public void BeginDownload()
{
string directory = Path.GetDirectoryName(m_filepath);
if (!string.IsNullOrEmpty(directory) && !FileManager.IsDirectoryExist(directory))
{
FileManager.CreateDirectory(directory);
}
try
{
if (FileManager.IsFileExist(m_filepath))
{
FileManager.DeleteFile(m_filepath);
}
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(new Uri(m_url));
httpWebRequest.Timeout = TIMEOUT;
httpWebRequest.KeepAlive = false;
HttpWebResponse httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
byte[] buffer = new byte[ChunkSize];
using (FileStream fs = new FileStream(m_filepath, FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
using (Stream stream = httpWebResponse.GetResponseStream())
{
if (stream != null)
{
int size = stream.Read(buffer, 0, buffer.Length);
while (size > 0)
{
fs.Write(buffer, 0, size);
size = stream.Read(buffer, 0, buffer.Length);
}
}
}
}
httpWebRequest.Abort();
httpWebRequest = null;
httpWebResponse.Close();
httpWebResponse = null;
string downloadmd5 = String.Empty;
if (FileManager.IsFileExist(m_filepath))
{
downloadmd5 = MD5Util.ComputeFileHash(m_filepath);
}
string servermd5 = Singleton <UpdateManager> .GetInstance().newmd5Table[m_filename].md5;
if (downloadmd5.Equals(servermd5))
{
GameFrame.Update.FileInfo fileInfo = Singleton <UpdateManager> .Instance.newmd5Table[m_filename];
Singleton <UpdateManager> .Instance.DownloadSize += fileInfo.size;
Singleton <UpdateManager> .Instance.AppendHasUpdateFile(m_filename, downloadmd5, fileInfo.size);
}
else
{
Singleton <UpdateManager> .GetInstance().m_redownloadList.Add(m_filename);
}
callback();
}
catch (Exception e)
{
Singleton <UpdateManager> .GetInstance().m_redownloadList.Add(m_filename);
callback();
}
}
public static string GetMd5UTF8(string data)
{
return(MD5Util.ComputeHashUTF8(data));
}
public static string GetMd5Unicode(string data)
{
return(MD5Util.ComputeHashUnicode(data));
}
public static string GetMD5(byte[] data)
{
return(MD5Util.ComputeHash(data));
}
