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Merge branch '1580-offline-state' into 'master'

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Add offline state for pending contacts

Closes #1580

See merge request briar/briar!1138
This commit is contained in:
Torsten Grote
2019-06-17 13:10:41 +00:00
parent 32e8ea9888 f0cea28aeb
commit 249e1e28fe
8 changed files with 77 additions and 30 deletions
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1
bramble-api/src/main/java/org/briarproject/bramble/api/contact/PendingContactState.java
View File

@@ -3,6 +3,7 @@ package org.briarproject.bramble.api.contact;
public enum PendingContactState {
WAITING_FOR_CONNECTION,
OFFLINE,
CONNECTING,
ADDING_CONTACT,
FAILED

1
bramble-core/src/main/java/org/briarproject/bramble/contact/ContactManagerImpl.java
View File

@@ -147,7 +147,6 @@ class ContactManagerImpl implements ContactManager, EventListener {
} finally {
db.endTransaction(txn);
}
states.put(p.getId(), WAITING_FOR_CONNECTION);
return p;
}

31
bramble-core/src/main/java/org/briarproject/bramble/rendezvous/RendezvousPollerImpl.java
View File

@@ -66,6 +66,7 @@ import static java.util.logging.Level.WARNING;
import static java.util.logging.Logger.getLogger;
import static org.briarproject.bramble.api.contact.PendingContactState.ADDING_CONTACT;
import static org.briarproject.bramble.api.contact.PendingContactState.FAILED;
import static org.briarproject.bramble.api.contact.PendingContactState.OFFLINE;
import static org.briarproject.bramble.api.contact.PendingContactState.WAITING_FOR_CONNECTION;
import static org.briarproject.bramble.api.nullsafety.NullSafety.requireNull;
import static org.briarproject.bramble.rendezvous.RendezvousConstants.POLLING_INTERVAL_MS;
@@ -158,9 +159,7 @@ class RendezvousPollerImpl implements RendezvousPoller, Service, EventListener {
private void addPendingContact(PendingContact p) {
long now = clock.currentTimeMillis();
long expiry = p.getTimestamp() + RENDEZVOUS_TIMEOUT_MS;
if (expiry > now) {
broadcastState(p.getId(), WAITING_FOR_CONNECTION);
} else {
if (expiry <= now) {
broadcastState(p.getId(), FAILED);
return;
}
@@ -180,9 +179,13 @@ class RendezvousPollerImpl implements RendezvousPoller, Service, EventListener {
for (PluginState ps : pluginStates.values()) {
RendezvousEndpoint endpoint =
createEndpoint(ps.plugin, p.getId(), cs);
if (endpoint != null)
if (endpoint != null) {
requireNull(ps.endpoints.put(p.getId(), endpoint));
cs.numEndpoints++;
}
}
if (cs.numEndpoints == 0) broadcastState(p.getId(), OFFLINE);
else broadcastState(p.getId(), WAITING_FOR_CONNECTION);
} catch (DbException | GeneralSecurityException e) {
logException(LOG, WARNING, e);
}
@@ -328,9 +331,14 @@ class RendezvousPollerImpl implements RendezvousPoller, Service, EventListener {
TransportId t = plugin.getId();
Map<PendingContactId, RendezvousEndpoint> endpoints = new HashMap<>();
for (Entry<PendingContactId, CryptoState> e : cryptoStates.entrySet()) {
RendezvousEndpoint endpoint =
createEndpoint(plugin, e.getKey(), e.getValue());
if (endpoint != null) endpoints.put(e.getKey(), endpoint);
PendingContactId p = e.getKey();
CryptoState cs = e.getValue();
RendezvousEndpoint endpoint = createEndpoint(plugin, p, cs);
if (endpoint != null) {
endpoints.put(p, endpoint);
if (++cs.numEndpoints == 1)
broadcastState(p, WAITING_FOR_CONNECTION);
}
}
requireNull(pluginStates.put(t, new PluginState(plugin, endpoints)));
}
@@ -344,8 +352,11 @@ class RendezvousPollerImpl implements RendezvousPoller, Service, EventListener {
private void removeTransport(TransportId t) {
PluginState ps = pluginStates.remove(t);
if (ps != null) {
for (RendezvousEndpoint endpoint : ps.endpoints.values()) {
tryToClose(endpoint, LOG, INFO);
for (Entry<PendingContactId, RendezvousEndpoint> e :
ps.endpoints.entrySet()) {
tryToClose(e.getValue(), LOG, INFO);
CryptoState cs = cryptoStates.get(e.getKey());
if (--cs.numEndpoints == 0) broadcastState(e.getKey(), OFFLINE);
}
}
}
@@ -391,6 +402,8 @@ class RendezvousPollerImpl implements RendezvousPoller, Service, EventListener {
private final boolean alice;
private final long expiry;
private int numEndpoints = 0;
private CryptoState(SecretKey rendezvousKey, boolean alice,
long expiry) {
this.rendezvousKey = rendezvousKey;

30
bramble-core/src/test/java/org/briarproject/bramble/contact/ContactExchangeIntegrationTest.java
View File

@@ -6,11 +6,15 @@ import org.briarproject.bramble.api.contact.ContactManager;
import org.briarproject.bramble.api.contact.PendingContact;
import org.briarproject.bramble.api.contact.PendingContactState;
import org.briarproject.bramble.api.contact.event.ContactAddedEvent;
import org.briarproject.bramble.api.contact.event.PendingContactStateChangedEvent;
import org.briarproject.bramble.api.crypto.PublicKey;
import org.briarproject.bramble.api.crypto.SecretKey;
import org.briarproject.bramble.api.event.Event;
import org.briarproject.bramble.api.event.EventListener;
import org.briarproject.bramble.api.identity.Identity;
import org.briarproject.bramble.api.identity.IdentityManager;
import org.briarproject.bramble.api.lifecycle.LifecycleManager;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.test.BrambleTestCase;
import org.briarproject.bramble.test.TestDatabaseConfigModule;
import org.briarproject.bramble.test.TestDuplexTransportConnection;
@@ -27,7 +31,7 @@ import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static junit.framework.TestCase.assertNotNull;
import static junit.framework.TestCase.assertNull;
import static junit.framework.TestCase.fail;
import static org.briarproject.bramble.api.contact.PendingContactState.WAITING_FOR_CONNECTION;
import static org.briarproject.bramble.api.contact.PendingContactState.OFFLINE;
import static org.briarproject.bramble.test.TestDuplexTransportConnection.createPair;
import static org.briarproject.bramble.test.TestPluginConfigModule.DUPLEX_TRANSPORT_ID;
import static org.briarproject.bramble.test.TestUtils.deleteTestDirectory;
@@ -188,9 +192,14 @@ public class ContactExchangeIntegrationTest extends BrambleTestCase {
private PendingContact addPendingContact(
ContactExchangeIntegrationTestComponent local,
ContactExchangeIntegrationTestComponent remote) throws Exception {
EventWaiter waiter = new EventWaiter();
local.getEventBus().addListener(waiter);
String link = remote.getContactManager().getHandshakeLink();
String alias = remote.getIdentityManager().getLocalAuthor().getName();
return local.getContactManager().addPendingContact(link, alias);
PendingContact pendingContact =
local.getContactManager().addPendingContact(link, alias);
waiter.latch.await(TIMEOUT, MILLISECONDS);
return pendingContact;
}
private void assertContacts(boolean verified,
@@ -237,7 +246,7 @@ public class ContactExchangeIntegrationTest extends BrambleTestCase {
assertEquals(1, pairs.size());
Pair<PendingContact, PendingContactState> pair =
pairs.iterator().next();
assertEquals(WAITING_FOR_CONNECTION, pair.getSecond());
assertEquals(OFFLINE, pair.getSecond());
PendingContact pendingContact = pair.getFirst();
assertEquals(expectedIdentity.getLocalAuthor().getName(),
pendingContact.getAlias());
@@ -261,4 +270,19 @@ public class ContactExchangeIntegrationTest extends BrambleTestCase {
tearDown(bob);
deleteTestDirectory(testDir);
}
@NotNullByDefault
private static class EventWaiter implements EventListener {
private final CountDownLatch latch = new CountDownLatch(1);
@Override
public void eventOccurred(Event e) {
if (e instanceof PendingContactStateChangedEvent) {
PendingContactStateChangedEvent p =
(PendingContactStateChangedEvent) e;
if (p.getPendingContactState() == OFFLINE) latch.countDown();
}
}
}
}

37
bramble-core/src/test/java/org/briarproject/bramble/rendezvous/RendezvousPollerImplTest.java
View File

@@ -45,6 +45,7 @@ import static java.util.Collections.singletonList;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.briarproject.bramble.api.contact.PendingContactState.ADDING_CONTACT;
import static org.briarproject.bramble.api.contact.PendingContactState.FAILED;
import static org.briarproject.bramble.api.contact.PendingContactState.OFFLINE;
import static org.briarproject.bramble.api.contact.PendingContactState.WAITING_FOR_CONNECTION;
import static org.briarproject.bramble.rendezvous.RendezvousConstants.POLLING_INTERVAL_MS;
import static org.briarproject.bramble.rendezvous.RendezvousConstants.RENDEZVOUS_TIMEOUT_MS;
@@ -120,7 +121,7 @@ public class RendezvousPollerImplTest extends BrambleMockTestCase {
will(returnValue(beforeExpiry));
oneOf(eventBus).broadcast(with(new PredicateMatcher<>(
PendingContactStateChangedEvent.class, e ->
e.getPendingContactState() == WAITING_FOR_CONNECTION)));
e.getPendingContactState() == OFFLINE)));
// Capture the poll task
oneOf(scheduler).scheduleAtFixedRate(with(any(Runnable.class)),
with(POLLING_INTERVAL_MS), with(POLLING_INTERVAL_MS),
@@ -184,7 +185,7 @@ public class RendezvousPollerImplTest extends BrambleMockTestCase {
context.assertIsSatisfied();
// Add the pending contact - endpoint should be created and polled
expectAddUnexpiredPendingContact(beforeExpiry);
expectAddPendingContact(beforeExpiry, WAITING_FOR_CONNECTION);
expectDeriveRendezvousKey();
expectCreateEndpoint();
@@ -205,9 +206,7 @@ public class RendezvousPollerImplTest extends BrambleMockTestCase {
context.assertIsSatisfied();
// Remove the pending contact - endpoint should be closed
context.checking(new Expectations() {{
oneOf(rendezvousEndpoint).close();
}});
expectCloseEndpoint();
rendezvousPoller.eventOccurred(
new PendingContactRemovedEvent(pendingContact.getId()));
@@ -238,7 +237,7 @@ public class RendezvousPollerImplTest extends BrambleMockTestCase {
context.assertIsSatisfied();
// Add the pending contact - endpoint should be created and polled
expectAddUnexpiredPendingContact(beforeExpiry);
expectAddPendingContact(beforeExpiry, WAITING_FOR_CONNECTION);
expectDeriveRendezvousKey();
expectCreateEndpoint();
@@ -260,10 +259,7 @@ public class RendezvousPollerImplTest extends BrambleMockTestCase {
// Run the poll task - pending contact expires, endpoint is closed
expectPendingContactExpires(afterExpiry);
context.checking(new Expectations() {{
oneOf(rendezvousEndpoint).close();
}});
expectCloseEndpoint();
capturePollTask.get().run();
context.assertIsSatisfied();
@@ -289,7 +285,7 @@ public class RendezvousPollerImplTest extends BrambleMockTestCase {
context.assertIsSatisfied();
// Add the pending contact - no endpoints should be created yet
expectAddUnexpiredPendingContact(beforeExpiry);
expectAddPendingContact(beforeExpiry, OFFLINE);
expectDeriveRendezvousKey();
rendezvousPoller.eventOccurred(
@@ -299,14 +295,14 @@ public class RendezvousPollerImplTest extends BrambleMockTestCase {
// Enable the transport - endpoint should be created
expectGetPlugin();
expectCreateEndpoint();
expectStateChangedEvent(WAITING_FOR_CONNECTION);
rendezvousPoller.eventOccurred(new TransportEnabledEvent(transportId));
context.assertIsSatisfied();
// Disable the transport - endpoint should be closed
context.checking(new Expectations() {{
oneOf(rendezvousEndpoint).close();
}});
expectCloseEndpoint();
expectStateChangedEvent(OFFLINE);
rendezvousPoller.eventOccurred(new TransportDisabledEvent(transportId));
context.assertIsSatisfied();
@@ -482,13 +478,14 @@ public class RendezvousPollerImplTest extends BrambleMockTestCase {
return capturePollTask;
}
private void expectAddUnexpiredPendingContact(long now) {
private void expectAddPendingContact(long now,
PendingContactState initialState) {
context.checking(new Expectations() {{
oneOf(clock).currentTimeMillis();
will(returnValue(now));
oneOf(eventBus).broadcast(with(new PredicateMatcher<>(
PendingContactStateChangedEvent.class, e ->
e.getPendingContactState() == WAITING_FOR_CONNECTION)));
e.getPendingContactState() == initialState)));
}});
}
@@ -546,7 +543,7 @@ public class RendezvousPollerImplTest extends BrambleMockTestCase {
will(returnValue(now));
oneOf(eventBus).broadcast(with(new PredicateMatcher<>(
PendingContactStateChangedEvent.class, e ->
e.getPendingContactState() == WAITING_FOR_CONNECTION)));
e.getPendingContactState() == OFFLINE)));
// Capture the poll task
oneOf(scheduler).scheduleAtFixedRate(with(any(Runnable.class)),
with(POLLING_INTERVAL_MS), with(POLLING_INTERVAL_MS),
@@ -576,4 +573,10 @@ public class RendezvousPollerImplTest extends BrambleMockTestCase {
e.getPendingContactState() == state)));
}});
}
private void expectCloseEndpoint() throws Exception {
context.checking(new Expectations() {{
oneOf(rendezvousEndpoint).close();
}});
}
}

5
briar-android/src/main/java/org/briarproject/briar/android/contact/add/remote/PendingContactViewHolder.java
View File

@@ -52,6 +52,11 @@ class PendingContactViewHolder extends ViewHolder {
.getColor(status.getContext(), R.color.briar_yellow);
status.setText(R.string.waiting_for_contact_to_come_online);
break;
case OFFLINE:
color = ContextCompat
.getColor(status.getContext(), R.color.briar_yellow);
status.setText("");
break;
case CONNECTING:
status.setText(R.string.connecting);
break;

1
briar-headless/README.md
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@@ -131,6 +131,7 @@ This will return a JSON array of pending contacts and their states:
The state can be one of these values:
* `waiting_for_connection`
* `offline`
* `connecting`
* `adding_contact`
* `failed`

1
briar-headless/src/main/java/org/briarproject/briar/headless/contact/OutputPendingContact.kt
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@@ -16,6 +16,7 @@ internal fun PendingContact.output() = JsonDict(
internal fun PendingContactState.output() = when(this) {
WAITING_FOR_CONNECTION -> "waiting_for_connection"
OFFLINE -> "offline"
CONNECTING -> "connecting"
ADDING_CONTACT -> "adding_contact"
FAILED -> "failed"