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Azure Service Bus - Create Topic

See more Azure Service Bus Examples

Creates an Azure Service Bus Topic.

Note: This example requires Chilkat v9.5.0.65 or greater.

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Unicode C
#include <C_CkRestW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkXmlW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkRestW rest;
    BOOL bAutoReconnect;
    HCkStringBuilderW sbToken;
    const wchar_t *topicName;
    HCkXmlW xml;
    HCkStringBuilderW sbRequestBody;
    HCkStringBuilderW sbPath;
    HCkStringBuilderW sbResponseBody;

    success = FALSE;

    // Note: Requires Chilkat v9.5.0.65 or greater.

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

    // Make the initial connection.
    // A single REST object, once connected, can be used for many Azure Service Bus REST API calls.
    // The auto-reconnect indicates that if the already-established HTTPS connection is closed,
    // then it will be automatically re-established as needed.
    rest = CkRestW_Create();
    bAutoReconnect = TRUE;
    success = CkRestW_Connect(rest,L"<yournamespace>.servicebus.windows.net",443,TRUE,bAutoReconnect);
    if (success != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        return;
    }

    // ----------------------------------------------------------------------------------------------
    // The code above this comment could be placed inside a function/subroutine within the application
    // because the connection does not need to be made for every request.  Once the connection is made
    // the app may send many requests..
    // ----------------------------------------------------------------------------------------------

    // Let's load a previously computed SAS token and use it.
    // See Azure Shared Access Signature for an example to genenerate an Azure SAS token.
    sbToken = CkStringBuilderW_Create();
    CkStringBuilderW_LoadFile(sbToken,L"qa_data/tokens/serviceBusSas.txt",L"utf-8");

    // Tell the REST object to use the Azure Shared Access Signature for authorization.
    CkStringBuilderW_Prepend(sbToken,L"SharedAccessSignature ");
    CkRestW_AddHeader(rest,L"Authorization",CkStringBuilderW_getAsString(sbToken));

    // ----------------------------------------------------------------------------------------------

    // Create a new topic named "gilaMonster";
    topicName = L"gilaMonster";

    // Create the XML body of the PUT request.
    xml = CkXmlW_Create();
    CkXmlW_putTag(xml,L"entry");
    CkXmlW_AddAttribute(xml,L"xmlns",L"http://www.w3.org/2005/Atom");
    CkXmlW_UpdateAttrAt(xml,L"title",TRUE,L"type",L"text");
    CkXmlW_UpdateChildContent(xml,L"title",topicName);
    CkXmlW_UpdateAttrAt(xml,L"content",TRUE,L"type",L"application/xml");
    CkXmlW_UpdateAttrAt(xml,L"content|TopicDescription",TRUE,L"xmlns:i",L"http://www.w3.org/2001/XMLSchema-instance");
    CkXmlW_UpdateAttrAt(xml,L"content|TopicDescription",TRUE,L"xmlns",L"http://schemas.microsoft.com/netservices/2010/10/servicebus/connect");
    CkXmlW_putEmitXmlDecl(xml,FALSE);
    wprintf(L"%s\n",CkXmlW_getXml(xml));

    // The XML created by the above code:

    // 	<entry xmlns="http://www.w3.org/2005/Atom">
    // 	    <title type="text">gilaMonster</title>
    // 	    <content type="application/xml">
    // 	        <TopicDescription xmlns:i="http://www.w3.org/2001/XMLSchema-instance" 
    // 			xmlns="http://schemas.microsoft.com/netservices/2010/10/servicebus/connect" />
    // 	    </content>
    // 	</entry>

    sbRequestBody = CkStringBuilderW_Create();
    CkXmlW_GetXmlSb(xml,sbRequestBody);

    // The path should be set to the to-be-created queue name.
    sbPath = CkStringBuilderW_Create();
    CkStringBuilderW_Append(sbPath,L"/");
    CkStringBuilderW_Append(sbPath,topicName);

    sbResponseBody = CkStringBuilderW_Create();
    success = CkRestW_FullRequestSb(rest,L"PUT",CkStringBuilderW_getAsString(sbPath),sbRequestBody,sbResponseBody);
    if (success != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkStringBuilderW_Dispose(sbToken);
        CkXmlW_Dispose(xml);
        CkStringBuilderW_Dispose(sbRequestBody);
        CkStringBuilderW_Dispose(sbPath);
        CkStringBuilderW_Dispose(sbResponseBody);
        return;
    }

    wprintf(L"Response Status Code = %d\n",CkRestW_getResponseStatusCode(rest));

    // Check for a success response.
    if (CkRestW_getResponseStatusCode(rest) != 201) {
        wprintf(L"%s\n",CkRestW_lastRequestStartLine(rest));
        wprintf(L"%s\n",CkRestW_lastRequestHeader(rest));
        wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponseBody));
        wprintf(L"Failed.\n");
        CkRestW_Dispose(rest);
        CkStringBuilderW_Dispose(sbToken);
        CkXmlW_Dispose(xml);
        CkStringBuilderW_Dispose(sbRequestBody);
        CkStringBuilderW_Dispose(sbPath);
        CkStringBuilderW_Dispose(sbResponseBody);
        return;
    }

    // The response is XML.  (See a sample response below..)
    CkXmlW_LoadSb(xml,sbResponseBody,TRUE);
    wprintf(L"%s\n",CkXmlW_getXml(xml));

    wprintf(L"Success.\n");

    // -----------------------------------------------
    // A sample successful XML response:

    // 	<entry xmlns="http://www.w3.org/2005/Atom">
    // 	    <id>https://chilkat.servicebus.windows.net/gilaMonster</id>
    // 	    <title type="text">gilaMonster</title>
    // 	    <published>2016-12-06T23:34:13Z</published>
    // 	    <updated>2016-12-06T23:34:13Z</updated>
    // 	    <author>
    // 	        <name>chilkat</name>
    // 	    </author>
    // 	    <link rel="self" href="https://chilkat.servicebus.windows.net/gilaMonster" />
    // 	    <content type="application/xml">
    // 	        <TopicDescription xmlns="http://schemas.microsoft.com/netservices/2010/10/servicebus/connect" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
    // 	            <DefaultMessageTimeToLive>P10675199DT2H48M5.4775807S</DefaultMessageTimeToLive>
    // 	            <MaxSizeInMegabytes>1024</MaxSizeInMegabytes>
    // 	            <RequiresDuplicateDetection>false</RequiresDuplicateDetection>
    // 	            <DuplicateDetectionHistoryTimeWindow>PT10M</DuplicateDetectionHistoryTimeWindow>
    // 	            <EnableBatchedOperations>true</EnableBatchedOperations>
    // 	            <SizeInBytes>0</SizeInBytes>
    // 	            <CreatedAt>2016-12-06T23:34:13.483</CreatedAt>
    // 	            <UpdatedAt>2016-12-06T23:34:13.7</UpdatedAt>
    // 	        </TopicDescription>
    // 	    </content>
    // 	</entry>


    CkRestW_Dispose(rest);
    CkStringBuilderW_Dispose(sbToken);
    CkXmlW_Dispose(xml);
    CkStringBuilderW_Dispose(sbRequestBody);
    CkStringBuilderW_Dispose(sbPath);
    CkStringBuilderW_Dispose(sbResponseBody);

    }