Merge branch 'testing' of gitorious.org:statusnet/mainline into 0.9.x

Conflicts:
	plugins/OpenID/openid.php

3 files changed, 87 insertions, 3 deletions

diff --git a/plugins/OStatus/OStatusPlugin.php b/plugins/OStatus/OStatusPlugin.php
index 5b153216e..c61e2cc5f 100644
--- a/plugins/OStatus/OStatusPlugin.php
+++ b/plugins/OStatus/OStatusPlugin.php
@@ -87,6 +87,8 @@ class OStatusPlugin extends Plugin
 
         // Outgoing from our internal PuSH hub
         $qm->connect('hubconf', 'HubConfQueueHandler');
+        $qm->connect('hubprep', 'HubPrepQueueHandler');
+
         $qm->connect('hubout', 'HubOutQueueHandler');
 
         // Outgoing Salmon replies (when we don't need a return value)
@@ -102,8 +104,10 @@ class OStatusPlugin extends Plugin
      */
     function onStartEnqueueNotice($notice, &$transports)
     {
-        // put our transport first, in case there's any conflict (like OMB)
-        array_unshift($transports, 'ostatus');
+        if ($notice->isLocal()) {
+            // put our transport first, in case there's any conflict (like OMB)
+            array_unshift($transports, 'ostatus');
+        }
         return true;
     }
 
diff --git a/plugins/OStatus/classes/HubSub.php b/plugins/OStatus/classes/HubSub.php
index cdace3c1f..7db528a4e 100644
--- a/plugins/OStatus/classes/HubSub.php
+++ b/plugins/OStatus/classes/HubSub.php
@@ -260,6 +260,37 @@ class HubSub extends Memcached_DataObject
             $retries = intval(common_config('ostatus', 'hub_retries'));
         }
 
+        if (common_config('ostatus', 'local_push_bypass')) {
+            // If target is a local site, bypass the web server and drop the
+            // item directly into the target's input queue.
+            $url = parse_url($this->callback);
+            $wildcard = common_config('ostatus', 'local_wildcard');
+            $site = Status_network::getFromHostname($url['host'], $wildcard);
+
+            if ($site) {
+                if ($this->secret) {
+                    $hmac = 'sha1=' . hash_hmac('sha1', $atom, $this->secret);
+                } else {
+                    $hmac = '';
+                }
+
+                // Hack: at the moment we stick the subscription ID in the callback
+                // URL so we don't have to look inside the Atom to route the subscription.
+                // For now this means we need to extract that from the target URL
+                // so we can include it in the data.
+                $parts = explode('/', $url['path']);
+                $subId = intval(array_pop($parts));
+
+                $data = array('feedsub_id' => $subId,
+                              'post' => $atom,
+                              'hmac' => $hmac);
+                common_log(LOG_DEBUG, "Cross-site PuSH bypass enqueueing straight to $site->nickname feed $subId");
+                $qm = QueueManager::get();
+                $qm->enqueue($data, 'pushin', $site->nickname);
+                return;
+            }
+        }
+
         // We dare not clone() as when the clone is discarded it'll
         // destroy the result data for the parent query.
         // @fixme use clone() again when it's safe to copy an
@@ -274,6 +305,26 @@ class HubSub extends Memcached_DataObject
     }
 
     /**
+     * Queue up a large batch of pushes to multiple subscribers
+     * for this same topic update.
+     * 
+     * If queues are disabled, this will run immediately.
+     * 
+     * @param string $atom well-formed Atom feed
+     * @param array $pushCallbacks list of callback URLs
+     */
+    function bulkDistribute($atom, $pushCallbacks)
+    {
+        $data = array('atom' => $atom,
+                      'topic' => $this->topic,
+                      'pushCallbacks' => $pushCallbacks);
+        common_log(LOG_INFO, "Queuing PuSH batch: $this->topic to " .
+                             count($pushCallbacks) . " sites");
+        $qm = QueueManager::get();
+        $qm->enqueue($data, 'hubprep');
+    }
+
+    /**
      * Send a 'fat ping' to the subscriber's callback endpoint
      * containing the given Atom feed chunk.
      *
diff --git a/plugins/OStatus/lib/ostatusqueuehandler.php b/plugins/OStatus/lib/ostatusqueuehandler.php
index d1e58f1d6..8905d2e21 100644
--- a/plugins/OStatus/lib/ostatusqueuehandler.php
+++ b/plugins/OStatus/lib/ostatusqueuehandler.php
@@ -25,6 +25,18 @@
  */
 class OStatusQueueHandler extends QueueHandler
 {
+    // If we have more than this many subscribing sites on a single feed,
+    // break up the PuSH distribution into smaller batches which will be
+    // rolled into the queue progressively. This reduces disruption to
+    // other, shorter activities being enqueued while we work.
+    const MAX_UNBATCHED = 50;
+
+    // Each batch (a 'hubprep' entry) will have this many items.
+    // Selected to provide a balance between queue packet size
+    // and number of batches that will end up getting processed.
+    // For 20,000 target sites, 1000 should work acceptably.
+    const BATCH_SIZE = 1000;
+
     function transport()
     {
         return 'ostatus';
@@ -147,14 +159,31 @@ class OStatusQueueHandler extends QueueHandler
 
     /**
      * Queue up direct feed update pushes to subscribers on our internal hub.
+     * If there are a large number of subscriber sites, intermediate bulk
+     * distribution triggers may be queued.
+     * 
      * @param string $atom update feed, containing only new/changed items
      * @param HubSub $sub open query of subscribers
      */
     function pushFeedInternal($atom, $sub)
     {
         common_log(LOG_INFO, "Preparing $sub->N PuSH distribution(s) for $sub->topic");
+        $n = 0;
+        $batch = array();
         while ($sub->fetch()) {
-            $sub->distribute($atom);
+            $n++;
+            if ($n < self::MAX_UNBATCHED) {
+                $sub->distribute($atom);
+            } else {
+                $batch[] = $sub->callback;
+                if (count($batch) >= self::BATCH_SIZE) {
+                    $sub->bulkDistribute($atom, $batch);
+                    $batch = array();
+                }
+            }
+        }
+        if (count($batch) >= 0) {
+            $sub->bulkDistribute($atom, $batch);
         }
     }