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https://github.com/denoland/deno.git
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41 lines
1.2 KiB
Rust
41 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, JsonOp, Value};
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use crate::op_error::OpError;
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use crate::state::State;
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use deno_core::CoreIsolate;
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use deno_core::CoreIsolateState;
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use deno_core::ZeroCopyBuf;
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pub fn init(i: &mut CoreIsolate, s: &State) {
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i.register_op("op_resources", s.stateful_json_op2(op_resources));
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i.register_op("op_close", s.stateful_json_op2(op_close));
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}
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fn op_resources(
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isolate_state: &mut CoreIsolateState,
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_state: &State,
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_args: Value,
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_zero_copy: &mut [ZeroCopyBuf],
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) -> Result<JsonOp, OpError> {
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let serialized_resources = isolate_state.resource_table.borrow().entries();
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Ok(JsonOp::Sync(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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isolate_state: &mut CoreIsolateState,
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_state: &State,
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args: Value,
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_zero_copy: &mut [ZeroCopyBuf],
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) -> Result<JsonOp, OpError> {
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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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let mut resource_table = isolate_state.resource_table.borrow_mut();
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resource_table
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.close(args.rid as u32)
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.ok_or_else(OpError::bad_resource_id)?;
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Ok(JsonOp::Sync(json!({})))
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}
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