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examples/gcoap: take full URI as input #20554

Merged
merged 3 commits into from
May 14, 2024
Merged

examples/gcoap: take full URI as input #20554

merged 3 commits into from
May 14, 2024

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fabian18
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@fabian18 fabian18 commented Apr 8, 2024 •
edited

Contribution description

The gcoap example should better accept an URI as input instead of a host and path.
This avoids some module dependent port selection and prepares the example to deal with different kinds of coap proxies.
The client should be able to specify any scheme independent of modules as dealing with coaps or maybe even http or quic is the job of the proxy.

Testing procedure

As described in #20454.
To get the /.well-known/core payload from the libcoap server you still nedd to increase CONFIG_GCOAP_PDU_BUF_SIZE.

Client: examples/gcoap

main(): This is RIOT! (Version: 2024.04-devel-619-g920b4-pr/examples/gcoap_input_URI_and_proxy_fixes)
gcoap example app
All up, running the shell now
> ifconfig
ifconfig
Iface  6  HWaddr: 5E:B0:EA:2B:C8:53 
          L2-PDU:1500  MTU:1500  HL:64  Source address length: 6
          Link type: wired
          inet6 addr: fe80::cafe:cafe:cafe:1  scope: link  VAL
          inet6 addr: fe80::5cb0:eaff:fe2b:c853  scope: link  VAL
          inet6 addr: fd00::5cb0:eaff:fe2b:c853  scope: global  VAL
          inet6 group: ff02::1
          inet6 group: ff02::1:fffe:1
          inet6 group: ff02::1:ff2b:c853
          
> coap info
coap info
CoAP server is listening on port 5683
 CLI requests sent: 0
CoAP open requests: 0
Configured Proxy: None
> coap proxy set coap://[fd01::ac8e:ebff:fe62:bf97]
coap proxy set coap://[fd01::ac8e:ebff:fe62:bf97]
> coap info
coap info
CoAP server is listening on port 5683
 CLI requests sent: 0
CoAP open requests: 0
Configured Proxy: coap://[fd01::ac8e:ebff:fe62:bf97]
> coap get -c coap://[fd01::1]/.well-known/core
coap get -c coap://[fd01::1]/.well-known/core
gcoap_cli: sending msg ID 38508, 42 bytes
> gcoap: response Error, code 5.00, empty payload
coap put -c coap://[fd01::1]/.well-known/core
coap put -c coap://[fd01::1]/.well-known/core
gcoap_cli: sending msg ID 38509, 42 bytes
> gcoap: response Error, code 4.05, 18 bytes
Method Not Allowed
coap get -c coap://[fd01::2]/.well-known/core
coap get -c coap://[fd01::2]/.well-known/core
gcoap_cli: sending msg ID 38510, 42 bytes
> gcoap: timeout for msg ID 38510
coap get -c coap://[fd01::2]/.well-known/core
coap get -c coap://[fd01::2]/.well-known/core
gcoap_cli: sending msg ID 38511, 42 bytes
> coap get -c coap://[fd01::2]/.well-known/core
coap get -c coap://[fd01::2]/.well-known/core
gcoap_cli: sending msg ID 38512, 42 bytes
> coap get -c coap://[fd01::2]/.well-known/core
coap get -c coap://[fd01::2]/.well-known/core
gcoap_cli: sending msg ID 38513, 42 bytes
gcoap_cli: msg send failed
> coap get -c coap://[fd01::2]/.well-known/core
coap get -c coap://[fd01::2]/.well-known/core
gcoap_cli: sending msg ID 38514, 42 bytes
gcoap_cli: msg send failed
> coap get -c coap://[fd01::2]/.well-known/core
coap get -c coap://[fd01::2]/.well-known/core
gcoap_cli: sending msg ID 38515, 42 bytes
gcoap_cli: msg send failed
> coap get -c coap://[fd01::2]/.well-known/core
coap get -c coap://[fd01::2]/.well-known/core
gcoap_cli: sending msg ID 38516, 42 bytes
gcoap_cli: msg send failed
> v
v
shell: command not found: v
> coap get -c coap://[fd01::2]/.well-known/core
coap get -c coap://[fd01::2]/.well-known/core
gcoap_cli: sending msg ID 38517, 42 bytes
gcoap_cli: msg send failed
> gcoap: timeout for msg ID 38511
gcoap: timeout for msg ID 38512
coap info
coap info
CoAP server is listening on port 5683
 CLI requests sent: 5
CoAP open requests: 0
Configured Proxy: coap://[fd01::ac8e:ebff:fe62:bf97]

Proxy: examples/gcoap

main(): This is RIOT! (Version: 2024.04-devel-619-g920b4-pr/examples/gcoap_input_URI_and_proxy_fixes)
gcoap example app
All up, running the shell now
> ifconfig
ifconfig
Iface  6  HWaddr: AE:8E:EB:62:BF:97 
          L2-PDU:1500  MTU:1500  HL:64  Source address length: 6
          Link type: wired
          inet6 addr: fe80::cafe:cafe:cafe:1  scope: link  VAL
          inet6 addr: fe80::ac8e:ebff:fe62:bf97  scope: link  VAL
          inet6 addr: fd01::ac8e:ebff:fe62:bf97  scope: global  VAL
          inet6 group: ff02::1
          inet6 group: ff02::1:fffe:1
          inet6 group: ff02::1:ff62:bf97
          
> gcoap_forward_proxy: allocating client context 0x8088fe0
gcoap_forward_proxy: freeing client context 0x8088fe0
gcoap_forward_proxy: allocating client context 0x8088fe0
gcoap_forward_proxy: freeing client context 0x8088fe0
gcoap_forward_proxy: allocating client context 0x8088fe0
gcoap_forward_proxy: freeing client context 0x8088fe0
gcoap_forward_proxy: allocating client context 0x8088fe0
gcoap_forward_proxy: allocating client context 0x8089014
gcoap_forward_proxy: freeing client context 0x8088fe0
gcoap_forward_proxy: freeing client context 0x8089014

Server: coap-server-openssl -A fd01::1

Apr 08 12:38:34.443 DEBG created UDP  endpoint [fd01::1]:5683
Apr 08 12:38:34.443 DEBG created DTLS endpoint [fd01::1]:5684
Apr 08 12:38:34.443 DEBG created TCP  endpoint [fd01::1]:5683
Apr 08 12:38:34.443 DEBG created TLS  endpoint [fd01::1]:5684
Apr 08 12:39:42.323 DEBG ***[fd01::1]:5683 <-> [fd01::ac8e:ebff:fe62:bf97]:5683 (if18) UDP : session 0x5ccc1fde81a0: new incoming session
Apr 08 12:39:42.324 DEBG ***EVENT: COAP_EVENT_SERVER_SESSION_NEW
Apr 08 12:39:42.324 DEBG *  [fd01::1]:5683 <-> [fd01::ac8e:ebff:fe62:bf97]:5683 (if18) UDP : netif: recv   23 bytes
v:1 t:CON c:GET i:966c {25ce} [ Uri-Path:.well-known, Uri-Path:core ]
Apr 08 12:39:42.324 DEBG call custom handler for resource '.well-known/core' (3)
Apr 08 12:39:42.324 DEBG *  [fd01::1]:5683 <-> [fd01::ac8e:ebff:fe62:bf97]:5683 (if18) UDP : netif: sent  160 bytes
v:1 t:ACK c:2.05 i:966c {25ce} [ Content-Format:application/link-format ] :: '</>;title="General Info";ct=0,</time>;if="clock";rt="ticks";title="Internal Clock";ct=0;obs,</async>;ct=0,</example_data>;title="Example Data";ct=0;obs'
Apr 08 12:40:13.253 DEBG *  [fd01::1]:5683 <-> [fd01::ac8e:ebff:fe62:bf97]:5683 (if18) UDP : netif: recv   23 bytes
v:1 t:CON c:PUT i:966d {ebd0} [ Uri-Path:.well-known, Uri-Path:core ]
Apr 08 12:40:13.253 DEBG *  [fd01::1]:5683 <-> [fd01::ac8e:ebff:fe62:bf97]:5683 (if18) UDP : netif: sent   25 bytes
v:1 t:ACK c:4.05 i:966d {ebd0} [ ] :: 'Method Not Allowed'
Apr 08 12:45:13.253 DEBG ***EVENT: COAP_EVENT_SERVER_SESSION_DEL
Apr 08 12:45:13.254 DEBG ***[fd01::1]:5683 <-> [fd01::ac8e:ebff:fe62:bf97]:5683 (if18) UDP : session 0x5ccc1fde81a0: closed

Issues/PRs references

#20454

@github-actions github-actions bot added Area: network Area: Networking Area: CoAP Area: Constrained Application Protocol implementations Area: sys Area: System Area: examples Area: Example Applications labels Apr 8, 2024
@fabian18 fabian18 force-pushed the pr/examples/gcoap_input_URI_and_proxy_fixes branch from 281e7ca to 0d4caf9 Compare April 22, 2024 10:05
@fabian18 fabian18 added CI: ready for build If set, CI server will compile all applications for all available boards for the labeled PR Type: cleanup The issue proposes a clean-up / The PR cleans-up parts of the codebase / documentation Type: enhancement The issue suggests enhanceable parts / The PR enhances parts of the codebase / documentation labels Apr 22, 2024
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riot-ci commented Apr 22, 2024 •
edited

Murdock results

✔️ PASSED

7e97ee8 examples/gcoap: adjust README after taking URI as input

Success Failures Total Runtime
10083 0 10083 14m:16s

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@mariemC mariemC mentioned this pull request Apr 29, 2024
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benpicco
benpicco reviewed Apr 29, 2024
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@benpicco benpicco requested a review from kfessel April 29, 2024 16:08
@Teufelchen1
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Not the authors fault here but RIOT really should change the way it interacts with URIs. That's awful...

Change looks good to me, didn't test it.

@fabian18 fabian18 force-pushed the pr/examples/gcoap_input_URI_and_proxy_fixes branch from 209aa7b to ac9032e Compare May 6, 2024 14:10
Teufelchen1
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LGTM! 🚀

See the minor change request.

Did not test it.

examples/gcoap/client.c Outdated Show resolved Hide resolved
@fabian18 fabian18 force-pushed the pr/examples/gcoap_input_URI_and_proxy_fixes branch from e5b13ba to 7e97ee8 Compare May 14, 2024 06:55
@fabian18 fabian18 requested a review from jia200x as a code owner May 14, 2024 06:55
@github-actions github-actions bot added the Area: doc Area: Documentation label May 14, 2024
@fabian18
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I dropped the static IP configuration in the Makefiles I used for testing and adjusted the README.

@benpicco benpicco added this pull request to the merge queue May 14, 2024
Merged via the queue into RIOT-OS:master with commit 8a4d823 May 14, 2024
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@fabian18
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Thank you

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miri64 commented May 15, 2024

Note to self: #18107 needs rebase and major rework.

@miri64 miri64 mentioned this pull request May 15, 2024
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