public bool Equals(ImapFolderUids p)
{
// If parameter is null return false:
if ((object)p == null)
{
return(false);
}
// Return true if the fields match:
return((BeginDateUid == p.BeginDateUid) && (UnhandledUidIntervals.SequenceEqual(p.UnhandledUidIntervals)));
}
public bool Equals(ImapFolderUids p)
{
// If parameter is null return false:
if ((object)p == null)
{
return false;
}
// Return true if the fields match:
return (BeginDateUid == p.BeginDateUid) && (UnhandledUidIntervals.SequenceEqual(p.UnhandledUidIntervals));
}
private int LoadMailboxMessage(Mailbox mb,
int folderId,
int maxMessagesPerSession,
string[] tagsNames, out bool quotaErrorFlag)
{
UpdateTimeCheckedIfNeeded();
ImapFolderUids folderUids;
if (!Account.ImapIntervals.TryGetValue(mb.Name, out folderUids))
folderUids = new ImapFolderUids(); // by default - mailbox never was processed before
var imapIntervals = new ImapIntervals(folderUids.UnhandledUidIntervals);
var beginDateUid = folderUids.BeginDateUid;
quotaErrorFlag = false;
int[] tagsIds = null;
var tagsRetrieved = false;
var allUids = mb.UidSearch("1:*").OrderBy(i => i).SkipWhile(i => i < beginDateUid).ToList();
foreach (var uidsInterval in imapIntervals.GetUnhandledIntervalsCopy())
{
cancelToken.ThrowIfCancellationRequested();
if (!mb.SourceClient.IsConnected)
break;
if (maxMessagesPerSession == 0)
break;
var interval = uidsInterval;
var uidsCollection =
allUids.Select(u => u)
.Where(u => u <= interval.To && u >= interval.From)
.OrderByDescending(x => x)
.ToList();
if (!uidsCollection.Any())
{
if (!uidsInterval.IsToUidMax())
imapIntervals.AddHandledInterval(uidsInterval);
continue;
}
var toUid = uidsInterval.IsToUidMax()
? uidsCollection.First()
: Math.Max(uidsInterval.To, uidsCollection.First());
#region Loading messages
foreach (var uid in uidsCollection)
{
var hasParseError = false;
cancelToken.ThrowIfCancellationRequested();
try
{
if (!mb.SourceClient.IsConnected)
{
log.Warn("Imap4-server is disconnected. Skip another messages.");
break;
}
log.Debug("Processing new message\tUID: {0}", uid);
// flags should be retrieved before message fetch - because mail server
// could add seen flag right after message was retrieved by us
var flags = mb.Fetch.UidFlags(uid);
//Peek method didn't set \Seen flag on mail
var message = mb.Fetch.UidMessageObjectPeek(uid);
if (message.HasParseError)
{
log.Error("ActiveUp: message parsed with some errors. MailboxId = {0} Message UID = {1}", Account.MailBoxId, uid);
hasParseError = true;
}
UpdateTimeCheckedIfNeeded();
if (message.Date < Account.BeginDate)
{
log.Debug("Skip message (Date = {0}) on BeginDate = {1}", message.Date, Account.BeginDate);
imapIntervals.SetBeginIndex(toUid);
beginDateUid = toUid;
break;
}
var uniqueIdentifier = string.Format("{0}|{1}|{2}|{3}",
message.From.Email,
message.Subject,
message.DateString,
message.MessageId);
var headerMd5 = uniqueIdentifier.GetMd5();
//Get tags ids for folder before message proccessing only once
if (!tagsRetrieved)
{
tagsIds = tagsNames.Any() ? InvokeOnGetOrCreateTags(tagsNames) : null;
tagsRetrieved = true;
}
var unread = null == flags["seen"];
var uidl = string.Format("{0}-{1}", uid, folderId);
RetrieveMessage(message, folderId, uidl, headerMd5, hasParseError, unread, tagsIds);
}
catch (Exception e)
{
log.Error(
"ProcessMessages() Tenant={0} User='******' Account='{2}', MailboxId={3}, UID={4} Exception:\r\n{5}\r\n",
Account.TenantId, Account.UserId, Account.EMail.Address, Account.MailBoxId,
uid, e);
if (e is IOException || e is MailBoxOutException)
{
maxMessagesPerSession = 0; // stop checking other mailboxes
}
else if (e is TenantQuotaException)
{
quotaErrorFlag = true;
}
if (uid != uidsCollection.First() && uid != toUid)
{
imapIntervals.AddHandledInterval(new UidInterval(uid + 1, toUid));
}
toUid = uid - 1;
if (maxMessagesPerSession == 0)
break;
continue;
}
// after successfully message saving - lets update imap intervals state
imapIntervals.AddHandledInterval(
new UidInterval(
uid == uidsCollection.Last() && uidsInterval.IsFromUidMin() ? uidsInterval.From : uid, toUid));
toUid = uid - 1;
UpdateTimeCheckedIfNeeded();
maxMessagesPerSession--;
if (maxMessagesPerSession != 0) continue;
log.Info("Limit of max messages per session is exceeded!");
break;
}
#endregion
}
var updatedImapFolderUids = new ImapFolderUids(imapIntervals.ToIndexes(), beginDateUid);
if (!Account.ImapIntervals.Keys.Contains(mb.Name))
{
Account.ImapFolderChanged = true;
Account.ImapIntervals.Add(mb.Name, updatedImapFolderUids);
}
else if (Account.ImapIntervals[mb.Name] != updatedImapFolderUids)
{
Account.ImapFolderChanged = true;
Account.ImapIntervals[mb.Name] = updatedImapFolderUids;
}
return maxMessagesPerSession;
}
