public MultiThreadedStrategy(ILogMedia media, Encoding encoding, IRegex headerRe,
MessagesSplitterFlags splitterFlags, TextStreamPositioningParams textStreamPositioningParams,
string parentLoggingPrefix, ITraceSourceFactory traceSourceFactory)
: this(media, encoding, headerRe, splitterFlags, false, textStreamPositioningParams, parentLoggingPrefix, traceSourceFactory)
{
BytesToParsePerThread = GetBytesToParsePerThread(textStreamPositioningParams);
}
public MessagesSplitter(ITextAccess textAccess, IRegex messageHeaderRe, MessagesSplitterFlags flags = MessagesSplitterFlags.Default)
: base()
{
if (textAccess == null)
{
throw new ArgumentNullException(nameof(textAccess));
}
if (messageHeaderRe == null)
{
throw new ArgumentNullException(nameof(messageHeaderRe));
}
if ((messageHeaderRe.Options & ReOptions.RightToLeft) != 0)
{
throw new ArgumentException("Header regular expression must not be RightToLeft");
}
if (textAccess.MaximumSequentialAdvancesAllowed < 3)
{
throw new ArgumentException("ITextAccess implementation must allow 3 or more sequential advances", "textAccess");
}
this.textAccess = textAccess;
this.forwardModeRe = messageHeaderRe;
this.bufferLengthThreshold = 0;
if ((flags & MessagesSplitterFlags.PreventBufferUnderflow) != 0)
{
this.bufferLengthThreshold = textAccess.AverageBufferLength / 4;
}
}
public MessagesSplitterFlags GetHeaderReSplitterFlags()
{
var headerRe = this;
MessagesSplitterFlags ret = MessagesSplitterFlags.None;
if (headerRe.SuffersFromPartialMatchProblem)
{
ret |= MessagesSplitterFlags.PreventBufferUnderflow;
}
return(ret);
}
internal MultiThreadedStrategy(ILogMedia media, Encoding encoding, IRegex headerRe, MessagesSplitterFlags splitterFlags,
bool useMockThreading, TextStreamPositioningParams textStreamPositioningParams, string parentLoggingPrefix, ITraceSourceFactory traceSourceFactory)
: base(media, encoding, headerRe, textStreamPositioningParams)
{
if (parentLoggingPrefix != null)
{
this.tracer = traceSourceFactory.CreateTraceSource("LogSource", string.Format("{0}.mts_{1:x4}", parentLoggingPrefix, Hashing.GetShortHashCode(this.GetHashCode())));
}
this.streamDataPool = new ThreadSafeObjectPool <Byte[]>(pool =>
{
var ret = new Byte[BytesToParsePerThread];
tracer.Info("Allocating new piece of stream data: {0:x8}", ret.GetHashCode());
return(ret);
});
this.outputBuffersPool = new ThreadSafeObjectPool <List <PostprocessedMessage> >(pool =>
{
var ret = new List <PostprocessedMessage>(1024 * 8);
tracer.Info("Allocating new output buffer: {0:x8}", ret.GetHashCode());
return(ret);
});
this.useMockThreading = useMockThreading;
this.splitterFlags = splitterFlags;
}
internal MultiThreadedStrategy(ILogMedia media, Encoding encoding, IRegex headerRe, MessagesSplitterFlags splitterFlags, bool useMockThreading, TextStreamPositioningParams textStreamPositioningParams)
: base(media, encoding, headerRe, textStreamPositioningParams)
{
this.streamDataPool = new ThreadSafeObjectPool <Byte[]>(pool =>
{
var ret = new Byte[BytesToParsePerThread];
tracer.Info("Allocating new piece of stream data: {0}", ret.GetHashCode());
return(ret);
});
this.outputBuffersPool = new ThreadSafeObjectPool <List <PostprocessedMessage> >(pool =>
{
var ret = new List <PostprocessedMessage>(1024 * 8);
tracer.Info("Allocating new output buffer: {0}", ret.GetHashCode());
return(ret);
});
this.useMockThreading = useMockThreading;
this.splitterFlags = splitterFlags;
}
public MultiThreadedStrategy(ILogMedia media, Encoding encoding, IRegex headerRe, MessagesSplitterFlags splitterFlags, TextStreamPositioningParams textStreamPositioningParams)
: this(media, encoding, headerRe, splitterFlags, false, textStreamPositioningParams)
{
BytesToParsePerThread = GetBytesToParsePerThread(textStreamPositioningParams);
}
public SingleThreadedStrategy(ILogMedia media, Encoding encoding, IRegex headerRe, MessagesSplitterFlags splitterFlags, TextStreamPositioningParams textStreamPositioningParams)
: base(media, encoding, headerRe, textStreamPositioningParams)
{
this.textSplitter = new ReadMessageFromTheMiddleProblem(new MessagesSplitter(new StreamTextAccess(media.DataStream, encoding, textStreamPositioningParams), headerRe, splitterFlags));
}
