[2/n] HUGE REFACTOR to suppor multiple states. Incomplete, broken

This commit is contained in:
Igor Katson 2023-11-24 12:44:36 +00:00
parent 739666ff88
commit d8538af25d
No known key found for this signature in database
GPG key ID: B4EC22B66D61A3F5
7 changed files with 394 additions and 369 deletions

View file

@ -76,6 +76,18 @@ impl ChunkTracker {
}
}
pub fn get_have_bytes(&self) -> u64 {
todo!()
}
pub fn get_needed_bytes(&self) -> u64 {
todo!()
}
pub fn get_lengths(&self) -> &Lengths {
&self.lengths
}
pub fn get_have_pieces(&self) -> &BF {
&self.have
}

View file

@ -1,262 +0,0 @@
use std::{
collections::HashSet,
fs::{File, OpenOptions},
net::SocketAddr,
path::{Path, PathBuf},
sync::Arc,
time::{Duration, Instant},
};
use anyhow::Context;
use bencode::from_bytes;
use buffers::ByteString;
use librqbit_core::{
id20::Id20, lengths::Lengths, peer_id::generate_peer_id, speed_estimator::SpeedEstimator,
torrent_metainfo::TorrentMetaV1Info,
};
use parking_lot::Mutex;
use reqwest::Url;
use sha1w::Sha1;
use size_format::SizeFormatterBinary as SF;
use tracing::{debug, info, span, warn, Level};
use crate::{
chunk_tracker::ChunkTracker,
file_ops::FileOps,
spawn_utils::{spawn, BlockingSpawner},
torrent_state::{ManagedTorrent, ManagedTorrentHandle, TorrentStateLive, TorrentStateOptions},
tracker_comms::{TrackerError, TrackerRequest, TrackerRequestEvent, TrackerResponse},
};
struct TorrentManager {
state: Arc<TorrentStateLive>,
#[allow(dead_code)]
speed_estimator: Arc<SpeedEstimator>,
trackers: Mutex<HashSet<Url>>,
options: TorrentManagerOptions,
}
fn make_lengths<ByteBuf: AsRef<[u8]>>(
torrent: &TorrentMetaV1Info<ByteBuf>,
) -> anyhow::Result<Lengths> {
let total_length = torrent.iter_file_lengths()?.sum();
Lengths::new(total_length, torrent.piece_length, None)
}
fn ensure_file_length(file: &File, length: u64) -> anyhow::Result<()> {
Ok(file.set_len(length)?)
}
impl TorrentManager {
fn start<P: AsRef<Path>>(
info: TorrentMetaV1Info<ByteString>,
info_hash: Id20,
out: P,
spawner: BlockingSpawner,
options: Option<ManagedTorrentOptions>,
) -> anyhow::Result<ManagedTorrentHandle> {
let options = options.unwrap_or_default();
let (files, filenames) = {
let mut files =
Vec::<Arc<Mutex<File>>>::with_capacity(info.iter_file_lengths()?.count());
let mut filenames = Vec::new();
for (path_bits, _) in info.iter_filenames_and_lengths()? {
let mut full_path = out.as_ref().to_owned();
let relative_path = path_bits
.to_pathbuf()
.context("error converting file to path")?;
full_path.push(relative_path);
std::fs::create_dir_all(full_path.parent().unwrap())?;
let file = if options.overwrite {
OpenOptions::new()
.create(true)
.read(true)
.write(true)
.open(&full_path)?
} else {
// TODO: create_new does not seem to work with read(true), so calling this twice.
OpenOptions::new()
.create_new(true)
.write(true)
.open(&full_path)
.with_context(|| format!("error creating {:?}", &full_path))?;
OpenOptions::new().read(true).write(true).open(&full_path)?
};
filenames.push(full_path);
files.push(Arc::new(Mutex::new(file)))
}
(files, filenames)
};
let peer_id = options.peer_id.unwrap_or_else(generate_peer_id);
let lengths = make_lengths(&info).context("unable to compute Lengths from torrent")?;
debug!("computed lengths: {:?}", &lengths);
info!("Doing initial checksum validation, this might take a while...");
let initial_check_results = spawner.spawn_block_in_place(|| {
FileOps::<Sha1>::new(&info, &files, &lengths)
.initial_check(options.only_files.as_deref())
})?;
info!(
"Initial check results: have {}, needed {}",
SF::new(initial_check_results.have_bytes),
SF::new(initial_check_results.needed_bytes)
);
spawner.spawn_block_in_place(|| {
for (idx, (file, (name, length))) in files
.iter()
.zip(info.iter_filenames_and_lengths().unwrap())
.enumerate()
{
if options
.only_files
.as_ref()
.map(|v| !v.contains(&idx))
.unwrap_or(false)
{
continue;
}
let now = Instant::now();
if let Err(err) = ensure_file_length(&file.lock(), length) {
warn!(
"Error setting length for file {:?} to {}: {:#?}",
name, length, err
);
} else {
debug!(
"Set length for file {:?} to {} in {:?}",
name,
SF::new(length),
now.elapsed()
);
}
}
});
let chunk_tracker = ChunkTracker::new(
initial_check_results.needed_pieces,
initial_check_results.have_pieces,
lengths,
);
#[allow(clippy::needless_update)]
let state_options = TorrentStateOptions {
peer_connect_timeout: options.peer_connect_timeout,
peer_read_write_timeout: options.peer_read_write_timeout,
..Default::default()
};
let state = TorrentStateLive::new(
info,
info_hash,
peer_id,
files,
filenames,
chunk_tracker,
lengths,
initial_check_results.have_bytes,
initial_check_results.needed_bytes,
spawner,
Some(state_options),
);
let estimator = Arc::new(SpeedEstimator::new(5));
let mgr = Arc::new(Self {
state,
speed_estimator: estimator.clone(),
trackers: Mutex::new(HashSet::new()),
options,
});
spawn(span!(Level::ERROR, "speed_estimator_updater"), {
let state = mgr.state.clone();
async move {
loop {
let stats = state.stats_snapshot();
let fetched = stats.fetched_bytes;
let needed = state.initially_needed();
// fetched can be too high in theory, so for safety make sure that it doesn't wrap around u64.
let remaining = needed
.wrapping_sub(fetched)
.min(needed - stats.downloaded_and_checked_bytes);
estimator.add_snapshot(fetched, remaining, Instant::now());
tokio::time::sleep(Duration::from_secs(1)).await;
}
}
});
Ok(mgr.into_handle())
}
fn into_handle(self: Arc<Self>) -> TorrentManagerHandle {
TorrentManagerHandle { manager: self }
}
async fn tracker_one_request(&self, tracker_url: Url) -> anyhow::Result<u64> {
let response: reqwest::Response = reqwest::get(tracker_url).await?;
if !response.status().is_success() {
anyhow::bail!("tracker responded with {:?}", response.status());
}
let bytes = response.bytes().await?;
if let Ok(error) = from_bytes::<TrackerError>(&bytes) {
anyhow::bail!(
"tracker returned failure. Failure reason: {}",
error.failure_reason
)
};
let response = from_bytes::<TrackerResponse>(&bytes)?;
for peer in response.peers.iter_sockaddrs() {
self.state.add_peer_if_not_seen(peer);
}
Ok(response.interval)
}
async fn single_tracker_monitor(&self, mut tracker_url: Url) -> anyhow::Result<()> {
let mut event = Some(TrackerRequestEvent::Started);
loop {
let request = TrackerRequest {
info_hash: self.state.info_hash(),
peer_id: self.state.peer_id(),
port: 6778,
uploaded: self.state.get_uploaded_bytes(),
downloaded: self.state.get_downloaded_bytes(),
left: self.state.get_left_to_download_bytes(),
compact: true,
no_peer_id: false,
event,
ip: None,
numwant: None,
key: None,
trackerid: None,
};
let request_query = request.as_querystring();
tracker_url.set_query(Some(&request_query));
match self.tracker_one_request(tracker_url.clone()).await {
Ok(interval) => {
event = None;
let interval = self
.options
.force_tracker_interval
.unwrap_or_else(|| Duration::from_secs(interval));
debug!(
"sleeping for {:?} after calling tracker {}",
interval,
tracker_url.host().unwrap()
);
tokio::time::sleep(interval).await;
}
Err(e) => {
debug!("error calling the tracker {}: {:#}", tracker_url, e);
tokio::time::sleep(Duration::from_secs(60)).await;
}
};
}
}
}

View file

@ -0,0 +1,157 @@
use std::{
collections::HashSet,
fs::{File, OpenOptions},
net::SocketAddr,
path::{Path, PathBuf},
sync::Arc,
time::{Duration, Instant},
};
use anyhow::Context;
use bencode::from_bytes;
use buffers::ByteString;
use librqbit_core::{
id20::Id20, lengths::Lengths, peer_id::generate_peer_id, speed_estimator::SpeedEstimator,
torrent_metainfo::TorrentMetaV1Info,
};
use parking_lot::Mutex;
use reqwest::Url;
use sha1w::Sha1;
use size_format::SizeFormatterBinary as SF;
use tracing::{debug, info, span, warn, Level};
use crate::{
chunk_tracker::ChunkTracker,
file_ops::FileOps,
spawn_utils::{spawn, BlockingSpawner},
torrent_state::{ManagedTorrent, ManagedTorrentHandle, TorrentStateLive, TorrentStateOptions},
tracker_comms::{TrackerError, TrackerRequest, TrackerRequestEvent, TrackerResponse},
};
use super::{paused::TorrentStatePaused, ManagedTorrentInfo};
fn make_lengths<ByteBuf: AsRef<[u8]>>(
torrent: &TorrentMetaV1Info<ByteBuf>,
) -> anyhow::Result<Lengths> {
let total_length = torrent.iter_file_lengths()?.sum();
Lengths::new(total_length, torrent.piece_length, None)
}
fn ensure_file_length(file: &File, length: u64) -> anyhow::Result<()> {
Ok(file.set_len(length)?)
}
pub struct TorrentStateInitializing {
info: Arc<ManagedTorrentInfo>,
only_files: Option<Vec<usize>>,
}
impl TorrentStateInitializing {
pub fn new(info: Arc<ManagedTorrentInfo>, only_files: Option<Vec<usize>>) -> Self {
Self { info, only_files }
}
pub async fn check(&self) -> anyhow::Result<TorrentStatePaused> {
let (files, filenames) = {
let mut files = Vec::<Arc<Mutex<File>>>::with_capacity(
(&self.info).info.iter_file_lengths()?.count(),
);
let mut filenames = Vec::new();
for (path_bits, _) in (&self.info).info.iter_filenames_and_lengths()? {
let mut full_path = (&self.info).out_dir.clone();
let relative_path = path_bits
.to_pathbuf()
.context("error converting file to path")?;
full_path.push(relative_path);
std::fs::create_dir_all(full_path.parent().unwrap())?;
let file = if (&self.info).options.overwrite {
OpenOptions::new()
.create(true)
.read(true)
.write(true)
.open(&full_path)?
} else {
// TODO: create_new does not seem to work with read(true), so calling this twice.
OpenOptions::new()
.create_new(true)
.write(true)
.open(&full_path)
.with_context(|| format!("error creating {:?}", &full_path))?;
OpenOptions::new().read(true).write(true).open(&full_path)?
};
filenames.push(full_path);
files.push(Arc::new(Mutex::new(file)))
}
(files, filenames)
};
let lengths =
make_lengths(&(&self.info).info).context("unable to compute Lengths from torrent")?;
debug!("computed lengths: {:?}", &lengths);
info!("Doing initial checksum validation, this might take a while...");
let initial_check_results = (&self.info).spawner.spawn_block_in_place(|| {
FileOps::<Sha1>::new(&(&self.info).info, &files, &lengths)
.initial_check(self.only_files.as_deref())
})?;
info!(
"Initial check results: have {}, needed {}",
SF::new(initial_check_results.have_bytes),
SF::new(initial_check_results.needed_bytes)
);
(&self.info).spawner.spawn_block_in_place(|| {
for (idx, (file, (name, length))) in files
.iter()
.zip((&self.info).info.iter_filenames_and_lengths().unwrap())
.enumerate()
{
if self
.only_files
.as_ref()
.map(|v| !v.contains(&idx))
.unwrap_or(false)
{
continue;
}
let now = Instant::now();
if let Err(err) = ensure_file_length(&file.lock(), length) {
warn!(
"Error setting length for file {:?} to {}: {:#?}",
name, length, err
);
} else {
debug!(
"Set length for file {:?} to {} in {:?}",
name,
SF::new(length),
now.elapsed()
);
}
}
});
let chunk_tracker = ChunkTracker::new(
initial_check_results.needed_pieces,
initial_check_results.have_pieces,
lengths,
);
#[allow(clippy::needless_update)]
let state_options = TorrentStateOptions {
peer_connect_timeout: (&self.info).options.peer_connect_timeout,
peer_read_write_timeout: (&self.info).options.peer_read_write_timeout,
..Default::default()
};
let paused = TorrentStatePaused {
info: self.info.clone(),
files,
filenames,
chunk_tracker,
};
Ok(paused)
}
}

View file

@ -57,12 +57,13 @@ use std::{
use anyhow::{bail, Context};
use backoff::backoff::Backoff;
use bencode::from_bytes;
use buffers::{ByteBuf, ByteString};
use clone_to_owned::CloneToOwned;
use futures::{stream::FuturesUnordered, StreamExt};
use librqbit_core::{
id20::Id20,
lengths::{ChunkInfo, Lengths, ValidPieceIndex},
lengths::{self, ChunkInfo, Lengths, ValidPieceIndex},
speed_estimator::{self, SpeedEstimator},
torrent_metainfo::TorrentMetaV1Info,
};
@ -78,7 +79,8 @@ use tokio::{
},
time::timeout,
};
use tracing::{debug, error, info, span, trace, warn, Level};
use tracing::{debug, error, info, span, trace, trace_span, warn, Level};
use url::Url;
use crate::{
chunk_tracker::{ChunkMarkingResult, ChunkTracker},
@ -87,6 +89,7 @@ use crate::{
PeerConnection, PeerConnectionHandler, PeerConnectionOptions, WriterRequest,
},
spawn_utils::{spawn, BlockingSpawner},
tracker_comms::{TrackerError, TrackerRequest, TrackerRequestEvent, TrackerResponse},
type_aliases::{PeerHandle, BF},
};
@ -102,7 +105,11 @@ use self::{
stats::{atomic::AtomicStats, snapshot::StatsSnapshot},
};
use super::utils::{timeit, TimedExistence};
use super::{
paused::TorrentStatePaused,
utils::{timeit, TimedExistence},
ManagedTorrentInfo,
};
struct InflightPiece {
peer: PeerHandle,
@ -126,17 +133,17 @@ pub struct TorrentStateOptions {
pub struct TorrentStateLive {
peers: PeerStates,
info: TorrentMetaV1Info<ByteString>,
meta: Arc<ManagedTorrentInfo>,
locked: Arc<RwLock<TorrentStateLocked>>,
files: Vec<Arc<Mutex<File>>>,
filenames: Vec<PathBuf>,
info_hash: Id20,
peer_id: Id20,
lengths: Lengths,
// TODO: why the hell do we need these here, remove it.
needed_bytes: u64,
have_plus_needed_bytes: u64,
stats: AtomicStats,
options: TorrentStateOptions,
lengths: Lengths,
// Limits how many active (occupying network resources) peers there are at a moment in time.
peer_semaphore: Semaphore,
@ -151,35 +158,24 @@ pub struct TorrentStateLive {
impl TorrentStateLive {
#[allow(clippy::too_many_arguments)]
pub(crate) fn new(
info: TorrentMetaV1Info<ByteString>,
info_hash: Id20,
peer_id: Id20,
files: Vec<Arc<Mutex<File>>>,
filenames: Vec<PathBuf>,
chunk_tracker: ChunkTracker,
lengths: Lengths,
have_bytes: u64,
needed_bytes: u64,
spawner: BlockingSpawner,
options: Option<TorrentStateOptions>,
) -> Arc<Self> {
let options = options.unwrap_or_default();
pub(crate) fn new(paused: TorrentStatePaused) -> Arc<Self> {
let (peer_queue_tx, peer_queue_rx) = unbounded_channel();
let speed_estimator = SpeedEstimator::new(5);
let have_bytes = paused.chunk_tracker.get_have_bytes();
let needed_bytes = paused.chunk_tracker.get_needed_bytes();
let lengths = paused.chunk_tracker.get_lengths().clone();
let state = Arc::new(TorrentStateLive {
info_hash,
info,
peer_id,
meta: paused.info.clone(),
peers: Default::default(),
locked: Arc::new(RwLock::new(TorrentStateLocked {
chunks: chunk_tracker,
chunks: paused.chunk_tracker,
inflight_pieces: Default::default(),
})),
files,
filenames,
files: paused.files,
filenames: paused.filenames,
stats: AtomicStats {
have_bytes: AtomicU64::new(have_bytes),
..Default::default()
@ -187,16 +183,42 @@ impl TorrentStateLive {
needed_bytes,
have_plus_needed_bytes: needed_bytes + have_bytes,
lengths,
options,
peer_semaphore: Semaphore::new(128),
peer_queue_tx,
finished_notify: Notify::new(),
speed_estimator,
});
for tracker in state.meta.trackers.iter() {
spawn(
trace_span!("tracker_monitor", url = tracker.to_string()),
state.clone().task_single_tracker_monitor(tracker.clone()),
);
}
spawn(span!(Level::ERROR, "speed_estimator_updater"), {
let state = state.clone();
async move {
loop {
let stats = state.stats_snapshot();
let fetched = stats.fetched_bytes;
let needed = state.initially_needed();
// fetched can be too high in theory, so for safety make sure that it doesn't wrap around u64.
let remaining = needed
.wrapping_sub(fetched)
.min(needed - stats.downloaded_and_checked_bytes);
state
.speed_estimator
.add_snapshot(fetched, remaining, Instant::now());
tokio::time::sleep(Duration::from_secs(1)).await;
}
}
});
spawn(
span!(Level::ERROR, "peer_adder"),
state.clone().task_peer_adder(peer_queue_rx, spawner),
state.clone().task_peer_adder(peer_queue_rx),
);
state
}
@ -205,11 +227,75 @@ impl TorrentStateLive {
&self.speed_estimator
}
async fn task_manage_peer(
async fn tracker_one_request(&self, tracker_url: Url) -> anyhow::Result<u64> {
let response: reqwest::Response = reqwest::get(tracker_url).await?;
if !response.status().is_success() {
anyhow::bail!("tracker responded with {:?}", response.status());
}
let bytes = response.bytes().await?;
if let Ok(error) = from_bytes::<TrackerError>(&bytes) {
anyhow::bail!(
"tracker returned failure. Failure reason: {}",
error.failure_reason
)
};
let response = from_bytes::<TrackerResponse>(&bytes)?;
for peer in response.peers.iter_sockaddrs() {
self.add_peer_if_not_seen(peer);
}
Ok(response.interval)
}
async fn task_single_tracker_monitor(
self: Arc<Self>,
addr: SocketAddr,
spawner: BlockingSpawner,
mut tracker_url: Url,
) -> anyhow::Result<()> {
let mut event = Some(TrackerRequestEvent::Started);
loop {
let request = TrackerRequest {
info_hash: self.info_hash(),
peer_id: self.peer_id(),
port: 6778,
uploaded: self.get_uploaded_bytes(),
downloaded: self.get_downloaded_bytes(),
left: self.get_left_to_download_bytes(),
compact: true,
no_peer_id: false,
event,
ip: None,
numwant: None,
key: None,
trackerid: None,
};
let request_query = request.as_querystring();
tracker_url.set_query(Some(&request_query));
match self.tracker_one_request(tracker_url.clone()).await {
Ok(interval) => {
event = None;
let interval = self
.meta
.options
.force_tracker_interval
.unwrap_or_else(|| Duration::from_secs(interval));
debug!(
"sleeping for {:?} after calling tracker {}",
interval,
tracker_url.host().unwrap()
);
tokio::time::sleep(interval).await;
}
Err(e) => {
debug!("error calling the tracker {}: {:#}", tracker_url, e);
tokio::time::sleep(Duration::from_secs(60)).await;
}
};
}
}
async fn task_manage_peer(self: Arc<Self>, addr: SocketAddr) -> anyhow::Result<()> {
let state = self;
let (rx, tx) = state.peers.mark_peer_connecting(addr)?;
@ -229,21 +315,20 @@ impl TorrentStateLive {
requests_sem: Semaphore::new(0),
state: state.clone(),
tx,
spawner,
counters,
};
let options = PeerConnectionOptions {
connect_timeout: state.options.peer_connect_timeout,
read_write_timeout: state.options.peer_read_write_timeout,
connect_timeout: state.meta.options.peer_connect_timeout,
read_write_timeout: state.meta.options.peer_read_write_timeout,
..Default::default()
};
let peer_connection = PeerConnection::new(
addr,
state.info_hash,
state.peer_id,
state.meta.info_hash,
state.meta.peer_id,
&handler,
Some(options),
spawner,
state.meta.spawner,
);
let requester = handler.task_peer_chunk_requester(addr);
@ -274,7 +359,6 @@ impl TorrentStateLive {
async fn task_peer_adder(
self: Arc<Self>,
mut peer_queue_rx: UnboundedReceiver<SocketAddr>,
spawner: BlockingSpawner,
) -> anyhow::Result<()> {
let state = self;
loop {
@ -289,22 +373,22 @@ impl TorrentStateLive {
permit.forget();
spawn(
span!(parent: None, Level::ERROR, "manage_peer", peer = addr.to_string()),
state.clone().task_manage_peer(addr, spawner),
state.clone().task_manage_peer(addr),
);
}
}
pub fn info(&self) -> &TorrentMetaV1Info<ByteString> {
&self.info
&self.meta.info
}
pub fn info_hash(&self) -> Id20 {
self.info_hash
self.meta.info_hash
}
pub fn peer_id(&self) -> Id20 {
self.peer_id
self.meta.peer_id
}
pub(crate) fn file_ops(&self) -> FileOps<'_, Sha1> {
FileOps::new(&self.info, &self.files, &self.lengths)
FileOps::new(&self.meta.info, &self.files, &self.lengths)
}
pub fn initially_needed(&self) -> u64 {
self.needed_bytes
@ -429,7 +513,7 @@ impl TorrentStateLive {
);
}
pub(crate) fn add_peer_if_not_seen(self: &Arc<Self>, addr: SocketAddr) -> bool {
pub(crate) fn add_peer_if_not_seen(&self, addr: SocketAddr) -> bool {
match self.peers.add_if_not_seen(addr) {
Some(handle) => handle,
None => return false,
@ -509,7 +593,6 @@ struct PeerHandler {
requests_sem: Semaphore,
addr: SocketAddr,
spawner: BlockingSpawner,
tx: PeerTx,
}
@ -1083,7 +1166,9 @@ impl PeerHandler {
// By this time we reach here, no other peer can for this piece. All others, even if they steal pieces would
// have fallen off above in one of the defensive checks.
self.spawner
self.state
.meta
.spawner
.spawn_block_in_place(move || {
let index = piece.index;

View file

@ -1,6 +1,7 @@
pub mod utils;
pub mod initializing;
pub mod live;
pub mod paused;
pub mod utils;
use std::net::SocketAddr;
use std::path::PathBuf;
@ -11,6 +12,7 @@ use std::{collections::HashSet, path::Path};
use anyhow::Context;
use buffers::ByteString;
use librqbit_core::id20::Id20;
use librqbit_core::peer_id::generate_peer_id;
use librqbit_core::speed_estimator::SpeedEstimator;
use librqbit_core::torrent_metainfo::TorrentMetaV1Info;
pub use live::*;
@ -21,32 +23,37 @@ use url::Url;
use crate::spawn_utils::{spawn, BlockingSpawner};
pub struct TorrentStateInitializing {}
use initializing::TorrentStateInitializing;
use self::paused::TorrentStatePaused;
#[derive(Default, Clone)]
pub enum ManagedTorrentState {
#[default]
Created,
Initializing(Arc<TorrentStateInitializing>),
// TODO: only_files_tx
// TODO: trackers_tx??
Initializing(TorrentStateInitializing),
Paused(TorrentStatePaused),
Live(Arc<TorrentStateLive>),
Error(anyhow::Error),
}
pub(crate) struct ManagedTorrentLocked {
pub only_files: Option<Vec<usize>>,
pub state: ManagedTorrentState,
}
#[derive(Default)]
pub(crate) struct ManagedTorrentOptions {
pub force_tracker_interval: Option<Duration>,
pub peer_connect_timeout: Option<Duration>,
pub peer_read_write_timeout: Option<Duration>,
pub overwrite: bool,
}
pub struct ManagedTorrentInfo {
pub info: TorrentMetaV1Info<ByteString>,
pub info_hash: Id20,
pub out_dir: PathBuf,
pub spawner: BlockingSpawner,
pub trackers: Vec<Url>,
// pub options: Option<ManagedTorrentOptions>,
pub peer_id: Id20,
pub(crate) options: ManagedTorrentOptions,
}
pub struct ManagedTorrent {
@ -68,11 +75,12 @@ impl ManagedTorrent {
}
pub fn only_files(&self) -> Option<Vec<usize>> {
self.locked.write().only_files.clone()
// self.locked.write().only_files.clone()
todo!()
}
pub fn state(&self) -> ManagedTorrentState {
self.locked.read().state.clone()
pub fn with_state<R>(&self, f: impl FnOnce(&ManagedTorrentState) -> R) -> R {
f(&self.locked.read().state)
}
pub fn live(&self) -> Option<Arc<TorrentStateLive>> {
@ -169,19 +177,26 @@ impl ManagedTorrentBuilder {
}
pub(crate) fn build(self) -> ManagedTorrentHandle {
let info = Arc::new(ManagedTorrentInfo {
info: self.info,
info_hash: self.info_hash,
out_dir: self.output_folder,
trackers: self.trackers.into_iter().collect(),
spawner: self.spawner.unwrap_or_default(),
peer_id: self.peer_id.unwrap_or_else(generate_peer_id),
options: ManagedTorrentOptions {
force_tracker_interval: self.force_tracker_interval,
peer_connect_timeout: self.peer_connect_timeout,
peer_read_write_timeout: self.peer_read_write_timeout,
overwrite: self.overwrite,
},
});
let initializing = TorrentStateInitializing::new(info.clone(), self.only_files);
Arc::new(ManagedTorrent {
locked: RwLock::new(ManagedTorrentLocked {
only_files: self.only_files,
state: Default::default(),
}),
info: Arc::new(ManagedTorrentInfo {
info: self.info,
info_hash: self.info_hash,
out_dir: self.output_folder,
trackers: self.trackers.into_iter().collect(),
spawner: self.spawner.unwrap_or_default(),
// options: Some(self.options),
state: ManagedTorrentState::Initializing(initializing),
}),
info,
})
}
}

View file

@ -0,0 +1,14 @@
use std::{fs::File, path::PathBuf, sync::Arc};
use parking_lot::Mutex;
use crate::chunk_tracker::ChunkTracker;
use super::ManagedTorrentInfo;
pub struct TorrentStatePaused {
pub(crate) info: Arc<ManagedTorrentInfo>,
pub(crate) files: Vec<Arc<Mutex<File>>>,
pub(crate) filenames: Vec<PathBuf>,
pub(crate) chunk_tracker: ChunkTracker,
}

View file

@ -239,39 +239,43 @@ async fn async_main(opts: Opts, spawner: BlockingSpawner) -> anyhow::Result<()>
loop {
session.with_torrents(|torrents| {
for (idx, torrent) in torrents.iter().enumerate() {
match torrent.state() {
ManagedTorrentState::Initializing(_) => {
info!("[{}] initializing", idx);
},
ManagedTorrentState::Live(handle) => {
let stats = handle.stats_snapshot();
let speed = handle.speed_estimator();
let total = stats.total_bytes;
let progress = stats.total_bytes - stats.remaining_bytes;
let downloaded_pct = if stats.remaining_bytes == 0 {
100f64
} else {
(progress as f64 / total as f64) * 100f64
};
info!(
"[{}]: {:.2}% ({:.2}), down speed {:.2} MiB/s, fetched {}, remaining {:.2} of {:.2}, uploaded {:.2}, peers: {{live: {}, connecting: {}, queued: {}, seen: {}, dead: {}}}",
idx,
downloaded_pct,
SF::new(progress),
speed.download_mbps(),
SF::new(stats.fetched_bytes),
SF::new(stats.remaining_bytes),
SF::new(total),
SF::new(stats.uploaded_bytes),
stats.peer_stats.live,
stats.peer_stats.connecting,
stats.peer_stats.queued,
stats.peer_stats.seen,
stats.peer_stats.dead,
);
},
ManagedTorrentState::Created => warn!("the torrent was just created, but not initializing"),
}
let live = torrent.with_state(|s| {
match s {
ManagedTorrentState::Initializing(_) => info!("[{}] initializing", idx),
ManagedTorrentState::Live(h) => return Some(h.clone()),
ManagedTorrentState::Error(_) | ManagedTorrentState::Paused(_) => {},
};
None
});
let handle = match live {
Some(live) => live,
None => continue
};
let stats = handle.stats_snapshot();
let speed = handle.speed_estimator();
let total = stats.total_bytes;
let progress = stats.total_bytes - stats.remaining_bytes;
let downloaded_pct = if stats.remaining_bytes == 0 {
100f64
} else {
(progress as f64 / total as f64) * 100f64
};
info!(
"[{}]: {:.2}% ({:.2}), down speed {:.2} MiB/s, fetched {}, remaining {:.2} of {:.2}, uploaded {:.2}, peers: {{live: {}, connecting: {}, queued: {}, seen: {}, dead: {}}}",
idx,
downloaded_pct,
SF::new(progress),
speed.download_mbps(),
SF::new(stats.fetched_bytes),
SF::new(stats.remaining_bytes),
SF::new(total),
SF::new(stats.uploaded_bytes),
stats.peer_stats.live,
stats.peer_stats.connecting,
stats.peer_stats.queued,
stats.peer_stats.seen,
stats.peer_stats.dead,
);
}
});
tokio::time::sleep(Duration::from_secs(1)).await;