[tor-commits] [metrics-lib/master] Add support for parsing bridge-ip-versions lines.

[karsten@xxxxxxxxxxxxxx]

commit 17e9149f0733f854737d14233e3537a4ee25e4d2
Author: Karsten Loesing <karsten.loesing@xxxxxxx>
Date:   Thu Nov 8 14:18:18 2012 -0500

    Add support for parsing bridge-ip-versions lines.
---
 .../torproject/descriptor/ExtraInfoDescriptor.java |    6 +++++
 .../descriptor/impl/ExtraInfoDescriptorImpl.java   |   14 +++++++++++
 .../impl/ExtraInfoDescriptorImplTest.java          |   24 ++++++++++++++++++++
 3 files changed, 44 insertions(+), 0 deletions(-)

diff --git a/src/org/torproject/descriptor/ExtraInfoDescriptor.java b/src/org/torproject/descriptor/ExtraInfoDescriptor.java
index 0e19425..e57febe 100644
--- a/src/org/torproject/descriptor/ExtraInfoDescriptor.java
+++ b/src/org/torproject/descriptor/ExtraInfoDescriptor.java
@@ -242,6 +242,12 @@ public interface ExtraInfoDescriptor extends Descriptor {
    * of 8, or null if no bridge statistics are included. */
   public SortedMap<String, Integer> getBridgeIps();
 
+  /* Return statistics on client IP addresses with map keys being protocol
+   * family, e.g., "v4" or "v6", and map values being the number of unique
+   * IP addresses rounded up to the nearest multiple of 8, or null if no
+   * bridge IP version statistics are included. */
+  public SortedMap<String, Integer> getBridgeIpVersions();
+
   /* Return the (possibly empty) list of transports supported by this
    * bridge. */
   public List<String> getTransports();
diff --git a/src/org/torproject/descriptor/impl/ExtraInfoDescriptorImpl.java b/src/org/torproject/descriptor/impl/ExtraInfoDescriptorImpl.java
index d84a5e2..d7dfd79 100644
--- a/src/org/torproject/descriptor/impl/ExtraInfoDescriptorImpl.java
+++ b/src/org/torproject/descriptor/impl/ExtraInfoDescriptorImpl.java
@@ -168,6 +168,8 @@ public class ExtraInfoDescriptorImpl extends DescriptorImpl
         this.parseBridgeStatsEndLine(line, lineNoOpt, partsNoOpt);
       } else if (keyword.equals("bridge-ips")) {
         this.parseBridgeStatsIpsLine(line, lineNoOpt, partsNoOpt);
+      } else if (keyword.equals("bridge-ip-versions")) {
+        this.parseBridgeIpVersionsLine(line, lineNoOpt, partsNoOpt);
       } else if (keyword.equals("transport")) {
         this.parseTransportLine(line, lineNoOpt, partsNoOpt);
       } else if (keyword.equals("router-signature")) {
@@ -581,6 +583,12 @@ public class ExtraInfoDescriptorImpl extends DescriptorImpl
         partsNoOpt, 1, 2);
   }
 
+  private void parseBridgeIpVersionsLine(String line, String lineNoOpt,
+      String[] partsNoOpt) throws DescriptorParseException {
+    this.bridgeIpVersions = ParseHelper.parseCommaSeparatedKeyValueList(line,
+        partsNoOpt, 1, 2);
+  }
+
   private void parseTransportLine(String line, String lineNoOpt,
       String[] partsNoOpt) throws DescriptorParseException {
     if (partsNoOpt.length < 2) {
@@ -897,6 +905,12 @@ public class ExtraInfoDescriptorImpl extends DescriptorImpl
         new TreeMap<String, Integer>(this.bridgeIps);
   }
 
+  private SortedMap<String, Integer> bridgeIpVersions;
+  public SortedMap<String, Integer> getBridgeIpVersions() {
+    return this.bridgeIpVersions == null ? null :
+        new TreeMap<String, Integer>(this.bridgeIpVersions);
+  }
+
   private List<String> transports = new ArrayList<String>();
   public List<String> getTransports() {
     return new ArrayList<String>(this.transports);
diff --git a/test/org/torproject/descriptor/impl/ExtraInfoDescriptorImplTest.java b/test/org/torproject/descriptor/impl/ExtraInfoDescriptorImplTest.java
index a2becd2..e1b19f8 100644
--- a/test/org/torproject/descriptor/impl/ExtraInfoDescriptorImplTest.java
+++ b/test/org/torproject/descriptor/impl/ExtraInfoDescriptorImplTest.java
@@ -641,6 +641,14 @@ public class ExtraInfoDescriptorImplTest {
       return DescriptorBuilder.createWithBridgeStatsLines(
           bsb.buildBridgeStatsLines());
     }
+    private String bridgeIpVersionsLine = "bridge-ip-versions v4=8,v6=16";
+    private static ExtraInfoDescriptor createWithBridgeIpVersionsLine(
+        String line) throws DescriptorParseException {
+      BridgeStatsBuilder bsb = new BridgeStatsBuilder();
+      bsb.bridgeIpVersionsLine = line;
+      return DescriptorBuilder.createWithBridgeStatsLines(
+          bsb.buildBridgeStatsLines());
+    }
     private static ExtraInfoDescriptor createWithDefaultLines()
         throws DescriptorParseException {
       return DescriptorBuilder.createWithBridgeStatsLines(
@@ -654,6 +662,9 @@ public class ExtraInfoDescriptorImplTest {
       if (this.bridgeIpsLine != null) {
         sb.append(this.bridgeIpsLine + "\n");
       }
+      if (this.bridgeIpVersionsLine != null) {
+        sb.append(this.bridgeIpVersionsLine + "\n");
+      }
       String lines = sb.toString();
       if (lines.endsWith("\n")) {
         lines = lines.substring(0, lines.length() - 1);
@@ -1255,6 +1266,11 @@ public class ExtraInfoDescriptorImplTest {
     assertEquals(24, ips.get("ir").intValue());
     assertEquals(16, ips.get("sy").intValue());
     assertFalse(ips.containsKey("no"));
+    SortedMap<String, Integer> ver = descriptor.getBridgeIpVersions();
+    assertNotNull(ver);
+    assertEquals(8, ver.get("v4").intValue());
+    assertEquals(16, ver.get("v6").intValue());
+    assertFalse(ver.containsKey("v8"));
   }
 
   @Test(expected = DescriptorParseException.class)
@@ -1269,6 +1285,14 @@ public class ExtraInfoDescriptorImplTest {
       throws DescriptorParseException {
     BridgeStatsBuilder.createWithBridgeIpsLine("bridge-ips ir=24.5");
   }
+
+  @Test(expected = DescriptorParseException.class)
+  public void testBridgeIpVersionsDouble()
+      throws DescriptorParseException {
+    BridgeStatsBuilder.createWithBridgeIpVersionsLine(
+        "bridge-ip-versions v4=24.5");
+  }
+
   @Test()
   public void testRouterSignatureOpt()
       throws DescriptorParseException {

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