private IMessageTree MergeTree(BlockingThreadSafeQueue <IMessageTree> trees)
{
int max = MAX_ATOMIC_MESSAGES - 1;
DefaultTransaction tran = new DefaultTransaction("_CatMergeTree", "_CatMergeTree", null);
tran.Status = CatConstants.SUCCESS;
tran.SetCompleted(true);
IMessageTree first;
trees.TryPeek(out first, false);
// Usually this should not happen, because it is in the same thread with ShouldMerge()
if (first == null)
{
return(null);
}
// Set merge tree start time to the first massage's timestamp
tran.Timestamp = first.Message.Timestamp;
long lastTimestamp = 0;
long lastDuration = 0;
int estimatedByteSize = 0;
while (max >= 0)
{
IMessageTree tree;
trees.TryDequeue(out tree, false);
if (tree != null)
{
tran.AddChild(tree.Message);
estimatedByteSize += tree.EstimatedByteSize;
if (first != tree)
{
_messageIdFactory.Reuse(tree.MessageId);
}
lastTimestamp = tree.Message.Timestamp;
if (tree.Message is DefaultTransaction)
{
lastDuration = ((DefaultTransaction)tree.Message).DurationInMillis;
}
else
{
lastDuration = 0;
}
}
if (tree == null || max == 0)
{
// Set merge tree end time to the last massage's end time
tran.DurationInMillis = (lastTimestamp - tran.Timestamp + lastDuration);
break;
}
max--;
}
((DefaultMessageTree)first).Message = tran;
estimatedByteSize += tran.EstimateByteSize();
first.EstimatedByteSize = estimatedByteSize;
return(first);
}
protected internal IMessage DecodeLine(ChannelBuffer buf, ITransaction parent,
Stack <ITransaction> stack, IMessageTree tree)
{
BufferHelper helper = _mBufferHelper;
byte identifier = buf.ReadByte();
String timestamp = helper.Read(buf, TAB);
String type = helper.Read(buf, TAB);
String name = helper.Read(buf, TAB);
if (identifier == 'E')
{
IMessage evt = new DefaultEvent(type, name);
String status = helper.Read(buf, TAB);
String data = helper.ReadRaw(buf, TAB);
helper.Read(buf, LF); // get rid of line feed
evt.Timestamp = _mDateHelper.Parse(timestamp);
evt.Status = status;
evt.AddData(data);
if (parent != null)
{
parent.AddChild(evt);
tree.EstimatedByteSize += evt.EstimateByteSize();
return(parent);
}
return(evt);
}
if (identifier == 'M')
{
DefaultMetric metric = new DefaultMetric(type, name);
String status = helper.Read(buf, TAB);
String data = helper.ReadRaw(buf, TAB);
helper.Read(buf, LF); // get rid of line feed
metric.Timestamp = _mDateHelper.Parse(timestamp);
metric.Status = status;
metric.AddData(data);
if (parent != null)
{
parent.AddChild(metric);
tree.EstimatedByteSize += metric.EstimateByteSize();
return(parent);
}
return(metric);
}
if (identifier == 'H')
{
IMessage heartbeat = new DefaultHeartbeat(type, name);
String status0 = helper.Read(buf, TAB);
String data1 = helper.ReadRaw(buf, TAB);
helper.Read(buf, LF); // get rid of line feed
heartbeat.Timestamp = _mDateHelper.Parse(timestamp);
heartbeat.Status = status0;
heartbeat.AddData(data1);
if (parent != null)
{
parent.AddChild(heartbeat);
tree.EstimatedByteSize += heartbeat.EstimateByteSize();
return(parent);
}
return(heartbeat);
}
if (identifier == 't')
{
IMessage transaction = new DefaultTransaction(type, name,
null);
helper.Read(buf, LF); // get rid of line feed
transaction.Timestamp = _mDateHelper.Parse(timestamp);
if (parent != null)
{
parent.AddChild(transaction);
tree.EstimatedByteSize += transaction.EstimateByteSize();
}
stack.Push(parent);
return(transaction);
}
if (identifier == 'A')
{
ITransaction transaction2 = new DefaultTransaction(type, name, null);
String status3 = helper.Read(buf, TAB);
String duration = helper.Read(buf, TAB);
String data4 = helper.ReadRaw(buf, TAB);
helper.Read(buf, LF); // get rid of line feed
transaction2.Timestamp = _mDateHelper.Parse(timestamp);
transaction2.Status = status3;
transaction2.AddData(data4);
long d = Int64.Parse(duration.Substring(0, duration.Length - 2), NumberStyles.Integer);
transaction2.DurationInMicros = d;
if (parent != null)
{
parent.AddChild(transaction2);
tree.EstimatedByteSize += transaction2.EstimateByteSize();
return(parent);
}
return(transaction2);
}
if (identifier == 'T')
{
String status5 = helper.Read(buf, TAB);
String duration6 = helper.Read(buf, TAB);
String data7 = helper.ReadRaw(buf, TAB);
helper.Read(buf, LF); // get rid of line feed
parent.Status = status5;
parent.AddData(data7);
long d8 = Int64.Parse(
duration6.Substring(0, duration6.Length - 2),
NumberStyles.Integer);
parent.DurationInMicros = d8;
return(stack.Pop());
}
Logger.Error("Unknown identifier(" + identifier + ") of message: " + buf);
// unknown message, ignore it
return(parent);
}