[tor-commits] [metrics-db/master] Avoid duplicates when storing bridge descriptors.

[karsten@xxxxxxxxxxxxxx]

commit 91aeeb6f4e7bd893fa2ded40e13138ab7f9ee3cc
Author: Karsten Loesing <karsten.loesing@xxxxxxx>
Date:   Tue May 5 12:22:58 2015 +0200

    Avoid duplicates when storing bridge descriptors.
    
    Implements #12676.
---
 .../ernie/db/bridgedescs/SanitizedBridgesWriter.java         |   10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/org/torproject/ernie/db/bridgedescs/SanitizedBridgesWriter.java b/src/org/torproject/ernie/db/bridgedescs/SanitizedBridgesWriter.java
index 1c64d79..37f37a1 100644
--- a/src/org/torproject/ernie/db/bridgedescs/SanitizedBridgesWriter.java
+++ b/src/org/torproject/ernie/db/bridgedescs/SanitizedBridgesWriter.java
@@ -852,6 +852,11 @@ public class SanitizedBridgesWriter extends Thread {
       for (int i = 0; i < outputFiles.length; i++) {
         File outputFile = outputFiles[i];
         boolean appendToFile = append[i];
+        if (outputFile.exists() && !appendToFile) {
+          /* We already stored this descriptor to disk before, so let's
+           * not store it yet another time. */
+          break;
+        }
         outputFile.getParentFile().mkdirs();
         BufferedWriter bw = new BufferedWriter(new FileWriter(
             outputFile, appendToFile));
@@ -999,6 +1004,11 @@ public class SanitizedBridgesWriter extends Thread {
       for (int i = 0; i < outputFiles.length; i++) {
         File outputFile = outputFiles[i];
         boolean appendToFile = append[i];
+        if (outputFile.exists() && !appendToFile) {
+          /* We already stored this descriptor to disk before, so let's
+           * not store it yet another time. */
+          break;
+        }
         outputFile.getParentFile().mkdirs();
         BufferedWriter bw = new BufferedWriter(new FileWriter(
             outputFile, appendToFile));

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