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daa4e05e18
Add in limited caching for multiple clients requesting an Observe subscription for the same upstream session resource so that only a single observation request is sent upstream and any unsolicited response is sent back to all the requesting clients. This requires a change in the recently added handler registered to coap_register_proxy_response_handler(), which no longer should no longer call coap_proxy_forward_response(), but just return a PDU for forwarding on.
This README documents the test cases supported for the 1st ETSI CoAP plugtest on March 24/25 in Paris, France. <http://www.etsi.org/plugtests/coap/coap.htm> Legend: [+] full support [o] partial support [-] no support [?] needs check [ ] has open issues Mandatory Tests [+] TD_COAP_CORE_01 Perform GET transaction (CON mode) [+] TD_COAP_CORE_02 Perform POST transaction (CON mode) [+] TD_COAP_CORE_03 Perform PUT transaction (CON mode) [+] TD_COAP_CORE_04 Perform DELETE transaction (CON mode) [+] TD_COAP_CORE_05 Perform GET transaction (NON mode) [+] TD_COAP_CORE_06 Perform POST transaction (NON mode) [+] TD_COAP_CORE_07 Perform PUT transaction (NON mode) [+] TD_COAP_CORE_08 Perform DELETE transaction (NON mode) [+] TD_COAP_CORE_09 Perform GET transaction with delayed response (CON mode, no piggyback) [+] TD_COAP_CORE_10 Handle request containing Token option [+] TD_COAP_CORE_11 Handle request not containing Token option [+] TD_COAP_CORE_12 Handle request containing several Uri-Path options [+] TD_COAP_CORE_13 Handle request containing several Uri-Query options [?] TD_COAP_CORE_14 Interoperate in lossy context (CON mode, piggybacked response) [?] TD_COAP_CORE_15 Interoperate in lossy context (CON mode, delayed response) Optional Tests [ ] TD_COAP_LINK_01 Access to well-known interface for resource discovery [-] TD_COAP_LINK_02 Use filtered requests for limiting discovery results [+] TD_COAP_BLOCK_01 Handle GET blockwise transfer for large resource (early negotiation) [+] TD_COAP_BLOCK_02 Handle GET blockwise transfer for large resource (late negotiation) [-] TD_COAP_BLOCK_03 Handle PUT blockwise transfer for large resource [-] TD_COAP_BLOCK_04 Handle POST blockwise transfer for large resource [-] TD_COAP_OBS_01 Handle resource observation [-] TD_COAP_OBS_02 Stop resource observation [-] TD_COAP_OBS_03 Client detection of deregistration (Max-Age) [-] TD_COAP_OBS_04 Server detection of deregistration (client OFF) [-] TD_COAP_OBS_05 Server detection of deregistration (explicit RST)