| 92 | } |
| 93 | |
| 94 | bool CacheChecker::checkSpaceEnough() |
| 95 | { |
| 96 | //list old cache files and remove old files to get enough space. |
| 97 | vector<CacheFileInfo> cacheFiles; |
| 98 | getAllCachedFiles(mCacheConfig.mCacheDir, cacheFiles); |
| 99 | |
| 100 | if (cacheFiles.empty()) { |
| 101 | return true; |
| 102 | } |
| 103 | |
| 104 | int64_t totalCacheLen = 0; |
| 105 | |
| 106 | for (const CacheFileInfo &cacheFileInfo : cacheFiles) { |
| 107 | totalCacheLen += cacheFileInfo.length; |
| 108 | } |
| 109 | |
| 110 | int64_t MAX_DIR_SIZE = mCacheConfig.mMaxDirSizeMB * 1024 * 1024; |
| 111 | |
| 112 | if (totalCacheLen + mMediaSize < MAX_DIR_SIZE) { |
| 113 | //space is enough |
| 114 | return true; |
| 115 | } |
| 116 | |
| 117 | int64_t leftSpaceIfDeleteFile = totalCacheLen; |
| 118 | |
| 119 | for (const CacheFileInfo &cacheFileInfo : cacheFiles) { |
| 120 | leftSpaceIfDeleteFile -= cacheFileInfo.length; |
| 121 | |
| 122 | if (leftSpaceIfDeleteFile + mMediaSize < MAX_DIR_SIZE) { |
| 123 | //remove this , space is enough |
| 124 | bool ret = FileUtils::rmrf(cacheFileInfo.path.c_str()); |
| 125 | return ret; |
| 126 | } else { |
| 127 | //remove this is NOT enough yet，remove and continue |
| 128 | bool ret = FileUtils::rmrf(cacheFileInfo.path.c_str()); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | return false; |
| 133 | } |
| 134 | |
| 135 | |
| 136 | bool compare(const CacheFileInfo &a, const CacheFileInfo &b) |