Class DnsQueryIdSpace.DnsQueryIdRange

java.lang.Object
io.netty.resolver.dns.DnsQueryIdSpace.DnsQueryIdRange
Enclosing class:
DnsQueryIdSpace
private static final class DnsQueryIdSpace.DnsQueryIdRange extends java.lang.Object
Provides a query if from a range of possible ids.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    private int
    count
     
    private final short[]
    ids
     
    private final java.security.SecureRandom
    random
     
    private final int
    startId
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    DnsQueryIdRange(int bucketSize, int startId, java.security.SecureRandom random)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    (package private) int
    maxUsableIds()
    Return the maximum number of ids that are supported.
    (package private) int
    nextId()
    Returns the next ID to use for a query or -1 if there is none left to use.
    (package private) void
    pushId(int id)
    Push back the id, so it can be used again for the next query.
    (package private) int
    usableIds()
    Return how much more usable ids are left.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • ids

      private final short[] ids

    • startId

      private final int startId

    • random

      private final java.security.SecureRandom random

    • count

      private int count

  • Constructor Details

    • DnsQueryIdRange

      DnsQueryIdRange(int bucketSize, int startId, java.security.SecureRandom random)

  • Method Details

    • nextId

      int nextId()
      Returns the next ID to use for a query or -1 if there is none left to use.
      Returns:
      next id to use.

    • pushId

      void pushId(int id)
      Push back the id, so it can be used again for the next query.
      Parameters:
      id - the id.

    • usableIds

      int usableIds()
      Return how much more usable ids are left.
      Returns:
      the number of ids that are left for usage.

    • maxUsableIds

      int maxUsableIds()
      Return the maximum number of ids that are supported.
      Returns:
      the maximum number of ids.