More Dokan changes

SiaDrive.Dokan.Api/SiaDokenDrive.cpp

@@ -6,7 +6,13 @@
 using namespace Sia::Api;
 using namespace Sia::Api::Dokan;
 
-static NTSTATUS DOKAN_CALLBACK _ZwCreateFile(
+
+static bool s_dokenInitialized = false;
+static CSiaDokenDrive* s_dokenDrive = nullptr;
+static DOKAN_OPERATIONS s_dokanOps = {0};
+
+
+static NTSTATUS DOKAN_CALLBACK SiaDrive_ZwCreateFile(
 	LPCWSTR FileName, 
 	PDOKAN_IO_SECURITY_CONTEXT SecurityContext,
 	ACCESS_MASK DesiredAccess, 
@@ -18,16 +24,31 @@ static NTSTATUS DOKAN_CALLBACK _ZwCreateFile(
 {
 }
 
+
 CSiaDokenDrive::CSiaDokenDrive(CSiaApi& siaApi) :
 	_siaApi(siaApi)
 {
+	if (s_dokenDrive)
+	{
+		throw SiaDokenDriveException("Sia drive has already been activated");
+	}
+	else
+	{
+		s_dokenDrive = this;
+		s_dokanOps.ZwCreateFile = SiaDrive_ZwCreateFile;
+	}
 }
 
 CSiaDokenDrive::~CSiaDokenDrive()
 {
+	Unmount();
+	s_dokenDrive = nullptr;
 }
 
-void CSiaDokenDrive::InitializeOperations()
+void CSiaDokenDrive::Mount(const wchar_t& driveLetter)
 {
+}
 
+void CSiaDokenDrive::Unmount()
+{
 }

SiaDrive.Dokan.Api/SiaDokenDrive.h

@@ -5,10 +5,22 @@ NS_BEGIN(Sia)
 NS_BEGIN(Api)
 NS_BEGIN(Dokan)
 
+class SiaDokenDriveException : 
+	std::exception
+{
+public:
+	SiaDokenDriveException(char* message) : 
+		std::exception(message)
+	{
+
+	}
+};
+
 class AFX_EXT_CLASS CSiaDokenDrive
 {
 public:
-	CSiaDokenDrive(CSiaApi& siaApi);
+	// throws SiaDokenDriveException
+	CSiaDokenDrive(CSiaApi& siaApi); 
 
 public:
 	~CSiaDokenDrive();
@@ -16,8 +28,10 @@ public:
 private:
 	CSiaApi& _siaApi;
 
-private:
-	void InitializeOperations();
+public:
+	void Mount(const wchar_t& driveLetter);
+
+	void Unmount( );
 };
 
 NS_END(3)

SiaDrive.Dokan.Api/stdafx.h

@@ -7,7 +7,6 @@
 #ifndef VC_EXTRALEAN
 #define VC_EXTRALEAN            // Exclude rarely-used stuff from Windows headers
 #endif
-
 #include "targetver.h"
 
 #define _ATL_CSTRING_EXPLICIT_CONSTRUCTORS      // some CString constructors will be explicit