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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ace
//
// = FILENAME
// INET_Addr.h
//
// = AUTHOR
// Doug Schmidt
//
// ============================================================================
#ifndef ACE_INET_ADDR_H
#define ACE_INET_ADDR_H
#include "ace/ACE.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Addr.h"
class ACE_Export ACE_INET_Addr : public ACE_Addr
{
// = TITLE
// Defines a C++ wrapper facade for the Internet domain address
// family format.
public:
// = Initialization methods.
ACE_INET_Addr (void);
// Default constructor.
ACE_INET_Addr (const ACE_INET_Addr &);
// Copy constructor.
ACE_INET_Addr (const sockaddr_in *, int len);
// Creates an <ACE_INET_Addr> from a sockaddr_in structure.
ACE_INET_Addr (u_short port_number, const ASYS_TCHAR host_name[]);
// Creates an <ACE_INET_Addr> from a <port_number> and the remote
// <host_name>.
ACE_INET_Addr (const ASYS_TCHAR address[]);
// Initializes an <ACE_INET_Addr> from the <address>, which can be
// "ip-number:port-number" (e.g., "tango.cs.wustl.edu:1234" or
// "128.252.166.57:1234"). If there is no ':' in the <address> it
// is assumed to be a port number, with the IP address being
// INADDR_ANY.
ACE_INET_Addr (u_short port_number,
ACE_UINT32 ip_addr = INADDR_ANY);
// Creates an <ACE_INET_Addr> from a <port_number> and an Internet
// <ip_addr>. This method assumes that <port_number> and <ip_addr>
// are in host byte order.
ACE_INET_Addr (const ASYS_TCHAR port_name[],
const ASYS_TCHAR host_name[]);
// Uses <getservbyname> to create an <ACE_INET_Addr> from a
// <port_name> and the remote <host_name>.
ACE_INET_Addr (const ASYS_TCHAR port_name[],
ACE_UINT32 ip_addr);
// Uses <getservbyname> to create an <ACE_INET_Addr> from a
// <port_name> and an Internet <ip_addr>. This method assumes that
// <ip_addr> is in host byte order.
~ACE_INET_Addr (void);
// Default dtor.
// = Direct initialization methods.
// These methods are useful after the object has been constructed.
int set (const ACE_INET_Addr &);
// Initializes from another <ACE_INET_Addr>.
int set (u_short port_number,
const ASYS_TCHAR host_name[],
int encode = 1);
// Initializes an <ACE_INET_Addr> from a <port_number> and the
// remote <host_name>. If <encode> is enabled then <port_number> is
// converted into network byte order, otherwise it is assumed to be
// in network byte order already and are passed straight through.
int set (u_short port_number,
ACE_UINT32 ip_addr = INADDR_ANY,
int encode = 1);
// Initializes an <ACE_INET_Addr> from a <port_number> and an
// Internet <ip_addr>. If <encode> is enabled then <port_number>
// and <ip_addr> are converted into network byte order, otherwise
// they are assumed to be in network byte order already and are
// passed straight through.
int set (const ASYS_TCHAR port_name[],
const ASYS_TCHAR host_name[]);
// Uses <getservbyname> to initialize an <ACE_INET_Addr> from a
// <port_name> and the remote <host_name>.
int set (const ASYS_TCHAR port_name[],
ACE_UINT32 ip_addr);
// Uses <getservbyname> to initialize an <ACE_INET_Addr> from a
// <port_name> and an Internet address. This assumes that <ip_addr>
// is already in network byte order.
int set (const ASYS_TCHAR addr[]);
// Initializes an <ACE_INET_Addr> from the <addr>, which can be
// "ip-number:port-number" (e.g., "tango.cs.wustl.edu:1234" or
// "128.252.166.57:1234"). If there is no ':' in the <address> it
// is assumed to be a port number, with the IP address being
// INADDR_ANY.
int set (const sockaddr_in *,
int len);
// Creates an <ACE_INET_Addr> from a sockaddr_in structure.
virtual void *get_addr (void) const;
// Return a pointer to the underlying network address.
virtual void set_addr (void *, int len);
// Set a pointer to the address.
virtual int addr_to_string (ASYS_TCHAR buffer[],
size_t size,
int ipaddr_format = 1) const;
// Transform the current <ACE_INET_Addr> address into string format.
// If <ipaddr_format> is non-0 this produces "ip-number:port-number"
// (e.g., "128.252.166.57:1234"), whereas if <ipaddr_format> is 0
// this produces "ip-name:port-number" (e.g.,
// "tango.cs.wustl.edu:1234"). Returns -1 if the <size> of the
// <buffer> is too small, else 0.
virtual int string_to_addr (const ASYS_TCHAR address[]);
// Initializes an <ACE_INET_Addr> from the <address>, which can be
// "ip-addr:port-number" (e.g., "tango.cs.wustl.edu:1234"),
// "ip-addr:port-name" (e.g., "tango.cs.wustl.edu:telnet"),
// "ip-number:port-number" (e.g., "128.252.166.57:1234"), or
// "ip-number:port-name" (e.g., "128.252.166.57:telnet"). If there
// is no ':' in the <address> it is assumed to be a port number,
// with the IP address being INADDR_ANY.
void set_port_number (u_short,
int encode = 1);
// Sets the port number without affecting the host name. If
// <encode> is enabled then <port_number> is converted into network
// byte order, otherwise it is assumed to be in network byte order
// already and are passed straight through.
u_short get_port_number (void) const;
// Return the port number, converting it into host byte order.
int get_host_name (ASYS_TCHAR hostname[],
size_t hostnamelen) const;
// Return the character representation of the name of the host,
// storing it in the <hostname> (which is assumed to be
// <hostnamelen> bytes long). This version is reentrant.
const ASYS_TCHAR *get_host_name (void) const;
// Return the character representation of the hostname (this version
// is non-reentrant since it returns a pointer to a static data
// area).
const char *get_host_addr (void) const;
// Return the "dotted decimal" Internet address.
ACE_UINT32 get_ip_address (void) const;
// Return the 4-byte IP address, converting it into host byte
// order.
int operator == (const ACE_INET_Addr &SAP) const;
// Compare two addresses for equality. The addresses are considered
// equal if they contain the same IP address and port number.
int operator != (const ACE_INET_Addr &SAP) const;
// Compare two addresses for inequality.
virtual u_long hash (void) const;
// Computes and returns hash value.
void dump (void) const;
// Dump the state of an object.
ACE_ALLOC_HOOK_DECLARE;
// Declare the dynamic allocation hooks.
private:
sockaddr_in inet_addr_;
// Underlying representation.
};
#if defined (__ACE_INLINE__)
#include "ace/INET_Addr.i"
#endif /* __ACE_INLINE__ */
#endif /* ACE_INET_ADDR_H */
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