LoadVars & CGI question

2003-03-04

This is really annoying me

I have written a CGI script (in C) which sets the content_type of its response to "text/html".

My Flash movie is able to send its variables to the CGI script (using Flas's default content_type) and the CGI script correctly interprets the variables.

The problem is with the response sent back from the script: Flash can't seem to parse the name=variable list.

I've tried setting the content_type of my LoadVars objects to "html/text", but Flash still doesn't get it right. I've also attempted to get my CGI script to respond using the "application/x-www-form-urlencoded" content_type, and that doesn't work either. AAaaargh!

Any ideas ? Anything

?

PEDALSPEED · 2003-03-04 #2

Post your sendAndLoad code.

bandit · 2003-03-04 #3

Here's my test code (Main TimeLine). Note that the values being returned are being decoded into properties of my dataReceiver object - but the values are wrong i.e. they are not being decoded properly.

Thanks for any help...

**

dataSender = new LoadVars();
//dataSender.contentType = "html/text";
dataReceiver = new LoadVars();
//dataReceiver.contentType = "html/text";

dataReceiver.onLoad = function(success){
if (success){
trace(dataReceiver.toString());
trace(dataReceiver.contentType);
trace(dataReceiver.OptionValue);

} else {
trace("Call to CGI script Failed");
}
}

CalcButton.onPress = function(){
dataSender.num1 = 50;
dataSender.num2 = 50;
dataSender.num3 = 10;
...
dataSender.sendAndLoad("http://<servername>/scripts/myscript.cgi",dataReceiver,"POST");
}

PEDALSPEED · 2003-03-04 #4

Code:

htmlText

not

Code:

html/text

PEDALSPEED · 2003-03-04 #5

Try this:

Replace x and y with your name pairs.

Code:

trace(dataReceiver.decode("x=10&y=20")); 
trace(dataReceiver.y);

Also, what are the values supposed to be and what is displayed?

bandit · 2003-03-04 #6

Pedalspeed,

First, thanks for your help - I really appreciate your time to respond to my post.

I solved my problem:

It turns out that the LoadVars variables being sent to the server are being sent in the reverse order to which they were defined in my code!!

my code:

dataSender.Num1=50;
dataSender.Num2=10;
dataSender.Num3=33;

results in the following string being sent to the server:

"Num3=33&Num2=10&Num1=50"

Because my CGI script identifies name/value pairs by their order and not their name, the wrong input was being processed.

I'm not familiar enough with CGI script coding 'best practices' in general to come to any definite conclusions - but I'd say this is more likely a bug than a feature ?!

Bernard.

PEDALSPEED · 2003-03-04 #7

Changing

Code:

dataSender.Num3 = numA;
dataSender.Num2 = numB;
dataSender.Num1 = numC;

To:

Code:

dataSender.Num1 = numA;
dataSender.Num2 = numB;
dataSender.Num3 = numC;

Changes the order and keeps the results.

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	Ultrashock Forums > Flash > ActionScript • LoadVars & CGI question


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	bandit	2003-03-04 #3
	my code Here's my test code (Main TimeLine). Note that the values being returned are being decoded into properties of my dataReceiver object - but the values are wrong i.e. they are not being decoded properly. Thanks for any help... ** dataSender = new LoadVars(); //dataSender.contentType = "html/text"; dataReceiver = new LoadVars(); //dataReceiver.contentType = "html/text"; dataReceiver.onLoad = function(success){ if (success){ trace(dataReceiver.toString()); trace(dataReceiver.contentType); trace(dataReceiver.OptionValue); } else { trace("Call to CGI script Failed"); } } CalcButton.onPress = function(){ dataSender.num1 = 50; dataSender.num2 = 50; dataSender.num3 = 10; ... dataSender.sendAndLoad("http://<servername>/scripts/myscript.cgi",dataReceiver,"POST"); }

	PEDALSPEED	2003-03-04 #4
	Code: htmlText not Code: html/text

	PEDALSPEED	2003-03-04 #5
	Try this: Replace x and y with your name pairs. Code: trace(dataReceiver.decode("x=10&y=20")); trace(dataReceiver.y); Also, what are the values supposed to be and what is displayed?

	bandit	2003-03-04 #6
	Bug or Plain Weird ? Pedalspeed, First, thanks for your help - I really appreciate your time to respond to my post. I solved my problem: It turns out that the LoadVars variables being sent to the server are being sent in the reverse order to which they were defined in my code!! my code: dataSender.Num1=50; dataSender.Num2=10; dataSender.Num3=33; results in the following string being sent to the server: "Num3=33&Num2=10&Num1=50" Because my CGI script identifies name/value pairs by their order and not their name, the wrong input was being processed. I'm not familiar enough with CGI script coding 'best practices' in general to come to any definite conclusions - but I'd say this is more likely a bug than a feature ?! Bernard.

	PEDALSPEED	2003-03-04 #7
	Changing Code: dataSender.Num3 = numA; dataSender.Num2 = numB; dataSender.Num1 = numC; To: Code: dataSender.Num1 = numA; dataSender.Num2 = numB; dataSender.Num3 = numC; Changes the order and keeps the results.