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authorDave Wilson <[email protected]>2015-03-17 19:50:07 -0700
committerDave Wilson <[email protected]>2015-03-17 19:50:07 -0700
commit97cf5197cf5b882b2c689d8dc2b555f2edf8f418 (patch)
tree46f3701832d70b420eb0fc0eb93261f9da45db3f /wpd/WpdServiceSampleDriver/WpdObjectResources.h
parentef1905bf1e8825bb31120dfb27e0daf3154d859a (diff)
Initial publish
Diffstat (limited to 'wpd/WpdServiceSampleDriver/WpdObjectResources.h')
-rw-r--r--wpd/WpdServiceSampleDriver/WpdObjectResources.h112
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;
+};