removed unused variables

    assigned "localhost" as default connectstring
    added a disconnect() first in connect()
    removed double implementation of connect code, use connect() in NdbRestarter
    removed extra "host=" in connectstring


ndb/include/mgmapi/mgmapi.h:
  removed wrong comment
ndb/test/include/NdbRestarter.hpp:
  removed unused variables
ndb/test/src/NdbBackup.cpp:
  removed double implementation of connect code, use connect() in NdbRestarter
  removed extra "host=" in connectstring
ndb/test/src/NdbRestarter.cpp:
  removed unused variables
  assigned "localhost" as default connectstring
  added a disconnect() first in connect()

ndb/include/mgmapi/mgmapi.h

@@ -356,8 +356,6 @@ extern "C" {
   /** 
    * Create a handle to a management server
    *
-   * @param   connect_string Connect string to the management server, 
-   *
    * @return                 A management handle<br>
    *                         or NULL if no management handle could be created. 
    */

ndb/test/include/NdbRestarter.hpp

@@ -87,8 +87,6 @@ protected:
   
   bool connected;
   BaseString addr;
-  BaseString host;
-  int port;
   NdbMgmHandle handle;
   ndb_mgm_configuration * m_config;
 protected:

ndb/test/src/NdbBackup.cpp

@@ -69,26 +69,19 @@ NdbBackup::getBackupDataDirForNode(int _node_id){
   /**
    * Fetch configuration from management server
    */
-  ConfigRetriever cr(0, 0, NODE_TYPE_API);
-  ndb_mgm_configuration * p = 0;
-
-  BaseString tmp; tmp.assfmt("%s:%d", host.c_str(), port);
-  NdbMgmHandle handle = ndb_mgm_create_handle();
-  if(handle == 0 || 
-     ndb_mgm_set_connectstring(handle,tmp.c_str()) != 0 ||
-     ndb_mgm_connect(handle,0,0,0) != 0 ||
-     (p = ndb_mgm_get_configuration(handle, 0)) == 0){
-    
-    const char * s = 0;
-    if(p == 0 && handle != 0){
-      s = ndb_mgm_get_latest_error_msg(handle);
-      if(s == 0)
-	s = "No error given!";
+  ndb_mgm_configuration *p;
+  if (connect())
+    return NULL;
+
+  if ((p = ndb_mgm_get_configuration(handle, 0)) == 0)
+  {
+    const char * s= ndb_mgm_get_latest_error_msg(handle);
+    if(s == 0)
+      s = "No error given!";
       
-      ndbout << "Could not fetch configuration" << endl;
-      ndbout << s << endl;
-      return NULL;
-    }
+    ndbout << "Could not fetch configuration" << endl;
+    ndbout << s << endl;
+    return NULL;
   }
   
   /**
@@ -153,7 +146,7 @@ NdbBackup::execRestore(bool _restore_data,
   
   ndbout << "scp res: " << res << endl;
   
-  BaseString::snprintf(buf, 255, "%sndb_restore -c \"host=%s\" -n %d -b %d %s %s .", 
+  BaseString::snprintf(buf, 255, "%sndb_restore -c \"%s\" -n %d -b %d %s %s .", 
 #if 1
 	   "",
 #else

ndb/test/src/NdbRestarter.cpp

@@ -32,12 +32,11 @@
 
 NdbRestarter::NdbRestarter(const char* _addr): 
   connected(false),
-  port(-1),
   handle(NULL),
   m_config(0)
 {
   if (_addr == NULL){
-    addr.assign("");
+    addr.assign("localhost");
   } else {
     addr.assign(_addr);
   }
@@ -360,6 +359,7 @@ NdbRestarter::isConnected(){
 
 int 
 NdbRestarter::connect(){
+  disconnect();
   handle = ndb_mgm_create_handle();   
   if (handle == NULL){
     g_err << "handle == NULL" << endl;