Class: Subnets::IP4

Inherits:

IP

• Object
• IP
• Subnets::IP4

Defined in:

ext/subnets/ext.c

Class Method Summary

• .new(address) ⇒ Object
• .random(rng = Random.new) ⇒ IP4

  A random IP4 address.

Instance Method Summary

• #&(other) ⇒ Subnets::IP4

  Bitwise AND of self and other.

• #==(other) ⇒ Boolean (also: #eql?)
• #^(other) ⇒ Subnets::IP4

  Bitwise exclusive XOR of self and other.

• #hash ⇒ Integer
• #to_i ⇒ Numeric

  The 32 bit integer representing this address.

• #to_s ⇒ String

  Return a String in dotted-decimal notation.

• #|(other) ⇒ Subnets::IP4

  Bitwise OR of self and other.

• #~ ⇒ IP4

  Bitwise NOT of self.

Methods inherited from IP

#inspect

Class Method Details

.new(address) ⇒ Object

# File 'ext/subnets/ext.c', line 81

VALUE
method_ip4_new(VALUE class, VALUE address) {
  return ip4_new(class, RB_NUM2UINT(address));
}

.random(rng = Random.new) ⇒ IP4

Returns a random IP4 address.

# File 'ext/subnets/ext.c', line 187

VALUE
method_ip4_random(int argc, VALUE *argv, VALUE class) {
  ip4_t ip;
  VALUE rng, rand;

  rb_scan_args(argc, argv, "01", &rng);
  if (Qnil == rng) {
    rng = rb_funcall(rb_cRandom, rb_intern("new"), 0);
  }

  rand = rb_intern("rand");
  ip = FIX2INT(rb_funcall(rng, rand, 1, INT2FIX(0xffff+1)));
  ip |= FIX2INT(rb_funcall(rng, rand, 1, INT2FIX(0xffff+1))) << 16;

  return ip4_new(class, ip);
}

Instance Method Details

#&(other) ⇒ Subnets::IP4

# File 'ext/subnets/ext.c', line 341

VALUE
method_ip4_band(VALUE self, VALUE other) {
  ip4_t *a, *b;

  assert_kind_of(other, IP4);

  Data_Get_Struct(self, ip4_t, a);
  Data_Get_Struct(other, ip4_t, b);
  return ip4_new(IP4, *a & *b);
}

#==(other) ⇒ Boolean Also known as: eql?

# File 'ext/subnets/ext.c', line 622

VALUE
method_ip4_eql_p(VALUE self, VALUE other) {
  ip4_t *a, *b;

  if (CLASS_OF(other) != CLASS_OF(self)) {
    return Qfalse;
  }

  Data_Get_Struct(self, ip4_t, a);
  Data_Get_Struct(other, ip4_t, b);

  return (*a == *b) ? Qtrue : Qfalse;
}

#^(other) ⇒ Subnets::IP4

# File 'ext/subnets/ext.c', line 326

VALUE
method_ip4_xor(VALUE self, VALUE other) {
  ip4_t *a, *b;

  assert_kind_of(other, IP4);

  Data_Get_Struct(self, ip4_t, a);
  Data_Get_Struct(other, ip4_t, b);
  return ip4_new(IP4, *a ^ *b);
}

#hash ⇒ Integer

# File 'ext/subnets/ext.c', line 703

VALUE
method_ip4_hash(VALUE self) {
  ip4_t *ip;
  Data_Get_Struct(self, ip4_t, ip);
  return hash(UINT2NUM(*ip));
}

#to_i ⇒ Numeric

# File 'ext/subnets/ext.c', line 587

VALUE
method_ip4_to_i(VALUE self) {
  ip4_t *ip;
  Data_Get_Struct(self, ip4_t, ip);
  return RB_UINT2NUM(*ip);
}

#to_s ⇒ String

Return a String in dotted-decimal notation.

# File 'ext/subnets/ext.c', line 528

VALUE
method_ip4_to_s(VALUE self) {
  ip4_t *ip;
  char buf[16];

  Data_Get_Struct(self, ip4_t, ip);
  ip4_snprint(*ip, buf, 16);
  return rb_str_new2(buf);
}

#|(other) ⇒ Subnets::IP4

# File 'ext/subnets/ext.c', line 311

VALUE
method_ip4_bor(VALUE self, VALUE other) {
  ip4_t *a, *b;

  assert_kind_of(other, IP4);

  Data_Get_Struct(self, ip4_t, a);
  Data_Get_Struct(other, ip4_t, b);
  return ip4_new(IP4, *a | *b);
}

#~ ⇒ IP4

# File 'ext/subnets/ext.c', line 300

VALUE
method_ip4_not(VALUE self) {
  ip4_t *ip;
  Data_Get_Struct(self, ip4_t, ip);
  return ip4_new(IP4, ~ *ip);
}