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94 lines
2.8 KiB
TypeScript
94 lines
2.8 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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// This module ports:
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// - https://github.com/nodejs/node/blob/master/src/connection_wrap.cc
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// - https://github.com/nodejs/node/blob/master/src/connection_wrap.h
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import { LibuvStreamWrap } from "ext:deno_node/internal_binding/stream_wrap.ts";
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import {
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AsyncWrap,
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providerType,
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} from "ext:deno_node/internal_binding/async_wrap.ts";
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interface Reader {
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read(p: Uint8Array): Promise<number | null>;
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}
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interface Writer {
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write(p: Uint8Array): Promise<number>;
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}
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export interface Closer {
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close(): void;
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}
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type Ref = { ref(): void; unref(): void };
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export class ConnectionWrap extends LibuvStreamWrap {
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/** Optional connection callback. */
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onconnection: ((status: number, handle?: ConnectionWrap) => void) | null =
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null;
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/**
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* Creates a new ConnectionWrap class instance.
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* @param provider Provider type.
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* @param object Optional stream object.
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*/
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constructor(
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provider: providerType,
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object?: Reader & Writer & Closer & Ref,
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) {
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super(provider, object);
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}
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/**
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* @param req A connect request.
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* @param status An error status code.
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*/
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afterConnect<
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T extends AsyncWrap & {
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oncomplete(
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status: number,
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handle: ConnectionWrap,
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req: T,
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readable: boolean,
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writeable: boolean,
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): void;
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},
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>(
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req: T,
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status: number,
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) {
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const isSuccessStatus = !status;
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const readable = isSuccessStatus;
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const writable = isSuccessStatus;
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try {
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req.oncomplete(status, this, req, readable, writable);
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} catch {
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// swallow callback errors.
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}
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return;
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}
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}
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