feat: add OpenWRT plugin with umink ubus support

.github/workflows/on_push.yml

@@ -40,10 +40,22 @@ jobs:
           libcmocka-dev \
           libasan5 \
           iproute2 \
+          cmake \
           libxml2-utils &&
           sudo ln -s /usr/lib/x86_64-linux-gnu/pkgconfig/lua-5.3.pc \
           /usr/lib/x86_64-linux-gnu/pkgconfig/lua.pc &&
           pip3 install 'gcovr == 6'
+      - name: libubox
+        run: |
+          git clone https://github.com/openwrt/libubox.git
+          cd libubox && mkdir build && cd build
+          cmake -DBUILD_LUA=off .. && make install
+      - name: ubus
+        run: |
+          git clone https://github.com/openwrt/ubus.git
+          cd ubus && mkdir ubus && cd ubus
+          cmake -DBUILD_LUA=off ..
+          make install
       - name: mosquitto
         run: |
           mosquitto_passwd -c -b /tmp/pwdfile user password
@@ -61,10 +73,16 @@ jobs:
           export ASAN_OPTIONS=verify_asan_link_order=0
           ./autogen.sh
           ./configure --enable-mqtt \
-                      --enable-mosquitto-auth
+                      --enable-mosquitto-auth \
+                      --enable-openwrt
+          build-wrapper-linux-x86-64 --out-dir ${{ env.BUILD_WRAPPER_OUT_DIR  }} \
+          make clean all
+      - name: run unit tests
+        run: |
           rm -f /tmp/tmp_file_uuid
           bash ./test/test_bin_upload.sh &
-          build-wrapper-linux-x86-64 --out-dir ${{ env.BUILD_WRAPPER_OUT_DIR  }} make clean all check
+          sudo LD_LIBRARY_PATH=/usr/local/lib /usr/local/sbin/ubusd &
+          sudo LD_LIBRARY_PATH=/usr/local/lib make check
       - name: generate coverage data
         run: |
           mkdir coverage-dir

Makefile.am

@@ -131,7 +131,9 @@ if ENABLE_MQTT
 check_PROGRAMS += check_mqtt
 endif
 
-
+if ENABLE_OPENWRT
+check_PROGRAMS += check_openwrt
+endif
 
 check_LTLIBRARIES = check_umplg_plugin_01.la \
                     check_umplg_plugin_02.la
@@ -146,6 +148,10 @@ if ENABLE_MQTT
 TESTS += check_mqtt
 endif
 
+if ENABLE_OPENWRT
+TESTS += check_openwrt
+endif
+
 # umlua tester
 check_umlua_SOURCES = test/check_umlua.c \
                       src/utils/umdb.c \
@@ -261,6 +267,33 @@ check_mqtt_LDADD = -lcmocka \
                    ${SQLITE_LIBS}
 endif
 
+# openwrt tester
+if ENABLE_OPENWRT
+check_openwrt_SOURCES = test/check_openwrt.c \
+                        src/umd/umdaemon.c \
+                        src/utils/umcounters.c \
+                        src/services/sysagent/umlua.c \
+                        src/services/sysagent/umlua_m.c \
+                        src/utils/umdb.c \
+                        src/utils/umink_plugin.c
+check_openwrt_CFLAGS = ${COMMON_INCLUDES} \
+                       ${JSON_C_CFLAGS} \
+                      -DLUA_COMPAT_ALL \
+                      -DLUA_COMPAT_5_1 \
+                      -DLUA_COMPAT_5_2 \
+                      -DLUA_COMPAT_5_3 \
+                      ${LUA_CFLAGS} \
+                      ${ASAN_FLAGS}
+check_openwrt_LDFLAGS = -export-dynamic
+check_openwrt_LDADD = -lcmocka \
+                      ${JSON_C_LIBS} \
+                      ${LUA_LIBS} \
+                      ${SQLITE_LIBS} \
+                      ${UBUS_LIBS} \
+                      ${UBOX_LIBS} \
+                      ${BLOBMSG_JSON_LIBS}
+endif
+
 # cleanup rule
 distclean-local: distclean-ax-prefix-umink-pkg-config-h
 distclean-ax-prefix-umink-pkg-config-h:
@@ -276,3 +309,8 @@ endif
 if ENABLE_MOSQUITTO_AUTH
 include src/services/sysagent/plugins/mosquitto_auth/Makefile.am
 endif
+
+# OpenWRT support plugin
+if ENABLE_OPENWRT
+include src/services/sysagent/plugins/openwrt/Makefile.am
+endif

configure.ac

@@ -154,6 +154,31 @@ if test "x$enable_coap" != "xno"; then
     PKG_CHECK_MODULES([COAP], [libcoap-3], [], [AC_MSG_ERROR([libcoap-3 not found!])])
 fi
 
+# /***********/
+# /* OpenWRT */
+# /***********/
+AC_ARG_ENABLE(openwrt,
+              [AS_HELP_STRING([--enable-openwrt], [Enable OpenWRT support [default=no]])],,
+              [enable_openwrt=no])
+AM_CONDITIONAL(ENABLE_OPENWRT, test "x$enable_openwrt" = "xyes")
+if test "x$enable_openwrt" != "xno"; then
+    AC_DEFINE([ENABLE_OPENWRT], [1], [Enable OpenWRT support])
+    AC_CHECK_LIB([ubus],
+                 [ubus_connect],
+                 [AC_SUBST([UBUS_LIBS], ["-lubus"])],
+                 [AC_MSG_ERROR([libubus not found!])])
+
+    AC_CHECK_LIB([ubox],
+                 [blob_buf_init],
+                 [AC_SUBST([UBOX_LIBS], ["-lubox"])],
+                 [AC_MSG_ERROR([libubox not found!])])
+
+    AC_CHECK_LIB([blobmsg_json],
+                 [blobmsg_add_object],
+                 [AC_SUBST([BLOBMSG_JSON_LIBS], ["-lblobmsg_json"])],
+                 [AC_MSG_ERROR([libblobmsg_json not found!])])
+fi
+
 # /****************************/
 # /* Checks for header files. */
 # /****************************/

src/services/sysagent/plugins/openwrt/Makefile.am

@@ -0,0 +1,32 @@
+pkglib_LTLIBRARIES += plg_sysagent_openwrt.la
+plg_sysagent_openwrt_la_SOURCES = %reldir%/plg_sysagent_openwrt.c
+plg_sysagent_openwrt_la_CFLAGS = ${COMMON_INCLUDES} \
+                                 ${JSON_C_CFLAGS} \
+                                 -Isrc/services/sysagent
+plg_sysagent_openwrt_la_LDFLAGS = -version-info 1:0:0 \
+                                  -shared \
+                                  -module \
+                                  -export-dynamic
+plg_sysagent_openwrt_la_LIBADD = ${JSON_C_LIBS} \
+                                 ${LUA_LIBS} \
+                                 ${UBUS_LIBS} \
+                                 ${BLOBMSG_JSON_LIBS}
+
+check_LTLIBRARIES += check_plg_sysagent_openwrt.la
+check_plg_sysagent_openwrt_la_SOURCES = %reldir%/plg_sysagent_openwrt.c
+check_plg_sysagent_openwrt_la_CFLAGS = ${COMMON_INCLUDES} \
+                                       ${ASAN_FLAGS} \
+                                       ${JSON_C_CFLAGS} \
+                                       -Isrc/services/sysagent
+check_plg_sysagent_openwrt_la_LDFLAGS = -version-info 1:0:0 \
+                                        -shared \
+                                        -module \
+                                        -export-dynamic \
+                                        -rpath /tmp
+check_plg_sysagent_openwrt_la_LIBADD = ${JSON_C_LIBS} \
+                                       ${LUA_LIBS} \
+                                       ${UBUS_LIBS} \
+                                       ${BLOBMSG_JSON_LIBS}
+
+
+