Reschedule polling when connections are opened or closed.

This commit is contained in:
akwizgran
2016-05-05 16:10:18 +01:00
parent 1bdd7ca761
commit e3bf20aed5
3 changed files with 198 additions and 35 deletions

View File

@@ -6,6 +6,7 @@ import org.briarproject.RunAction;
import org.briarproject.api.TransportId;
import org.briarproject.api.contact.ContactId;
import org.briarproject.api.event.ConnectionClosedEvent;
import org.briarproject.api.event.ConnectionOpenedEvent;
import org.briarproject.api.event.ContactStatusChangedEvent;
import org.briarproject.api.event.TransportEnabledEvent;
import org.briarproject.api.plugins.ConnectionManager;
@@ -16,6 +17,7 @@ import org.briarproject.api.plugins.TransportConnectionWriter;
import org.briarproject.api.plugins.duplex.DuplexPlugin;
import org.briarproject.api.plugins.duplex.DuplexTransportConnection;
import org.briarproject.api.plugins.simplex.SimplexPlugin;
import org.briarproject.api.system.Clock;
import org.jmock.Expectations;
import org.jmock.Mockery;
import org.jmock.lib.legacy.ClassImposteriser;
@@ -33,9 +35,11 @@ import static java.util.concurrent.TimeUnit.MILLISECONDS;
public class PollerTest extends BriarTestCase {
private final ContactId contactId = new ContactId(234);
private final int pollingInterval = 60 * 1000;
private final long now = System.currentTimeMillis();
@Test
public void testConnectToNewContact() throws Exception {
public void testConnectOnContactStatusChanged() throws Exception {
Mockery context = new Mockery();
context.setImposteriser(ClassImposteriser.INSTANCE);
final Executor ioExecutor = new ImmediateExecutor();
@@ -47,6 +51,7 @@ public class PollerTest extends BriarTestCase {
context.mock(ConnectionRegistry.class);
final PluginManager pluginManager = context.mock(PluginManager.class);
final SecureRandom random = context.mock(SecureRandom.class);
final Clock clock = context.mock(Clock.class);
// Two simplex plugins: one supports polling, the other doesn't
final SimplexPlugin simplexPlugin = context.mock(SimplexPlugin.class);
@@ -112,7 +117,7 @@ public class PollerTest extends BriarTestCase {
}});
Poller p = new Poller(ioExecutor, scheduler, connectionManager,
connectionRegistry, pluginManager, random);
connectionRegistry, pluginManager, random, clock);
p.eventOccurred(new ContactStatusChangedEvent(contactId, true));
@@ -120,7 +125,8 @@ public class PollerTest extends BriarTestCase {
}
@Test
public void testReconnectToDisconnectedContact() throws Exception {
public void testRescheduleAndReconnectOnConnectionClosed()
throws Exception {
Mockery context = new Mockery();
context.setImposteriser(ClassImposteriser.INSTANCE);
final Executor ioExecutor = new ImmediateExecutor();
@@ -132,6 +138,7 @@ public class PollerTest extends BriarTestCase {
context.mock(ConnectionRegistry.class);
final PluginManager pluginManager = context.mock(PluginManager.class);
final SecureRandom random = context.mock(SecureRandom.class);
final Clock clock = context.mock(Clock.class);
final DuplexPlugin plugin = context.mock(DuplexPlugin.class);
final TransportId transportId = new TransportId("id");
@@ -139,15 +146,30 @@ public class PollerTest extends BriarTestCase {
context.mock(DuplexTransportConnection.class);
context.checking(new Expectations() {{
allowing(plugin).getId();
will(returnValue(transportId));
// reschedule()
// Get the plugin
oneOf(pluginManager).getPlugin(transportId);
will(returnValue(plugin));
// The plugin supports polling
oneOf(plugin).shouldPoll();
will(returnValue(true));
// Get the plugin
oneOf(pluginManager).getPlugin(transportId);
will(returnValue(plugin));
// The plugin supports polling
oneOf(plugin).shouldPoll();
will(returnValue(true));
// Schedule the next poll
oneOf(plugin).getPollingInterval();
will(returnValue(pollingInterval));
oneOf(clock).currentTimeMillis();
will(returnValue(now));
oneOf(scheduler).schedule(with(any(Runnable.class)),
with((long) pollingInterval), with(MILLISECONDS));
// connectToContact()
// Check whether the contact is already connected
oneOf(plugin).getId();
will(returnValue(transportId));
oneOf(connectionRegistry).isConnected(contactId, transportId);
will(returnValue(false));
// Connect to the contact
@@ -159,7 +181,7 @@ public class PollerTest extends BriarTestCase {
}});
Poller p = new Poller(ioExecutor, scheduler, connectionManager,
connectionRegistry, pluginManager, random);
connectionRegistry, pluginManager, random, clock);
p.eventOccurred(new ConnectionClosedEvent(contactId, transportId,
false));
@@ -167,8 +189,9 @@ public class PollerTest extends BriarTestCase {
context.assertIsSatisfied();
}
@Test
public void testPollWhenTransportIsEnabled() throws Exception {
public void testRescheduleOnConnectionOpened() throws Exception {
Mockery context = new Mockery();
context.setImposteriser(ClassImposteriser.INSTANCE);
final Executor ioExecutor = new ImmediateExecutor();
@@ -180,10 +203,115 @@ public class PollerTest extends BriarTestCase {
context.mock(ConnectionRegistry.class);
final PluginManager pluginManager = context.mock(PluginManager.class);
final SecureRandom random = context.mock(SecureRandom.class);
final Clock clock = context.mock(Clock.class);
final DuplexPlugin plugin = context.mock(DuplexPlugin.class);
final TransportId transportId = new TransportId("id");
context.checking(new Expectations() {{
allowing(plugin).getId();
will(returnValue(transportId));
// Get the plugin
oneOf(pluginManager).getPlugin(transportId);
will(returnValue(plugin));
// The plugin supports polling
oneOf(plugin).shouldPoll();
will(returnValue(true));
// Schedule the next poll
oneOf(plugin).getPollingInterval();
will(returnValue(pollingInterval));
oneOf(clock).currentTimeMillis();
will(returnValue(now));
oneOf(scheduler).schedule(with(any(Runnable.class)),
with((long) pollingInterval), with(MILLISECONDS));
}});
Poller p = new Poller(ioExecutor, scheduler, connectionManager,
connectionRegistry, pluginManager, random, clock);
p.eventOccurred(new ConnectionOpenedEvent(contactId, transportId,
false));
context.assertIsSatisfied();
}
@Test
public void testRescheduleDoesNotReplaceEarlierTask() throws Exception {
Mockery context = new Mockery();
context.setImposteriser(ClassImposteriser.INSTANCE);
final Executor ioExecutor = new ImmediateExecutor();
final ScheduledExecutorService scheduler =
context.mock(ScheduledExecutorService.class);
final ConnectionManager connectionManager =
context.mock(ConnectionManager.class);
final ConnectionRegistry connectionRegistry =
context.mock(ConnectionRegistry.class);
final PluginManager pluginManager = context.mock(PluginManager.class);
final SecureRandom random = context.mock(SecureRandom.class);
final Clock clock = context.mock(Clock.class);
final DuplexPlugin plugin = context.mock(DuplexPlugin.class);
final TransportId transportId = new TransportId("id");
context.checking(new Expectations() {{
allowing(plugin).getId();
will(returnValue(transportId));
// First event
// Get the plugin
oneOf(pluginManager).getPlugin(transportId);
will(returnValue(plugin));
// The plugin supports polling
oneOf(plugin).shouldPoll();
will(returnValue(true));
// Schedule the next poll
oneOf(plugin).getPollingInterval();
will(returnValue(pollingInterval));
oneOf(clock).currentTimeMillis();
will(returnValue(now));
oneOf(scheduler).schedule(with(any(Runnable.class)),
with((long) pollingInterval), with(MILLISECONDS));
// Second event
// Get the plugin
oneOf(pluginManager).getPlugin(transportId);
will(returnValue(plugin));
// The plugin supports polling
oneOf(plugin).shouldPoll();
will(returnValue(true));
// Don't replace the previously scheduled task, due earlier
oneOf(plugin).getPollingInterval();
will(returnValue(pollingInterval));
oneOf(clock).currentTimeMillis();
will(returnValue(now + 1));
}});
Poller p = new Poller(ioExecutor, scheduler, connectionManager,
connectionRegistry, pluginManager, random, clock);
p.eventOccurred(new ConnectionOpenedEvent(contactId, transportId,
false));
p.eventOccurred(new ConnectionOpenedEvent(contactId, transportId,
false));
context.assertIsSatisfied();
}
@Test
public void testPollOnTransportEnabled() throws Exception {
Mockery context = new Mockery();
context.setImposteriser(ClassImposteriser.INSTANCE);
final Executor ioExecutor = new ImmediateExecutor();
final ScheduledExecutorService scheduler =
context.mock(ScheduledExecutorService.class);
final ConnectionManager connectionManager =
context.mock(ConnectionManager.class);
final ConnectionRegistry connectionRegistry =
context.mock(ConnectionRegistry.class);
final PluginManager pluginManager = context.mock(PluginManager.class);
final SecureRandom random = context.mock(SecureRandom.class);
final Clock clock = context.mock(Clock.class);
final Plugin plugin = context.mock(Plugin.class);
final TransportId transportId = new TransportId("id");
final int pollingInterval = 60 * 1000;
final List<ContactId> connected = Collections.singletonList(contactId);
context.checking(new Expectations() {{
@@ -196,14 +324,18 @@ public class PollerTest extends BriarTestCase {
oneOf(plugin).shouldPoll();
will(returnValue(true));
// Schedule a polling task immediately
oneOf(clock).currentTimeMillis();
will(returnValue(now));
oneOf(scheduler).schedule(with(any(Runnable.class)), with(0L),
with(MILLISECONDS));
will(new RunAction());
// Run the polling task
// Running the polling task schedules the next polling task
oneOf(plugin).getPollingInterval();
will(returnValue(pollingInterval));
oneOf(random).nextDouble();
will(returnValue(0.5));
oneOf(clock).currentTimeMillis();
will(returnValue(now));
oneOf(scheduler).schedule(with(any(Runnable.class)),
with((long) (pollingInterval * 0.5)), with(MILLISECONDS));
// Poll the plugin
@@ -213,7 +345,7 @@ public class PollerTest extends BriarTestCase {
}});
Poller p = new Poller(ioExecutor, scheduler, connectionManager,
connectionRegistry, pluginManager, random);
connectionRegistry, pluginManager, random, clock);
p.eventOccurred(new TransportEnabledEvent(transportId));