/*
* Copyright (c) xlightweb.org, 2008 - 2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Please refer to the LGPL license at: http://www.gnu.org/copyleft/lesser.txt
* The latest copy of this software may be found on http://www.xlightweb.org/
*/
package org.xlightweb;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.FileChannel.MapMode;
import java.util.concurrent.atomic.AtomicInteger;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.xlightweb.HttpResponse;
import org.xlightweb.IHttpExchange;
import org.xlightweb.IHttpRequestHandler;
import org.xlightweb.server.HttpServer;
import org.xlightweb.client.HttpClientConnection;
import org.xsocket.connection.IWriteCompletionHandler;
import org.xsocket.connection.IConnection.FlushMode;
/**
*
* @author grro@xlightweb.org
*/
public final class SendFileTest {
private File file;
@Before
public void setUp() {
file = QAUtil.createTestfile_4000k();
}
@After
public void tearDown() {
file.delete();
}
@Test
public void testSync() throws Exception {
SyncRequestHandler hdl = new SyncRequestHandler();
HttpServer server = new HttpServer(hdl);
server.start();
HttpClientConnection con = new HttpClientConnection("localhost", server.getLocalPort());
IHttpResponse response = con.call(new GetRequest("http://localhost:" + server.getLocalPort() + "/"));
con.suspendReceiving();
QAUtil.sleep(1000);
Assert.assertTrue(hdl.getWritten() < response.getContentLength());
con.resumeReceiving();
Assert.assertEquals(200, response.getStatus());
QAUtil.isEquals(file, response.getBody().readByteBuffer());
server.close();
}
@Test
public void testAsync() throws Exception {
AsyncRequestHandler hdl = new AsyncRequestHandler();
HttpServer server = new HttpServer(hdl);
server.start();
HttpClientConnection con = new HttpClientConnection("localhost", server.getLocalPort());
IHttpResponse response = con.call(new GetRequest("http://localhost:" + server.getLocalPort() + "/"));
con.suspendReceiving();
QAUtil.sleep(1000);
Assert.assertTrue(hdl.getWritten() < response.getContentLength());
con.resumeReceiving();
Assert.assertEquals(200, response.getStatus());
QAUtil.isEquals(file, response.getBody().readByteBuffer());
server.close();
}
@Test
public void testNative() throws Exception {
RequestHandler hdl = new RequestHandler();
HttpServer server = new HttpServer(hdl);
server.start();
HttpClientConnection con = new HttpClientConnection("localhost", server.getLocalPort());
IHttpResponse response = con.call(new GetRequest("http://localhost:" + server.getLocalPort() + "/"));
con.suspendReceiving();
QAUtil.sleep(1000);
System.out.println("available " + response.getNonBlockingBody().available());
Assert.assertTrue(response.getNonBlockingBody().available() < 4000000);
con.resumeReceiving();
Assert.assertEquals(200, response.getStatus());
QAUtil.isEquals(file, response.getBody().readByteBuffer());
server.close();
}
private final class RequestHandler implements IHttpRequestHandler {
public void onRequest(IHttpExchange exchange) throws IOException, BadMessageException {
QAUtil.sleep(500); // FOR TEST PURPOSES ONLY
exchange.send(new HttpResponse(file));
}
}
private final class SyncRequestHandler implements IHttpRequestHandler {
private final AtomicInteger written = new AtomicInteger(0);
public void onRequest(IHttpExchange exchange) throws IOException, BadMessageException {
BodyDataSink outChannel = exchange.send(new HttpResponseHeader(200), (int) file.length());
outChannel.flush(); // forces to write header FOR TEST PURPOSES ONLY
QAUtil.sleep(500); // FOR TEST PURPOSES ONLY
RandomAccessFile raf = new RandomAccessFile(file, "r");
ReadableByteChannel fc = raf.getChannel();
ByteBuffer copyBuffer = ByteBuffer.allocate(4096);
int read = 0;
while (read >= 0) {
read = fc.read(copyBuffer);
copyBuffer.flip();
if (read > 0) {
int size = outChannel.write(copyBuffer);
written.addAndGet(size);
if (copyBuffer.hasRemaining()) {
copyBuffer.compact();
} else {
copyBuffer.clear();
}
}
}
outChannel.close();
System.out.println("Server: all data written");
}
public int getWritten() {
return written.get();
}
}
private final class AsyncRequestHandler implements IHttpRequestHandler {
private final AtomicInteger written = new AtomicInteger(0);
public void onRequest(IHttpExchange exchange) throws IOException, BadMessageException {
HttpResponseHeader responseHeader = new HttpResponseHeader(200);
final BodyDataSink outChannel = exchange.send(responseHeader, (int) file.length());
outChannel.setFlushmode(FlushMode.ASYNC);
outChannel.flush(); // forces to write header FOR TEST PURPOSES ONLY
QAUtil.sleep(500); // FOR TEST PURPOSES ONLY
final RandomAccessFile raf = new RandomAccessFile(file, "r");
final FileChannel fc = raf.getChannel();
IWriteCompletionHandler sendFileProcess = new IWriteCompletionHandler() {
private long remaining = file.length();
private long offset = 0;
private long length = 0;
public void onWritten(int written) throws IOException {
write();
}
private void write() throws IOException {
// remaining data to write?
if (remaining > 0) {
// limit the buffer allocation size
if (remaining > 4096) {
length = 4096;
} else {
length = remaining;
}
MappedByteBuffer buffer = fc.map(MapMode.READ_ONLY, offset, length);
ByteBuffer[] bufs = new ByteBuffer[] { buffer };
outChannel.write(bufs, this);
offset += length;
remaining -= length;
// no, closing channel
} else {
closeFile();
outChannel.close();
}
}
public void onException(IOException ioe) {
closeFile();
outChannel.destroy();
}
private void closeFile() {
try {
fc.close();
raf.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
};
sendFileProcess.onWritten(0); // start sending
}
public int getWritten() {
return written.get();
}
}
}