internal override void BeginReplicating()
{
Log.D(Tag, "beginReplicating() called");
// If we're still waiting to create the remote db, do nothing now. (This method will be
// re-invoked after that request finishes; see maybeCreateRemoteDB() above.)
if (creatingTarget)
{
Log.D(Tag, "creatingTarget == true, doing nothing");
return;
}
pendingSequences = new SortedSet <long>();
try
{
maxPendingSequence = Int64.Parse(LastSequence);
}
catch (Exception e)
{
Log.W(Tag, "Error converting lastSequence: " + LastSequence + " to long. Using 0");
maxPendingSequence = 0;
}
if (Filter != null)
{
filter = LocalDatabase.GetFilter(Filter);
}
if (Filter != null && filter == null)
{
Log.W(Tag, string.Format("{0}: No ReplicationFilter registered for filter '{1}'; ignoring"
, this, Filter));
}
// Process existing changes since the last push:
long lastSequenceLong = 0;
if (LastSequence != null)
{
lastSequenceLong = long.Parse(LastSequence);
}
var options = new ChangesOptions();
options.SetIncludeConflicts(true);
var changes = LocalDatabase.ChangesSince(lastSequenceLong, options, filter);
if (changes.Count > 0)
{
Batcher.QueueObjects(changes);
Batcher.Flush();
}
// Now listen for future changes (in continuous mode):
if (continuous)
{
observing = true;
LocalDatabase.Changed += OnChanged;
}
}
public override void BeginReplicating()
{
Log.D(Log.TagSync, "%s: beginReplicating() called", this);
// If we're still waiting to create the remote db, do nothing now. (This method will be
// re-invoked after that request finishes; see maybeCreateRemoteDB() above.)
if (creatingTarget)
{
Log.D(Log.TagSync, "%s: creatingTarget == true, doing nothing", this);
return;
}
pendingSequences = Sharpen.Collections.SynchronizedSortedSet(new TreeSet <long>());
try
{
maxPendingSequence = long.Parse(lastSequence);
}
catch (FormatException)
{
Log.W(Log.TagSync, "Error converting lastSequence: %s to long. Using 0", lastSequence
);
maxPendingSequence = System.Convert.ToInt64(0);
}
if (filterName != null)
{
filter = db.GetFilter(filterName);
}
if (filterName != null && filter == null)
{
Log.W(Log.TagSync, "%s: No ReplicationFilter registered for filter '%s'; ignoring"
, this, filterName);
}
// Process existing changes since the last push:
long lastSequenceLong = 0;
if (lastSequence != null)
{
lastSequenceLong = long.Parse(lastSequence);
}
ChangesOptions options = new ChangesOptions();
options.SetIncludeConflicts(true);
RevisionList changes = db.ChangesSince(lastSequenceLong, options, filter);
if (changes.Count > 0)
{
batcher.QueueObjects(changes);
batcher.Flush();
}
// Now listen for future changes (in continuous mode):
if (continuous)
{
observing = true;
db.AddChangeListener(this);
}
}
public override void BeginReplicating()
{
// If we're still waiting to create the remote db, do nothing now. (This method will be
// re-invoked after that request finishes; see maybeCreateRemoteDB() above.)
Log.D(Database.Tag, this + "|" + Sharpen.Thread.CurrentThread() + ": beginReplicating() called"
);
if (creatingTarget)
{
Log.D(Database.Tag, this + "|" + Sharpen.Thread.CurrentThread() + ": creatingTarget == true, doing nothing"
);
return;
}
else
{
Log.D(Database.Tag, this + "|" + Sharpen.Thread.CurrentThread() + ": creatingTarget != true, continuing"
);
}
if (filterName != null)
{
filter = db.GetFilter(filterName);
}
if (filterName != null && filter == null)
{
Log.W(Database.Tag, string.Format("%s: No ReplicationFilter registered for filter '%s'; ignoring"
, this, filterName));
}
// Process existing changes since the last push:
long lastSequenceLong = 0;
if (lastSequence != null)
{
lastSequenceLong = long.Parse(lastSequence);
}
ChangesOptions options = new ChangesOptions();
options.SetIncludeConflicts(true);
RevisionList changes = db.ChangesSince(lastSequenceLong, options, filter);
if (changes.Count > 0)
{
batcher.QueueObjects(changes);
batcher.Flush();
}
// Now listen for future changes (in continuous mode):
if (continuous)
{
observing = true;
db.AddChangeListener(this);
Log.D(Database.Tag, this + "|" + Sharpen.Thread.CurrentThread() + ": pusher.beginReplicating() calling asyncTaskStarted()"
);
AsyncTaskStarted();
}
}
internal override void BeginReplicating()
{
Log.D(Tag, "beginReplicating() called");
// If we're still waiting to create the remote db, do nothing now. (This method will be
// re-invoked after that request finishes; see maybeCreateRemoteDB() above.)
if (creatingTarget)
{
Log.D(Tag, "creatingTarget == true, doing nothing");
return;
}
pendingSequences = new SortedDictionary <long, int>();
try
{
maxPendingSequence = Int64.Parse(LastSequence);
}
catch (Exception e)
{
Log.W(Tag, "Error converting lastSequence: " + LastSequence + " to long. Using 0");
maxPendingSequence = 0;
}
if (Filter != null)
{
filter = LocalDatabase.GetFilter(Filter);
}
else
{
// If not filter function was provided, but DocIds were
// specified, then only push the documents listed in the
// DocIds property. It is assumed that if the users
// specified both a filter name and doc ids that their
// custom filter function will handle that. This is
// consistent with the iOS behavior.
if (DocIds != null && DocIds.Any())
{
filter = (rev, filterParams) => DocIds.Contains(rev.Document.Id);
}
}
if (Filter != null && filter == null)
{
Log.W(Tag, string.Format("{0}: No ReplicationFilter registered for filter '{1}'; ignoring", this, Filter));
}
// Process existing changes since the last push:
long lastSequenceLong = 0;
if (LastSequence != null)
{
lastSequenceLong = long.Parse(LastSequence);
}
var options = new ChangesOptions();
options.SetIncludeConflicts(true);
var changes = LocalDatabase.ChangesSince(lastSequenceLong, options, filter);
if (changes.Count > 0)
{
Batcher.QueueObjects(changes);
Batcher.Flush();
}
// Now listen for future changes (in continuous mode):
if (continuous)
{
observing = true;
LocalDatabase.Changed += OnChanged;
}
}
/// <summary>
/// Returns a sorted list of changes made to documents in the database, in time order of application.
/// </summary>
/// <returns>The response state for further HTTP processing</returns>
/// <param name="context">The context of the Couchbase Lite HTTP request</param>
/// <remarks>
/// http://docs.couchdb.org/en/latest/api/database/changes.html#get--db-_changes
/// <remarks>
public static ICouchbaseResponseState GetChanges(ICouchbaseListenerContext context)
{
DBMonitorCouchbaseResponseState responseState = new DBMonitorCouchbaseResponseState();
var responseObject = PerformLogicWithDatabase(context, true, db =>
{
var response = context.CreateResponse();
responseState.Response = response;
if (context.ChangesFeedMode < ChangesFeedMode.Continuous)
{
if (context.CacheWithEtag(db.LastSequenceNumber.ToString()))
{
response.InternalStatus = StatusCode.NotModified;
return(response);
}
}
var options = new ChangesOptions();
responseState.Db = db;
responseState.ContentOptions = context.ContentOptions;
responseState.ChangesFeedMode = context.ChangesFeedMode;
responseState.ChangesIncludeDocs = context.GetQueryParam <bool>("include_docs", bool.TryParse, false);
options.SetIncludeDocs(responseState.ChangesIncludeDocs);
responseState.ChangesIncludeConflicts = context.GetQueryParam("style") == "all_docs";
options.SetIncludeConflicts(responseState.ChangesIncludeConflicts);
options.SetContentOptions(context.ContentOptions);
options.SetSortBySequence(!options.IsIncludeConflicts());
options.SetLimit(context.GetQueryParam <int>("limit", int.TryParse, options.GetLimit()));
int since = context.GetQueryParam <int>("since", int.TryParse, 0);
string filterName = context.GetQueryParam("filter");
if (filterName != null)
{
Status status = new Status();
responseState.ChangesFilter = db.GetFilter(filterName, status);
if (responseState.ChangesFilter == null)
{
return(context.CreateResponse(status.Code));
}
responseState.FilterParams = context.GetQueryParams();
}
RevisionList changes = db.ChangesSince(since, options, responseState.ChangesFilter, responseState.FilterParams);
if ((context.ChangesFeedMode >= ChangesFeedMode.Continuous) ||
(context.ChangesFeedMode == ChangesFeedMode.LongPoll && changes.Count == 0))
{
// Response is going to stay open (continuous, or hanging GET):
response.Chunked = true;
if (context.ChangesFeedMode == ChangesFeedMode.EventSource)
{
response["Content-Type"] = "text/event-stream; charset=utf-8";
}
if (context.ChangesFeedMode >= ChangesFeedMode.Continuous)
{
response.WriteHeaders();
foreach (var rev in changes)
{
response.SendContinuousLine(ChangesDictForRev(rev, responseState), context.ChangesFeedMode);
}
}
responseState.SubscribeToDatabase(db);
string heartbeatParam = context.GetQueryParam("heartbeat");
if (heartbeatParam != null)
{
int heartbeat;
if (!int.TryParse(heartbeatParam, out heartbeat) || heartbeat <= 0)
{
responseState.IsAsync = false;
return(context.CreateResponse(StatusCode.BadParam));
}
heartbeat = Math.Min(heartbeat, MIN_HEARTBEAT);
string heartbeatResponse = context.ChangesFeedMode == ChangesFeedMode.EventSource ? "\n\n" : "\r\n";
responseState.StartHeartbeat(heartbeatResponse, heartbeat);
}
return(context.CreateResponse());
}
else
{
if (responseState.ChangesIncludeConflicts)
{
response.JsonBody = new Body(ResponseBodyForChanges(changes, since, options.GetLimit(), responseState));
}
else
{
response.JsonBody = new Body(ResponseBodyForChanges(changes, since, responseState));
}
return(response);
}
});
responseState.Response = responseObject;
return(responseState);
}
