cde/lib/tt/lib/db/tt_db_network_path.C

   1 /*
   2  * CDE - Common Desktop Environment
   3  *
   4  * Copyright (c) 1993-2012, The Open Group. All rights reserved.
   5  *
   6  * These libraries and programs are free software; you can
   7  * redistribute them and/or modify them under the terms of the GNU
   8  * Lesser General Public License as published by the Free Software
   9  * Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * These libraries and programs are distributed in the hope that
  13  * they will be useful, but WITHOUT ANY WARRANTY; without even the
  14  * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  15  * PURPOSE. See the GNU Lesser General Public License for more
  16  * details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with these librararies and programs; if not, write
  20  * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
  21  * Floor, Boston, MA 02110-1301 USA
  22  */
  23 //%%  (c) Copyright 1993, 1994 Hewlett-Packard Company
  24 //%%  (c) Copyright 1993, 1994 International Business Machines Corp.
  25 //%%  (c) Copyright 1993, 1994 Sun Microsystems, Inc.
  26 //%%  (c) Copyright 1993, 1994 Novell, Inc.
  27 //%%  $XConsortium: tt_db_network_path.C /main/3 1995/10/23 10:03:29 rswiston $
  28 /*
  29  * tt_db_network_path.cc - Defines a function that takes a local
  30  *      path and returns the real local path, hostname, partition
  31  *      and real remote path of the file.  The partition and real
  32  *      remote path are for the file on its native host.
  33  *
  34  * Copyright (c) 1990 by Sun Microsystems, Inc.
  35  *
  36  * Implementation for filepath utility functions
  37  *
  38  */
  39
  40 #include "util/tt_path.h"
  41 #include "util/tt_file_system.h"
  42 #include "util/tt_file_system_entry.h"
  43 #include "db/tt_db_hostname_global_map_ref.h"
  44
  45 _Tt_db_results _tt_db_network_path (const _Tt_string &path,
  46                                     _Tt_string       &local_path,
  47                                     _Tt_string       &hostname,
  48                                     _Tt_string       &partition,
  49                                     _Tt_string       &network_path)
  50 {
  51         _Tt_db_results results = TT_DB_OK;
  52
  53
  54         if (_tt_is_network_path(path)) {
  55                 local_path = _tt_network_path_to_local_path(path);
  56         } else {
  57                 local_path = _tt_realpath(path);
  58         }
  59
  60         _Tt_file_system file_system;
  61         _Tt_file_system_entry_ptr file_system_entry =
  62                             file_system.bestMatchToPath(local_path);
  63
  64         hostname = file_system_entry->getHostname();
  65
  66         if (file_system_entry->isLocal()) {
  67                 partition = file_system_entry->getMountPoint();
  68
  69                 _Tt_string loop_back_mount_point =
  70                        file_system_entry->getLoopBackMountPoint();
  71
  72                 if (loop_back_mount_point.len ()) {
  73                         // Get the path info after the mount point path
  74                         local_path = local_path.right(local_path.len() -
  75                                                 loop_back_mount_point.len());
  76
  77                         // Replace the mount point path with
  78                         // the exported partition path.
  79                         if (partition != "/") {
  80                                 local_path = loop_back_mount_point.cat(local_path);
  81                         }
  82                 }
  83                 network_path = hostname.cat(":").cat(local_path);
  84         } else {
  85                 _Tt_db_hostname_global_map_ref map_ref;
  86                 _Tt_db_client_ptr database =
  87                         map_ref.getDB(hostname, hostname, results);
  88
  89                 if (!database.is_null()) {
  90                         _Tt_string temp_string;
  91                         _Tt_string local_network_path;
  92
  93                         if (_tt_is_network_path(path)) {
  94                                 local_network_path = path;
  95                         } else {
  96                                 local_network_path =
  97                                         _tt_local_network_path(path);
  98                         }
  99
 100                         results = database->getFilePartition(local_network_path,
 101                                                              partition,
 102                                                              network_path);
 103                 }
 104
 105                 if ((results == TT_DB_ERR_DB_CONNECTION_FAILED) ||
 106                     (results == TT_DB_ERR_RPC_CONNECTION_FAILED) ||
 107                     (results == TT_DB_ERR_RPC_FAILED) ||
 108                     (results == TT_DB_ERR_DB_OPEN_FAILED)) {
 109                         map_ref.removeDB (hostname);
 110                 }
 111         }
 112
 113         return results;
 114 }