TCP Listener - Configuration (Magic xpi 4.13)
The TCP Listener component enables Magic xpi to listen continuously for requests made by a TCP client on a TCP port, and to trigger a flow when a specific request is received.
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| Before you use the TCP Listener component, you should first define a TCP Listener service in the Settings dialog box's Services section. |
The Component Configuration: TCP Listener dialog box contains the following fields:
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Operation Details
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Message in
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Specifies the variable that holds a request received from a TCP client.
Click  to open the Variables List. Choose the required variable, and click Select.
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Return value
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Specifies the variable that holds the returned value. If you set the Processing mode (below) to Synchronous, a True value can be returned. If you set the Processing mode (below) to Asynchronous, a False value can be returned.
Click to open the Variables List. Choose the required variable, and click Select.
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Request Details
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Processing mode
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Specifies how the request is handled. Select one of the following from the drop-down list:
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Synchronous (default): Once the flow process (including any parallel branches of the flow) is completed, the value contained in the Return value variable (above) is returned as the TCP client's response.
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Asynchronous: No response/confirmation is sent to the TCP client. The client does not wait until the request has completed its activities.
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