C
C
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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#include <C_CkRest.h>
#include <C_CkStringBuilder.h>
#include <C_CkXml.h>
void ChilkatSample(void)
{
BOOL success;
HCkRest rest;
BOOL bAutoReconnect;
HCkStringBuilder sbToken;
const char *topicName;
HCkXml xml;
HCkStringBuilder sbRequestBody;
HCkStringBuilder sbPath;
HCkStringBuilder 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 = CkRest_Create();
bAutoReconnect = TRUE;
success = CkRest_Connect(rest,"<yournamespace>.servicebus.windows.net",443,TRUE,bAutoReconnect);
if (success != TRUE) {
printf("%s\n",CkRest_lastErrorText(rest));
CkRest_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 = CkStringBuilder_Create();
CkStringBuilder_LoadFile(sbToken,"qa_data/tokens/serviceBusSas.txt","utf-8");
// Tell the REST object to use the Azure Shared Access Signature for authorization.
CkStringBuilder_Prepend(sbToken,"SharedAccessSignature ");
CkRest_AddHeader(rest,"Authorization",CkStringBuilder_getAsString(sbToken));
// ----------------------------------------------------------------------------------------------
// Create a new topic named "gilaMonster";
topicName = "gilaMonster";
// Create the XML body of the PUT request.
xml = CkXml_Create();
CkXml_putTag(xml,"entry");
CkXml_AddAttribute(xml,"xmlns","http://www.w3.org/2005/Atom");
CkXml_UpdateAttrAt(xml,"title",TRUE,"type","text");
CkXml_UpdateChildContent(xml,"title",topicName);
CkXml_UpdateAttrAt(xml,"content",TRUE,"type","application/xml");
CkXml_UpdateAttrAt(xml,"content|TopicDescription",TRUE,"xmlns:i","http://www.w3.org/2001/XMLSchema-instance");
CkXml_UpdateAttrAt(xml,"content|TopicDescription",TRUE,"xmlns","http://schemas.microsoft.com/netservices/2010/10/servicebus/connect");
CkXml_putEmitXmlDecl(xml,FALSE);
printf("%s\n",CkXml_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 = CkStringBuilder_Create();
CkXml_GetXmlSb(xml,sbRequestBody);
// The path should be set to the to-be-created queue name.
sbPath = CkStringBuilder_Create();
CkStringBuilder_Append(sbPath,"/");
CkStringBuilder_Append(sbPath,topicName);
sbResponseBody = CkStringBuilder_Create();
success = CkRest_FullRequestSb(rest,"PUT",CkStringBuilder_getAsString(sbPath),sbRequestBody,sbResponseBody);
if (success != TRUE) {
printf("%s\n",CkRest_lastErrorText(rest));
CkRest_Dispose(rest);
CkStringBuilder_Dispose(sbToken);
CkXml_Dispose(xml);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbPath);
CkStringBuilder_Dispose(sbResponseBody);
return;
}
printf("Response Status Code = %d\n",CkRest_getResponseStatusCode(rest));
// Check for a success response.
if (CkRest_getResponseStatusCode(rest) != 201) {
printf("%s\n",CkRest_lastRequestStartLine(rest));
printf("%s\n",CkRest_lastRequestHeader(rest));
printf("%s\n",CkStringBuilder_getAsString(sbResponseBody));
printf("Failed.\n");
CkRest_Dispose(rest);
CkStringBuilder_Dispose(sbToken);
CkXml_Dispose(xml);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbPath);
CkStringBuilder_Dispose(sbResponseBody);
return;
}
// The response is XML. (See a sample response below..)
CkXml_LoadSb(xml,sbResponseBody,TRUE);
printf("%s\n",CkXml_getXml(xml));
printf("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>
CkRest_Dispose(rest);
CkStringBuilder_Dispose(sbToken);
CkXml_Dispose(xml);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbPath);
CkStringBuilder_Dispose(sbResponseBody);
}