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package com.orbekk.same;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.orbekk.net.HttpUtil;
import com.orbekk.paxos.PaxosService;
import com.orbekk.paxos.PaxosServiceImpl;
import com.orbekk.same.config.Configuration;
import com.orbekk.same.http.ServerBuilder;
import com.orbekk.same.http.ServerContainer;
import com.orbekk.same.http.StateServlet;
public class SameController {
private Logger logger = LoggerFactory.getLogger(getClass());
private int port;
private ServerContainer server;
private MasterServiceImpl master;
private ClientServiceImpl client;
private PaxosServiceImpl paxos;
/**
* Timeout for remote operations in milliseconds.
*/
private static final int timeout = 10000;
public static SameController create(Configuration configuration) {
int port = configuration.getInt("port");
ConnectionManagerImpl connections = new ConnectionManagerImpl(
timeout, timeout);
State state = new State("Default");
Broadcaster broadcaster = BroadcasterImpl.getDefaultBroadcastRunner();
MasterServiceImpl master = new MasterServiceImpl(state, connections,
broadcaster);
ClientServiceImpl client = new ClientServiceImpl(state, connections);
PaxosServiceImpl paxos = new PaxosServiceImpl("");
ServerContainer server = new ServerBuilder(port)
.withServlet(new StateServlet(), "/_/state")
.withService(client.getService(), ClientService.class)
.withService(master, MasterService.class)
.withService(paxos, PaxosService.class)
.build();
SameController controller = new SameController(port, server, master, client,
paxos);
return controller;
}
public SameController(
int port,
ServerContainer server,
MasterServiceImpl master,
ClientServiceImpl client,
PaxosServiceImpl paxos) {
this.port = port;
this.server = server;
this.master = master;
this.client = client;
this.paxos = paxos;
}
public void start() throws Exception {
server.start();
master.start();
client.start();
}
public void stop() {
try {
client.interrupt();
master.interrupt();
server.stop();
} catch (Exception e) {
logger.error("Failed to stop webserver", e);
}
}
public void join() {
try {
server.join();
master.join();
} catch (InterruptedException e) {
master.interrupt();
try {
server.stop();
} catch (Exception e1) {
logger.error("Failed to stop server", e);
}
}
}
public boolean tryGetUrl(String serverUrl) {
int retries = 100;
while (client.getUrl() == null && retries > 0) {
HttpUtil.sendHttpRequest(serverUrl + "ping?port=" +
port);
try {
Thread.sleep(500);
} catch (InterruptedException e) {
return false;
}
retries -= 1;
}
return client.getUrl() != null;
}
public void joinNetwork(String url) {
boolean hasUrl = tryGetUrl(url);
if (hasUrl) {
client.joinNetwork(url + "MasterService.json");
}
}
public ClientServiceImpl getClient() {
return client;
}
public MasterServiceImpl getMaster() {
return master;
}
}
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