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