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JDK 17 java.rmi.jmod - RMI Module
JDK 17 java.rmi.jmod is the JMOD file for JDK 17 RMI (Remote Method Invocation) module.
JDK 17 RMI module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.rmi.jmod.
JDK 17 RMI module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 RMI module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.rmi.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ sun/rmi/transport/tcp/TCPConnection.java
/* * Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package sun.rmi.transport.tcp; import java.io.*; import java.net.Socket; import java.rmi.*; import sun.rmi.runtime.Log; import sun.rmi.transport.*; public class TCPConnection implements Connection { private Socket socket; private Channel channel; private InputStream in = null; private OutputStream out = null; private long expiration = Long.MAX_VALUE; private long lastuse = Long.MIN_VALUE; private long roundtrip = 5; // round-trip time for ping /** * Constructor used for creating a connection to accept call * (an input connection) */ TCPConnection(TCPChannel ch, Socket s, InputStream in, OutputStream out) { socket = s; channel = ch; this.in = in; this.out = out; } /** * Constructor used by subclass when underlying input and output streams * are already available. */ TCPConnection(TCPChannel ch, InputStream in, OutputStream out) { this(ch, null, in, out); } /** * Constructor used when socket is available, but not underlying * streams. */ TCPConnection(TCPChannel ch, Socket s) { this(ch, s, null, null); } /** * Gets the output stream for this connection */ public OutputStream getOutputStream() throws IOException { if (out == null) out = new BufferedOutputStream(socket.getOutputStream()); return out; } /** * Release the output stream for this connection. */ public void releaseOutputStream() throws IOException { if (out != null) out.flush(); } /** * Gets the input stream for this connection. */ public InputStream getInputStream() throws IOException { if (in == null) in = new BufferedInputStream(socket.getInputStream()); return in; } /** * Release the input stream for this connection. */ public void releaseInputStream() { } /** * Determine if this connection can be used for multiple operations. * If the socket implements RMISocketInfo, then we can query it about * this; otherwise, assume that it does provide a full-duplex * persistent connection like java.net.Socket. */ public boolean isReusable() { return true; } /** * Set the expiration time of this connection. * @param time The time at which the time out expires. */ void setExpiration(long time) { expiration = time; } /** * Set the timestamp at which this connection was last used successfully. * The connection will be pinged for liveness if reused long after * this time. * @param time The time at which the connection was last active. */ void setLastUseTime(long time) { lastuse = time; } /** * Returns true if the timeout has expired on this connection; * otherwise returns false. * @param time The current time. */ boolean expired(long time) { return expiration <= time; } /** * Probes the connection to see if it still alive and connected to * a responsive server. If the connection has been idle for too * long, the server is pinged. ``Too long'' means ``longer than the * last ping round-trip time''. * <P> * This method may misdiagnose a dead connection as live, but it * will never misdiagnose a live connection as dead. * @return true if the connection and server are recently alive */ public boolean isDead() { InputStream i; OutputStream o; // skip ping if recently used within 1 RTT long start = System.currentTimeMillis(); if ((roundtrip > 0) && (start < lastuse + roundtrip)) return (false); // still alive and warm // Get the streams try { i = getInputStream(); o = getOutputStream(); } catch (IOException e) { return (true); // can't even get a stream, must be very dead } // Write the ping byte and read the reply byte int response = 0; try { o.write(TransportConstants.Ping); o.flush(); response = i.read(); } catch (IOException ex) { TCPTransport.tcpLog.log(Log.VERBOSE, "exception: ", ex); TCPTransport.tcpLog.log(Log.BRIEF, "server ping failed"); return (true); // server failed the ping test } if (response == TransportConstants.PingAck) { // save most recent RTT for future use roundtrip = (System.currentTimeMillis() - start) * 2; // clock-correction may make roundtrip < 0; doesn't matter return (false); // it's alive and 5-by-5 } if (TCPTransport.tcpLog.isLoggable(Log.BRIEF)) { TCPTransport.tcpLog.log(Log.BRIEF, (response == -1 ? "server has been deactivated" : "server protocol error: ping response = " + response)); } return (true); } /** * Close the connection. */ public void close() throws IOException { if (TCPTransport.tcpLog.isLoggable(Log.BRIEF)) { TCPTransport.tcpLog.log(Log.BRIEF, "close connection, socket: " + socket); } if (socket != null) socket.close(); else { in.close(); out.close(); } } /** * Returns the channel for this connection. */ public Channel getChannel() { return channel; } }
⏎ sun/rmi/transport/tcp/TCPConnection.java
Or download all of them as a single archive file:
File name: java.rmi-17.0.5-src.zip File size: 220001 bytes Release date: 2022-09-13 Download
⇒ JDK 17 java.scripting.jmod - Scripting Module
2023-11-06, 9948👍, 0💬
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