Пример #1
0
 //This method reads the Inodes in the Inode block in my file system
 public void read(InodeBlock inodeBlock)
 //public void read(int blockNumber, InodeBlock inodeBlock)
 {
     try
     {
         ////myPFS = System.IO.File.Open(path, FileMode.Open);
         ////seekBlock(blockNumber);
         for (int i = 0; i < inodeBlock.iNode.Length; i++)
         {
             myPFS = System.IO.File.Open(path, FileMode.Open);
             seekBlock(i + 1);
             using (StreamReader sReader = new StreamReader(myPFS))
             {
                 inodeBlock.iNode[i].InodeFlag       = Convert.ToInt32(sReader.Read());
                 inodeBlock.iNode[i].FileOwner       = Convert.ToInt32(sReader.Read());
                 inodeBlock.iNode[i].FileCreatedDate = Convert.ToDateTime(sReader.Read());
                 inodeBlock.iNode[i].FileCreatedTime = Convert.ToDateTime(sReader.Read());
                 inodeBlock.iNode[i].FileSize        = Convert.ToInt32(sReader.Read());
                 inodeBlock.iNode[i].Remarks         = Convert.ToString(sReader.Read());
                 for (int j = 0; j < 13; j++)
                 {
                     inodeBlock.iNode[i][j] = Convert.ToInt32(sReader.Read());
                 }
             }
         }
     }
     catch (Exception exception)
     {
         //Console.WriteLine(exception.Message);
     }
 }
Пример #2
0
 //This method writes the required data in the respective Inodes in the Inode block
 public void write(InodeBlock iNodeBlock)
 ////public void write(int blockNumber, InodeBlock iNodeBlock)
 {
     ////myPFS = System.IO.File.Open(path, FileMode.Open);
     ////seekBlock(blockNumber);
     ////using (StreamWriter sWriter = new StreamWriter(myPFS))
     ////{
     try
     {
         for (int i = 0; i < iNodeBlock.iNode.Length; i++)
         {
             myPFS = System.IO.File.Open(path, FileMode.Open);
             seekBlock(i + 1);
             using (StreamWriter sWriter = new StreamWriter(myPFS))
             {
                 //Console.WriteLine(i);
                 sWriter.Write(iNodeBlock.iNode[i].InodeFlag);
                 sWriter.Write(iNodeBlock.iNode[i].FileOwner);
                 sWriter.Write(iNodeBlock.iNode[i].FileCreatedDate);
                 sWriter.Write(iNodeBlock.iNode[i].FileCreatedTime);
                 sWriter.Write(iNodeBlock.iNode[i].FileSize);
                 sWriter.Write(iNodeBlock.iNode[i].Remarks);
                 for (int j = 0; j < 13; j++)
                 {
                     sWriter.Write(iNodeBlock.iNode[i][j]);
                 }
                 foreach (var item in iNodeBlock.iNode[i].dataBlocks)
                 {
                     sWriter.Write(item);
                 }
             }
         }
     }
     catch (Exception exception)
     {
         //Console.WriteLine(exception.Message);
     }
     //// }
 }
Пример #3
0
 //This method initializes the file system with the data for the super block as well as
 //data for the inode blocks
 public void initializeDisk(int size)
 {
     //This sets the total blocks available in the file system
     superBlock.FileSystemBlocks = size;
     //This sets the total available data blocks in the file system
     superBlock.FreeBlocks = size - 5;
     //This method writes the first block in the file which is the super block
     //with the required data about the file system
     myDisk.write(0, superBlock);
     inodeBlock = new InodeBlock();
     //int count = 0;
     ////for(int i = 1; i <= inodeBlock.iNode.Length; i++)
     ////{
     //This method creates the inode block with the required inode data in each block
     ////myDisk.write(i, inodeBlock.iNode[count]);
     myDisk.write(inodeBlock);
     ////count++;
     ////}
     for (int i = 5; i < superBlock.FreeBlocks; i++)
     {
         myDisk.initializeDataBlocks(i);
     }
 }