org.xbill.DNS.Address.addressLength()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
字(8.0k)|赞(0)|评价(0)|浏览(88)

本文整理了Java中org.xbill.DNS.Address.addressLength()方法的一些代码示例，展示了Address.addressLength()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Address.addressLength()方法的具体详情如下：
包路径：org.xbill.DNS.Address
类名称：Address
方法名：addressLength

Address.addressLength介绍

暂无

代码示例

代码示例来源：origin: org.littleshoot/dnsjava

private static int
checkMaskLength(String field, int family, int val) {
  int max = Address.addressLength(family) * 8;
  if (val < 0 || val > max)
    throw new IllegalArgumentException("\"" + field + "\" " + val +
              " must be in the range " +
              "[0.." + max + "]");
  return val;
}

代码示例来源：origin: tiandawu/IotXmpp

private static int
checkMaskLength(String field, int family, int val) {
  int max = Address.addressLength(family) * 8;
  if (val < 0 || val > max)
    throw new IllegalArgumentException("\"" + field + "\" " + val +
              " must be in the range " +
              "[0.." + max + "]");
  return val;
}

代码示例来源：origin: dnsjava/dnsjava

private static int
checkMaskLength(String field, int family, int val) {
  int max = Address.addressLength(family) * 8;
  if (val < 0 || val > max)
    throw new IllegalArgumentException("\"" + field + "\" " + val +
              " must be in the range " +
              "[0.." + max + "]");
  return val;
}

代码示例来源：origin: org.littleshoot/dnsjava

/**
 * Truncates an address to the specified number of bits.  For example,
 * truncating the address 10.1.2.3 to 8 bits would yield 10.0.0.0.
 * @param address The source address
 * @param maskLength The number of bits to truncate the address to.
 */
public static InetAddress
truncate(InetAddress address, int maskLength)
{
  int family = familyOf(address);
  int maxMaskLength = addressLength(family) * 8;
  if (maskLength < 0 || maskLength > maxMaskLength)
    throw new IllegalArgumentException("invalid mask length");
  if (maskLength == maxMaskLength)
    return address;
  byte [] bytes = address.getAddress();
  for (int i = maskLength / 8 + 1; i < bytes.length; i++)
    bytes[i] = 0;
  int maskBits = maskLength % 8;
  int bitmask = 0;
  for (int i = 0; i < maskBits; i++)
    bitmask |= (1 << (7 - i));
  bytes[maskLength / 8] &= bitmask;
  try {
    return InetAddress.getByAddress(bytes);
  } catch (UnknownHostException e) {
    throw new IllegalArgumentException("invalid address");
  }
}

代码示例来源：origin: tiandawu/IotXmpp

/**
 * Truncates an address to the specified number of bits.  For example,
 * truncating the address 10.1.2.3 to 8 bits would yield 10.0.0.0.
 * @param address The source address
 * @param maskLength The number of bits to truncate the address to.
 */
public static InetAddress
truncate(InetAddress address, int maskLength)
{
  int family = familyOf(address);
  int maxMaskLength = addressLength(family) * 8;
  if (maskLength < 0 || maskLength > maxMaskLength)
    throw new IllegalArgumentException("invalid mask length");
  if (maskLength == maxMaskLength)
    return address;
  byte [] bytes = address.getAddress();
  for (int i = maskLength / 8 + 1; i < bytes.length; i++)
    bytes[i] = 0;
  int maskBits = maskLength % 8;
  int bitmask = 0;
  for (int i = 0; i < maskBits; i++)
    bitmask |= (1 << (7 - i));
  bytes[maskLength / 8] &= bitmask;
  try {
    return InetAddress.getByAddress(bytes);
  } catch (UnknownHostException e) {
    throw new IllegalArgumentException("invalid address");
  }
}

代码示例来源：origin: dnsjava/dnsjava

/**
 * Truncates an address to the specified number of bits.  For example,
 * truncating the address 10.1.2.3 to 8 bits would yield 10.0.0.0.
 * @param address The source address
 * @param maskLength The number of bits to truncate the address to.
 */
public static InetAddress
truncate(InetAddress address, int maskLength)
{
  int family = familyOf(address);
  int maxMaskLength = addressLength(family) * 8;
  if (maskLength < 0 || maskLength > maxMaskLength)
    throw new IllegalArgumentException("invalid mask length");
  if (maskLength == maxMaskLength)
    return address;
  byte [] bytes = address.getAddress();
  for (int i = maskLength / 8 + 1; i < bytes.length; i++)
    bytes[i] = 0;
  int maskBits = maskLength % 8;
  int bitmask = 0;
  for (int i = 0; i < maskBits; i++)
    bitmask |= (1 << (7 - i));
  bytes[maskLength / 8] &= bitmask;
  try {
    return InetAddress.getByAddress(bytes);
  } catch (UnknownHostException e) {
    throw new IllegalArgumentException("invalid address");
  }
}

代码示例来源：origin: tiandawu/IotXmpp

throw new WireParseException("unknown address family");
sourceNetmask = in.readU8();
if (sourceNetmask > Address.addressLength(family) * 8)
  throw new WireParseException("invalid source netmask");
scopeNetmask = in.readU8();
if (scopeNetmask > Address.addressLength(family) * 8)
  throw new WireParseException("invalid scope netmask");
byte [] fulladdr = new byte[Address.addressLength(family)];
System.arraycopy(addr, 0, fulladdr, 0, addr.length);

代码示例来源：origin: dnsjava/dnsjava

throw new WireParseException("unknown address family");
sourceNetmask = in.readU8();
if (sourceNetmask > Address.addressLength(family) * 8)
  throw new WireParseException("invalid source netmask");
scopeNetmask = in.readU8();
if (scopeNetmask > Address.addressLength(family) * 8)
  throw new WireParseException("invalid scope netmask");
byte [] fulladdr = new byte[Address.addressLength(family)];
System.arraycopy(addr, 0, fulladdr, 0, addr.length);

代码示例来源：origin: org.littleshoot/dnsjava

throw new WireParseException("unknown address family");
sourceNetmask = in.readU8();
if (sourceNetmask > Address.addressLength(family) * 8)
  throw new WireParseException("invalid source netmask");
scopeNetmask = in.readU8();
if (scopeNetmask > Address.addressLength(family) * 8)
  throw new WireParseException("invalid scope netmask");
byte [] fulladdr = new byte[Address.addressLength(family)];
System.arraycopy(addr, 0, fulladdr, 0, addr.length);

代码示例来源：origin: org.littleshoot/dnsjava

void
rrFromWire(DNSInput in) throws IOException {
  elements = new ArrayList(1);
  while (in.remaining() != 0) {
    int family = in.readU16();
    int prefix = in.readU8();
    int length = in.readU8();
    boolean negative = (length & 0x80) != 0;
    length &= ~0x80;

    byte [] data = in.readByteArray(length);
    Element element;
    if (!validatePrefixLength(family, prefix)) {
      throw new WireParseException("invalid prefix length");
    }

    if (family == Address.IPv4 || family == Address.IPv6) {
      data = parseAddress(data,
            Address.addressLength(family));
      InetAddress addr = InetAddress.getByAddress(data);
      element = new Element(negative, addr, prefix);
    } else {
      element = new Element(family, negative, data, prefix);
    }
    elements.add(element);

  }
}

代码示例来源：origin: net.sf.dnsjava-osgi/dnsjava-osgi

void
rrFromWire(DNSInput in) throws IOException {
  elements = new ArrayList(1);
  while (in.remaining() != 0) {
    int family = in.readU16();
    int prefix = in.readU8();
    int length = in.readU8();
    boolean negative = (length & 0x80) != 0;
    length &= ~0x80;

    byte [] data = in.readByteArray(length);
    Element element;
    if (!validatePrefixLength(family, prefix)) {
      throw new WireParseException("invalid prefix length");
    }

    if (family == Address.IPv4 || family == Address.IPv6) {
      data = parseAddress(data,
            Address.addressLength(family));
      InetAddress addr = InetAddress.getByAddress(data);
      element = new Element(negative, addr, prefix);
    } else {
      element = new Element(family, negative, data, prefix);
    }
    elements.add(element);

  }
}

代码示例来源：origin: tiandawu/IotXmpp

void
rrFromWire(DNSInput in) throws IOException {
  elements = new ArrayList(1);
  while (in.remaining() != 0) {
    int family = in.readU16();
    int prefix = in.readU8();
    int length = in.readU8();
    boolean negative = (length & 0x80) != 0;
    length &= ~0x80;

    byte [] data = in.readByteArray(length);
    Element element;
    if (!validatePrefixLength(family, prefix)) {
      throw new WireParseException("invalid prefix length");
    }

    if (family == Address.IPv4 || family == Address.IPv6) {
      data = parseAddress(data,
            Address.addressLength(family));
      InetAddress addr = InetAddress.getByAddress(data);
      element = new Element(negative, addr, prefix);
    } else {
      element = new Element(family, negative, data, prefix);
    }
    elements.add(element);

  }
}

代码示例来源：origin: dnsjava/dnsjava

void
rrFromWire(DNSInput in) throws IOException {
  elements = new ArrayList(1);
  while (in.remaining() != 0) {
    int family = in.readU16();
    int prefix = in.readU8();
    int length = in.readU8();
    boolean negative = (length & 0x80) != 0;
    length &= ~0x80;

    byte [] data = in.readByteArray(length);
    Element element;
    if (!validatePrefixLength(family, prefix)) {
      throw new WireParseException("invalid prefix length");
    }

    if (family == Address.IPv4 || family == Address.IPv6) {
      data = parseAddress(data,
            Address.addressLength(family));
      InetAddress addr = InetAddress.getByAddress(data);
      element = new Element(negative, addr, prefix);
    } else {
      element = new Element(family, negative, data, prefix);
    }
    elements.add(element);

  }
}

内容来源于网络，如有侵权，请联系作者删除！

Address

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多
    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com