replaced some "localhost" checks with try bind

removed some #id 0 code


ndb/src/common/mgmcommon/ConfigRetriever.cpp:
  replaced some "localhost" checks with try bind
ndb/src/mgmsrv/MgmtSrvr.cpp:
  removed some #id 0 code

ndb/src/common/mgmcommon/ConfigRetriever.cpp

@@ -18,6 +18,7 @@
 #include <ndb_version.h>
 
 #include <ConfigRetriever.hpp>
+#include <SocketServer.hpp>
 
 #include "LocalConfig.hpp"
 #include <NdbSleep.h>
@@ -272,43 +273,15 @@ ConfigRetriever::verifyConfig(const struct ndb_mgm_configuration * conf, Uint32
     NdbConfig_SetPath(datadir);
   }
 
-  char localhost[MAXHOSTNAMELEN];
-  if(NdbHost_GetHostName(localhost) != 0){
-    snprintf(buf, 255, "Unable to get own hostname");
+  if (hostname && hostname[0] != 0 &&
+      !SocketServer::tryBind(0,hostname)) {
+    snprintf(buf, 255, "Config hostname(%s) don't match a local interface,"
+	     " tried to bind, error = %d - %s",
+	     hostname, errno, strerror(errno));
     setError(CR_ERROR, buf);
     return false;
   }
 
-  do {
-    if(strlen(hostname) == 0)
-      break;
-
-    if(strcasecmp(hostname, localhost) == 0)
-      break;
-
-    if(strcasecmp(hostname, "localhost") == 0)
-      break;
-
-    struct in_addr local, config;
-    bool b1 = false, b2 = false, b3 = false;
-    b1 = Ndb_getInAddr(&local, localhost) == 0;
-    b2 = Ndb_getInAddr(&config, hostname) == 0;
-    b3 = memcmp(&local, &config, sizeof(local)) == 0;
-
-    if(b1 && b2 && b3)
-      break;
-    
-    b1 = Ndb_getInAddr(&local, "localhost") == 0;
-    b3 = memcmp(&local, &config, sizeof(local)) == 0;
-    if(b1 && b2 && b3)
-      break;
-    
-    snprintf(buf, 255, "Local hostname(%s) and config hostname(%s) dont match",
-	     localhost, hostname);
-    setError(CR_ERROR, buf);
-    return false;
-  } while(false);
-
   unsigned int _type;
   if(ndb_mgm_get_int_parameter(it, CFG_TYPE_OF_SECTION, &_type)){
     snprintf(buf, 255, "Unable to get type of node(%d) from config",

ndb/src/mgmsrv/MgmtSrvr.cpp

@@ -439,59 +439,6 @@ MgmtSrvr::getPort() const {
 
   ndb_mgm_destroy_iterator(iter);
   
-  /*****************
-   * Set Stat Port *
-   *****************/
-#if 0
-  if (!mgmProps->get("PortNumberStats", &tmp)){
-    ndbout << "Could not find PortNumberStats in the configuration file." 
-	   << endl;
-    return false;
-  }
-  glob.port_stats = tmp;
-#endif
-
-#if 0
-  const char * host;
-  if(ndb_mgm_get_string_parameter(iter, mgmProps->get("ExecuteOnComputer", host)){
-    ndbout << "Failed to find \"ExecuteOnComputer\" for my node" << endl;
-    ndbout << "Unable to verify own hostname" << endl;
-    return false;
-  }
-
-  const char * hostname;
-  {
-    const Properties * p;
-    char buf[255];
-    snprintf(buf, sizeof(buf), "Computer_%s", host.c_str());
-    if(!glob.cluster_config->get(buf, &p)){
-      ndbout << "Failed to find computer " << host << " in config" << endl;
-      ndbout << "Unable to verify own hostname" << endl;
-      return false;
-    }
-    if(!p->get("HostName", &hostname)){
-      ndbout << "Failed to find \"HostName\" for computer " << host 
-	     << " in config" << endl;
-      ndbout << "Unable to verify own hostname" << endl;
-      return false;
-    }
-    if(NdbHost_GetHostName(buf) != 0){
-      ndbout << "Unable to get own hostname" << endl;
-      ndbout << "Unable to verify own hostname" << endl;
-      return false;
-    }
-  }
-  
-  const char * ip_address;
-  if(mgmProps->get("IpAddress", &ip_address)){
-    glob.use_specific_ip = true;
-    glob.interface_name = strdup(ip_address);
-    return true;
-  }
-  
-  glob.interface_name = strdup(hostname);
-#endif
-
   return port;
 }
 
@@ -2260,20 +2207,9 @@ MgmtSrvr::alloc_node_id(NodeId * nodeId,
 	}
 	// connecting through localhost
 	// check if config_hostname is local
-#if 1
 	if (!SocketServer::tryBind(0,config_hostname)) {
 	  continue;
 	}
-#else
-	char my_hostname[256];
-	if (gethostname(my_hostname, sizeof(my_hostname)) != 0)
-	  continue;
-	if(Ndb_getInAddr(&tmp_addr, my_hostname) != 0
-	   || memcmp(&tmp_addr, &config_addr, sizeof(config_addr)) != 0) {
-	  // no match
-	  continue;
-	}
-#endif
       }
     } else { // client_addr == 0
       if (!SocketServer::tryBind(0,config_hostname)) {
@@ -2351,7 +2287,8 @@ MgmtSrvr::alloc_node_id(NodeId * nodeId,
       if (found_matching_type)
 	if (found_free_node)
 	  error_string.appfmt("Connection done from wrong host ip %s.",
-			      inet_ntoa(((struct sockaddr_in *)(client_addr))->sin_addr));
+			      inet_ntoa(((struct sockaddr_in *)
+					 (client_addr))->sin_addr));
 	else
 	  error_string.appfmt("No free node id found for %s.",
 			      type_string.c_str());