Example usage for com.amazonaws.services.s3 AmazonS3 getCachedResponseMetadata

Introduction

In this page you can find the example usage for com.amazonaws.services.s3 AmazonS3 getCachedResponseMetadata.

Prototype

public S3ResponseMetadata getCachedResponseMetadata(AmazonWebServiceRequest request);

Source Link

Document

Gets additional metadata for a previously executed successful request.

Usage

From source file:c3.ops.priam.aws.S3FileSystem.java

License:Apache License

@Override
public void upload(AbstractBackupPath path, InputStream in) throws BackupRestoreException {
    uploadCount.incrementAndGet();//ww w  . ja v  a 2s  .co  m
    AmazonS3 s3Client = getS3Client();
    InitiateMultipartUploadRequest initRequest = new InitiateMultipartUploadRequest(config.getBackupPrefix(),
            path.getRemotePath());
    InitiateMultipartUploadResult initResponse = s3Client.initiateMultipartUpload(initRequest);
    DataPart part = new DataPart(config.getBackupPrefix(), path.getRemotePath(), initResponse.getUploadId());
    List<PartETag> partETags = Lists.newArrayList();
    long chunkSize = config.getBackupChunkSize();
    if (path.getSize() > 0)
        chunkSize = (path.getSize() / chunkSize >= MAX_CHUNKS) ? (path.getSize() / (MAX_CHUNKS - 1))
                : chunkSize;
    logger.info(String.format("Uploading to %s/%s with chunk size %d", config.getBackupPrefix(),
            path.getRemotePath(), chunkSize));
    try {
        Iterator<byte[]> chunks = compress.compress(in, chunkSize);
        // Upload parts.
        int partNum = 0;
        while (chunks.hasNext()) {
            byte[] chunk = chunks.next();
            rateLimiter.acquire(chunk.length);
            DataPart dp = new DataPart(++partNum, chunk, config.getBackupPrefix(), path.getRemotePath(),
                    initResponse.getUploadId());
            S3PartUploader partUploader = new S3PartUploader(s3Client, dp, partETags);
            executor.submit(partUploader);
            bytesUploaded.addAndGet(chunk.length);
        }
        executor.sleepTillEmpty();
        if (partNum != partETags.size())
            throw new BackupRestoreException("Number of parts(" + partNum
                    + ")  does not match the uploaded parts(" + partETags.size() + ")");
        new S3PartUploader(s3Client, part, partETags).completeUpload();

        if (logger.isDebugEnabled()) {
            final S3ResponseMetadata responseMetadata = s3Client.getCachedResponseMetadata(initRequest);
            final String requestId = responseMetadata.getRequestId(); // "x-amz-request-id" header
            final String hostId = responseMetadata.getHostId(); // "x-amz-id-2" header
            logger.debug("S3 AWS x-amz-request-id[" + requestId + "], and x-amz-id-2[" + hostId + "]");
        }

    } catch (Exception e) {
        new S3PartUploader(s3Client, part, partETags).abortUpload();
        throw new BackupRestoreException("Error uploading file " + path.getFileName(), e);
    } finally {
        IOUtils.closeQuietly(in);
    }
}

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