Examples with GetObjectRequest com.qcloud.cos.model.GetObjectRequest used on opensource projects

Example 21 with GetObjectRequest

use of com.qcloud.cos.model.GetObjectRequest in project hadoop-cos by tencentyun.

the class CosNativeFileSystemStore method retrieve.

/**
 * @param key The key is the object name that is being retrieved from the
 *            cos bucket.
 * @return This method returns null if the key is not found.
 * @throws IOException Retrieve the specified cos key with a specified byte range start failed.
 */
@Override
public InputStream retrieve(String key, long byteRangeStart) throws IOException {
    try {
        LOG.debug("Retrieve the cos key: {}, byte range start: {}.", key, byteRangeStart);
        long fileSize = getFileLength(key);
        long byteRangeEnd = fileSize - 1;
        GetObjectRequest getObjectRequest = new GetObjectRequest(this.bucketName, key);
        if (this.trafficLimit >= 0) {
            getObjectRequest.setTrafficLimit(this.trafficLimit);
        }
        this.setEncryptionMetadata(getObjectRequest, new ObjectMetadata());
        if (byteRangeEnd >= byteRangeStart) {
            getObjectRequest.setRange(byteRangeStart, fileSize - 1);
        }
        COSObject cosObject = (COSObject) callCOSClientWithRetry(getObjectRequest);
        return cosObject.getObjectContent();
    } catch (Exception e) {
        String errMsg = String.format("Retrieving key [%s] with byteRangeStart [%d] " + "occurs an exception: %s.", key, byteRangeStart, e);
        handleException(new Exception(errMsg), key);
        // never will get here
        return null;
    }
}

Example 22 with GetObjectRequest

use of com.qcloud.cos.model.GetObjectRequest in project hadoop-cos by tencentyun.

the class CosNativeFileSystemStore method retrieveBlock.

@Override
public InputStream retrieveBlock(String key, long byteRangeStart, long byteRangeEnd) throws IOException {
    LOG.debug("Retrieve the cos key: {}, byte range start: {}, byte range end: {}.", key, byteRangeStart, byteRangeEnd);
    try {
        GetObjectRequest request = new GetObjectRequest(this.bucketName, key);
        request.setRange(byteRangeStart, byteRangeEnd);
        if (this.trafficLimit >= 0) {
            request.setTrafficLimit(this.trafficLimit);
        }
        this.setEncryptionMetadata(request, new ObjectMetadata());
        COSObject cosObject = (COSObject) this.callCOSClientWithRetry(request);
        return cosObject.getObjectContent();
    } catch (CosServiceException e) {
        String errMsg = String.format("Retrieving the key %s with the byteRangeStart [%d] " + "occurs an exception: %s.", key, byteRangeStart, e);
        handleException(new Exception(errMsg), key);
    } catch (CosClientException e) {
        String errMsg = String.format("Retrieving key %s with the byteRangeStart [%d] and the byteRangeEnd [%d] " + "occurs an exception: %s.", key, byteRangeStart, byteRangeEnd, e);
        handleException(new Exception(errMsg), key);
    }
    return null;
}

Example 23 with GetObjectRequest

use of com.qcloud.cos.model.GetObjectRequest in project hadoop-cos by tencentyun.

the class CosNativeFileSystemStore method retrieve.

/**
 * retrieve cos key
 *
 * @param key The key is the object name that is being retrieved from the
 *            cos bucket.
 * @return This method returns null if the key is not found.
 * @throws IOException Retrieve the specified cos key failed.
 */
@Override
public InputStream retrieve(String key) throws IOException {
    LOG.debug("Retrieve the key: {}.", key);
    GetObjectRequest getObjectRequest = new GetObjectRequest(this.bucketName, key);
    if (this.trafficLimit >= 0) {
        getObjectRequest.setTrafficLimit(this.trafficLimit);
    }
    this.setEncryptionMetadata(getObjectRequest, new ObjectMetadata());
    try {
        COSObject cosObject = (COSObject) callCOSClientWithRetry(getObjectRequest);
        return cosObject.getObjectContent();
    } catch (Exception e) {
        String errMsg = String.format("Retrieving the cos key [%s] occurs an exception: %s", key, e);
        handleException(new Exception(errMsg), key);
    }
    // never will get here
    return null;
}

Example 24 with GetObjectRequest

use of com.qcloud.cos.model.GetObjectRequest in project hadoop-cos by tencentyun.

the class CosNativeFileSystemStore method callCOSClientWithRetry.

// posix bucket mkdir if the middle part exist will return the 500 error,
// and the rename if the dst exist will return the 500 status too,
// which make the related 5** retry useless. mo improve the resp info to filter.
private <X> Object callCOSClientWithRetry(X request) throws CosServiceException, IOException {
    String sdkMethod = "";
    int retryIndex = 1;
    int l5ErrorCodeRetryIndex = 1;
    while (true) {
        try {
            if (request instanceof PutObjectRequest) {
                sdkMethod = "putObject";
                if (((PutObjectRequest) request).getInputStream().markSupported()) {
                    ((PutObjectRequest) request).getInputStream().mark((int) ((PutObjectRequest) request).getMetadata().getContentLength());
                }
                return this.cosClient.putObject((PutObjectRequest) request);
            } else if (request instanceof UploadPartRequest) {
                sdkMethod = "uploadPart";
                if (((UploadPartRequest) request).getInputStream().markSupported()) {
                    ((UploadPartRequest) request).getInputStream().mark((int) ((UploadPartRequest) request).getPartSize());
                }
                return this.cosClient.uploadPart((UploadPartRequest) request);
            } else if (request instanceof CopyPartRequest) {
                sdkMethod = "copyPartRequest";
                return this.cosClient.copyPart((CopyPartRequest) request);
            } else if (request instanceof HeadBucketRequest) {
                // use for checking bucket type
                sdkMethod = "headBucket";
                return this.cosClient.headBucket((HeadBucketRequest) request);
            } else if (request instanceof RenameRequest) {
                sdkMethod = "rename";
                this.cosClient.rename((RenameRequest) request);
                return new Object();
            } else if (request instanceof GetObjectMetadataRequest) {
                sdkMethod = "queryObjectMeta";
                return this.cosClient.getObjectMetadata((GetObjectMetadataRequest) request);
            } else if (request instanceof DeleteObjectRequest) {
                sdkMethod = "deleteObject";
                this.cosClient.deleteObject((DeleteObjectRequest) request);
                return new Object();
            } else if (request instanceof CopyObjectRequest) {
                sdkMethod = "copyFile";
                return this.cosClient.copyObject((CopyObjectRequest) request);
            } else if (request instanceof GetObjectRequest) {
                sdkMethod = "getObject";
                return this.cosClient.getObject((GetObjectRequest) request);
            } else if (request instanceof ListObjectsRequest) {
                sdkMethod = "listObjects";
                return this.cosClient.listObjects((ListObjectsRequest) request);
            } else if (request instanceof InitiateMultipartUploadRequest) {
                sdkMethod = "initiateMultipartUpload";
                return this.cosClient.initiateMultipartUpload((InitiateMultipartUploadRequest) request);
            } else if (request instanceof CompleteMultipartUploadRequest) {
                sdkMethod = "completeMultipartUpload";
                return this.cosClient.completeMultipartUpload((CompleteMultipartUploadRequest) request);
            } else if (request instanceof AbortMultipartUploadRequest) {
                sdkMethod = "abortMultipartUpload";
                this.cosClient.abortMultipartUpload((AbortMultipartUploadRequest) request);
                return new Object();
            } else {
                throw new IOException("no such method");
            }
        } catch (ResponseNotCompleteException nce) {
            if (this.completeMPUCheckEnabled && request instanceof CompleteMultipartUploadRequest) {
                String key = ((CompleteMultipartUploadRequest) request).getKey();
                FileMetadata fileMetadata = this.queryObjectMetadata(key);
                if (null == fileMetadata) {
                    // if file not exist must throw the exception.
                    handleException(nce, key);
                }
                LOG.warn("Complete mpu resp not complete key [{}]", key);
                // todo: some other double check after cgi unified the ctime of mpu.
                return new CompleteMultipartUploadResult();
            } else {
                throw new IOException(nce);
            }
        } catch (CosServiceException cse) {
            String errMsg = String.format("all cos sdk failed, retryIndex: [%d / %d], " + "call method: %s, exception: %s", retryIndex, this.maxRetryTimes, sdkMethod, cse);
            int statusCode = cse.getStatusCode();
            String errorCode = cse.getErrorCode();
            LOG.debug("fail to retry statusCode {}, errorCode {}", statusCode, errorCode);
            // 对5xx错误进行重试
            if (request instanceof CopyObjectRequest && hasErrorCode(statusCode, errorCode)) {
                if (retryIndex <= this.maxRetryTimes) {
                    LOG.info(errMsg, cse);
                    ++retryIndex;
                } else {
                    LOG.error(errMsg, cse);
                    throw new IOException(errMsg);
                }
            } else if (request instanceof CompleteMultipartUploadRequest && hasErrorCode(statusCode, errorCode)) {
                // complete mpu error code might be in body when status code is 200
                // double check to head object only works in big data job case which key is not same.
                String key = ((CompleteMultipartUploadRequest) request).getKey();
                FileMetadata fileMetadata = this.queryObjectMetadata(key);
                if (null != fileMetadata) {
                    // if file exist direct return.
                    LOG.info("complete mpu error in body, error code {}, but key {} already exist, length {}", errorCode, key, fileMetadata.getLength());
                    return new CompleteMultipartUploadResult();
                }
                // here same like the copy request not setting the interval sleep for now
                if (retryIndex <= this.maxRetryTimes) {
                    LOG.info(errMsg, cse);
                    ++retryIndex;
                } else {
                    LOG.error(errMsg, cse);
                    throw new IOException(errMsg);
                }
            } else if (statusCode / 100 == 5) {
                if (retryIndex <= this.maxRetryTimes) {
                    if (statusCode == 503) {
                        if (useL5Id) {
                            if (l5ErrorCodeRetryIndex >= this.l5UpdateMaxRetryTimes) {
                                // L5上报，进行重试
                                l5EndpointResolver.updateRouteResult(-1);
                                l5ErrorCodeRetryIndex = 1;
                            } else {
                                l5ErrorCodeRetryIndex = l5ErrorCodeRetryIndex + 1;
                            }
                        }
                    }
                    LOG.info(errMsg, cse);
                    long sleepLeast = retryIndex * 300L;
                    long sleepBound = retryIndex * 500L;
                    try {
                        if (request instanceof PutObjectRequest) {
                            LOG.info("Try to reset the put object request input stream.");
                            if (((PutObjectRequest) request).getInputStream().markSupported()) {
                                ((PutObjectRequest) request).getInputStream().reset();
                            } else {
                                LOG.error("The put object request input stream can not be reset, so it can not be" + " retried.");
                                throw cse;
                            }
                        }
                        if (request instanceof UploadPartRequest) {
                            LOG.info("Try to reset the upload part request input stream.");
                            if (((UploadPartRequest) request).getInputStream().markSupported()) {
                                ((UploadPartRequest) request).getInputStream().reset();
                            } else {
                                LOG.error("The upload part request input stream can not be reset, so it can not " + "be retried" + ".");
                                throw cse;
                            }
                        }
                        // if direct retry may occur 403 not found the upload id.
                        if (request instanceof CompleteMultipartUploadRequest && statusCode == 503) {
                            String key = ((CompleteMultipartUploadRequest) request).getKey();
                            FileMetadata fileMetadata = this.queryObjectMetadata(key);
                            if (null != fileMetadata) {
                                // if file exist direct return.
                                LOG.info("complete mpu error might access time out, " + "but key {} already exist, length {}", key, fileMetadata.getLength());
                                return new CompleteMultipartUploadResult();
                            }
                        }
                        Thread.sleep(ThreadLocalRandom.current().nextLong(sleepLeast, sleepBound));
                        ++retryIndex;
                    } catch (InterruptedException e) {
                        throw new IOException(e.toString());
                    }
                } else {
                    LOG.error(errMsg, cse);
                    throw new IOException(errMsg);
                }
            } else {
                throw cse;
            }
        } catch (Exception e) {
            throw new IOException(e);
        }
    }
}

Example 25 with GetObjectRequest

use of com.qcloud.cos.model.GetObjectRequest in project cos-java-sdk-v5 by tencentyun.

the class PutGetDelTest method testGetObjectIfNoneMatchRightEtag.

@Test
public void testGetObjectIfNoneMatchRightEtag() throws IOException {
    if (!judgeUserInfoValid()) {
        return;
    }
    File localFile = buildTestFile(1024);
    String key = "ut/" + localFile.getName();
    cosclient.putObject(bucket, key, localFile);
    try {
        String fileEtag = Md5Utils.md5Hex(localFile);
        GetObjectRequest getObjectRequest = new GetObjectRequest(bucket, key);
        List<String> eTagList = new ArrayList<>();
        eTagList.add("\"" + fileEtag + "\"");
        getObjectRequest.setNonmatchingETagConstraints(eTagList);
        COSObject cosObject = cosclient.getObject(getObjectRequest);
        assertNull(cosObject);
    } catch (CosServiceException cse) {
        fail(cse.toString());
    } finally {
        cosclient.deleteObject(bucket, key);
        assertTrue(localFile.delete());
    }
}