goofs

Class ChunkServer

java.lang.Object

java.lang.Thread

goofs.ChunkServer

All Implemented Interfaces:

java.lang.Runnable

public class ChunkServer
extends java.lang.Thread

Storage node in a goofs filesystem.

Author:

Elliott Forney

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
static int	majorHeartbeatInterval
static int	minorHeartbeatSecs

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
ChunkServer(HostID csID, HostID contID) Create new goofs storage node.

Method Summary

Modifier and Type	Method and Description
static void	main(java.lang.String[] args) Start a new chunkserver
void	run() Run chunkserver.
void	sendMajorHeartbeat()
void	sendMinorHeartbeat()

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

minorHeartbeatSecs

public static final int minorHeartbeatSecs

See Also:

Constant Field Values

majorHeartbeatInterval

public static final int majorHeartbeatInterval

See Also:

Constant Field Values

Constructor Detail

ChunkServer

public ChunkServer(HostID csID,
                   HostID contID)

Create new goofs storage node.

Parameters:

csID - Identification for this chunkserver

contID - Identification for controller to use

Method Detail

run

public void run()

Run chunkserver. Listen for connections and start message handlers for each incomming message.

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread

sendMajorHeartbeat

public void sendMajorHeartbeat()
                        throws java.lang.Exception

Throws:

java.lang.Exception

sendMinorHeartbeat

public void sendMinorHeartbeat()
                        throws java.lang.Exception

Throws:

java.lang.Exception

main

public static void main(java.lang.String[] args)

Start a new chunkserver

Parameters:

args - Command-line arguments