IEnumerator DoDownloadFile(int index, int count, long size, EndPoint endpoint, string localPath, string remoteUrl)
{
EB.Debug.Log("Do Download file " + remoteUrl);
var uri = new Uri(remoteUrl);
FileStream stream = null;
var md5 = Digest.MD5();
string etag = string.Empty;
long downloaded = 0;
EB.Debug.Log("downloading to " + localPath);
var onHeaders = (System.Action <Net.WebRequest>) delegate(Net.WebRequest r){
if (r.statusCode != 200)
{
EB.Debug.LogError("NON-200 " + r.statusCode);
return;
}
etag = r.GetResponseHeader("etag").Replace("\"", "").ToUpper();
md5.Reset();
downloaded = 0;
EB.Debug.Log("etag: " + etag);
try {
Directory.CreateDirectory(Path.GetDirectoryName(localPath));
}
catch (System.Exception ex) {
EB.Debug.Log("Failed to create directory " + ex.ToString());
}
try
{
if (stream != null)
{
stream.Close();
stream = null;
}
stream = new FileStream(localPath, FileMode.Create, FileAccess.ReadWrite);
}
catch (System.Exception ex)
{
EB.Debug.LogError("Failed to create file " + localPath + " " + ex);
}
};
var onData = (System.Action <byte[]>) delegate(byte[] data)
{
try {
if (stream != null)
{
stream.Write(data, 0, data.Length);
// add to md5
md5.Update(data, 0, data.Length);
//md5.TransformBlock(data, 0, data.Length, null, 0);
downloaded += data.Length;
}
}
catch (System.Exception ex) {
EB.Debug.Log("Write Failed!! " + ex.ToString());
Error = "ID_SPARX_CONTENT_FAILED_EXTRACT";
// re-throw
throw ex;
}
};
var request = endpoint.Get(uri.Path);
request.dataCallback = onData;
request.headersCallback = onHeaders;
var id = endpoint.Service(request, delegate(Response r){
if (stream != null)
{
stream.Flush();
stream.Close();
}
if (r.sucessful)
{
// check md5
//md5.TransformFinalBlock(new byte[0], 0, 0);
//var hash = Encoding.ToHexString(md5.Hash);
var digest = md5.Final();
var hash = Encoding.ToHexString(digest);
if (hash != etag)
{
EB.Debug.LogError("md5 failure " + hash + "!=" + etag);
}
else
{
return;
}
}
EB.Debug.LogError("download failed, removing file " + localPath);
try {
File.Delete(localPath);
}
catch {}
});
var waiter = new WaitForFixedUpdate();
var info = "";
while (string.IsNullOrEmpty(Error) == true)
{
var progress = (int)(100 * (float)downloaded / (float)size);
info = Localizer.Format("ID_SPARX_CONTENT_DOWNLOAD_PROGRESS", (index + 1), count, progress);
Notify(info);
yield return(waiter);
if (endpoint.IsDone(id))
{
break;
}
}
yield break;
}