scouter.agent.trace.ProfileCollector Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
* @https://github.com/scouter-project/scouter
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package scouter.agent.trace;
import scouter.agent.Configure;
import scouter.agent.netio.data.DataProxy;
import scouter.lang.step.DumpStep;
import scouter.lang.step.Step;
import scouter.lang.step.StepSingle;
public class ProfileCollector implements IProfileCollector {
private Configure conf = Configure.getInstance();
private TraceContext context;
protected Step[] steps = new Step[conf.profile_step_max_count];
protected int pos = 0;
private boolean doingDumpStepJob = false;
public int currentLevel = 0;
public int parentLevel = -1;
public ProfileCollector(TraceContext context) {
this.context = context;
}
/**
* (syn: pushAndSetLevel)
* set the step's level as the current level and increase one level(to deeper level).
* @param stepSingle
*/
public void push(StepSingle stepSingle) {
checkDumpStep();
stepSingle.index = currentLevel;
stepSingle.parent = parentLevel;
parentLevel = currentLevel;
currentLevel++;
}
/**
* (syn: addStep)
* assign a given step to steps[pos++]
* @param stepSingle
*/
protected void process(StepSingle stepSingle) {
checkDumpStep();
steps[pos++] = stepSingle;
if (pos >= steps.length) {
Step[] o = steps;
steps = new Step[conf.profile_step_max_count];
pos = 0;
DataProxy.sendProfile(o, context);
}
}
/**
* (syn: setLevelAndAddStep)
* add a step
* @param stepSingle
*/
public void add(StepSingle stepSingle) {
checkDumpStep();
stepSingle.index = currentLevel;
stepSingle.parent = parentLevel;
currentLevel++;
process(stepSingle);
}
/**
* (syn: pullAndAddStep)
* add the step already leveled and decrease one level(to lower level).
* @param stepSingle
*/
public void pop(StepSingle stepSingle) {
checkDumpStep();
parentLevel = stepSingle.parent;
process(stepSingle);
}
/**
* send the Steps[] data
* @param ok : send the data or not
*/
public void close(boolean ok) {
checkDumpStep();
if (ok && pos > 0) {
StepSingle[] newSteps = new StepSingle[pos];
System.arraycopy(steps, 0, newSteps, 0, pos);
DataProxy.sendProfile(newSteps, context);
}
}
private void checkDumpStep() {
if(doingDumpStepJob) {
return;
}
DumpStep dumpStep;
doingDumpStepJob = true;
while(true) {
dumpStep = context.temporaryDumpSteps.poll();
if(dumpStep == null) {
break;
}
add(dumpStep);
}
doingDumpStepJob = false;
}
}