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JDK 17 java.base.jmod - Base Module
JDK 17 java.base.jmod is the JMOD file for JDK 17 Base module.
JDK 17 Base module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.base.jmod.
JDK 17 Base module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 Base module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.base.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ java/net/DatagramSocketImpl.java
/* * Copyright (c) 1996, 2020, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.net; import java.io.FileDescriptor; import java.io.IOException; import java.util.Objects; import java.util.Set; /** * Abstract datagram and multicast socket implementation base class. * * @implNote Sockets created with the {@code DatagramSocket} and {@code * MulticastSocket} public constructors historically delegated all socket * operations to a {@code DatagramSocketImpl} implementation named * "PlainDatagramSocketImpl". {@code DatagramSocket} and {@code MulticastSocket} * have since been changed to a new implementation based on {@code DatagramChannel}. * The JDK continues to ship with the older implementation to allow code to run * that depends on unspecified behavior that differs between the old and new * implementations. The old implementation will be used if the Java virtual * machine is started with the system property {@systemProperty * jdk.net.usePlainDatagramSocketImpl} set to use the old implementation. It may * also be set in the JDK's network configuration file, located in {@code * ${java.home}/conf/net.properties}. The value of the property is the string * representation of a boolean. If set without a value then it defaults to {@code * true}, hence running with {@code -Djdk.net.usePlainDatagramSocketImpl} or * {@code -Djdk.net.usePlainDatagramSocketImpl=true} will configure the Java * virtual machine to use the old implementation. The property and old * implementation will be removed in a future version. * * @author Pavani Diwanji * @since 1.1 */ public abstract class DatagramSocketImpl implements SocketOptions { /** * Constructor for subclasses to call. */ public DatagramSocketImpl() {} /** * The local port number. */ protected int localPort; /** * The file descriptor object. */ protected FileDescriptor fd; int dataAvailable() { // default impl returns zero, which disables the calling // functionality return 0; } /** * Creates a datagram socket. * @throws SocketException if there is an error in the * underlying protocol, such as a TCP error. */ protected abstract void create() throws SocketException; /** * Binds a datagram socket to a local port and address. * @param lport the local port * @param laddr the local address * @throws SocketException if there is an error in the * underlying protocol, such as a TCP error. */ protected abstract void bind(int lport, InetAddress laddr) throws SocketException; /** * Sends a datagram packet. The packet contains the data and the * destination address to send the packet to. * @param p the packet to be sent. * @throws IOException if an I/O exception occurs while sending the * datagram packet. * @throws PortUnreachableException may be thrown if the socket is connected * to a currently unreachable destination. Note, there is no guarantee that * the exception will be thrown. */ protected abstract void send(DatagramPacket p) throws IOException; /** * Connects a datagram socket to a remote destination. This associates the remote * address with the local socket so that datagrams may only be sent to this destination * and received from this destination. This may be overridden to call a native * system connect. * * <p>If the remote destination to which the socket is connected does not * exist, or is otherwise unreachable, and if an ICMP destination unreachable * packet has been received for that address, then a subsequent call to * send or receive may throw a PortUnreachableException. * Note, there is no guarantee that the exception will be thrown. * @param address the remote InetAddress to connect to * @param port the remote port number * @throws SocketException may be thrown if the socket cannot be * connected to the remote destination * @since 1.4 */ protected void connect(InetAddress address, int port) throws SocketException {} /** * Disconnects a datagram socket from its remote destination. * @since 1.4 */ protected void disconnect() {} /** * Peek at the packet to see who it is from. Updates the specified {@code InetAddress} * to the address which the packet came from. * @param i an InetAddress object * @return the port number which the packet came from. * @throws IOException if an I/O exception occurs * @throws PortUnreachableException may be thrown if the socket is connected * to a currently unreachable destination. Note, there is no guarantee that the * exception will be thrown. */ protected abstract int peek(InetAddress i) throws IOException; /** * Peek at the packet to see who it is from. The data is copied into the specified * {@code DatagramPacket}. The data is returned, * but not consumed, so that a subsequent peekData/receive operation * will see the same data. * @param p the Packet Received. * @return the port number which the packet came from. * @throws IOException if an I/O exception occurs * @throws PortUnreachableException may be thrown if the socket is connected * to a currently unreachable destination. Note, there is no guarantee that the * exception will be thrown. * @since 1.4 */ protected abstract int peekData(DatagramPacket p) throws IOException; /** * Receive the datagram packet. * @param p the Packet Received. * @throws IOException if an I/O exception occurs * while receiving the datagram packet. * @throws PortUnreachableException may be thrown if the socket is connected * to a currently unreachable destination. Note, there is no guarantee that the * exception will be thrown. */ protected abstract void receive(DatagramPacket p) throws IOException; /** * Set the TTL (time-to-live) option. * @param ttl a byte specifying the TTL value * * @deprecated use setTimeToLive instead. * @throws IOException if an I/O exception occurs while setting * the time-to-live option. * @see #getTTL() */ @Deprecated protected abstract void setTTL(byte ttl) throws IOException; /** * Retrieve the TTL (time-to-live) option. * * @throws IOException if an I/O exception occurs * while retrieving the time-to-live option * @deprecated use getTimeToLive instead. * @return a byte representing the TTL value * @see #setTTL(byte) */ @Deprecated protected abstract byte getTTL() throws IOException; /** * Set the TTL (time-to-live) option. * @param ttl an {@code int} specifying the time-to-live value * @throws IOException if an I/O exception occurs * while setting the time-to-live option. * @see #getTimeToLive() */ protected abstract void setTimeToLive(int ttl) throws IOException; /** * Retrieve the TTL (time-to-live) option. * @throws IOException if an I/O exception occurs * while retrieving the time-to-live option * @return an {@code int} representing the time-to-live value * @see #setTimeToLive(int) */ protected abstract int getTimeToLive() throws IOException; /** * Join the multicast group. * @param inetaddr multicast address to join. * @throws IOException if an I/O exception occurs * while joining the multicast group. */ protected abstract void join(InetAddress inetaddr) throws IOException; /** * Leave the multicast group. * @param inetaddr multicast address to leave. * @throws IOException if an I/O exception occurs * while leaving the multicast group. */ protected abstract void leave(InetAddress inetaddr) throws IOException; /** * Join the multicast group. * @param mcastaddr address to join. * @param netIf specifies the local interface to receive multicast * datagram packets * @throws IOException if an I/O exception occurs while joining * the multicast group * @since 1.4 */ protected abstract void joinGroup(SocketAddress mcastaddr, NetworkInterface netIf) throws IOException; /** * Leave the multicast group. * @param mcastaddr address to leave. * @param netIf specified the local interface to leave the group at * @throws IOException if an I/O exception occurs while leaving * the multicast group * @since 1.4 */ protected abstract void leaveGroup(SocketAddress mcastaddr, NetworkInterface netIf) throws IOException; /** * Close the socket. */ protected abstract void close(); /** * Gets the local port. * @return an {@code int} representing the local port value */ protected int getLocalPort() { return localPort; } /** * Gets the datagram socket file descriptor. * @return a {@code FileDescriptor} object representing the datagram socket * file descriptor */ protected FileDescriptor getFileDescriptor() { return fd; } /** * Called to set a socket option. * * @implSpec * The default implementation of this method first checks that the given * socket option {@code name} is not null, then throws {@code * UnsupportedOperationException}. Subclasses should override this method * with an appropriate implementation. * * @param <T> The type of the socket option value * @param name The socket option * @param value The value of the socket option. A value of {@code null} * may be valid for some options. * * @throws UnsupportedOperationException if the DatagramSocketImpl does not * support the option * @throws IllegalArgumentException if the value is not valid for * the option * @throws IOException if an I/O error occurs, or if the socket is closed * @throws NullPointerException if name is {@code null} * * @since 9 */ protected <T> void setOption(SocketOption<T> name, T value) throws IOException { Objects.requireNonNull(name); throw new UnsupportedOperationException("'" + name + "' not supported"); } /** * Called to get a socket option. * * @implSpec * The default implementation of this method first checks that the given * socket option {@code name} is not null, then throws {@code * UnsupportedOperationException}. Subclasses should override this method * with an appropriate implementation. * * @param <T> The type of the socket option value * @param name The socket option * @return the socket option * * @throws UnsupportedOperationException if the DatagramSocketImpl does not * support the option * @throws IOException if an I/O error occurs, or if the socket is closed * @throws NullPointerException if name is {@code null} * * @since 9 */ protected <T> T getOption(SocketOption<T> name) throws IOException { Objects.requireNonNull(name); throw new UnsupportedOperationException("'" + name + "' not supported"); } /** * Returns a set of SocketOptions supported by this impl * and by this impl's socket (DatagramSocket or MulticastSocket) * * @implSpec * The default implementation of this method returns an empty set. * Subclasses should override this method with an appropriate implementation. * * @return a Set of SocketOptions * * @since 9 */ protected Set<SocketOption<?>> supportedOptions() { return Set.of(); } }
⏎ java/net/DatagramSocketImpl.java
Or download all of them as a single archive file:
File name: java.base-17.0.5-src.zip File size: 8883851 bytes Release date: 2022-09-13 Download
2023-09-26, 44420👍, 1💬
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