[tor-commits] [metrics-web/master] Don't terminate the hidserv module when parsing descriptors.

[karsten@xxxxxxxxxxxxxx]

commit 4333d0666dbb8a252bd85d1cc79ebd18dc84d4bd
Author: Karsten Loesing <karsten.loesing@xxxxxxx>
Date:   Fri May 18 16:26:12 2018 +0200

    Don't terminate the hidserv module when parsing descriptors.
    
    This issue came up when reprocessing descriptor archives for #26022:
    we'd terminate the hidserv module when running into an issue with
    parsing descriptors, where a possible issue is a consensus without a
    "bandwidth-weights" line.
    
    This seems wrong. It's okay to print out a warning in this case. But
    in general, we don't want to abort the entire module in this case.
    
    Related to #26022.
---
 .../org/torproject/metrics/stats/hidserv/Main.java |  6 +-----
 .../torproject/metrics/stats/hidserv/Parser.java   | 23 +++++++++-------------
 2 files changed, 10 insertions(+), 19 deletions(-)

diff --git a/src/main/java/org/torproject/metrics/stats/hidserv/Main.java b/src/main/java/org/torproject/metrics/stats/hidserv/Main.java
index a23c17f..eafeeb1 100644
--- a/src/main/java/org/torproject/metrics/stats/hidserv/Main.java
+++ b/src/main/java/org/torproject/metrics/stats/hidserv/Main.java
@@ -38,11 +38,7 @@ public class Main {
     /* Parse new descriptors and store their contents using the document
      * stores. */
     System.out.println("Parsing descriptors...");
-    if (!parser.parseDescriptors()) {
-      System.err.println("Could not store parsed descriptors.  "
-          + "Terminating.");
-      return;
-    }
+    parser.parseDescriptors();
 
     /* Write the parse history to avoid parsing descriptor files again
      * next time.  It's okay to do this now and not at the end of the
diff --git a/src/main/java/org/torproject/metrics/stats/hidserv/Parser.java b/src/main/java/org/torproject/metrics/stats/hidserv/Parser.java
index f2abc78..2423526 100644
--- a/src/main/java/org/torproject/metrics/stats/hidserv/Parser.java
+++ b/src/main/java/org/torproject/metrics/stats/hidserv/Parser.java
@@ -162,16 +162,14 @@ public class Parser {
   /** Instructs the descriptor reader to parse descriptor files, and
    * handles the resulting parsed descriptors if they are either
    * extra-info descriptors or consensuses. */
-  public boolean parseDescriptors() {
+  public void parseDescriptors() {
     for (Descriptor descriptor : descriptorReader.readDescriptors(
         this.inDirectories)) {
       if (descriptor instanceof ExtraInfoDescriptor) {
         this.parseExtraInfoDescriptor((ExtraInfoDescriptor) descriptor);
       } else if (descriptor instanceof RelayNetworkStatusConsensus) {
-        if (!this.parseRelayNetworkStatusConsensus(
-            (RelayNetworkStatusConsensus) descriptor)) {
-          return false;
-        }
+        this.parseRelayNetworkStatusConsensus(
+            (RelayNetworkStatusConsensus) descriptor);
       }
     }
 
@@ -180,7 +178,7 @@ public class Parser {
      * descriptors.  In contrast, sets of computed network fractions are
      * stored immediately after processing the consensus they are based
      * on. */
-    return this.reportedHidServStatsStore.store(
+    this.reportedHidServStatsStore.store(
         this.reportedHidServStatsFile, this.reportedHidServStats);
   }
 
@@ -252,7 +250,7 @@ public class Parser {
   }
 
   /** Parses the given consensus. */
-  public boolean parseRelayNetworkStatusConsensus(
+  public void parseRelayNetworkStatusConsensus(
       RelayNetworkStatusConsensus consensus) {
 
     /* Make sure that the consensus contains Wxx weights. */
@@ -262,7 +260,7 @@ public class Parser {
       System.err.printf("Consensus with valid-after time %s doesn't "
           + "contain any Wxx weights.  Skipping.%n",
           DateTimeHelper.format(consensus.getValidAfterMillis()));
-      return false;
+      return;
     }
 
     /* More precisely, make sure that it contains Wmx weights, and then
@@ -274,7 +272,7 @@ public class Parser {
       System.err.printf("Consensus with valid-after time %s doesn't "
           + "contain expected Wmx weights.  Skipping.%n",
           DateTimeHelper.format(consensus.getValidAfterMillis()));
-      return false;
+      return;
     }
     double wmg = ((double) bandwidthWeights.get("Wmg")) / 10000.0;
     double wmm = ((double) bandwidthWeights.get("Wmm")) / 10000.0;
@@ -421,11 +419,8 @@ public class Parser {
         DateTimeHelper.ISO_DATE_FORMAT);
     File documentFile = new File(this.computedNetworkFractionsDirectory,
         date);
-    if (!this.computedNetworkFractionsStore.store(documentFile,
-        computedNetworkFractions)) {
-      return false;
-    }
-    return true;
+    this.computedNetworkFractionsStore.store(documentFile,
+        computedNetworkFractions);
   }
 }
 



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