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140 lines
3.6 KiB
C++
140 lines
3.6 KiB
C++
// -*- C++ -*-
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//=============================================================================
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/**
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* @file SOCK_Dgram_Bcast.h
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*
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* $Id: SOCK_Dgram_Bcast.h 80826 2008-03-04 14:51:23Z wotte $
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*
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* @author Doug Schmidt
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*/
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//=============================================================================
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#ifndef ACE_SOCK_DGRAM_BCAST_H
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#define ACE_SOCK_DGRAM_BCAST_H
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#include /**/ "ace/pre.h"
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#include /**/ "ace/ACE_export.h"
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#if !defined (ACE_LACKS_PRAGMA_ONCE)
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# pragma once
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#endif /* ACE_LACKS_PRAGMA_ONCE */
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#include "ace/SOCK_Dgram.h"
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#include "ace/INET_Addr.h"
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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/**
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* @class ACE_Bcast_Node
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*
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* @brief Linked list of broadcast interfaces.
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*/
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class ACE_Export ACE_Bcast_Node
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{
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public:
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/// Default constructor.
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ACE_Bcast_Node (ACE_INET_Addr &,
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ACE_Bcast_Node *);
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/// Destructor.
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~ACE_Bcast_Node (void);
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/// Broadcast address for the interface.
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ACE_INET_Addr bcast_addr_;
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/// Pointer to the next interface in the chain.
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ACE_Bcast_Node *next_;
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};
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/**
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* @class ACE_SOCK_Dgram_Bcast
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*
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* @brief Defines the member functions for the ACE_SOCK datagram
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* abstraction.
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*/
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class ACE_Export ACE_SOCK_Dgram_Bcast : public ACE_SOCK_Dgram
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{
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public:
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// = Initialization and termination methods.
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/// Default constructor.
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ACE_SOCK_Dgram_Bcast (void);
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ACE_SOCK_Dgram_Bcast (const ACE_Addr &local,
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int protocol_family = PF_INET,
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int protocol = 0,
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int reuse_addr = 0,
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const ACE_TCHAR *host_name = 0);
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/// Default dtor.
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~ACE_SOCK_Dgram_Bcast (void);
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// Initiate a connectionless datagram broadcast endpoint.
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/// Initiate a connectionless datagram broadcast endpoint.
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int open (const ACE_Addr &local,
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int protocol_family = PF_INET,
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int protocol = 0,
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int reuse_addr = 0,
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const ACE_TCHAR *host_name = 0);
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/// Close up and release dynamically allocated resources.
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int close (void);
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/// Broadcast the datagram to every interface. Returns the average
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/// number of bytes sent.
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ssize_t send (const void *buf,
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size_t n,
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u_short portnum,
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int flags = 0) const;
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/// Broadcast the @c iov datagrams to every interface. Returns the
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/// average number of bytes sent.
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ssize_t send (const iovec iov[],
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int n,
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u_short portnum,
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int flags = 0) const;
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/// Broadcast an N byte datagram to ADDR (note that addr must be
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/// preassigned to the broadcast address of the subnet...).
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ssize_t send (const void *buf,
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size_t n,
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const ACE_Addr &addr,
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int flags = 0) const;
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/**
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* Broadcast an @a iovec of size @a n to @a addr as a datagram (note
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* that addr must be preassigned to the broadcast address of the
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* subnet...)
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*/
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ssize_t send (const iovec iov[],
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int n,
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const ACE_Addr &addr,
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int flags = 0) const;
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/// Dump the state of an object.
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void dump (void) const;
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/// Declare the dynamic allocation hooks.
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ACE_ALLOC_HOOK_DECLARE;
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private:
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/// Make broadcast available for Datagram socket.
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int mk_broadcast (const ACE_TCHAR *host_name);
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/// Points to the head of the list of broadcast interfaces.
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ACE_Bcast_Node *if_list_;
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/// Do not allow this function to percolate up to this interface...
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int get_remote_addr (ACE_Addr &) const;
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};
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ACE_END_VERSIONED_NAMESPACE_DECL
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#if defined (__ACE_INLINE__)
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#include "ace/SOCK_Dgram_Bcast.inl"
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#endif /* __ACE_INLINE__ */
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#include /**/ "ace/post.h"
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#endif /* ACE_SOCK_DGRAM_BCAST_H */
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