libace-dev 6.3.3+dfsg-1 / usr / include / ace / Ping_Socket.h

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// -*- C++ -*-

//=============================================================================
/**
 *  @file    Ping_Socket.h
 *
 *  @author Robert S. Iakobashvili <coroberti@gmail.com> <coroberti@walla.co.il>
 *  @author Gonzalo A. Diethelm <gonzalo.diethelm@aditiva.com>
 */
//=============================================================================

#ifndef ACE_PING_SOCKET_H
#define ACE_PING_SOCKET_H

#include /**/ "ace/pre.h"

#include /**/ "ace/ACE_export.h"

#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */

#if defined (ACE_HAS_ICMP_SUPPORT) && (ACE_HAS_ICMP_SUPPORT == 1)

#include "ace/ICMP_Socket.h"

ACE_BEGIN_VERSIONED_NAMESPACE_DECL

class ACE_INET_Addr;

/**
 * @class ACE_Ping_Socket
 *
 * @brief This class is useful to perform ICMP echo checks (pinging)
 * on the party of your interest.  It may be used as well to check
 * LAN-adapters against 3rd parties.
 */
class ACE_Export ACE_Ping_Socket : public ACE_ICMP_Socket
{
  typedef ACE_ICMP_Socket inherited;

public:

  // = Initialization and termination methods.

  /// Default constructor.
  ACE_Ping_Socket (void);

  ACE_Ping_Socket (ACE_Addr const & local,
                   int protocol    = IPPROTO_ICMP,
                   int reuse_addr  = 0);

  /// Destructor.
  ~ACE_Ping_Socket (void);

  /// Wrapper around the BSD-style @c socket system call (no QoS).
  int open (ACE_Addr const & local = ACE_Addr::sap_any,
            int protocol = IPPROTO_ICMP,
            int reuse_addr = 0);

  /// @a to_connect = true - makes connect to remote address
  int send_echo_check (ACE_INET_Addr & remote_addr,
                       bool to_connect = false);

  /// To receive @c ICMP_ECHOREPLY. To be called after successfully
  /// sending @c ICMP_ECHO.
  int process_incoming_dgram (char * ptr, ssize_t len);

  /// @a to_connect = true - makes connect to remote address
  int make_echo_check (ACE_INET_Addr & remote_addr,
                       bool to_connect = false,
                       ACE_Time_Value const * timeout = &time_default_);

  char * icmp_recv_buff (void);

  /// Dump the state of an object.
  void dump (void) const;

  /// Declare the dynamic allocation hooks.
  ACE_ALLOC_HOOK_DECLARE;

public:

  enum
    {
      PING_BUFFER_SIZE = (1024 * 2)
    };

  static ACE_Time_Value const time_default_;

private:

  int receive_echo_reply (ACE_Time_Value const * timeout);

  /// Do not allow this function to percolate up to this interface.
  int get_remote_addr (ACE_INET_Addr &addr) const;

  char icmp_send_buff_[PING_BUFFER_SIZE];
  char icmp_recv_buff_[PING_BUFFER_SIZE];

  ACE_UINT16 sequence_number_;

  bool connected_socket_;
};

ACE_END_VERSIONED_NAMESPACE_DECL

#if defined (__ACE_INLINE__)
# include "ace/Ping_Socket.inl"
#endif /* __ACE_INLINE__ */

#endif  /* ACE_HAS_ICMP_SUPPORT == 1 */

#include /**/ "ace/post.h"

#endif /* ACE_PING_SOCKET_H */

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