1 files changed, 147 insertions, 0 deletions
diff --git a/src/ipcman/ipcmanagerimpl.h b/src/ipcman/ipcmanagerimpl.h
new file mode 100644
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+++ b/src/ipcman/ipcmanagerimpl.h
@@ -0,0 +1,147 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// ==++==
+//
+ 
+//
+// ==--==
+//*****************************************************************************
+// File: IPCManagerImpl.h
+//
+// Defines Classes to implement InterProcess Communication Manager for a COM+
+//
+//*****************************************************************************
+
+#ifndef _IPCManagerImpl_H_
+#define _IPCManagerImpl_H_
+
+#include <aclapi.h>
+
+#include "contract.h"
+#include "ipcenums.h"
+
+
+// Version of the IPC Block that this lib was compiled for
+const USHORT VER_IPC_BLOCK = 4;
+
+// Versions for the legacy IPC Blocks
+const USHORT VER_LEGACYPRIVATE_IPC_BLOCK = 2;
+const USHORT VER_LEGACYPUBLIC_IPC_BLOCK = 3;
+
+struct LegacyPrivateIPCControlBlock;
+
+
+//-----------------------------------------------------------------------------
+// Implementation for the IPCManager for COM+.
+//-----------------------------------------------------------------------------
+class IPCWriterImpl
+{
+public:
+
+    IPCWriterImpl();
+    ~IPCWriterImpl();
+ 
+    BOOL IsLegacyPrivateBlockOpen() const;   
+    BOOL IsBlockTableOpen() const;    
+
+	HRESULT CreateWinNTDescriptor(DWORD pid, SECURITY_ATTRIBUTES **ppSA, EDescriptorType descType);
+
+protected:
+
+#ifndef DACCESS_COMPILE
+
+    void CloseMemoryMappedFile(HANDLE & hMemFile, void * & pBlock);
+
+    HRESULT CreateNewIPCBlock();
+    void CreateIPCHeader();    
+    void WriteEntryHelper(EIPCClient eClient, DWORD offs, DWORD size);
+    
+#endif
+
+    // Cache pointers to each section
+    struct PerfCounterIPCControlBlock   *m_pPerf;
+    struct AppDomainEnumerationIPCBlock *m_pAppDomain;
+    PCWSTR                               m_pInstancePath;
+
+    // Info on the Block Table
+    HANDLE                         m_handleBlockTable;
+    HANDLE                         m_handleBoundaryDesc;
+    HANDLE                         m_handlePrivateNamespace;
+    PSID                           m_pSID;
+    PTR_IPCControlBlockTable       m_pBlockTable;    
+    PTR_IPCControlBlock            m_pBlock;    
+    PTR_IPCControlBlockTable       m_pBackupBlock;
+
+#ifndef DACCESS_COMPILE 
+    
+    HRESULT CreateNewLegacyPrivateIPCBlock();
+    void CreateLegacyPrivateIPCHeader();
+    void WriteEntryHelper(ELegacyPrivateIPCClient eClient, DWORD offs, DWORD size);
+    
+#endif
+
+    // Stats on MemoryMapped file for the given pid
+    HANDLE                               m_handleLegacyPrivateBlock;
+    PTR_LegacyPrivateIPCControlBlock     m_ptrLegacyPrivateBlock;
+    PTR_LegacyPrivateIPCControlBlock     m_pIPCBackupBlockLegacyPrivate;
+
+    // Security attributes cached for the current process.
+    SECURITY_ATTRIBUTES                 *m_cachedPrivateDescriptor;
+
+};
+
+//-----------------------------------------------------------------------------
+// IPCReader class connects to a COM+ IPC block and reads from it
+// <TODO>@todo - make global & private readers</TODO>
+//-----------------------------------------------------------------------------
+class IPCReaderImpl
+{
+public:
+    IPCReaderImpl();
+    ~IPCReaderImpl();
+
+    BOOL TryOpenBlock(IPCHeaderReadHelper & readHelper, DWORD blockIndex);
+
+    BOOL UseWow64StructsLegacy();
+    BOOL Internal_CheckEntryEmptyLegacyPublic(DWORD Id);
+    BYTE * Internal_GetBlockLegacyPublic(DWORD Id);
+    DWORD GetNumEntriesLegacy(void * pBlock);
+    IPCEntry * GetDirectoryLegacy(void * pBlock);
+    DWORD GetOffsetBaseLegacy();
+    DWORD GetFirstExpectedOffsetLegacy();
+    USHORT GetFlagsLegacy(void * pBlock);
+    DWORD GetBlockSizeLegacy(void * pBlock);
+
+protected:
+
+    HANDLE m_handleBlockTable;
+    HANDLE m_handleBoundaryDesc;
+    HANDLE m_handlePrivateNamespace;
+    PSID m_pSID;
+    IPCControlBlockTable * m_pBlockTable;
+
+    BOOL    m_fIsTarget32Bit;
+#ifdef _DEBUG
+    BOOL    m_fInitialized;
+#endif
+
+    HANDLE  m_handleLegacyPrivateBlock;
+    LegacyPrivateIPCControlBlock * m_ptrLegacyPrivateBlock;
+    HANDLE  m_handleLegacyPublicBlock;
+
+    union
+    {
+        LegacyPublicIPCControlBlock * m_ptrLegacyPublicBlock;
+        LegacyPublicWow64IPCControlBlock  * m_ptrWow64LegacyPublicBlock;
+    };
+};
+
+//-----------------------------------------------------------------------------
+// Inline definitions
+//-----------------------------------------------------------------------------
+
+#include "ipcmanagerimpl.inl"
+
+#endif // _IPCManagerImpl_H_