Chilkat Examples

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Tcl Examples

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(Tcl) SQS Send Message

Note: This example requires a patch to work properly. It requires Chilkat v9.5.0.61, which can be obtained upon request to support@chilkatsoft.com

Delivers a message to the specified queue. With Amazon SQS, you now have the ability to send large payload messages that are up to 256KB (262,144 bytes) in size.

See SQS SendMessage or detailed information.

Chilkat Tcl Extension Downloads

Chilkat Tcl Extension Downloads

load ./chilkat.dll

#  Note: This example requires a patch to work properly.
#  It requires Chilkat v9.5.0.61, which can be obtained upon request to support@chilkatsoft.com

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

set rest [new_CkRest]

#  Connect to the Amazon AWS REST server.
#  such as https://sqs.us-west-2.amazonaws.com/
set bTls 1
set port 443
set bAutoReconnect 1
set success [CkRest_Connect $rest "sqs.us-west-2.amazonaws.com" $port $bTls $bAutoReconnect]

#  Provide AWS credentials for the REST call.
set authAws [new_CkAuthAws]

CkAuthAws_put_AccessKey $authAws "AWS_ACCESS_KEY"
CkAuthAws_put_SecretKey $authAws "AWS_SECRET_KEY"
#  the region should match our URL above..
CkAuthAws_put_Region $authAws "us-west-2"
CkAuthAws_put_ServiceName $authAws "sqs"

CkRest_SetAuthAws $rest $authAws

CkRest_AddQueryParam $rest "Action" "SendMessage"
CkRest_AddQueryParam $rest "MessageBody" "This is the message body which can be up to 256K in size."
CkRest_AddQueryParam $rest "MessageAttribute.1.Name" "test_attribute_name_1"
CkRest_AddQueryParam $rest "MessageAttribute.1.Value.StringValue" "test_attribute_value_1"
CkRest_AddQueryParam $rest "MessageAttribute.1.Value.DataType" "String"
CkRest_AddQueryParam $rest "MessageAttribute.2.Name" "test_attribute_name_2"
CkRest_AddQueryParam $rest "MessageAttribute.2.Value.StringValue" "test_attribute_value_2"
CkRest_AddQueryParam $rest "MessageAttribute.2.Value.DataType" "String"

#  Use the actual path part of your SQS queue URL here:
set responseXml [CkRest_fullRequestFormUrlEncoded $rest "POST" "/123456789123/chilkatTest"]
if {[expr [CkRest_get_LastMethodSuccess $rest] != 1]} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    exit
}

set xml [new_CkXml]

#  A successful response will have a status code equal to 200.
if {[expr [CkRest_get_ResponseStatusCode $rest] != 200]} then {
    puts "request header = [CkRest_lastRequestHeader $rest]"
    puts "response status code = [CkRest_get_ResponseStatusCode $rest]"
    puts "response status text = [CkRest_responseStatusText $rest]"
    puts "response header: [CkRest_responseHeader $rest]"
    [CkXml_LoadXml $xml $responseXml]
    puts [CkXml_getXml $xml]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkXml $xml
    exit
}

#  Examine the successful XML response.
CkXml_LoadXml $xml $responseXml
puts [CkXml_getXml $xml]
puts "----"

#  A successful response looks like this:
#  <?xml version="1.0" encoding="utf-8" ?>
#  <SendMessageResponse>
#      <SendMessageResult>
#          <MD5OfMessageBody>
#              fafb00f5732ab283681e124bf8747ed1
#          </MD5OfMessageBody>
#          <MD5OfMessageAttributes>
#  	    3ae8f24a165a8cedc005670c81a27295
#          </MD5OfMessageAttributes>
#          <MessageId>
#              5fea7756-0ea4-451a-a703-a558b933e274
#          </MessageId>
#      </SendMessageResult>
#      <ResponseMetadata>
#          <RequestId>
#              27daac76-34dd-47df-bd01-1f6e873584a0
#          </RequestId>
#      </ResponseMetadata>
#  </SendMessageResponse>

#  Get some values from the response XML:
puts "Body: [CkXml_chilkatPath $xml SendMessageResult|MD5OfMessageBody|*]"
puts "MessageId: [CkXml_chilkatPath $xml SendMessageResult|MessageId|*]"
puts "RequestId: [CkXml_chilkatPath $xml ResponseMetadata|RequestId|*]"

delete_CkRest $rest
delete_CkAuthAws $authAws
delete_CkXml $xml

 

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