Beispiel #1
0
        public override long Seek(long offset, SeekOrigin origin)
        {
            if (!this.CanSeek)
            {
                throw new InvalidOperationException();
            }
            ThreadSafeStream.Node node = this.GetNode();
            long num = 0L;

            switch (origin)
            {
            case SeekOrigin.Begin:
                num = offset;
                break;

            case SeekOrigin.Current:
                num = node.Position + offset;
                break;

            case SeekOrigin.End:
                num = this.Length + offset;
                break;
            }
            if (num < 0L || num > this.Length)
            {
                throw new ArgumentOutOfRangeException("offset");
            }
            else
            {
                return(node.Position = num);
            }
        }
Beispiel #2
0
 public override void Write(byte[] buffer, int offset, int count)
 {
     ThreadSafeStream.Node node = this.GetNode();
     lock (this._streamLock)
     {
         if (this._baseStream.Position != node.Position)
         {
             this._baseStream.Position = node.Position;
         }
         this._baseStream.Write(buffer, offset, count);
         this._length = this._baseStream.Length;
     }
     node.Position += (long)count;
 }
Beispiel #3
0
        public override int Read(byte[] buffer, int offset, int count)
        {
            ThreadSafeStream.Node node = this.GetNode();
            int num;

            lock (this._streamLock)
            {
                if (this._baseStream.Position != node.Position)
                {
                    this._baseStream.Position = node.Position;
                }
                num = this._baseStream.Read(buffer, offset, count);
            }
            node.Position += (long)num;
            return(num);
        }