/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.flink.runtime.blob;

import org.apache.flink.configuration.Configuration;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;

public class TestingFailingBlobServer extends BlobServer {

	private int numFailures;

	public TestingFailingBlobServer(Configuration config, BlobStore blobStore, int numFailures) throws IOException {
		super(config, blobStore);
		this.numFailures = numFailures;
	}

	@Override
	public void run() {

		// we do properly the first operation (PUT)
		try {
			new BlobServerConnection(getServerSocket().accept(), this).start();
		}
		catch (Throwable t) {
			t.printStackTrace();
		}

		// do some failing operations
		for (int num = 0; num < numFailures && !isShutdown(); num++) {
			Socket socket = null;
			try {
				socket = getServerSocket().accept();
				InputStream is = socket.getInputStream();
				OutputStream os = socket.getOutputStream();

				// just abort everything
				is.close();
				os.close();
				socket.close();
			}
			catch (IOException e) {
			}
			finally {
				if (socket != null) {
					try {
						socket.close();
					} catch(Throwable t) {}
				}
			}
		}

		// regular runs
		super.run();
	}
}