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nmicmpstructs.h
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Upload Date: 2019-04-29
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Game Server Simulator

Development Platform:

C/C++

nmicmpstructs.h：Code Content
  1. //=============================================================================
  2. //  Microsoft (R) Network Monitor (tm). 
  3. //  Copyright (C) 1993-1999. All rights reserved.
  4. //
  5. //  MODULE: nmicmpstructs.h
  6. //
  7. //  Definitions/#defines for parsing ICMP frames.
  8. //=============================================================================
  10. #ifndef NMICMPSTRUCTS_H
  11. #define NMICMPSTRUCTS_H
  13. #include <nmipstructs.h>
  15. #ifdef __cplusplus
  16. extern "C"
  17. {
  18. #endif
  20. //
  21. // ICMP Frame Structure
  22. //
  24. typedef struct _RequestReplyFields 
  25. {
  26.    WORD ID;
  27.    WORD SeqNo;
  28. } ReqReply;
  30. typedef struct _ParameterProblemFields 
  31. {
  32.    BYTE Pointer;
  33.    BYTE junk[3];
  34. } ParmProb;
  36. typedef struct _TimestampFields 
  37. {
  38.    DWORD tsOrig;
  39.    DWORD tsRecv;
  40.    DWORD tsXmit;
  41. } TS;
  43. typedef struct _RouterAnnounceHeaderFields
  44. {
  45.     BYTE NumAddrs;
  46.     BYTE AddrEntrySize;
  47.     WORD Lifetime;
  48. } RouterAH;
  50. typedef struct _RouterAnnounceEntry
  51. {
  52.     DWORD Address;
  53.     DWORD PreferenceLevel;
  54. } RouterAE;
  56. typedef struct _ICMP 
  57. {
  58.    BYTE Type;
  59.    BYTE Code;
  60.    WORD Checksum;
  61.    union
  62.    {
  63.       DWORD    Unused;
  64.       DWORD    Address;
  65.       ReqReply RR;
  66.       ParmProb PP;
  67.       RouterAH RAH;     
  68.    };
  70.    union
  71.    {
  72.       TS       Time;
  73.       IP       IP;
  74. #pragma warning(disable:4200)
  75.       RouterAE RAE[0];
  76. #pragma warning(default:4200)
  77.    };
  78. } ICMP;
  80. typedef ICMP * LPICMP;
  81. typedef ICMP UNALIGNED * ULPICMP;
  83. #define ICMP_HEADER_LENGTH (8)
  84. #define ICMP_IP_DATA_LENGTH   (8)   // # of *BYTES* of IP data to attach to
  85.                                     // datagram in addition to IP header
  86. //
  87. // ICMP Packet Types
  88. //
  90. #define ECHO_REPLY                     0
  91. #define DESTINATION_UNREACHABLE        3
  92. #define SOURCE_QUENCH                  4
  93. #define REDIRECT                       5
  94. #define ECHO                           8
  95. #define ROUTER_ADVERTISEMENT           9
  96. #define ROUTER_SOLICITATION           10
  97. #define TIME_EXCEEDED                 11
  98. #define PARAMETER_PROBLEM             12
  99. #define TIMESTAMP                     13
  100. #define TIMESTAMP_REPLY               14
  101. #define INFORMATION_REQUEST           15
  102. #define INFORMATION_REPLY             16
  103. #define ADDRESS_MASK_REQUEST          17
  104. #define ADDRESS_MASK_REPLY            18
  106. #ifdef __cplusplus
  107. }
  108. #endif
  110. #endif NMICMPSTRUCTS_H