http2: use getter replace use directly _witableState.finished #28007

zero1five · 2019-06-01T19:18:58Z

add a new getter to duplex stream to replace the property this .writableState.finished of the object that inherited duplex.

Refs: #445

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

lib/_stream_duplex.js

zero1five · 2019-06-02T05:43:09Z

It's worth noting that Duplex already has some getters for _writableState. Does this need to be moved to writable.prototype?

I'm also looking for a way to proxy all _writableState properties at once, without losing readability and conciseness.

lpinca · 2019-06-02T05:56:37Z

It's worth noting that Duplex already has some getters for _writableState. Does this need to be moved to writable.prototype?

They are also on Writable.prototype with the exact same definition. This is because Duplex inherits from both Readable and Writable but in this loop

node/lib/_stream_duplex.js

Lines 42 to 46 in 187b056

    
           for (var v = 0; v < keys.length; v++) { 
        
             const method = keys[v]; 
        
             if (!Duplex.prototype[method]) 
        
               Duplex.prototype[method] = Writable.prototype[method]; 
        
           }

non enumerable properties are skipped, so we have to redefine them.

lpinca · 2019-06-02T06:15:39Z

@zero1five I think this PR should be split in two logical changes/commits:

One that adds the writableLength getter to both Writable.prototype and Duplex.prototype with relevant tests.
One that uses the new getter in lib/internal/http2/core.js and possibly other places like net: replace _writableState with writableFinished #27974

What do you think?

zero1five · 2019-06-02T06:30:38Z

@lpinca Ok, I feel good. i will update this PR later to update this section with relevant tests. And then see what else is being used.

(a little curiosity 🗿, why does Duplex prototype set skip non enumerable properties?)

lpinca · 2019-06-02T06:35:19Z

@zero1five I'm not sure, I think that with a little care we can use Object.getOwnPropertyNames() instead of Object.keys() and avoid redefining most of those getters in Duplex.

zero1five · 2019-06-02T09:52:26Z

Hmmm...🏊‍♂️ i made some changes to add getter with relevant tests for Duplex and Writable.
Then I looked under ./lib for the use of the new getter:

lib/net.js(should be in #27974 complete.)
lib/internal/http2/core.js
other places...

Because this PR is mainly to modify http2, so other changes should be modified in the new PR.
@lpinca @Trott @himself65 PTAL(should also @ who).

test/parallel/test-stream-duplex-writable-finished.js

test/parallel/test-stream-writable-finished.js

lpinca · 2019-06-02T10:18:27Z

LGTM but can you please move the http2 change to a separate commit? Thank you.

zero1five · 2019-06-02T12:05:37Z

@lpinca 👌

himself65 · 2019-06-02T12:09:38Z

LGTM

BridgeAR

This needs some documentation. Otherwise it's LGTM.

zero1five · 2019-06-11T15:22:32Z

@BridgeAR Added the doc, PTAL.

mcollina

Good work! I’ve just added a nit on the doc!

doc/api/stream.md

zero1five · 2019-06-19T21:32:20Z

Can someone please trigger a CI build?

nodejs-github-bot · 2019-06-24T21:44:49Z

CI: https://ci.nodejs.org/job/node-test-pull-request/24080/

addaleax · 2019-06-25T15:44:53Z

Windows re-build: https://ci.nodejs.org/job/node-test-commit-windows-fanned/28330/

Trott · 2019-06-25T21:46:59Z

Landed in 2bb93e1...f11a4ec

add a new getter to duplex stream to replace the property `this .writableState.finished` of the object that inherited duplex. Refs: nodejs#445 PR-URL: nodejs#28007 Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Rich Trott <[email protected]>

PR-URL: nodejs#28007 Refs: nodejs#445 Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Rich Trott <[email protected]>

Node 12.4.0 has already been released. Replace the version with REPLACEME so that the proper version gets inserted at release time. Refs: nodejs#28007

Node 12.4.0 has already been released. Replace the version with REPLACEME so that the proper version gets inserted at release time. PR-URL: #28431 Refs: #28007 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Rich Trott <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>

add a new getter to duplex stream to replace the property `this .writableState.finished` of the object that inherited duplex. Refs: #445 PR-URL: #28007 Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Rich Trott <[email protected]>

PR-URL: #28007 Refs: #445 Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Rich Trott <[email protected]>

Node 12.4.0 has already been released. Replace the version with REPLACEME so that the proper version gets inserted at release time. PR-URL: #28431 Refs: #28007 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Rich Trott <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>

Notable changes: * build: * Experimental support for building Node.js on MIPS architecture is back. #27992 * child_process: * The promisified versions of `child_process.exec` and `child_process.execFile` now both return a `Promise` which has the child instance attached to their `child` property. #28325 * deps: * Updated libuv to 1.30.0. #28449 * Support for the Haiku platform has been added. * The maximum `UV_THREADPOOL_SIZE` has been increased from 128 to 1024. * `uv_fs_copyfile()` now works properly when the source and destination files are the same. * process: * A new method, `process.resourceUsage()` was added. It returns resource usage for the current process, such as CPU time. #28018 * src: * Fixed an issue related to stdio that could lead to a crash of the process in some circumstances. #28490 * stream: * Added a `writableFinished` property to writable streams. It indicates that all the data has been flushed to the underlying system. #28007 * worker: * Fixed an issue that prevented worker threads to listen for data on stdin. #28153 PR-URL: #28508

Notable changes: * build: * Experimental support for building Node.js on MIPS architecture is back. #27992 * child_process: * The promisified versions of `child_process.exec` and `child_process.execFile` now both return a `Promise` which has the child instance attached to their `child` property. #28325 * deps: * Updated libuv to 1.30.0. #28449 * Support for the Haiku platform has been added. * The maximum `UV_THREADPOOL_SIZE` has been increased from 128 to 1024. * `uv_fs_copyfile()` now works properly when the source and destination files are the same. * process: * A new method, `process.resourceUsage()` was added. It returns resource usage for the current process, such as CPU time. #28018 * src: * Fixed an issue related to stdio that could lead to a crash of the process in some circumstances. #28490 * stream: * Added a `writableFinished` property to writable streams. It indicates that all the data has been flushed to the underlying system. #28007 * worker: * Fixed an issue that prevented worker threads to listen for data on stdin. #28153 * meta: * Added Jiawen Geng (https://github.com/gengjiawen) to collaborators. #28322 PR-URL: #28508

Notable changes: * build: * Experimental support for building Node.js on MIPS architecture is back. #27992 * child_process: * The promisified versions of `child_process.exec` and `child_process.execFile` now both return a `Promise` which has the child instance attached to their `child` property. #28325 * deps: * Updated libuv to 1.30.1. #28449, #28511 * Support for the Haiku platform has been added. * The maximum `UV_THREADPOOL_SIZE` has been increased from 128 to 1024. * `uv_fs_copyfile()` now works properly when the source and destination files are the same. * process: * A new method, `process.resourceUsage()` was added. It returns resource usage for the current process, such as CPU time. #28018 * src: * Fixed an issue related to stdio that could lead to a crash of the process in some circumstances. #28490 * stream: * Added a `writableFinished` property to writable streams. It indicates that all the data has been flushed to the underlying system. #28007 * worker: * Fixed an issue that prevented worker threads to listen for data on stdin. #28153 * meta: * Added Jiawen Geng (https://github.com/gengjiawen) to collaborators. #28322 PR-URL: #28508

BethGriggs · 2019-09-03T15:30:19Z

@nodejs/http2, should this land on v10.x? Please add the 'lts-watch' label if so

mcollina · 2019-09-04T11:31:16Z

@BethGriggs yes please, I've added the tag.

nodejs-github-bot added http2 Issues or PRs related to the http2 subsystem. stream Issues and PRs related to the stream subsystem. labels Jun 1, 2019

lpinca reviewed Jun 1, 2019

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zero1five force-pushed the refactor/replace-finished branch from 868f2f1 to 6ce51da Compare June 2, 2019 09:50

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zero1five force-pushed the refactor/replace-finished branch from 6ce51da to cdb22c4 Compare June 2, 2019 12:03

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BridgeAR added the semver-minor PRs that contain new features and should be released in the next minor version. label Jun 4, 2019

zero1five force-pushed the refactor/replace-finished branch 2 times, most recently from d54a111 to de53445 Compare June 11, 2019 15:03

jasnell requested a review from mcollina June 14, 2019 03:09

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addaleax approved these changes Jun 19, 2019

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addaleax added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Jun 19, 2019

http2: use writableFinished instead of _writableState

2c66f6c

zero1five force-pushed the refactor/replace-finished branch from 284f714 to 2c66f6c Compare June 24, 2019 13:31

Trott closed this Jun 25, 2019

Trott mentioned this pull request Jun 25, 2019

net: replace _writableState with writableFinished #27974

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cjihrig added a commit to cjihrig/node that referenced this pull request Jun 26, 2019

doc: replace version with REPLACEME

22b992b

Node 12.4.0 has already been released. Replace the version with REPLACEME so that the proper version gets inserted at release time. Refs: nodejs#28007

cjihrig mentioned this pull request Jun 26, 2019

doc: replace version with REPLACEME #28431

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zero1five deleted the refactor/replace-finished branch June 26, 2019 02:59

targos mentioned this pull request Jul 2, 2019

Release v12.6.0 proposal #28508

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This was referenced Jul 3, 2019

2019-07-03 Version 12.6.0 (Current) @targos beevelop/docker-nodejs#288

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2019-07-03 Version 12.6.0 (Current) @targos beevelop/docker-nodejs#289

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2019-07-03 Version 12.6.0 (Current) @targos beevelop/docker-nodejs#290

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ehmicky mentioned this pull request Jul 4, 2019

Fix test for Node >= 12.6.0 sindresorhus/execa#348

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vsemozhetbyt mentioned this pull request Jul 8, 2019

doc: fix nits in stream.md #28591

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mcollina added the lts-watch-v10.x label Sep 4, 2019

BethGriggs added the backport-requested-v10.x label Oct 17, 2019

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http2: use getter replace use directly _witableState.finished #28007

http2: use getter replace use directly _witableState.finished #28007

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http2: use getter replace use directly _witableState.finished #28007

http2: use getter replace use directly _witableState.finished #28007

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