Unicode C

Backblaze S3 List Buckets

See more Backblaze S3 Examples

Demonstrates how to list Backblaze buckets.

The Chilkat S3 functions in the HTTP class are compatible with the Backblaze service. However, because of some specific issues, Chilkat v9.5.0.89 or later is needed.

Unicode C

#include <C_CkHttpW.h>
#include <C_CkXmlW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttpW http;
    const wchar_t *bucketsXml;
    HCkXmlW xml;
    const wchar_t *Name;
    const wchar_t *CreationDate;
    const wchar_t *ListAllMyBucketsResult_xmlns;
    const wchar_t *ID;
    int i;
    int count_i;

    success = FALSE;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    http = CkHttpW_Create();

    // keyID = Access Key ID or Access Key
    CkHttpW_putAwsAccessKey(http,L"access-key");

    // applicationKey = Secret Access Key or Secret Key
    CkHttpW_putAwsSecretKey(http,L"secret-key");

    // Region is the 2nd part of your S3 Endpoint
    CkHttpW_putAwsEndpoint(http,L"s3.us-west-002.backblazeb2.com");

    bucketsXml = CkHttpW_s3_ListBuckets(http);

    if (CkHttpW_getLastMethodSuccess(http) != TRUE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        return;
    }

    xml = CkXmlW_Create();
    CkXmlW_LoadXml(xml,bucketsXml);
    wprintf(L"%s\n",CkXmlW_getXml(xml));

    // Use this online tool to generate parsing code from sample XML: 
    // Generate Parsing Code from XML

    // Sample output:

    // <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
    // <ListAllMyBucketsResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
    //     <Owner>
    //         <ID>f2ebbc5f792c</ID>
    //         <DisplayName/>
    //     </Owner>
    //     <Buckets>
    //         <Bucket>
    //             <Name>chilkat</Name>
    //             <CreationDate>2021-10-30T14:17:30.004Z</CreationDate>
    //         </Bucket>
    //         <Bucket>
    //             <Name>chilkat-test</Name>
    //             <CreationDate>2021-10-30T14:25:52.556Z</CreationDate>
    //         </Bucket>
    //     </Buckets>
    // </ListAllMyBucketsResult>

    ListAllMyBucketsResult_xmlns = CkXmlW_getAttrValue(xml,L"xmlns");
    ID = CkXmlW_getChildContent(xml,L"Owner|ID");
    i = 0;
    count_i = CkXmlW_NumChildrenHavingTag(xml,L"Buckets|Bucket");
    while (i < count_i) {
        CkXmlW_putI(xml,i);
        Name = CkXmlW_getChildContent(xml,L"Buckets|Bucket[i]|Name");
        CreationDate = CkXmlW_getChildContent(xml,L"Buckets|Bucket[i]|CreationDate");
        i = i + 1;
    }



    CkHttpW_Dispose(http);
    CkXmlW_Dispose(xml);

    }