/*
 * Copyright 2009, Mahmood Ali.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following disclaimer
 *     in the documentation and/or other materials provided with the
 *     distribution.
 *   * Neither the name of Mahmod Ali. nor the names of its
 *     contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.notnoop.apns.internal;

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

import javax.net.SocketFactory;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.notnoop.apns.ApnsNotification;

public class ApnsConnection {
    private static final Logger logger = LoggerFactory.getLogger(ApnsConnection.class);

    private final SocketFactory factory;
    private final String host;
    private final int port;

    public ApnsConnection(SocketFactory factory, String host, int port) {
        this.factory = factory;
        this.host = host;
        this.port = port;
    }

    protected void close() throws IOException {
        this.socket.close();
    }

    private Socket socket;
    private Socket socket() {
        if (socket == null || socket.isClosed()) {
            try {
                socket = factory.createSocket(host, port);
                logger.debug("Made a new connection to APNS");
            } catch (Exception e) {
                logger.error("Couldnt' connec to APNS server", e);
            }
        }
        return socket;
    }

    private static final int RETRIES = 3;
    protected synchronized void sendMessage(ApnsNotification m) {
        int attempts = 0;
        while (true) {
            try {
                attempts++;
                Socket socket = socket();
                socket.getOutputStream().write(m.marshall());
                socket.getOutputStream().flush();
                logger.debug("Message \"{}\" sent", m);
                break;
            } catch (IOException e) {
                if (attempts >= RETRIES) {
                	logger.error("Couldn't send message " + m, e);
                    throw new RuntimeException(e);
                }
                logger.warn("Failed to send message " + m + "... trying again", e);
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e1) {
                    e1.printStackTrace();
                }
                try { socket.close(); } catch (Exception _) {}
                socket = null;
            }
        }
    }

}

@@ -3085,16 +3085,46 @@
 t%22, m);%0A
+                attempts = 0;%0A
         

reset counter upon a successful send