/// <summary>
/// Display file details
/// </summary>
/// <param name="owfile"> 1-Wire file to show details of </param>
internal static void showDetails(OWFile owfile)
{
int[] page_list;
int local_pg;
PagedMemoryBank pmb;
// check if this directory/file exists
if (!owfile.exists())
{
Debug.WriteLine("-----------------------------------------------");
Debug.WriteLine("Directory/file not found!");
Debug.WriteLine("-----------------------------------------------");
return;
}
// get the list of pages that make up this directory/file
Debug.WriteLine("Page allocation of " + (owfile.File ? "file:" : "directory:"));
try
{
page_list = owfile.PageList;
}
catch (IOException e)
{
Debug.WriteLine(e);
return;
}
// loop to display info and contents of each page
for (int pg = 0; pg < page_list.Length; pg++)
{
local_pg = owfile.getLocalPage(page_list[pg]);
Debug.WriteLine("Filesystem page=" + page_list[pg] + ", local PagedMemoryBank page=" + owfile.getLocalPage(page_list[pg]));
pmb = owfile.getMemoryBankForPage(page_list[pg]);
byte[] read_buf = new byte[pmb.PageLength];
try
{
pmb.readPage(local_pg, false, read_buf, 0);
hexPrint(read_buf, 0, read_buf.Length);
Debug.WriteLine("");
}
catch (OneWireException e)
{
Debug.WriteLine(e);
}
}
}
/// <summary>
/// <P>Asserts that proper account info exists for this SHAiButtonUser
/// and establishes a buffer for caching account data.</P>
/// </summary>
/// <param name="ibc"> the OneWireContainer whose account info is checked </param>
/// <returns> whether or not the device is initialized properly </returns>
protected internal virtual bool checkAccountPageInfo(OneWireContainer ibc)
{
lock (this)
{
//this flag should only be set if there is valid data
if (accountPageNumber <= 0)
{
try
{
//create a file object representing service file
OWFile owf = new OWFile(ibc, strServiceFilename);
//check to see if file exists
if (!owf.exists())
{
return(false);
}
//get the page number for the file
//this.accountPageNumber = owf.getPageList()[0];
this.accountPageNumber = owf.StartPage;
//close the file
owf.close();
//mark the cache as dirty
this.accountData[0] = 0;
//clear the write cycle counter
this.writeCycleCounter = -1;
}
catch (System.Exception e)
{
this.accountPageNumber = -1;
if (DEBUG)
{
OneWireEventSource.Log.Debug(e.ToString());
OneWireEventSource.Log.Debug(e.StackTrace);
}
}
}
return(this.accountPageNumber > 0);
}
}
/// <summary>
/// <P>Create's empty service file for the user with the given filename.
/// Also, it populates <code>accountPageNumber</code> with the page
/// that the service file is stored on.</P>
/// </summary>
/// <param name="owc"> the 1-wire device where the service file will be created. </param>
/// <param name="filename"> the filename of the service file. </param>
/// <param name="formatDevice"> if <code>true</code>, the device is formatted
/// before creating the service file. </param>
protected internal virtual bool createServiceFile(OneWireContainer owc, string filename, bool formatDevice)
{
bool bRetVal = false;
OWFile owf = new OWFile(owc, strServiceFilename);
try
{
if (formatDevice)
{
owf.format();
}
if (!owf.exists())
{
owf.createNewFile();
}
//save reference to page number for service file
this.accountPageNumber = owf.PageList[0];
bRetVal = true;
}
catch (IOException ioe)
{
bRetVal = false;
OneWireEventSource.Log.Debug(ioe.ToString());
OneWireEventSource.Log.Debug(ioe.StackTrace);
}
try
{
owf.close();
return(bRetVal);
}
catch (IOException ioe)
{
OneWireEventSource.Log.Debug(ioe.ToString());
OneWireEventSource.Log.Debug(ioe.StackTrace);
/*well, at least I tried!*/
return(false);
}
}
