Merge 6b61ed8 into 3b14df8

CMakeLists.txt

@@ -213,7 +213,7 @@ mark_as_advanced(UA_ENABLE_PUBSUB_ETH_UADP)
 if(UA_ENABLE_PUBSUB_ETH_UADP)
     if (NOT CMAKE_SYSTEM MATCHES "Linux")
     message(FATAL_ERROR "UADP over Ethernet is only available on Linux.")
-	endif()
+    endif()
 endif()
 
 option(UA_ENABLE_PUBSUB_DELTAFRAMES "Enable sending of delta frames with only the changes" OFF)
@@ -249,6 +249,18 @@ endif()
 option(UA_ENABLE_JSON_ENCODING "Enable Json encoding (EXPERIMENTAL)" OFF)
 mark_as_advanced(UA_ENABLE_JSON_ENCODING)
 
+option(UA_ENABLE_PUBSUB_MQTT "Enable publish/subscribe with mqtt (experimental)" OFF)
+mark_as_advanced(UA_ENABLE_PUBSUB_MQTT)
+if(UA_ENABLE_PUBSUB_MQTT)
+    # Warn if run in Windows
+    if(WIN32)
+        MESSAGE(WARNING "Multithreading is enabled in MQTT plugin. This feature is under development and marked as EXPERIMENTAL")
+    endif()
+    if(NOT UA_ENABLE_PUBSUB)
+    message(FATAL_ERROR "Mqtt cannot be used with disabled PubSub function.")
+    endif()
+endif()
+
 option(UA_ENABLE_STATUSCODE_DESCRIPTIONS "Enable conversion of StatusCode to human-readable error message" ON)
 mark_as_advanced(UA_ENABLE_STATUSCODE_DESCRIPTIONS)
 
@@ -707,6 +719,20 @@ if(UA_ENABLE_PUBSUB)
         list(APPEND default_plugin_headers ${PROJECT_SOURCE_DIR}/plugins/include/open62541/plugin/pubsub_ethernet.h)
         list(APPEND default_plugin_sources ${PROJECT_SOURCE_DIR}/plugins/ua_pubsub_ethernet.c)
     endif()
+    if(UA_ENABLE_PUBSUB_MQTT)
+        if(WIN32)
+            MESSAGE(WARNING "Multithreading is enabled in MQTT plugin. This feature is under development and marked as EXPERIMENTAL")
+        else()
+            list(APPEND default_plugin_headers ${PROJECT_SOURCE_DIR}/deps/mqtt-c/mqtt_pal.h)
+            list(APPEND default_plugin_sources ${PROJECT_SOURCE_DIR}/plugins/mqtt/ua_mqtt_pal.c)
+            list(APPEND default_plugin_headers ${PROJECT_SOURCE_DIR}/deps/mqtt-c/mqtt.h)
+            list(APPEND default_plugin_sources ${PROJECT_SOURCE_DIR}/deps/mqtt-c/mqtt.c)
+            list(APPEND default_plugin_headers ${PROJECT_SOURCE_DIR}/plugins/ua_network_pubsub_mqtt.h)
+            list(APPEND default_plugin_sources ${PROJECT_SOURCE_DIR}/plugins/ua_network_pubsub_mqtt.c)
+            list(APPEND default_plugin_headers ${PROJECT_SOURCE_DIR}/plugins/mqtt/ua_mqtt_adapter.h)
+            list(APPEND default_plugin_sources ${PROJECT_SOURCE_DIR}/plugins/mqtt/ua_mqtt_adapter.c)
+        endif()
+    endif()
 endif()
 
 if(UA_ENABLE_JSON_ENCODING)
@@ -829,8 +855,8 @@ else()
             list(APPEND UA_FILE_NODESETS ${PROJECT_SOURCE_DIR}/tools/schema/Opc.Ua.NodeSet2.PubSubMinimal.xml)
         endif()
     endif()
-	if(UA_ENABLE_DA)
-		list(APPEND UA_FILE_DATATYPES ${PROJECT_SOURCE_DIR}/tools/schema/datatypes_dataaccess.txt)
+    if(UA_ENABLE_DA)
+        list(APPEND UA_FILE_DATATYPES ${PROJECT_SOURCE_DIR}/tools/schema/datatypes_dataaccess.txt)
     endif()
 endif()
 
@@ -1212,8 +1238,8 @@ set(UA_install_tools_files "tools/generate_datatypes.py"
     "tools/generate_nodeid_header.py"
     "tools/generate_statuscode_descriptions.py")
 
-install(DIRECTORY ${UA_install_tools_dirs} 
-    DESTINATION ${open62541_install_tools_dir} 
+install(DIRECTORY ${UA_install_tools_dirs}
+    DESTINATION ${open62541_install_tools_dir}
     USE_SOURCE_PERMISSIONS
     FILES_MATCHING
     PATTERN "*"
@@ -1250,7 +1276,7 @@ if(NOT UA_ENABLE_AMALGAMATION)
     endforeach()
 
 else()
-    # Export amalgamated header open62541.h which is generated due to build of 
+    # Export amalgamated header open62541.h which is generated due to build of
     # open62541-object
     install(FILES ${PROJECT_BINARY_DIR}/open62541.h DESTINATION include)
 endif()