110 lines
2.7 KiB
JavaScript
110 lines
2.7 KiB
JavaScript
"use strict";
|
|
var layouts = require("../layouts")
|
|
, mailer = require("nodemailer")
|
|
, os = require('os')
|
|
, async = require('async')
|
|
, unsentCount = 0
|
|
, shutdownTimeout;
|
|
|
|
/**
|
|
* SMTP Appender. Sends logging events using SMTP protocol.
|
|
* It can either send an email on each event or group several
|
|
* logging events gathered during specified interval.
|
|
*
|
|
* @param config appender configuration data
|
|
* config.sendInterval time between log emails (in seconds), if 0
|
|
* then every event sends an email
|
|
* config.shutdownTimeout time to give up remaining emails (in seconds; defaults to 5).
|
|
* @param layout a function that takes a logevent and returns a string (defaults to basicLayout).
|
|
*/
|
|
function smtpAppender(config, layout) {
|
|
layout = layout || layouts.basicLayout;
|
|
var subjectLayout = layouts.messagePassThroughLayout;
|
|
var sendInterval = config.sendInterval*1000 || 0;
|
|
|
|
var logEventBuffer = [];
|
|
var sendTimer;
|
|
|
|
shutdownTimeout = ('shutdownTimeout' in config ? config.shutdownTimeout : 5) * 1000;
|
|
|
|
function sendBuffer() {
|
|
if (logEventBuffer.length > 0) {
|
|
|
|
var transport = mailer.createTransport(config.SMTP);
|
|
var firstEvent = logEventBuffer[0];
|
|
var body = "";
|
|
var count = logEventBuffer.length;
|
|
while (logEventBuffer.length > 0) {
|
|
body += layout(logEventBuffer.shift(), config.timezoneOffset) + "\n";
|
|
}
|
|
|
|
var msg = {
|
|
to: config.recipients,
|
|
subject: config.subject || subjectLayout(firstEvent),
|
|
headers: { "Hostname": os.hostname() }
|
|
};
|
|
|
|
if (!config.html) {
|
|
msg.text = body;
|
|
} else {
|
|
msg.html = body;
|
|
}
|
|
|
|
if (config.sender) {
|
|
msg.from = config.sender;
|
|
}
|
|
transport.sendMail(msg, function(error, success) {
|
|
if (error) {
|
|
console.error("log4js.smtpAppender - Error happened", error);
|
|
}
|
|
transport.close();
|
|
unsentCount -= count;
|
|
});
|
|
}
|
|
}
|
|
|
|
function scheduleSend() {
|
|
if (!sendTimer) {
|
|
sendTimer = setTimeout(function() {
|
|
sendTimer = null;
|
|
sendBuffer();
|
|
}, sendInterval);
|
|
}
|
|
}
|
|
|
|
return function(loggingEvent) {
|
|
unsentCount++;
|
|
logEventBuffer.push(loggingEvent);
|
|
if (sendInterval > 0) {
|
|
scheduleSend();
|
|
} else {
|
|
sendBuffer();
|
|
}
|
|
};
|
|
}
|
|
|
|
function configure(config) {
|
|
var layout;
|
|
if (config.layout) {
|
|
layout = layouts.layout(config.layout.type, config.layout);
|
|
}
|
|
return smtpAppender(config, layout);
|
|
}
|
|
|
|
function shutdown(cb) {
|
|
if (shutdownTimeout > 0) {
|
|
setTimeout(function() { unsentCount = 0; }, shutdownTimeout);
|
|
}
|
|
async.whilst(function() {
|
|
return unsentCount > 0;
|
|
}, function(done) {
|
|
setTimeout(done, 100);
|
|
}, cb);
|
|
}
|
|
|
|
exports.name = "smtp";
|
|
exports.appender = smtpAppender;
|
|
exports.configure = configure;
|
|
exports.shutdown = shutdown;
|
|
|