com.schooner.MemCached

Class SchoonerSockIOPool.UDPSockIO

java.lang.Object

com.whalin.MemCached.SockIOPool.SockIO

com.schooner.MemCached.SchoonerSockIO

com.schooner.MemCached.SchoonerSockIOPool.UDPSockIO

All Implemented Interfaces:

LineInputStream

Enclosing class:

SchoonerSockIOPool

public static class SchoonerSockIOPool.UDPSockIO
extends SchoonerSockIO

Field Summary

Fields

Modifier and Type	Field and Description
DatagramChannel	channel
static ConcurrentMap<Short,com.schooner.MemCached.SchoonerSockIOPool.UDPSockIO.UDPDataItem>	dataStore
static Short	REQUESTID UDP datagram frame header:
static short	RESERVED
static short	SEQENCE
static short	TOTAL

Fields inherited from class com.schooner.MemCached.SchoonerSockIO

readBuf, sockets, writeBuf

Constructor Summary

Constructors

Constructor and Description
SchoonerSockIOPool.UDPSockIO(org.apache.commons.pool.impl.GenericObjectPool sockets, String host, int bufferSize, int timeout)

Method Summary

Methods

Modifier and Type	Method and Description
void	clearEOL() reads up to end of line and returns nothing
void	close() sets closed flag and checks in to connection pool but does not close connections
ByteChannel	getByteChannel() get byte channel from this socket.
SocketChannel	getChannel() Lets caller get access to underlying channel.
String	getHost() returns the host this socket is connected to
byte[]	getResponse(short rid)
short	preWrite()
int	read(byte[] b) reads length bytes into the passed in byte array from dtream
String	readLine() reads a line intentionally not using the deprecated readLine method from DataInputStream
void	trueClose() closes socket and all streams connected to it
void	trueClose(boolean addToDeadPool) closes socket and all streams connected to it

Methods inherited from class com.schooner.MemCached.SchoonerSockIO

getBufferSize, isAlive, setBufferSize

Methods inherited from class com.whalin.MemCached.SockIOPool.SockIO

finalize, flush, getSocket, hashCode, isConnected, toString, write

Methods inherited from class java.lang.Object

clone, equals, getClass, notify, notifyAll, wait, wait, wait

Field Detail

REQUESTID

public static Short REQUESTID

UDP datagram frame header:

+------------+------------+------------+------------+

| Request ID | Sequence | Total | Reserved |

+------------+------------+------------+------------+

| 2bytes | 2bytes | 2bytes | 2bytes |

+------------+------------+------------+------------+

SEQENCE

public static final short SEQENCE

See Also:

Constant Field Values

TOTAL

public static final short TOTAL

See Also:

Constant Field Values

RESERVED

public static final short RESERVED

See Also:

Constant Field Values

dataStore

public static ConcurrentMap<Short,com.schooner.MemCached.SchoonerSockIOPool.UDPSockIO.UDPDataItem> dataStore

channel

public DatagramChannel channel

Constructor Detail

SchoonerSockIOPool.UDPSockIO

public SchoonerSockIOPool.UDPSockIO(org.apache.commons.pool.impl.GenericObjectPool sockets,
                            String host,
                            int bufferSize,
                            int timeout)
                             throws IOException,
                                    UnknownHostException

Throws:

IOException

UnknownHostException

Method Detail

trueClose

public void trueClose()
               throws IOException

Description copied from class: SockIOPool.SockIO

closes socket and all streams connected to it

Overrides:

trueClose in class SockIOPool.SockIO

Throws:

IOException - if fails to close streams or socket

getByteChannel

public ByteChannel getByteChannel()

Description copied from class: SchoonerSockIO

get byte channel from this socket.

Specified by:

getByteChannel in class SchoonerSockIO

Returns:

the backing SocketChannel

preWrite

public short preWrite()

Specified by:

preWrite in class SchoonerSockIO

getResponse

public byte[] getResponse(short rid)
                   throws IOException

Specified by:

getResponse in class SchoonerSockIO

Throws:

IOException

close

public void close()

Description copied from class: SockIOPool.SockIO

sets closed flag and checks in to connection pool but does not close connections

Overrides:

close in class SockIOPool.SockIO

getHost

public String getHost()

Description copied from class: SockIOPool.SockIO

returns the host this socket is connected to

Overrides:

getHost in class SockIOPool.SockIO

Returns:

String representation of host (hostname:port)

clearEOL

public void clearEOL()
              throws IOException

Description copied from class: SockIOPool.SockIO

reads up to end of line and returns nothing

Specified by:

clearEOL in interface LineInputStream

Overrides:

clearEOL in class SockIOPool.SockIO

Throws:

IOException - if io problems during read

read

public int read(byte[] b)

Description copied from class: SockIOPool.SockIO

reads length bytes into the passed in byte array from dtream

Specified by:

read in interface LineInputStream

Overrides:

read in class SockIOPool.SockIO

Parameters:

b - byte array

Returns:

The number of bytes actually read, or -1 if none could be read.

readLine

public String readLine()
                throws IOException

Description copied from class: SockIOPool.SockIO

reads a line intentionally not using the deprecated readLine method from DataInputStream

Specified by:

readLine in interface LineInputStream

Overrides:

readLine in class SockIOPool.SockIO

Returns:

String that was read in

Throws:

IOException - if io problems during read

trueClose

public void trueClose(boolean addToDeadPool)
               throws IOException

Description copied from class: SockIOPool.SockIO

closes socket and all streams connected to it

Overrides:

trueClose in class SockIOPool.SockIO

Throws:

IOException - if fails to close streams or socket

getChannel

public SocketChannel getChannel()

Description copied from class: SockIOPool.SockIO

Lets caller get access to underlying channel.

Overrides:

getChannel in class SockIOPool.SockIO

Returns:

the backing SocketChannel