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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
use super::dispatch_json::{Deserialize, JsonOp, Value};
use crate::op_error::OpError;
use crate::state::State;
use deno_core::CoreIsolate;
use deno_core::CoreIsolateState;
use deno_core::ZeroCopyBuf;
use std::rc::Rc;
pub fn init(i: &mut CoreIsolate, s: &Rc<State>) {
i.register_op("op_resources", s.stateful_json_op2(op_resources));
i.register_op("op_close", s.stateful_json_op2(op_close));
}
fn op_resources(
isolate_state: &mut CoreIsolateState,
_state: &Rc<State>,
_args: Value,
_zero_copy: &mut [ZeroCopyBuf],
) -> Result<JsonOp, OpError> {
let serialized_resources = isolate_state.resource_table.borrow().entries();
Ok(JsonOp::Sync(json!(serialized_resources)))
}
/// op_close removes a resource from the resource table.
fn op_close(
isolate_state: &mut CoreIsolateState,
_state: &Rc<State>,
args: Value,
_zero_copy: &mut [ZeroCopyBuf],
) -> Result<JsonOp, OpError> {
#[derive(Deserialize)]
struct CloseArgs {
rid: i32,
}
let args: CloseArgs = serde_json::from_value(args)?;
let mut resource_table = isolate_state.resource_table.borrow_mut();
resource_table
.close(args.rid as u32)
.ok_or_else(OpError::bad_resource_id)?;
Ok(JsonOp::Sync(json!({})))
}
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