Apache NiFi TCP Client/Server
Can I simulate a TCP client/server interaction using Apache NiFi processors alone or do I have to write code for this? The processors to be considered here are ListenTCP, PutTCP, and GetTCP. In particular, I want to simulate and show a POC for sending HL7 messages from a TCP client to a TCP server. Anyone done this before using NiFi? Any help would be appreciated. Thanks.
ListenTCP starts a server socket waiting for incoming TCP connections. Your client can make connections to the hostname where NiFi is running and the port specified in ListenTCP. If your client needs to send multiple pieces of data over a single connection, then it must send new-lines in between each message. You can simulate a client in NiFi by using PutTCP and pointing it at the same host/port where ListenTCP is running.
UPDATE - Here is an example of the flow:
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