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ain2

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ain2 - npm Package Compare versions

Comparing version 1.4.0 to 1.5.0

3

CHANGELOG.md
# CHANGELOG
## v1.5.0
* Bubble up callbacks from udp and unix socket up to the caller
## v1.4.0

@@ -5,0 +8,0 @@

104

index.js

@@ -87,3 +87,3 @@ var dgram = require('dgram');

var Transport = {
UDP: function(message, severity) {
UDP: function(message, severity, callback) {
var self = this;

@@ -97,2 +97,6 @@ var syslogMessage = this.composerFunction(message, severity);

function(err, bytes) {
if(callback){
console.log(callback);
callback(err, bytes);
}
self._logError(err, bytes);

@@ -103,3 +107,3 @@ releaseSocket();

},
unix_dgram: function(message, severity){
unix_dgram: function(message, severity, callback){
var self = this;

@@ -128,2 +132,5 @@ var preambleBuffer = self.composerFunction('', severity);

function(err, bytes){
if(callback){
callback(err, bytes);
}
self._logError(err, bytes);

@@ -171,14 +178,16 @@ releaseSocket();

/**
* Just copy from node.js console
* @param f
* Internal message formatting method
* @param args [format, arg1, arg2, ...]
* @returns
*/
function format(f) {
function format(args) {
var util = require('util'),
i = 0;
i = 0,
f = args[0];
// inspect the object if no format string was given as the first argument
if (typeof f !== 'string') {
var objects = [];
for (i = 0; i < arguments.length; i++) {
objects.push(util.inspect(arguments[i]));
for (i = 0; i < args.length; i++) {
objects.push(util.inspect(args[i]));
}

@@ -190,3 +199,2 @@ return objects.join(' ');

i = 1;
var args = arguments;
var str = String(f).replace(formatRegExp, function(x) {

@@ -327,4 +335,4 @@ switch (x) {

*/
SysLogger.prototype._send = function(message, severity) {
this.transport(message, severity) ;
SysLogger.prototype._send = function(message, severity, callback) {
this.transport(message, severity, callback) ;
};

@@ -337,10 +345,24 @@

*/
SysLogger.prototype.send = function(message, severity) {
severity = severity || Severity.notice;
SysLogger.prototype.send = function(message, severity, callback) {
if (typeof severity == 'string'){
severity = Severity[severity];
}
this._send(message, severity);
this._send(message, severity, callback);
};
SysLogger.prototype.formatAndSend = function(argumentsObject, severity) {
var args = Array.prototype.slice.call(argumentsObject);
var callback = undefined;
var message = undefined;
if(Object.prototype.toString.call(args[args.length - 1]) == "[object Function]"){
callback = args.pop();
}
this._send(format(args), severity, callback);
};
/**

@@ -350,3 +372,3 @@ * Send log message with notice severity.

SysLogger.prototype.log = function() {
this._send(format.apply(this, arguments), Severity.notice);
this.formatAndSend(arguments, Severity.notice);
};

@@ -357,3 +379,3 @@ /**

SysLogger.prototype.info = function() {
this._send(format.apply(this, arguments), Severity.info);
this.formatAndSend(arguments, Severity.info);
};

@@ -364,3 +386,3 @@ /**

SysLogger.prototype.warn = function() {
this._send(format.apply(this, arguments), Severity.warn);
this.formatAndSend(arguments, Severity.warn);
};

@@ -371,3 +393,3 @@ /**

SysLogger.prototype.error = function() {
this._send(format.apply(this, arguments), Severity.err);
this.formatAndSend(arguments, Severity.err);
};

@@ -378,19 +400,9 @@ /**

SysLogger.prototype.debug = function() {
this._send(format.apply(this, arguments), Severity.debug);
this.formatAndSend(arguments, Severity.debug);
};
/**
* Compose syslog message
*/
SysLogger.prototype.composeSyslogMessage = function(message, severity) {
return new Buffer('<' + (this.facility * 8 + severity) + '>' +
this.getDate() + ' ' + this.hostname + ' ' +
this.tag + '[' + process.pid + ']:' + message);
}
/**
* Log object with `util.inspect` with notice severity
*/
SysLogger.prototype.dir = function(object) {
SysLogger.prototype.dir = function(object, callback) {
var util = require('util');

@@ -400,11 +412,3 @@ this._send(util.inspect(object) + '\n', Severity.notice);

SysLogger.prototype.time = function(label) {
this._times[label] = Date.now();
};
SysLogger.prototype.timeEnd = function(label) {
var duration = Date.now() - this._times[label];
this.log('%s: %dms', label, duration);
};
SysLogger.prototype.trace = function(label) {
SysLogger.prototype.trace = function(label, callback) {
var err = new Error();

@@ -414,3 +418,3 @@ err.name = 'Trace';

Error.captureStackTrace(err, arguments.callee);
this.error(err.stack);
this.error(err.stack, callback);
};

@@ -421,7 +425,25 @@

var arr = Array.prototype.slice.call(arguments, 1);
this._send(format.apply(this, arr), Severity.err);
this._send(format(arr), Severity.err);
}
};
/**
* Compose syslog message
*/
SysLogger.prototype.composeSyslogMessage = function(message, severity) {
return new Buffer('<' + (this.facility * 8 + severity) + '>' +
this.getDate() + ' ' + this.hostname + ' ' +
this.tag + '[' + process.pid + ']:' + message);
}
SysLogger.prototype.time = function(label) {
this._times[label] = Date.now();
};
SysLogger.prototype.timeEnd = function(label) {
var duration = Date.now() - this._times[label];
this.log('%s: %dms', label, duration);
};
/**
* Get current date in syslog format.

@@ -428,0 +450,0 @@ * @returns {String}

2

package.json
{
"name": "ain2",
"description": "Syslog logging for node.js. Continuation of ain",
"version": "1.4.0",
"version": "1.5.0",
"main": "./index",

@@ -6,0 +6,0 @@ "author": "Alexander Dorofeev <aka.spin@gmail.com>",

67

readme.md
# ain*
Brain-free [syslog](http://en.wikipedia.org/wiki/Syslog)** logging for
Brain-free [syslog](http://en.wikipedia.org/wiki/Syslog)** logging for
[node.js](http://nodejs.org).
*Ain* is written with full compatibility with *node.js* `console` module. It
implements all `console` functions and formatting. Also *ain* supports UTF-8
*Ain* is written with full compatibility with *node.js* `console` module. It
implements all `console` functions and formatting. Also *ain* supports UTF-8
(tested on Debian Testing/Sid).
*Ain* can send messages by UDP to `127.0.0.1:514` or to the a unix socket;
*Ain* can send messages by UDP to `127.0.0.1:514` or to the a unix socket;
/dev/log on Linux and /var/run/syslog on Mac OS X. Unix socket support is possible if [unix-dgram](https://npmjs.org/package/unix-dgram) can be built and installed.

@@ -16,3 +16,3 @@

**All examples tested under Ubuntu `rsyslog`. On other operating
**All examples tested under Ubuntu `rsyslog`. On other operating
systems and logging daemons settings and paths may differ.

@@ -22,3 +22,3 @@

You can install *ain* as usual - by copy the "ain" directory in your
You can install *ain* as usual - by copy the "ain" directory in your
`~/.node_modules` or via *npm*

@@ -30,3 +30,3 @@

Usage of *ain* is very similar to the *node.js* console. The following example
Usage of *ain* is very similar to the *node.js* console. The following example
demonstrates the replacement of the console:

@@ -36,7 +36,7 @@

var console = new SysLogger();
console.log('notice: %d', Date.now());
console.info('info');
console.error('error');
After launch in `/var/log/user` you can see the following:

@@ -62,3 +62,3 @@

require('ain2').getInstance();
If you use this, please be beware of this:

@@ -68,3 +68,3 @@

=> true
As opposed to:

@@ -75,3 +75,3 @@

=> false
## Changing destinations

@@ -94,7 +94,7 @@

logger.warn('some warning');
... and in `/var/log/daemon.log`:
Dec 5 07:08:58 devhost node-test-app[10045]: some warning
The `set` function takes one argument, a configuration object which can contain the following keys:

@@ -111,6 +111,6 @@ * tag - defaults to __filename

`tag` and `hostname` arguments is just *RFC 3164* `TAG` and `HOSTNAME` of
`tag` and `hostname` arguments is just *RFC 3164* `TAG` and `HOSTNAME` of
your messages.
`facility` is little more than just name. Refer to *Section 4.1.1* of
`facility` is little more than just name. Refer to *Section 4.1.1* of
[RFC 3164](http://www.faqs.org/rfcs/rfc3164.html) it can be:

@@ -142,4 +142,4 @@

logger.set({tag: 'node-test-app', facility: 'daemon'});
Also you can set `TAG`, `Facility`, `HOSTNAME`, `PORT`, and `transport` separately by `setTag`,
Also you can set `TAG`, `Facility`, `HOSTNAME`, `PORT`, and `transport` separately by `setTag`,
`setFacility`, `setHostname`, `setPort`, `setTransport` and `setMessageComposer` functions. All of them are chainable too.

@@ -154,2 +154,19 @@

## Callbacks
Ain provides an optional callback after a message has been sent to the socket (udp and unix socket).
The callback is passed up unaltered from [node.](http://nodejs.org/api/dgram.html#dgram_socket_send_buf_offset_length_port_address_callback)
Because ain supports a simplified printf format, the callback has to be the last parameter.
var SysLogger = require('ain2');
var console = new SysLogger();
console.info('info', function(err, bytes){
// callback received
});
console.log('notice: %d', Date.now(), function(err, bytes){
// callback received
});
## Custom message composer

@@ -165,3 +182,3 @@

//The default implementation looks this:

@@ -172,3 +189,3 @@

return new Buffer('<' + (this.facility * 8 + severity) + '>' +
this.getDate() + ' ' + this.hostname + ' ' +
this.getDate() + ' ' + this.hostname + ' ' +
this.tag + '[' + process.pid + ']:' + message);

@@ -179,3 +196,3 @@ }

As noticed before *ain* implements all `console` functions. Severity level is
As noticed before *ain* implements all `console` functions. Severity level is
referenced to [RFC 3164](http://www.faqs.org/rfcs/rfc3164.html):

@@ -194,4 +211,4 @@

*Ain* `console`-like functions behaviour is fully compatible to *node.js* and
logs messages with different severity levels:
*Ain* `console`-like functions behaviour is fully compatible to *node.js* and
logs messages with different severity levels:

@@ -210,4 +227,4 @@ * `log` - notice (5)

logger.send('message', 'alert');
The `send` function takes two arguments: message and optional severity level. By
The `send` function takes two arguments: message and optional severity level. By
default, the severity level is *notice*.

@@ -214,0 +231,0 @@

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