/*

 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

import java.io.*;

import java.net.*;

import java.nio.file.*;

public class PushHandler implements Http2Handler {

    final Path tempFile;

    final int loops;

    final long file_size;

    public PushHandler(Path file, int loops) throws Exception {

        tempFile = file;

        this.loops = loops;

        this.file_size = Files.size(file);

    }

    int invocation = 0;

    public void handle(Http2TestExchange ee) {

        try {

            System.err.println ("Server: handle " + ee);

            invocation++;

            if (ee.serverPushAllowed()) {

                URI requestURI = ee.getRequestURI();

                for (int i=0; i<loops; i++) {

                    InputStream is = new FileInputStream(tempFile.toFile());

                    URI u = requestURI.resolve("/x/y/z/" + Integer.toString(i));

                    HttpHeadersImpl h = new HttpHeadersImpl();

                    h.addHeader("X-foo", "bar");

                    ee.serverPush(u, h, is);

                }

                System.err.println ("Server: sent all pushes");

            }

            ee.sendResponseHeaders(200, file_size);

            OutputStream os = ee.getResponseBody();

            InputStream iis = new FileInputStream(tempFile.toFile());

            iis.transferTo(os);

            os.close();

            iis.close();

        } catch (Exception ex) {

            System.err.println ("Server: exception " + ex);

        }

    }

}