| // 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. |
| |
| var fs = require('fs'); |
| var util = require('util'); |
| |
| var noop = function() {}; |
| |
| module.exports = {}; |
| module.exports.log = noop; |
| module.exports.debug = noop; |
| module.exports.info = noop; |
| module.exports.warn = noop; |
| module.exports.error = noop; |
| |
| var LOG_PATH = '/tmp/couchjs.log'; |
| var stat = null; |
| var LOG = null; |
| |
| try { |
| stat = fs.statSync(LOG_PATH); |
| } catch(er) {} |
| |
| if (stat) { |
| LOG = fs.createWriteStream(LOG_PATH, { |
| 'flags':'a' |
| }); |
| |
| var log = function () { |
| var str = util.format.apply(this, arguments); |
| LOG.write(str + '\n'); |
| }; |
| |
| var on_err = function (er) { |
| module.exports.error('Uncaught error:\n%s', er.stack || er.message || JSON.stringify(er)); |
| |
| if (er.stack) { |
| er = ['fatal', 'unknown_error', er.stack]; |
| } |
| |
| process.stdout.write(JSON.stringify(er) + '\n'); |
| process.exit(1); |
| }; |
| |
| module.exports.log = log; |
| module.exports.debug = log; |
| module.exports.info = log; |
| module.exports.warn = log; |
| module.exports.error = log; |
| |
| process.on('exit', function() { |
| module.exports.log('Exit %d', process.pid); |
| }); |
| |
| process.on('uncaughtException', on_err); |
| } |
| |