Classic ASP
Azure Service Bus - Send Batch of Messages to Topic or Queue

Shows how to send a batch of messages to a service bus queue or topic.
Chilkat Classic ASP Downloads

Classic ASP
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<body>
<%
success = 0

' 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.
set rest = Server.CreateObject("Chilkat.Rest")
bAutoReconnect = 1
success = rest.Connect("<yournamespace>.servicebus.windows.net",443,1,bAutoReconnect)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

' ----------------------------------------------------------------------------------------------
' 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.
set sbToken = Server.CreateObject("Chilkat.StringBuilder")
success = sbToken.LoadFile("qa_data/tokens/serviceBusSas.txt","utf-8")

' Tell the REST object to use the Azure Shared Access Signature for authorization.
success = sbToken.Prepend("SharedAccessSignature ")
success = rest.AddHeader("Authorization",sbToken.GetAsString())

' ----------------------------------------------------------------------------------------------

' Send to a topic (or queue) named "gilaMonster";
topicOrQueueName = "gilaMonster"

' The HTTP request body contains JSON that contains multiple messages.
set json = Server.CreateObject("Chilkat.JsonObject")
json.I = 0
success = json.UpdateString("messages[i].Body","This is the first message")
success = json.UpdateString("messages[i].BrokerProperties.Label","M1")
success = json.UpdateString("messages[i].BrokerProperties.TimeToLiveTimeSpan","0.00:00:40")

json.I = 1
success = json.UpdateString("messages[i].Body","This is the second message")
success = json.UpdateString("messages[i].BrokerProperties.Label","M2")
success = json.UpdateString("messages[i].UserProperties.Priority","Low")

json.I = 2
success = json.UpdateString("messages[i].Body","This is the third message")
success = json.UpdateString("messages[i].BrokerProperties.Label","M3")
success = json.UpdateString("messages[i].UserProperties.Priority","Medium")
success = json.UpdateString("messages[i].UserProperties.Customer","ABC")

' jsonA is a Chilkat.JsonArray
Set jsonA = json.ArrayOf("messages")
jsonA.EmitCompact = 0
Response.Write "<pre>" & Server.HTMLEncode( jsonA.Emit()) & "</pre>"

' The following JSON array is produced by the above code:

' 	[
' 	  {
' 	    "Body": "This is the first message",
' 	    "BrokerProperties": {
' 	      "Label": "M1",
' 	      "TimeToLiveTimeSpan": "0.00:00:40"
' 	    }
' 	  },
' 	  {
' 	    "Body": "This is the second message",
' 	    "BrokerProperties": {
' 	      "Label": "M2"
' 	    },
' 	    "UserProperties": {
' 	      "Priority": "Low"
' 	    }
' 	  },
' 	  {
' 	    "Body": "This is the third message",
' 	    "BrokerProperties": {
' 	      "Label": "M3"
' 	    },
' 	    "UserProperties": {
' 	      "Priority": "Medium",
' 	      "Customer": "ABC"
' 	    }
' 	  }
' 	]

set sbRequestBody = Server.CreateObject("Chilkat.StringBuilder")
jsonA.EmitCompact = 1
success = jsonA.EmitSb(sbRequestBody)

' Build the path..
set sbPath = Server.CreateObject("Chilkat.StringBuilder")
success = sbPath.Append("/")
success = sbPath.Append(topicOrQueueName)
success = sbPath.Append("/messages")

' Add timeout and api-version query parameters.
success = rest.AddQueryParam("timeout","20")

' The Content-Type should be "application/vnd.microsoft.servicebus.json"
success = rest.AddHeader("Content-Type","application/vnd.microsoft.servicebus.json")

set sbResponseBody = Server.CreateObject("Chilkat.StringBuilder")
success = rest.FullRequestSb("POST",sbPath.GetAsString(),sbRequestBody,sbResponseBody)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "Response Status Code = " & rest.ResponseStatusCode) & "</pre>"

' Check for a success response.
If (rest.ResponseStatusCode <> 201) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastRequestStartLine) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastRequestHeader) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( sbResponseBody.GetAsString()) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Failed.") & "</pre>"
    Response.End
End If

' If successful, the 201 response will have no response body.

Response.Write "<pre>" & Server.HTMLEncode( "Success.") & "</pre>"

%>
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