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ost::IPV4Address(3) Library Functions Manual ost::IPV4Address(3)
NAME
ost::IPV4Address -
The network name and address objects are all derived from a common IPV4Address base class.
SYNOPSIS
#include <address.h>
Inherited by ost::IPV4Broadcast, ost::IPV4Host, ost::IPV4Mask, and ost::IPV4Multicast.
Public Member Functions
IPV4Address (const IPV4Validator *validator=NULL)
Create an Internet Address object with an empty (0.0.0.0) address.
IPV4Address (struct in_addr addr, const IPV4Validator *validator=NULL)
Convert the system internet address data type (struct in_addr) into a Common C++ IPV4Address object.
IPV4Address (const char *address, const IPV4Validator *validator=NULL)
Convert a null terminated ASCII host address string (example: '127.0.0.1') or host address name (example: 'www.voxilla.org') directly
into a Common C++ IPV4Address object.
IPV4Address (const IPV4Address &rhs)
Copy constructor.
virtual ~IPV4Address ()
Destructor.
const char * getHostname (void) const
Provide a string representation of the value (Internet Address) held in the IPV4Address object.
bool isInetAddress (void) const
May be used to verify if a given IPV4Address returned by another function contains a 'valid' address, or '0.0.0.0' which is often used
to mark 'invalid' IPV4Address values.
struct in_addr getAddress (void) const
Provide a low level system usable struct in_addr object from the contents of IPV4Address.
struct in_addr getAddress (size_t i) const
Provide a low level system usable struct in_addr object from the contents of IPV4Address.
size_t getAddressCount () const
Returns the number of internet addresses that an IPV4Address object contains.
IPV4Address & operator= (const char *str)
IPV4Address & operator= (struct in_addr addr)
IPV4Address & operator= (const IPV4Address &rhs)
IPV4Address & operator= (unsigned long addr)
Allows assignment from the return of functions like inet_addr() or htonl()
IPV4Address & operator= (unsigned int addr)
bool operator! () const
bool operator== (const IPV4Address &a) const
Compare two internet addresses to see if they are equal (if they specify the physical address of the same internet host).
bool operator!= (const IPV4Address &a) const
Compare two internet addresses to see if they are not equal (if they each refer to unique and different physical ip addresses).
Protected Member Functions
bool setIPAddress (const char *host)
Sets the IP address from a string representation of the numeric address, ie '127.0.0.1'.
void setAddress (const char *host)
Used to specify a host name or numeric internet address.
Protected Attributes
struct in_addr * ipaddr
size_t addr_count
char * hostname
Static Protected Attributes
static Mutex mutex
Detailed Description
The network name and address objects are all derived from a common IPV4Address base class.
Specific classes, such as IPV4Host, IPV4Mask, etc, are defined from IPV4Address entirely so that the manner a network address is being used
can easily be documented and understood from the code and to avoid common errors and accidental misuse of the wrong address object. For
example, a 'connection' to something that is declared as a 'IPV4Host' can be kept type-safe from a 'connection' accidently being made to
something that was declared a 'IPV4Broadcast'.
Author:
David Sugar dyfet@ostel.com Internet Address binary data type.
Examples:
tcpthread.cpp.
Constructor & Destructor Documentation
ost::IPV4Address::IPV4Address (const IPV4Validator *validator = NULL)
Create an Internet Address object with an empty (0.0.0.0) address. Parameters:
validator optional validator function object, intended for derived classes.
ost::IPV4Address::IPV4Address (struct in_addraddr, const IPV4Validator *validator = NULL)
Convert the system internet address data type (struct in_addr) into a Common C++ IPV4Address object. Parameters:
addr struct of system used binary internet address.
validator optional validator function object, intended for derived classes.
ost::IPV4Address::IPV4Address (const char *address, const IPV4Validator *validator = NULL)
Convert a null terminated ASCII host address string (example: '127.0.0.1') or host address name (example: 'www.voxilla.org') directly into
a Common C++ IPV4Address object. Parameters:
address null terminated C string.
validator optional validator function object, intended for derived classes.
ost::IPV4Address::IPV4Address (const IPV4Address &rhs)
Copy constructor.
virtual ost::IPV4Address::~IPV4Address () [virtual]
Destructor.
Member Function Documentation
struct in_addr ost::IPV4Address::getAddress (void) const [read]
Provide a low level system usable struct in_addr object from the contents of IPV4Address. This is needed for services such as bind() and
connect().
Returns:
system binary coded internet address.
struct in_addr ost::IPV4Address::getAddress (size_ti) const [read]
Provide a low level system usable struct in_addr object from the contents of IPV4Address. This is needed for services such as bind() and
connect().
Parameters:
i for IPV4Addresses with multiple addresses, returns the address at this index. User should call getAddressCount() to determine the
number of address the object contains.
Returns:
system binary coded internet address. If parameter i is out of range, the first address is returned.
size_t ost::IPV4Address::getAddressCount () const [inline]
Returns the number of internet addresses that an IPV4Address object contains. This usually only happens with IPV4Host objects where
multiple IP addresses are returned for a DNS lookup
const char* ost::IPV4Address::getHostname (void) const
Provide a string representation of the value (Internet Address) held in the IPV4Address object. Returns:
string representation of IPV4Address.
Examples:
tcpthread.cpp.
bool ost::IPV4Address::isInetAddress (void) const
May be used to verify if a given IPV4Address returned by another function contains a 'valid' address, or '0.0.0.0' which is often used to
mark 'invalid' IPV4Address values. Returns:
true if address != 0.0.0.0.
bool ost::IPV4Address::operator! () const [inline]
bool ost::IPV4Address::operator!= (const IPV4Address &a) const
Compare two internet addresses to see if they are not equal (if they each refer to unique and different physical ip addresses). This is
implimented in terms of operator==
IPV4Address& ost::IPV4Address::operator= (const char *str)
Referenced by ost::IPV4Mask::operator=(), and ost::IPV4Host::operator=().
IPV4Address& ost::IPV4Address::operator= (struct in_addraddr)
IPV4Address& ost::IPV4Address::operator= (const IPV4Address &rhs)
IPV4Address& ost::IPV4Address::operator= (unsigned longaddr)
Allows assignment from the return of functions like inet_addr() or htonl()
Reimplemented in ost::IPV4Host, and ost::IPV4Mask.
IPV4Address& ost::IPV4Address::operator= (unsigned intaddr) [inline]
bool ost::IPV4Address::operator== (const IPV4Address &a) const
Compare two internet addresses to see if they are equal (if they specify the physical address of the same internet host). If there is more
than one IP address in either IPV4Address object, this will return true if all of the IP addresses in the smaller are in the larger in any
order.
void ost::IPV4Address::setAddress (const char *host) [protected]
Used to specify a host name or numeric internet address. Parameters:
host The string representation of the IP address or a hostname, , if NULL, it will default to INADDR_ANY
bool ost::IPV4Address::setIPAddress (const char *host) [protected]
Sets the IP address from a string representation of the numeric address, ie '127.0.0.1'. Parameters:
host The string representation of the IP address
Returns:
true if successful
Member Data Documentation
size_t ost::IPV4Address::addr_count [protected]
char* ost::IPV4Address::hostname [mutable], [protected]
struct in_addr* ost::IPV4Address::ipaddr [protected]
Mutex ost::IPV4Address::mutex [static], [protected]
Author
Generated automatically by Doxygen for GNU CommonC++ from the source code.
GNU CommonC++ Sat Jun 23 2012 ost::IPV4Address(3)