TimedSocketWrapper (Faban 1.0)

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com.sun.faban.driver.transport.util
Class TimedSocketWrapper

java.lang.Object
  java.net.Socket
      com.sun.faban.driver.transport.util.TimedSocketWrapper

public class TimedSocketWrapper
extends Socket
extends Socket

The TimedSocketWrapper wraps an existing, opened socket with the timed artifacts. If a socket can be created from scratch, TimedSocket should be used. But if we obtain a socket from a factory, such as an SSL socket, we cannot extend that socket implementation. We need to wrap it with this wrapper to enable timing of the sockets.

Author:: Akara Sucharitakul

Constructor Summary
`TimedSocketWrapper()` Creates a blank TimedSocketWrapper and starts the timer.
`TimedSocketWrapper(Socket socket)` Creates a TimedSocketWrapper wrapping an existing socket.

Method Summary
`void`	`bind(SocketAddress bindpoint)` Binds the socket to a local address.
`void`	`close()` Closes this socket.
`void`	`connect(SocketAddress endpoint, int timeout)` Connects this socket to the server with a specified timeout value.
`SocketChannel`	`getChannel()` Returns the unique `SocketChannel` object associated with this socket, if any.
`InetAddress`	`getInetAddress()` Returns the address to which the socket is connected.
`InputStream`	`getInputStream()` Returns an input stream for this socket.
`boolean`	`getKeepAlive()` Tests if SO_KEEPALIVE is enabled.
`InetAddress`	`getLocalAddress()` Gets the local address to which the socket is bound.
`int`	`getLocalPort()` Returns the local port to which this socket is bound.
`SocketAddress`	`getLocalSocketAddress()` Returns the address of the endpoint this socket is bound to, or `null` if it is not bound yet.
`boolean`	`getOOBInline()` Tests if OOBINLINE is enabled.
`OutputStream`	`getOutputStream()` Returns an output stream for this socket.
`int`	`getPort()` Returns the remote port to which this socket is connected.
`int`	`getReceiveBufferSize()` Gets the value of the SO_RCVBUF option for this `Socket`, that is the buffer size used by the platform for input on this `Socket`.
`SocketAddress`	`getRemoteSocketAddress()` Returns the address of the endpoint this socket is connected to, or `null` if it is unconnected.
`boolean`	`getReuseAddress()` Tests if SO_REUSEADDR is enabled.
`int`	`getSendBufferSize()` Get value of the SO_SNDBUF option for this `Socket`, that is the buffer size used by the platform for output on this `Socket`.
`int`	`getSoLinger()` Returns setting for SO_LINGER.
`int`	`getSoTimeout()` Returns setting for SO_TIMEOUT.
`boolean`	`getTcpNoDelay()` Tests if TCP_NODELAY is enabled.
`int`	`getTrafficClass()` Gets traffic class or type-of-service in the IP header for packets sent from this Socket
`boolean`	`isBound()` Returns the binding state of the socket.
`boolean`	`isClosed()` Returns the closed state of the socket.
`boolean`	`isConnected()` Returns the connection state of the socket.
`boolean`	`isInputShutdown()` Returns whether the read-half of the socket connection is closed.
`boolean`	`isOutputShutdown()` Returns whether the write-half of the socket connection is closed.
`void`	`sendUrgentData(int data)` Send one byte of urgent data on the socket.
`void`	`setKeepAlive(boolean on)` Enable/disable SO_KEEPALIVE.
`void`	`setOOBInline(boolean on)` Enable/disable OOBINLINE (receipt of TCP urgent data) By default, this option is disabled and TCP urgent data received on a socket is silently discarded.
`void`	`setPerformancePreferences(int connectionTime, int latency, int bandwidth)` Sets performance preferences for this socket.
`void`	`setReceiveBufferSize(int size)` Sets the SO_RCVBUF option to the specified value for this `Socket`.
`void`	`setReuseAddress(boolean on)` Enable/disable the SO_REUSEADDR socket option.
`void`	`setSendBufferSize(int size)` Sets the SO_SNDBUF option to the specified value for this `Socket`.
`void`	`setSocket(Socket socket)` Sets the socket this wrapper represents.
`void`	`setSoLinger(boolean on, int linger)` Enable/disable SO_LINGER with the specified linger time in seconds.
`void`	`setSoTimeout(int timeout)` Enable/disable SO_TIMEOUT with the specified timeout, in milliseconds.
`void`	`setTcpNoDelay(boolean on)` Enable/disable TCP_NODELAY (disable/enable Nagle's algorithm).
`void`	`setTrafficClass(int tc)` Sets traffic class or type-of-service octet in the IP header for packets sent from this Socket.
`void`	`shutdownInput()` Places the input stream for this socket at "end of stream".
`void`	`shutdownOutput()` Disables the output stream for this socket.
`String`	`toString()` Converts this socket to a `String`.

Methods inherited from class java.net.Socket
`connect, setSocketImplFactory`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

TimedSocketWrapper

public TimedSocketWrapper(Socket socket)

Creates a TimedSocketWrapper wrapping an existing socket.

Parameters:: socket - The existing socket

TimedSocketWrapper

public TimedSocketWrapper()

Creates a blank TimedSocketWrapper and starts the timer. The wrapper is not useful until setSocket(Socket) is being called.

Method Detail

setSocket

public void setSocket(Socket socket)

Sets the socket this wrapper represents. This is usually done after the no-arg constructor is called.

Parameters:: socket - The existing socket

getInputStream

public InputStream getInputStream()
                           throws IOException

Returns an input stream for this socket.

If this socket has an associated channel then the resulting input stream delegates all of its operations to the channel. If the channel is in non-blocking mode then the input stream's read operations will throw an IllegalBlockingModeException.

Under abnormal conditions the underlying connection may be broken by the remote host or the network software (for example a connection reset in the case of TCP connections). When a broken connection is detected by the network software the following applies to the returned input stream :-

The network software may discard bytes that are buffered by the socket. Bytes that aren't discarded by the network software can be read using read.
If there are no bytes buffered on the socket, or all buffered bytes have been consumed by read, then all subsequent calls to read will throw an IOException.
If there are no bytes buffered on the socket, and the socket has not been closed using close, then available will return 0.

Overrides:: getInputStream in class Socket

Returns:: an input stream for reading bytes from this socket.
Throws:: IOException - if an I/O error occurs when creating the input stream, the socket is closed, the socket is not connected, or the socket input has been shutdown using shutdownInput()

getOutputStream

public OutputStream getOutputStream()
                             throws IOException

Returns an output stream for this socket.

If this socket has an associated channel then the resulting output stream delegates all of its operations to the channel. If the channel is in non-blocking mode then the output stream's write operations will throw an IllegalBlockingModeException.

Overrides:: getOutputStream in class Socket

Returns:: an output stream for writing bytes to this socket.
Throws:: IOException - if an I/O error occurs when creating the output stream or if the socket is not connected.

setTcpNoDelay

public void setTcpNoDelay(boolean on)
                   throws SocketException

Enable/disable TCP_NODELAY (disable/enable Nagle's algorithm).

Overrides:: setTcpNoDelay in class Socket

Parameters:: on - true to enable TCP_NODELAY, false to disable.
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.
Since:: JDK1.1
See Also:: getTcpNoDelay()

getTcpNoDelay

public boolean getTcpNoDelay()
                      throws SocketException

Tests if TCP_NODELAY is enabled.

Overrides:: getTcpNoDelay in class Socket

Returns:: a boolean indicating whether or not TCP_NODELAY is enabled.
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.
Since:: JDK1.1
See Also:: setTcpNoDelay(boolean)

setSoLinger

public void setSoLinger(boolean on,
                        int linger)
                 throws SocketException

Enable/disable SO_LINGER with the specified linger time in seconds. The maximum timeout value is platform specific. The setting only affects socket close.

Overrides:: setSoLinger in class Socket

Parameters:: on - whether or not to linger on.; linger - how long to linger for, if on is true.
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.; IllegalArgumentException - if the linger value is negative.
Since:: JDK1.1
See Also:: getSoLinger()

getSoLinger

public int getSoLinger()
                throws SocketException

Returns setting for SO_LINGER. -1 returns implies that the option is disabled. The setting only affects socket close.

Overrides:: getSoLinger in class Socket

Returns:: the setting for SO_LINGER.
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.
Since:: JDK1.1
See Also:: setSoLinger(boolean, int)

sendUrgentData

public void sendUrgentData(int data)
                    throws IOException

Send one byte of urgent data on the socket. The byte to be sent is the lowest eight bits of the data parameter. The urgent byte is sent after any preceding writes to the socket OutputStream and before any future writes to the OutputStream.

Overrides:: sendUrgentData in class Socket

Parameters:: data - The byte of data to send
Throws:: IOException - if there is an error sending the data.
Since:: 1.4

setOOBInline

public void setOOBInline(boolean on)
                  throws SocketException

Enable/disable OOBINLINE (receipt of TCP urgent data) By default, this option is disabled and TCP urgent data received on a socket is silently discarded. If the user wishes to receive urgent data, then this option must be enabled. When enabled, urgent data is received inline with normal data.

Note, only limited support is provided for handling incoming urgent data. In particular, no notification of incoming urgent data is provided and there is no capability to distinguish between normal data and urgent data unless provided by a higher level protocol.

Overrides:: setOOBInline in class Socket

Parameters:: on - true to enable OOBINLINE, false to disable.
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.
Since:: 1.4
See Also:: getOOBInline()

getOOBInline

public boolean getOOBInline()
                     throws SocketException

Tests if OOBINLINE is enabled.

Overrides:: getOOBInline in class Socket

Returns:: a boolean indicating whether or not OOBINLINE is enabled.
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.
Since:: 1.4
See Also:: setOOBInline(boolean)

setSoTimeout

public void setSoTimeout(int timeout)
                  throws SocketException

Enable/disable SO_TIMEOUT with the specified timeout, in milliseconds. With this option set to a non-zero timeout, a read() call on the InputStream associated with this Socket will block for only this amount of time. If the timeout expires, a java.net.SocketTimeoutException is raised, though the Socket is still valid. The option must be enabled prior to entering the blocking operation to have effect. The timeout must be > 0. A timeout of zero is interpreted as an infinite timeout.

Overrides:: setSoTimeout in class Socket

Parameters:: timeout - the specified timeout, in milliseconds.
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.
Since:: JDK 1.1
See Also:: getSoTimeout()

getSoTimeout

public int getSoTimeout()
                 throws SocketException

Returns setting for SO_TIMEOUT. 0 returns implies that the option is disabled (i.e., timeout of infinity).

Overrides:: getSoTimeout in class Socket

Returns:: the setting for SO_TIMEOUT
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.
Since:: JDK1.1
See Also:: setSoTimeout(int)

setSendBufferSize

public void setSendBufferSize(int size)
                       throws SocketException

Sets the SO_SNDBUF option to the specified value for this Socket. The SO_SNDBUF option is used by the platform's networking code as a hint for the size to set the underlying network I/O buffers.

Because SO_SNDBUF is a hint, applications that want to verify what size the buffers were set to should call getSendBufferSize().

Overrides:: setSendBufferSize in class Socket

Parameters:: size - the size to which to set the send buffer size. This value must be greater than 0.
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.; IllegalArgumentException - if the value is 0 or is negative.
Since:: 1.2
See Also:: getSendBufferSize()

getSendBufferSize

public int getSendBufferSize()
                      throws SocketException

Get value of the SO_SNDBUF option for this Socket, that is the buffer size used by the platform for output on this Socket.

Overrides:: getSendBufferSize in class Socket

Returns:: the value of the SO_SNDBUF option for this Socket.
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.
Since:: 1.2
See Also:: setSendBufferSize(int)

setReceiveBufferSize

public void setReceiveBufferSize(int size)
                          throws SocketException

Sets the SO_RCVBUF option to the specified value for this Socket. The SO_RCVBUF option is used by the platform's networking code as a hint for the size to set the underlying network I/O buffers.

Increasing the receive buffer size can increase the performance of network I/O for high-volume connection, while decreasing it can help reduce the backlog of incoming data.

Because SO_RCVBUF is a hint, applications that want to verify what size the buffers were set to should call getReceiveBufferSize().

The value of SO_RCVBUF is also used to set the TCP receive window that is advertized to the remote peer. Generally, the window size can be modified at any time when a socket is connected. However, if a receive window larger than 64K is required then this must be requested before the socket is connected to the remote peer. There are two cases to be aware of:

For sockets accepted from a ServerSocket, this must be done by calling ServerSocket.setReceiveBufferSize(int) before the ServerSocket is bound to a local address.
For client sockets, setReceiveBufferSize() must be called before connecting the socket to its remote peer.

Overrides:: setReceiveBufferSize in class Socket

Parameters:: size - the size to which to set the receive buffer size. This value must be greater than 0.
Throws:: IllegalArgumentException - if the value is 0 or is negative.; SocketException - if there is an error in the underlying protocol, such as a TCP error.
Since:: 1.2
See Also:: getReceiveBufferSize()

getReceiveBufferSize

public int getReceiveBufferSize()
                         throws SocketException

Gets the value of the SO_RCVBUF option for this Socket, that is the buffer size used by the platform for input on this Socket.

Overrides:: getReceiveBufferSize in class Socket

Returns:: the value of the SO_RCVBUF option for this Socket.
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.
Since:: 1.2
See Also:: setReceiveBufferSize(int)

setKeepAlive

public void setKeepAlive(boolean on)
                  throws SocketException

Enable/disable SO_KEEPALIVE.

Overrides:: setKeepAlive in class Socket

Parameters:: on - whether or not to have socket keep alive turned on.
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.
Since:: 1.3
See Also:: getKeepAlive()

getKeepAlive

public boolean getKeepAlive()
                     throws SocketException

Tests if SO_KEEPALIVE is enabled.

Overrides:: getKeepAlive in class Socket

Returns:: a boolean indicating whether or not SO_KEEPALIVE is enabled.
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.
Since:: 1.3
See Also:: setKeepAlive(boolean)

setTrafficClass

public void setTrafficClass(int tc)
                     throws SocketException

Sets traffic class or type-of-service octet in the IP header for packets sent from this Socket. As the underlying network implementation may ignore this value applications should consider it a hint.

The tc must be in the range 0 <= tc <= 255 or an IllegalArgumentException will be thrown.

Notes:

For Internet Protocol v4 the value consists of an octet with precedence and TOS fields as detailed in RFC 1349. The TOS field is bitset created by bitwise-or'ing values such the following :-

IPTOS_LOWCOST (0x02)
IPTOS_RELIABILITY (0x04)
IPTOS_THROUGHPUT (0x08)
IPTOS_LOWDELAY (0x10)

The last low order bit is always ignored as this corresponds to the MBZ (must be zero) bit.

Setting bits in the precedence field may result in a SocketException indicating that the operation is not permitted.

As RFC 1122 section 4.2.4.2 indicates, a compliant TCP implementation should, but is not required to, let application change the TOS field during the lifetime of a connection. So whether the type-of-service field can be changed after the TCP connection has been established depends on the implementation in the underlying platform. Applications should not assume that they can change the TOS field after the connection.

For Internet Protocol v6 tc is the value that would be placed into the sin6_flowinfo field of the IP header.

Overrides:: setTrafficClass in class Socket

Parameters:: tc - an int value for the bitset.
Throws:: SocketException - if there is an error setting the traffic class or type-of-service
Since:: 1.4
See Also:: getTrafficClass()

getTrafficClass

public int getTrafficClass()
                    throws SocketException

Gets traffic class or type-of-service in the IP header for packets sent from this Socket

As the underlying network implementation may ignore the traffic class or type-of-service set using setTrafficClass(int) this method may return a different value than was previously set using the setTrafficClass(int) method on this Socket.

Overrides:: getTrafficClass in class Socket

Returns:: the traffic class or type-of-service already set
Throws:: SocketException - if there is an error obtaining the traffic class or type-of-service value.
Since:: 1.4
See Also:: setTrafficClass(int)

setReuseAddress

public void setReuseAddress(boolean on)
                     throws SocketException

Enable/disable the SO_REUSEADDR socket option.

When a TCP connection is closed the connection may remain in a timeout state for a period of time after the connection is closed (typically known as the TIME_WAIT state or 2MSL wait state). For applications using a well known socket address or port it may not be possible to bind a socket to the required SocketAddress if there is a connection in the timeout state involving the socket address or port.

Enabling SO_REUSEADDR prior to binding the socket using bind(SocketAddress) allows the socket to be bound even though a previous connection is in a timeout state.

When a Socket is created the initial setting of SO_REUSEADDR is disabled.

The behaviour when SO_REUSEADDR is enabled or disabled after a socket is bound (See isBound()) is not defined.

Overrides:: setReuseAddress in class Socket

Parameters:: on - whether to enable or disable the socket option
Throws:: SocketException - if an error occurs enabling or disabling the SO_RESUEADDR socket option, or the socket is closed.
Since:: 1.4
See Also:: getReuseAddress(), bind(SocketAddress), isClosed(), isBound()

getReuseAddress

public boolean getReuseAddress()
                        throws SocketException

Tests if SO_REUSEADDR is enabled.

Overrides:: getReuseAddress in class Socket

Returns:: a boolean indicating whether or not SO_REUSEADDR is enabled.
Throws:: SocketException - if there is an error in the underlying protocol, such as a TCP error.
Since:: 1.4
See Also:: setReuseAddress(boolean)

close

public void close()
           throws IOException

Closes this socket.

Any thread currently blocked in an I/O operation upon this socket will throw a SocketException.

Once a socket has been closed, it is not available for further networking use (i.e. can't be reconnected or rebound). A new socket needs to be created.

Closing this socket will also close the socket's InputStream and OutputStream.

If this socket has an associated channel then the channel is closed as well.

Overrides:: close in class Socket

Throws:: IOException - if an I/O error occurs when closing this socket.
See Also:: isClosed()

shutdownInput

public void shutdownInput()
                   throws IOException

Places the input stream for this socket at "end of stream". Any data sent to the input stream side of the socket is acknowledged and then silently discarded.

If you read from a socket input stream after invoking shutdownInput() on the socket, the stream will return EOF.

Overrides:: shutdownInput in class Socket

Throws:: IOException - if an I/O error occurs when shutting down this socket.
Since:: 1.3
See Also:: Socket.shutdownOutput(), Socket.close(), Socket.setSoLinger(boolean, int), isInputShutdown()

shutdownOutput

public void shutdownOutput()
                    throws IOException

Disables the output stream for this socket. For a TCP socket, any previously written data will be sent followed by TCP's normal connection termination sequence. If you write to a socket output stream after invoking shutdownOutput() on the socket, the stream will throw an IOException.

Overrides:: shutdownOutput in class Socket

Throws:: IOException - if an I/O error occurs when shutting down this socket.
Since:: 1.3
See Also:: Socket.shutdownInput(), Socket.close(), Socket.setSoLinger(boolean, int), isOutputShutdown()

toString

public String toString()

Converts this socket to a String.

Overrides:: toString in class Socket

Returns:: a string representation of this socket.

isConnected

public boolean isConnected()

Returns the connection state of the socket.

Overrides:: isConnected in class Socket

Returns:: true if the socket successfuly connected to a server
Since:: 1.4

isBound

public boolean isBound()

Returns the binding state of the socket.

Overrides:: isBound in class Socket

Returns:: true if the socket successfuly bound to an address
Since:: 1.4
See Also:: bind(java.net.SocketAddress)

isClosed

public boolean isClosed()

Returns the closed state of the socket.

Overrides:: isClosed in class Socket

Returns:: true if the socket has been closed
Since:: 1.4
See Also:: close()

isInputShutdown

public boolean isInputShutdown()

Returns whether the read-half of the socket connection is closed.

Overrides:: isInputShutdown in class Socket

Returns:: true if the input of the socket has been shutdown
Since:: 1.4
See Also:: shutdownInput()

isOutputShutdown

public boolean isOutputShutdown()

Returns whether the write-half of the socket connection is closed.

Overrides:: isOutputShutdown in class Socket

Returns:: true if the output of the socket has been shutdown
Since:: 1.4
See Also:: shutdownOutput()

setPerformancePreferences

public void setPerformancePreferences(int connectionTime,
                                      int latency,
                                      int bandwidth)

Sets performance preferences for this socket.

Sockets use the TCP/IP protocol by default. Some implementations may offer alternative protocols which have different performance characteristics than TCP/IP. This method allows the application to express its own preferences as to how these tradeoffs should be made when the implementation chooses from the available protocols.

Performance preferences are described by three integers whose values indicate the relative importance of short connection time, low latency, and high bandwidth. The absolute values of the integers are irrelevant; in order to choose a protocol the values are simply compared, with larger values indicating stronger preferences. Negative values represent a lower priority than positive values. If the application prefers short connection time over both low latency and high bandwidth, for example, then it could invoke this method with the values (1, 0, 0). If the application prefers high bandwidth above low latency, and low latency above short connection time, then it could invoke this method with the values (0, 1, 2).

Invoking this method after this socket has been connected will have no effect.

Overrides:: setPerformancePreferences in class Socket

Parameters:: connectionTime - An int expressing the relative importance of a short connection time; latency - An int expressing the relative importance of low latency; bandwidth - An int expressing the relative importance of high bandwidth
Since:: 1.5

connect

public void connect(SocketAddress endpoint,
                    int timeout)
             throws IOException

Connects this socket to the server with a specified timeout value. A timeout of zero is interpreted as an infinite timeout. The connection will then block until established or an error occurs.

Overrides:: connect in class Socket

Parameters:: endpoint - the SocketAddress; timeout - the timeout value to be used in milliseconds.
Throws:: IOException - if an error occurs during the connection; SocketTimeoutException - if timeout expires before connecting; IllegalBlockingModeException - if this socket has an associated channel, and the channel is in non-blocking mode; IllegalArgumentException - if endpoint is null or is a SocketAddress subclass not supported by this socket
Since:: 1.4

bind

public void bind(SocketAddress bindpoint)
          throws IOException

Binds the socket to a local address.

If the address is null, then the system will pick up an ephemeral port and a valid local address to bind the socket.

Overrides:: bind in class Socket

Parameters:: bindpoint - the SocketAddress to bind to
Throws:: IOException - if the bind operation fails, or if the socket is already bound.; IllegalArgumentException - if bindpoint is a SocketAddress subclass not supported by this socket
Since:: 1.4
See Also:: isBound()

getInetAddress

public InetAddress getInetAddress()

Returns the address to which the socket is connected.

Overrides:: getInetAddress in class Socket

Returns:: the remote IP address to which this socket is connected, or null if the socket is not connected.

getLocalAddress

public InetAddress getLocalAddress()

Gets the local address to which the socket is bound.

Overrides:: getLocalAddress in class Socket

Returns:: the local address to which the socket is bound or InetAddress.anyLocalAddress() if the socket is not bound yet.
Since:: JDK1.1

getPort

public int getPort()

Returns the remote port to which this socket is connected.

Overrides:: getPort in class Socket

Returns:: the remote port number to which this socket is connected, or 0 if the socket is not connected yet.

getLocalPort

public int getLocalPort()

Returns the local port to which this socket is bound.

Overrides:: getLocalPort in class Socket

Returns:: the local port number to which this socket is bound or -1 if the socket is not bound yet.

getRemoteSocketAddress

public SocketAddress getRemoteSocketAddress()

Returns the address of the endpoint this socket is connected to, or null if it is unconnected.

Overrides:: getRemoteSocketAddress in class Socket

Returns:: a SocketAddress reprensenting the remote endpoint of this socket, or null if it is not connected yet.
Since:: 1.4
See Also:: getInetAddress(), getPort(), connect(SocketAddress, int), Socket.connect(SocketAddress)

getLocalSocketAddress

public SocketAddress getLocalSocketAddress()

Returns the address of the endpoint this socket is bound to, or null if it is not bound yet.

Overrides:: getLocalSocketAddress in class Socket

Returns:: a SocketAddress representing the local endpoint of this socket, or null if it is not bound yet.
Since:: 1.4
See Also:: getLocalAddress(), getLocalPort(), bind(SocketAddress)

getChannel

public SocketChannel getChannel()

Returns the unique SocketChannel object associated with this socket, if any.

A socket will have a channel if, and only if, the channel itself was created via the SocketChannel.open or ServerSocketChannel.accept methods.

Overrides:: getChannel in class Socket

Returns:: the socket channel associated with this socket, or null if this socket was not created for a channel
Since:: 1.4

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com.sun.faban.driver.transport.util Class TimedSocketWrapper

TimedSocketWrapper

TimedSocketWrapper

setSocket

getInputStream

getOutputStream

setTcpNoDelay

getTcpNoDelay

setSoLinger

getSoLinger

sendUrgentData

setOOBInline

getOOBInline

setSoTimeout

getSoTimeout

setSendBufferSize

getSendBufferSize

setReceiveBufferSize

getReceiveBufferSize

setKeepAlive

getKeepAlive

setTrafficClass

getTrafficClass

setReuseAddress

getReuseAddress

close

shutdownInput

shutdownOutput

toString

isConnected

isBound

isClosed

isInputShutdown

isOutputShutdown

setPerformancePreferences

connect

bind

getInetAddress

getLocalAddress

getPort

getLocalPort

getRemoteSocketAddress

getLocalSocketAddress

getChannel

com.sun.faban.driver.transport.util
Class TimedSocketWrapper