added management function to purge stale sessions in the management server

ndb/include/util/Bitmask.hpp:
  added bitXORC
ndb/include/util/SocketServer.hpp:
  added method to apply function on each session
ndb/src/common/util/SocketServer.cpp:
  added method to apply function on each session

1 files changed, 34 insertions, 0 deletions

diff --git a/ndb/include/util/Bitmask.hpp b/ndb/include/util/Bitmask.hpp
index bb217adab5f..19aa604e4a1 100644
--- a/ndb/include/util/Bitmask.hpp
+++ b/ndb/include/util/Bitmask.hpp
@@ -105,6 +105,11 @@ public:
   static void bitXOR(unsigned size, Uint32 data[], const Uint32 data2[]);
 
   /**
+   * bitXORC - Bitwise (x ^ ~y) into first operand.
+   */
+  static void bitXORC(unsigned size, Uint32 data[], const Uint32 data2[]);
+
+  /**
    * contains - Check if all bits set in data2 are set in data
    */
   static bool contains(unsigned size, Uint32 data[], const Uint32 data2[]);
@@ -261,6 +266,14 @@ BitmaskImpl::bitXOR(unsigned size, Uint32 data[], const Uint32 data2[])
   }
 }
 
+inline void
+BitmaskImpl::bitXORC(unsigned size, Uint32 data[], const Uint32 data2[])
+{
+  for (unsigned i = 0; i < size; i++) {
+    data[i] ^= ~data2[i];
+  }
+}
+
 inline bool
 BitmaskImpl::contains(unsigned size, Uint32 data[], const Uint32 data2[])
 {
@@ -452,6 +465,12 @@ public:
   BitmaskPOD<size>& bitXOR(const BitmaskPOD<size>& mask2);
 
   /**
+   * bitXORC - Bitwise (x ^ ~y) into first operand.
+   */
+  static void bitXORC(Uint32 data[], const Uint32 data2[]);
+  BitmaskPOD<size>& bitXORC(const BitmaskPOD<size>& mask2);
+
+  /**
    * contains - Check if all bits set in data2 (that) are also set in data (this)
    */
   static bool contains(Uint32 data[], const Uint32 data2[]);
@@ -713,6 +732,21 @@ BitmaskPOD<size>::bitXOR(const BitmaskPOD<size>& mask2)
 }
 
 template <unsigned size>
+inline void
+BitmaskPOD<size>::bitXORC(Uint32 data[], const Uint32 data2[])
+{
+  BitmaskImpl::bitXORC(size,data, data2);
+}
+
+template <unsigned size>
+inline BitmaskPOD<size>&
+BitmaskPOD<size>::bitXORC(const BitmaskPOD<size>& mask2)
+{
+  BitmaskPOD<size>::bitXORC(rep.data, mask2.rep.data);
+  return *this;
+}
+
+template <unsigned size>
 char *
 BitmaskPOD<size>::getText(const Uint32 data[], char* buf)
 {