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