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Merge branch 'remote-transport-properties' into 'master'

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Store transport properties received by other means

We may receive transport properties while adding a contact, before the first sync connection is made. Store them in the group shared with the contact, flagged as remote properties in the metadata, but don't share them with the contact. Use a version number of zero so any properties synced from the contact will supersede them.

See merge request !92
This commit is contained in:
akwizgran
2016-02-03 16:13:34 +00:00
parent f92f1908f5 9e1000c1b3
commit 9a9d94e1c9
2 changed files with 38 additions and 10 deletions
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8
briar-api/src/org/briarproject/api/properties/TransportPropertyManager.java
View File

@@ -1,5 +1,6 @@
package org.briarproject.api.properties;
import org.briarproject.api.DeviceId;
import org.briarproject.api.TransportId;
import org.briarproject.api.contact.ContactId;
import org.briarproject.api.db.DbException;
@@ -8,6 +9,13 @@ import java.util.Map;
public interface TransportPropertyManager {
/**
* Stores the given properties received while adding a contact - they will
* be superseded by any properties synced from the contact.
*/
void addRemoteProperties(ContactId c, DeviceId dev,
Map<TransportId, TransportProperties> props) throws DbException;
/** Returns the local transport properties for all transports. */
Map<TransportId, TransportProperties> getLocalProperties()
throws DbException;

40
briar-core/src/org/briarproject/properties/TransportPropertyManagerImpl.java
View File

@@ -103,8 +103,10 @@ class TransportPropertyManagerImpl implements TransportPropertyManager,
// Copy the latest local properties into the group
DeviceId dev = db.getDeviceId();
Map<TransportId, TransportProperties> local = getLocalProperties();
for (Entry<TransportId, TransportProperties> e : local.entrySet())
storeMessage(g.getId(), dev, e.getKey(), e.getValue(), 0);
for (Entry<TransportId, TransportProperties> e : local.entrySet()) {
storeMessage(g.getId(), dev, e.getKey(), e.getValue(), 1, true,
true);
}
} catch (DbException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
} catch (FormatException e) {
@@ -121,16 +123,16 @@ class TransportPropertyManagerImpl implements TransportPropertyManager,
}
private void storeMessage(GroupId g, DeviceId dev, TransportId t,
TransportProperties p, long version) throws DbException,
IOException {
TransportProperties p, long version, boolean local, boolean shared)
throws DbException, IOException {
byte[] body = encodeProperties(dev, t, p, version);
long now = clock.currentTimeMillis();
Message m = messageFactory.createMessage(g, now, body);
BdfDictionary d = new BdfDictionary();
d.put("transportId", t.getString());
d.put("version", version);
d.put("local", true);
db.addLocalMessage(m, CLIENT_ID, metadataEncoder.encode(d), true);
d.put("local", local);
db.addLocalMessage(m, CLIENT_ID, metadataEncoder.encode(d), shared);
}
private byte[] encodeProperties(DeviceId dev, TransportId t,
@@ -163,6 +165,23 @@ class TransportPropertyManagerImpl implements TransportPropertyManager,
}
}
@Override
public void addRemoteProperties(ContactId c, DeviceId dev,
Map<TransportId, TransportProperties> props) throws DbException {
lock.writeLock().lock();
try {
Group g = getContactGroup(db.getContact(c));
for (Entry<TransportId, TransportProperties> e : props.entrySet()) {
storeMessage(g.getId(), dev, e.getKey(), e.getValue(), 0, false,
false);
}
} catch (IOException e) {
throw new DbException(e);
} finally {
lock.writeLock().unlock();
}
}
@Override
public Map<TransportId, TransportProperties> getLocalProperties()
throws DbException {
@@ -292,14 +311,15 @@ class TransportPropertyManagerImpl implements TransportPropertyManager,
}
// Store the merged properties in the local group
DeviceId dev = db.getDeviceId();
long version = latest == null ? 0 : latest.version + 1;
storeMessage(localGroup.getId(), dev, t, merged, version);
long version = latest == null ? 1 : latest.version + 1;
storeMessage(localGroup.getId(), dev, t, merged, version, true,
false);
// Store the merged properties in each contact's group
for (Contact c : db.getContacts()) {
Group g = getContactGroup(c);
latest = findLatest(g.getId(), true).get(t);
version = latest == null ? 0 : latest.version + 1;
storeMessage(g.getId(), dev, t, merged, version);
version = latest == null ? 1 : latest.version + 1;
storeMessage(g.getId(), dev, t, merged, version, true, true);
}
} catch (IOException e) {
throw new DbException(e);