replication fixes -- "first: true" support (local.dbinfo.*); clean up class name

db/dbinfo.cpp

@@ -0,0 +1,45 @@
+// dbinfo.cpp
+
+/**
+*    Copyright (C) 2008 10gen Inc.
+*  
+*    This program is free software: you can redistribute it and/or  modify
+*    it under the terms of the GNU Affero General Public License, version 3,
+*    as published by the Free Software Foundation.
+*  
+*    This program is distributed in the hope that it will be useful,
+*    but WITHOUT ANY WARRANTY; without even the implied warranty of
+*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*    GNU Affero General Public License for more details.
+*  
+*    You should have received a copy of the GNU Affero General Public License
+*    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "stdafx.h"
+#include "db.h"
+
+void DBInfo::setHaveLogged() { 
+    if( haveLogged() ) 
+        return;
+
+    NamespaceDetails *d = nsdetails(ns.c_str());
+    assert( d == 0 || d->nrecords == 0 );
+    BSONObjBuilder b;
+    b.appendBool("haveLogged", true);
+    BSONObj o = b.done();
+    theDataFileMgr.insert(ns.c_str(), (void *) o.objdata(), o.objsize());
+}
+
+int deleteObjects(const char *ns, BSONObj pattern, bool justOne, bool god);
+
+void DBInfo::dbDropped() { 
+    BSONObj empty;
+    deleteObjects(ns.c_str(), empty, false, false);
+
+    /* do we also need to clear the info in 'dbs' in local.sources if we 
+are a slave? 
+       TODO if so.  need to be careful not to mess up replications of dropDatabase().
+       */
+}
+