Hi Nick,
My Requirement is to have a iOS Application to discover the enter devices
without using Slpd ( as iOS cannot run processes such as Slpd due to its
Sanbox nature ).
In our environment we have a configured Mac ( having iOS Simulator ) and
Entertainment Devices only in our LAN.
After compiling the code , make install produced a static library as well as
header file and couple of resources ( slp.conf & slp.spi ) .
We have created a Sample iOS application which uses libslp.a ( static
library ) , resources ( slp.conf & slp.spi ) and header file ( slp.h ).
Using the functions exposed in slp.h , we are making calls to SLPFindSrvs
function.
*Steps :*
1. Created a SLP Handle using SLPOpen.
2, After successful creation , calling SLPFindSrvs function with following
Parameters.
a) srvType : service:acn.esta
b) scopelist : ACN-DEFAULT OR NULL
c) filter : NULL
3. SLPFindSrvs Callback function gets called always but with varied results.
a) When Slpd Co-existed in Mac OS , Callback function discovered the
services available.
b) In the absence of Slpd , Callback function gets called only once with
"errorCode" value SLP_LAST_CALL whic does not discover the service at all.
I suspect the libslp functions are heavily depend on Slpd existence. Am i
wrong ??.
Please help me to analyze the behavior of this function based on slpd
existence.
Thanks,
Janakiram
On Tue, Sep 20, 2011 at 8:31 PM, Nick Wagner <ne...@wingedbeast.org> wrote:
> Hmm.. Could you get a wireshark trace of this? I'm curious to see if any
> multicast is happening.
>
> Oh, and I'm glad to see the "service:acn.esta" in the example. I work at
> ETC. :)
>
> --Nick
>
>
>
> On Tue, Sep 20, 2011 at 9:31 AM, sudheer dantuluri <
> dantuluri.sudh...@gmail.com> wrote:
>
>> Hi,
>>
>> We have successfully compiled the openSLP2.0beta2 source code for iOS and
>> with your instruction written a sample application to find out list of
>> services available on the local network -- to do this we have used slp.h and
>> libslp.a files created by GNU Make process.
>>
>> PFA Example file for the sample code.
>>
>> My Environment Setup has an iPhone Simulator and one Entertainment Device
>> ( Wireless Audio Receiver exposing SLP service ), only these two are
>> connected in LAN.
>>
>> The Same code (SLPFindSrvs callback function ) behaves differently when
>> its executed along with/without slpd tool.
>>
>> Output when *SLPD is running* when Sample Code is Executed.
>>
>> -----------------------------------------------------------------------------------------
>>
>> *2011-09-20 17:29:49.739 openSLPExample[6105:207] Service Type =
>> service:acn.esta*
>>
>> *2011-09-20 17:29:49.739 openSLPExample[6105:207] Host Identification = *
>>
>> *2011-09-20 17:29:49.740 openSLPExample[6105:207] Port Number = 0*
>>
>> *2011-09-20 17:29:49.740 openSLPExample[6105:207] Family = IP*
>>
>> *2011-09-20 17:29:49.740 openSLPExample[6105:207] URL Remainder =
>> DD200C02-0000-11DD-A000-000EDDCCCCCC*
>>
>> *
>> *
>>
>> Output when *SLPD is NOT RUNNING* when Sample Code is Executed.
>>
>> -----------------------------------------------------------------------------------------
>>
>> *2011-09-20 17:31:13.968 openSLPExample[6137:207]
>> ***********************************************
>>
>> *2011-09-20 17:31:13.969 openSLPExample[6137:207] MySLPSrvURLCallback
>> Error Code is = 1*
>>
>> *2011-09-20 17:31:13.970 openSLPExample[6137:207]
>> ***********************************************
>> *
>> *
>> ********************
>>
>> I suspect my sample code is internally taking the help of SLPD ( meaning
>> DA) to discover the slp service exposed by the entertainment device. So
>> thats why its showing the output only when the slpd is running.
>>
>> Problem with my environment is in iOS we cannot run the process such as
>> slpd as its sanboxed. I can only use the static library and header file to
>> discover the slp services.
>>
>> Please help me to resolve the issues.
>>
>>
>> Thanks
>> Sudheer
>>
>
>
>
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