ACE/ace/Ping_Socket.h

   1 // -*- C++ -*-
   2
   3 //=============================================================================
   4 /**
   5  *  @file    Ping_Socket.h
   6  *
   7  *  @author Robert S. Iakobashvili <coroberti@gmail.com> <coroberti@walla.co.il>
   8  *  @author Gonzalo A. Diethelm <gonzalo.diethelm@aditiva.com>
   9  */
  10 //=============================================================================
  11
  12 #ifndef ACE_PING_SOCKET_H
  13 #define ACE_PING_SOCKET_H
  14
  15 #include /**/ "ace/pre.h"
  16
  17 #include /**/ "ace/ACE_export.h"
  18
  19 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  20 # pragma once
  21 #endif /* ACE_LACKS_PRAGMA_ONCE */
  22
  23 #if defined (ACE_HAS_ICMP_SUPPORT) && (ACE_HAS_ICMP_SUPPORT == 1)
  24
  25 #include "ace/ICMP_Socket.h"
  26
  27 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  28
  29 class ACE_INET_Addr;
  30
  31 /**
  32  * @class ACE_Ping_Socket
  33  *
  34  * @brief This class is useful to perform ICMP echo checks (pinging)
  35  * on the party of your interest.  It may be used as well to check
  36  * LAN-adapters against 3rd parties.
  37  */
  38 class ACE_Export ACE_Ping_Socket : public ACE_ICMP_Socket
  39 {
  40   typedef ACE_ICMP_Socket inherited;
  41 public:
  42   /// Default constructor.
  43   ACE_Ping_Socket (void);
  44
  45   ACE_Ping_Socket (ACE_Addr const & local,
  46                    int protocol    = IPPROTO_ICMP,
  47                    int reuse_addr  = 0);
  48
  49   /// Destructor.
  50   ~ACE_Ping_Socket (void);
  51
  52   /// Wrapper around the BSD-style @c socket system call (no QoS).
  53   int open (ACE_Addr const & local = ACE_Addr::sap_any,
  54             int protocol = IPPROTO_ICMP,
  55             int reuse_addr = 0);
  56
  57   /// @a to_connect = true - makes connect to remote address
  58   int send_echo_check (ACE_INET_Addr & remote_addr,
  59                        bool to_connect = false);
  60
  61   /// To receive @c ICMP_ECHOREPLY. To be called after successfully
  62   /// sending @c ICMP_ECHO.
  63   int process_incoming_dgram (char * ptr, ssize_t len);
  64
  65   /// @a to_connect = true - makes connect to remote address
  66   int make_echo_check (ACE_INET_Addr & remote_addr,
  67                        bool to_connect = false,
  68                        ACE_Time_Value const * timeout = &time_default_);
  69
  70   char * icmp_recv_buff (void);
  71
  72   /// Dump the state of an object.
  73   void dump () const;
  74
  75   /// Declare the dynamic allocation hooks.
  76   ACE_ALLOC_HOOK_DECLARE;
  77
  78 public:
  79
  80   enum
  81     {
  82       PING_BUFFER_SIZE = (1024 * 2)
  83     };
  84
  85   static ACE_Time_Value const time_default_;
  86
  87 private:
  88
  89   int receive_echo_reply (ACE_Time_Value const * timeout);
  90
  91   /// Do not allow this function to percolate up to this interface.
  92   int get_remote_addr (ACE_INET_Addr &addr) const;
  93
  94   char icmp_send_buff_[PING_BUFFER_SIZE];
  95   char icmp_recv_buff_[PING_BUFFER_SIZE];
  96
  97   ACE_UINT16 sequence_number_;
  98
  99   bool connected_socket_;
 100 };
 101
 102 ACE_END_VERSIONED_NAMESPACE_DECL
 103
 104 #if defined (__ACE_INLINE__)
 105 # include "ace/Ping_Socket.inl"
 106 #endif /* __ACE_INLINE__ */
 107
 108 #endif  /* ACE_HAS_ICMP_SUPPORT == 1 */
 109
 110 #include /**/ "ace/post.h"
 111
 112 #endif /* ACE_PING_SOCKET_H */