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1f593d0542
Author | SHA1 | Date | |
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1f593d0542 | |||
ba51252476 |
@ -36,6 +36,9 @@ Packet format is uniform between master <-> slaves and is structured like so:
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itemquant: int()
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destination: int()
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location: [int(),int(),int()]
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// Dump for additional body data
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body: any
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}
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```
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@ -49,6 +52,7 @@ Packet format is uniform between master <-> slaves and is structured like so:
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| `itemname` | false | string | The unlocalized name of an item. Used for querying, crafting, movement, etc. |
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| `itemquant` | false | int | Quantity of the aforementioned item |
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| `destination` | false | int | The CC ID of the intended recipient of the item |
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| `body` | false | any | Any additional body data per the requirements of a query, such as a detailed list of inventory contents |
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### Slave Node Initialization
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@ -63,8 +67,6 @@ Packet format is uniform between master <-> slaves and is structured like so:
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### Inventory Search (query)
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* A sender node (master or slave) sends out a `ping`
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* All available slaves respond with `pong`
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* The sender node sends a packet with type `query`. Field `itemname` is populated with an item to query for.
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* Each available slave responds with type `query`.
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* `itemname` is populated with data from the previous packet
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@ -24,6 +24,7 @@ modem_side = peripheral.getName(modem)
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-- Master globals
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m_slaves = {}
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-- Slave globals
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s_chest = peripheral.wrap("top") or nil
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-- Common functions
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function c_mainLoop(loopfunc)
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@ -33,7 +34,7 @@ function c_mainLoop(loopfunc)
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end
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end
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function c_waitForMessage()
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-- Waits for a message on the modem, timing out after 1 second
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-- Waits for a message on the modem, timing out after some duration
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local sender, message = rednet.receive(packet_magic, 1)
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if message then
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if
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@ -74,7 +75,9 @@ function m_loop()
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if msg["type"] == "pong" then
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local source = msg["sourceid"]
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print("Received pong from slave: " .. source)
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m_slaves[source] = source
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if (not m_slaves[source]) then
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m_slaves[source] = {}
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end
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end
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end
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function m_ping()
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@ -97,9 +100,21 @@ function s_loop()
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-- Respond to pings with pongs
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print("Received ping from master: " .. msg["sourceid"])
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c_sendMessage({type="pong"})
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elseif (msg["type"] == "query") then
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-- Analyze the attached inventory and see if we have the item
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else
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print("Unknown message: " .. textutils.serialize(msg))
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end
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-- If we have any items, we should stow them away. Put them in our chest if
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-- we can fit it, otherwise pass it along
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for i=1,16 do
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turtle.select(i)
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while turtle.getItemCount(i) > 0 do
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-- We have items in this slot -- push up until we can't anymore
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if not turtle.dropUp() then break end
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end
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if turtle.getItemCount(i) > 0 then turtle.drop() end
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end
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end
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-- Application entrypoint
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@ -116,6 +131,9 @@ function main ()
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elseif (mode == "slave") then
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print("Beginning initialization as slave...")
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rednet.open(modem_side)
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if not s_chest then
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error("No connected inventory. Place one above this node.", 0)
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end
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print("Entering main loop")
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c_mainLoop(s_loop)
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