Tchat serveur v0.5

local liste_client = {} -- ici, chaque élément sera un couple d'infos : ID client et pseudo

local idChannelLogin = 130
local idChannelAdmin = 131
local idChannelAdminRep = 13101
local idChannelMsgRec = 132
local idChannelMsgEnv = 133

local keygen = "azerty"

function attente_client()
    -- attente de connexion/déconnexion des clients
    print("lancement attente_client OK.")
    while true do
        modem.open(idChannelLogin)
        local event, modemSide, senderChannel, replyChannel, text, senderDistance = os.pullEvent("modem_message")
        if senderChannel == idChannelLogin then
            local msg = textutils.unserialize(text)
            if msg.key == keygen then
                if msg.action == "login" then
                    liste_client[msg.id] = msg.nickname
                    print("Nouveau client : "..msg.id.." "..liste_client[msg.id])
                elseif msg.action == "logout" then
                    table.remove(liste_client, msg.id)
                    print("logout du client : "..msg.id)
                end
            end
        end
        modem.close(idChannelLogin)
    end
end

function administration()
    -- envoi régulier d'infos aux clients
    print("lancement admin OK.")
    modem.open(idChannelAdmin)
    while true do

        local event, modemSide, senderChannel, replyChannel, text, senderDistance = os.pullEvent("modem_message")
        if text == "majliste" then
            local msg = textutils.serialize(liste_client)
            modem.transmit(idChannelAdminRep,idChannelAdmin,msg)
            print("maj liste envoyee")
        end

    end
    modem.close(idChannelAdmin)
end

function echange_msg()
    -- reçoit et distribue les messages
    print("lancement echange_msg OK.")
    modem.open(idChannelMsgEnv)
    while true do
        --sleep(5)
        local event, modemSide, senderChannel, replyChannel, text, senderDistance = os.pullEvent("modem_message")
        if senderChannel == idChannelMsgEnv then
            modem.transmit(idChannelMsgRec, idChannelMsgRec, text)
        end
    end
    modem.close(idChannelMsgEnv)
end

modem = peripheral.wrap("back")

term.clear()
term.setCursorPos(1,1)
print("ID du serveur : "..os.getComputerID())

parallel.waitForAny(attente_client, administration, echange_msg)

print("Fin du programme")