base/applications/network/tracert/tracert.h

   1 #define WIN32_LEAN_AND_MEAN
   2 #include <winsock2.h>
   3 #include <tchar.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <ws2tcpip.h>
   7 #include <string.h>
   8 #include <time.h>
   9
  10 #define ECHO_REPLY 0
  11 #define DEST_UNREACHABLE 3
  12 #define ECHO_REQUEST 8
  13 #define TTL_EXCEEDED 11
  14
  15 #define MAX_PING_PACKET_SIZE 1024
  16 #define MAX_PING_DATA_SIZE (MAX_PING_PACKET_SIZE + sizeof(IPv4Header))
  17 #define PACKET_SIZE 32
  18 #define ICMP_MIN_SIZE 8
  19
  20 /* we need this for packets which have the 'dont fragment'
  21  * bit set, as they can get quite large otherwise */
  22 #define MAX_REC_SIZE 200
  23
  24 /* pack the structures */
  25 #include <pshpack1.h>
  26
  27 /* IPv4 Header, 20 bytes */
  28 typedef struct IPv4Header
  29 {
  30     BYTE h_len:4;
  31     BYTE version:4;
  32     BYTE tos;
  33     USHORT length;
  34     USHORT id;
  35     USHORT flag_frag;
  36     BYTE ttl;
  37     BYTE proto;
  38     USHORT checksum;
  39     ULONG source;
  40     ULONG dest;
  41 } IPv4_HEADER, *PIPv4_HEADER;
  42
  43 /* ICMP Header, 8 bytes */
  44 typedef struct ICMPHeader
  45 {
  46     BYTE type;
  47     BYTE code;
  48     USHORT checksum;
  49     USHORT id; // not used in time exceeded
  50     USHORT seq; // not used in time exceeded
  51 } ICMP_HEADER, *PICMP_HEADER;
  52
  53 /* ICMP Echo Reply Header */
  54 typedef struct EchoReplyHeader
  55 {
  56     struct ICMPHeader icmpheader;
  57 } ECHO_REPLY_HEADER, *PECHO_REPLY_HEADER;
  58
  59 #include <poppack.h>
  60
  61 typedef struct _APPINFO
  62 {
  63     SOCKET icmpSock;                // socket descriptor
  64     SOCKADDR_IN source, dest;       // source and destination address info
  65     PECHO_REPLY_HEADER SendPacket;   // ICMP echo packet
  66     PIPv4_HEADER RecvPacket;         // return reveive packet
  67
  68     BOOL bUsePerformanceCounter;    // whether to use the high res performance counter
  69     LARGE_INTEGER TicksPerMs;       // number of millisecs in relation to proc freq
  70     LARGE_INTEGER TicksPerUs;       // number of microsecs in relation to proc freq
  71     LONGLONG lTimeStart;            // send packet, timer start
  72     LONGLONG lTimeEnd;              // receive packet, timer end
  73
  74     BOOL bResolveAddresses;         // -d  MS ping defaults to true.
  75     INT iMaxHops;                   // -h  Max number of hops before trace ends
  76     INT iHostList;                  // -j  Source route
  77     INT iTimeOut;                   // -w  time before packet times out
  78
  79 } APPINFO, *PAPPINFO;