Package org.apache.hadoop.net

Network-related classes.

See: Description

Interface Summary

Interface	Description
DNSToSwitchMapping	An interface that must be implemented to allow pluggable DNS-name/IP-address to RackID resolvers.

Class Summary

Class	Description
AbstractDNSToSwitchMapping	This is a base class for DNS to Switch mappings.
CachedDNSToSwitchMapping	A cached implementation of DNSToSwitchMapping that takes an raw DNSToSwitchMapping and stores the resolved network location in a cache.
ScriptBasedMapping	This class implements the DNSToSwitchMapping interface using a script configured via the CommonConfigurationKeysPublic.NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY option.
ScriptBasedMapping.RawScriptBasedMapping	This is the uncached script mapping that is fed into the cache managed by the superclass CachedDNSToSwitchMapping
SocksSocketFactory	Specialized SocketFactory to create sockets with a SOCKS proxy
StandardSocketFactory	Specialized SocketFactory to create sockets with a SOCKS proxy
TableMapping	Simple DNSToSwitchMapping implementation that reads a 2 column text file.

Exception Summary

Exception	Description
ConnectTimeoutException	Thrown by NetUtils.connect(java.net.Socket, java.net.SocketAddress, int) if it times out while connecting to the remote host.
NetworkTopology.InvalidTopologyException

Package org.apache.hadoop.net Description

Network-related classes.