From dcfeee66cd0a903fd1307c1f9c0cfe1bae6217d4 Mon Sep 17 00:00:00 2001
From: Loic Dachary <loic@dachary.org>
Date: Sun, 9 Feb 2014 21:18:45 +0100
Subject: [PATCH] crush: add the dump_rule(int ruleset) method

And implement dump_rules() using dump_rule(). The indentiation and
variable names are intentionaly left as is to not confuse code being
moved around and the code changes.

Signed-off-by: Loic Dachary <loic@dachary.org>
---
 src/crush/CrushWrapper.cc          | 7 ++++++-
 src/crush/CrushWrapper.h           | 1 +
 src/test/crush/TestCrushWrapper.cc | 9 +++++++++
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/crush/CrushWrapper.cc b/src/crush/CrushWrapper.cc
index 3aa7a43d5a328..d80adfcb587fc 100644
--- a/src/crush/CrushWrapper.cc
+++ b/src/crush/CrushWrapper.cc
@@ -1177,6 +1177,12 @@ void CrushWrapper::dump_rules(Formatter *f) const
   for (int i=0; i<get_max_rules(); i++) {
     if (!rule_exists(i))
       continue;
+    dump_rule(i, f);
+  }
+}
+
+void CrushWrapper::dump_rule(int i, Formatter *f) const
+{
     f->open_object_section("rule");
     f->dump_int("rule_id", i);
     if (get_rule_name(i))
@@ -1236,7 +1242,6 @@ void CrushWrapper::dump_rules(Formatter *f) const
     }
     f->close_section();
     f->close_section();
-  }
 }
 
 void CrushWrapper::list_rules(Formatter *f) const
diff --git a/src/crush/CrushWrapper.h b/src/crush/CrushWrapper.h
index 1f82e76c9aa45..b753821887053 100644
--- a/src/crush/CrushWrapper.h
+++ b/src/crush/CrushWrapper.h
@@ -894,6 +894,7 @@ public:
   void decode_crush_bucket(crush_bucket** bptr, bufferlist::iterator &blp);
   void dump(Formatter *f) const;
   void dump_rules(Formatter *f) const;
+  void dump_rule(int ruleset, Formatter *f) const;
   void dump_tunables(Formatter *f) const;
   void list_rules(Formatter *f) const;
   void dump_tree(const vector<__u32>& w, ostream *out, Formatter *f) const;
diff --git a/src/test/crush/TestCrushWrapper.cc b/src/test/crush/TestCrushWrapper.cc
index ec74cd0f1e7b5..55c7e86831f0d 100644
--- a/src/test/crush/TestCrushWrapper.cc
+++ b/src/test/crush/TestCrushWrapper.cc
@@ -526,6 +526,15 @@ TEST(CrushWrapper, dump_rules) {
     EXPECT_EQ(0, ss.str().find("<rule><rule_id>0</rule_id><rule_name>NAME</rule_name>"));
   }
 
+  {
+    Formatter *f = new_formatter("xml");
+    c->dump_rule(ruleset, f);
+    stringstream ss;
+    f->flush(ss);
+    delete f;
+    EXPECT_EQ(0, ss.str().find("<rule><rule_id>0</rule_id><rule_name>NAME</rule_name>"));
+  }
+
   delete c;
 }
 
-- 
2.39.5