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Interrupt all messaging sessions when the app starts shutting down.

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This makes it more likely that connections will be closed cleanly.
However, the interrupt() method is currently ineffective for incoming
sessions as it won't interrupt a blocking read, e.g. when the packet
reader is waiting for a packet.
This commit is contained in:
akwizgran
2014-11-06 08:24:08 +00:00
parent 852a618cb3
commit 1f4d801162
5 changed files with 22 additions and 3 deletions
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3
briar-core/src/org/briarproject/messaging/DuplexOutgoingSession.java
View File

@@ -30,6 +30,7 @@ import org.briarproject.api.event.MessageToRequestEvent;
import org.briarproject.api.event.RemoteRetentionTimeUpdatedEvent;
import org.briarproject.api.event.RemoteSubscriptionsUpdatedEvent;
import org.briarproject.api.event.RemoteTransportsUpdatedEvent;
import org.briarproject.api.event.ShutdownEvent;
import org.briarproject.api.event.TransportRemovedEvent;
import org.briarproject.api.messaging.Ack;
import org.briarproject.api.messaging.MessagingSession;
@@ -169,6 +170,8 @@ class DuplexOutgoingSession implements MessagingSession, EventListener {
(RemoteTransportsUpdatedEvent) e;
if(r.getContactId().equals(contactId))
dbExecutor.execute(new GenerateTransportAcks());
} else if(e instanceof ShutdownEvent) {
interrupt();
} else if(e instanceof TransportRemovedEvent) {
TransportRemovedEvent t = (TransportRemovedEvent) e;
if(t.getTransportId().equals(transportId)) interrupt();

6
briar-core/src/org/briarproject/messaging/IncomingSession.java
View File

@@ -17,6 +17,7 @@ import org.briarproject.api.event.ContactRemovedEvent;
import org.briarproject.api.event.Event;
import org.briarproject.api.event.EventBus;
import org.briarproject.api.event.EventListener;
import org.briarproject.api.event.ShutdownEvent;
import org.briarproject.api.event.TransportRemovedEvent;
import org.briarproject.api.messaging.Ack;
import org.briarproject.api.messaging.Message;
@@ -108,8 +109,7 @@ class IncomingSession implements MessagingSession, EventListener {
}
public void interrupt() {
// This won't interrupt a blocking read, but the read will throw an
// exception when the transport connection is closed
// FIXME: This won't interrupt a blocking read
interrupted = true;
}
@@ -117,6 +117,8 @@ class IncomingSession implements MessagingSession, EventListener {
if(e instanceof ContactRemovedEvent) {
ContactRemovedEvent c = (ContactRemovedEvent) e;
if(c.getContactId().equals(contactId)) interrupt();
} else if(e instanceof ShutdownEvent) {
interrupt();
} else if(e instanceof TransportRemovedEvent) {
TransportRemovedEvent t = (TransportRemovedEvent) e;
if(t.getTransportId().equals(transportId)) interrupt();

3
briar-core/src/org/briarproject/messaging/SimplexOutgoingSession.java
View File

@@ -21,6 +21,7 @@ import org.briarproject.api.event.ContactRemovedEvent;
import org.briarproject.api.event.Event;
import org.briarproject.api.event.EventBus;
import org.briarproject.api.event.EventListener;
import org.briarproject.api.event.ShutdownEvent;
import org.briarproject.api.event.TransportRemovedEvent;
import org.briarproject.api.messaging.Ack;
import org.briarproject.api.messaging.MessagingSession;
@@ -121,6 +122,8 @@ class SimplexOutgoingSession implements MessagingSession, EventListener {
if(e instanceof ContactRemovedEvent) {
ContactRemovedEvent c = (ContactRemovedEvent) e;
if(c.getContactId().equals(contactId)) interrupt();
} else if(e instanceof ShutdownEvent) {
interrupt();
} else if(e instanceof TransportRemovedEvent) {
TransportRemovedEvent t = (TransportRemovedEvent) e;
if(t.getTransportId().equals(transportId)) interrupt();