ACE_INET_Addr Class Reference

Defines a C++ wrapper facade for the Internet domain address family format. More...

#include <INET_Addr.h>

Inheritance diagram for ACE_INET_Addr:
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Collaboration diagram for ACE_INET_Addr:
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List of all members.

Public Member Functions

 ACE_INET_Addr (void)
 Default constructor.
 ACE_INET_Addr (const ACE_INET_Addr &)
 Copy constructor.
 ACE_INET_Addr (const sockaddr_in *addr, int len)
 Creates an ACE_INET_Addr from a sockaddr_in structure.
 ACE_INET_Addr (u_short port_number, const char host_name[], int address_family=AF_UNSPEC)
 ACE_INET_Addr (const char address[], int address_family=AF_UNSPEC)
 ACE_INET_Addr (u_short port_number, ACE_UINT32 ip_addr=INADDR_ANY)
 ACE_INET_Addr (const char port_name[], const char host_name[], const char protocol[]="tcp")
 ACE_INET_Addr (const char port_name[], ACE_UINT32 ip_addr, const char protocol[]="tcp")
 ACE_INET_Addr (u_short port_number, const wchar_t host_name[], int address_family=AF_UNSPEC)
 ACE_INET_Addr (const wchar_t address[], int address_family=AF_UNSPEC)
 ACE_INET_Addr (const wchar_t port_name[], const wchar_t host_name[], const wchar_t protocol[]=ACE_TEXT_WIDE("tcp"))
 ACE_INET_Addr (const wchar_t port_name[], ACE_UINT32 ip_addr, const wchar_t protocol[]=ACE_TEXT_WIDE("tcp"))
 ~ACE_INET_Addr (void)
 Default dtor.
int set (const ACE_INET_Addr &)
 Initializes from another ACE_INET_Addr.
int set (u_short port_number, const char host_name[], int encode=1, int address_family=AF_UNSPEC)
int set (u_short port_number, ACE_UINT32 ip_addr=INADDR_ANY, int encode=1, int map=0)
int set (const char port_name[], const char host_name[], const char protocol[]="tcp")
int set (const char port_name[], ACE_UINT32 ip_addr, const char protocol[]="tcp")
int set (const char addr[], int address_family=AF_UNSPEC)
int set (const sockaddr_in *, int len)
 Creates an ACE_INET_Addr from a sockaddr_in structure.
int set (u_short port_number, const wchar_t host_name[], int encode=1, int address_family=AF_UNSPEC)
int set (const wchar_t port_name[], const wchar_t host_name[], const wchar_t protocol[]=ACE_TEXT_WIDE("tcp"))
int set (const wchar_t port_name[], ACE_UINT32 ip_addr, const wchar_t protocol[]=ACE_TEXT_WIDE("tcp"))
int set (const wchar_t addr[], int address_family=AF_UNSPEC)
virtual void * get_addr (void) const
 Return a pointer to the underlying network address.
int get_addr_size (void) const
virtual void set_addr (void *, int len)
 Set a pointer to the address.
virtual void set_addr (void *, int len, int map)
 Set a pointer to the address.
virtual int addr_to_string (ACE_TCHAR buffer[], size_t size, int ipaddr_format=1) const
virtual int string_to_addr (const char address[], int address_family=AF_UNSPEC)
void set_port_number (u_short, int encode=1)
int set_address (const char *ip_addr, int len, int encode=1, int map=0)
int set_interface (const char *intf_name)
u_short get_port_number (void) const
 Return the port number, converting it into host byte-order.
int get_host_name (char hostname[], size_t hostnamelen) const
int get_host_name (wchar_t hostname[], size_t hostnamelen) const
const char * get_host_name (void) const
const char * get_host_addr (char *addr, int addr_size) const
const char * get_host_addr (void) const
ACE_UINT32 get_ip_address (void) const
bool is_any (void) const
 Return true if the IP address is INADDR_ANY or IN6ADDR_ANY.
bool is_loopback (void) const
 Return true if the IP address is IPv4/IPv6 loopback address.
bool is_multicast (void) const
 Return true if the IP address is IPv4/IPv6 multicast address.
bool is_linklocal (void) const
 Return true if the IP address is IPv6 linklocal address.
bool is_ipv4_mapped_ipv6 (void) const
 Return true if the IP address is IPv4-mapped IPv6 address.
bool is_ipv4_compat_ipv6 (void) const
 Return true if the IP address is IPv4-compatible IPv6 address.
bool operator< (const ACE_INET_Addr &rhs) const
bool operator== (const ACE_INET_Addr &SAP) const
bool operator!= (const ACE_INET_Addr &SAP) const
 Compare two addresses for inequality.
bool is_ip_equal (const ACE_INET_Addr &SAP) const
virtual u_long hash (void) const
 Computes and returns hash value.
void dump (void) const
 Dump the state of an object.

Public Attributes

 ACE_ALLOC_HOOK_DECLARE
 Declare the dynamic allocation hooks.
sockaddr_in in4_
sockaddr_in6 in6_

Private Member Functions

int get_host_name_i (char hostname[], size_t hostnamelen) const
 Insure that hostname is properly null-terminated.
void * ip_addr_pointer (void) const
int ip_addr_size (void) const
int determine_type (void) const
void reset (void)
 Initialize underlying inet_addr_ to default values.

Private Attributes

union {
   sockaddr_in   in4_
   sockaddr_in6   in6_
inet_addr_

Detailed Description

Defines a C++ wrapper facade for the Internet domain address family format.


Constructor & Destructor Documentation

ACE_INET_Addr::ACE_INET_Addr ( void   ) 

Default constructor.

ACE_INET_Addr::ACE_INET_Addr ( const ACE_INET_Addr sa  ) 

Copy constructor.

ACE_INET_Addr::ACE_INET_Addr ( const sockaddr_in *  addr,
int  len 
)

Creates an ACE_INET_Addr from a sockaddr_in structure.

ACE_INET_Addr::ACE_INET_Addr ( u_short  port_number,
const char  host_name[],
int  address_family = AF_UNSPEC 
)

Creates an ACE_INET_Addr from a port_number and the remote host_name. The port number is assumed to be in host byte order. To set a port already in network byte order, please

See also:
set(). Use address_family to select IPv6 (PF_INET6) vs. IPv4 (PF_INET).
ACE_INET_Addr::ACE_INET_Addr ( const char  address[],
int  address_family = AF_UNSPEC 
) [explicit]

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::ACE_INET_Addr ( u_short  port_number,
ACE_UINT32  ip_addr = INADDR_ANY 
) [explicit]

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. If you have addressing information in network byte order,

See also:
set().
ACE_INET_Addr::ACE_INET_Addr ( const char  port_name[],
const char  host_name[],
const char  protocol[] = "tcp" 
)

Uses <getservbyname> to create an ACE_INET_Addr from a <port_name>, the remote host_name, and the protocol.

ACE_INET_Addr::ACE_INET_Addr ( const char  port_name[],
ACE_UINT32  ip_addr,
const char  protocol[] = "tcp" 
)

Uses <getservbyname> to create an ACE_INET_Addr from a <port_name>, an Internet ip_addr, and the protocol. This method assumes that ip_addr is in host byte order.

ACE_INET_Addr::ACE_INET_Addr ( u_short  port_number,
const wchar_t  host_name[],
int  address_family = AF_UNSPEC 
)
ACE_INET_Addr::ACE_INET_Addr ( const wchar_t  address[],
int  address_family = AF_UNSPEC 
) [explicit]
ACE_INET_Addr::ACE_INET_Addr ( const wchar_t  port_name[],
const wchar_t  host_name[],
const wchar_t  protocol[] = ACE_TEXT_WIDE ("tcp") 
)
ACE_INET_Addr::ACE_INET_Addr ( const wchar_t  port_name[],
ACE_UINT32  ip_addr,
const wchar_t  protocol[] = ACE_TEXT_WIDE ("tcp") 
)
ACE_INET_Addr::~ACE_INET_Addr ( void   ) 

Default dtor.


Member Function Documentation

int ACE_INET_Addr::addr_to_string ( ACE_TCHAR  buffer[],
size_t  size,
int  ipaddr_format = 1 
) const [virtual]

Transform the current ACE_INET_Addr address into string format. If ipaddr_format is ttrue this produces "ip-number:port-number" (e.g., "128.252.166.57:1234"), whereas if ipaddr_format is false 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.

int ACE_INET_Addr::determine_type ( void   )  const [inline, private]
void ACE_INET_Addr::dump ( void   )  const

Dump the state of an object.

Reimplemented from ACE_Addr.

void * ACE_INET_Addr::get_addr ( void   )  const [virtual]

Return a pointer to the underlying network address.

Reimplemented from ACE_Addr.

int ACE_INET_Addr::get_addr_size ( void   )  const [inline]
const char * ACE_INET_Addr::get_host_addr ( void   )  const

Return the "dotted decimal" Internet address representation of the hostname. This version is non-reentrant since it returns a pointer to a static data area. You should therefore either (1) do a "deep copy" of the address returned by get_host_addr(), e.g., using strdup() or (2) use the "reentrant" version of get_host_addr() described above.

const char * ACE_INET_Addr::get_host_addr ( char *  addr,
int  addr_size 
) const

Return the "dotted decimal" Internet address representation of the hostname storing it in the addr (which is assumed to be addr_size bytes long). This version is reentrant.

const char * ACE_INET_Addr::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. You should therefore either (1) do a "deep copy" of the address returned by get_host_name(), e.g., using strdup() or (2) use the "reentrant" version of get_host_name() described above.

int ACE_INET_Addr::get_host_name ( wchar_t  hostname[],
size_t  hostnamelen 
) const
int ACE_INET_Addr::get_host_name ( char  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. If hostnamelen is greater than 0 then hostname will be NUL-terminated even if -1 is returned.

int ACE_INET_Addr::get_host_name_i ( char  hostname[],
size_t  hostnamelen 
) const [private]

Insure that hostname is properly null-terminated.

ACE_UINT32 ACE_INET_Addr::get_ip_address ( void   )  const

Return the 4-byte IP address, converting it into host byte order.

u_short ACE_INET_Addr::get_port_number ( void   )  const [inline]

Return the port number, converting it into host byte-order.

u_long ACE_INET_Addr::hash ( void   )  const [virtual]

Computes and returns hash value.

Reimplemented from ACE_Addr.

void * ACE_INET_Addr::ip_addr_pointer ( void   )  const [inline, private]
int ACE_INET_Addr::ip_addr_size ( void   )  const [inline, private]
bool ACE_INET_Addr::is_any ( void   )  const [inline]

Return true if the IP address is INADDR_ANY or IN6ADDR_ANY.

bool ACE_INET_Addr::is_ip_equal ( const ACE_INET_Addr SAP  )  const

A variation of the equality operator, this method only compares the IP address and ignores the port number.

bool ACE_INET_Addr::is_ipv4_compat_ipv6 ( void   )  const [inline]

Return true if the IP address is IPv4-compatible IPv6 address.

bool ACE_INET_Addr::is_ipv4_mapped_ipv6 ( void   )  const [inline]

Return true if the IP address is IPv4-mapped IPv6 address.

bool ACE_INET_Addr::is_linklocal ( void   )  const [inline]

Return true if the IP address is IPv6 linklocal address.

bool ACE_INET_Addr::is_loopback ( void   )  const [inline]

Return true if the IP address is IPv4/IPv6 loopback address.

bool ACE_INET_Addr::is_multicast ( void   )  const [inline]

Return true if the IP address is IPv4/IPv6 multicast address.

bool ACE_INET_Addr::operator!= ( const ACE_INET_Addr SAP  )  const

Compare two addresses for inequality.

bool ACE_INET_Addr::operator< ( const ACE_INET_Addr rhs  )  const [inline]

Returns true if this is less than rhs. In this context, "less than" is defined in terms of IP address and TCP port number. This operator makes it possible to use ACE_INET_Addrs in STL maps.

bool ACE_INET_Addr::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.

void ACE_INET_Addr::reset ( void   )  [inline, private]

Initialize underlying inet_addr_ to default values.

int ACE_INET_Addr::set ( const wchar_t  addr[],
int  address_family = AF_UNSPEC 
) [inline]
int ACE_INET_Addr::set ( const wchar_t  port_name[],
ACE_UINT32  ip_addr,
const wchar_t  protocol[] = ACE_TEXT_WIDE ("tcp") 
) [inline]
int ACE_INET_Addr::set ( const wchar_t  port_name[],
const wchar_t  host_name[],
const wchar_t  protocol[] = ACE_TEXT_WIDE ("tcp") 
) [inline]
int ACE_INET_Addr::set ( u_short  port_number,
const wchar_t  host_name[],
int  encode = 1,
int  address_family = AF_UNSPEC 
) [inline]
int ACE_INET_Addr::set ( const sockaddr_in *  addr,
int  len 
)

Creates an ACE_INET_Addr from a sockaddr_in structure.

int ACE_INET_Addr::set ( const char  addr[],
int  address_family = AF_UNSPEC 
)

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 ACE_INET_Addr::set ( const char  port_name[],
ACE_UINT32  ip_addr,
const char  protocol[] = "tcp" 
)

Uses <getservbyname> to initialize an ACE_INET_Addr from a <port_name>, an ip_addr, and the protocol. This assumes that ip_addr is already in network byte order.

int ACE_INET_Addr::set ( const char  port_name[],
const char  host_name[],
const char  protocol[] = "tcp" 
)

Uses <getservbyname> to initialize an ACE_INET_Addr from a <port_name>, the remote host_name, and the protocol.

int ACE_INET_Addr::set ( u_short  port_number,
ACE_UINT32  ip_addr = INADDR_ANY,
int  encode = 1,
int  map = 0 
)

Initializes an ACE_INET_Addr from a port_number and an Internet ip_addr. If encode is non-zero then the port number and IP address are converted into network byte order, otherwise they are assumed to be in network byte order already and are passed straight through.

If <map> is non-zero and IPv6 support has been compiled in, then this address will be set to the IPv4-mapped IPv6 address of it.

int ACE_INET_Addr::set ( u_short  port_number,
const char  host_name[],
int  encode = 1,
int  address_family = AF_UNSPEC 
)

Initializes an ACE_INET_Addr from a port_number and the remote host_name. If encode is non-zero 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. address_family can be used to select IPv4/IPv6 if the OS has IPv6 capability (ACE_HAS_IPV6 is defined). To specify IPv6, use the value AF_INET6. To specify IPv4, use AF_INET.

int ACE_INET_Addr::set ( const ACE_INET_Addr sa  ) 

Initializes from another ACE_INET_Addr.

void ACE_INET_Addr::set_addr ( void *  addr,
int  len,
int  map 
) [virtual]

Set a pointer to the address.

void ACE_INET_Addr::set_addr ( void *  addr,
int  len 
) [virtual]

Set a pointer to the address.

Reimplemented from ACE_Addr.

int ACE_INET_Addr::set_address ( const char *  ip_addr,
int  len,
int  encode = 1,
int  map = 0 
)

Sets the address without affecting the port number. If encode is enabled then ip_addr is converted into network byte order, otherwise it is assumed to be in network byte order already and are passed straight through. The size of the address is specified in the len parameter. If map is non-zero, IPv6 support has been compiled in, and ip_addr is an IPv4 address, then this address is set to the IPv4-mapped IPv6 address of it.

int ACE_INET_Addr::set_interface ( const char *  intf_name  ) 

Sets the interface that should be used for this address. This only has an effect when the address is link local, otherwise it does nothing.

void ACE_INET_Addr::set_port_number ( u_short  port_number,
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.

Reimplemented in ACE_Multihomed_INET_Addr.

int ACE_INET_Addr::string_to_addr ( const char  address[],
int  address_family = AF_UNSPEC 
) [virtual]

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.


Member Data Documentation

Declare the dynamic allocation hooks.

Reimplemented from ACE_Addr.

sockaddr_in ACE_INET_Addr::in4_
sockaddr_in6 ACE_INET_Addr::in6_
union { ... } ACE_INET_Addr::inet_addr_ [private]

Underlying representation. This union uses the knowledge that the two structures share the first member, sa_family (as all sockaddr structures do).


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