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(MFC) Glacier Initiate Archive Retrieval Job

Demonstrates how to initiate an archive retrieval job to download an archive.

Note: This example requires Chilkat v9.5.0.78 or greater.

Chilkat C/C++ Library Downloads

MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkRest.h>
#include <CkAuthAws.h>
#include <CkJsonObject.h>
#include <CkStringBuilder.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkRest rest;

    // Connect to the Amazon AWS REST server in the desired region.
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    bool success = rest.Connect("glacier.us-west-2.amazonaws.com",port,bTls,bAutoReconnect);

    // Provide AWS credentials.
    CkAuthAws authAws;
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");
    authAws.put_ServiceName("glacier");
    authAws.put_Region("us-west-2");

    success = rest.SetAuthAws(authAws);

    // --------------------------------------------------------------------------
    // Note: The above REST connection and setup of the AWS credentials
    // can be done once.  After connecting, any number of REST calls can be made.
    // The "auto reconnect" property passed to rest.Connect indicates that if
    // the connection is lost, a REST method call will automatically reconnect
    // if needed.
    // --------------------------------------------------------------------------

    // 
    // For more information, see Glacier Initiate Job Post Reference Documentation
    // 
    rest.AddHeader("x-amz-glacier-version","2012-06-01");

    // The body of our request will contain this JSON:
    // {
    //   "Type": "archive-retrieval",
    //   "ArchiveId": "NkbByEejwEggmBz2fTHgJrg0XBoDfjP4q6iu87-TjhqG6eGoOY9Z8i1_AUyUsuhPAdTqLHy8pTl5nfCFJmDl2yEZONi5L26Omw12vcs01MNGntHEQL8MBfGlqrEXAMPLEArchiveId"
    //   "Description": "My archive description",
    //   "SNSTopic": "arn:aws:sns:us-west-2:111111111111:Glacier-ArchiveRetrieval-topic-Example",
    //   "Tier" : "Bulk"
    // }

    // Use this online tool to generate the code from sample JSON: 
    // Generate Code to Create JSON

    CkJsonObject json;
    json.UpdateString("Type","archive-retrieval");
    json.UpdateString("ArchiveId","ARCHIVE_ID");
    json.UpdateString("Description","My archive description");
    // Possible tiers are Bulk, Standard, and Expedited.
    json.UpdateString("Tier","Bulk");
    // The SNSTopic is optional.  If included, then notification is sent to the SNS topic when the job is complete.
    // This example will omit the SNSTopic.

    CkStringBuilder sbRequestBody;
    json.EmitSb(sbRequestBody);
    CkStringBuilder sbResponseBody;

    // Start an archive retrieval in for the vault named "chilkat".
    success = rest.FullRequestSb("POST","/AWS_ACCOUNT_ID/vaults/chilkat/jobs",sbRequestBody,sbResponseBody);
    if (success != true) {
        strOut.append(rest.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    int respStatusCode = rest.get_ResponseStatusCode();
    if (respStatusCode >= 400) {
        strOut.append("Response Status Code = ");
        strOut.appendInt(respStatusCode);
        strOut.append("\r\n");
        strOut.append("Response Header:");
        strOut.append("\r\n");
        strOut.append(rest.responseHeader());
        strOut.append("\r\n");
        strOut.append("Response Body:");
        strOut.append("\r\n");
        strOut.append(sbResponseBody.getAsString());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Success is indicated by a 202 response status with an empty response body.
    strOut.append("response status code = ");
    strOut.appendInt(respStatusCode);
    strOut.append("\r\n");

    // If successful, the response header looks like this.
    // The Location and x-amz-job-id are two items of information we may wish to save..

    // HTTP/1.1 202 Accepted
    // x-amzn-RequestId: AAABZpJrTyioDC_HsOmHae8EZp_uBSJr6cnGOLKp_XJCl-Q
    // Date: Wed, 10 Feb 2017 12:00:00 GMT 
    // Location: /111122223333/vaults/examplevault/jobs/HkF9p6o7yjhFx-K3CGl6fuSm6VzW9T7esGQfco8nUXVYwS0jlb5gq1JZ55yHgt5vP54ZShjoQzQVVh7vEXAMPLEjobID
    // x-amz-job-id: HkF9p6o7yjhFx-K3CGl6fuSm6VzW9T7esGQfco8nUXVYwS0jlb5gq1JZ55yHgt5vP54ZShjoQzQVVh7vEXAMPLEjobID
    // 

    const char *jobId = rest.responseHdrByName("x-amz-job-id");
    strOut.append("x-amz-job-id = ");
    strOut.append(jobId);
    strOut.append("\r\n");

    const char *location = rest.responseHdrByName("Location");
    strOut.append("Location = ");
    strOut.append(location);
    strOut.append("\r\n");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }

 

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