From 4aff59eba88366c868272c9e0b5691d734e8abe7 Mon Sep 17 00:00:00 2001
From: Kiritow <1362050620@qq.com>
Date: Sat, 17 Nov 2018 16:12:06 +0800
Subject: [PATCH] Collect Drone Bios v3.0

---
 drone_bios.lua | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 drone_bios.lua

diff --git a/drone_bios.lua b/drone_bios.lua
new file mode 100644
index 0000000..2fef908
--- /dev/null
+++ b/drone_bios.lua
@@ -0,0 +1,92 @@
+local drone=component.proxy(component.list("drone")())
+local network=component.proxy(component.list("tunnel")())
+
+while true do
+    local evt,_,sender,port,dist,cmd=computer.pullSignal()
+    if(evt=="modem_message") then
+        local xok,xresult=pcall(function() 
+            local ok,result=pcall(load(cmd))
+            if(ok) then 
+                network.send(result)
+            else
+                network.send("Command Execute Failed: " .. result)
+            end
+        end)
+        if(not xok) then
+            network.send("Internal Error: " .. xresult)
+        end
+    end
+end
+
+------------------------------------
+
+drone=component.proxy(component.list("drone")())
+drone.setStatusText("Drone v3.0")
+modem=component.proxy(component.list("modem")())
+modem.open(98)
+handlers={}
+handlers["modem_message"]={}
+table.insert(handlers["modem_message"],function(event)
+    local sender=event[3]
+    local tag=event[6]
+    local cmd=event[7]
+    if(tag~=nil and cmd~=nil and tag=='execute_command') then 
+        local ok,err=pcall(function() 
+            local f=load(cmd)
+            local cmdok,cmdresult=pcall(f)
+            if(not cmdok) then
+                modem.send(sender,99,"Failed to execute: " .. cmdresult)
+            else
+                modem.send(sender,99,cmdresult)
+            end
+        end)
+        if(not ok) then
+            modem.send(sender,99,"Command Execute Failed: " .. err)
+        end
+    end
+end)
+handle_event=function(raw_event)
+    if(handlers[raw_event[1]]~=nil) then
+        for idx,callback in ipairs(handlers[raw_event[1]]) do
+            pcall(function()
+                callback(raw_event)
+            end)
+        end
+    end
+end
+sleep=function(sec)
+    local deadline=computer.uptime() + sec
+    while true do
+        local raw_event=table.pack(computer.pullSignal(deadline-computer.uptime()))
+        if(raw_event[1]==nil) then break
+        else handle_event(raw_event)
+        end
+    end
+end
+
+while true do
+    handle_event(table.pack(computer.pullSignal()))
+end
+
+-------------------------
+--- sleep implementation for drone
+-------------------------
+
+sleep=function(sec)
+    local deadline=computer.uptime() + sec
+    while true do
+        local raw_event=table.pack(computer.pullSignal(deadline-computer.uptime()))
+        if(raw_event[1]==nil) then break
+        else handle_event(raw_event)
+        end
+    end
+end
+
+------------------------------------
+-- Wireless ADS Sender (Running on Computer)
+------------------------------------
+
+while true do
+    component.modem.broadcast(101,"ads_tower","MainCity")
+    os.sleep(1)
+end
\ No newline at end of file