51 lines
1.5 KiB
Lua
51 lines
1.5 KiB
Lua
local modem = peripheral.find("modem")
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local SERVER_PORT = 100
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local CLIENT_PORT = 101
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local function log(msg)
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print("[Server]: " .. tostring(msg))
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end
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local function broadcast(message)
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if modem then
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modem.transmit(CLIENT_PORT, SERVER_PORT, message)
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end
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end
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local function handleMessage(event, side, channel, replyChannel, message, distance)
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if type(message) == "table" then
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if message.type == "join" then
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log(message.username .. " connected.")
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broadcast({ type = "system", content = message.username .. " joined the chat." })
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elseif message.type == "leave" then
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log(message.username .. " disconnected.")
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broadcast({ type = "system", content = message.username .. " left the chat." })
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elseif message.type == "chat" then
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log(message.username .. ": " .. message.content)
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broadcast({ type = "chat", username = message.username, content = message.content })
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end
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end
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end
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local function listenLoop()
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if not modem then
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log("No modem found!")
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return
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end
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modem.open(SERVER_PORT)
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log("Listening on port " .. SERVER_PORT)
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while true do
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local eventData = {os.pullEvent("modem_message")}
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-- event, side, channel, replyChannel, message, distance
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if eventData[3] == SERVER_PORT then
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handleMessage(table.unpack(eventData))
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end
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end
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end
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local function main()
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parallel.waitForAll(listenLoop)
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end
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return { main = main } |