diff options
| author | Dave Wilson <[email protected]> | 2015-03-17 19:50:07 -0700 |
|---|---|---|
| committer | Dave Wilson <[email protected]> | 2015-03-17 19:50:07 -0700 |
| commit | 97cf5197cf5b882b2c689d8dc2b555f2edf8f418 (patch) | |
| tree | 46f3701832d70b420eb0fc0eb93261f9da45db3f /wpd/WpdServiceSampleDriver/WpdObjectResources.h | |
| parent | ef1905bf1e8825bb31120dfb27e0daf3154d859a (diff) | |
Initial publish
Diffstat (limited to 'wpd/WpdServiceSampleDriver/WpdObjectResources.h')
| -rw-r--r-- | wpd/WpdServiceSampleDriver/WpdObjectResources.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/wpd/WpdServiceSampleDriver/WpdObjectResources.h b/wpd/WpdServiceSampleDriver/WpdObjectResources.h new file mode 100644 index 00000000..1f8c4a0a --- /dev/null +++ b/wpd/WpdServiceSampleDriver/WpdObjectResources.h @@ -0,0 +1,112 @@ +#pragma once + +#define FILE_OPTIMAL_READ_BUFFER_SIZE_VALUE (2 * 1024 * 1024) +#define FILE_OPTIMAL_WRITE_BUFFER_SIZE_VALUE (2 * 1024 * 1024) + +// This class is used to store the context for a specific resource operation. +class WpdObjectResourceContext : public IUnknown +{ +public: + WpdObjectResourceContext() : + m_cRef(1), + m_Resource(WPD_RESOURCE_DEFAULT), + m_BytesTransferred(0), + m_BytesTotal(0), + m_Scope(FULL_DEVICE_ACCESS) + { + + } + + ~WpdObjectResourceContext() + { + + } + +public: // IUnknown + ULONG __stdcall AddRef() + { + InterlockedIncrement((long*) &m_cRef); + return m_cRef; + } + + _At_(this, __drv_freesMem(Mem)) + ULONG __stdcall Release() + { + ULONG ulRefCount = m_cRef - 1; + + if (InterlockedDecrement((long*) &m_cRef) == 0) + { + delete this; + return 0; + } + return ulRefCount; + } + + HRESULT __stdcall QueryInterface( + REFIID riid, + void** ppv) + { + HRESULT hr = S_OK; + + if(riid == IID_IUnknown) + { + *ppv = static_cast<IUnknown*>(this); + AddRef(); + } + else + { + *ppv = NULL; + hr = E_NOINTERFACE; + } + + return hr; + } + +private: + DWORD m_cRef; + +// WpdObjectResourceContext specific data +public: + CAtlStringW m_strObjectID; // object identifier of the object whose resource is being transferred + PROPERTYKEY m_Resource; // the specific resource being transferred + ULONGLONG m_BytesTransferred; // number of bytes transferred from the resource to the caller + ULONGLONG m_BytesTotal; // total number of bytes of the resource data + ACCESS_SCOPE m_Scope; // client access scope +}; + +class WpdObjectResources +{ +public: + WpdObjectResources(); + virtual ~WpdObjectResources(); + + HRESULT Initialize(_In_ FakeDevice* pDevice); + + HRESULT DispatchWpdMessage( + _In_ REFPROPERTYKEY Command, + _In_ IPortableDeviceValues* pParams, + _In_ IPortableDeviceValues* pResults); + + HRESULT OnGetSupportedResources( + _In_ IPortableDeviceValues* pParams, + _In_ IPortableDeviceValues* pResults); + + HRESULT OnGetResourceAttributes( + _In_ IPortableDeviceValues* pParams, + _In_ IPortableDeviceValues* pResults); + + HRESULT OnOpenResource( + _In_ IPortableDeviceValues* pParams, + _In_ IPortableDeviceValues* pResults); + + HRESULT OnReadResource( + _In_ IPortableDeviceValues* pParams, + _In_ IPortableDeviceValues* pResults); + + HRESULT OnCloseResource( + _In_ IPortableDeviceValues* pParams, + _In_ IPortableDeviceValues* pResults); + +private: + FakeDevice* m_pDevice; +}; |
