public MessagesPostprocessor(SearchAllOccurencesParams searchParams, LJTraceSource trace)
{
this.bulkProcessing = searchParams.Filters.StartBulkProcessing(
MessageTextGetters.Get(searchParams.SearchInRawText),
reverseMatchDirection: false);
this.filteringTime = new Stopwatch();
this.tid = Thread.CurrentThread.ManagedThreadId;
this.trace = trace;
}
bool IAsyncLogProviderCommandHandler.RunSynchronously(CommandContext ctx)
{
if (ctx.Cache == null)
{
return(false);
}
if (continuationToken != null)
{
return(false); // only reader knows how to handle its continuation tokens
}
if (!ctx.Stats.PositionsRange.Equals(ctx.Cache.MessagesRange))
{
return(false); // speed up only fully cached logs. partial optimization isn't noticeable.
}
var elapsed = Stopwatch.StartNew();
using (var preprocessedSearchOptions = searchParams.Filters.StartBulkProcessing(
messageTextGetter: MessageTextGetters.Get(searchParams.SearchInRawText),
reverseMatchDirection: false,
timeboxedMatching: true
))
foreach (var loadedMsg in ((IMessagesCollection)ctx.Cache.Messages).Forward(0, int.MaxValue))
{
if (elapsed.ElapsedMilliseconds > 500)
{
return(false);
}
var msg = loadedMsg.Message;
if (searchParams.FromPosition != null && msg.Position < searchParams.FromPosition)
{
continue;
}
var rslt = preprocessedSearchOptions.ProcessMessage(msg, null);
if (rslt.Action == FilterAction.Exclude)
{
continue;
}
if (!callback(new SearchResultMessage(msg.Clone(), rslt)))
{
break;
}
}
return(true);
}