Sha256: 74a633f3a3dd29dd241d06ae8f770d25480c19f0bca609f560468ea69e693ef3
Contents?: true
Size: 1019 Bytes
Versions: 6
Compression:
Stored size: 1019 Bytes
Contents
module RubySL
module Socket
module IPv6
# The IPv6 loopback address as produced by inet_pton(INET6, "::1")
LOOPBACK = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]
# The bytes used for an unspecified IPv6 address.
UNSPECIFIED = [0] * 16
# The first 10 bytes of an IPv4 compatible IPv6 address.
COMPAT_PREFIX = [0] * 10
def self.ipv4_embedded?(bytes)
ipv4_mapped?(bytes) || ipv4_compatible?(bytes)
end
def self.ipv4_mapped?(bytes)
prefix = bytes.first(10)
follow = bytes[10..11]
prefix == COMPAT_PREFIX &&
follow[0] == 255 &&
follow[1] == 255 &&
(bytes[-4] > 0 || bytes[-3] > 0 || bytes[-2] > 0)
end
def self.ipv4_compatible?(bytes)
prefix = bytes.first(10)
follow = bytes[10..11]
prefix == COMPAT_PREFIX &&
follow[0] == 0 &&
follow[1] == 0 &&
(bytes[-4] > 0 || bytes[-3] > 0 || bytes[-2] > 0)
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems