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http2: compat avoid bind and properly cleanup stream #20374

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http2: compat avoid bind and properly cleanup stream #20374

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ronag
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@ronag ronag commented Apr 27, 2018 •
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Avoid unnecessary function bind.

Also fixes a bug where kProxySocket was assigned null on the wrong object as well as properly cleanup the stream object.

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  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • commit message follows commit guidelines

@nodejs-github-bot nodejs-github-bot added dont-land-on-v4.x http2 Issues or PRs related to the http2 subsystem. labels Apr 27, 2018
@ronag ronag force-pushed the http2-compat-perf branch 4 times, most recently from ebc8bb2 to 34ad49a Compare April 27, 2018 23:02
@ronag ronag changed the title http2: compat avoid bind and propertly cleanup kProxySocket http2: compat avoid bind and properly cleanup stream Apr 27, 2018
@ronag ronag force-pushed the http2-compat-perf branch 3 times, most recently from d57ba33 to 6c86160 Compare April 27, 2018 23:11
mscdex
mscdex reviewed Apr 27, 2018
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lib/internal/http2/compat.js Outdated
}

function onStreamTrailersReady() {
this[kStream].sendTrailers(this[kTrailers]);
const stream = this;
const res = stream[kResponse];
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Why these extra variables instead of just:

this.sendTrailers(this[kResponse][kTrailers]);

?

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@ronag ronag Apr 27, 2018 •
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No particular reason. Just style. I'm fine with changing if you want me to?

mscdex
mscdex reviewed Apr 27, 2018
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lib/internal/http2/compat.js Outdated
}

function onStreamTrailersReady() {
this[kStream].sendTrailers(this[kTrailers]);
stream.sendTrailers(this[kResponse][kTrailers]);
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stream should be this

apapirovski
apapirovski reviewed Apr 28, 2018
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This is on a good track but needs a bit of cleanup.

lib/internal/http2/compat.js Outdated
@@ -223,6 +222,31 @@ const proxySocketHandler = {
}
};

function onRequestFinish() {
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onStreamCloseRequest? It's not really onRequestFinish.

lib/internal/http2/compat.js Outdated
@@ -223,6 +222,31 @@ const proxySocketHandler = {
}
};

function onRequestFinish() {
const stream = this;
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Please don't reassign this.

lib/internal/http2/compat.js Outdated

stream[kProxySocket] = null;
stream[kRequest] = undefined;
stream.off('data', onStreamData);
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Are all these detachments necessary? It will certainly make performance worse.

lib/internal/http2/compat.js Outdated
}

function onResponseFinish() {
const stream = this;
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Same as above: more accurate name and don't re-assign this please.

lib/internal/http2/compat.js Outdated

stream[kProxySocket] = null;
stream[kResponse] = undefined;
stream.off('drain', onStreamDrain);
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Same as above. Unless this is 100% necessary, it would be better not to.

lib/internal/http2/compat.js Outdated
@@ -382,13 +414,14 @@ class Http2ServerResponse extends Stream {
this[kHeaders] = Object.create(null);
this[kTrailers] = Object.create(null);
this[kStream] = stream;
this.writable = true;
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This change doesn't seem to relate to this PR.

lib/internal/http2/compat.js Outdated
@@ -236,6 +260,9 @@ class Http2ServerRequest extends Readable {
this[kRawTrailers] = [];
this[kStream] = stream;
this[kAborted] = false;
this.on('pause', onRequestPause);
this.on('resume', onRequestResume);
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This change doesn't seem to relate to this PR.

@ronag ronag force-pushed the http2-compat-perf branch 2 times, most recently from d7a0fbd to 525429a Compare April 28, 2018 11:47
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ronag commented Apr 28, 2018

@apapirovski cleaned up

@ronag ronag force-pushed the http2-compat-perf branch 2 times, most recently from 20d1dce to 93c4f7d Compare April 28, 2018 11:49
apapirovski
apapirovski reviewed Apr 28, 2018
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lib/internal/http2/compat.js Outdated
const res = this[kResponse];
const state = res[kState];

if (!this[kResponse] || this.headRequest !== state.headRequest)
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res === undefined would be cleaner check here.

apapirovski
apapirovski reviewed Apr 28, 2018
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lib/internal/http2/compat.js Outdated
const req = this[kRequest];
const state = req[kState];

if (!this[kRequest])
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req === undefined is more precise. Also please move const state = after the check.

apapirovski
apapirovski approved these changes Apr 28, 2018
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LGTM thanks!

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CI: https://ci.nodejs.org/job/node-test-pull-request/14566/

@BridgeAR BridgeAR added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Apr 29, 2018
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ping @nodejs/http2 would be nice to have at least one more review on this.

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mcollina commented May 7, 2018

Also fixes a bug where kProxySocket was assigned null on the wrong object as well as properly cleanup the stream object.

Can you add a test for this?

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FWIW I don't think it's possible to test this without exporting the kProxySocket symbol. Although
since it's in internal, it's probably ok to do so.

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mcollina commented May 7, 2018

👍 to exporting in the internal module.

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CI: https://ci.nodejs.org/job/node-test-pull-request/14865/

I will land this once done and create a test myself in a separate PR.

apapirovski pushed a commit that referenced this pull request May 16, 2018
@ronag @apapirovski
http2: avoid bind and properly clean up in compat
0d762af 
PR-URL: #20374
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
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Landed in 0d762af

MylesBorins pushed a commit that referenced this pull request May 22, 2018
@ronag @MylesBorins
http2: avoid bind and properly clean up in compat
de2b047 
PR-URL: #20374
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
@addaleax addaleax mentioned this pull request May 22, 2018
Merged
kjin pushed a commit to kjin/node that referenced this pull request Aug 23, 2018
@ronag @kjin
http2: avoid bind and properly clean up in compat
101361c 
PR-URL: nodejs#20374
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
kjin pushed a commit to kjin/node that referenced this pull request Sep 11, 2018
@ronag @kjin
http2: avoid bind and properly clean up in compat
fce762e 
PR-URL: nodejs#20374
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
kjin pushed a commit to kjin/node that referenced this pull request Sep 19, 2018
@ronag @kjin
http2: avoid bind and properly clean up in compat
6f5b38f 
PR-URL: nodejs#20374
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
kjin pushed a commit to kjin/node that referenced this pull request Oct 16, 2018
@ronag @kjin
http2: avoid bind and properly clean up in compat
11f194f 
PR-URL: nodejs#20374
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
BethGriggs pushed a commit that referenced this pull request Oct 17, 2018
@ronag @BethGriggs
http2: avoid bind and properly clean up in compat
d1b7825 
Backport-PR-URL: #22850
PR-URL: #20374
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
@BethGriggs BethGriggs mentioned this pull request Oct 30, 2018
Merged
@beevelop beevelop mentioned this pull request Nov 20, 2018
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@mscdex mscdex mscdex left review comments

@trivikr trivikr trivikr approved these changes

@jasnell jasnell jasnell approved these changes

@apapirovski apapirovski apapirovski approved these changes

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@ronag @apapirovski @mcollina @mscdex @jasnell @trivikr @BridgeAR @nodejs-github-bot