1 /*

     2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    24 

    25 #ifndef OS_WINDOWS_VM_IPHLP_INTERFACE_HPP

    26 #define OS_WINDOWS_VM_IPHLP_INTERFACE_HPP

    27 

    28 #include "memory/allocation.hpp"

    29 #include "utilities/macros.hpp"

    30 #include <WinSock2.h>

    31 #include <ws2ipdef.h>

    32 #include <iphlpapi.h>

    33 

    34 class IphlpDll : public AllStatic {

    35  private:

    36   static LONG       _iphlp_reference_count;

    37   static LONG       _critical_section;

    38   static LONG       _initialized;

    39   static HMODULE    _hModule;

    40   static void       initialize(void);

    41   static DWORD(WINAPI *_GetIfTable2)(PMIB_IF_TABLE2*);

    42   static DWORD(WINAPI *_FreeMibTable)(PVOID);

    43 

    44  public:

    45   static DWORD GetIfTable2(PMIB_IF_TABLE2*);

    46   static DWORD FreeMibTable(PVOID);

    47   static bool       IphlpAttach(void);

    48   static bool       IphlpDetach(void);

    49 };

    50 

    51 #endif // OS_WINDOWS_VM_IPHLP_INTERFACE_HPP