Add ping-pong with one middlebox example configuration file (2c5b8891) · Commits · CYBER - Cyber Security / TS 103 523 MSP / TLMSP / TLMSP Tools

examples/pingpong.1mbox.ucl

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		#
		# Simple ping pong arrangement bewteen a client and server with one
		# middlebox
		#

		# One context
		context {
		id = 1
		tag = context-1
		}

		# Behavior definition that the client will use
		activity {
		tag = send-ping

		match {
		at = 2000 # Start the action two seconds after connect
		every = 3000 # Then repeat the action every 3 seconds
		}

		action {
		#
		# For time triggered behavior on an endpoint, send-before,
		# send-replace, and send-after are equivalent. Here,
		# send-after is used.
		#
		send-after {
		context = context-1 # Send in context-1
		data = "client-ping" # Send this data
		}
		}
		}

		# Behavior definition that the middlebox will use in the to-server
		# direction.
		activity {
		tag = mbox1-ping

		match {
		which = context-1 # Look for matches in context-1
		data = "client-ping" # Look for this data
		}

		action {
		# Use send-replace to replace the matched data
		send-replace {
		context = context-1 # Send the replacement in context-1
		data = "PING" # Send this as the replacement
		}
		}
		}

		# Behavior definition that the middlebox will use in the to-client
		# direction.
		activity {
		tag = mbox1-pong

		match {
		which = context-1 # Look for matches in context-1
		data = "PONG" # Look for this data
		}

		action {
		# Use send-replace to replace the matched data
		send-replace {
		context = context-1 # Send the replacement in context-1
		data = "server-pong" # Send this as the replacement
		}
		}
		}

		# Behavior definition that the server will use
		activity {
		tag = reply-pong

		match {
		which = * # Which contexts to look for a match in.
		# Endpoints have access to all contexts, so no
		# need to be specific.
		data = "PING" # Look for this data
		}

		action {
		send-replace {
		context = context-1
		data = "PONG"
		}
		}
		}

		# Give the client an address and the send-ping behavior
		client {
		address = tlmsp://localhost
		function = send-ping
		}

		# Give the middlebox an address, give it read-write access to
		# context-1, and specify behaviors in the to-server and to-client
		# directions
		middlebox {
		tag = mbox1
		address = tlmsp://localhost:20851

		context {
		which = "context-1"
		access = rw
		}

		function-to-server = mbox1-ping
		function-to-client = mbox1-pong
		}

		# Give the server an address and the reply-pong behavior
		server {
		address = tlmsp://localhost:23812
		function = reply-pong
		}

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