RSocket SendTo throws KErrTooBig only when sending to mobile network

[Lichtens]

Hi,

in my Applikation i'm sending udp packet data through a RSocket.

iSocket.SendTo(_L8("this is a test"), anAddr, 0, iStatus);

works fine, when i'm sending data over wifi to socket.

Only when i'm trying to send over the mobile (hsdpa) network, the result in iStatus is -40 (KErrTooBig).

Anybody an idea, what is happening here?

Best Regards,
Andi

[david.caabeiro]

Always avoid using local variables with async methods. It will save you some headaches..

[wizard_hu_]

An addition: not just anAddr is a local variable (and should be copied to a member variable), but _L8 is a local entity too. However if you replace it with _LIT8, that is a global one.

[Lichtens]

Hi,
and thank you both.
So i think, the Literal ist the problem then. The Address is no lokal variable in my real code i just wrote the example in here, and didn't thought about the variable name.

As I told, it works on the wifi network. Is this because the network is faster and so the async sending is so fast, that the lokal Litaral is not destroyed until sending is finished?

Regards,
Andi

[wizard_hu_]

As I told, it works on the wifi network. Is this because the network is faster and so the async sending is so fast, that the lokal Litaral is not destroyed until sending is finished?

It is a matter of luck and what your code does after returning from this method. The literal itself will remain in the memory block assigned to the program stack until it is overwritten. And it entirelly depends on your application.

[Lichtens]

Ok, changing the literal to a global one, solved the problem!

Thanks a lot,
Andi