/*
* 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 Mahmood 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.io.InputStream;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.Socket;
import java.util.Date;
import java.util.Map;
import javax.net.SocketFactory;
import javax.net.ssl.SSLSocketFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.notnoop.exceptions.NetworkIOException;
public class ApnsFeedbackConnection {
private static final Logger logger = LoggerFactory.getLogger(ApnsFeedbackConnection.class);
private final SocketFactory factory;
private final String host;
private final int port;
private final Proxy proxy;
private final int readTimeout;
private final int connectTimeout;
private final String proxyUsername;
private final String proxyPassword;
public ApnsFeedbackConnection(final SocketFactory factory, final String host, final int port) {
this(factory, host, port, null, 0, 0, null, null);
}
public ApnsFeedbackConnection(final SocketFactory factory, final String host, final int port,
final Proxy proxy, int readTimeout, int connectTimeout, final String proxyUsername, final String proxyPassword) {
this.factory = factory;
this.host = host;
this.port = port;
this.proxy = proxy;
this.readTimeout = readTimeout;
this.connectTimeout = connectTimeout;
this.proxyUsername = proxyUsername;
this.proxyPassword = proxyPassword;
}
int DELAY_IN_MS = 1000;
private static final int RETRIES = 3;
public Map<String, Date> getInactiveDevices() throws NetworkIOException {
int attempts = 0;
while (true) {
try {
attempts++;
final Map<String, Date> result = getInactiveDevicesImpl();
attempts = 0;
return result;
} catch (final Exception e) {
logger.warn("Failed to retrieve invalid devices", e);
if (attempts >= RETRIES) {
logger.error("Couldn't get feedback connection", e);
Utilities.wrapAndThrowAsRuntimeException(e);
}
Utilities.sleep(DELAY_IN_MS);
}
}
}
public Map<String, Date> getInactiveDevicesImpl() throws IOException {
Socket proxySocket = null;
Socket socket = null;
try {
if (proxy == null) {
socket = factory.createSocket(host, port);
} else if (proxy.type() == Proxy.Type.HTTP) {
TlsTunnelBuilder tunnelBuilder = new TlsTunnelBuilder();
socket = tunnelBuilder.build((SSLSocketFactory) factory, proxy, proxyUsername, proxyPassword, host, port);
} else {
proxySocket = new Socket(proxy);
proxySocket.connect(new InetSocketAddress(host, port), connectTimeout);
socket = ((SSLSocketFactory) factory).createSocket(proxySocket, host, port, false);
}
socket.setSoTimeout(readTimeout);
socket.setKeepAlive(true);
final InputStream stream = socket.getInputStream();
return Utilities.parseFeedbackStream(stream);
} finally {
Utilities.close(socket);
Utilities.close(proxySocket);
}
}
}