--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/HttpQueries/DetectTransferPlugin.cpp	Mon Sep 17 11:34:55 2018 +0200
@@ -0,0 +1,90 @@
+/**
+ * Transfers accelerator plugin for Orthanc
+ * Copyright (C) 2018 Osimis, Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "DetectTransferPlugin.h"
+
+#include "../TransferToolbox.h"
+#include "HttpQueriesRunner.h"
+
+#include <Core/OrthancException.h>
+
+#include <json/reader.h>
+
+
+namespace OrthancPlugins
+{
+  DetectTransferPlugin::DetectTransferPlugin(std::set<std::string>&  target,
+                                             const std::string& peer) :
+    target_(target),
+    peer_(peer),
+    uri_(URI_PLUGINS)
+  {
+  }
+
+
+  void DetectTransferPlugin::ReadBody(std::string& body) const
+  {
+    throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
+  }
+
+
+  void DetectTransferPlugin::HandleAnswer(const void* answer,
+                                          size_t size)
+  {
+    Json::Reader reader;
+    Json::Value value;
+
+    if (reader.parse(reinterpret_cast<const char*>(answer), 
+                     reinterpret_cast<const char*>(answer) + size, value) &&
+        value.type() == Json::arrayValue)
+    {
+      for (Json::Value::ArrayIndex i = 0; i < value.size(); i++)
+      {
+        if (value[i].type() == Json::stringValue &&
+            value[i].asString() == PLUGIN_NAME)
+        {
+          target_.insert(peer_);
+        }
+      }
+    }
+  }
+
+
+  void DetectTransferPlugin::Apply(std::set<std::string>& activePeers,
+                                   OrthancPluginContext* context,
+                                   size_t threadsCount,
+                                   unsigned int timeout)
+  {
+    OrthancPlugins::HttpQueriesQueue queue(context);
+
+    queue.GetOrthancPeers().SetTimeout(timeout);
+    queue.Reserve(queue.GetOrthancPeers().GetPeersCount());
+
+    for (size_t i = 0; i < queue.GetOrthancPeers().GetPeersCount(); i++)
+    {
+      queue.Enqueue(new OrthancPlugins::DetectTransferPlugin
+                    (activePeers, queue.GetOrthancPeers().GetPeerName(i)));
+    }
+
+    {
+      OrthancPlugins::HttpQueriesRunner runner(queue, threadsCount);
+      queue.WaitComplete();
+    }
+  }
+}