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diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -10,7 +10,7 @@
'conpherence.pkg.css' => 'a34d59bd',
'conpherence.pkg.js' => '5f86c17d',
'core.pkg.css' => '959330a2',
- 'core.pkg.js' => '349e50d5',
+ 'core.pkg.js' => '4a83713e',
'darkconsole.pkg.js' => '1f9a31bc',
'differential.pkg.css' => '90b30783',
'differential.pkg.js' => 'ddfeb49b',
@@ -361,7 +361,7 @@
'rsrc/image/texture/table_header.png' => '5c433037',
'rsrc/image/texture/table_header_hover.png' => '038ec3b9',
'rsrc/image/texture/table_header_tall.png' => 'd56b434f',
- 'rsrc/js/application/aphlict/Aphlict.js' => '6304947a',
+ 'rsrc/js/application/aphlict/Aphlict.js' => '674e335f',
'rsrc/js/application/aphlict/behavior-aphlict-dropdown.js' => 'caade6f2',
'rsrc/js/application/aphlict/behavior-aphlict-listen.js' => '06e7f30e',
'rsrc/js/application/aphlict/behavior-aphlict-status.js' => '5e2634b9',
@@ -583,7 +583,7 @@
'herald-rule-editor' => 'd6a7e717',
'herald-test-css' => 'a52e323e',
'inline-comment-summary-css' => '51efda3a',
- 'javelin-aphlict' => '6304947a',
+ 'javelin-aphlict' => '674e335f',
'javelin-behavior' => '61cbc29a',
'javelin-behavior-aphlict-dropdown' => 'caade6f2',
'javelin-behavior-aphlict-listen' => '06e7f30e',
@@ -1391,19 +1391,19 @@
'javelin-install',
'javelin-util',
),
- '6304947a' => array(
- 'javelin-install',
- 'javelin-util',
- 'javelin-websocket',
- 'javelin-leader',
- 'javelin-json',
- ),
'635de1ec' => array(
'javelin-behavior',
'javelin-stratcom',
'javelin-workflow',
'javelin-dom',
),
+ '674e335f' => array(
+ 'javelin-install',
+ 'javelin-util',
+ 'javelin-websocket',
+ 'javelin-leader',
+ 'javelin-json',
+ ),
'680ea2c8' => array(
'javelin-install',
'javelin-dom',
diff --git a/support/aphlict/server/lib/AphlictClientServer.js b/support/aphlict/server/lib/AphlictClientServer.js
--- a/support/aphlict/server/lib/AphlictClientServer.js
+++ b/support/aphlict/server/lib/AphlictClientServer.js
@@ -153,6 +153,18 @@
}
break;
+ case 'ping':
+ var pong = {
+ type: 'pong'
+ };
+
+ try {
+ listener.writeMessage(pong);
+ } catch (error) {
+ // Ignore any issues here, we'll clean up elsewhere.
+ }
+ break;
+
default:
log(
'Unrecognized command "%s".',
diff --git a/webroot/rsrc/js/application/aphlict/Aphlict.js b/webroot/rsrc/js/application/aphlict/Aphlict.js
--- a/webroot/rsrc/js/application/aphlict/Aphlict.js
+++ b/webroot/rsrc/js/application/aphlict/Aphlict.js
@@ -41,6 +41,7 @@
_subscriptions: null,
_status: null,
_isReconnect: false,
+ _keepaliveInterval: false,
start: function() {
JX.Leader.listen('onBecomeLeader', JX.bind(this, this._lead));
@@ -104,6 +105,14 @@
this._broadcastStatus('open');
JX.Leader.broadcast(null, {type: 'aphlict.getsubscribers'});
+
+ // By default, ELBs terminate connections after 60 seconds with no
+ // traffic. Other load balancers may have similar configuration. Send
+ // a keepalive message every 15 seconds to prevent load balancers from
+ // deciding they can reap this connection.
+
+ var keepalive = JX.bind(this, this._keepalive);
+ this._keepaliveInterval = setInterval(keepalive, 15000);
},
_didReconnect: function() {
@@ -124,6 +133,11 @@
},
_close: function() {
+ if (this._keepaliveInterval) {
+ clearInterval(this._keepaliveInterval);
+ this._keepaliveInterval = null;
+ }
+
this._broadcastStatus('closed');
},
@@ -135,6 +149,11 @@
var message = JX.JSON.parse(raw);
var id = message.uniqueID || null;
+ // If this is just a keepalive response, don't bother broadcasting it.
+ if (message.type == 'pong') {
+ return;
+ }
+
JX.Leader.broadcast(id, {type: 'aphlict.server', data: message});
},
@@ -198,6 +217,10 @@
};
return this._write(frame);
+ },
+
+ _keepalive: function() {
+ this._writeCommand('ping', null);
}
},

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