Add remotedbserver.lua

remotedbserver.lua

@@ -0,0 +1,36 @@
+if not fs.exists("data.db") then
+    local file = fs.open("data.db", "w")
+    file.write("{}")
+    file.close()
+end
+local file = fs.open("data.db","r+")
+local eplib = require("entrypointlib")
+if not file then error("failed to open db file") end
+
+local function readTable()
+    file.seek("set")
+    return textutils.unserialise(file.readAll() or "{}") or {}
+end
+
+local function writeTable(t)
+    file.seek("set")
+    file.write(textutils.serialise(t))
+    file.flush()
+end
+
+local function receive()
+    while true do
+        sleep(0)
+        local _,msg,id = os.pullEvent("network_packet")
+        if msg.proto == "getTable" then
+            eplib.send({proto = "resp", table = readTable()}, id)
+            print("sent table to "..tostring(id))
+        elseif msg.proto == "setTable" then
+            writeTable(msg.table)
+            print("updated table from "..tostring(id))
+            eplib.send({proto="OK"},id)
+        end
+    end
+end
+
+parallel.waitForAny(eplib.loop,receive)