/* 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 { namespace 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)); Close(); } 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[mRecords.Length() - 1]->mHash, sizeof(SHA1Sum::Hash)); mRecords.RemoveElementAt(mRecords.Length() - 1); 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%08x]", this, 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; } DebugOnly<bool> removed = mIndex->mIterators.RemoveElement(this); MOZ_ASSERT(removed); mStatus = aStatus; return NS_OK; } void CacheIndexIterator::AddRecord(CacheIndexRecord *aRecord) { LOG(("CacheIndexIterator::AddRecord() [this=%p, record=%p]", this, aRecord)); mRecords.AppendElement(aRecord); } bool CacheIndexIterator::RemoveRecord(CacheIndexRecord *aRecord) { LOG(("CacheIndexIterator::RemoveRecord() [this=%p, record=%p]", this, aRecord)); return mRecords.RemoveElement(aRecord); } bool CacheIndexIterator::ReplaceRecord(CacheIndexRecord *aOldRecord, CacheIndexRecord *aNewRecord) { LOG(("CacheIndexIterator::ReplaceRecord() [this=%p, oldRecord=%p, " "newRecord=%p]", this, aOldRecord, aNewRecord)); if (RemoveRecord(aOldRecord)) { AddRecord(aNewRecord); return true; } return false; } } // namespace net } // namespace mozilla