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https://github.com/denoland/deno.git
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43 lines
1.2 KiB
Rust
43 lines
1.2 KiB
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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use super::dispatch_json::{Deserialize, Value};
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use crate::state::State;
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use deno_core::CoreIsolate;
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use deno_core::ErrBox;
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use deno_core::ResourceTable;
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use deno_core::ZeroCopyBuf;
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use std::rc::Rc;
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pub fn init(i: &mut CoreIsolate, s: &Rc<State>) {
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let t = &CoreIsolate::state(i).borrow().resource_table.clone();
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i.register_op("op_resources", s.stateful_json_op_sync(t, op_resources));
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i.register_op("op_close", s.stateful_json_op_sync(t, op_close));
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}
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fn op_resources(
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_state: &State,
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resource_table: &mut ResourceTable,
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_args: Value,
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_zero_copy: &mut [ZeroCopyBuf],
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) -> Result<Value, ErrBox> {
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let serialized_resources = resource_table.entries();
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Ok(json!(serialized_resources))
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}
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/// op_close removes a resource from the resource table.
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fn op_close(
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_state: &State,
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resource_table: &mut ResourceTable,
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args: Value,
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_zero_copy: &mut [ZeroCopyBuf],
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) -> Result<Value, ErrBox> {
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#[derive(Deserialize)]
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struct CloseArgs {
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rid: i32,
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}
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let args: CloseArgs = serde_json::from_value(args)?;
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resource_table
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.close(args.rid as u32)
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.ok_or_else(ErrBox::bad_resource_id)?;
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Ok(json!({}))
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}
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