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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license. | ||
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use deno_core::error::AnyError; | ||
use deno_runtime::code_cache; | ||
use deno_runtime::deno_webstorage::rusqlite::params; | ||
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use super::cache_db::CacheDB; | ||
use super::cache_db::CacheDBConfiguration; | ||
use super::cache_db::CacheFailure; | ||
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pub static CODE_CACHE_DB: CacheDBConfiguration = CacheDBConfiguration { | ||
table_initializer: "CREATE TABLE IF NOT EXISTS codecache ( | ||
specifier TEXT NOT NULL, | ||
type TEXT NOT NULL, | ||
data BLOB NOT NULL, | ||
PRIMARY KEY (specifier, type) | ||
);", | ||
on_version_change: "DELETE FROM codecache;", | ||
preheat_queries: &[], | ||
on_failure: CacheFailure::Blackhole, | ||
}; | ||
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#[derive(Clone)] | ||
pub struct CodeCache { | ||
inner: CodeCacheInner, | ||
} | ||
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impl CodeCache { | ||
pub fn new(db: CacheDB) -> Self { | ||
Self { | ||
inner: CodeCacheInner::new(db), | ||
} | ||
} | ||
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fn ensure_ok<T: Default>(res: Result<T, AnyError>) -> T { | ||
match res { | ||
Ok(x) => x, | ||
Err(err) => { | ||
// TODO(mmastrac): This behavior was inherited from before the refactoring but it probably makes sense to move it into the cache | ||
// at some point. | ||
// should never error here, but if it ever does don't fail | ||
if cfg!(debug_assertions) { | ||
panic!("Error using code cache: {err:#}"); | ||
} else { | ||
log::debug!("Error using code cache: {:#}", err); | ||
} | ||
T::default() | ||
} | ||
} | ||
} | ||
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pub fn get_sync( | ||
&self, | ||
specifier: &str, | ||
code_cache_type: code_cache::CodeCacheType, | ||
) -> Option<Vec<u8>> { | ||
Self::ensure_ok(self.inner.get_sync(specifier, code_cache_type)) | ||
} | ||
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pub fn set_sync( | ||
&self, | ||
specifier: &str, | ||
code_cache_type: code_cache::CodeCacheType, | ||
data: &[u8], | ||
) { | ||
Self::ensure_ok(self.inner.set_sync(specifier, code_cache_type, data)); | ||
} | ||
} | ||
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impl code_cache::CodeCache for CodeCache { | ||
fn get_sync( | ||
&self, | ||
specifier: &str, | ||
code_cache_type: code_cache::CodeCacheType, | ||
) -> Option<Vec<u8>> { | ||
self.get_sync(specifier, code_cache_type) | ||
} | ||
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fn set_sync( | ||
&self, | ||
specifier: &str, | ||
code_cache_type: code_cache::CodeCacheType, | ||
data: &[u8], | ||
) { | ||
self.set_sync(specifier, code_cache_type, data); | ||
} | ||
} | ||
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#[derive(Clone)] | ||
struct CodeCacheInner { | ||
conn: CacheDB, | ||
} | ||
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impl CodeCacheInner { | ||
pub fn new(conn: CacheDB) -> Self { | ||
Self { conn } | ||
} | ||
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pub fn get_sync( | ||
&self, | ||
specifier: &str, | ||
code_cache_type: code_cache::CodeCacheType, | ||
) -> Result<Option<Vec<u8>>, AnyError> { | ||
let query = " | ||
SELECT | ||
data | ||
FROM | ||
codecache | ||
WHERE | ||
specifier=?1 AND type=?2 | ||
LIMIT 1"; | ||
self.conn.query_row( | ||
query, | ||
params![specifier, code_cache_type.as_str()], | ||
|row| { | ||
let value: Vec<u8> = row.get(0)?; | ||
Ok(value) | ||
}, | ||
) | ||
} | ||
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pub fn set_sync( | ||
&self, | ||
specifier: &str, | ||
code_cache_type: code_cache::CodeCacheType, | ||
data: &[u8], | ||
) -> Result<(), AnyError> { | ||
let sql = " | ||
INSERT OR REPLACE INTO | ||
codecache (specifier, type, data) | ||
VALUES | ||
(?1, ?2, ?3)"; | ||
self | ||
.conn | ||
.execute(sql, params![specifier, code_cache_type.as_str(), data])?; | ||
Ok(()) | ||
} | ||
} | ||
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#[cfg(test)] | ||
mod test { | ||
use super::*; | ||
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#[test] | ||
pub fn end_to_end() { | ||
let conn = CacheDB::in_memory(&CODE_CACHE_DB, "1.0.0"); | ||
let cache = CodeCacheInner::new(conn); | ||
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assert!(cache | ||
.get_sync("file:///foo/bar.js", code_cache::CodeCacheType::EsModule) | ||
.unwrap() | ||
.is_none()); | ||
let data_esm = vec![1, 2, 3]; | ||
cache | ||
.set_sync( | ||
"file:///foo/bar.js", | ||
code_cache::CodeCacheType::EsModule, | ||
&data_esm, | ||
) | ||
.unwrap(); | ||
assert_eq!( | ||
cache | ||
.get_sync("file:///foo/bar.js", code_cache::CodeCacheType::EsModule) | ||
.unwrap() | ||
.unwrap(), | ||
data_esm | ||
); | ||
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assert!(cache | ||
.get_sync("file:///foo/bar.js", code_cache::CodeCacheType::Script) | ||
.unwrap() | ||
.is_none()); | ||
let data_script = vec![1, 2, 3]; | ||
cache | ||
.set_sync( | ||
"file:///foo/bar.js", | ||
code_cache::CodeCacheType::Script, | ||
&data_script, | ||
) | ||
.unwrap(); | ||
assert_eq!( | ||
cache | ||
.get_sync("file:///foo/bar.js", code_cache::CodeCacheType::Script) | ||
.unwrap() | ||
.unwrap(), | ||
data_script | ||
); | ||
assert_eq!( | ||
cache | ||
.get_sync("file:///foo/bar.js", code_cache::CodeCacheType::EsModule) | ||
.unwrap() | ||
.unwrap(), | ||
data_esm | ||
); | ||
} | ||
} |
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