OpenJDK 27 · sun.nio.ch.SocketChannelImpl · APIdia, the JavaDoc alternative

Modifier and Type	Class and Description
private static class	SocketChannelImpl.DefaultOptionsHolder

Modifier and Type	Field and Description
private boolean	connectionReset
private final ProtocolFamily	family
private final FileDescriptor	fd
private final int	fdVal
private volatile boolean	forcedNonBlocking
private volatile boolean	isInputClosed
private volatile boolean	isOutputClosed
private boolean	isReuseAddress
private SocketAddress	localAddress
private static final NativeDispatcher	nd
private Thread	readerThread
private final ReentrantLock	readLock
private SocketAddress	remoteAddress
private Socket	socket
private static final int	ST_CLOSED
private static final int	ST_CLOSING
private static final int	ST_CONNECTED
private static final int	ST_CONNECTIONPENDING
private static final int	ST_UNCONNECTED
private volatile int	state
private final Object	stateLock
private final ReentrantLock	writeLock
private Thread	writerThread

Access	Constructor and Description
pack-priv	SocketChannelImpl(SelectorProvider sp)
pack-priv	SocketChannelImpl(SelectorProvider sp, ProtocolFamily family)
pack-priv	SocketChannelImpl(SelectorProvider sp, ProtocolFamily family, FileDescriptor fd, SocketAddress remoteAddress)

Method Summary

Modifier and Type	Method and Description
pack-priv void	afterTransferTo(boolean completed) Marks the end of a transfer to this channel.
pack-priv int	available() Return the number of bytes in the socket input buffer.
pack-priv void	beforeTransferTo() Marks the beginning of a transfer to this channel.
private void	beginConnect(boolean true if configured blocking blocking, SocketAddress the remote socket address sa) Marks the beginning of a connect operation that might block.
private void	beginFinishConnect(boolean blocking) Marks the beginning of a finishConnect operation that might block.
private void	beginRead(boolean blocking) Marks the beginning of a read operation that might block.
private void	beginWrite(boolean blocking) Marks the beginning of a write operation that might block.
public SocketChannel	bind(SocketAddress local) Implements abstract java.nio.channels.SocketChannel.bind. Implements java.nio.channels.NetworkChannel.bind. Binds the channel's socket to a local address.
pack-priv void	blockingConnect(SocketAddress remote, long nanos) Attempts to establish a connection to the given socket address with a timeout.
pack-priv int	blockingRead(byte[] b, int off, int len, long nanos) Reads bytes from the socket into the given byte array.
pack-priv void	blockingWriteFully(byte[] b, int off, int len) Writes a sequence of bytes to the socket from the given byte array.
private SocketAddress	checkRemote(SocketAddress sa) Checks the remote address to which this channel is to be connected.
private void	configureSocketNonBlockingIfVirtualThread() Ensures that the socket is configured non-blocking when on a virtual thread.
public boolean	connect(SocketAddress remote) Implements abstract java.nio.channels.SocketChannel.connect. Connects this channel's socket.
private void	endConnect(boolean blocking, boolean completed) Marks the end of a connect operation that may have blocked.
private void	endFinishConnect(boolean blocking, boolean completed) Marks the end of a finishConnect operation that may have blocked.
private void	endRead(boolean blocking, boolean completed) Marks the end of a read operation that may have blocked.
private void	endWrite(boolean blocking, boolean completed) Marks the end of a write operation that may have blocked.
private void	ensureOpen() Checks that the channel is open.
private void	ensureOpenAndConnected() Checks that the channel is open and connected.
public boolean	finishConnect() Implements abstract java.nio.channels.SocketChannel.finishConnect. Finishes the process of connecting a socket channel.
private boolean	finishTimedConnect(long nanos) Waits for a connection attempt to finish with a timeout
public FileDescriptor	getFD() Implements sun.nio.ch.SelChImpl.getFD.
public int	getFDVal() Implements sun.nio.ch.SelChImpl.getFDVal.
public SocketAddress	getLocalAddress() Implements abstract java.nio.channels.SocketChannel.getLocalAddress. Implements java.nio.channels.NetworkChannel.getLocalAddress. Returns the socket address that this channel's socket is bound to.
public <T> T	getOption(SocketOption<T> name) Implements java.nio.channels.NetworkChannel.getOption. Returns the value of a socket option.
public SocketAddress	getRemoteAddress() Implements abstract java.nio.channels.SocketChannel.getRemoteAddress. Returns the remote address to which this channel's socket is connected.
private void	implCloseBlockingMode() Closes this channel when configured in blocking mode.
private void	implCloseNonBlockingMode() Closes this channel when configured in non-blocking mode.
protected void	implCloseSelectableChannel() Implements abstract java.nio.channels.spi.AbstractSelectableChannel.implCloseSelectableChannel. Invoked by implCloseChannel to close the channel.
protected void	implConfigureBlocking(boolean block) Implements abstract java.nio.channels.spi.AbstractSelectableChannel.implConfigureBlocking. Adjusts this channel's blocking mode.
private int	implRead(ByteBuffer buf)
private long	implRead(ByteBuffer[] dsts, int offset, int length)
private int	implWrite(ByteBuffer buf)
private long	implWrite(ByteBuffer[] srcs, int offset, int length)
public boolean	isConnected() Implements abstract java.nio.channels.SocketChannel.isConnected. Tells whether or not this channel's network socket is connected.
public boolean	isConnectionPending() Implements abstract java.nio.channels.SocketChannel.isConnectionPending. Tells whether or not a connection operation is in progress on this channel.
pack-priv boolean	isInputOpen()
pack-priv boolean	isNetSocket() Returns true if this channel is to a INET or INET6 socket.
pack-priv boolean	isOutputOpen()
pack-priv boolean	isUnixSocket() Returns true if this channel is to a UNIX socket.
public void	kill() Implements sun.nio.ch.SelChImpl.kill.
pack-priv SocketAddress	localAddress() Returns the local address, or null if not bound
private void	lockedConfigureBlocking(boolean block) Adjust the blocking mode while holding readLock or writeLock.
private SocketAddress	netBind(SocketAddress local)
public int	read(ByteBuffer buf) Implements abstract java.nio.channels.SocketChannel.read. Implements java.nio.channels.ReadableByteChannel.read. Reads a sequence of bytes from this channel into the given buffer.
public long	read(ByteBuffer[] dsts, int offset, int length) Implements abstract java.nio.channels.SocketChannel.read. Implements java.nio.channels.ScatteringByteChannel.read. Reads a sequence of bytes from this channel into a subsequence of the given buffers.
pack-priv SocketAddress	remoteAddress() Returns the remote address, or null if not connected
pack-priv int	sendOutOfBandData(byte b) Writes a byte of out of band data.
public <T> SocketChannel	setOption(SocketOption<T> name, T value) Implements abstract java.nio.channels.SocketChannel.setOption. Implements java.nio.channels.NetworkChannel.setOption. Sets the value of a socket option.
public SocketChannel	shutdownInput() Implements abstract java.nio.channels.SocketChannel.shutdownInput. Shutdown the connection for reading without closing the channel.
public SocketChannel	shutdownOutput() Implements abstract java.nio.channels.SocketChannel.shutdownOutput. Shutdown the connection for writing without closing the channel.
public Socket	socket() Implements abstract java.nio.channels.SocketChannel.socket. Retrieves a socket associated with this channel.
public final Set<SocketOption<?>>	supportedOptions() Implements java.nio.channels.NetworkChannel.supportedOptions. Returns a set of the socket options supported by this channel.
private void	throwConnectionReset()
private int	timedRead(byte[] b, int off, int len, long nanos) Reads bytes from the socket into the given byte array with a timeout.
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.
public boolean	translateAndSetReadyOps(int ops, SelectionKeyImpl ski) Implements sun.nio.ch.SelChImpl.translateAndSetReadyOps. Sets the specified ops if present in interestOps.
public boolean	translateAndUpdateReadyOps(int ops, SelectionKeyImpl ski) Implements sun.nio.ch.SelChImpl.translateAndUpdateReadyOps. Adds the specified ops if present in interestOps.
public int	translateInterestOps(int ops) Implements sun.nio.ch.SelChImpl.translateInterestOps. Translates an interest operation set into a native poll event set
public boolean	translateReadyOps(int ops, int initialOps, SelectionKeyImpl ski) Translates native poll revent ops into a ready operation ops
private boolean	tryClose() Closes the socket if there are no I/O operations in progress (or no I/O operations tracked), and the channel is not registered with a Selector.
private void	tryFinishClose() Invokes tryClose to attempt to close the socket.
private boolean	Returns: `true` if the blocking mode was adjusted tryLockedConfigureBlocking(boolean block) Attempts to adjust the blocking mode if the channel is open.
private int	tryRead(byte[] b, int off, int len) Attempts to read bytes from the socket into the given byte array.
private int	tryWrite(byte[] b, int off, int len) Attempts to write a sequence of bytes to the socket from the given byte array.
private SocketAddress	unixBind(SocketAddress local)
public int	write(ByteBuffer buf) Implements abstract java.nio.channels.SocketChannel.write. Implements java.nio.channels.WritableByteChannel.write. Writes a sequence of bytes to this channel from the given buffer.
public long	write(ByteBuffer[] srcs, int offset, int length) Implements abstract java.nio.channels.SocketChannel.write. Implements java.nio.channels.GatheringByteChannel.write. Writes a sequence of bytes to this channel from a subsequence of the given buffers.

Inherited from java.nio.channels.SocketChannel:: open open open read validOps write

pack-priv Class SocketChannelImpl

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary