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https://github.com/denoland/deno.git
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40 lines
1 KiB
Rust
40 lines
1 KiB
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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use deno_core::error::bad_resource_id;
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use deno_core::error::AnyError;
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use deno_core::OpState;
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use deno_core::ZeroCopyBuf;
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use serde_derive::Deserialize;
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use serde_json::Value;
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pub fn init(rt: &mut deno_core::JsRuntime) {
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super::reg_json_sync(rt, "op_resources", op_resources);
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super::reg_json_sync(rt, "op_close", op_close);
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}
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fn op_resources(
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state: &mut OpState,
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_args: Value,
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_zero_copy: &mut [ZeroCopyBuf],
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) -> Result<Value, AnyError> {
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let serialized_resources = state.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: &mut OpState,
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args: Value,
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_zero_copy: &mut [ZeroCopyBuf],
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) -> Result<Value, AnyError> {
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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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state
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.resource_table
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.close(args.rid as u32)
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.ok_or_else(bad_resource_id)?;
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Ok(json!({}))
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}
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