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JDK 1.1 Source Code Directory
JDK 1.1 source code directory contains Java source code for JDK 1.1 core classes:
"C:\fyicenter\jdk-1.1.8\src".
Here is the list of Java classes of the JDK 1.1 source code:
✍: FYIcenter
⏎ java/net/PlainDatagramSocketImpl.java
/* * @(#)PlainDatagramSocketImpl.java 1.11 01/12/10 * * Copyright 2002 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ package java.net; import java.io.FileDescriptor; import java.io.IOException; import java.io.InterruptedIOException; /** * Concrete datagram and multicast socket implementation base class. * Note: This is not a public class, so that applets cannot call * into the implementation directly and hence cannot bypass the * security checks present in the DatagramSocket and MulticastSocket * classes. * * @author Pavani Diwanji */ class PlainDatagramSocketImpl extends DatagramSocketImpl { /* timeout value for receive() */ private int timeout = 0; /** * Load net library into runtime. */ static { System.loadLibrary("net"); } /** * Creates a datagram socket */ protected synchronized void create() throws SocketException { fd = new FileDescriptor(); datagramSocketCreate(); } /** * Binds a datagram socket to a local port. */ protected synchronized native 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 packet to be sent. */ protected native void send(DatagramPacket p) throws IOException; /** * Peek at the packet to see who it is from. * @param return the address which the packet came from. */ protected synchronized native int peek(InetAddress i) throws IOException; /** * Receive the datagram packet. * @param Packet Received. */ protected synchronized native void receive(DatagramPacket p) throws IOException; /** * Set the TTL (time-to-live) option. * @param TTL to be set. */ protected native void setTTL(byte ttl) throws IOException; /** * Get the TTL (time-to-live) option. */ protected native byte getTTL() throws IOException; /** * Join the multicast group. * @param multicast address to join. */ protected native void join(InetAddress inetaddr) throws IOException; /** * Leave the multicast group. * @param multicast address to leave. */ protected native void leave(InetAddress inetaddr) throws IOException; /** * Close the socket. */ protected void close() { if (fd != null) { datagramSocketClose(); fd = null; } } protected synchronized void finalize() { close(); } /** * set a value - since we only support (setting) binary options * here, o must be a Boolean */ public void setOption(int optID, Object o) throws SocketException { switch (optID) { /* check type safety b4 going native. These should never * fail, since only java.Socket* has access to * PlainSocketImpl.setOption(). */ case SO_TIMEOUT: if (o == null || !(o instanceof Integer)) { throw new SocketException("bad argument for SO_TIMEOUT"); } int tmp = ((Integer) o).intValue(); if (tmp < 0) throw new IllegalArgumentException("timeout < 0"); timeout = tmp; return; case SO_BINDADDR: throw new SocketException("Cannot re-bind Socket"); case SO_REUSEADDR: if (o == null || !(o instanceof Integer)) { throw new SocketException("bad argument for SO_REUSEADDR"); } break; case IP_MULTICAST_IF: if (o == null || !(o instanceof InetAddress)) throw new SocketException("bad argument for IP_MULTICAST_IF"); break; default: throw new SocketException("invalid option: " + optID); } socketSetOption(optID, o); } /* * get option's state - set or not */ public Object getOption(int optID) throws SocketException { if (optID == SO_TIMEOUT) { return new Integer(timeout); } int ret = socketGetOption(optID); if (optID == SO_BINDADDR || optID == IP_MULTICAST_IF) { InetAddress in = new InetAddress(); in.address = ret; return in; } else { return null; } } private native void datagramSocketCreate() throws SocketException; private native void datagramSocketClose(); private native void socketSetOption(int opt, Object val) throws SocketException; private native int socketGetOption(int opt) throws SocketException; }
⏎ java/net/PlainDatagramSocketImpl.java
⇒ Backup JDK 1.1 Installation Directory
2018-11-17, 39230👍, 0💬
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