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Fix frontend not updating publicConfig.json

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This changes the handshake sequence to use “bootTime” (a unique key
based off the time) to make sure the frontend configuration matches the
current one. If not, the client pulls the update and validates before
requesting the listing.
This commit is contained in:
Cryptkeeper
2016-02-06 18:26:29 -06:00
parent 143e99876a
commit 798dda8f12
5 changed files with 86 additions and 44 deletions
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34
app.js
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@ -142,22 +142,9 @@ function startServices() {
logger.log('info', '%s connected, total clients: %d', client.request.connection.remoteAddress, connectedClients);
setTimeout(function() {
client.emit('setGraphDuration', config.graphDuration);
// Send them our previous data, so they have somewhere to start.
client.emit('updateMojangServices', mojang.toMessage());
// Remap our associative array into just an array.
var networkHistoryKeys = Object.keys(networkHistory);
networkHistoryKeys.sort();
// Send each individually, this should look cleaner than waiting for one big array to transfer.
for (var i = 0; i < networkHistoryKeys.length; i++) {
client.emit('add', [networkHistory[networkHistoryKeys[i]]]);
}
}, 1);
// We send the boot time (also sent in publicConfig.json) to the frontend to validate they have the same config.
// If so, they'll send back "requestListing" event, otherwise they will pull the new config and retry.
client.emit('bootTime', util.getBootTime());
// Attach our listeners.
client.on('disconnect', function() {
@ -172,6 +159,21 @@ function startServices() {
client.emit('historyGraph', graphData);
}
});
client.on('requestListing', function() {
// Send them our previous data, so they have somewhere to start.
client.emit('updateMojangServices', mojang.toMessage());
// Remap our associative array into just an array.
var networkHistoryKeys = Object.keys(networkHistory);
networkHistoryKeys.sort();
// Send each individually, this should look cleaner than waiting for one big array to transfer.
for (var i = 0; i < networkHistoryKeys.length; i++) {
client.emit('add', [networkHistory[networkHistoryKeys[i]]]);
}
});
});
startMainLoop();