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package com.sun.grizzly.http;
import com.sun.grizzly.Controller;
import com.sun.grizzly.http.utils.SelectorThreadUtils;
import com.sun.grizzly.tcp.StaticResourcesAdapter;
import junit.framework.Assert;
import junit.framework.TestCase;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class FileCacheTest extends TestCase {
private static final int PORT = 50000;
private List<SelectorThread> threads = new ArrayList<SelectorThread>();
private Set<InetAddress> addresses = new HashSet<InetAddress>();
/**
* Sets up the fixture, for example, open a network connection.
* This method is called before a test is executed.
*/
@Override
protected void setUp() throws Exception {
InetAddress local = InetAddress.getLocalHost();
addresses.add(local);
final Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
while(interfaces.hasMoreElements()) {
final Enumeration<InetAddress> inetAddresses = interfaces.nextElement().getInetAddresses();
while(inetAddresses.hasMoreElements()) {
final InetAddress address = inetAddresses.nextElement();
if(address instanceof Inet4Address && address.isReachable(2000)) {
addresses.add(address);
}
}
}
if (addresses.size() > 1) {
for (InetAddress address : addresses) {
threads.add(setUpThread(address)) ;
}
}
}
/**
* Tears down the fixture, for example, close a network connection.
* This method is called after a test is executed.
*/
@Override
protected void tearDown() throws Exception {
for (SelectorThread thread : threads) {
thread.stopEndpoint();
}
}
public void testCache() throws IOException {
int count = 100;
while (count-- > 0) {
for (SelectorThread thread : threads) {
checkContent(thread.getAddress());
}
}
}
private void checkContent(final InetAddress host) throws IOException {
final String address = host.getCanonicalHostName();
final URLConnection urlConnection = new URL("http://" + address + ":" + PORT).openConnection();
final String got = getContent(urlConnection);
final String expected = String.format("<html><body>You've found the %s server</body></html>", address);
Assert.assertEquals(got, expected);
}
protected String getContent(URLConnection connection) {
try {
InputStream inputStream = connection.getInputStream();
InputStreamReader reader = new InputStreamReader(inputStream);
try {
StringBuilder builder = new StringBuilder();
char[] buffer = new char[1024];
int read;
while ((read = reader.read(buffer)) != -1) {
builder.append(buffer, 0, read);
}
return builder.toString();
} finally {
if (reader != null) {
reader.close();
}
if (inputStream != null) {
inputStream.close();
}
}
} catch (IOException e) {
e.printStackTrace();
Assert.fail(e.getMessage());
}
return "";
}
private SelectorThread setUpThread(final InetAddress address) throws IOException {
final SelectorThread thread = new SelectorThread();
thread.setController(new Controller());
thread.setDisplayConfiguration(true);
thread.setAddress(address);
thread.setPort(PORT);
thread.setFileCacheIsEnabled(true);
setRootFolder(thread, address);
SelectorThreadUtils.startSelectorThread(thread);
return thread;
}
protected void setRootFolder(SelectorThread thread, InetAddress address) {
final String host = address.getCanonicalHostName();
final String path = System.getProperty("java.io.tmpdir", "/tmp") + "/filecachetest-" + host;
File dir = new File(path);
dir.mkdirs();
final StaticResourcesAdapter adapter = new StaticResourcesAdapter(path);
FileWriter writer;
try {
writer = new FileWriter(new File(dir, "index.html"));
try {
writer.write("<html><body>You've found the " + host + " server</body></html>");
writer.flush();
} finally {
if (writer != null) {
writer.close();
}
}
} catch (IOException e) {
Assert.fail(e.getMessage());
}
thread.setAdapter(adapter);
}
}