package biz.paluch.logging.gelf.intern;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.DatagramChannel;
/**
* (c) https://github.com/t0xa/gelfj
*/
public class GelfUDPSender implements GelfSender {
private InetAddress host;
private int port;
private DatagramChannel channel;
public GelfUDPSender() {
}
public GelfUDPSender(String host) throws IOException {
this(host, DEFAULT_PORT);
}
public GelfUDPSender(String host, int port) throws IOException {
this.host = InetAddress.getByName(host);
this.port = port;
this.channel = initiateChannel();
}
private DatagramChannel initiateChannel() throws IOException {
DatagramChannel resultingChannel = DatagramChannel.open();
resultingChannel.socket().bind(new InetSocketAddress(0));
resultingChannel.connect(new InetSocketAddress(this.host, this.port));
resultingChannel.configureBlocking(false);
return resultingChannel;
}
public boolean sendMessage(GelfMessage message) {
return message.isValid() && sendDatagrams(message.toUDPBuffers());
}
private boolean sendDatagrams(ByteBuffer[] bytesList) {
try {
for (ByteBuffer buffer : bytesList) {
channel.write(buffer);
}
} catch (IOException e) {
return false;
}
return true;
}
public void close() {
try {
channel.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}