mirror of https://github.com/status-im/metro.git
53 lines
1.5 KiB
JavaScript
53 lines
1.5 KiB
JavaScript
|
/**
|
||
|
|
* Copyright (c) 2015-present, Facebook, Inc.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* This source code is licensed under the BSD-style license found in the
|
||
|
|
* LICENSE file in the root directory of this source tree. An additional grant
|
||
|
|
* of patent rights can be found in the PATENTS file in the same directory.
|
||
|
|
*/
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
const exec = require('child_process').exec;
|
||
|
|
const fs = require('fs');
|
||
|
|
const path = require('path');
|
||
|
|
|
||
|
|
module.exports = function(req, res, next) {
|
||
|
|
if (req.url !== '/systrace') {
|
||
|
|
next();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
console.log('Dumping profile information...');
|
||
|
|
var dumpName = '/tmp/dump_' + Date.now() + '.json';
|
||
|
|
var prefix = process.env.TRACE_VIEWER_PATH || '';
|
||
|
|
var cmd = path.join(prefix, 'trace2html') + ' ' + dumpName;
|
||
|
|
fs.writeFileSync(dumpName, req.rawBody);
|
||
|
|
exec(cmd, function(error) {
|
||
|
|
if (error) {
|
||
|
|
if (error.code === 127) {
|
||
|
|
var response = '\n** Failed executing `' + cmd + '` **\n\n' +
|
||
|
|
'Google trace-viewer is required to visualize the data, ' +
|
||
|
|
'You can install it with `brew install trace2html`\n\n' +
|
||
|
|
'NOTE: Your profile data was kept at:\n' + dumpName;
|
||
|
|
console.log(response);
|
||
|
|
res.end(response);
|
||
|
|
} else {
|
||
|
|
console.error(error);
|
||
|
|
res.end('Unknown error: ' + error.message);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
} else {
|
||
|
|
exec('rm ' + dumpName);
|
||
|
|
exec('open ' + dumpName.replace(/json$/, 'html'), function(err) {
|
||
|
|
if (err) {
|
||
|
|
console.error(err);
|
||
|
|
res.end(err.message);
|
||
|
|
} else {
|
||
|
|
res.end();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
};
|