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stream: _write optional when _writev #29639

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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
@ronag ronag force-pushed the nxtedition:fix-writable-write-opt branch 2 times, most recently from 9291d9f to 813928e Sep 20, 2019
When implementing _writev, _write should be optional.
@ronag ronag force-pushed the nxtedition:fix-writable-write-opt branch from 813928e to 757de53 Sep 20, 2019
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ronag added 2 commits Sep 20, 2019
@ronag ronag force-pushed the nxtedition:fix-writable-write-opt branch from 8afeca9 to c039515 Sep 20, 2019
@lpinca
lpinca approved these changes Sep 21, 2019
@@ -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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lpinca Sep 21, 2019

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I guess this introduces a small performance penalty but the user can implement _write() to avoid it.

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Co-Authored-By: Luigi Pinca <luigipinca@gmail.com>
@Trott Trott added the author ready label Sep 22, 2019
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commented Sep 23, 2019

Landed in d398b8f

@Trott Trott closed this Sep 23, 2019
Trott added a commit that referenced this pull request Sep 23, 2019
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 added a commit that referenced this pull request Sep 23, 2019
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
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 referenced this pull request Sep 24, 2019
BridgeAR added a commit that referenced this pull request Sep 25, 2019
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
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
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
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
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