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60 lines
1.4 KiB
60 lines
1.4 KiB
network = {}
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nodes = {}
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active_node = {}
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function network.register(addr, callback)
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if nodes[addr] ~= nil then
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error("Address "..addr.." already registered!")
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end
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nodes[addr] = callback
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active_node = {}
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table.insert(active_node, addr)
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end
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function network.deregister(addr, callback)
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if nodes[addr] ~= callback then
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error("Callback was not registered for "..addr)
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end
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nodes[addr] = nil
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end
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function network.send(addr, port, msg)
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local callback = nodes[addr]
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if callback == nil then
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error("Sent message to offline node ("..addr..")!")
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end
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local current_node = active_node[#active_node]
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-- Push target onto node-stack
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table.insert(active_node, addr)
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-- print("Sending from "..current_node.." to "..addr..": "..msg)
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-- print(require("inspect").inspect(active_node))
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callback("modem_message", addr, current_node, port, 0, msg)
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-- Remove again
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active_node[#active_node] = nil
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end
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function network.broadcast(port, msg)
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local current_node = active_node[#active_node]
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-- print("Broadcasting from "..current_node)
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for addr in pairs(nodes) do
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if addr ~= current_node then
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network.send(addr, port, msg)
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end
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end
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end
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function network.set_scene(addr)
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active_node = {}
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table.insert(active_node, addr)
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end
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function network.get_scene(addr)
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return active_node[#active_node]
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end
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return network
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