emmanuel/gclc-core
emmanuel/gclc-core
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Corrections on the socket closing.

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Signed-off-by: Emmanuel Bigeon <emmanuel@bigeon.fr>
This commit is contained in:
Emmanuel Bigeon 2016-12-03 16:47:26 -05:00
parent d07795cb6a
commit efa492570e
4 changed files with 195 additions and 31 deletions
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40
gclc-socket/src/main/java/fr/bigeon/gclc/socket/SocketConsoleApplicationShell.java
View File

@ -35,12 +35,9 @@
package fr.bigeon.gclc.socket;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
@ -72,7 +69,7 @@ import fr.bigeon.gclc.manager.ReadingRunnable;
* end of the execution.
*
* @author Emmanuel Bigeon */
public class SocketConsoleApplicationShell implements Runnable {
public class SocketConsoleApplicationShell implements Runnable, AutoCloseable {
/** The runnable to forward output of application to socket.
*
@ -126,8 +123,6 @@ public class SocketConsoleApplicationShell implements Runnable {
protected static final long ONE_TENTH_OF_SECOND = 100;
/** The listening port */
private final int port;
/** The input */
private final PipedInputStream consoleInput = new PipedInputStream();
/** The application */
private ConsoleApplication app;
/** The session closing command */
@ -195,18 +190,8 @@ public class SocketConsoleApplicationShell implements Runnable {
this.serverSocket = actualServerSocket;
running = true;
// Create the streams
try (PipedOutputStream outStream = new PipedOutputStream();
BufferedWriter writer = new BufferedWriter(
new OutputStreamWriter(outStream, charset));
InputStreamReader isr = new InputStreamReader(consoleInput,
charset);
BufferedReader inBuf = new BufferedReader(isr)) {
consoleInput.connect(outStream);
runSokectServer();
}
} catch (
final IOException e) {
} catch (final IOException e) {
LOGGER.log(Level.SEVERE,
"Communication error between client and server", e); //$NON-NLS-1$
}
@ -218,7 +203,7 @@ public class SocketConsoleApplicationShell implements Runnable {
Thread appThNext = new Thread(runnable, "gclc-ctrl"); //$NON-NLS-1$
appThNext.start();
while (running) {
LOGGER.info("Opening client"); //$NON-NLS-1$
LOGGER.info("Waiting client"); //$NON-NLS-1$
try (Socket clientSocket = serverSocket.accept();
PrintWriter out = new PrintWriter(new OutputStreamWriter(
clientSocket.getOutputStream(), charset), true);
@ -227,6 +212,7 @@ public class SocketConsoleApplicationShell implements Runnable {
BufferedReader in = new BufferedReader(isr);) {
// this is not threaded to avoid several clients at the same
// time
LOGGER.info("Opening client"); //$NON-NLS-1$
// Initiate application
if (!runnable.isApplicationRunning()) {
@ -248,7 +234,8 @@ public class SocketConsoleApplicationShell implements Runnable {
}
runnable.setRunning(false);
consoleManager.type(applicationShutdown);
LOGGER.info("Out client"); //$NON-NLS-1$
consoleManager.close();
LOGGER.info("Closing Server"); //$NON-NLS-1$
}
/** @param runnable the runnable */
@ -279,6 +266,7 @@ public class SocketConsoleApplicationShell implements Runnable {
communicateOnce(socket, in);
} else {
communicateLoop(socket, in);
}
}
@ -315,16 +303,23 @@ public class SocketConsoleApplicationShell implements Runnable {
* @return if the communication should be stopped.
* @throws IOException if the reading failed */
private boolean communicationContent(ReadingRunnable reading) throws IOException {
try {
while (app.isRunning() && !reading.hasMessage()) {
synchronized (this) {
waitASec();
}
}
} catch (IOException e) {
LOGGER.warning("Client seems dead. Closing communication"); //$NON-NLS-1$
LOGGER.log(Level.FINE, "Wait on message from client failed", e); //$NON-NLS-1$
return false;
}
if (!app.isRunning()) {
return false;
}
String ln = reading.getMessage();
if (ln.equals(close)) {
consoleManager.println("Bye.");
return false;
}
// Pass command to application
@ -368,4 +363,11 @@ public class SocketConsoleApplicationShell implements Runnable {
return;
}
}
/* (non-Javadoc)
* @see java.lang.AutoCloseable#close() */
@Override
public void close() throws Exception {
consoleManager.close();
}
}

12
gclc-socket/src/test/java/fr/bigeon/gclc/socket/SocketConsoleApplicationTest.java
View File

@ -94,8 +94,7 @@ public class SocketConsoleApplicationTest {
}
while (fromServer != null && !fromServer.equals("> ")) {
fromServer = in.readLine();
System.out
.println("Server: \n" + fromServer);
LOGGER.fine("Server: \n" + fromServer);
}
if (fromServer == null) {
fail("Null pointer");
@ -126,8 +125,7 @@ public class SocketConsoleApplicationTest {
while ((fromServer = in.readLine()) != null) {
LOGGER.fine("Server: \n" + fromServer);
while (fromServer != null && !fromServer.equals("> ")) {
System.out
.println("Server: \n" + fromServer);
LOGGER.fine("Server: \n" + fromServer);
fromServer = in.readLine();
}
if (fromServer == null) {
@ -165,8 +163,7 @@ public class SocketConsoleApplicationTest {
while ((fromServer = in.readLine()) != null) {
while (fromServer != null && !fromServer.equals("> ")) {
fromServer = in.readLine();
System.out
.println("Server: \n" + fromServer);
LOGGER.fine("Server: \n" + fromServer);
}
if (fromServer == null) {
break;
@ -214,8 +211,7 @@ public class SocketConsoleApplicationTest {
while (fromServer != null && !fromServer.equals("> ") &&
!fromServer.equals("See you")) {
fromServer = in.readLine();
System.out
.println("Server: \n" + fromServer);
LOGGER.fine("Server: \n" + fromServer);
}
if (fromServer == null || fromServer.equals("Bye.") ||
fromServer.equals("See you")) {

34
gclc/src/main/java/fr/bigeon/gclc/tools/AOutputForwardRunnable.java
View File

@ -1,3 +1,37 @@
/*
* Copyright Bigeon Emmanuel (2014)
*
* emmanuel@bigeon.fr
*
* This software is a computer program whose purpose is to
* provide a generic framework for console applications.
*
* This software is governed by the CeCILL license under French law and
* abiding by the rules of distribution of free software. You can use,
* modify and/or redistribute the software under the terms of the CeCILL
* license as circulated by CEA, CNRS and INRIA at the following URL
* "http://www.cecill.info".
*
* As a counterpart to the access to the source code and rights to copy,
* modify and redistribute granted by the license, users are provided only
* with a limited warranty and the software's author, the holder of the
* economic rights, and the successive licensors have only limited
* liability.
*
* In this respect, the user's attention is drawn to the risks associated
* with loading, using, modifying and/or developing or reproducing the
* software by the user in light of its specific status of free software,
* that may mean that it is complicated to manipulate, and that also
* therefore means that it is reserved for developers and experienced
* professionals having in-depth computer knowledge. Users are therefore
* encouraged to load and test the software's suitability as regards their
* requirements in conditions enabling the security of their systems and/or
* data to be ensured and, more generally, to use and operate it in the
* same conditions as regards security.
*
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL license and that you accept its terms.
*/
/**
* gclc:fr.bigeon.gclc.tools.AOutputForwardRunnable.java
* Created on: Dec 1, 2016

132
gclc/src/test/java/fr/bigeon/gclc/tools/AOutputForwardRunnableTest.java Normal file
View File

@ -0,0 +1,132 @@
/*
* Copyright Bigeon Emmanuel (2014)
*
* emmanuel@bigeon.fr
*
* This software is a computer program whose purpose is to
* provide a generic framework for console applications.
*
* This software is governed by the CeCILL license under French law and
* abiding by the rules of distribution of free software. You can use,
* modify and/or redistribute the software under the terms of the CeCILL
* license as circulated by CEA, CNRS and INRIA at the following URL
* "http://www.cecill.info".
*
* As a counterpart to the access to the source code and rights to copy,
* modify and redistribute granted by the license, users are provided only
* with a limited warranty and the software's author, the holder of the
* economic rights, and the successive licensors have only limited
* liability.
*
* In this respect, the user's attention is drawn to the risks associated
* with loading, using, modifying and/or developing or reproducing the
* software by the user in light of its specific status of free software,
* that may mean that it is complicated to manipulate, and that also
* therefore means that it is reserved for developers and experienced
* professionals having in-depth computer knowledge. Users are therefore
* encouraged to load and test the software's suitability as regards their
* requirements in conditions enabling the security of their systems and/or
* data to be ensured and, more generally, to use and operate it in the
* same conditions as regards security.
*
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL license and that you accept its terms.
*/
/**
* gclc:fr.bigeon.gclc.tools.AOutputForwardRunnableTest.java
* Created on: Dec 3, 2016
*/
package fr.bigeon.gclc.tools;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import org.junit.Test;
import fr.bigeon.gclc.manager.PipedConsoleManager;
/** <p>
* TODO
*
* @author Emmanuel Bigeon */
public class AOutputForwardRunnableTest {
/** <p>
* TODO
*
* @author Emmanuel Bigeon */
private final class AOutputForwardTestRunnable
extends AOutputForwardRunnable {
private int count = 1;
private String message;
/** @param manager */
private AOutputForwardTestRunnable(PipedConsoleManager manager) {
super(manager);
}
@Override
protected boolean isRunning() {
return count != 0;
}
@Override
protected void forwardLine(String m) {
// Do nothing
message = m;
synchronized (this) {
notify();
try {
wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
/** @return the message */
public String getMessage() {
if (message == null) {
synchronized (this) {
try {
wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
String m = message;
count--;
message = null;
synchronized (this) {
notify();
}
return m;
}
}
/** Test method for
* {@link fr.bigeon.gclc.tools.AOutputForwardRunnable#run()}. */
@Test
public final void testRun() {
try (PipedConsoleManager manager = new PipedConsoleManager()) {
AOutputForwardTestRunnable runnable = new AOutputForwardTestRunnable(
manager);
Thread th = new Thread(runnable, "forward");
th.start();
manager.println("before");
assertEquals("before", runnable.getMessage());
th.join();
} catch (IOException | InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}