/** Start a server that handles the supplied protocol. */
public boolean startServer(final int port) {
if (server == null) {
return false; // Did not initialize yet.
}
// Create a new connection & state manager.
final CommManager manager = new CommManager();
// Create a new pipeline. This time use an anonymous class.
server.setPipelineFactory(
new ChannelPipelineFactory() {
public ChannelPipeline getPipeline() {
return Channels.pipeline(
new PaxosMessageDecoder(), new PaxosMessageEncoder(), manager);
}
});
try { // Try to bind to the given port.
serverChannel = server.bind(new InetSocketAddress(port));
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
/**
* The main listening method. Must be called for the node server to actually start listening for
* traffic.
*/
public void initServer() {
// Create a new channel factory using cached thread pools for the master & workers.
serverFactory =
new NioServerSocketChannelFactory(
Executors.newCachedThreadPool(), Executors.newCachedThreadPool());
// Bootstrap a new server.
server = new ServerBootstrap(serverFactory);
// Set some TCP options.
server.setOption("child.tcpNoDelay", true);
server.setOption("child.keepAlive", true);
}