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Add support of saving note revision and improve app start and stop procedure to ensure data integrity

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Cheng-Han, Wu 2016-06-17 16:09:33 +08:00
parent 56b4739e6d
commit dbc126b156
7 changed files with 366 additions and 24 deletions
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33
app.js
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@ -484,16 +484,26 @@ function startListen() {
if (config.usessl) {
server.listen(config.port, function () {
logger.info('HTTPS Server listening at port %d', config.port);
config.maintenance = false;
});
} else {
server.listen(config.port, function () {
logger.info('HTTP Server listening at port %d', config.port);
config.maintenance = false;
});
}
}
// sync db then start listen
models.sequelize.sync().then(startListen);
models.sequelize.sync().then(function () {
// check if realtime is ready
if (realtime.isReady()) {
models.Revision.checkAllNotesRevision(function (err, notes) {
if (err) return new Error(err);
if (notes.length <= 0) return startListen();
});
}
});
// log uncaught exception
process.on('uncaughtException', function (err) {
@ -510,21 +520,18 @@ process.on('SIGINT', function () {
Object.keys(io.sockets.sockets).forEach(function (key) {
var socket = io.sockets.sockets[key];
// notify client server going into maintenance status
socket.emit('maintenance', config.version);
socket.emit('maintenance');
socket.disconnect(true);
});
var checkCleanTimer = setInterval(function () {
var usersCount = Object.keys(realtime.users).length;
var notesCount = Object.keys(realtime.notes).length;
// check if all users and notes array are empty
if (usersCount == 0 && notesCount == 0) {
// close db connection
models.sequelize.close();
clearInterval(checkCleanTimer);
// wait for a while before exit
setTimeout(function () {
process.exit(0);
}, 100);
if (realtime.isReady()) {
models.Revision.checkAllNotesRevision(function (err, notes) {
if (err) return new Error(err);
if (notes.length <= 0) {
clearInterval(checkCleanTimer);
return process.exit(0);
}
});
}
}, 100);
});