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Package org.apache.hadoop.net

Added Classes
NetworkTopology.InvalidTopologyException  
SocketInputWrapper A wrapper stream around a socket which allows setting of its timeout.
TableMapping

Simple DNSToSwitchMapping implementation that reads a 2 column text file.

 

Changed Classes and Interfaces
CachedDNSToSwitchMapping A cached implementation of DNSToSwitchMapping that takes an raw DNSToSwitchMapping and stores the resolved network location in a cache.
DNS A class that provides direct and reverse lookup functionalities allowing the querying of specific network interfaces or nameservers.
DNSToSwitchMapping An interface that should be implemented to allow pluggable DNS-name/IP-address to RackID resolvers.
NetUtils  
NetworkTopology The class represents a cluster of computer with a tree hierarchical network topology.
NodeBase A base class that implements interface Node
SocketInputStream This implements an input stream that can have a timeout while reading.