now: SecondsSinceServerStart,
) -> (usize, Option<Histogram<u64>>) {
let mut num_peers = 0;
let mut opt_histogram: Option<Histogram<u64>> = if config.statistics.torrent_peer_histograms
{
match Histogram::new(3) {
Ok(histogram) => Some(histogram),
Err(err) => {
::log::error!("Couldn't create peer histogram: {:#}", err);
None
}
}
} else {
None
};
self.0.retain(|info_hash, torrent| {
if !access_list_cache
.load()
.allows(access_list_mode, &info_hash.0)
{
return false;
}
torrent.clean(config, statistics_sender, now);
num_peers += torrent.peers.len();
match opt_histogram {
Some(ref mut histogram) if torrent.peers.len() != 0 => {
let n = torrent
.peers
.len()
.try_into()
.expect("Couldn't fit usize into u64");
if let Err(err) = histogram.record(n) {
::log::error!("Couldn't record {} to histogram: {:#}", n, err);
}
}
_ => (),
}
!torrent.peers.is_empty()
});
self.0.shrink_to_fit();
(num_peers, opt_histogram)
}
pub fn num_torrents(&self) -> usize {
self.0.len()
}
#[derive(Clone, Debug)]
struct Peer<I: Ip> {
ip_address: I,
port: Port,
is_seeder: bool,
valid_until: ValidUntil,
}
pub struct TorrentMaps {
pub ipv4: TorrentMap<Ipv4AddrBytes>,
pub ipv6: TorrentMap<Ipv6AddrBytes>,
}
impl Default for TorrentMaps {
fn default() -> Self {
Self {
ipv4: TorrentMap(Default::default()),
ipv6: TorrentMap(Default::default()),
impl<I: Ip> Peer<I> {
fn to_response_peer(_: &PeerId, peer: &Self) -> ResponsePeer<I> {
ResponsePeer {
ip_address: peer.ip_address,
port: peer.port,
}
}
}
impl TorrentMaps {
/// Remove forbidden or inactive torrents, reclaim space and update statistics
pub fn clean_and_update_statistics(
&mut self,
config: &Config,
state: &State,
statistics_sender: &Sender<StatisticsMessage>,
access_list: &Arc<AccessListArcSwap>,
server_start_instant: ServerStartInstant,
worker_index: SwarmWorkerIndex,
) {
let mut cache = create_access_list_cache(access_list);
let mode = config.access_list.mode;
let now = server_start_instant.seconds_elapsed();
let ipv4 =
self.ipv4
.clean_and_get_statistics(config, statistics_sender, &mut cache, mode, now);
let ipv6 =
self.ipv6
.clean_and_get_statistics(config, statistics_sender, &mut cache, mode, now);
if config.statistics.active() {
state.statistics_ipv4.peers[worker_index.0].store(ipv4.0, Ordering::Release);
state.statistics_ipv6.peers[worker_index.0].store(ipv6.0, Ordering::Release);
if let Some(message) = ipv4.1.map(StatisticsMessage::Ipv4PeerHistogram) {
if let Err(err) = statistics_sender.try_send(message) {
::log::error!("couldn't send statistics message: {:#}", err);
}
}
if let Some(message) = ipv6.1.map(StatisticsMessage::Ipv6PeerHistogram) {
if let Err(err) = statistics_sender.try_send(message) {
::log::error!("couldn't send statistics message: {:#}", err);
}
}
}
}
}
/// Extract response peers
///
/// If there are more peers in map than `max_num_peers_to_take`, do a random