mirror of
https://github.com/denoland/deno.git
synced 2024-10-30 09:08:00 -04:00
357 lines
9.1 KiB
TypeScript
357 lines
9.1 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
|
|
// Copyright Joyent, Inc. and other Node contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
|
// persons to whom the Software is furnished to do so, subject to the
|
|
// following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included
|
|
// in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
// TODO(petamoriken): enable prefer-primordials for node polyfills
|
|
// deno-lint-ignore-file prefer-primordials
|
|
|
|
import { ownerSymbol } from "ext:deno_node/internal/async_hooks.ts";
|
|
import {
|
|
kArrayBufferOffset,
|
|
kBytesWritten,
|
|
kLastWriteWasAsync,
|
|
LibuvStreamWrap,
|
|
streamBaseState,
|
|
WriteWrap,
|
|
} from "ext:deno_node/internal_binding/stream_wrap.ts";
|
|
import { isUint8Array } from "ext:deno_node/internal/util/types.ts";
|
|
import { errnoException } from "ext:deno_node/internal/errors.ts";
|
|
import { getTimerDuration, kTimeout } from "ext:deno_node/internal/timers.mjs";
|
|
import { clearTimeout, setUnrefTimeout } from "node:timers";
|
|
import { validateFunction } from "ext:deno_node/internal/validators.mjs";
|
|
import { codeMap } from "ext:deno_node/internal_binding/uv.ts";
|
|
import { Buffer } from "node:buffer";
|
|
|
|
export const kMaybeDestroy = Symbol("kMaybeDestroy");
|
|
export const kUpdateTimer = Symbol("kUpdateTimer");
|
|
export const kAfterAsyncWrite = Symbol("kAfterAsyncWrite");
|
|
export const kHandle = Symbol("kHandle");
|
|
export const kSession = Symbol("kSession");
|
|
export const kBuffer = Symbol("kBuffer");
|
|
export const kBufferGen = Symbol("kBufferGen");
|
|
export const kBufferCb = Symbol("kBufferCb");
|
|
|
|
// deno-lint-ignore no-explicit-any
|
|
function handleWriteReq(req: any, data: any, encoding: string) {
|
|
const { handle } = req;
|
|
|
|
switch (encoding) {
|
|
case "buffer": {
|
|
const ret = handle.writeBuffer(req, data);
|
|
|
|
if (streamBaseState[kLastWriteWasAsync]) {
|
|
req.buffer = data;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
case "latin1":
|
|
case "binary":
|
|
return handle.writeLatin1String(req, data);
|
|
case "utf8":
|
|
case "utf-8":
|
|
return handle.writeUtf8String(req, data);
|
|
case "ascii":
|
|
return handle.writeAsciiString(req, data);
|
|
case "ucs2":
|
|
case "ucs-2":
|
|
case "utf16le":
|
|
case "utf-16le":
|
|
return handle.writeUcs2String(req, data);
|
|
default: {
|
|
const buffer = Buffer.from(data, encoding);
|
|
const ret = handle.writeBuffer(req, buffer);
|
|
|
|
if (streamBaseState[kLastWriteWasAsync]) {
|
|
req.buffer = buffer;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
|
|
// deno-lint-ignore no-explicit-any
|
|
function onWriteComplete(this: any, status: number) {
|
|
let stream = this.handle[ownerSymbol];
|
|
|
|
if (stream.constructor.name === "ReusedHandle") {
|
|
stream = stream.handle;
|
|
}
|
|
|
|
if (stream.destroyed) {
|
|
if (typeof this.callback === "function") {
|
|
this.callback(null);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (status < 0) {
|
|
const ex = errnoException(status, "write", this.error);
|
|
|
|
if (typeof this.callback === "function") {
|
|
this.callback(ex);
|
|
} else {
|
|
stream.destroy(ex);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
stream[kUpdateTimer]();
|
|
stream[kAfterAsyncWrite](this);
|
|
|
|
if (typeof this.callback === "function") {
|
|
this.callback(null);
|
|
}
|
|
}
|
|
|
|
function createWriteWrap(
|
|
handle: LibuvStreamWrap,
|
|
callback: (err?: Error | null) => void,
|
|
) {
|
|
const req = new WriteWrap<LibuvStreamWrap>();
|
|
|
|
req.handle = handle;
|
|
req.oncomplete = onWriteComplete;
|
|
req.async = false;
|
|
req.bytes = 0;
|
|
req.buffer = null;
|
|
req.callback = callback;
|
|
|
|
return req;
|
|
}
|
|
|
|
export function writevGeneric(
|
|
// deno-lint-ignore no-explicit-any
|
|
owner: any,
|
|
// deno-lint-ignore no-explicit-any
|
|
data: any,
|
|
cb: (err?: Error | null) => void,
|
|
) {
|
|
const req = createWriteWrap(owner[kHandle], cb);
|
|
const allBuffers = data.allBuffers;
|
|
let chunks;
|
|
|
|
if (allBuffers) {
|
|
chunks = data;
|
|
|
|
for (let i = 0; i < data.length; i++) {
|
|
data[i] = data[i].chunk;
|
|
}
|
|
} else {
|
|
chunks = new Array(data.length << 1);
|
|
|
|
for (let i = 0; i < data.length; i++) {
|
|
const entry = data[i];
|
|
chunks[i * 2] = entry.chunk;
|
|
chunks[i * 2 + 1] = entry.encoding;
|
|
}
|
|
}
|
|
|
|
const err = req.handle.writev(req, chunks, allBuffers);
|
|
|
|
// Retain chunks
|
|
if (err === 0) {
|
|
req._chunks = chunks;
|
|
}
|
|
|
|
afterWriteDispatched(req, err, cb);
|
|
|
|
return req;
|
|
}
|
|
|
|
export function writeGeneric(
|
|
// deno-lint-ignore no-explicit-any
|
|
owner: any,
|
|
// deno-lint-ignore no-explicit-any
|
|
data: any,
|
|
encoding: string,
|
|
cb: (err?: Error | null) => void,
|
|
) {
|
|
const req = createWriteWrap(owner[kHandle], cb);
|
|
const err = handleWriteReq(req, data, encoding);
|
|
|
|
afterWriteDispatched(req, err, cb);
|
|
|
|
return req;
|
|
}
|
|
|
|
function afterWriteDispatched(
|
|
// deno-lint-ignore no-explicit-any
|
|
req: any,
|
|
err: number,
|
|
cb: (err?: Error | null) => void,
|
|
) {
|
|
req.bytes = streamBaseState[kBytesWritten];
|
|
req.async = !!streamBaseState[kLastWriteWasAsync];
|
|
|
|
if (err !== 0) {
|
|
return cb(errnoException(err, "write", req.error));
|
|
}
|
|
|
|
if (!req.async && typeof req.callback === "function") {
|
|
req.callback();
|
|
}
|
|
}
|
|
|
|
// Here we differ from Node slightly. Node makes use of the `kReadBytesOrError`
|
|
// entry of the `streamBaseState` array from the `stream_wrap` internal binding.
|
|
// Here we pass the `nread` value directly to this method as async Deno APIs
|
|
// don't grant us the ability to rely on some mutable array entry setting.
|
|
export function onStreamRead(
|
|
// deno-lint-ignore no-explicit-any
|
|
this: any,
|
|
arrayBuffer: Uint8Array,
|
|
nread: number,
|
|
) {
|
|
// deno-lint-ignore no-this-alias
|
|
const handle = this;
|
|
|
|
let stream = this[ownerSymbol];
|
|
|
|
if (stream.constructor.name === "ReusedHandle") {
|
|
stream = stream.handle;
|
|
}
|
|
|
|
stream[kUpdateTimer]();
|
|
|
|
if (nread > 0 && !stream.destroyed) {
|
|
let ret;
|
|
let result;
|
|
const userBuf = stream[kBuffer];
|
|
|
|
if (userBuf) {
|
|
result = stream[kBufferCb](nread, userBuf) !== false;
|
|
const bufGen = stream[kBufferGen];
|
|
|
|
if (bufGen !== null) {
|
|
const nextBuf = bufGen();
|
|
|
|
if (isUint8Array(nextBuf)) {
|
|
stream[kBuffer] = ret = nextBuf;
|
|
}
|
|
}
|
|
} else {
|
|
const offset = streamBaseState[kArrayBufferOffset];
|
|
// Performance note: Pass ArrayBuffer to Buffer#from to avoid
|
|
// copy.
|
|
const buf = Buffer.from(arrayBuffer.buffer, offset, nread);
|
|
result = stream.push(buf);
|
|
}
|
|
|
|
if (!result) {
|
|
handle.reading = false;
|
|
|
|
if (!stream.destroyed) {
|
|
const err = handle.readStop();
|
|
|
|
if (err) {
|
|
stream.destroy(errnoException(err, "read"));
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
if (nread === 0) {
|
|
return;
|
|
}
|
|
|
|
if (nread !== codeMap.get("EOF")) {
|
|
// CallJSOnreadMethod expects the return value to be a buffer.
|
|
// Ref: https://github.com/nodejs/node/pull/34375
|
|
stream.destroy(errnoException(nread, "read"));
|
|
|
|
return;
|
|
}
|
|
|
|
// Defer this until we actually emit end
|
|
if (stream._readableState.endEmitted) {
|
|
if (stream[kMaybeDestroy]) {
|
|
stream[kMaybeDestroy]();
|
|
}
|
|
} else {
|
|
if (stream[kMaybeDestroy]) {
|
|
stream.on("end", stream[kMaybeDestroy]);
|
|
}
|
|
|
|
if (handle.readStop) {
|
|
const err = handle.readStop();
|
|
|
|
if (err) {
|
|
// CallJSOnreadMethod expects the return value to be a buffer.
|
|
// Ref: https://github.com/nodejs/node/pull/34375
|
|
stream.destroy(errnoException(err, "read"));
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Push a null to signal the end of data.
|
|
// Do it before `maybeDestroy` for correct order of events:
|
|
// `end` -> `close`
|
|
stream.push(null);
|
|
stream.read(0);
|
|
}
|
|
}
|
|
|
|
export function setStreamTimeout(
|
|
// deno-lint-ignore no-explicit-any
|
|
this: any,
|
|
msecs: number,
|
|
callback?: () => void,
|
|
) {
|
|
if (this.destroyed) {
|
|
return this;
|
|
}
|
|
|
|
this.timeout = msecs;
|
|
|
|
// Type checking identical to timers.enroll()
|
|
msecs = getTimerDuration(msecs, "msecs");
|
|
|
|
// Attempt to clear an existing timer in both cases -
|
|
// even if it will be rescheduled we don't want to leak an existing timer.
|
|
clearTimeout(this[kTimeout]);
|
|
|
|
if (msecs === 0) {
|
|
if (callback !== undefined) {
|
|
validateFunction(callback, "callback");
|
|
this.removeListener("timeout", callback);
|
|
}
|
|
} else {
|
|
this[kTimeout] = setUnrefTimeout(this._onTimeout.bind(this), msecs);
|
|
|
|
if (this[kSession]) {
|
|
this[kSession][kUpdateTimer]();
|
|
}
|
|
|
|
if (callback !== undefined) {
|
|
validateFunction(callback, "callback");
|
|
this.once("timeout", callback);
|
|
}
|
|
}
|
|
|
|
return this;
|
|
}
|