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stream: _write optional when _writev #29639

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stream: _write optional when _writev #29639

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ronag
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@ronag ronag commented Sep 20, 2019

When implementing _writev, _write should be optional.

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • tests and/or benchmarks are included
  • documentation is changed or added
  • commit message follows commit guidelines

@nodejs-github-bot nodejs-github-bot added the stream Issues and PRs related to the stream subsystem. label Sep 20, 2019
@ronag ronag force-pushed the fix-writable-write-opt branch 2 times, most recently from 9291d9f to 813928e Compare September 20, 2019 23:31
@ronag
stream: _write optional when _writev
757de53 
When implementing _writev, _write should be optional.
addaleax
addaleax reviewed Sep 20, 2019
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test/parallel/test-stream-writev.js Outdated Show resolved Hide resolved
doc/api/stream.md Show resolved Hide resolved
@addaleax addaleax added the semver-minor PRs that contain new features and should be released in the next minor version. label Sep 20, 2019
lpinca
lpinca approved these changes Sep 21, 2019
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lib/_stream_writable.js
@@ -558,7 +558,11 @@ function clearBuffer(stream, state) {
}

Writable.prototype._write = function(chunk, encoding, cb) {
cb(new ERR_METHOD_NOT_IMPLEMENTED('_write()'));
if (this._writev) {
this._writev([{ chunk, encoding }], cb);
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I guess this introduces a small performance penalty but the user can implement _write() to avoid it.

doc/api/stream.md Outdated Show resolved Hide resolved
@ronag @lpinca
Update doc/api/stream.md
6c51427 
Co-Authored-By: Luigi Pinca <luigipinca@gmail.com>
@Trott Trott added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Sep 22, 2019
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CI: https://ci.nodejs.org/job/node-test-pull-request/25636/

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Trott commented Sep 23, 2019

Landed in d398b8f

@Trott Trott closed this Sep 23, 2019
Trott pushed a commit that referenced this pull request Sep 23, 2019
@ronag @Trott
stream: make _write() optional when _writev() is implemented
d398b8f 
When implementing _writev, _write should be optional.

PR-URL: #29639
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
targos pushed a commit that referenced this pull request Sep 23, 2019
@ronag @targos
stream: make _write() optional when _writev() is implemented
86e55c9 
When implementing _writev, _write should be optional.

PR-URL: #29639
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
BridgeAR added a commit that referenced this pull request Sep 24, 2019
@BridgeAR
2019-09-24, Version 12.11.0 (Current)
21e8f36 
Notable changes:

* crypto:
  * Add `oaepLabel` option #29489
* deps:
  * Update V8 to 7.7.299.11 #28918
    * More efficient memory handling
    * Stack trace serialization got faster
    * The `Intl.NumberFormat` API gained new functionality
    * For more information: https://v8.dev/blog/v8-release-77
* events:
  * Add support for `EventTarget` in `once`
    #29498
* fs:
  * Expose memory file mapping flag `UV_FS_O_FILEMAP`
    #29260
* inspector:
  * New API - `Session.connectToMainThread`
    #28870
* process:
  * Initial SourceMap support via `env.NODE_V8_COVERAGE`
    #28960
* stream:
  * Make `_write()` optional when `_writev()` is implemented
    #29639
* tls:
  * Add option to override signature algorithms
    #29598
* util:
  * Add `encodeInto` to `TextEncoder`
    #29524
* worker:
  * The `worker_thread` module is now stable
    #29512
@BridgeAR BridgeAR mentioned this pull request Sep 24, 2019
Merged
BridgeAR pushed a commit that referenced this pull request Sep 25, 2019
@ronag @BridgeAR
stream: make _write() optional when _writev() is implemented
e71bdad 
When implementing _writev, _write should be optional.

PR-URL: #29639
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
BridgeAR added a commit that referenced this pull request Sep 25, 2019
@BridgeAR
2019-09-24, Version 12.11.0 (Current)
b50c01c 
Notable changes:

* crypto:
  * Add `oaepLabel` option #29489
* deps:
  * Update V8 to 7.7.299.11 #28918
    * More efficient memory handling
    * Stack trace serialization got faster
    * The `Intl.NumberFormat` API gained new functionality
    * For more information: https://v8.dev/blog/v8-release-77
* events:
  * Add support for `EventTarget` in `once`
    #29498
* fs:
  * Expose memory file mapping flag `UV_FS_O_FILEMAP`
    #29260
* inspector:
  * New API - `Session.connectToMainThread`
    #28870
* process:
  * Initial SourceMap support via `env.NODE_V8_COVERAGE`
    #28960
* stream:
  * Make `_write()` optional when `_writev()` is implemented
    #29639
* tls:
  * Add option to override signature algorithms
    #29598
* util:
  * Add `encodeInto` to `TextEncoder`
    #29524
* worker:
  * The `worker_thread` module is now stable
    #29512

PR-URL: #29695
BridgeAR added a commit that referenced this pull request Sep 25, 2019
@BridgeAR
2019-09-24, Version 12.11.0 (Current)
d36b6f8 
Notable changes:

* crypto:
  * Add `oaepLabel` option #29489
* deps:
  * Update V8 to 7.7.299.11 #28918
    * More efficient memory handling
    * Stack trace serialization got faster
    * The `Intl.NumberFormat` API gained new functionality
    * For more information: https://v8.dev/blog/v8-release-77
* events:
  * Add support for `EventTarget` in `once`
    #29498
* fs:
  * Expose memory file mapping flag `UV_FS_O_FILEMAP`
    #29260
* inspector:
  * New API - `Session.connectToMainThread`
    #28870
* process:
  * Initial SourceMap support via `env.NODE_V8_COVERAGE`
    #28960
* stream:
  * Make `_write()` optional when `_writev()` is implemented
    #29639
* tls:
  * Add option to override signature algorithms
    #29598
* util:
  * Add `encodeInto` to `TextEncoder`
    #29524
* worker:
  * The `worker_thread` module is now stable
    #29512

PR-URL: #29695
This was referenced Sep 25, 2019
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@ronag ronag mentioned this pull request Oct 8, 2019
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@JungMinu JungMinu JungMinu approved these changes

@lpinca lpinca lpinca approved these changes

@addaleax addaleax addaleax approved these changes

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@ronag @nodejs-github-bot @Trott @addaleax @lpinca @JungMinu