[tor-commits] [vidalia/alpha] Load routers asynchronously

[chiiph@xxxxxxxxxxxxxx]

commit 693a7754c5010f756140f805e22a0168b52be630
Author: Tomás Touceda <chiiph@xxxxxxxxxxxxxx>
Date:   Mon Feb 13 12:54:20 2012 -0300

    Load routers asynchronously
---
 src/vidalia/network/NetViewer.cpp |   53 ++++++++++++++++++++++++++++---------
 src/vidalia/network/NetViewer.h   |   25 ++++++++++++-----
 2 files changed, 58 insertions(+), 20 deletions(-)

diff --git a/src/vidalia/network/NetViewer.cpp b/src/vidalia/network/NetViewer.cpp
index 0e0a161..0a88ec5 100644
--- a/src/vidalia/network/NetViewer.cpp
+++ b/src/vidalia/network/NetViewer.cpp
@@ -224,12 +224,8 @@ NetViewer::refresh()
   /* Clear the data */
   clear();
 
-  /* Load router information */
-  loadNetworkStatus();
-  /* Load existing address mappings */
-  loadAddressMap();
-  /* Load Circuits and Streams information */
-  loadConnections();
+  /* Async router load */
+  preLoadNetworkStatus();
 
   /* Ok, they can refresh again. */
   ui.actionRefresh->setEnabled(true);
@@ -331,21 +327,52 @@ NetViewer::help()
 }
 
 /** Retrieves a list of all running routers from Tor and their descriptors,
- * and adds them to the RouterListWidget. */
+ * and adds them to the _router list. */
 void
-NetViewer::loadNetworkStatus()
+NetViewer::preLoadNetworkStatus()
 {
   NetworkStatus networkStatus = _torControl->getNetworkStatus();
-  foreach (RouterStatus rs, networkStatus) {
+  
+  if(_torControl->useMicrodescriptors())
+    ui.treeRouterList->hideColumn(RouterListWidget::StatusColumn);
+
+  foreach(RouterStatus rs, networkStatus) {
     if (!rs.isRunning())
       continue;
-
+    
     RouterDescriptor rd = _torControl->getRouterDescriptor(rs.id());
+    if(_torControl->useMicrodescriptors()) {
+      rd.appendRouterStatusInfo(rs);
+    }
     if (!rd.isEmpty())
-      addRouter(rd);
+      _routers << rd;
 
     QCoreApplication::processEvents();
   }
+  
+  _it = _routers.constBegin();
+  QTimer::singleShot(200, this, SLOT(loadNetworkStatus()));
+}
+
+/** Adds routers to the RouterListWidget after they have been loaded
+ *  in the internal _router list */
+void
+NetViewer::loadNetworkStatus()
+{
+  int count = 0, thres = 10;
+  for(; _it != _routers.constEnd() and count < thres; ++_it, ++count) {
+    addRouter((*_it));
+    QCoreApplication::processEvents();
+  }
+
+  if(_it != _routers.constEnd())
+    QTimer::singleShot(10, this, SLOT(loadNetworkStatus()));
+  else {
+    /* Load existing address mappings */
+    loadAddressMap();
+    /* Load Circuits and Streams information */
+    loadConnections();
+  }
 }
 
 /** Adds a router to our list of servers and retrieves geographic location
@@ -420,8 +447,8 @@ NetViewer::routerSelected(const QList<RouterDescriptor> &routers)
    *      map. But our current map sucks and you can't even tell when one is
    *      selected anyway. Worry about this when we actually get to Marble.
    */
-  if (routers.size() == 1)
-    _map->selectRouter(routers[0].id());
+  // if (routers.size() == 1)
+  //   _map->selectRouter(routers[0].id());
 }
 
 /** Called when the user selects a router on the network map. Displays a 
diff --git a/src/vidalia/network/NetViewer.h b/src/vidalia/network/NetViewer.h
index b1c40be..0293306 100644
--- a/src/vidalia/network/NetViewer.h
+++ b/src/vidalia/network/NetViewer.h
@@ -73,6 +73,10 @@ public slots:
   /** Clears all known information */
   void clear();
 
+  /** Adds a router to our list of servers and retrieves geographic location
+   * information for the server. */
+  void addRouter(const RouterDescriptor &rd);
+
 protected:
   /** Called when the user changes the UI translation. */
   void retranslateUi();
@@ -105,17 +109,18 @@ private slots:
    * returnPressed from the search field. */
   void onRouterSearch();
 
+  /** Adds routers to the RouterListWidget after they have been loaded
+   *  in the internal _router list */
+  void loadNetworkStatus();
+
 private:
   /** */
   void setupGeoIpResolver();
-  /** Retrieves a list of all running routers from Tor and their descriptors,
-   * and adds them to the RouterListWidget. */
-  void loadNetworkStatus();
   /** Loads a list of address mappings from Tor. */
   void loadAddressMap();
-  /** Adds a router to our list of servers and retrieves geographic location
-   * information for the server. */
-  void addRouter(const RouterDescriptor &rd);
+  /** Retrieves a list of all running routers from Tor and their descriptors,
+   * and adds them to the _routers list. */
+  void preLoadNetworkStatus();
 
   /** TorControl object used to talk to Tor. */
   TorControl* _torControl;
@@ -125,7 +130,13 @@ private:
   GeoIpResolver _geoip;
   /** Stores a list of address mappings from Tor. */
   AddressMap _addressMap;
- 
+
+  /** RouterDescriptor list that is used to load the routers in an
+   *  asyc way */
+  QList<RouterDescriptor> _routers;
+  /** Iterator to keep the loaded routers at any time */
+  QList<RouterDescriptor>::const_iterator _it;
+
   /** Widget that displays the Tor network map. */
 #if defined(USE_MARBLE)
   TorMapWidget* _map;



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