package io.undertow.server.handlers.accesslog;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.testutils.DefaultServer;
import io.undertow.util.CompletionLatchHandler;
import io.undertow.util.FileUtils;
import io.undertow.testutils.HttpClientUtils;
import io.undertow.testutils.TestHttpClient;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Tests writing the access log to a file
*
* @author Stuart Douglas
*/
@RunWith(DefaultServer.class)
public class AccessLogFileTestCase {
private static final File logDirectory = new File(System.getProperty("java.io.tmpdir") + "/logs");
private static final int NUM_THREADS = 10;
private static final int NUM_REQUESTS = 12;
@Before
public void before() {
logDirectory.mkdirs();
}
@After
public void after() {
FileUtils.deleteRecursive(logDirectory);
}
private static final HttpHandler HELLO_HANDLER = new HttpHandler() {
@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
exchange.getResponseSender().send("Hello");
}
};
@Test
public void testSingleLogMessageToFile() throws IOException, InterruptedException {
File directory = logDirectory;
File logFileName = new File(directory, "server1.log");
DefaultAccessLogReceiver logReceiver = new DefaultAccessLogReceiver(DefaultServer.getWorker(), directory, "server1");
verifySingleLogMessageToFile(logFileName, logReceiver);
}
@Test
public void testSingleLogMessageToFileWithSuffix() throws IOException, InterruptedException {
File directory = logDirectory;
File logFileName = new File(directory, "server1.logsuffix");
DefaultAccessLogReceiver logReceiver = new DefaultAccessLogReceiver(DefaultServer.getWorker(), directory, "server1", ".logsuffix");
verifySingleLogMessageToFile(logFileName, logReceiver);
}
private void verifySingleLogMessageToFile(File logFileName, DefaultAccessLogReceiver logReceiver) throws IOException, InterruptedException {
CompletionLatchHandler latchHandler;
DefaultServer.setRootHandler(latchHandler = new CompletionLatchHandler(new AccessLogHandler(HELLO_HANDLER, logReceiver, "Remote address %a Code %s test-header %{i,test-header} %{i,non-existent}", AccessLogFileTestCase.class.getClassLoader())));
TestHttpClient client = new TestHttpClient();
try {
HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path");
get.addHeader("test-header", "single-val");
HttpResponse result = client.execute(get);
Assert.assertEquals(200, result.getStatusLine().getStatusCode());
Assert.assertEquals("Hello", HttpClientUtils.readResponse(result));
latchHandler.await();
logReceiver.awaitWrittenForTest();
Assert.assertEquals("Remote address 127.0.0.1 Code 200 test-header single-val -\n", FileUtils.readFile(logFileName));
} finally {
client.getConnectionManager().shutdown();
}
}
@Test
public void testLogLotsOfThreads() throws IOException, InterruptedException, ExecutionException {
File directory = logDirectory;
File logFileName = new File(directory, "server2.log");
DefaultAccessLogReceiver logReceiver = new DefaultAccessLogReceiver(DefaultServer.getWorker(), directory, "server2");
CompletionLatchHandler latchHandler;
DefaultServer.setRootHandler(latchHandler = new CompletionLatchHandler(NUM_REQUESTS * NUM_THREADS, new AccessLogHandler(HELLO_HANDLER, logReceiver, "REQ %{i,test-header}", AccessLogFileTestCase.class.getClassLoader())));
ExecutorService executor = Executors.newFixedThreadPool(NUM_THREADS);
try {
final List<Future<?>> futures = new ArrayList<Future<?>>();
for (int i = 0; i < NUM_THREADS; ++i) {
final int threadNo = i;
futures.add(executor.submit(new Runnable() {
@Override
public void run() {
TestHttpClient client = new TestHttpClient();
try {
for (int i = 0; i < NUM_REQUESTS; ++i) {
HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path");
get.addHeader("test-header", "thread-" + threadNo + "-request-" + i);
HttpResponse result = client.execute(get);
Assert.assertEquals(200, result.getStatusLine().getStatusCode());
final String response = HttpClientUtils.readResponse(result);
Assert.assertEquals("Hello", response);
}
} catch (IOException e) {
throw new RuntimeException(e);
} finally {
client.getConnectionManager().shutdown();
}
}
}));
}
for (Future<?> future : futures) {
future.get();
}
} finally {
executor.shutdown();
}
latchHandler.await();
logReceiver.awaitWrittenForTest();
String completeLog = FileUtils.readFile(logFileName);
for (int i = 0; i < NUM_THREADS; ++i) {
for (int j = 0; j < NUM_REQUESTS; ++j) {
Assert.assertTrue(completeLog.contains("REQ thread-" + i + "-request-" + j));
}
}
}
@Test
public void testForcedLogRotation() throws IOException, InterruptedException {
File logFileName = new File(logDirectory, "server.log");
DefaultAccessLogReceiver logReceiver = new DefaultAccessLogReceiver(DefaultServer.getWorker(), logDirectory, "server");
CompletionLatchHandler latchHandler;
DefaultServer.setRootHandler(latchHandler = new CompletionLatchHandler(new AccessLogHandler(HELLO_HANDLER, logReceiver, "Remote address %a Code %s test-header %{i,test-header}", AccessLogFileTestCase.class.getClassLoader())));
TestHttpClient client = new TestHttpClient();
try {
HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path");
get.addHeader("test-header", "v1");
HttpResponse result = client.execute(get);
Assert.assertEquals(200, result.getStatusLine().getStatusCode());
Assert.assertEquals("Hello", HttpClientUtils.readResponse(result));
latchHandler.await();
latchHandler.reset();
logReceiver.awaitWrittenForTest();
Assert.assertEquals("Remote address 127.0.0.1 Code 200 test-header v1\n", FileUtils.readFile(logFileName));
logReceiver.rotate();
logReceiver.awaitWrittenForTest();
Assert.assertFalse(logFileName.exists());
File firstLogRotate = new File(logDirectory, "server_" + new SimpleDateFormat("yyyy-MM-dd").format(new Date()) + ".log");
Assert.assertEquals("Remote address 127.0.0.1 Code 200 test-header v1\n", FileUtils.readFile(firstLogRotate));
get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path");
get.addHeader("test-header", "v2");
result = client.execute(get);
Assert.assertEquals(200, result.getStatusLine().getStatusCode());
Assert.assertEquals("Hello", HttpClientUtils.readResponse(result));
latchHandler.await();
latchHandler.reset();
logReceiver.awaitWrittenForTest();
Assert.assertEquals("Remote address 127.0.0.1 Code 200 test-header v2\n", FileUtils.readFile(logFileName));
logReceiver.rotate();
logReceiver.awaitWrittenForTest();
Assert.assertFalse(logFileName.exists());
File secondLogRotate = new File(logDirectory, "server_" + new SimpleDateFormat("yyyy-MM-dd").format(new Date()) + "-1.log");
Assert.assertEquals("Remote address 127.0.0.1 Code 200 test-header v2\n", FileUtils.readFile(secondLogRotate));
} finally {
client.getConnectionManager().shutdown();
}
}
}