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tls_wrap: inherit from the AsyncWrap first #4268

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tls_wrap: inherit from the AsyncWrap first #4268

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indutny
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@indutny indutny commented Dec 14, 2015

WrapperInfo casts pointer in JS object's internal field to
AsyncWrap. This approach fails miserably for TLSWrap because it was
inhereted from the StreamBase first, creating different kind of
vtable for the whole class.

Reorder parent classes to put AsyncWrap first.

Fix: #4250

@indutny
tls_wrap: inherit from the AsyncWrap first
f3e77d8 
`WrapperInfo` casts pointer in JS object's internal field to
`AsyncWrap`. This approach fails miserably for `TLSWrap` because it was
inhereted from the `StreamBase` first, creating different kind of
`vtable` for the whole class.

Reorder parent classes to put `AsyncWrap` first.

Fix: nodejs#4250
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indutny commented Dec 14, 2015

CI: https://ci.nodejs.org/job/node-test-pull-request/988/

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indutny commented Dec 14, 2015

I'm not exactly sure how to test it, perhaps @bnoordhuis has some suggestions?

R=@trevnorris or @bnoordhuis

@indutny indutny mentioned this pull request Dec 14, 2015
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@indutny indutny added tls Issues and PRs related to the tls subsystem. c++ Issues and PRs that require attention from people who are familiar with C++. lts-watch-v4.x labels Dec 14, 2015
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@indutny Thanks

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indutny commented Dec 14, 2015

CI is green

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jasnell commented Dec 14, 2015

LGTM

I am curious tho, could changing the order here potentially break anything?

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indutny commented Dec 14, 2015

@jasnell I don't think so. From user perspective this class is not exposed, from the core perspective all casts seems to be proper on C++ side.

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indutny commented Dec 14, 2015

Landed in e0bb118, thank you!

@indutny indutny closed this Dec 14, 2015
@indutny indutny deleted the fix/async-wrap-unwrap-tlswrap branch December 14, 2015 20:48
indutny added a commit that referenced this pull request Dec 14, 2015
@indutny
tls_wrap: inherit from the AsyncWrap first
e0bb118 
`WrapperInfo` casts pointer in JS object's internal field to
`AsyncWrap`. This approach fails miserably for `TLSWrap` because it was
inhereted from the `StreamBase` first, creating different kind of
`vtable` for the whole class.

Reorder parent classes to put `AsyncWrap` first.

Fix: #4250
PR-URL: #4268
Reviewed-By: James M Snell <[email protected]>
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I am curious tho, could changing the order here potentially break anything?

Presumably it's a simple check that there's no static cast elsewhere to a SSLWrap<TLSWrap>*.

@Fishrock123 Fishrock123 mentioned this pull request Dec 15, 2015
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indutny added a commit that referenced this pull request Dec 15, 2015
@indutny @cjihrig
tls_wrap: inherit from the AsyncWrap first
a1b4921 
`WrapperInfo` casts pointer in JS object's internal field to
`AsyncWrap`. This approach fails miserably for `TLSWrap` because it was
inhereted from the `StreamBase` first, creating different kind of
`vtable` for the whole class.

Reorder parent classes to put `AsyncWrap` first.

Fix: #4250
PR-URL: #4268
Reviewed-By: James M Snell <[email protected]>
@rvagg rvagg mentioned this pull request Dec 17, 2015
Closed
indutny added a commit that referenced this pull request Dec 30, 2015
@indutny
tls_wrap: inherit from the AsyncWrap first
d1679fd 
`WrapperInfo` casts pointer in JS object's internal field to
`AsyncWrap`. This approach fails miserably for `TLSWrap` because it was
inhereted from the `StreamBase` first, creating different kind of
`vtable` for the whole class.

Reorder parent classes to put `AsyncWrap` first.

Fix: #4250
PR-URL: #4268
Reviewed-By: James M Snell <[email protected]>
MylesBorins pushed a commit that referenced this pull request Jan 19, 2016
@indutny
tls_wrap: inherit from the AsyncWrap first
5b695d0 
`WrapperInfo` casts pointer in JS object's internal field to
`AsyncWrap`. This approach fails miserably for `TLSWrap` because it was
inhereted from the `StreamBase` first, creating different kind of
`vtable` for the whole class.

Reorder parent classes to put `AsyncWrap` first.

Fix: #4250
PR-URL: #4268
Reviewed-By: James M Snell <[email protected]>
@MylesBorins MylesBorins mentioned this pull request Jan 19, 2016
Merged
scovetta pushed a commit to scovetta/node that referenced this pull request Apr 2, 2016
@indutny
tls_wrap: inherit from the AsyncWrap first
ec7c1ed 
`WrapperInfo` casts pointer in JS object's internal field to
`AsyncWrap`. This approach fails miserably for `TLSWrap` because it was
inhereted from the `StreamBase` first, creating different kind of
`vtable` for the whole class.

Reorder parent classes to put `AsyncWrap` first.

Fix: nodejs#4250
PR-URL: nodejs#4268
Reviewed-By: James M Snell <[email protected]>
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