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Code Issues Packages 1 Wiki Activity

Remove unstable native plugins (#10908)

Browse source 
This commit removes implementation of native plugins
alongside the unstable "Deno.openPlugin()" API.
This commit is contained in:
Bartek Iwańczuk 2021-07-02 16:11:23 +02:00 committed by GitHub
parent 2544ec9af4
commit 7dd4090c2a
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GPG key ID: 4AEE18F83AFDEB23
15 changed files with 4 additions and 487 deletions
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10
Cargo.lock generated
View file

@ -3564,16 +3564,6 @@ dependencies = [
"winapi-util",
]
[[package]]
name = "test_plugin"
version = "0.0.1"
dependencies = [
"deno_core",
"futures",
"serde",
"test_util",
]
[[package]]
name = "test_util"
version = "0.1.0"

1
Cargo.toml
View file

@ -6,7 +6,6 @@ members = [
"cli",
"core",
"runtime",
"test_plugin",
"test_util",
"extensions/broadcast_channel",
"extensions/console",

31
cli/dts/lib.deno.unstable.d.ts vendored
View file

@ -129,37 +129,6 @@ declare namespace Deno {
speed: number | undefined;
}
/** **UNSTABLE**: new API, yet to be vetted.
*
* Open and initialize a plugin.
*
* ```ts
* import { assert } from "https://deno.land/std/testing/asserts.ts";
* const rid = Deno.openPlugin("./path/to/some/plugin.so");
*
* // The Deno.core namespace is needed to interact with plugins, but this is
* // internal so we use ts-ignore to skip type checking these calls.
* // @ts-ignore
* const { op_test_sync, op_test_async } = Deno.core.ops();
*
* assert(op_test_sync);
* assert(op_test_async);
*
* // @ts-ignore
* const result = Deno.core.opSync("op_test_sync");
*
* // @ts-ignore
* const result = await Deno.core.opAsync("op_test_sync");
* ```
*
* Requires `allow-plugin` permission.
*
* The plugin system is not stable and will change in the future, hence the
* lack of docs. For now take a look at the example
* https://github.com/denoland/deno/tree/main/test_plugin
*/
export function openPlugin(filename: string): number;
/** The log category for a diagnostic message. */
export enum DiagnosticCategory {
Warning = 0,

8
cli/tests/integration/lsp_tests.rs
View file

@ -470,7 +470,7 @@ fn lsp_hover_unstable_enabled() {
"uri": "file:///a/file.ts",
"languageId": "typescript",
"version": 1,
"text": "console.log(Deno.openPlugin);\n"
"text": "console.log(Deno.ppid);\n"
}
}),
);
@ -495,9 +495,9 @@ fn lsp_hover_unstable_enabled() {
"contents":[
{
"language":"typescript",
"value":"function Deno.openPlugin(filename: string): number"
"value":"const Deno.ppid: number"
},
"**UNSTABLE**: new API, yet to be vetted.\n\nOpen and initialize a plugin.\n\n```ts\nimport { assert } from \"https://deno.land/std/testing/asserts.ts\";\nconst rid = Deno.openPlugin(\"./path/to/some/plugin.so\");\n\n// The Deno.core namespace is needed to interact with plugins, but this is\n// internal so we use ts-ignore to skip type checking these calls.\n// @ts-ignore\nconst { op_test_sync, op_test_async } = Deno.core.ops();\n\nassert(op_test_sync);\nassert(op_test_async);\n\n// @ts-ignore\nconst result = Deno.core.opSync(\"op_test_sync\");\n\n// @ts-ignore\nconst result = await Deno.core.opAsync(\"op_test_sync\");\n```\n\nRequires `allow-plugin` permission.\n\nThe plugin system is not stable and will change in the future, hence the\nlack of docs. For now take a look at the example\nhttps://github.com/denoland/deno/tree/main/test_plugin"
"The pid of the current process's parent."
],
"range":{
"start":{
@ -506,7 +506,7 @@ fn lsp_hover_unstable_enabled() {
},
"end":{
"line":0,
"character":27
"character":21
}
}
}))

16
runtime/js/40_plugins.js
View file

@ -1,16 +0,0 @@
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
"use strict";
((window) => {
const core = window.Deno.core;
function openPlugin(filename) {
const rid = core.opSync("op_open_plugin", filename);
core.syncOpsCache();
return rid;
}
window.__bootstrap.plugins = {
openPlugin,
};
})(this);

1
runtime/js/90_deno_ns.js
View file

@ -109,7 +109,6 @@
Signal: __bootstrap.signals.Signal,
SignalStream: __bootstrap.signals.SignalStream,
emit: __bootstrap.compilerApi.emit,
openPlugin: __bootstrap.plugins.openPlugin,
kill: __bootstrap.process.kill,
setRaw: __bootstrap.tty.setRaw,
consoleSize: __bootstrap.tty.consoleSize,

1
runtime/ops/mod.rs
View file

@ -5,7 +5,6 @@ pub mod fs_events;
pub mod io;
pub mod os;
pub mod permissions;
pub mod plugin;
pub mod process;
pub mod runtime;
pub mod signal;

86
runtime/ops/plugin.rs
View file

@ -1,86 +0,0 @@
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
use crate::permissions::Permissions;
use deno_core::error::AnyError;
use deno_core::op_sync;
use deno_core::Extension;
use deno_core::OpState;
use deno_core::Resource;
use deno_core::ResourceId;
use dlopen::symbor::Library;
use log::debug;
use std::borrow::Cow;
use std::mem;
use std::path::PathBuf;
use std::rc::Rc;
/// A default `init` function for plugins which mimics the way the internal
/// extensions are initalized. Plugins currently do not support all extension
/// features and are most likely not going to in the future. Currently only
/// `init_state` and `init_ops` are supported while `init_middleware` and `init_js`
/// are not. Currently the `PluginResource` does not support being closed due to
/// certain risks in unloading the dynamic library without unloading dependent
/// functions and resources.
pub type InitFn = fn() -> Extension;
pub fn init() -> Extension {
Extension::builder()
.ops(vec![("op_open_plugin", op_sync(op_open_plugin))])
.build()
}
pub fn op_open_plugin(
state: &mut OpState,
filename: String,
_: (),
) -> Result<ResourceId, AnyError> {
let filename = PathBuf::from(&filename);
super::check_unstable(state, "Deno.openPlugin");
let permissions = state.borrow_mut::<Permissions>();
permissions.plugin.check()?;
debug!("Loading Plugin: {:#?}", filename);
let plugin_lib = Library::open(filename).map(Rc::new)?;
let plugin_resource = PluginResource::new(&plugin_lib);
// Forgets the plugin_lib value to prevent segfaults when the process exits
mem::forget(plugin_lib);
let init = *unsafe { plugin_resource.0.symbol::<InitFn>("init") }?;
let rid = state.resource_table.add(plugin_resource);
let mut extension = init();
if !extension.init_js().is_empty() {
panic!("Plugins do not support loading js");
}
if extension.init_middleware().is_some() {
panic!("Plugins do not support middleware");
}
extension.init_state(state)?;
let ops = extension.init_ops().unwrap_or_default();
for (name, opfn) in ops {
state.op_table.register_op(name, opfn);
}
Ok(rid)
}
struct PluginResource(Rc<Library>);
impl Resource for PluginResource {
fn name(&self) -> Cow<str> {
"plugin".into()
}
fn close(self: Rc<Self>) {
unimplemented!();
}
}
impl PluginResource {
fn new(lib: &Rc<Library>) -> Self {
Self(lib.clone())
}
}

1
runtime/web_worker.rs
View file

@ -333,7 +333,6 @@ impl WebWorker {
deno_net::init::<Permissions>(options.unstable),
ops::os::init(),
ops::permissions::init(),
ops::plugin::init(),
ops::process::init(),
ops::signal::init(),
ops::tty::init(),

1
runtime/worker.rs
View file

@ -124,7 +124,6 @@ impl MainWorker {
deno_net::init::<Permissions>(options.unstable),
ops::os::init(),
ops::permissions::init(),
ops::plugin::init(),
ops::process::init(),
ops::signal::init(),
ops::tty::init(),

19
test_plugin/Cargo.toml
View file

@ -1,19 +0,0 @@
# Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
[package]
name = "test_plugin"
version = "0.0.1"
authors = ["the deno authors"]
edition = "2018"
publish = false
[lib]
crate-type = ["cdylib"]
[dependencies]
deno_core = { path = "../core" }
futures = "0.3.15"
serde = "1"
[dev-dependencies]
test_util = { path = "../test_util" }

9
test_plugin/README.md
View file

@ -1,9 +0,0 @@
# `test_plugin` crate
## To run this test manually
```
cd test_plugin
../target/debug/deno run --unstable --allow-plugin tests/test.js debug
```

114
test_plugin/src/lib.rs
View file

@ -1,114 +0,0 @@
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
use std::borrow::Cow;
use std::cell::RefCell;
use std::rc::Rc;
use deno_core::error::bad_resource_id;
use deno_core::error::AnyError;
use deno_core::op_async;
use deno_core::op_sync;
use deno_core::Extension;
use deno_core::OpState;
use deno_core::Resource;
use deno_core::ResourceId;
use deno_core::ZeroCopyBuf;
use serde::Deserialize;
#[no_mangle]
pub fn init() -> Extension {
Extension::builder()
.ops(vec![
("op_test_sync", op_sync(op_test_sync)),
("op_test_async", op_async(op_test_async)),
(
"op_test_resource_table_add",
op_sync(op_test_resource_table_add),
),
(
"op_test_resource_table_get",
op_sync(op_test_resource_table_get),
),
])
.build()
}
#[derive(Debug, Deserialize)]
struct TestArgs {
val: String,
}
fn op_test_sync(
_state: &mut OpState,
args: TestArgs,
zero_copy: Option<ZeroCopyBuf>,
) -> Result<String, AnyError> {
println!("Hello from sync plugin op.");
println!("args: {:?}", args);
if let Some(buf) = zero_copy {
let buf_str = std::str::from_utf8(&buf[..])?;
println!("zero_copy: {}", buf_str);
}
Ok("test".to_string())
}
async fn op_test_async(
_state: Rc<RefCell<OpState>>,
args: TestArgs,
zero_copy: Option<ZeroCopyBuf>,
) -> Result<String, AnyError> {
println!("Hello from async plugin op.");
println!("args: {:?}", args);
if let Some(buf) = zero_copy {
let buf_str = std::str::from_utf8(&buf[..])?;
println!("zero_copy: {}", buf_str);
}
let (tx, rx) = futures::channel::oneshot::channel::<Result<(), ()>>();
std::thread::spawn(move || {
std::thread::sleep(std::time::Duration::from_secs(1));
tx.send(Ok(())).unwrap();
});
assert!(rx.await.is_ok());
Ok("test".to_string())
}
struct TestResource(String);
impl Resource for TestResource {
fn name(&self) -> Cow<str> {
"TestResource".into()
}
}
fn op_test_resource_table_add(
state: &mut OpState,
text: String,
_: (),
) -> Result<u32, AnyError> {
println!("Hello from resource_table.add plugin op.");
Ok(state.resource_table.add(TestResource(text)))
}
fn op_test_resource_table_get(
state: &mut OpState,
rid: ResourceId,
_: (),
) -> Result<String, AnyError> {
println!("Hello from resource_table.get plugin op.");
Ok(
state
.resource_table
.get::<TestResource>(rid)
.ok_or_else(bad_resource_id)?
.0
.clone(),
)
}

58
test_plugin/tests/integration_tests.rs
View file

@ -1,58 +0,0 @@
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
use std::process::Command;
use test_util::deno_cmd;
#[cfg(debug_assertions)]
const BUILD_VARIANT: &str = "debug";
#[cfg(not(debug_assertions))]
const BUILD_VARIANT: &str = "release";
#[test]
fn basic() {
let mut build_plugin_base = Command::new("cargo");
let mut build_plugin =
build_plugin_base.arg("build").arg("-p").arg("test_plugin");
if BUILD_VARIANT == "release" {
build_plugin = build_plugin.arg("--release");
}
let build_plugin_output = build_plugin.output().unwrap();
assert!(build_plugin_output.status.success());
let output = deno_cmd()
.arg("run")
.arg("--allow-plugin")
.arg("--unstable")
.arg("tests/test.js")
.arg(BUILD_VARIANT)
.output()
.unwrap();
let stdout = std::str::from_utf8(&output.stdout).unwrap();
let stderr = std::str::from_utf8(&output.stderr).unwrap();
if !output.status.success() {
println!("stdout {}", stdout);
println!("stderr {}", stderr);
}
println!("{:?}", output.status);
assert!(output.status.success());
let expected = "\
Plugin rid: 3\n\
Hello from sync plugin op.\n\
args: TestArgs { val: \"1\" }\n\
zero_copy: test\n\
op_test_sync returned: test\n\
Hello from async plugin op.\n\
args: TestArgs { val: \"1\" }\n\
zero_copy: 123\n\
op_test_async returned: test\n\
Hello from resource_table.add plugin op.\n\
TestResource rid: 4\n\
Hello from resource_table.get plugin op.\n\
TestResource get value: hello plugin!\n\
Hello from sync plugin op.\n\
args: TestArgs { val: \"1\" }\n\
Ops completed count is correct!\n\
Ops dispatched count is correct!\n";
assert_eq!(stdout, expected);
assert_eq!(stderr, "");
}

135
test_plugin/tests/test.js
View file

@ -1,135 +0,0 @@
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
// deno-lint-ignore-file
const filenameBase = "test_plugin";
let filenameSuffix = ".so";
let filenamePrefix = "lib";
if (Deno.build.os === "windows") {
filenameSuffix = ".dll";
filenamePrefix = "";
} else if (Deno.build.os === "darwin") {
filenameSuffix = ".dylib";
}
const filename = `../target/${
Deno.args[0]
}/${filenamePrefix}${filenameBase}${filenameSuffix}`;
const resourcesPre = Deno.resources();
const pluginRid = Deno.openPlugin(filename);
console.log(`Plugin rid: ${pluginRid}`);
const {
op_test_sync,
op_test_async,
op_test_resource_table_add,
op_test_resource_table_get,
} = Deno.core.ops();
if (
op_test_sync === null ||
op_test_async === null ||
op_test_resource_table_add === null ||
op_test_resource_table_get === null
) {
throw new Error("Not all expected ops were registered");
}
function runTestSync() {
const result = Deno.core.opSync(
"op_test_sync",
{ val: "1" },
new Uint8Array([116, 101, 115, 116]),
);
console.log(`op_test_sync returned: ${result}`);
if (result !== "test") {
throw new Error("op_test_sync returned an unexpected value!");
}
}
async function runTestAsync() {
const promise = Deno.core.opAsync(
"op_test_async",
{ val: "1" },
new Uint8Array([49, 50, 51]),
);
if (!(promise instanceof Promise)) {
throw new Error("Expected promise!");
}
const result = await promise;
console.log(`op_test_async returned: ${result}`);
if (result !== "test") {
throw new Error("op_test_async promise resolved to an unexpected value!");
}
}
function runTestResourceTable() {
const expect = "hello plugin!";
const testRid = Deno.core.opSync("op_test_resource_table_add", expect);
console.log(`TestResource rid: ${testRid}`);
if (testRid === null || Deno.resources()[testRid] !== "TestResource") {
throw new Error("TestResource was not found!");
}
const testValue = Deno.core.opSync("op_test_resource_table_get", testRid);
console.log(`TestResource get value: ${testValue}`);
if (testValue !== expect) {
throw new Error("Did not get correct resource value!");
}
Deno.close(testRid);
}
function runTestOpCount() {
const start = Deno.metrics();
Deno.core.opSync("op_test_sync", { val: "1" });
const end = Deno.metrics();
if (end.opsCompleted - start.opsCompleted !== 1) {
throw new Error("The opsCompleted metric is not correct!");
}
console.log("Ops completed count is correct!");
if (end.opsDispatched - start.opsDispatched !== 1) {
throw new Error("The opsDispatched metric is not correct!");
}
console.log("Ops dispatched count is correct!");
}
function runTestPluginClose() {
// Closing does not yet work
Deno.close(pluginRid);
const resourcesPost = Deno.resources();
const preStr = JSON.stringify(resourcesPre, null, 2);
const postStr = JSON.stringify(resourcesPost, null, 2);
if (preStr !== postStr) {
throw new Error(
`Difference in open resources before openPlugin and after Plugin.close():
Before: ${preStr}
After: ${postStr}`,
);
}
console.log("Correct number of resources");
}
runTestSync();
await runTestAsync();
runTestResourceTable();
runTestOpCount();
// runTestPluginClose();