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Fetch multiple unsent messages at once to speed up delivery

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This commit is contained in:
Andris Reinman 2016-05-25 18:01:39 +03:00
parent 9a5d723663
commit f29a8a1b67
9 changed files with 184 additions and 77 deletions
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40
services/test-server.js
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@ -3,14 +3,18 @@
let log = require('npmlog');
let config = require('config');
let crypto = require('crypto');
let humanize = require('humanize');
let SMTPServer = require('smtp-server').SMTPServer;
let totalMessages = 0;
let received = 0;
// Setup server
let server = new SMTPServer({
// log to console
logger: false,
logger: config.testserver.logger,
// not required but nice-to-have
banner: 'Welcome to My Awesome SMTP Server',
@ -19,25 +23,18 @@ let server = new SMTPServer({
disabledCommands: ['STARTTLS'],
// By default only PLAIN and LOGIN are enabled
authMethods: ['PLAIN', 'LOGIN', 'CRAM-MD5'],
authMethods: ['PLAIN', 'LOGIN'],
// Accept messages up to 10 MB
size: 10 * 1024 * 1024,
// Setup authentication
// Allow only users with username 'testuser' and password 'testpass'
onAuth: (auth, session, callback) => {
let username = 'testuser';
let password = 'testpass';
let username = config.testserver.username;
let password = config.testserver.password;
// check username and password
if (auth.username === username &&
(
auth.method === 'CRAM-MD5' ?
auth.validatePassword(password) : // if cram-md5, validate challenge response
auth.password === password // for other methods match plaintext passwords
)
) {
if (auth.username === username && auth.password === password) {
return callback(null, {
user: 'userdata' // value could be an user id, or an user object etc. This value can be accessed from session.user afterwards
});
@ -87,19 +84,34 @@ let server = new SMTPServer({
err.responseCode = 552;
return callback(err);
}
received++;
callback(null, 'Message queued as ' + hash.digest('hex')); // accept the message once the stream is ended
});
}
});
server.on('error', err => {
log.error('TESTSERV', err.stack);
log.error('Test SMTP', err.stack);
});
module.exports = callback => {
if (config.testserver.enabled) {
server.listen(config.testserver.port, config.testserver.host, () => {
log.info('TESTSERV', 'Server listening on port %s', config.testserver.port);
log.info('Test SMTP', 'Server listening on port %s', config.testserver.port);
setInterval(() => {
if (received) {
totalMessages += received;
log.verbose(
'Test SMTP',
'Received %s new message%s in last 60 sec. (total %s messages)',
humanize.numberFormat(received, 0), received === 1 ? '' : 's',
humanize.numberFormat(totalMessages, 0)
);
received = 0;
}
}, 60 * 1000);
setImmediate(callback);
});
} else {