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-rw-r--r--netwerk/cache2/CacheIndexIterator.cpp118
1 files changed, 118 insertions, 0 deletions
diff --git a/netwerk/cache2/CacheIndexIterator.cpp b/netwerk/cache2/CacheIndexIterator.cpp
new file mode 100644
index 000000000..0d56ec81f
--- /dev/null
+++ b/netwerk/cache2/CacheIndexIterator.cpp
@@ -0,0 +1,118 @@
+/* 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