[tor-commits] [onionoo/master] Move all descriptor parsing to a single execution phase.

[karsten@xxxxxxxxxxxxxx]

commit 9ae78a5b7e0ccb8cc81215fd74a215a30ce3142d
Author: Karsten Loesing <karsten.loesing@xxxxxxx>
Date:   Mon Jul 1 08:56:57 2013 +0200

    Move all descriptor parsing to a single execution phase.
---
 src/org/torproject/onionoo/Main.java           |   53 ++++++++++++++----------
 src/org/torproject/onionoo/NodeDataWriter.java |    3 +-
 2 files changed, 32 insertions(+), 24 deletions(-)

diff --git a/src/org/torproject/onionoo/Main.java b/src/org/torproject/onionoo/Main.java
index 3fca6f0..9caac06 100644
--- a/src/org/torproject/onionoo/Main.java
+++ b/src/org/torproject/onionoo/Main.java
@@ -21,17 +21,41 @@ public class Main {
     printStatusTime("Initialized Geoip lookup service");
     ReverseDomainNameResolver rdnr = new ReverseDomainNameResolver();
     printStatusTime("Initialized reverse domain name resolver");
-
-    printStatus("Updating internal node list.");
     NodeDataWriter ndw = new NodeDataWriter(dso, ls, ds);
-    ndw.readStatusSummary();
-    printStatusTime("Read status summary");
+    printStatusTime("Initialized node data writer");
+    DetailsDataWriter ddw = new DetailsDataWriter(dso, rdnr, ds);
+    printStatusTime("Initialized details data writer");
+    BandwidthDataWriter bdw = new BandwidthDataWriter(dso, ds);
+    printStatusTime("Initialized bandwidth data writer");
+    WeightsDataWriter wdw = new WeightsDataWriter(dso, ds);
+    printStatusTime("Initialized weights data writer");
+
+    // TODO Instead of creating nine, partly overlapping descriptor
+    // queues, register for descriptor type and let DescriptorSource
+    // parse everything just once.
+    printStatus("Reading descriptors.");
     ndw.readRelayNetworkConsensuses();
     printStatusTime("Read network status consensuses");
-    ndw.lookUpCitiesAndASes();
-    printStatusTime("Looked up cities and ASes");
     ndw.readBridgeNetworkStatuses();
     printStatusTime("Read bridge network statuses");
+    ddw.readRelayServerDescriptors();
+    printStatusTime("Read relay server descriptors");
+    ddw.readExitLists();
+    printStatusTime("Read exit lists");
+    ddw.readBridgeServerDescriptors();
+    printStatusTime("Read bridge server descriptors");
+    ddw.readBridgePoolAssignments();
+    printStatusTime("Read bridge-pool assignments");
+    bdw.readExtraInfoDescriptors();
+    printStatusTime("Read extra-info descriptors");
+    wdw.readRelayServerDescriptors();
+    printStatusTime("Read relay server descriptors");
+    wdw.readRelayNetworkConsensuses();
+    printStatusTime("Read relay network consensuses");
+
+    printStatus("Updating internal node list.");
+    ndw.lookUpCitiesAndASes();
+    printStatusTime("Looked up cities and ASes");
     ndw.setRunningBits();
     printStatusTime("Set running bits");
     ndw.writeStatusSummary();
@@ -43,7 +67,6 @@ public class Main {
         ndw.getLastBandwidthWeights();
 
     printStatus("Updating detail data.");
-    DetailsDataWriter ddw = new DetailsDataWriter(dso, rdnr, ds);
     // TODO Instead of using ndw's currentNodes and lastBandwidthWeights,
     // parse statuses once again, keeping separate parse history.  Allows
     // us to run ndw and ddw in parallel in the future.  Alternatively,
@@ -52,27 +75,16 @@ public class Main {
     printStatusTime("Set current node fingerprints");
     ddw.startReverseDomainNameLookups();
     printStatusTime("Started reverse domain name lookups");
-    ddw.readRelayServerDescriptors();
-    printStatusTime("Read relay server descriptors");
     ddw.calculatePathSelectionProbabilities(lastBandwidthWeights);
     printStatusTime("Calculated path selection probabilities");
-    ddw.readExitLists();
-    printStatusTime("Read exit lists");
-    ddw.readBridgeServerDescriptors();
-    printStatusTime("Read bridge server descriptors");
-    ddw.readBridgePoolAssignments();
-    printStatusTime("Read bridge-pool assignments");
     ddw.finishReverseDomainNameLookups();
     printStatusTime("Finished reverse domain name lookups");
     ddw.writeOutDetails();
     printStatusTime("Wrote detail data files");
 
     printStatus("Updating bandwidth data.");
-    BandwidthDataWriter bdw = new BandwidthDataWriter(dso, ds);
     bdw.setCurrentNodes(currentNodes);
     printStatusTime("Set current node fingerprints");
-    bdw.readExtraInfoDescriptors();
-    printStatusTime("Read extra-info descriptors");
     // TODO Evaluate overhead of not deleting obsolete bandwidth files.
     // An advantage would be that we don't need ndw's currentNodes
     // anymore, which allows us to run ndw and bdw in parallel in the
@@ -81,13 +93,8 @@ public class Main {
     printStatusTime("Deleted obsolete bandwidth files");
 
     printStatus("Updating weights data.");
-    WeightsDataWriter wdw = new WeightsDataWriter(dso, ds);
     wdw.setCurrentNodes(currentNodes);
     printStatusTime("Set current node fingerprints");
-    wdw.readRelayServerDescriptors();
-    printStatusTime("Read relay server descriptors");
-    wdw.readRelayNetworkConsensuses();
-    printStatusTime("Read relay network consensuses");
     wdw.writeWeightsDataFiles();
     printStatusTime("Wrote weights data files");
     // TODO Evaluate overhead of not deleting obsolete weights files.  An
diff --git a/src/org/torproject/onionoo/NodeDataWriter.java b/src/org/torproject/onionoo/NodeDataWriter.java
index 4afc595..b2d7e32 100644
--- a/src/org/torproject/onionoo/NodeDataWriter.java
+++ b/src/org/torproject/onionoo/NodeDataWriter.java
@@ -41,9 +41,10 @@ public class NodeDataWriter {
     this.descriptorSource = descriptorSource;
     this.lookupService = lookupService;
     this.documentStore = documentStore;
+    this.readStatusSummary();
   }
 
-  public void readStatusSummary() {
+  private void readStatusSummary() {
     SortedSet<String> fingerprints = this.documentStore.list(
         NodeStatus.class, true);
     for (String fingerprint : fingerprints) {



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