TB9.2 Example Applications: examples/Base/FileServer/Connecting/Connecting.cpp Source File

00001 // Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).
+00002 // All rights reserved.
+00003 // This component and the accompanying materials are made available
+00004 // under the terms of "Eclipse Public License v1.0"
+00005 // which accompanies this distribution, and is available
+00006 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
+00007 //
+00008 // Initial Contributors:
+00009 // Nokia Corporation - initial contribution.
+00010 //
+00011 // Contributors:
+00012 //
+00013 // Description:
+00014 // NB. THE FOLLOWING CODE CREATES A DIRECTORY CALLED F32TEST IN THE DEFAULT 
+00015 // DIRECTORY AND DELETES IT BEFORE EXITING.
+00016 //
+00017 
+00018 #include <f32file.h>
+00019 #include "CommonFramework.h"
+00020         
+00021 static RFs fsSession;
+00022 
+00023 static void doExampleL()
+00024     {
+00025         // Define descriptor constants using the _LIT macro 
+00026         _LIT(KMessage1,"Default path for fsSession is %S\n");
+00027         _LIT(KMessage2,"Session path for fsSession is now %S\n");
+00028         _LIT(KMessage3,"Session path for fsSession2 is %S\n");
+00029     _LIT(KTestDir,"f32test\\");
+00030 
+00031           // Open file server session
+00032         User::LeaveIfError(fsSession.Connect());
+00033         
+00034           // Get the default session path, and display it.
+00035           // It should be the private path for this (process)
+00036           // i.e.\private\0fffff04 of the writable drive.
+00037         TFileName path;
+00038         User::LeaveIfError(fsSession.SessionPath(path));
+00039         console->Printf(KMessage1,&path);
+00040 
+00041           // Create a directory within the default session path.
+00042           // and then set the default path to the full directory.
+00043           //
+00044           // Steps.
+00045           // 
+00046           // 1  Create the private path - it is not automatically created by the Symbian platform.
+00047           // 2. Get the name of the private path
+00048           // 3. Create the new directory level f32test\ within the private path
+00049           // 4. Set the session path to \private\0fffff04\f32test.
+00050         User::LeaveIfError(fsSession.CreatePrivatePath(RFs::GetSystemDrive())); // <--- 1.
+00051         fsSession.PrivatePath(path);   // <------------------------------ 2.
+00052         path.Append(KTestDir);
+00053         User::LeaveIfError(fsSession.MkDir(path));// <------------------- 3.
+00054         User::LeaveIfError(fsSession.SetSessionPath(path)); // <--------- 4.
+00055                 
+00056           // Retrieve the session path to make sure that the system
+00057           // agrees with what we believe is the new session path.
+00058           // Clear the path descriptor; this is NOT necessary, but just
+00059           // shows that we are not cheating !
+00060     path.SetLength(0);
+00061     User::LeaveIfError(fsSession.SessionPath(path));
+00062         console->Printf(KMessage2,&path);
+00063          
+00064           // Make another connection to the file server and show  
+00065           // its default session path.It should be the original 
+00066           // private path for this (process) i.e.\private\0fffff04
+00067           // of the writable drive.
+00068         RFs fsSession2;
+00069         User::LeaveIfError(fsSession2.Connect());
+00070         fsSession2.SessionPath(path);
+00071         console->Printf(KMessage3,&path);
+00072 
+00073       // Remove the \f32test\ directory 
+00074         fsSession.PrivatePath(path);       
+00075         path.Append(KTestDir);
+00076         User::LeaveIfError(fsSession.RmDir(path));
+00077         
+00078           // Close these two sessions with the file server.
+00079         fsSession2.Close();
+00080         fsSession.Close();
+00081         }
+