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Work on README, add duplicated logic for targeting

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Salt 2024-02-26 00:30:44 -06:00
parent c8806be02d
commit 9f2b3a8050
2 changed files with 11 additions and 10 deletions
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10
storage-net/README.md
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@ -14,9 +14,7 @@ The master node must have a modem attached and be within range of all slave node
## Communication Protocol
Port 42914 is used for Master => Slave broadcasting
Port 42915 is used for Slave => Master return broadcasting
Messages are sent over rednet with the protocol `ccstoragenet`.
### Packet Format
@ -52,17 +50,15 @@ Packet format is uniform between master <-> slaves and is structured like so:
| `itemquant` | false | int | Quantity of the aforementioned item |
| `destination` | false | int | The CC ID of the intended recipient of the item |
Messages are sent over rednet with the protocol `ccstoragenet`.
### Slave Node Initialization
* The slave starts up
* The slave starts up and immediately listens for messages
### Master Node Initialization
* The master node starts up
* The master node sends a packet with type `ping`.
* The master node listens for `pong` packets for a configurable timeout.
* The master node listens for `pong` packets from all slaves.
* The `sourceid` of all `pong` packets is recorded for statistics displays. This cached data is only used for user display. Node availability is evaluated at request time.
### Inventory Search (query)

11
storage-net/common.lua
View File

@ -22,6 +22,7 @@ print("Computer " .. os.getComputerID() .. " configured as " .. mode)
modem = peripheral.find("modem") or error("No modem attached", 0)
modem_side = peripheral.getName(modem)
-- Master globals
m_slaves = {}
-- Slave globals
-- Common functions
@ -36,9 +37,10 @@ function c_waitForMessage()
local sender, message = rednet.receive(packet_magic, 1)
if message then
if
(not message["type"]) or -- Message type is required
(message["sourcetype"] == mode) or -- Ignore packets from our class of machines
(message["networkid"] ~= networkid) -- Ignore packets from other networks
(not message["type"]) or -- Message type is required
(message["sourcetype"] == mode) or -- Ignore packets from our class of machines
(message["networkid"] ~= networkid) or -- Ignore packets from other networks
(message["targetid"] and message["targetid"] ~= os.getComputerID) -- Ignore packets for other machines
then
print("Discarded nonconformant message")
return nil
@ -74,6 +76,9 @@ function m_loop()
print("Received pong from slave: " .. msg["sourceid"])
end
end
function m_ping()
c_sendMessage({type="ping"})
end
-- Slave functions
function s_loop()