Class: Yast::NetmaskClass
- Inherits:
-
Module
- Object
- Module
- Yast::NetmaskClass
- Defined in:
- ../../src/modules/Netmask.rb
Instance Method Summary (collapse)
-
- (Object) Check(netmask)
Check the netmask.
-
- (Object) Check4(netmask)
Check the IPv4 netmask Note that 0.0.0.0 is not a correct netmask.
-
- (Object) Check6(netmask)
Check the IPv6 netmask.
- - (Object) CheckPrefix4(prefix)
-
- (Object) FromBits(bits)
Convert netmask in bits form (20) to IPv4 netmask string (255.255.240.0).
- - (Object) main
-
- (Object) ToBits(netmask)
Convert IPv4 netmask as string (255.255.240.0) to bits form (20).
Instance Method Details
- (Object) Check(netmask)
Check the netmask
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# File '../../src/modules/Netmask.rb', line 106 def Check(netmask) Check4(netmask) || Check6(netmask) end |
- (Object) Check4(netmask)
Check the IPv4 netmask Note that 0.0.0.0 is not a correct netmask.
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# File '../../src/modules/Netmask.rb', line 58 def Check4(netmask) return false if netmask.nil? || netmask == "" # 255.255.240.0 s1 = "(128|192|224|240|248|252|254|255)" nm = Ops.add( Ops.add( Ops.add( Ops.add( Ops.add( Ops.add( Ops.add( Ops.add( Ops.add(Ops.add(Ops.add("^(", s1), ".0.0.0|"), "255."), s1 ), ".0.0|" ), "255.255." ), s1 ), ".0|" ), "255.255.255." ), s1 ), ")$" ) Builtins.regexpmatch(netmask, nm) end |
- (Object) Check6(netmask)
Check the IPv6 netmask
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# File '../../src/modules/Netmask.rb', line 94 def Check6(netmask) return false if netmask.nil? || netmask == "" # <0,256> return false if !Builtins.regexpmatch(netmask, "^[0-9]+$") nm = Builtins.tointeger(netmask) Ops.greater_or_equal(nm, 0) && Ops.less_or_equal(nm, 256) end |
- (Object) CheckPrefix4(prefix)
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# File '../../src/modules/Netmask.rb', line 43 def CheckPrefix4(prefix) return false if prefix.nil? || prefix == "" # <0,32> if Builtins.regexpmatch(prefix, "^[0-9]+$") nm = Builtins.tointeger(prefix) return Ops.greater_or_equal(nm, 0) && Ops.less_or_equal(nm, 32) else return false end end |
- (Object) FromBits(bits)
Convert netmask in bits form (20) to IPv4 netmask string (255.255.240.0)
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# File '../../src/modules/Netmask.rb', line 117 def FromBits(bits) return "" unless bits.between?(0, 32) b = Ops.divide(bits, 8) d = Ops.modulo(bits, 8) l = { 1 => "255.", 2 => "255.255.", 3 => "255.255.255.", 4 => "255.255.255.255" } r = { 3 => "0", 2 => "0.0", 1 => "0.0.0", 0 => "0.0.0.0" } m = { 1 => "128", 2 => "192", 3 => "224", 4 => "240", 5 => "248", 6 => "252", 7 => "254", 8 => "255" } Ops.add( Ops.add( Ops.get_string(l, b, ""), if d != 0 Ops.add(Ops.get_string(m, d, ""), b != 3 ? "." : "") else "" end ), Ops.get_string(r, d == 0 ? b : Ops.add(b, 1), "") ) end |
- (Object) main
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# File '../../src/modules/Netmask.rb', line 35 def main textdomain "base" @ValidChars = "0123456789." @ValidChars4 = "0123456789." @ValidChars6 = "0123456789" end |
- (Object) ToBits(netmask)
Convert IPv4 netmask as string (255.255.240.0) to bits form (20)
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# File '../../src/modules/Netmask.rb', line 157 def ToBits(netmask) return 32 if netmask == "" bits = 0 m = { "128" => 1, "192" => 2, "224" => 3, "240" => 4, "248" => 5, "252" => 6, "254" => 7, "255" => 8 } Builtins.maplist(Builtins.splitstring(netmask, ".")) do |i| bits = Ops.add(bits, Ops.get_integer(m, i, 0)) end bits end |