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package com.orbekk.same;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.orbekk.net.BroadcasterInterface;
import com.orbekk.net.BroadcastListener;
import com.orbekk.net.BroadcasterFactory;
import com.orbekk.net.DefaultBroadcasterFactory;
import com.orbekk.paxos.PaxosService;
import com.orbekk.paxos.PaxosServiceImpl;
import com.orbekk.same.config.Configuration;
import com.orbekk.same.http.JettyServerBuilder;
import com.orbekk.same.http.JettyServerContainer;
import com.orbekk.same.http.StateServlet;
public class SameController {
private Logger logger = LoggerFactory.getLogger(getClass());
private JettyServerContainer server;
private Master master;
private Client client;
private PaxosServiceImpl paxos;
private DiscoveryService discoveryService;
private BroadcasterFactory broadcasterFactory;
private Configuration configuration;
/**
* Timeout for remote operations in milliseconds.
*/
private static final int timeout = 10000;
public static SameController create(BroadcasterFactory broadcasterFactory,
Configuration configuration) {
int port = configuration.getInt("port");
ConnectionManagerImpl connections = new ConnectionManagerImpl(
timeout, timeout);
State clientState = new State(".InvalidClientNetwork");
Broadcaster broadcaster = BroadcasterImpl.getDefaultBroadcastRunner();
String baseUrl = String.format("http://%s:%s/",
configuration.get("localIp"), configuration.getInt("port"));
String masterUrl = baseUrl + "MasterService.json";
String clientUrl = baseUrl + "ClientService.json";
Master master = Master.create(connections, broadcaster,
masterUrl, configuration.get("networkName"));
Client client = new Client(clientState, connections,
clientUrl);
PaxosServiceImpl paxos = new PaxosServiceImpl("");
DiscoveryService discoveryService = null;
if ("true".equals(configuration.get("enableDiscovery"))) {
BroadcastListener broadcastListener = new BroadcastListener(
configuration.getInt("discoveryPort"));
discoveryService = new DiscoveryService(client, broadcastListener);
}
StateServlet stateServlet = new StateServlet(client.getInterface(),
new VariableFactory(client.getInterface()));
JettyServerContainer server = new JettyServerBuilder(port)
.withServlet(stateServlet, "/_/state")
.withService(client.getService(), ClientService.class)
.withService(master.getService(), MasterService.class)
.withService(paxos, PaxosService.class)
.build();
SameController controller = new SameController(
configuration, server, master, client,
paxos, discoveryService, broadcasterFactory);
return controller;
}
public static SameController create(Configuration configuration) {
return create(new DefaultBroadcasterFactory(), configuration);
}
public SameController(
Configuration configuration,
JettyServerContainer server,
Master master,
Client client,
PaxosServiceImpl paxos,
DiscoveryService discoveryService,
BroadcasterFactory broadcasterFactory) {
this.configuration = configuration;
this.server = server;
this.master = master;
this.client = client;
this.paxos = paxos;
this.discoveryService = discoveryService;
this.broadcasterFactory = broadcasterFactory;
}
public void start() throws Exception {
server.start();
master.start();
client.start();
if (discoveryService != null) {
discoveryService.start();
}
}
public void stop() {
try {
client.interrupt();
master.interrupt();
server.stop();
if (discoveryService != null) {
discoveryService.interrupt();
}
} catch (Exception e) {
logger.error("Failed to stop webserver", e);
}
}
public void join() {
try {
server.join();
client.interrupt();
master.interrupt();
if (discoveryService != null) {
discoveryService.join();
}
} catch (InterruptedException e) {
try {
server.stop();
} catch (Exception e1) {
logger.error("Failed to stop server", e);
}
}
}
public void searchNetworks() {
BroadcasterInterface broadcaster = broadcasterFactory.create();
String message = "Discover " + client.getUrl();
broadcaster.sendBroadcast(configuration.getInt("discoveryPort"),
message.getBytes());
}
public void joinNetwork(String url) {
client.joinNetwork(url);
}
public Client getClient() {
return client;
}
public Master getMaster() {
return master;
}
public VariableFactory createVariableFactory() {
return new VariableFactory(client.getInterface());
}
}
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