private static void GetFilesOnS3(object state)
{
System.Console.WriteLine("Check Files on S3...");
ListObjectsResponse listObjectsResponse = _amazonS3Client.ListObjects(new ListObjectsRequest {
BucketName = BucketName
});
foreach (S3Object s3Object in listObjectsResponse.S3Objects)
{
FileInfo fileInfo = new FileInfo(Path.Combine(_folder, s3Object.Key));
if (fileInfo.Exists)
{
System.Console.WriteLine(s3Object.Key + " exist");
GetObjectMetadataRequest getObjectMetadataRequest = new GetObjectMetadataRequest();
getObjectMetadataRequest.WithBucketName(BucketName).WithKey(s3Object.Key);
GetObjectMetadataResponse getObjectMetadataResponse = _amazonS3Client.GetObjectMetadata(getObjectMetadataRequest);
//int dateCompare = DateTime.Compare(fileInfo.LastWriteTime., DateTime.Parse(getObjectMetadataResponse.Metadata["x-amz-meta-LWT"]));
int dateCompare = (int)(fileInfo.LastWriteTime - DateTime.Parse(getObjectMetadataResponse.Metadata["x-amz-meta-LWT"])).TotalSeconds;
if (dateCompare == 0)
{
System.Console.WriteLine("No difference, do nothing");
}
else if (dateCompare < 0)
{
System.Console.WriteLine("S3 is newer");
DownloadFile(s3Object);
}
else if (dateCompare > 0)
{
System.Console.WriteLine("FS is newer");
UploadFile(fileInfo);
}
}
else
{
System.Console.WriteLine(s3Object.Key + " doesn't exist");
DownloadFile(s3Object);
}
}
foreach (string file in Directory.GetFiles(_folder))
{
FileInfo fileInfo = new FileInfo(file);
if (!listObjectsResponse.S3Objects.Any(s => s.Key == fileInfo.Name))
{
UploadFile(fileInfo);
}
}
}
public bool ObjectExists(Uri uri)
{
CheckUri(uri);
try
{
using (var client = CreateAmazonS3Client())
{
try
{
var absolutePath = HttpUtility.UrlDecode(uri.AbsolutePath);
var key = absolutePath.TrimStart('/');
var request = new GetObjectMetadataRequest();
request.WithBucketName(bucketName)
.WithKey(key)
.WithTimeout(timeout)
.WithReadWriteTimeout(timeout);
using (client.GetObjectMetadata(request))
{
return(true);
}
}
catch (AmazonS3Exception ex)
{
if (ex.StatusCode == HttpStatusCode.NotFound)
{
return(false);
}
// Status not found - throw the exception.
throw;
}
}
}
catch (Exception e)
{
throw new StorageException(string.Format("Failed to check if object exists {0}.", uri), e);
}
}