The Tor Browser / file comparison
comparison: netwerk/cache2/CacheIndexIterator.cpp
netwerk/cache2/CacheIndexIterator.cpp
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
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| -1:000000000000 | 0:3cf153ee0f17 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "CacheLog.h" | |
| 6 #include "CacheIndexIterator.h" | |
| 7 #include "CacheIndex.h" | |
| 8 #include "nsString.h" | |
| 9 #include "mozilla/DebugOnly.h" | |
| 10 | |
| 11 | |
| 12 namespace mozilla { | |
| 13 namespace net { | |
| 14 | |
| 15 CacheIndexIterator::CacheIndexIterator(CacheIndex *aIndex, bool aAddNew) | |
| 16 : mStatus(NS_OK) | |
| 17 , mIndex(aIndex) | |
| 18 , mAddNew(aAddNew) | |
| 19 { | |
| 20 LOG(("CacheIndexIterator::CacheIndexIterator() [this=%p]", this)); | |
| 21 } | |
| 22 | |
| 23 CacheIndexIterator::~CacheIndexIterator() | |
| 24 { | |
| 25 LOG(("CacheIndexIterator::~CacheIndexIterator() [this=%p]", this)); | |
| 26 | |
| 27 Close(); | |
| 28 } | |
| 29 | |
| 30 nsresult | |
| 31 CacheIndexIterator::GetNextHash(SHA1Sum::Hash *aHash) | |
| 32 { | |
| 33 LOG(("CacheIndexIterator::GetNextHash() [this=%p]", this)); | |
| 34 | |
| 35 CacheIndexAutoLock lock(mIndex); | |
| 36 | |
| 37 if (NS_FAILED(mStatus)) { | |
| 38 return mStatus; | |
| 39 } | |
| 40 | |
| 41 if (!mRecords.Length()) { | |
| 42 CloseInternal(NS_ERROR_NOT_AVAILABLE); | |
| 43 return mStatus; | |
| 44 } | |
| 45 | |
| 46 memcpy(aHash, mRecords[mRecords.Length() - 1]->mHash, sizeof(SHA1Sum::Hash)); | |
| 47 mRecords.RemoveElementAt(mRecords.Length() - 1); | |
| 48 | |
| 49 return NS_OK; | |
| 50 } | |
| 51 | |
| 52 nsresult | |
| 53 CacheIndexIterator::Close() | |
| 54 { | |
| 55 LOG(("CacheIndexIterator::Close() [this=%p]", this)); | |
| 56 | |
| 57 CacheIndexAutoLock lock(mIndex); | |
| 58 | |
| 59 return CloseInternal(NS_ERROR_NOT_AVAILABLE); | |
| 60 } | |
| 61 | |
| 62 nsresult | |
| 63 CacheIndexIterator::CloseInternal(nsresult aStatus) | |
| 64 { | |
| 65 LOG(("CacheIndexIterator::CloseInternal() [this=%p, status=0x%08x]", this, | |
| 66 aStatus)); | |
| 67 | |
| 68 // Make sure status will be a failure | |
| 69 MOZ_ASSERT(NS_FAILED(aStatus)); | |
| 70 if (NS_SUCCEEDED(aStatus)) { | |
| 71 aStatus = NS_ERROR_UNEXPECTED; | |
| 72 } | |
| 73 | |
| 74 if (NS_FAILED(mStatus)) { | |
| 75 return NS_ERROR_NOT_AVAILABLE; | |
| 76 } | |
| 77 | |
| 78 DebugOnly<bool> removed = mIndex->mIterators.RemoveElement(this); | |
| 79 MOZ_ASSERT(removed); | |
| 80 mStatus = aStatus; | |
| 81 | |
| 82 return NS_OK; | |
| 83 } | |
| 84 | |
| 85 void | |
| 86 CacheIndexIterator::AddRecord(CacheIndexRecord *aRecord) | |
| 87 { | |
| 88 LOG(("CacheIndexIterator::AddRecord() [this=%p, record=%p]", this, aRecord)); | |
| 89 | |
| 90 mRecords.AppendElement(aRecord); | |
| 91 } | |
| 92 | |
| 93 void | |
| 94 CacheIndexIterator::AddRecords(const nsTArray<CacheIndexRecord *> &aRecords) | |
| 95 { | |
| 96 LOG(("CacheIndexIterator::AddRecords() [this=%p]", this)); | |
| 97 | |
| 98 mRecords.AppendElements(aRecords); | |
| 99 } | |
| 100 | |
| 101 bool | |
| 102 CacheIndexIterator::RemoveRecord(CacheIndexRecord *aRecord) | |
| 103 { | |
| 104 LOG(("CacheIndexIterator::RemoveRecord() [this=%p, record=%p]", this, | |
| 105 aRecord)); | |
| 106 | |
| 107 return mRecords.RemoveElement(aRecord); | |
| 108 } | |
| 109 | |
| 110 bool | |
| 111 CacheIndexIterator::ReplaceRecord(CacheIndexRecord *aOldRecord, | |
| 112 CacheIndexRecord *aNewRecord) | |
| 113 { | |
| 114 LOG(("CacheIndexIterator::ReplaceRecord() [this=%p, oldRecord=%p, " | |
| 115 "newRecord=%p]", this, aOldRecord, aNewRecord)); | |
| 116 | |
| 117 if (RemoveRecord(aOldRecord)) { | |
| 118 AddRecord(aNewRecord); | |
| 119 return true; | |
| 120 } | |
| 121 | |
| 122 return false; | |
| 123 } | |
| 124 | |
| 125 } // net | |
| 126 } // mozilla |
