/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.undertow.server.handlers;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.server.ServerConnection;
import io.undertow.server.protocol.http.HttpAttachments;
import io.undertow.testutils.DefaultServer;
import io.undertow.testutils.HttpOneOnly;
import io.undertow.testutils.HttpClientUtils;
import io.undertow.testutils.TestHttpClient;
import io.undertow.util.Headers;
import io.undertow.util.StatusCodes;
import io.undertow.util.StringWriteChannelListener;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.io.IOException;
import java.io.OutputStream;
/**
* @author Stuart Douglas
*/
@RunWith(DefaultServer.class)
@HttpOneOnly
public class PreChunkedResponseTransferCodingTestCase {
private static final String MESSAGE = "My HTTP Request!";
private static volatile String message;
private static volatile String chunkedMessage;
private static volatile ServerConnection connection;
@BeforeClass
public static void setup() {
final BlockingHandler blockingHandler = new BlockingHandler();
DefaultServer.setRootHandler(blockingHandler);
blockingHandler.setRootHandler(new HttpHandler() {
@Override
public void handleRequest(final HttpServerExchange exchange) {
try {
if(connection == null) {
connection = exchange.getConnection();
} else if(!DefaultServer.isAjp() && !DefaultServer.isProxy() && connection != exchange.getConnection()){
final OutputStream outputStream = exchange.getOutputStream();
outputStream.write("Connection not persistent".getBytes());
outputStream.close();
return;
}
exchange.getResponseHeaders().put(Headers.TRANSFER_ENCODING, Headers.CHUNKED.toString());
exchange.putAttachment(HttpAttachments.PRE_CHUNKED_RESPONSE, true);
new StringWriteChannelListener(chunkedMessage).setup(exchange.getResponseChannel());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
});
}
@Test
public void sendHttpRequest() throws IOException {
connection = null;
HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path");
TestHttpClient client = new TestHttpClient();
try {
generateMessage(0);
HttpResponse result = client.execute(get);
Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
Assert.assertEquals(message, HttpClientUtils.readResponse(result));
generateMessage(1);
result = client.execute(get);
Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
Assert.assertEquals(message, HttpClientUtils.readResponse(result));
generateMessage(1000);
result = client.execute(get);
Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
Assert.assertEquals(message, HttpClientUtils.readResponse(result));
} finally {
client.getConnectionManager().shutdown();
}
}
private static void generateMessage(int repetitions) {
final StringBuilder builder = new StringBuilder(repetitions * MESSAGE.length());
final StringBuilder chunkedBuilder = new StringBuilder(repetitions * MESSAGE.length());
for (int i = 0; i < repetitions; ++i) {
builder.append(MESSAGE);
chunkedBuilder.append(Integer.toHexString(MESSAGE.length()));
chunkedBuilder.append("\r\n");
chunkedBuilder.append(MESSAGE);
chunkedBuilder.append("\r\n");
}
chunkedBuilder.append("0\r\n\r\n");
message = builder.toString();
chunkedMessage = chunkedBuilder.toString();
}
}