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https://github.com/ksherlock/profuse.git
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enforce smart pointers for block cache.
git-svn-id: https://profuse.googlecode.com/svn/branches/profuse_interim@344 aa027e90-d47c-11dd-86d7-074df07e0730
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@ -58,6 +58,10 @@ using ProFUSE::POSIXException;
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//typedef std::vector<ConcreteBlockCache::Entry *>::iterator EntryIter;
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BlockCachePointer ConcreteBlockCache::Create(BlockDevicePointer device, unsigned size)
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{
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return BlockCachePointer(new ConcreteBlockCache(device, size));
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}
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ConcreteBlockCache::ConcreteBlockCache(BlockDevicePointer device, unsigned size) :
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BlockCache(device)
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@ -9,7 +9,9 @@ namespace Device {
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class ConcreteBlockCache : public BlockCache {
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public:
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ConcreteBlockCache(BlockDevicePointer device, unsigned size = 16);
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static BlockCachePointer Create(BlockDevicePointer device, unsigned size = 16);
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virtual ~ConcreteBlockCache();
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virtual void sync();
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@ -21,8 +23,11 @@ public:
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virtual void markDirty(unsigned block);
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private:
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ConcreteBlockCache(BlockDevicePointer device, unsigned size);
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struct Entry {
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unsigned block;
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unsigned count;
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@ -19,6 +19,11 @@ using namespace Device;
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using ProFUSE::Exception;
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using ProFUSE::POSIXException;
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BlockCachePointer MappedBlockCache::Create(BlockDevicePointer device, void *data)
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{
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return BlockCachePointer(new MappedBlockCache(device, data));
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}
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MappedBlockCache::MappedBlockCache(BlockDevicePointer device, void *data) :
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BlockCache(device)
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@ -8,7 +8,8 @@ namespace Device {
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class MappedBlockCache : public BlockCache {
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public:
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MappedBlockCache(BlockDevicePointer device, void *data);
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static BlockCachePointer Create(BlockDevicePointer device, void *data);
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virtual ~MappedBlockCache();
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virtual void sync();
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@ -22,7 +23,9 @@ class MappedBlockCache : public BlockCache {
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virtual void markDirty(unsigned block);
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private:
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MappedBlockCache(BlockDevicePointer device, void *data);
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void sync(unsigned block);
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uint8_t *_data;
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@ -237,5 +237,5 @@ BlockCachePointer BlockDevice::createBlockCache()
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{
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unsigned b = blocks();
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unsigned size = std::max(16u, b / 16);
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return BlockCachePointer(new ConcreteBlockCache(shared_from_this(), size));
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return ConcreteBlockCache::Create(shared_from_this(), size);
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}
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@ -161,6 +161,6 @@ DavexDiskImage *DavexDiskImage::Create(const char *name, size_t blocks, const ch
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BlockCachePointer DavexDiskImage::createBlockCache()
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{
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// need a smart pointer, but only have this....
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return BlockCachePointer(new MappedBlockCache(shared_from_this(), 512 + (uint8_t *)address()));
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return MappedBlockCache::Create(shared_from_this(), 512 + (uint8_t *)address());
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}
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@ -224,5 +224,5 @@ BlockCachePointer DiskCopy42Image::createBlockCache()
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if (!readOnly()) _changed = true;
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return BlockCachePointer(new MappedBlockCache(shared_from_this(), address()));
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return MappedBlockCache::Create(shared_from_this(), address());
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}
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@ -140,7 +140,7 @@ void ProDOSOrderDiskImage::Validate(MappedFile *f)
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BlockCachePointer ProDOSOrderDiskImage::createBlockCache()
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{
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return BlockCachePointer(new MappedBlockCache(shared_from_this(), address()));
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return MappedBlockCache::Create(shared_from_this(), address());
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}
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#pragma mark -
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@ -145,7 +145,7 @@ BlockCachePointer UniversalDiskImage::createBlockCache()
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{
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if (_format == 1)
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{
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return BlockCachePointer(new MappedBlockCache(shared_from_this(), _dataOffset + (uint8_t *)address()));
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return MappedBlockCache::Create(shared_from_this(), _dataOffset + (uint8_t *)address());
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}
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return DiskImage::createBlockCache();
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