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Tim van der Lippe
2a1ede5c26
`manage_node_deps.py` was changed in https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2259834 to add line endings at the end of the package.json file However, `npm run install-deps` was not rerun to add the line endings. To prevent future CLs that add deps to include the line ending changes, fix them in this CL. R=mathias@chromium.org Change-Id: Id4ee0003520c4aa0cb55494cdf64df57e31a86d7 Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2263952 Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org> Commit-Queue: Mathias Bynens <mathias@chromium.org> Auto-Submit: Tim van der Lippe <tvanderlippe@chromium.org> Reviewed-by: Mathias Bynens <mathias@chromium.org>
qjobs
Efficient queue job manager module for nodejs.
Features
- Concurrency limiter
- Dynamic queue, a job can be added while the queue is running
- Optional delay before continuing after max concurrency has been reached
- Support of pause/unpause
- Events emitter based: start, end, sleep, continu, jobStart, jobEnd
- Quick statistic function, so you can know where the queue is, at regular interval
For what it can be usefull ?
Jobs which needs to run in parallels, but in a controled maner, example:
- Network scanners
- Parallels monitoring jobs
- Images/Videos related jobs
Compatibility :
- not tested with nodejs < 0.10
Examples
(take a look at tests directory if you are looking for running samples)
var qjobs = new require('./qjobs');
// My non blocking main job
var myjob = function(args,next) {
setTimeout(function() {
console.log('Do something interesting here',args);
next();
},1000);
}
var q = new qjobs({maxConcurrency:10});
// Let's add 30 job to the queue
for (var i = 0; i<30; i++) {
q.add(myjob,[i,'test '+i]);
}
q.on('start',function() {
console.log('Starting ...');
});
q.on('end',function() {
console.log('... All jobs done');
});
q.on('jobStart',function(args) {
console.log('jobStart',args);
});
q.on('jobEnd',function(args) {
console.log('jobend',args);
// If i'm jobId 10, then make a pause of 5 sec
if (args._jobId == 10) {
q.pause(true);
setTimeout(function() {
q.pause(false);
},5000);
}
});
q.on('pause',function(since) {
console.log('in pause since '+since+' milliseconds');
});
q.on('unpause',function() {
console.log('pause end, continu ..');
});
q.run();
//q.abort() will empty jobs list