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package com.orbekk.paxos;
import static org.junit.Assert.*;
import com.googlecode.jsonrpc4j.JsonRpcServer;
import com.orbekk.same.ConnectionManagerImpl;
import com.orbekk.same.http.RpcServlet;
import com.orbekk.same.http.ServerBuilder;
import com.orbekk.same.http.ServerContainer;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.Server;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class PaxosServiceFunctionalTest {
ConnectionManagerImpl connections = new ConnectionManagerImpl(500, 500);
List<String> paxosUrls = new ArrayList<String>();
// RpcHandler handler = new RpcHandler(null);
ServerContainer server;
String myUrl;
int successfulProposals = 0;
@Before
public void setUp() throws Exception {
ServerBuilder builder = new ServerBuilder(0);
setupPaxos(builder, 10);
server = builder.build();
myUrl = "http://localhost:" + server.getPort();
}
@After
public void tearDown() throws Exception {
server.stop();
}
public void setupPaxos(ServerBuilder builder, int instances) {
for (int i = 1; i <= instances; i++) {
JsonRpcServer jsonServer = new JsonRpcServer(
new PaxosServiceImpl("P" + i + ": "), PaxosService.class);
String serviceId = "/PaxosService" + i + ".json";
builder.withServlet(new RpcServlet(jsonServer), serviceId);
paxosUrls.add(myUrl + serviceId);
}
}
@Test
public void testMasterElection() {
MasterProposer m1 = new MasterProposer("http://client1", paxosUrls,
connections);
assertTrue(m1.propose(1));
}
@Test
public void testWithCompetition() {
int proposers = 5;
List<Thread> masterProposers = new ArrayList<Thread>();
for (int i = 1; i <= proposers; i++) {
final int j = i;
masterProposers.add(new Thread() {
@Override public void run() {
MasterProposer client =
new MasterProposer("http:/client" + j, paxosUrls,
connections);
if (client.proposeRetry(1)) {
incrementSuccessfulProposals();
}
}
});
}
for (Thread t : masterProposers) {
t.start();
}
for (Thread t : masterProposers) {
try {
t.join();
} catch (InterruptedException e) {
// Ignore.
}
}
assertEquals(5, successfulProposals);
}
public synchronized void incrementSuccessfulProposals() {
successfulProposals += 1;
}
}
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