/** Send the message over the channel specified by the message. */
protected void write(Channel channel, PaxosMessage msg) {
ChannelFuture future;
// Send out a command.
future = channel.write(msg); // Write the contents to the channel.
future.addListener(this);
}
/** The server has received a message. */
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) {
PaxosMessage msg;
// Get our consensus message and hand it back to the parent.
msg = (PaxosMessage) e.getMessage();
if (msg != null) {
// Try to get remote connection information.
// This is used if we need to update the network
// information later.
Channel channel = ctx.getChannel();
InetSocketAddress remote = (InetSocketAddress) channel.getRemoteAddress();
// Update the message with the remote address.
msg.setRemoteAddress(remote.getAddress().getHostAddress());
// Update the client.
updateCallback(msg);
// Close the channel so that we don't leak descriptors.
channel.close();
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) {
e.getCause().printStackTrace();
Channel ch = e.getChannel();
ch.close();
}
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) {
Channel ch = e.getChannel();
ch.write(e.getMessage());
}
/** Stop listening and close the server channel. */
public void stopListening() {
serverChannel.close();
}