SimpleAsyncHTTP Problem

[Hydro]

Hi

I write a plugin for my home automation software and everything worked fine.

But i change my computer and i reinstall LMS on the new one and copy the plugin folder to the new LMS installation.

Nothing work now This is the message on my log :

[15-03-13 13:40:15.6810] Slim::Control::Request::notify (2085) Error: Failed notify: Can't use string ("") as a subroutine ref while "strict refs" in use at /<C:\PROGRA~2\SQUEEZ~1\server\SQUEEZ~3.EXE>Slim/Networking/SimpleAsyncHTTP.pm line 239.
[15-03-13 13:40:15.6822] Slim::Control::Request::notify (2085) Error: Failed notify: Can't use string ("") as a subroutine ref while "strict refs" in use at /<C:\PROGRA~2\SQUEEZ~1\server\SQUEEZ~3.EXE>Slim/Networking/SimpleAsyncHTTP.pm line 239.
[15-03-13 13:40:27.0805] Slim::Control::Request::notify (2085) Error: Failed notify: Can't use string ("") as a subroutine ref while "strict refs" in use at /<C:\PROGRA~2\SQUEEZ~1\server\SQUEEZ~3.EXE>Slim/Networking/SimpleAsyncHTTP.pm line 239.

This is my code where i use SimpleAsyncHTTP :

sub handlePlayStop {
	my $client = shift;

	
	
	my $iPower = $client->power();
	
	
					my $mac = ref($client) ? $client->macaddress() : $client;

	if ($iPower == 1){
my $http = Slim::Networking::SimpleAsyncHTTP->new({
                        client => $client, 
                        
                });

        $http->post("$jeedomipaddress/core/api/jeeApi.php?api=$jeedomapi&type=squeezebox&adress=$mac&logicalId=statut&value=Stop"); 		
	}
	else{
my $http = Slim::Networking::SimpleAsyncHTTP->new({
                        client => $client, 
                        
                });

        $http->post("$jeedomipaddress/core/api/jeeApi.php?api=$jeedomapi&type=squeezebox&adress=$mac&logicalId=statut&value=Off");
	}


}

Do you know what this error come from ?

Thank a lot !

[mherger]

> Code:
> --------------------
> [15-03-13 13:40:15.6810] Slim::Control::Request::notify (2085) Error: Failed notify: Can't use string ("") as a subroutine ref while "strict refs" in use at /<C:\PROGRA~2\SQUEEZ~1\server\SQUEEZ~3.EXE>Slim/Networking/SimpleAsyncHTTP.pm line 239.
> [15-03-13 13:40:15.6822] Slim::Control::Request::notify (2085) Error: Failed notify: Can't use string ("") as a subroutine ref while "strict refs" in use at /<C:\PROGRA~2\SQUEEZ~1\server\SQUEEZ~3.EXE>Slim/Networking/SimpleAsyncHTTP.pm line 239.
> [15-03-13 13:40:27.0805] Slim::Control::Request::notify (2085) Error: Failed notify: Can't use string ("") as a subroutine ref while "strict refs" in use at /<C:\PROGRA~2\SQUEEZ~1\server\SQUEEZ~3.EXE>Slim/Networking/SimpleAsyncHTTP.pm line 239.
> --------------------

Your call to Slim::Networking::SimpleAsyncHTTP->new needs to pass
callbacks for success and failure cases. Which you don't give.

--

Michael

[Hydro]

So why it worked before ?

I don't find how to make callbacks ? Sorry i'm not very good at coding

[mherger]

> So why it worked before ?

I'm wondering, too.

> I don't find how to make callbacks ? Sorry i'm not very good at coding

Checkout the many places where SimpleAsyncHTTP is being used. In the
simplest case you might just pass it an empty call: sub {}. But it's a
good idea to have a callback check whether your call succeeded or not.

--

Michael

[Hydro]

For example i use :

	my $http = Slim::Networking::SimpleAsyncHTTP->new(\&getChartLyricsResponse, \&gotErrorViaHTTP, {
			client => $client, 
			params => $params,
			track => $track,
			trackTitle => $trackTitle,
			albumTitle => $albumTitle,
			artistName => $artistName,
			
		});

What is the callback in this code ? \&getChartLyricsResponse, \&gotErrorViaHTTP, ?

[mherger]

> What is the callback in this code ? \&getChartLyricsResponse,
> \&gotErrorViaHTTP, ?

Yes, these are functions defined somewhere in the code which will be
called on success or failure respectively.

--

Michael

[mherger]

BTW: there's a bit of documentation at the bottom of
Slim/Networking/SimpleAsyncHTTP.pm.

--

Michael

[Hydro]

Ok so i try :

sub commandCallback {

my $http = Slim::Networking::SimpleAsyncHTTP->new(\&gotErrorViaHTTP, {
                        client => $client, 
                        
                });

}

sub gotErrorViaHTTP {
        
}

I've got a new error :

[15-03-16 13:12:50.4812] Slim::Control::Request::notify (2085) Error: Failed notify: Not a CODE reference at /<C:\PROGRA~2\SQUEEZ~1\server\SQUEEZ~3.EXE>Slim/Networking/SimpleAsyncHTTP.pm line 239.

[Hydro]

Ok so i add both error and validate callback and no more error message. But it didn't work

Can i print into log the http request ?

I try : $log->error("Couldn't find requested entry: $jeedomapi $jeedomipaddress $mac $iVolume"); and every data is ok

[mherger]

Please check some of the many calls in the code. There are lots of
examples of how this works. Without more information about your code and
what you want to achieve it's really hard to be of any more help. What's
your code looking like? What result are you expecting? What are you getting?

You can always "print Data:ump::dump($httpRequest)" in one of the
callbacks to get more information about the call. $httpRequest is the
first parameter sent to the callbacks.

--

Michael