IList<MessageModel> GetSyncMessages()
{
// during cloning, someone could modify it and break the enumerator
lock (MessageBuffer) {
if (MessageBuffer.Count == 0) {
return new List<MessageModel>(0);
}
if (MessagesSyncCount <= 0) {
return new List<MessageModel>(MessageBuffer);
} else {
var offset = MessageBuffer.Count - MessagesSyncCount;
if (offset < 0) {
offset = 0;
}
return MessageBuffer.GetRange(offset, MessagesSyncCount);
}
}
}
