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