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(Unicode C) S3 List PartsThis operation lists the parts that have been uploaded for a specific multipart upload. This operation must include the upload ID, which you obtain by sending the initiate multipart upload request. This request returns a maximum of 1000 uploaded parts. The default number of parts returned is 1000 parts. You can restrict the number of parts returned by specifying the max-parts request parameter. If your multipart upload consists of more than 1000 parts, the response returns an IsTruncated field with the value of true, and a NextPartNumberMarker element. In subsequent List Parts requests you can include the part-number-marker query string parameter and set its value to the NextPartNumberMarker field value from the previous response. This example sends GET request that looks like this: GET /example-object?uploadId=XXBsb2FkIElEIGZvciBlbHZpbmcncyVcdS1tb3ZpZS5tMnRzEEEwbG9hZA&max-parts=100&part-number-marker=1 HTTP/1.1 Host: example-bucket.s3.amazonaws.com Date: Mon, 1 Nov 2010 20:34:56 GMT Authorization: authorization string The following is a sample response: HTTP/1.1 200 OK x-amz-id-2: Uuag1LuByRx9e6j5Onimru9pO4ZVKnJ2Qz7/C1NPcfTWAtRPfTaOFg== x-amz-request-id: 656c76696e6727732072657175657374 Date: Mon, 1 Nov 2010 20:34:56 GMT Content-Length: 985 Connection: keep-alive Server: AmazonS3 <?xml version="1.0" encoding="UTF-8"?> <ListPartsResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/"> <Bucket>example-bucket</Bucket> <Key>example-object</Key> <UploadId>XXBsb2FkIElEIGZvciBlbHZpbmcncyVcdS1tb3ZpZS5tMnRzEEEwbG9hZA</UploadId> <Initiator> <ID>arn:aws:iam::111122223333:user/some-user-11116a31-17b5-4fb7-9df5-b288870f11xx</ID> <DisplayName>umat-user-11116a31-17b5-4fb7-9df5-b288870f11xx</DisplayName> </Initiator> <Owner> <ID>75aa57f09aa0c8caeab4f8c24e99d10f8e7faeebf76c078efc7c6caea54ba06a</ID> <DisplayName>someName</DisplayName> </Owner> <StorageClass>STANDARD</StorageClass> <PartNumberMarker>1</PartNumberMarker> <NextPartNumberMarker>3</NextPartNumberMarker> <MaxParts>2</MaxParts> <IsTruncated>true</IsTruncated> <Part> <PartNumber>2</PartNumber> <LastModified>2010-11-10T20:48:34.000Z</LastModified> <ETag>"7778aef83f66abc1fa1e8477f296d394"</ETag> <Size>10485760</Size> </Part> <Part> <PartNumber>3</PartNumber> <LastModified>2010-11-10T20:48:33.000Z</LastModified> <ETag>"aaaa18db4cc2f85cedef654fccc4a4x8"</ETag> <Size>10485760</Size> </Part> </ListPartsResult>
#include <C_CkXmlW.h> #include <C_CkRestW.h> #include <C_CkAuthAwsW.h> void ChilkatSample(void) { HCkXmlW xmlInit; BOOL success; const wchar_t *uploadId; HCkRestW rest; BOOL bTls; int port; BOOL bAutoReconnect; HCkAuthAwsW authAws; const wchar_t *responseXml; HCkXmlW xml; HCkXmlW part; BOOL hasMoreParts; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Other S3 Multipart Upload Examples: // Initiate Multipart Upload // S3 Upload Parts // Complete Multipart Upload // Abort Multipart Upload // When the multipart upload was initiated, an UploadId was provided in the XML response, and // we saved it to a file. We'll get the upload ID from there.. xmlInit = CkXmlW_Create(); success = CkXmlW_LoadXmlFile(xmlInit,L"s3_multipart_uploads/initiate.xml"); if (success != TRUE) { wprintf(L"Did not find the initiate.xml XML file.\n"); CkXmlW_Dispose(xmlInit); return; } uploadId = CkXmlW_getChildContent(xmlInit,L"UploadId"); wprintf(L"UploadId = %s\n",uploadId); rest = CkRestW_Create(); // Connect to the Amazon AWS REST server. bTls = TRUE; port = 443; bAutoReconnect = TRUE; success = CkRestW_Connect(rest,L"s3.amazonaws.com",port,bTls,bAutoReconnect); // ---------------------------------------------------------------------------- // Important: For buckets created in regions outside us-east-1, // there are three important changes that need to be made. // See Working with S3 Buckets in Non-us-east-1 Regions for the details. // ---------------------------------------------------------------------------- // Provide AWS credentials for the REST call. authAws = CkAuthAwsW_Create(); CkAuthAwsW_putAccessKey(authAws,L"AWS_ACCESS_KEY"); CkAuthAwsW_putSecretKey(authAws,L"AWS_SECRET_KEY"); CkAuthAwsW_putServiceName(authAws,L"s3"); success = CkRestW_SetAuthAws(rest,authAws); // Set the bucket name via the HOST header. // In this case, the bucket name is "chilkat100". CkRestW_putHost(rest,L"chilkat100.s3.amazonaws.com"); // Add the query parameters. CkRestW_AddQueryParam(rest,L"uploadId",uploadId); CkRestW_AddQueryParam(rest,L"max-parts",L"100"); CkRestW_AddQueryParam(rest,L"part-number-marker",L"0"); // Our ObjectName in this case is "somethingBig.zip". responseXml = CkRestW_fullRequestNoBody(rest,L"GET",L"/somethingBig.zip"); if (CkRestW_getLastMethodSuccess(rest) != TRUE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkXmlW_Dispose(xmlInit); CkRestW_Dispose(rest); CkAuthAwsW_Dispose(authAws); return; } // When successful, the S3 Storage service will respond with a 200 response code, // with an XML body. if (CkRestW_getResponseStatusCode(rest) != 200) { // Examine the request/response to see what happened. wprintf(L"response status code = %d\n",CkRestW_getResponseStatusCode(rest)); wprintf(L"response status text = %s\n",CkRestW_responseStatusText(rest)); wprintf(L"response header: %s\n",CkRestW_responseHeader(rest)); wprintf(L"response body: %s\n",responseXml); wprintf(L"---\n"); wprintf(L"LastRequestStartLine: %s\n",CkRestW_lastRequestStartLine(rest)); wprintf(L"LastRequestHeader: %s\n",CkRestW_lastRequestHeader(rest)); } xml = CkXmlW_Create(); CkXmlW_LoadXml(xml,responseXml); wprintf(L"%s\n",CkXmlW_getXml(xml)); wprintf(L"----\n"); // To iterate over the parts in the response, navigate to the 1st "Part" node // and then iterate over siblings until there are no more. part = CkXmlW_FindChild(xml,L"Part"); if (CkXmlW_getLastMethodSuccess(xml) == FALSE) { wprintf(L"No parts exist.\n"); CkXmlW_Dispose(xmlInit); CkRestW_Dispose(rest); CkAuthAwsW_Dispose(authAws); CkXmlW_Dispose(xml); return; } hasMoreParts = TRUE; while (hasMoreParts == TRUE) { wprintf(L"PartNumber: %s\n",CkXmlW_getChildContent(part,L"PartNumber")); wprintf(L"LastModified: %s\n",CkXmlW_getChildContent(part,L"LastModified")); wprintf(L"ETag: %s\n",CkXmlW_getChildContent(part,L"ETag")); wprintf(L"Size: %s\n",CkXmlW_getChildContent(part,L"Size")); wprintf(L"----\n"); // Advance to the next sibling until we run out. hasMoreParts = CkXmlW_NextSibling2(part); } CkXmlW_Dispose(part); CkXmlW_Dispose(xmlInit); CkRestW_Dispose(rest); CkAuthAwsW_Dispose(authAws); CkXmlW_Dispose(xml); } |
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