include/encoding: handle set<> with comparator

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/include/encoding.h b/src/include/encoding.h
index 1abdcf194d2334174d73c466cc0e74c5fdeae757..a4b5d03d33e3fb53a6ea6b08f99aaa7e668a6ec9 100644 (file)
--- a/src/include/encoding.h
+++ b/src/include/encoding.h
@@ -453,6 +453,27 @@ inline void decode(std::set<T>& s, bufferlist::iterator& p)
   }
 }
 
+template<class T, class C>
+inline void encode(const std::set<T, C>& s, bufferlist& bl)
+{
+  __u32 n = (__u32)(s.size());
+  encode(n, bl);
+  for (typename std::set<T, C>::const_iterator p = s.begin(); p != s.end(); ++p)
+    encode(*p, bl);
+}
+template<class T, class C>
+inline void decode(std::set<T, C>& s, bufferlist::iterator& p)
+{
+  __u32 n;
+  decode(n, p);
+  s.clear();
+  while (n--) {
+    T v;
+    decode(v, p);
+    s.insert(v);
+  }
+}
+
 template<class T>
 inline void encode_nohead(const std::set<T>& s, bufferlist& bl)
 {