Hi,
Looks like this thread is related to /oic/ad resource. Note that this resource is removed from spec and will be redefined. Regards Dwarka ---------------------------------------------------------------------------------- Software R&D Center | Convergence Team | IoT Lab Open Connectivity Foundation ? OSWG ? Spec Coordination TG Chair Iotivity Steering Group ? Advisory Committee From: iotivity-dev-bounces at lists.iotivity.org [mailto:[email protected]] On Behalf Of ??? Sent: Friday, September 02, 2016 5:19 PM To: iotivity-dev at lists.iotivity.org Subject: Re: [dev] Question about presence. Hi. that presence occlient has is resource presence. when new resource is created or changed, that function is started. BR, Jihwan --------- Original Message --------- Sender : ??? <ttaem1 at gmail.com <mailto:ttaem1 at gmail.com> > Date : 2016-09-02 17:06 (GMT+9) Title : Re: [dev] Question about presence. I have one more question. 1. ./presenceclient -t 4 2. ./ocserver -o 1 When I do this, presence callback is called whenever resource is created. I already know presence function is related to device. This behavior seems to be strange. I think presence callback must be called when new device appear. How do you think about this? Thank you very much. 2016-09-02 16:02 GMT+09:00 ??? <jihwan.seo at samsung.com <mailto:jihwan.seo at samsung.com> >: Hi ?? right. multicast presence has some issue in occlient app. (t 16) it was worked as unicast presence with IPv4 multicast address. if you want to run the option in occlient. please find below changeset. https://gerrit.iotivity.org/gerrit/#/c/11329/ and if you want to know what resource was changed, to make easy of get new resource, it is better to call findresouce again. i think Thank you for your confirm. BR, Jihwan. --------- Original Message --------- Sender : ??? <ttaem1 at gmail.com <mailto:ttaem1 at gmail.com> > Date : 2016-09-02 14:51 (GMT+9) Title : Re: [dev] Question about presence. Thank you for your reply I am sorry, I used -t 16 option After executing ./occlient -t 16, I executed ./ocserver -o 1 but, Nothing happend. so, I found another example "./presenceclient -t 4" 1. ./presenceclient -t 4 2. ./ocserver -o 1 The result was fine. cklee at cklee-desktop:~/work/iotivity/out/linux/x86_64/release/resource/examples$ ./presenceclient -t 4 Created Platform... Subscribed to multicast presence. Received presence notification from : 192.168.10.125 In presenceHandler: Nonce# 2931645225 Received presence notification from : 192.168.10.125 In presenceHandler: Nonce# 942494190 Received presence notification from : 192.168.10.125 In presenceHandler: Nonce# 534584721 Received presence notification from : 192.168.10.125 In presenceHandler: Nonce# 1517390830 Received presence notification from : 192.168.10.125 In presenceHandler: Nonce# 4085107204 Received presence notification from : 192.168.10.125 In presenceHandler: Nonce# 1993083079 Received presence notification from : 192.168.10.125 In presenceHandler: Nonce# 2271273050 Received presence notification from : 192.168.10.125 In presenceHandler: Presence Stopped But, How can i know about server's resources.?? presence function can't find about device's resources as you said ? If so, I will play with observe function. Thank you~ Best Regards, cklee 2016-09-02 14:28 GMT+09:00 ??? <jihwan.seo at samsung.com <mailto:jihwan.seo at samsung.com> >: Hi. it seems work as well. you know "13" is just for the unicast presence. it means you can get presence callback for the address you selected through URI. when you try to execute ocserver/occlient you can find executing to subscribe presence with URI which has IPv6 address like below log. Executing InitPresence 02:40.814 INFO: OIC_RI_STACK: Entering OCDoResource ... 02:40.814 INFO: OIC_RI_CLIENTCB: Added Callback for uri : coap://[fe80::ea11:32ff:fe36:bbca%25eth0]:54691/oic/ad and then there are some responses which has oic/ad URI and IPv6 address. 02:42.814 ERROR: OIC_RI_STACK: check for unicast presence 02:42.814 INFO: OIC_RI_CLIENTCB: Looking for uri coap://[fe80::ea11:32ff:fe36:bbca%25eth0]:54691/oic/ad 02:42.814 INFO: OIC_RI_CLIENTCB: Found /oic/res 02:42.814 INFO: OIC_RI_CLIENTCB: Found coap://[fe80::ea11:32ff:fe36:bbca%25eth0]:54691/oic/ad ... 02:42.814 INFO: occlient: Callback Context for Presence recvd successfully 02:42.814 INFO: occlient: StackResult: OC_STACK_OK 02:42.814 INFO: occlient: Callback Context for Presence notification recvd successfully 0 02:42.814 INFO: PayloadLog: Payload Type: Presence 02:42.814 INFO: PayloadLog: Sequence Number:172134293 02:42.814 INFO: PayloadLog: Max Age:60 02:42.814 INFO: PayloadLog: Trigger:change 02:42.814 INFO: PayloadLog: Resource Type:oic.wk.ad <http://oic.wk.ad> 02:42.814 INFO: occlient: =============> Presence Response presence is handling only oic/ad resource. if you want to handle general resource like oic/led, oic/fan. please use observe function. BR, Jihwan --------- Original Message --------- Sender : ??? <ttaem1 at gmail.com <mailto:ttaem1 at gmail.com> > Date : 2016-09-01 20:01 (GMT+9) Title : [dev] Question about presence. Hi, All I am testing with occlient & ocserver. First, I ran ocserver, and I ran occlient with option -t 13, I thought that occlient would receive presence about ocserver (core.fan, core.led) but, Nothing happened. I want to get information new device resources while client is running. Thank you. 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