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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /netwerk/cache2/CacheIndexIterator.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'netwerk/cache2/CacheIndexIterator.cpp')
-rw-r--r-- | netwerk/cache2/CacheIndexIterator.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/netwerk/cache2/CacheIndexIterator.cpp b/netwerk/cache2/CacheIndexIterator.cpp new file mode 100644 index 0000000000..5f1a78470c --- /dev/null +++ b/netwerk/cache2/CacheIndexIterator.cpp @@ -0,0 +1,110 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "CacheLog.h" +#include "CacheIndexIterator.h" +#include "CacheIndex.h" +#include "nsString.h" +#include "mozilla/DebugOnly.h" + +namespace mozilla::net { + +CacheIndexIterator::CacheIndexIterator(CacheIndex* aIndex, bool aAddNew) + : mStatus(NS_OK), mIndex(aIndex), mAddNew(aAddNew) { + LOG(("CacheIndexIterator::CacheIndexIterator() [this=%p]", this)); +} + +CacheIndexIterator::~CacheIndexIterator() { + LOG(("CacheIndexIterator::~CacheIndexIterator() [this=%p]", this)); + + StaticMutexAutoLock lock(CacheIndex::sLock); + ClearRecords(lock); + CloseInternal(NS_ERROR_NOT_AVAILABLE); +} + +nsresult CacheIndexIterator::GetNextHash(SHA1Sum::Hash* aHash) { + LOG(("CacheIndexIterator::GetNextHash() [this=%p]", this)); + + StaticMutexAutoLock lock(CacheIndex::sLock); + + if (NS_FAILED(mStatus)) { + return mStatus; + } + + if (!mRecords.Length()) { + CloseInternal(NS_ERROR_NOT_AVAILABLE); + return mStatus; + } + + memcpy(aHash, mRecords.PopLastElement()->Get()->mHash, sizeof(SHA1Sum::Hash)); + + return NS_OK; +} + +nsresult CacheIndexIterator::Close() { + LOG(("CacheIndexIterator::Close() [this=%p]", this)); + + StaticMutexAutoLock lock(CacheIndex::sLock); + + return CloseInternal(NS_ERROR_NOT_AVAILABLE); +} + +nsresult CacheIndexIterator::CloseInternal(nsresult aStatus) { + LOG(("CacheIndexIterator::CloseInternal() [this=%p, status=0x%08" PRIx32 "]", + this, static_cast<uint32_t>(aStatus))); + + // Make sure status will be a failure + MOZ_ASSERT(NS_FAILED(aStatus)); + if (NS_SUCCEEDED(aStatus)) { + aStatus = NS_ERROR_UNEXPECTED; + } + + if (NS_FAILED(mStatus)) { + return NS_ERROR_NOT_AVAILABLE; + } + + CacheIndex::sLock.AssertCurrentThreadOwns(); + DebugOnly<bool> removed = mIndex->mIterators.RemoveElement(this); + MOZ_ASSERT(removed); + mStatus = aStatus; + + return NS_OK; +} + +void CacheIndexIterator::ClearRecords(const StaticMutexAutoLock& aProofOfLock) { + mRecords.Clear(); +} + +void CacheIndexIterator::AddRecord(CacheIndexRecordWrapper* aRecord, + const StaticMutexAutoLock& aProofOfLock) { + LOG(("CacheIndexIterator::AddRecord() [this=%p, record=%p]", this, aRecord)); + + mRecords.AppendElement(aRecord); +} + +bool CacheIndexIterator::RemoveRecord(CacheIndexRecordWrapper* aRecord, + const StaticMutexAutoLock& aProofOfLock) { + LOG(("CacheIndexIterator::RemoveRecord() [this=%p, record=%p]", this, + aRecord)); + + return mRecords.RemoveElement(aRecord); +} + +bool CacheIndexIterator::ReplaceRecord( + CacheIndexRecordWrapper* aOldRecord, CacheIndexRecordWrapper* aNewRecord, + const StaticMutexAutoLock& aProofOfLock) { + LOG( + ("CacheIndexIterator::ReplaceRecord() [this=%p, oldRecord=%p, " + "newRecord=%p]", + this, aOldRecord, aNewRecord)); + + if (RemoveRecord(aOldRecord, aProofOfLock)) { + AddRecord(aNewRecord, aProofOfLock); + return true; + } + + return false; +} + +} // namespace mozilla::net |