Initial publish

1 files changed, 393 insertions, 0 deletions

diff --git a/wpd/WpdServiceSampleDriver/WpdBaseDriver.cpp b/wpd/WpdServiceSampleDriver/WpdBaseDriver.cpp
new file mode 100644
index 00000000..adb9d3b3
--- /dev/null
+++ b/wpd/WpdServiceSampleDriver/WpdBaseDriver.cpp
@@ -0,0 +1,393 @@
+#include "stdafx.h"
+
+#include "WpdBaseDriver.tmh"
+
+WpdBaseDriver::WpdBaseDriver() :
+    m_cRef(1)
+{
+}
+
+WpdBaseDriver::~WpdBaseDriver()
+{
+
+}
+
+ULONG __stdcall WpdBaseDriver::AddRef()
+{
+    InterlockedIncrement((long*) &m_cRef);
+    return m_cRef;
+}
+
+_At_(this, __drv_freesMem(Mem)) 
+ULONG __stdcall WpdBaseDriver::Release()
+{
+    ULONG ulRefCount = m_cRef - 1;
+
+    if (InterlockedDecrement((long*) &m_cRef) == 0)
+    {
+        delete this;
+        return 0;
+    }
+    return ulRefCount;
+}
+
+HRESULT __stdcall WpdBaseDriver::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;
+}
+
+/**
+ * This method is called to initialize the driver object.
+ * This is where the driver would set up it's I/O libraries
+ * and so on.
+ */
+HRESULT WpdBaseDriver::Initialize()
+{
+    HRESULT hr = m_Device.InitializeContent();
+    CHECK_HR(hr, ("Failed to initialize content"));
+
+    if (hr == S_OK)
+    {
+        hr = m_Service.Initialize(&m_Device);
+        CHECK_HR(hr, ("Failed to initialize WpdService"));
+    }
+
+    if (hr == S_OK)
+    {
+        hr = m_ObjectEnum.Initialize(&m_Device);
+        CHECK_HR(hr, ("Failed to initialize WpdObjectEnum"));
+    }
+
+    if (hr == S_OK)
+    {
+        m_Capabilities.Initialize(&m_Device);
+        CHECK_HR(hr, ("Failed to initialize WpdCapabilities"));
+    }
+
+    if (hr == S_OK)
+    {
+        m_ObjectManagement.Initialize(&m_Device);
+        CHECK_HR(hr, ("Failed to initialize WpdObjectManagement"));
+    }
+
+    if (hr == S_OK)
+    {
+        m_ObjectProperties.Initialize(&m_Device);
+        CHECK_HR(hr, ("Failed to initialize WpdObjectProperties"));
+    }
+
+    if (hr == S_OK)
+    {
+        m_ObjectResources.Initialize(&m_Device);
+        CHECK_HR(hr, ("Failed to initialize WpdObjectResources"));
+    }
+
+    if (hr == S_OK)
+    {
+        m_ObjectPropertiesBulk.Initialize(&m_Device);
+        CHECK_HR(hr, ("Failed to initialize WpdObjectPropertiesBulk"));
+    }
+
+    return hr;
+}
+
+/**
+ * This method is called to uninitialize the driver object.
+ * In a real driver, this is where the driver would clean up
+ * any resources held by this driver.
+ */
+VOID WpdBaseDriver::Uninitialize()
+{
+}
+
+HRESULT WpdBaseDriver::DispatchWpdMessage(_In_  IPortableDeviceValues* pParams,
+                                          _In_  IPortableDeviceValues* pResults)
+{
+
+    HRESULT     hr                  = S_OK;
+    GUID        guidCommandCategory = {0};
+    DWORD       dwCommandID         = 0;
+    PROPERTYKEY CommandKey          = WPD_PROPERTY_NULL;
+
+    if (hr == S_OK)
+    {
+        hr = pParams->GetGuidValue(WPD_PROPERTY_COMMON_COMMAND_CATEGORY, &guidCommandCategory);
+        CHECK_HR(hr, "Failed to get WPD_PROPERTY_COMMON_COMMAND_CATEGORY from input parameters");
+    }
+
+    if (hr == S_OK)
+    {
+        hr = pParams->GetUnsignedIntegerValue(WPD_PROPERTY_COMMON_COMMAND_ID, &dwCommandID);
+        CHECK_HR(hr, "Failed to get WPD_PROPERTY_COMMON_COMMAND_ID from input parameters");
+    }
+
+    // If WPD_PROPERTY_COMMON_COMMAND_CATEGORY or WPD_PROPERTY_COMMON_COMMAND_ID could not be extracted
+    // properly then we should return E_INVALIDARG to the client.
+    if (FAILED(hr))
+    {
+        hr = E_INVALIDARG;
+        CHECK_HR(hr, "Failed to get WPD_PROPERTY_COMMON_COMMAND_CATEGORY or WPD_PROPERTY_COMMON_COMMAND_ID from input parameters");
+    }
+
+    if (hr == S_OK)
+    {
+        CommandKey.fmtid = guidCommandCategory;
+        CommandKey.pid   = dwCommandID;
+
+        if (CommandKey.fmtid == WPD_CATEGORY_OBJECT_ENUMERATION)
+        {
+            hr = m_ObjectEnum.DispatchWpdMessage(CommandKey, pParams, pResults);
+        }
+        else if (CommandKey.fmtid == WPD_CATEGORY_OBJECT_PROPERTIES)
+        {
+            hr = m_ObjectProperties.DispatchWpdMessage(CommandKey, pParams, pResults);
+        }
+        else if (CommandKey.fmtid == WPD_CATEGORY_OBJECT_RESOURCES)
+        {
+            hr = m_ObjectResources.DispatchWpdMessage(CommandKey, pParams, pResults);
+        }
+        else if (CommandKey.fmtid == WPD_CATEGORY_CAPABILITIES)
+        {
+            hr = m_Capabilities.DispatchWpdMessage(CommandKey, pParams, pResults);
+        }
+        else if(CommandKey.fmtid == WPD_CATEGORY_OBJECT_MANAGEMENT)
+        {
+            hr = m_ObjectManagement.DispatchWpdMessage(CommandKey, pParams, pResults);
+        }
+        else if(CommandKey.fmtid == WPD_CATEGORY_OBJECT_PROPERTIES_BULK)
+        {
+            hr = m_ObjectPropertiesBulk.DispatchWpdMessage(CommandKey, pParams, pResults);
+        }
+        else if (IsEqualPropertyKey(CommandKey, WPD_COMMAND_COMMON_GET_OBJECT_IDS_FROM_PERSISTENT_UNIQUE_IDS))
+        {
+            hr = OnGetObjectIDsFromPersistentUniqueIDs(pParams, pResults);
+        }
+        else if(IsEqualPropertyKey(CommandKey, WPD_COMMAND_COMMON_SAVE_CLIENT_INFORMATION))
+        {
+            hr = OnSaveClientInfo(pParams, pResults);
+        }
+        else if (CommandKey.fmtid == WPD_CATEGORY_SERVICE_COMMON        || 
+                 CommandKey.fmtid == WPD_CATEGORY_SERVICE_METHODS       ||
+                 CommandKey.fmtid == WPD_CATEGORY_SERVICE_CAPABILITIES)
+        {
+            hr = m_Service.DispatchWpdMessage(CommandKey, pParams, pResults);
+        }
+        else
+        {
+            hr = E_NOTIMPL;
+            CHECK_HR(hr, "Unknown command %ws.%d received",CComBSTR(CommandKey.fmtid), CommandKey.pid);
+        }
+    }
+
+    HRESULT hrTemp = pResults->SetErrorValue(WPD_PROPERTY_COMMON_HRESULT, hr);
+    CHECK_HR(hrTemp, ("Failed to set WPD_PROPERTY_COMMON_HRESULT"));
+
+    // Set to a success code, to indicate that the message was received.
+    // the return code for the actual command's results is stored in the
+    // WPD_PROPERTY_COMMON_HRESULT property.
+    hr = S_OK;
+
+    return hr;
+}
+
+/**
+ *  This method is called when we receive a WPD_COMMAND_COMMON_GET_OBJECT_IDS_FROM_PERSISTENT_UNIQUE_IDS
+ *  command.
+ *
+ *  The parameters sent to us are:
+ *  - WPD_PROPERTY_COMMON_PERSISTENT_UNIQUE_IDS: Contains an IPortableDevicePropVariantCollection of VT_LPWSTR,
+ *    indicating the PersistentUniqueIDs.
+ *
+ *  The driver should:
+ *  - Iterate through the PersistentUniqueIDs, and convert to a currently valid object id.
+ *    This object ID list should be returned as an IPortableDevicePropVariantCollection of VT_LPWSTR
+ *    in WPD_PROPERTY_COMMON_OBJECT_IDS.
+ *    Order is implicit, i.e. the first element in the Persistent Unique ID list corresponds to the
+ *    to the first element of the ObjectID list and so on.
+ *
+ *    For those elements where an existing ObjectID could not be found (e.g. the
+ *    object is no longer present on the device), the element will contain the
+ *    empty string (L"").
+ */
+HRESULT WpdBaseDriver::OnGetObjectIDsFromPersistentUniqueIDs(
+    _In_    IPortableDeviceValues* pParams,
+    _In_    IPortableDeviceValues* pResults)
+{
+
+    HRESULT hr      = S_OK;
+    CComPtr<IPortableDevicePropVariantCollection> pPersistentIDs;
+    CComPtr<IPortableDevicePropVariantCollection> pObjectIDs;
+
+    if((pParams    == NULL) ||
+       (pResults   == NULL))
+    {
+        hr = E_POINTER;
+        CHECK_HR(hr, "Cannot have NULL parameter");
+        return hr;
+    }
+
+    // Get the list of Persistent IDs
+    if (hr == S_OK)
+    {
+        hr = pParams->GetIPortableDevicePropVariantCollectionValue(WPD_PROPERTY_COMMON_PERSISTENT_UNIQUE_IDS, &pPersistentIDs);
+        CHECK_HR(hr, "Failed to get WPD_PROPERTY_COMMON_PERSISTENT_UNIQUE_IDS");
+    }
+
+    // Create the collection to hold the ObjectIDs
+    if (hr == S_OK)
+    {
+        hr = CoCreateInstance(CLSID_PortableDevicePropVariantCollection,
+                              NULL,
+                              CLSCTX_INPROC_SERVER,
+                              IID_IPortableDevicePropVariantCollection,
+                              (VOID**) &pObjectIDs);
+        CHECK_HR(hr, "Failed to CoCreate CLSID_PortableDevicePropVariantCollection");
+    }
+
+
+    if (hr == S_OK)
+    {
+        ACCESS_SCOPE Scope = m_Device.GetAccessScope(pParams);
+        hr = m_Device.GetObjectIDsFromPersistentUniqueIDs(Scope, pPersistentIDs, pObjectIDs);
+        CHECK_HR(hr, "Failed to get object IDs from persistent IDs");
+    }
+
+    if (hr == S_OK)
+    {
+        hr = pResults->SetIPortableDevicePropVariantCollectionValue(WPD_PROPERTY_COMMON_OBJECT_IDS, pObjectIDs);
+        CHECK_HR(hr, "Failed to set WPD_PROPERTY_COMMON_OBJECT_IDS");
+    }
+
+    return hr;
+}
+
+
+/**
+ *  This method is called when we receive a WPD_COMMAND_COMMON_SAVE_CLIENT_INFORMATION
+ *  command.
+ *
+ *  The parameters sent to us are:
+ *  - WPD_PROPERTY_COMMON_CLIENT_INFORMATION: Contains information about the client, including version
+ *    and optionally the client event cookie.
+ *
+ *  The driver should:
+ *  - Save the client information and return an LPWSTR context for this client.  
+ *    The client can be identified using this context for subsequent commands to the driver.
+ */
+HRESULT WpdBaseDriver::OnSaveClientInfo(
+    _In_    IPortableDeviceValues* pParams,
+    _In_    IPortableDeviceValues* pResults)
+{
+
+    HRESULT         hr              = S_OK;
+    GUID            guidContext     = GUID_NULL;
+    CComBSTR        bstrContext;
+    ClientContext*  pContext        = NULL;
+    ContextMap*     pContextMap     = NULL;
+
+    CComPtr<IPortableDeviceValues> pClientInfo;
+
+    if((pParams    == NULL) ||
+       (pResults   == NULL))
+    {
+        hr = E_POINTER;
+        CHECK_HR(hr, "Cannot have NULL parameter");
+        return hr;
+    }
+
+    hr = CoCreateGuid(&guidContext);
+    if (hr == S_OK)
+    {
+        bstrContext = guidContext;
+        if(bstrContext.Length() == 0)
+        {
+            hr = E_OUTOFMEMORY;
+            CHECK_HR(hr, "Failed to create BSTR from GUID");
+        }
+    }
+
+    // Get the client info
+    if (hr == S_OK)
+    {
+        hr = pParams->GetIPortableDeviceValuesValue(WPD_PROPERTY_COMMON_CLIENT_INFORMATION, &pClientInfo);
+        CHECK_HR(hr, "Failed to get WPD_PROPERTY_COMMON_CLIENT_INFORMATION");
+    }
+
+    // Get the context map which the driver stored in pParams for convenience
+    if (hr == S_OK)
+    {
+        hr = GetClientContextMap(pParams, &pContextMap);
+        CHECK_HR(hr, "Failed to get client context map");
+    }
+
+    // Create the new client info context we will save in the context map
+    if (hr == S_OK)
+    {
+        pContext = new ClientContext();
+        if(pContext == NULL)
+        {
+            hr = E_OUTOFMEMORY;
+            CHECK_HR(hr, ("Could not allocate memory for client info context"));
+        }
+    }
+
+    // Save the client info.  Since these are optional, none of this is fatal if
+    // they don't exist.
+    if (hr == S_OK)
+    {
+        LPWSTR pszClientName    = NULL;
+        LPWSTR pszEventCookie   = NULL;
+
+        pClientInfo->GetStringValue(WPD_CLIENT_NAME, &pszClientName);
+        if(pszClientName != NULL)
+        {
+            pContext->ClientName = pszClientName;
+        }
+        pClientInfo->GetUnsignedIntegerValue(WPD_CLIENT_MAJOR_VERSION, &(pContext->MajorVersion));
+        pClientInfo->GetUnsignedIntegerValue(WPD_CLIENT_MINOR_VERSION, &(pContext->MinorVersion));
+        pClientInfo->GetUnsignedIntegerValue(WPD_CLIENT_REVISION,      &(pContext->Revision));
+        
+        pClientInfo->GetStringValue(WPD_CLIENT_EVENT_COOKIE, &pszEventCookie);
+        if (pszEventCookie != NULL)
+        {
+            pContext->EventCookie = pszEventCookie;
+        }
+
+        CoTaskMemFree(pszClientName);
+        CoTaskMemFree(pszEventCookie);
+    }
+
+    if ((hr == S_OK) &&
+        (pContext->ClientName.GetLength() > 0) &&
+        (pContextMap != NULL))
+    {
+        CAtlStringW strContext;
+        hr = pContextMap->Add(pContext, strContext);
+        CHECK_HR(hr, "Failed to add client info context to context map");
+
+        if (hr == S_OK)
+        {
+            hr = pResults->SetStringValue(WPD_PROPERTY_COMMON_CLIENT_INFORMATION_CONTEXT, strContext);
+            CHECK_HR(hr, "Failed to set WPD_PROPERTY_COMMON_CLIENT_INFORMATION_CONTEXT");
+        }
+    }
+
+    SAFE_RELEASE(pContext);
+    SAFE_RELEASE(pContextMap);
+
+    return hr;
+}