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Merge branch 'master' of https://github.com/nomiddlename/log4js-node

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flush-on-exit
Gareth Jones 12 years ago
parent af6ae7af98 ab8c7ed89d
commit 18e21ca473
5 changed files with 221 additions and 108 deletions
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48
examples/example-connect-logger.js
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@ -1,14 +1,46 @@
var log4js = require('./lib/log4js');
log4js.addAppender(log4js.fileAppender('cheese.log'), 'cheese');
//The connect/express logger was added to log4js by danbell. This allows connect/express servers to log using log4js.
//https://github.com/nomiddlename/log4js-node/wiki/Connect-Logger
var logger = log4js.getLogger('cheese');
logger.setLevel('INFO');
// load modules
var log4js = require('log4js');
var express = require("express");
var app = express();
var app = require('express').createServer();
//config
log4js.configure({
appenders: [
{ type: 'console' },
{ type: 'file', filename: 'logs/log4jsconnect.log', category: 'log4jslog' }
]
});
//define logger
var logger = log4js.getLogger('log4jslog');
// set at which time msg is logged print like: only on error & above
// logger.setLevel('ERROR');
//express app
app.configure(function() {
app.use(log4js.connectLogger(logger, { level: log4js.levels.INFO }));
app.use(express.favicon(''));
// app.use(log4js.connectLogger(logger, { level: log4js.levels.INFO }));
// app.use(log4js.connectLogger(logger, { level: 'auto', format: ':method :url :status' }));
//### AUTO LEVEL DETECTION
//http responses 3xx, level = WARN
//http responses 4xx & 5xx, level = ERROR
//else.level = INFO
app.use(log4js.connectLogger(logger, { level: 'auto' }));
});
app.get('*', function(req,res) {
res.send('hello world\n <a href="/cheese">cheese</a>\n');
//route
app.get('/', function(req,res) {
res.send('hello world');
});
//start app
app.listen(5000);
console.log('server runing at localhost:5000');
console.log('Simulation of normal response: goto localhost:5000');
console.log('Simulation of error response: goto localhost:5000/xxx');

188
lib/connect-logger.js
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@ -5,7 +5,7 @@ var levels = require("./levels");
* Options:
*
* - `format` Format string, see below for tokens
* - `level` A log4js levels instance.
* - `level` A log4js levels instance. Supports also 'auto'
*
* Tokens:
*
@ -26,64 +26,74 @@ var levels = require("./levels");
* @api public
*/
function getLogger(logger4js, options) {
if ('object' == typeof options) {
options = options || {};
} else if (options) {
options = { format: options };
} else {
options = {};
}
function getLogger(logger4js, options) {
if ('object' == typeof options) {
options = options || {};
} else if (options) {
options = { format: options };
} else {
options = {};
}
var thislogger = logger4js
, level = levels.toLevel(options.level, levels.INFO)
, fmt = options.format || ':remote-addr - - ":method :url HTTP/:http-version" :status :content-length ":referrer" ":user-agent"'
, nolog = options.nolog ? createNoLogCondition(options.nolog) : null;
var thislogger = logger4js
, level = levels.toLevel(options.level, levels.INFO)
, fmt = options.format || ':remote-addr - - ":method :url HTTP/:http-version" :status :content-length ":referrer" ":user-agent"'
, nolog = options.nolog ? createNoLogCondition(options.nolog) : null;
return function (req, res, next) {
return function (req, res, next) {
// mount safety
if (req._logging) return next();
// nologs
if (nolog && nolog.test(req.originalUrl)) return next();
if (thislogger.isLevelEnabled(level)) {
var start = +new Date
, statusCode
, writeHead = res.writeHead
, end = res.end
, url = req.originalUrl;
// flag as logging
req._logging = true;
// proxy for statusCode.
res.writeHead = function(code, headers){
res.writeHead = writeHead;
res.writeHead(code, headers);
res.__statusCode = statusCode = code;
res.__headers = headers || {};
};
// proxy end to output a line to the provided logger.
res.end = function(chunk, encoding) {
res.end = end;
res.end(chunk, encoding);
res.responseTime = +new Date - start;
if ('function' == typeof fmt) {
var line = fmt(req, res, function(str){ return format(str, req, res); });
if (line) thislogger.log(level, line);
} else {
thislogger.log(level, format(fmt, req, res));
// nologs
if (nolog && nolog.test(req.originalUrl)) return next();
if (thislogger.isLevelEnabled(level) || options.level === 'auto') {
var start = +new Date
, statusCode
, writeHead = res.writeHead
, end = res.end
, url = req.originalUrl;
// flag as logging
req._logging = true;
// proxy for statusCode.
res.writeHead = function(code, headers){
res.writeHead = writeHead;
res.writeHead(code, headers);
res.__statusCode = statusCode = code;
res.__headers = headers || {};
//status code response level handling
if(options.level === 'auto'){
level = levels.INFO;
if(code >= 300) level = levels.WARN;
if(code >= 400) level = levels.ERROR;
} else {
level = levels.toLevel(options.level, levels.INFO)
}
};
// proxy end to output a line to the provided logger.
res.end = function(chunk, encoding) {
res.end = end;
res.end(chunk, encoding);
res.responseTime = +new Date - start;
if (thislogger.isLevelEnabled(level)) {
if (typeof fmt === 'function') {
var line = fmt(req, res, function(str){ return format(str, req, res); });
if (line) thislogger.log(level, line);
} else {
thislogger.log(level, format(fmt, req, res));
}
}
};
}
};
}
//ensure next gets always called
next();
};
};
}
/**
@ -96,25 +106,25 @@ function getLogger(logger4js, options) {
* @api private
*/
function format(str, req, res) {
return str
.replace(':url', req.originalUrl)
function format(str, req, res) {
return str
.replace(':url', req.originalUrl)
.replace(':method', req.method)
.replace(':status', res.__statusCode || res.statusCode)
.replace(':response-time', res.responseTime)
.replace(':date', new Date().toUTCString())
.replace(':referrer', req.headers['referer'] || req.headers['referrer'] || '')
.replace(':http-version', req.httpVersionMajor + '.' + req.httpVersionMinor)
.replace(':remote-addr', req.socket && (req.socket.remoteAddress || (req.socket.socket && req.socket.socket.remoteAddress)))
.replace(':user-agent', req.headers['user-agent'] || '')
.replace(':content-length', (res._headers && res._headers['content-length']) || (res.__headers && res.__headers['Content-Length']) || '-')
.replace(/:req\[([^\]]+)\]/g, function(_, field){ return req.headers[field.toLowerCase()]; })
.replace(/:res\[([^\]]+)\]/g, function(_, field){
return res._headers
? (res._headers[field.toLowerCase()] || res.__headers[field])
: (res.__headers && res.__headers[field]);
});
}
.replace(':status', res.__statusCode || res.statusCode)
.replace(':response-time', res.responseTime)
.replace(':date', new Date().toUTCString())
.replace(':referrer', req.headers['referer'] || req.headers['referrer'] || '')
.replace(':http-version', req.httpVersionMajor + '.' + req.httpVersionMinor)
.replace(':remote-addr', req.socket && (req.socket.remoteAddress || (req.socket.socket && req.socket.socket.remoteAddress)))
.replace(':user-agent', req.headers['user-agent'] || '')
.replace(':content-length', (res._headers && res._headers['content-length']) || (res.__headers && res.__headers['Content-Length']) || '-')
.replace(/:req\[([^\]]+)\]/g, function(_, field){ return req.headers[field.toLowerCase()]; })
.replace(/:res\[([^\]]+)\]/g, function(_, field){
return res._headers
? (res._headers[field.toLowerCase()] || res.__headers[field])
: (res.__headers && res.__headers[field]);
});
}
/**
* Return RegExp Object about nolog
@ -143,26 +153,26 @@ function format(str, req, res) {
* 3.1 ["\\.jpg$", "\\.png", "\\.gif"]
* SAME AS "\\.jpg|\\.png|\\.gif"
*/
function createNoLogCondition(nolog, type) {
if(!nolog) return null;
type = type || '';
if(nolog instanceof RegExp){
if(type === 'string')
return nolog.source;
return nolog;
} else if(typeof nolog === 'string'){
if(type === 'string')
return nolog;
try{
return new RegExp(nolog);
} catch (ex) {
return null;
}
} else if(nolog instanceof Array){
var regexps = nolog.map(function(o){ return createNoLogCondition(o, 'string')});
return new RegExp(regexps.join('|'));
}
}
function createNoLogCondition(nolog, type) {
if(!nolog) return null;
type = type || '';
if(nolog instanceof RegExp){
if(type === 'string')
return nolog.source;
return nolog;
} else if(typeof nolog === 'string'){
if(type === 'string')
return nolog;
try{
return new RegExp(nolog);
} catch (ex) {
return null;
}
} else if(nolog instanceof Array){
var regexps = nolog.map(function(o){ return createNoLogCondition(o, 'string')});
return new RegExp(regexps.join('|'));
}
}
exports.connectLogger = getLogger;
exports.connectLogger = getLogger;

32
lib/streams/DateRollingFileStream.js
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@ -24,13 +24,15 @@ function DateRollingFileStream(filename, pattern, options, now) {
this.now = now || Date.now;
this.lastTimeWeWroteSomething = format.asString(this.pattern, new Date(this.now()));
this.baseFilename = filename;
this.alwaysIncludePattern = false;
if (options) {
if (options.alwaysIncludePattern) {
filename = filename + this.lastTimeWeWroteSomething;
this.alwaysIncludePattern = true;
filename = this.baseFilename + this.lastTimeWeWroteSomething;
}
delete options.alwaysIncludePattern;
if (options === {}) {
if (Object.keys(options).length === 0) {
options = null;
}
}
@ -53,18 +55,26 @@ DateRollingFileStream.prototype.shouldRoll = function() {
};
DateRollingFileStream.prototype.roll = function(filename, callback) {
var that = this,
newFilename = this.baseFilename + this.previousTime;
var that = this;
debug("Starting roll");
async.series([
this.closeTheStream.bind(this),
deleteAnyExistingFile,
renameTheCurrentFile,
this.openTheStream.bind(this)
], callback);
if (this.alwaysIncludePattern) {
this.filename = this.baseFilename + this.lastTimeWeWroteSomething;
async.series([
this.closeTheStream.bind(this),
this.openTheStream.bind(this)
], callback);
} else {
var newFilename = this.baseFilename + this.previousTime;
async.series([
this.closeTheStream.bind(this),
deleteAnyExistingFile,
renameTheCurrentFile,
this.openTheStream.bind(this)
], callback);
}
function deleteAnyExistingFile(cb) {
//on windows, you can get a EEXIST error if you rename a file to an existing file
//so, we'll try to delete the file we're renaming to first

4
test/dateFileAppender-test.js
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@ -113,6 +113,7 @@ vows.describe('../lib/appenders/dateFile').addBatch({
]
}
, thisTime = format.asString(options.appenders[0].pattern, new Date());
fs.writeFileSync(path.join(__dirname, 'date-file-test' + thisTime), "this is existing data" + require('os').EOL, 'utf8');
log4js.clearAppenders();
log4js.configure(options);
logger = log4js.getLogger('tests');
@ -122,6 +123,9 @@ vows.describe('../lib/appenders/dateFile').addBatch({
},
'should create file with the correct pattern': function(contents) {
assert.include(contents, 'this should be written to the file with the appended date');
},
'should not overwrite the file on open (bug found in issue #132)': function(contents) {
assert.include(contents, 'this is existing data');
}
}

57
test/streams/DateRollingFileStream-test.js
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@ -125,6 +125,63 @@ vows.describe('DateRollingFileStream').addBatch({
}
}
}
},
'with alwaysIncludePattern': {
topic: function() {
var that = this,
testTime = new Date(2012, 8, 12, 0, 10, 12),
stream = new DateRollingFileStream(__dirname + '/test-date-rolling-file-stream-pattern', '.yyyy-MM-dd', {alwaysIncludePattern: true}, now);
stream.write("First message\n", 'utf8', function() {
that.callback(null, stream);
});
},
teardown: cleanUp(__dirname + '/test-date-rolling-file-stream-pattern.2012-09-12'),
'should create a file with the pattern set': {
topic: function(stream) {
fs.readFile(__dirname + '/test-date-rolling-file-stream-pattern.2012-09-12', this.callback);
},
'file should contain first message': function(result) {
assert.equal(result.toString(), "First message\n");
}
},
'when the day changes': {
topic: function(stream) {
testTime = new Date(2012, 8, 13, 0, 10, 12);
stream.write("Second message\n", 'utf8', this.callback);
},
teardown: cleanUp(__dirname + '/test-date-rolling-file-stream-pattern.2012-09-13'),
'the number of files': {
topic: function() {
fs.readdir(__dirname, this.callback);
},
'should be two': function(files) {
assert.equal(files.filter(function(file) { return file.indexOf('test-date-rolling-file-stream-pattern') > -1; }).length, 2);
}
},
'the file with the later date': {
topic: function() {
fs.readFile(__dirname + '/test-date-rolling-file-stream-pattern.2012-09-13', this.callback);
},
'should contain the second message': function(contents) {
assert.equal(contents.toString(), "Second message\n");
}
},
'the file with the date': {
topic: function() {
fs.readFile(__dirname + '/test-date-rolling-file-stream-pattern.2012-09-12', this.callback);
},
'should contain the first message': function(contents) {
assert.equal(contents.toString(), "First message\n");
}
}
}
}
}).exportTo(module);

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