ability to make a Client god for a little while

db/client.cpp

@@ -35,7 +35,8 @@ namespace mongo {
       _op(new CurOp()),
       _database(0), _ns("")/*, _nsstr("")*/ 
       ,_shutdown(false),
-      _desc(desc)
+      _desc(desc),
+      _god(0)
     { 
         ai = new AuthenticationInfo(); 
 
@@ -47,6 +48,7 @@ namespace mongo {
         delete _op;
         delete ai; 
         ai = 0;
+        _god = 0;
         if ( !_shutdown ) {
             cout << "ERROR: Client::shutdown not called!" << endl;
         }

db/client.h

@@ -31,6 +31,7 @@ namespace mongo {
 
     class AuthenticationInfo;
     class Database;
+    class ClientGod;
     struct CurOp;
 
     class Client : boost::noncopyable { 
@@ -45,6 +46,7 @@ namespace mongo {
         bool _shutdown;
         list<string> _tempCollections;
         const char *_desc;
+        bool _god;
     public:
         AuthenticationInfo *ai;
         Top top;
@@ -77,6 +79,11 @@ namespace mongo {
            @return true if anything was done
          */
         bool shutdown();
+
+        bool isGod(){ return _god; }
+
+    private:
+        friend class ClientGod;
     };
     
     /* defined in security.cpp */
@@ -90,5 +97,16 @@ namespace mongo {
         assert( currentClient.get() == 0 );
         currentClient.reset( new Client(desc) );
     }
-
+    
+    class ClientGod {
+    public:
+        ClientGod(){
+            _prev = cc()._god;
+            cc()._god = true;
+        }
+        ~ClientGod(){
+            cc()._god = _prev;
+        }
+        bool _prev;
+    };
 };

db/replset.h

@@ -134,7 +134,10 @@ namespace mongo {
                 return true;
             }
         }
-
+        
+        if ( cc().isGod() )
+            return true;
+        
         return strcmp( client, "local" ) == 0;
     }
     inline bool isMasterNs( const char *ns ) {