Postgres example storage

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Igor Katson 2024-08-15 13:31:56 +01:00
parent 9d394116c0
commit f22814c77b
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6 changed files with 748 additions and 24 deletions

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Cargo.lock generated
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@ -24,6 +24,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"futures-channel",
"futures-core",
"futures-io",
"futures-util",
"generic-array 0.14.7",
"hex 0.4.3",
"hkdf",
"hmac",
"itoa",
"log",
"md-5",
"memchr",
"once_cell",
"percent-encoding",
"rand",
"rsa",
"serde",
"sha1",
"sha2",
"smallvec",
"sqlx-core",
"stringprep",
"thiserror",
"tracing",
"whoami",
]
[[package]]
name = "sqlx-postgres"
version = "0.7.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7c824eb80b894f926f89a0b9da0c7f435d27cdd35b8c655b114e58223918577e"
dependencies = [
"atoi",
"base64 0.21.7",
"bitflags 2.6.0",
"byteorder",
"crc",
"dotenvy",
"etcetera",
"futures-channel",
"futures-core",
"futures-io",
"futures-util",
"hex 0.4.3",
"hkdf",
"hmac",
"home",
"itoa",
"log",
"md-5",
"memchr",
"once_cell",
"rand",
"serde",
"serde_json",
"sha2",
"smallvec",
"sqlx-core",
"stringprep",
"thiserror",
"tracing",
"whoami",
]
[[package]]
name = "sqlx-sqlite"
version = "0.7.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b244ef0a8414da0bed4bb1910426e890b19e5e9bccc27ada6b797d05c55ae0aa"
dependencies = [
"atoi",
"flume",
"futures-channel",
"futures-core",
"futures-executor",
"futures-intrusive",
"futures-util",
"libsqlite3-sys",
"log",
"percent-encoding",
"serde",
"sqlx-core",
"tracing",
"url",
"urlencoding",
]
[[package]]
name = "stringprep"
version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7b4df3d392d81bd458a8a621b8bffbd2302a12ffe288a9d931670948749463b1"
dependencies = [
"unicode-bidi",
"unicode-normalization",
"unicode-properties",
]
[[package]]
name = "strsim"
@ -2503,6 +3015,17 @@ version = "2.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
[[package]]
name = "syn"
version = "1.0.109"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
dependencies = [
"proc-macro2",
"quote",
"unicode-ident",
]
[[package]]
name = "syn"
version = "2.0.72"
@ -2583,7 +3106,7 @@ checksum = "a4558b58466b9ad7ca0f102865eccc95938dca1a74a856f2b57b6629050da261"
dependencies = [
"proc-macro2",
"quote",
"syn",
"syn 2.0.72",
]
[[package]]
@ -2687,7 +3210,7 @@ checksum = "693d596312e88961bc67d7f1f97af8a70227d9f90c31bba5806eec004978d752"
dependencies = [
"proc-macro2",
"quote",
"syn",
"syn 2.0.72",
]
[[package]]
@ -2857,7 +3380,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
dependencies = [
"proc-macro2",
"quote",
"syn",
"syn 2.0.72",
]
[[package]]
@ -2954,6 +3477,24 @@ dependencies = [
"tinyvec",
]
[[package]]
name = "unicode-properties"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e4259d9d4425d9f0661581b804cb85fe66a4c631cadd8f490d1c13a35d5d9291"
[[package]]
name = "unicode-segmentation"
version = "1.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d4c87d22b6e3f4a18d4d40ef354e97c90fcb14dd91d7dc0aa9d8a1172ebf7202"
[[package]]
name = "unicode_categories"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "39ec24b3121d976906ece63c9daad25b85969647682eee313cb5779fdd69e14e"
[[package]]
name = "untrusted"
version = "0.9.0"
@ -3025,6 +3566,12 @@ version = "0.11.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
[[package]]
name = "wasite"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b8dad83b4f25e74f184f64c43b150b91efe7647395b42289f38e50566d82855b"
[[package]]
name = "wasm-bindgen"
version = "0.2.92"
@ -3046,7 +3593,7 @@ dependencies = [
"once_cell",
"proc-macro2",
"quote",
"syn",
"syn 2.0.72",
"wasm-bindgen-shared",
]
@ -3080,7 +3627,7 @@ checksum = "e94f17b526d0a461a191c78ea52bbce64071ed5c04c9ffe424dcb38f74171bb7"
dependencies = [
"proc-macro2",
"quote",
"syn",
"syn 2.0.72",
"wasm-bindgen-backend",
"wasm-bindgen-shared",
]
@ -3110,6 +3657,16 @@ dependencies = [
"rustls-pki-types",
]
[[package]]
name = "whoami"
version = "1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a44ab49fad634e88f55bf8f9bb3abd2f27d7204172a112c7c9987e01c1c94ea9"
dependencies = [
"redox_syscall 0.4.1",
"wasite",
]
[[package]]
name = "winapi"
version = "0.3.9"
@ -3323,7 +3880,7 @@ checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
dependencies = [
"proc-macro2",
"quote",
"syn",
"syn 2.0.72",
]
[[package]]

View file

@ -21,6 +21,7 @@ storage_middleware = ["lru"]
storage_examples = []
[dependencies]
sqlx = { version = "0.7", features = ["runtime-tokio", "postgres"] }
bencode = { path = "../bencode", default-features = false, package = "librqbit-bencode", version = "2.2.3" }
tracker_comms = { path = "../tracker_comms", default-features = false, package = "librqbit-tracker-comms", version = "1.0.3" }
buffers = { path = "../buffers", package = "librqbit-buffers", version = "3.0.1" }

View file

@ -1,4 +1,6 @@
pub mod json;
// #[cfg(feature = "postgres")]
pub mod postgres;
use std::{collections::HashSet, path::PathBuf};

View file

@ -0,0 +1,164 @@
use std::{path::PathBuf, str::FromStr};
use crate::{session::TorrentId, torrent_state::ManagedTorrentHandle};
use anyhow::Context;
use futures::{stream::BoxStream, StreamExt};
use librqbit_core::Id20;
use sqlx::{Pool, Postgres};
use super::{SerializedTorrent, SessionPersistenceStore};
#[derive(Debug)]
pub struct PostgresSessionStorage {
pool: Pool<Postgres>,
}
#[derive(sqlx::FromRow)]
struct TorrentsTableRecord {
id: i32,
info_hash: String,
torrent_bytes: Vec<u8>,
trackers: Vec<String>,
output_folder: String,
only_files: Option<Vec<i32>>,
is_paused: bool,
}
impl TorrentsTableRecord {
fn into_serialized_torrent(self) -> Option<(TorrentId, SerializedTorrent)> {
Some((
self.id as TorrentId,
SerializedTorrent {
info_hash: Id20::from_str(&self.info_hash).ok()?,
torrent_bytes: self.torrent_bytes.into(),
trackers: self.trackers.into_iter().collect(),
output_folder: PathBuf::from(self.output_folder),
only_files: self
.only_files
.map(|v| v.into_iter().map(|v| v as usize).collect()),
is_paused: self.is_paused,
},
))
}
}
impl PostgresSessionStorage {
pub async fn new(connection_string: &str) -> anyhow::Result<Self> {
use sqlx::postgres::PgPoolOptions;
let pool = PgPoolOptions::new()
.max_connections(1)
.connect(connection_string)
.await?;
sqlx::query(
"
CREATE SEQUENCE IF NOT EXISTS torrents_id;
CREATE TABLE IF NOT EXISTS torrents (
id INTEGER PRIMARY KEY DEFAULT nextval('torrents_id'),
info_hash BYTEA NOT NULL, -- Assuming the info_hash is unique and fits in 64 characters
torrent_bytes BYTEA NOT NULL,
trackers TEXT[] NOT NULL,
output_folder TEXT NOT NULL,
only_files INTEGER[], -- Nullable array of integers (usize in Rust is equivalent to integer)
is_paused BOOLEAN NOT NULL -- Boolean value to indicate if the torrent is paused
);
"
).execute(&pool).await?;
Ok(Self { pool })
}
}
#[async_trait::async_trait]
impl SessionPersistenceStore for PostgresSessionStorage {
async fn next_id(&self) -> anyhow::Result<TorrentId> {
let (id,): (i32,) = sqlx::query_as("SELECT nextval('torrents_id')")
.fetch_one(&self.pool)
.await?;
Ok(id as usize)
}
async fn store(&self, id: TorrentId, torrent: &ManagedTorrentHandle) -> anyhow::Result<()> {
let torrent_bytes: &[u8] = &torrent.info().torrent_bytes;
let q = "
INSERT INTO torrents (id, info_hash, torrent_bytes, trackers, output_folder, only_files, is_paused)
VALUES(?, ?, ?, ?, ?, ?, ?)
ON CONFLICT(id) DO NOTHING
";
sqlx::query(q)
.bind::<i32>(id.try_into()?)
.bind(torrent.info_hash().as_string())
.bind(torrent_bytes)
.bind(torrent.info().trackers.iter().cloned().collect::<Vec<_>>())
.bind(
torrent
.info()
.options
.output_folder
.to_str()
.context("output_folder")?
.to_owned(),
)
.bind(torrent.only_files().map(|o| {
o.into_iter()
.filter_map(|o| o.try_into().ok())
.collect::<Vec<i32>>()
}))
.bind(torrent.is_paused())
.execute(&self.pool)
.await?;
Ok(())
}
async fn delete(&self, id: TorrentId) -> anyhow::Result<()> {
sqlx::query("DELETE * FROM torrents WHERE id = ?")
.bind::<i32>(id.try_into()?)
.execute(&self.pool)
.await?;
Ok(())
}
async fn get(&self, id: TorrentId) -> anyhow::Result<SerializedTorrent> {
let row = sqlx::query_as::<_, TorrentsTableRecord>("SELECT * FROM torrents WHERE id = ?")
.bind::<i32>(id.try_into()?)
.fetch_one(&self.pool)
.await?;
row.into_serialized_torrent()
.context("bug")
.map(|(_, st)| st)
}
async fn update_metadata(
&self,
id: TorrentId,
torrent: &ManagedTorrentHandle,
) -> anyhow::Result<()> {
sqlx::query("UPDATE torrents SET only_files = ?, paused = ? WHERE id = ?")
.bind(torrent.only_files().map(|v| {
v.into_iter()
.filter_map(|f| f.try_into().ok())
.collect::<Vec<i32>>()
}))
.bind(torrent.is_paused())
.bind::<i32>(id.try_into()?)
.execute(&self.pool)
.await?;
Ok(())
}
async fn stream_all(
&self,
) -> anyhow::Result<BoxStream<'_, anyhow::Result<(TorrentId, SerializedTorrent)>>> {
let res = futures::stream::iter(
sqlx::query_as::<_, TorrentsTableRecord>("SELECT * FROM torrents")
.fetch_all(&self.pool)
.await?
.into_iter()
.filter_map(TorrentsTableRecord::into_serialized_torrent)
.map(Ok),
);
Ok(res.boxed())
}
}

View file

@ -350,6 +350,10 @@ impl ManagedTorrent {
}
}
pub fn is_paused(&self) -> bool {
self.with_state(|s| matches!(s, ManagedTorrentState::Paused(..)))
}
/// Pause the torrent if it's live.
pub(crate) fn pause(&self) -> anyhow::Result<()> {
let mut g = self.locked.write();

View file

@ -81,11 +81,7 @@ impl<const N: usize> FromStr for Id<N> {
Ok(Id(out))
}
Err(err) => {
anyhow::bail!(
"fail to decode base32 string {}: {}",
s,
err
)
anyhow::bail!("fail to decode base32 string {}: {}", s, err)
}
}
} else {