Ejemplo n.º 1
0
        public void Open(string szFile)
        {
            using (BinaryReader br = new BinaryReader(File.OpenRead(szFile), Encoding.Default))
            {
                byte nCipherIndex = 0;
                while (br.PeekChar() != -1)
                {
                    CSDATA_INDEX index = new CSDATA_INDEX();

                    byte nStrLen = br.ReadByte();
                    Cipher(ref nStrLen, ref nCipherIndex);

                    byte[] szHash = br.ReadBytes(nStrLen);
                    Cipher(ref szHash, ref nCipherIndex);

                    byte[] nVal = br.ReadBytes(8);
                    Cipher(ref nVal, ref nCipherIndex);

                    index.szHash  = Encoding.Default.GetString(szHash);
                    index.nOffset = BitConverter.ToUInt32(nVal, 0);
                    index.nSize   = BitConverter.ToUInt32(nVal, 4);
                    index.nFile   = GetFileID(index.szHash);
                    index.szName  = Decode(index.szHash);
                    hash.Add(index.szName);
                    m_lClient.Add(index);
                }
            }
        }
Ejemplo n.º 2
0
        public void Patch(string szFile, string szPath)
        {
            FileInfo pInfo  = new FileInfo(szFile);
            string   szHash = Encode(Path.GetFileName(szFile));

            var index = m_lClient.Find(r => r.szHash == szHash);

            bool bIsNew = false;

            if (index == null)
            {
                bIsNew       = true;
                index        = new CSDATA_INDEX();
                index.szHash = szHash;
                index.nFile  = GetFileID(index.szHash);
            }
            else
            {
                m_lClient.Remove(index);
            }

            string szDataFile = Path.Combine(szPath, "data.00" + index.nFile);

            FileStream tFileStream = (!bIsNew && pInfo.Length <= index.nSize)
                                        ? new FileStream(szDataFile, FileMode.Open)
                                        : new FileStream(szDataFile, FileMode.Append);

            using (BinaryWriter bWriter = new BinaryWriter(tFileStream))
            {
                if (!bIsNew && pInfo.Length <= index.nSize)
                {
                    // Replace
                    bWriter.BaseStream.Position = index.nOffset;
                    index.nSize = (uint)pInfo.Length;
                }
                else
                {
                    // Append
                    bWriter.BaseStream.Position = new FileInfo(szDataFile).Length;
                    index.nSize   = (uint)pInfo.Length;
                    index.nOffset = (uint)bWriter.BaseStream.Position;
                }

                using (BinaryReader bReader = new BinaryReader(File.OpenRead(szFile)))
                {
                    byte[] pBuffer = bReader.ReadBytes((int)bReader.BaseStream.Length);
                    if (Encrypted(pInfo.Extension))
                    {
                        byte nCipherIndex = 0;
                        Cipher(ref pBuffer, ref nCipherIndex);
                    }
                    bWriter.Write(pBuffer);
                }
                m_lClient.Add(index);
            }
        }
Ejemplo n.º 3
0
        public int Patch(string szPath, CSDATA_INDEX patchIndex)
        {
            FileInfo fiCheck = new FileInfo(patchIndex.szName);
            string   szValue = string.Format("{0}(ascii){1}", Path.GetFileNameWithoutExtension(fiCheck.Name), fiCheck.Extension).ToLower();

            if (hash.Contains(szValue) && fiCheck.Extension.Contains("rdb"))
            {
                return(-1);
            }

            string szDataFile    = Path.Combine(szPath, "data.00" + patchIndex.nFile);
            string szDataFileNew = tempDataName[patchIndex.nFile] != null ? tempDataName[patchIndex.nFile] : (tempDataName[patchIndex.nFile] = Path.GetTempFileName()); //Path.Combine(string.Format("{0}\\new\\", szPath), "data.00" + patchIndex.nFile);

            if (!File.Exists(szDataFileNew))
            {
                File.Create(szDataFileNew).Close();
            }

            FileStream tFileStream = new FileStream(szDataFileNew, FileMode.Append);

            using (BinaryWriter bWriter = new BinaryWriter(tFileStream))
            {
                var oldOffset = patchIndex.nOffset;
                // Append
                bWriter.BaseStream.Position = new FileInfo(szDataFileNew).Length;
                patchIndex.nOffset          = (uint)bWriter.BaseStream.Position;

                using (BinaryReader bReader = new BinaryReader(File.OpenRead(szDataFile)))
                {
                    bReader.BaseStream.Position = oldOffset;
                    bWriter.Write(bReader.ReadBytes((int)patchIndex.nSize));
                }
            }
            m_lClientNew.Add(patchIndex);
            return(0);
        }