indexing
	description: "Specification for transport modules able to send messages"
	license: "MIT license (see ../../license.txt)"
	author: "Beat Strasser <beat@stradax.net>"
	date: "$Date$"
	revision: "$Revision$"

deferred class
	P2P_MESSAGE_SENDER_TRANSPORT

inherit
	P2P_MESSAGE_TRANSPORT

feature -- Basic operations

	ping (address: P2P_ENDPOINT_ADDRESS): BOOLEAN is
			-- Does peer with given `address' respond?
		require
			Status_ok: module_status = start_ok
			Address_processable: address /= Void and address.protocol_name.is_equal (name)
		deferred
		end

	has_open_connection (address: P2P_ENDPOINT_ADDRESS): BOOLEAN is
			-- Does an open connection to given `address' exist?
		require
			Status_ok: module_status = start_ok
			Address_processable: address /= Void and address.protocol_name.is_equal (name)
		deferred
		end

	propagate (message: P2P_MESSAGE; service_name, service_parameter: STRING) is
			-- Propagate message
		require
			Status_ok: module_status = start_ok
			Message_valid: message /= Void
			Service_valid: service_name /= Void
		deferred
		end

	send_message (address: P2P_ENDPOINT_ADDRESS; message: P2P_MESSAGE) is
			-- Send message to a peer
		require
			Status_ok: module_status = start_ok
			Address_processable: address /= Void and address.protocol_name.is_equal (name) and address.service_name /= Void
			Message_valid: message /= Void
		deferred
		end

end