Receiving a rednet message through os.pullEvent() - Revision history

SquidDev: Use local variables instead of globals

2017-07-20T17:56:19Z

Use local variables instead of globals

2014-03-26T07:44:28Z

Removed from Programs category

2013-09-06T19:10:18Z

2012-12-03T05:09:32Z

‎Explanation

2012-12-03T05:08:47Z

‎The Code: - Gave a bit more sophisticated code for this...

2012-11-28T15:48:08Z

Moved to CAT:Programs, CAT:Tutorials.

2012-07-17T13:44:14Z

2012-07-17T13:43:57Z

Undo revision 2179 by 188.143.232.12 (talk)

2012-07-17T13:41:59Z

‎Explanation

2012-04-17T07:20:49Z

@@ Line 6: / Line 6: @@
   for n,m in ipairs(rs.getSides()) do rednet.open(m) end -- Opens all rednet sides.
   while true do
-    event, id, text = os.pullEvent()
+    local event, id, text = os.pullEvent()
     if event == "rednet_message" then
       print(id .. "> " .. text)
@@ Line 19: / Line 19: @@
 We start a loop because os.pullEvent() terminates itself after 10 seconds.
-  event, id, text = os.pullEvent()
+  local event, id, text = os.pullEvent()
 We wait for an event to occur and when this happens, we store the event's info into 3 variables.
 NOTE: You can give your variables whichever name you want.

← Older revision		Revision as of 07:44, 26 March 2014
Line 36:		Line 36:
	Beware that rednet is not secure on its own, with easily exploitable vulnerabilities that allow hackers to hack your networks into pieces--through attacks like wiretapping, spoofing, forgery, overloading, and many more. Be sure to add your own security when using rednet.		Beware that rednet is not secure on its own, with easily exploitable vulnerabilities that allow hackers to hack your networks into pieces--through attacks like wiretapping, spoofing, forgery, overloading, and many more. Be sure to add your own security when using rednet.

−	~~[[Category:Programs]]~~[[Category:Tutorials]]	+	[[Category:Tutorials]]

@@ Line 1: / Line 1: @@
-The following method is a good method of receiving a rednet message without using rednet.receive().
+The following method is a good method of receiving a [[Rednet_(API)|rednet]] message without using rednet.receive().
 It is usually used in IRC, Chat programs e.t.c.
 When a message arrives to a computer, a "rednet_message" event occurs.
@@ Line 32: / Line 32: @@
   end
 We close our previous statements.
 [[Category:Programs]][[Category:Tutorials]]

@@ Line 13: / Line 13: @@
 == Explanation ==
-  rednet.open("Direction_of_modem")
+  for n,m in ipairs(rs.getSides()) do rednet.open(m) end
-Here we just open the modem.
+Here we just open all sides for rednet processing.
   while true do

@@ Line 4: / Line 4: @@
 == The Code ==
 This is a typical Listener which prints the content and the sender id of any incoming message.
-  rednet.open("Direction_of_modem")
+  for n,m in ipairs(rs.getSides()) do rednet.open(m) end -- Opens all rednet sides.
   while true do
     event, id, text = os.pullEvent()

← Older revision		Revision as of 15:48, 28 November 2012
Line 32:		Line 32:
	end		end
	We close our previous statements.		We close our previous statements.
		+
		+	[[Category:Programs]][[Category:Tutorials]]

← Older revision		Revision as of 13:44, 17 July 2012
Line 32:		Line 32:
	end		end
	We close our previous statements.		We close our previous statements.
−
−
−	~~Note: From my research, I didn't find a similar article and decided to make one. I hope that someone will improve it.~~
−	~~--[[User:XDot\|XDot]] 07:19, 17 April 2012 (UTC)~~

← Older revision		Revision as of 13:43, 17 July 2012
Line 12:		Line 12:
	end		end

−	~~What~~ a ~~pleasure~~ to ~~find soemone who identifies~~ the ~~issues so clearly~~	+	== Explanation ==
		+	rednet.open("Direction_of_modem")
		+	Here we just open the modem.
		+
		+	while true do
		+	We start a loop because os.pullEvent() terminates itself after 10 seconds.
		+
		+	event, id, text = os.pullEvent()
		+	We wait for an event to occur and when this happens, we store the event's info into 3 variables.
		+	NOTE: You can give your variables whichever name you want.
		+
		+	if event == "rednet_message" then
		+	We check if the event was a rednet message.
		+
		+	print(id .. "> " .. text)
		+	We print the message and the id of the sender.
		+
		+	end
		+	end
		+	We close our previous statements.
		+
		+
		+	Note: From my research, I didn't find a similar article and decided to make one. I hope that someone will improve it.
		+	--[[User:XDot\|XDot]] 07:19, 17 April 2012 (UTC)