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Jon Shallow
ea01661faf
Some of the Zephyr include files need to be C++, not C based. The 'extern "C"' wrapper in include/coap3/coap.h means that all #include are treated as being C. Remove 'extern "C"' wrapper from include/coap3/coap.h and add wrapper to include files after #include and before any function / structure definitions. Add in a C++ build test for CI.
Example of libcoap running in Zephyr
====================================
If the Zephyr project environment is already installed outside of the libcoap
environment, then ZEPHYR_PROJECT need to be set to where it is already installed
(i.e export ZEPHYR_PROJECT=~/zephyrproject ).
If ZEPHYR_PROJECT is not set, then this defaults in this Makefile to the directory
zephyrproject under the examples/zephyr directory.
To build the coap-client example, do
$ make
The executable gets built in ${ZEPHYR_PROJECT}/zephyr/build/zephyr/zephyr.exe
which is then copied to coap-client in the examples/zephyr directory.
./coap-client does a 'GET coaps://libcoap-net' using PSK with logging enabled.
For using the native_sim board using Linux, you may need to do something like
the following (ens32 is the external interface name, your environment may
be different)
$ sudo ${ZEPHYR_PROJECT}/tools/net-tools/net-setup.sh start
$ sudo iptables -t nat -A POSTROUTING -o ens32 -j MASQUERADE
$ sudo sysctl -w net.ipv4.conf.all.forwarding=1
so that ./coap-client is able to route traffic out onto the internet and get
responses.