class IPvX |
Basic IPvX class (for both IPv4 and IPv6). More... |
| Definition | #include <ipvx.hh> |
|---|---|
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| IPvX ()
| IPvX |
Default contructor
Creates an IPvX address with address family of AF_INET, and address value of INADDR_ANY (i.e., containing IPv4(0)).
| explicit IPvX (int family)
throw (InvalidFamily) | IPvX |
Constructor for a specified address family.
Creates an address of specified family, and address value of INADDR_ANY or IN6ADDR_ANY (for IPv4 and IPv6 respectively).
Parameters:
| family | the address family. |
| IPvX (int family, uint8_t *from_uint8)
throw (InvalidFamily) | IPvX |
Constructor from a (uint8_t *) memory pointer.
Creates an address of specified family, and address value by using data from specified location.
Parameters:
| family | the address family. |
| from_uint8 | the pointer to the memory to copy the address value from. |
| IPvX (const IPv4& ipv4)
| IPvX |
Constructor from an IPv4 address.
Create an IPvX address from an IPv4 address.
Parameters:
| ipv4 | the IPv4 address to assign the address value from. |
| IPvX (const IPv6& ipv6)
| IPvX |
Constructor from an IPv6 address.
Create an IPvX address from an IPv6 address.
Parameters:
| ipv6 | the IPv6 address to assign the address value from. |
| IPvX (const in_addr& from_in_addr)
| IPvX |
Constructor from in_addr structure.
Note that this address must be of AF_INET family.
Parameters:
| from_in_addr | the storage to copy the address value from. |
| IPvX (const in6_addr& from_in6_addr)
| IPvX |
Constructor from in6_addr structure.
Note that this address must be of AF_INET6 family.
Parameters:
| from_in6_addr | the storage to copy the address value from. |
| IPvX (const sockaddr& from_sockaddr)
throw (InvalidFamily) | IPvX |
Constructor from sockaddr structure.
Parameters:
| from_sockaddr | the storage to copy the address from. |
| IPvX (const sockaddr_in& from_sockaddr_in)
throw (InvalidFamily) | IPvX |
Constructor from sockaddr_in structure.
Parameters:
| from_sockaddr_in | the storage to copy the address from. |
| IPvX (const sockaddr_in6& from_sockaddr_in6)
throw (InvalidFamily) | IPvX |
Constructor from sockaddr_in6 structure.
Parameters:
| from_sockaddr_in6 | the storage to copy the address from. |
| IPvX (const char *from_cstring)
throw (InvalidString) | IPvX |
Constructor from a string.
Parameters:
| from_cstring | C-style string in the IPv4 dotted decimal or IPv6 canonical human-readable format used for initialization. |
| size_t copy_out (uint8_t *to_uint8)
| copy_out |
[const]
Copy the IPvX raw address to specified memory location.
@param: to_uint8 the pointer to the memory to copy the address to.
Returns: the number of copied octets.
| size_t copy_out (in_addr& to_in_addr)
throw (InvalidFamily) | copy_out |
[const]
Copy the IPvX raw address to an in_addr structure.
Note that this address must be of AF_INET family.
Parameters:
| to_in_addr | the storage to copy the address to. |
Returns: the number of copied octets.
| size_t copy_out (in6_addr& to_in6_addr)
throw (InvalidFamily) | copy_out |
[const]
Copy the IPvX raw address to an in6_addr structure.
Note that this address must be of AF_INET6 family.
Parameters:
| to_in6_addr | the storage to copy the address to. |
Returns: the number of copied octets.
| size_t copy_out (sockaddr& to_sockaddr)
throw (InvalidFamily) | copy_out |
[const]
Copy the IPvX raw address to a sockaddr structure.
Copy the raw address held within an IPvX instance to an sockaddr structure and assign appropriately and set fields within sockaddr appropriately. The underlying address representation may be either IPv4 or IPv6.
Parameters:
| to_sockaddr | the storage to copy the address to. |
Returns: the number of copied octets.
| size_t copy_out (sockaddr_in& to_sockaddr_in)
throw (InvalidFamily) | copy_out |
[const]
Copy the IPvX raw address to a sockaddr_in structure.
Copy the raw address held within an IPvX instance to an sockaddr_in structure and assign appropriately and set fields within sockaddr_in appropriately. The underlying address representation may be either IPv4 or IPv6.
Parameters:
| to_sockaddr_in | the storage to copy the address to. |
Returns: the number of copied octets.
| size_t copy_out (sockaddr_in6& to_sockaddr_in6)
throw (InvalidFamily) | copy_out |
[const]
Copy the IPvX raw address to a sockaddr_in6 structure.
Copy the raw address held within an IPvX instance to a sockaddr_in6 structure and assign appropriately and set fields within sockaddr_in appropriately. The underlying address representation may be either IPv4 or IPv6.
Parameters:
| to_sockaddr_in6 | the storage to copy the address to. |
Returns: the number of copied octets.
| size_t copy_in (int family, const uint8_t *from_uint8)
throw (InvalidFamily) | copy_in |
Copy a raw address of specified family type from specified memory location into IPvX structure.
Parameters:
| family | the address family. |
| from_uint8 | the memory address to copy the address from. |
Returns: the number of copied octets.
| size_t copy_in (const in_addr& from_in_addr)
| copy_in |
Copy a raw IPv4 address from a in_addr structure into IPvX structure.
Parameters:
| from_in_addr | the storage to copy the address from. |
Returns: the number of copied octets.
| size_t copy_in (const in6_addr& from_in6_addr)
| copy_in |
Copy a raw IPv6 address from a in6_addr structure into IPvX structure.
Parameters:
| from_in6_addr | the storage to copy the address from. |
Returns: the number of copied octets.
| size_t copy_in (const sockaddr& from_sockaddr)
throw (InvalidFamily) | copy_in |
Copy a raw address from a sockaddr structure into IPvX structure.
Copy a raw address from a sockaddr structure, and set internal address family appropriately.
Parameters:
| from_sockaddr | the storage to copy the address from. |
Returns: the number of copied octets.
| size_t copy_in (const sockaddr_in& from_sockaddr_in)
throw (InvalidFamily) | copy_in |
Copy a raw address from a sockaddr_in structure into IPvX structure.
Copy a raw address from a sockaddr_in structure, and set internal address family appropriately.
Parameters:
| from_sockaddr_in | the storage to copy the address from. |
Returns: the number of copied octets.
| size_t copy_in (const sockaddr_in6& from_sockaddr_in6)
throw (InvalidFamily) | copy_in |
Copy a raw address from sockaddr_in6 structure into IPvX structure.
Copy a raw address from sockaddr_in6 structure, and set internal address family appropriately.
Parameters:
| from_sockaddr_in6 | the storage to copy the address from. |
Returns: the number of copied octets.
| IPvX operator~ ()
| operator~ |
[const]
Bitwise-Negation Operator
Returns: address complement (i.e., all 0s become 1s, and vice-versa).
| IPvX operator| (const IPvX& other)
throw (InvalidCast) | operator| |
[const]
OR Operator
Parameters:
| other | the right-hand operand to OR with. |
Returns: bitwise OR of two addresses.
| IPvX operator& (const IPvX& other)
throw (InvalidCast) | operator& |
[const]
AND Operator
Parameters:
| other | the right-hand operand to AND with. |
Returns: bitwise AND of two addresses.
| IPvX operator^ (const IPvX& other)
throw (InvalidCast) | operator^ |
[const]
XOR Operator
Parameters:
| other | the right-hand operand to XOR with. |
Returns: bitwize eXclusive-OR of two addresses.
| IPvX operator<< (size_t left_shift)
| operator<< |
[const]
Operator <<
Parameters:
| left_shift | the number of bits to shift to the left. |
Returns: IPvX address that is shift bitwise to the left.
| IPvX operator>> (size_t right_shift)
| operator>> |
[const]
Operator >>
Parameters:
| right_shift | the number of bits to shift to the right. |
Returns: IPvX address that is shift bitwise to the right.
| bool operator< (const IPvX& other)
| operator< |
[const]
Less-Than Operator
Parameters:
| other | the right-hand operand to compare against. |
Returns: true if the left-hand operand is numerically smaller than the right-hand operand.
| bool operator== (const IPvX& other)
| operator== |
[const]
Equality Operator
Parameters:
| other | the right-hand operand to compare against. |
Returns: true if the left-hand operand is numerically same as the right-hand operand.
| bool operator!= (const IPvX& other)
| operator!= |
[const]
Not-Equal Operator
Parameters:
| other | the right-hand operand to compare against. |
Returns: true if the left-hand operand is numerically not same as the right-hand operand.
| IPvX& operator-- ()
| operator-- |
Decrement Operator
The numerical value of this address is decremented by one. However, if the address value before the decrement was all-0s, after the decrement its value would be all-1s (i.e., it will wrap-around).
Returns: a reference to this address after it was decremented by one.
| IPvX& operator++ ()
| operator++ |
Increment Operator
The numerical value of this address is incremented by one. However, if the address value before the increment was all-1s, after the increment its value would be all-0s (i.e., it will wrap-around).
Returns: a reference to this address after it was incremented by one.
| string str ()
| str |
[const]
Convert this address from binary form to presentation format.
Returns: C++ string with the human-readable ASCII representation of the address.
| bool is_zero ()
| is_zero |
[const]
Test if this address is numerically zero.
Returns: true if the address is numerically zero.
| bool is_unicast ()
| is_unicast |
[const]
Test if this address is a valid unicast address.
Returns: true if the address is a valid unicast address.
| bool is_multicast ()
| is_multicast |
[const]
Test if this address is a valid multicast address.
Returns: true if the address is a valid multicast address.
| bool is_nodelocal_multicast ()
| is_nodelocal_multicast |
[const]
Test if this address is a valid node-local multicast address.
Returns: true if the address is a valid multicast address, and the scope of the address is node-local.
| bool is_linklocal_multicast ()
| is_linklocal_multicast |
[const]
Test if this address is a valid link-local multicast address.
Returns: true if the address is a valid multicast address, and the scope of the address is link-local.
| size_t addr_size (int family)
throw (InvalidFamily) | addr_size |
[static]
Get the address octet-size.
Note that this is a static function and is to be used without a particular object. Example: size_t my_size = IPvX::addr_size(my_family);
Parameters:
| family | the address family. |
Returns: address size in number of octets for an address of address family of family.
| size_t addr_size ()
| addr_size |
[const]
Get the address octet-size for this address.
Note that this is not a static function, hence it has to be used with a particular object. Example: size_t my_size = ipvx.addr_size();
Parameters:
| family | the address family. |
Returns: address size in number of octets for this IPvX address.
| size_t addr_bitlen (int family)
throw (InvalidFamily) | addr_bitlen |
[static]
Get the address bit-length.
Note that this is a static function and is to be used without a particular object. Example: size_t my_bitlen = IPvX::addr_bitlen(my_family);
Parameters:
| family | the address family. |
Returns: address size in number of bits for an address of address family of family.
| size_t addr_bitlen ()
| addr_bitlen |
[const]
Get the address bit-length for this address.
Note that this is not a static function, hence it has to be used with a particular object. Example: size_t my_bitlen = ipvx.addr_bitlen();
Parameters:
| family | the address family. |
Returns: address size in number of bits for this IPvX address.
| size_t ip_multicast_base_address_masklen (int family)
throw (InvalidFamily) | ip_multicast_base_address_masklen |
[static]
Get the masklen for the multicast base address.
Note that this is a static function and can be used without a particular object. Example: size_t my_len = IPvX::ip_multicast_base_address_masklen(my_family);
Parameters:
| family | the address family. |
Returns: the multicast base address masklen for an address of address family of family.
| size_t ip_multicast_base_address_masklen ()
| ip_multicast_base_address_masklen |
[const]
Get the masklen for the multicast base address for this address.
Note that this is not a static function, hence it has to be used with a particular object. Example: size_t my_len = ipvx.ip_multicast_base_address_masklen();
Parameters:
| family | the address family. |
Returns: the multicast base address masklen for this IPvX address.
| IPvX make_prefix (int family, int masklen)
throw (InvalidFamily, InvalidNetmaskLength) | make_prefix |
[static]
Make an IPvX mask prefix.
Parameters:
| family | the address family. |
| masklen | the length of the mask to create. |
Returns: a new IPvX address that contains a mask of length masklen.
| IPvX make_prefix (int masklen)
throw (InvalidNetmaskLength) | make_prefix |
[const]
Make an IPvX mask prefix for the address family of this address.
Parameters:
| masklen | the length of the mask to create. |
Returns: a new IPvX address that contains a mask of length masklen.
| IPvX mask_by_prefix (int masklen)
throw (InvalidNetmaskLength) | mask_by_prefix |
[const]
Make an IPvX address prefix.
Parameters:
| masklen | the length of the mask of the prefix to create. |
Returns: a new IPvX address created by masking this address with a mask of length masklen.
| int prefix_length ()
| prefix_length |
[const]
Get the mask length.
Returns: the prefix length of the contiguous mask presumably stored as an IPvX address.
| inline bool is_ipv4 ()
| is_ipv4 |
[const]
Test if this address is IPv4 address.
Returns: true if the address is IPv4.
| inline bool is_ipv6 ()
| is_ipv6 |
[const]
Test if this address is IPv6 address.
Returns: true if the address is IPv6.
| inline IPv4 get_ipv4 ()
throw (InvalidCast) | get_ipv4 |
[const]
Get IPv4 address.
Returns: IPv4 address contained with IPvX structure.
| inline IPv6 get_ipv6 ()
throw (InvalidCast) | get_ipv6 |
[const]
Get IPv6 address.
Returns: IPv6 address contained with IPvX structure.
| inline void get (IPv4& to_ipv4)
throw (InvalidCast) | get |
[const]
Assign address value to an IPv4 address.
Parameters:
| to_ipv4 | IPv4 address to be assigned IPv4 value contained within this address. |
| inline void get (IPv6& to_ipv6)
throw (InvalidCast) | get |
[const]
Assign address value to an IPv6 address.
Parameters:
| to_ipv6 | IPv6 address to be assigned IPv4 value contained within this address. |
| inline int af ()
| af |
[const]
Get the address family.
Returns: the address family of this address (AF_INET or AF_INET6).
| uint32_t ip_version ()
throw (InvalidFamily) | ip_version |
[const]
Get the IP protocol version.
Returns: the IP protocol version of this address.
| inline uint32_t bits (size_t lsb, size_t len)
throw (InvalidFamily) | bits |
[const]
Extract bits from an address.
Parameters:
| lsb | starting bit position (from the right) to extract. |
| len | number of bits to extract. The maximum value is 32. |
Returns: the first len bits starting from the rightmost position lsb. The returned bits are in host order.
| const IPvX& ZERO (int family)
throw (InvalidFamily) | ZERO |
[static]
Pre-defined IPvX address constants.
| const IPvX& ANY (int family)
throw (InvalidFamily) | ANY |
[static]
| const IPvX& ALL_ONES (int family)
throw (InvalidFamily) | ALL_ONES |
[static]
| const IPvX& MULTICAST_BASE (int family)
throw (InvalidFamily) | MULTICAST_BASE |
[static]
| const IPvX& MULTICAST_ALL_SYSTEMS (int family)
throw (InvalidFamily) | MULTICAST_ALL_SYSTEMS |
[static]
| const IPvX& MULTICAST_ALL_ROUTERS (int family)
throw (InvalidFamily) | MULTICAST_ALL_ROUTERS |
[static]
| const IPvX& DVMRP_ROUTERS (int family)
throw (InvalidFamily) | DVMRP_ROUTERS |
[static]
| const IPvX& RIP2_ROUTERS (int family)
throw (InvalidFamily) | RIP2_ROUTERS |
[static]
| const IPvX& PIM_ROUTERS (int family)
throw (InvalidFamily) | PIM_ROUTERS |
[static]
| const IPvX& OSPFIGP_ROUTERS (int family)
throw (InvalidFamily) | OSPFIGP_ROUTERS |
[static]
| const IPvX& OSPFIGP_DESIGNATED_ROUTERS (int family)
throw (InvalidFamily) | OSPFIGP_DESIGNATED_ROUTERS |
[static]
| Generated by: pavlin on possum.icir.org on Thu Aug 28 12:51:57 2003, using kdoc 2.0a54+XORP. |