public void TestSequenceMap()
{
var map = new SequenceMap();
Assert.AreEqual(0, map.GetCheckpointedSequence());
Assert.AreEqual(null, map.GetCheckpointedValue());
Assert.IsTrue(map.IsEmpty());
Assert.AreEqual(1, map.AddValue("one"));
Assert.AreEqual(0, map.GetCheckpointedSequence());
Assert.AreEqual(null, map.GetCheckpointedValue());
Assert.IsTrue(!map.IsEmpty());
Assert.AreEqual(2, map.AddValue("two"));
Assert.AreEqual(0, map.GetCheckpointedSequence());
Assert.AreEqual(null, map.GetCheckpointedValue());
Assert.AreEqual(3, map.AddValue("three"));
Assert.AreEqual(0, map.GetCheckpointedSequence());
Assert.AreEqual(null, map.GetCheckpointedValue());
map.RemoveSequence(2);
Assert.AreEqual(0, map.GetCheckpointedSequence());
Assert.AreEqual(null, map.GetCheckpointedValue());
map.RemoveSequence(1);
Assert.AreEqual(2, map.GetCheckpointedSequence());
Assert.AreEqual("two", map.GetCheckpointedValue());
Assert.AreEqual(4, map.AddValue("four"));
Assert.AreEqual(2, map.GetCheckpointedSequence());
Assert.AreEqual("two", map.GetCheckpointedValue());
map.RemoveSequence(3);
Assert.AreEqual(3, map.GetCheckpointedSequence());
Assert.AreEqual("three", map.GetCheckpointedValue());
map.RemoveSequence(4);
Assert.AreEqual(4, map.GetCheckpointedSequence());
Assert.AreEqual("four", map.GetCheckpointedValue());
Assert.IsTrue(map.IsEmpty());
}
/// <summary>Process a bunch of remote revisions from the _changes feed at once</summary>
internal override void ProcessInbox(RevisionList inbox)
{
Debug.Assert(inbox != null);
// Ask the local database which of the revs are not known to it:
//Log.w(Database.TAG, String.format("%s: Looking up %s", this, inbox));
var lastInboxSequence = ((PulledRevision)inbox[inbox.Count - 1]).GetRemoteSequenceID
();
var total = ChangesCount - inbox.Count;
if (!LocalDatabase.FindMissingRevisions(inbox))
{
Log.W(Tag, string.Format("{0} failed to look up local revs", this));
inbox = null;
}
//introducing this to java version since inbox may now be null everywhere
var inboxCount = 0;
if (inbox != null)
{
inboxCount = inbox.Count;
}
ChangesCount = total + inboxCount;
if (inboxCount == 0)
{
// Nothing to do. Just bump the lastSequence.
Log.W(Tag, string.Format("{0} no new remote revisions to fetch", this));
var seq = pendingSequences.AddValue(lastInboxSequence);
pendingSequences.RemoveSequence(seq);
LastSequence = pendingSequences.GetCheckpointedValue();
return;
}
Log.V(Tag, this + " fetching " + inboxCount + " remote revisions...");
//Log.v(Database.TAG, String.format("%s fetching remote revisions %s", this, inbox));
// Dump the revs into the queue of revs to pull from the remote db:
lock (locker) {
if (revsToPull == null)
{
revsToPull = new AList <RevisionInternal> (200);
}
for (int i = 0; i < inbox.Count; i++)
{
var rev = (PulledRevision)inbox [i];
// FIXME add logic here to pull initial revs in bulk
rev.SetSequence(pendingSequences.AddValue(rev.GetRemoteSequenceID()));
revsToPull.AddItem(rev);
}
}
PullRemoteRevisions();
}
internal override void BeginReplicating()
{
Log.To.Sync.I(TAG, "{2} will use MaxOpenHttpConnections({0}), MaxRevsToGetInBulk({1})",
ReplicationOptions.MaxOpenHttpConnections,
ReplicationOptions.MaxRevsToGetInBulk,
this);
if (_downloadsToInsert == null)
{
const int capacity = INBOX_CAPACITY * 2;
TimeSpan delay = TimeSpan.FromSeconds(1);
_downloadsToInsert = new Batcher <RevisionInternal>(WorkExecutor, capacity, delay, InsertDownloads);
}
if (_pendingSequences == null)
{
_pendingSequences = new SequenceMap();
if (LastSequence != null)
{
// Prime _pendingSequences so its checkpointedValue will reflect the last known seq:
var seq = _pendingSequences.AddValue(LastSequence);
_pendingSequences.RemoveSequence(seq);
Debug.Assert((_pendingSequences.GetCheckpointedValue().Equals(LastSequence)));
}
}
_caughtUp = false;
StartChangeTracker();
}
internal override void BeginReplicating()
{
Log.D(TAG, string.Format("Using MaxOpenHttpConnections({0}), MaxRevsToGetInBulk({1})",
ManagerOptions.Default.MaxOpenHttpConnections, ManagerOptions.Default.MaxRevsToGetInBulk));
if (_downloadsToInsert == null)
{
const int capacity = INBOX_CAPACITY * 2;
const int delay = 1000;
_downloadsToInsert = new Batcher <RevisionInternal>(WorkExecutor, capacity, delay, InsertDownloads);
}
if (_pendingSequences == null)
{
_pendingSequences = new SequenceMap();
if (LastSequence != null)
{
// Prime _pendingSequences so its checkpointedValue will reflect the last known seq:
var seq = _pendingSequences.AddValue(LastSequence);
_pendingSequences.RemoveSequence(seq);
Debug.Assert((_pendingSequences.GetCheckpointedValue().Equals(LastSequence)));
}
}
StartChangeTracker();
}
internal override void BeginReplicating()
{
Log.D(Tag, string.Format("Using MaxOpenHttpConnections({0}), MaxRevsToGetInBulk({1})",
ManagerOptions.Default.MaxOpenHttpConnections, ManagerOptions.Default.MaxRevsToGetInBulk));
if (downloadsToInsert == null)
{
const int capacity = 200;
const int delay = 1000;
downloadsToInsert = new Batcher <RevisionInternal> (WorkExecutor, capacity, delay, InsertDownloads);
}
if (pendingSequences == null)
{
pendingSequences = new SequenceMap();
if (LastSequence != null)
{
// Prime _pendingSequences so its checkpointedValue will reflect the last known seq:
var seq = pendingSequences.AddValue(LastSequence);
pendingSequences.RemoveSequence(seq);
Debug.Assert((pendingSequences.GetCheckpointedValue().Equals(LastSequence)));
}
}
Log.D(Tag, "starting ChangeTracker with since = " + LastSequence);
var mode = Continuous
? ChangeTrackerMode.LongPoll
: ChangeTrackerMode.OneShot;
changeTracker = new ChangeTracker(RemoteUrl, mode, LastSequence, true, this, WorkExecutor);
changeTracker.Authenticator = Authenticator;
if (Filter != null)
{
changeTracker.SetFilterName(Filter);
if (FilterParams != null)
{
changeTracker.SetFilterParams(FilterParams.ToDictionary(kvp => kvp.Key, kvp => (Object)kvp.Value));
}
}
if (!continuous)
{
Log.D(Tag, "BeginReplicating() calling asyncTaskStarted()");
AsyncTaskStarted();
}
changeTracker.UsePost = CheckServerCompatVersion("0.93");
changeTracker.Start();
}
public override void BeginReplicating()
{
if (downloadsToInsert == null)
{
int capacity = 200;
int delay = 1000;
downloadsToInsert = new Batcher <RevisionInternal>(workExecutor, capacity, delay,
new _BatchProcessor_131(this));
}
if (pendingSequences == null)
{
pendingSequences = new SequenceMap();
if (GetLastSequence() != null)
{
// Prime _pendingSequences so its checkpointedValue will reflect the last known seq:
long seq = pendingSequences.AddValue(GetLastSequence());
pendingSequences.RemoveSequence(seq);
System.Diagnostics.Debug.Assert((pendingSequences.GetCheckpointedValue().Equals(GetLastSequence
())));
}
}
Log.W(Log.TagSync, "%s: starting ChangeTracker with since=%s", this, lastSequence
);
changeTracker = new ChangeTracker(remote, continuous ? ChangeTracker.ChangeTrackerMode
.LongPoll : ChangeTracker.ChangeTrackerMode.OneShot, true, lastSequence, this);
changeTracker.SetAuthenticator(GetAuthenticator());
Log.W(Log.TagSync, "%s: started ChangeTracker %s", this, changeTracker);
if (filterName != null)
{
changeTracker.SetFilterName(filterName);
if (filterParams != null)
{
changeTracker.SetFilterParams(filterParams);
}
}
changeTracker.SetDocIDs(documentIDs);
changeTracker.SetRequestHeaders(requestHeaders);
if (!continuous)
{
Log.V(Log.TagSync, "%s | %s: beginReplicating() calling asyncTaskStarted()", this
, Sharpen.Thread.CurrentThread());
AsyncTaskStarted();
}
changeTracker.SetUsePOST(ServerIsSyncGatewayVersion("0.93"));
changeTracker.Start();
}
/// <summary>Process a bunch of remote revisions from the _changes feed at once</summary>
internal override void ProcessInbox(RevisionList inbox)
{
if (!online)
{
Log.V(Tag, "Offline, so skipping inbox process");
return;
}
Debug.Assert(inbox != null);
if (!canBulkGet)
{
canBulkGet = CheckServerCompatVersion("0.81");
}
// Ask the local database which of the revs are not known to it:
var lastInboxSequence = ((PulledRevision)inbox[inbox.Count - 1]).GetRemoteSequenceID();
var numRevisionsRemoved = 0;
try {
// findMissingRevisions is the local equivalent of _revs_diff. it looks at the
// array of revisions in inbox and removes the ones that already exist. So whatever's left in inbox
// afterwards are the revisions that need to be downloaded.
numRevisionsRemoved = LocalDatabase.FindMissingRevisions(inbox);
} catch (Exception e) {
Log.E(Tag, "Failed to look up local revs", e);
inbox = null;
}
//introducing this to java version since inbox may now be null everywhere
var inboxCount = 0;
if (inbox != null)
{
inboxCount = inbox.Count;
}
if (numRevisionsRemoved > 0)
{
Log.V(Tag, "processInbox() setting changesCount to: " + (ChangesCount - numRevisionsRemoved));
SafeAddToChangesCount(-numRevisionsRemoved);
}
if (inboxCount == 0)
{
// Nothing to do. Just bump the lastSequence.
Log.W(Tag, string.Format("{0} no new remote revisions to fetch", this));
var seq = pendingSequences.AddValue(lastInboxSequence);
pendingSequences.RemoveSequence(seq);
LastSequence = pendingSequences.GetCheckpointedValue();
return;
}
Log.V(Tag, "fetching " + inboxCount + " remote revisions...");
// Dump the revs into the queue of revs to pull from the remote db:
lock (locker) {
int numBulked = 0;
for (int i = 0; i < inbox.Count; i++)
{
var rev = (PulledRevision)inbox [i];
//TODO: add support for rev isConflicted
if (canBulkGet || (rev.GetGeneration() == 1 && !rev.IsDeleted()))
{
// &&!rev.isConflicted)
//optimistically pull 1st-gen revs in bulk
if (bulkRevsToPull == null)
{
bulkRevsToPull = new List <RevisionInternal>(100);
}
bulkRevsToPull.AddItem(rev);
++numBulked;
}
else
{
QueueRemoteRevision(rev);
}
rev.SetSequence(pendingSequences.AddValue(rev.GetRemoteSequenceID()));
}
}
PullRemoteRevisions();
}
protected internal override void ProcessInbox(RevisionList inbox)
{
if (canBulkGet == null)
{
canBulkGet = ServerIsSyncGatewayVersion("0.81");
}
// Ask the local database which of the revs are not known to it:
string lastInboxSequence = ((PulledRevision)inbox[inbox.Count - 1]).GetRemoteSequenceID
();
int numRevisionsRemoved = 0;
try
{
// findMissingRevisions is the local equivalent of _revs_diff. it looks at the
// array of revisions in ‘inbox’ and removes the ones that already exist. So whatever’s left in ‘inbox’
// afterwards are the revisions that need to be downloaded.
numRevisionsRemoved = db.FindMissingRevisions(inbox);
}
catch (SQLException e)
{
Log.E(Log.TagSync, string.Format("%s failed to look up local revs", this), e);
inbox = null;
}
//introducing this to java version since inbox may now be null everywhere
int inboxCount = 0;
if (inbox != null)
{
inboxCount = inbox.Count;
}
if (numRevisionsRemoved > 0)
{
Log.V(Log.TagSync, "%s: processInbox() setting changesCount to: %s", this, GetChangesCount
() - numRevisionsRemoved);
// May decrease the changesCount, to account for the revisions we just found out we don’t need to get.
AddToChangesCount(-1 * numRevisionsRemoved);
}
if (inboxCount == 0)
{
// Nothing to do. Just bump the lastSequence.
Log.W(Log.TagSync, "%s no new remote revisions to fetch", this);
long seq = pendingSequences.AddValue(lastInboxSequence);
pendingSequences.RemoveSequence(seq);
SetLastSequence(pendingSequences.GetCheckpointedValue());
return;
}
Log.V(Log.TagSync, "%s: fetching %s remote revisions...", this, inboxCount);
// Dump the revs into the queue of revs to pull from the remote db:
lock (this)
{
int numBulked = 0;
for (int i = 0; i < inbox.Count; i++)
{
PulledRevision rev = (PulledRevision)inbox[i];
//TODO: add support for rev isConflicted
if (canBulkGet || (rev.GetGeneration() == 1 && !rev.IsDeleted()))
{
// &&!rev.isConflicted)
//optimistically pull 1st-gen revs in bulk
if (bulkRevsToPull == null)
{
bulkRevsToPull = new AList <RevisionInternal>(100);
}
bulkRevsToPull.AddItem(rev);
++numBulked;
}
else
{
QueueRemoteRevision(rev);
}
rev.SetSequence(pendingSequences.AddValue(rev.GetRemoteSequenceID()));
}
}
PullRemoteRevisions();
}