Class IP::V4
In: lib/ip/base.rb
lib/ip/socket.rb
Parent: IP

Methods

parse   to_addr  

Constants

PROTO = "v4".freeze
ADDR_BITS = 32
MASK = (1 << ADDR_BITS) - 1
AF = Socket::AF_INET

External Aliases

orig_new -> new

Public Class methods

parse(str)

Parse a string; return an V4 instance if it‘s a valid IPv4 address, nil otherwise

[Source]

     # File lib/ip/base.rb, line 254
254:     def self.parse(str)
255:       if str =~ /\A(\d+)\.(\d+)\.(\d+)\.(\d+)(?:\/(\d+))?(?:@(.*))?\z/
256:         pfxlen = ($5 || ADDR_BITS).to_i
257:         return nil if pfxlen > 32
258:         addrs = [$1.to_i, $2.to_i, $3.to_i, $4.to_i]
259:         return nil if addrs.find { |n| n>255 }
260:         addr = (((((addrs[0] << 8) | addrs[1]) << 8) | addrs[2]) << 8) | addrs[3]
261:         new(addr, pfxlen, $6)
262:       end
263:     end

Public Instance methods

to_addr()

Return just the address part as a String in dotted decimal form

[Source]

     # File lib/ip/base.rb, line 266
266:     def to_addr
267:       sprintf("%d.%d.%d.%d",
268:         (@addr>>24)&0xff, (@addr>>16)&0xff, (@addr>>8)&0xff, @addr&0xff)
269:     end

[Validate]