зеркало из https://github.com/mozilla/gecko-dev.git
119 строки
2.6 KiB
C++
119 строки
2.6 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "CacheLog.h"
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#include "CacheIndexIterator.h"
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#include "CacheIndex.h"
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#include "nsString.h"
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#include "mozilla/DebugOnly.h"
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namespace mozilla {
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namespace net {
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CacheIndexIterator::CacheIndexIterator(CacheIndex *aIndex, bool aAddNew)
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: mStatus(NS_OK)
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, mIndex(aIndex)
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, mAddNew(aAddNew)
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{
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LOG(("CacheIndexIterator::CacheIndexIterator() [this=%p]", this));
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}
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CacheIndexIterator::~CacheIndexIterator()
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{
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LOG(("CacheIndexIterator::~CacheIndexIterator() [this=%p]", this));
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Close();
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}
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nsresult
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CacheIndexIterator::GetNextHash(SHA1Sum::Hash *aHash)
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{
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LOG(("CacheIndexIterator::GetNextHash() [this=%p]", this));
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StaticMutexAutoLock lock(CacheIndex::sLock);
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if (NS_FAILED(mStatus)) {
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return mStatus;
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}
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if (!mRecords.Length()) {
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CloseInternal(NS_ERROR_NOT_AVAILABLE);
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return mStatus;
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}
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memcpy(aHash, mRecords[mRecords.Length() - 1]->mHash, sizeof(SHA1Sum::Hash));
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mRecords.RemoveLastElement();
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return NS_OK;
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}
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nsresult
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CacheIndexIterator::Close()
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{
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LOG(("CacheIndexIterator::Close() [this=%p]", this));
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StaticMutexAutoLock lock(CacheIndex::sLock);
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return CloseInternal(NS_ERROR_NOT_AVAILABLE);
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}
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nsresult
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CacheIndexIterator::CloseInternal(nsresult aStatus)
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{
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LOG(("CacheIndexIterator::CloseInternal() [this=%p, status=0x%08" PRIx32 "]", this,
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static_cast<uint32_t>(aStatus)));
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// Make sure status will be a failure
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MOZ_ASSERT(NS_FAILED(aStatus));
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if (NS_SUCCEEDED(aStatus)) {
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aStatus = NS_ERROR_UNEXPECTED;
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}
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if (NS_FAILED(mStatus)) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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DebugOnly<bool> removed = mIndex->mIterators.RemoveElement(this);
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MOZ_ASSERT(removed);
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mStatus = aStatus;
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return NS_OK;
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}
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void
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CacheIndexIterator::AddRecord(CacheIndexRecord *aRecord)
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{
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LOG(("CacheIndexIterator::AddRecord() [this=%p, record=%p]", this, aRecord));
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mRecords.AppendElement(aRecord);
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}
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bool
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CacheIndexIterator::RemoveRecord(CacheIndexRecord *aRecord)
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{
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LOG(("CacheIndexIterator::RemoveRecord() [this=%p, record=%p]", this,
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aRecord));
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return mRecords.RemoveElement(aRecord);
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}
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bool
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CacheIndexIterator::ReplaceRecord(CacheIndexRecord *aOldRecord,
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CacheIndexRecord *aNewRecord)
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{
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LOG(("CacheIndexIterator::ReplaceRecord() [this=%p, oldRecord=%p, "
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"newRecord=%p]", this, aOldRecord, aNewRecord));
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if (RemoveRecord(aOldRecord)) {
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AddRecord(aNewRecord);
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return true;
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}
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return false;
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}
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} // namespace net
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} // namespace mozilla
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