internal EasFolderSyncState GetPersistedSyncState(SyncContentsManifestState syncBlob)
{
if (syncBlob.Data != null)
{
return(EasFolderSyncState.Deserialize(syncBlob.Data));
}
return(new EasFolderSyncState
{
SyncKey = "0",
CrawlerSyncKey = "0"
});
}
List <MessageRec> ISourceFolder.EnumerateMessagesPaged(int maxPageSize)
{
SyncContentsManifestState syncContentsManifestState = base.Mailbox.SyncState[base.EntryId];
EasFolderSyncState persistedSyncState = base.Mailbox.GetPersistedSyncState(syncContentsManifestState);
if (string.IsNullOrEmpty(this.nextEnumerateKey))
{
this.nextEnumerateKey = persistedSyncState.CrawlerSyncKey;
}
else
{
persistedSyncState.CrawlerSyncKey = this.nextEnumerateKey;
persistedSyncState.CrawlerDeletions.AddRange(this.pendingDeletes);
syncContentsManifestState.Data = persistedSyncState.Serialize();
}
EasSyncOptions options = new EasSyncOptions
{
SyncKey = this.nextEnumerateKey,
RecentOnly = false,
MaxNumberOfMessage = maxPageSize
};
EasSyncResult easSyncResult = base.SyncMessages(base.Mailbox.CrawlerConnectionWrapper, options);
if (this.estimatedItemCount == 0)
{
options.SyncKey = easSyncResult.SyncKeyRequested;
this.estimatedItemCount = base.GetItemEstimate(base.Mailbox.CrawlerConnectionWrapper, options);
}
if (easSyncResult.MessageRecs.Count == 0)
{
return(null);
}
this.nextEnumerateKey = easSyncResult.NewSyncKey;
List <MessageRec> list = new List <MessageRec>(easSyncResult.MessageRecs.Count);
foreach (MessageRec messageRec in easSyncResult.MessageRecs)
{
if (persistedSyncState.ChangesSynced == null || !(messageRec.CreationTimestamp < persistedSyncState.ChangesSynced.Value) || !(messageRec.CreationTimestamp > persistedSyncState.ChangesSynced.Value - EasRequestGenerator.RecentSyncTimeSpan))
{
if (EasSourceFolder.FindMessageCategory(messageRec) == EasMessageCategory.Delete)
{
this.pendingDeletes.Add(EasMailbox.GetStringId(messageRec.EntryId));
}
else
{
list.Add(messageRec);
}
}
}
return(list);
}
private byte[] CreateCalendarEvent(byte[] calendarEventId, byte[] folderEntryId, Event theEvent, IList <Event> exceptionalEvents, IList <string> deletedOccurrences)
{
SyncContentsManifestState syncContentsManifestState = this.SyncState[folderEntryId];
EasFolderSyncState persistedSyncState = base.GetPersistedSyncState(syncContentsManifestState);
string newSyncKey = null;
byte[] result = this.CreateItem(calendarEventId, folderEntryId, (string itemClientId, string syncKey, string serverId) => this.EasConnectionWrapper.CreateCalendarEvent(itemClientId, syncKey, out newSyncKey, serverId, theEvent, exceptionalEvents, deletedOccurrences, this.EasAuthenticationParameters.UserSmtpAddress));
if (newSyncKey != null)
{
persistedSyncState.SyncKey = newSyncKey;
syncContentsManifestState.Data = persistedSyncState.Serialize();
}
return(result);
}
FolderChangesManifest ISourceFolder.EnumerateChanges(EnumerateContentChangesFlags flags, int maxChanges)
{
FolderChangesManifest folderChangesManifest = base.CreateInitializedChangesManifest();
SyncContentsManifestState syncContentsManifestState = base.Mailbox.SyncState[base.EntryId];
EasFolderSyncState persistedSyncState = base.Mailbox.GetPersistedSyncState(syncContentsManifestState);
string syncKey = persistedSyncState.SyncKey;
EasSyncOptions options = new EasSyncOptions
{
SyncKey = syncKey,
RecentOnly = true,
MaxNumberOfMessage = 512
};
EasSyncResult easSyncResult = base.SyncMessages(base.Mailbox.EasConnectionWrapper, options);
List <MessageRec> messageRecs = easSyncResult.MessageRecs;
this.EnumerateIncrementalChanges(folderChangesManifest, messageRecs);
this.MergePendingDeletes(folderChangesManifest, persistedSyncState.CrawlerDeletions);
persistedSyncState.SyncKey = easSyncResult.NewSyncKey;
persistedSyncState.ChangesSynced = new DateTime?(DateTime.UtcNow);
persistedSyncState.CrawlerDeletions.Clear();
syncContentsManifestState.Data = persistedSyncState.Serialize();
return(folderChangesManifest);
}
