Add size file for CacheStorage

[Sihui Liu]

... so we can look at the size file and get the size of record without waiting for Caches to initialize.

[Sihui Liu]

Created attachment 383174 [details]
Patch

[youenn fablet]

Comment on attachment 383174 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=383174&action=review

> Source/WebKit/ChangeLog:8
> +        No behavior change as the file is not in use now.

I do not think we should do that in NetworkCacheStorage.
Instead, we could do it in CacheStorage::Caches::writeRecord/removeRecord/writeCachesToDisk.

[Sihui Liu]

Created attachment 383313 [details]
Patch

[youenn fablet]

Comment on attachment 383313 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=383313&action=review

> Source/WebKit/NetworkProcess/cache/CacheStorageEngine.cpp:470
> +    m_ioQueue->dispatch([path = path.isolatedCopy(), size]() mutable {

mutable?

> Source/WebKit/NetworkProcess/cache/CacheStorageEngine.cpp:481
> +        auto sizeString = String::number(size).utf8();

Could be a oneliner.

> Source/WebKit/NetworkProcess/cache/CacheStorageEngine.cpp:512
> +    return String::fromUTF8(buffer.data()).toUIntStrict();

toUInt64Strict

> Source/WebKit/NetworkProcess/cache/CacheStorageEngine.h:88
> +    static Optional<uint64_t> readSizeFile(const String& path);

'path' not really useful.

[Sihui Liu]

Created attachment 383319 [details]
Patch for landing

[WebKit Commit Bot]

Comment on attachment 383319 [details]
Patch for landing

Clearing flags on attachment: 383319

Committed r252351: <https://trac.webkit.org/changeset/252351>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.

[Radar WebKit Bug Importer]

<rdar://problem/57100861>

[Truitt Savell]

It looks like the added assertion in https://trac.webkit.org/changeset/252351/webkit

is causing testing to exit early on Mac and iOS wk2 debug

Build:
https://build.webkit.org/builders/Apple%20Mojave%20Debug%20WK2%20%28Tests%29/builds/5776

crash:
Thread 6 Crashed:: Dispatch queue: com.apple.WebKit.CacheStorageEngine.serialBackground
0   com.apple.JavaScriptCore      	0x000000012d434ad0 WTFCrash + 16 (Assertions.cpp:305)
1   com.apple.JavaScriptCore      	0x000000012e94dbfb WTFCrashWithInfo(int, char const*, char const*, int) + 27
2   com.apple.JavaScriptCore      	0x000000012d472958 WTF::FileSystemImpl::unlockAndCloseFile(int) + 104 (FileSystem.cpp:365)
3   com.apple.WebKit              	0x000000010de4fc6a WebKit::CacheStorage::Engine::writeSizeFile(WTF::String const&, unsigned long long)::$_48::operator()() const::'lambda'()::operator()() const + 26 (CacheStorageEngine.cpp:474)

[Truitt Savell]

Reverted r252351 for reason:

casued 50+ crashes on Mac and iOS wk2 debug

Committed r252369: <https://trac.webkit.org/changeset/252369>

[Sihui Liu]

Created attachment 383375 [details]
Patch

[Sihui Liu]

Created attachment 383396 [details]
Patch for landing

[Sihui Liu]

Created attachment 383397 [details]
Patch for landing

[WebKit Commit Bot]

Comment on attachment 383397 [details]
Patch for landing

Clearing flags on attachment: 383397

Committed r252381: <https://trac.webkit.org/changeset/252381>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.