Lua Requires Chilkat v9.5.0.65+
Lua
Azure Service Bus - Send Message to Queue
See more Azure Service Bus Examples
Demonstrates sending a message to an Azure Service Bus Queue.Chilkat Lua Downloads
local chilkat = require("chilkat")
-- 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.
local rest = chilkat.Rest.new()
local bAutoReconnect = true
local success = rest:connect("<yournamespace>.servicebus.windows.net", 443, true, bAutoReconnect)
if not success then
print(rest.last_error_text)
return
end
-- ----------------------------------------------------------------------------------------------
-- 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.
local sbToken = chilkat.StringBuilder.new()
sbToken:load_file("qa_data/tokens/serviceBusSas.txt", "utf-8")
-- Tell the REST object to use the Azure Shared Access Signature for authorization.
sbToken:prepend("SharedAccessSignature ")
rest:add_header("Authorization", sbToken:get_as_string())
-- ----------------------------------------------------------------------------------------------
-- Send to a queue named "gila";
local queueName = "gila"
-- The HTTP request body contains the content of the message sent to the queue.
local sbRequestBody = chilkat.StringBuilder.new()
sbRequestBody:append("Hello, I'm a gila monster, and I may bite!")
-- Build the path..
local sbPath = chilkat.StringBuilder.new()
sbPath:append("/")
sbPath:append(queueName)
sbPath:append("/messages")
-- Add timeout and api-version query parameters.
rest:add_query_param("timeout", "20")
rest:add_query_param("api-version", "2013-08")
-- Standard brokered message properties are placed in a BrokerProperties HTTP header.
-- The broker properties must be serialized in JSON format. To specify a TimeToLive value of 3600 seconds
-- and to add a message label "M1" to the message..
local json = chilkat.JsonObject.new()
json:append_int("TimeToLive", 3600)
json:append_string("Label", "M1")
rest:add_header("BrokerProperties", json:emit())
-- To add custom properties, such as "Priority" and "Color"
rest:add_header("Priority", "High")
rest:add_header("Customer", "12345")
local sbResponseBody = chilkat.StringBuilder.new()
success = rest:full_request_sb("POST", sbPath:get_as_string(), sbRequestBody, sbResponseBody)
if not success then
print(rest.last_error_text)
return
end
print("Response Status Code = " .. rest.response_status_code)
-- Check for a success response.
if rest.response_status_code ~= 201 then
print(rest.last_request_start_line)
print(rest.last_request_header)
print(sbResponseBody:get_as_string())
print("Failed.")
return
end
-- If successful, the 201 response will have no response body.
print("Success.")