Initial commit

Change-Id: I6a4444e3c193dae437cd7929f4c39aba7b749efa
diff --git a/extensions/dbg_interactive/CMakeLists.txt b/extensions/dbg_interactive/CMakeLists.txt
new file mode 100644
index 0000000..4bb3eb0
--- /dev/null
+++ b/extensions/dbg_interactive/CMakeLists.txt
@@ -0,0 +1,77 @@
+# The dbg_interactive extension
+PROJECT("Interactive debug facility based on SWIG" C)
+
+
+# This module is using Python
+SET(Python_ADDITIONAL_VERSIONS 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0)
+FIND_PACKAGE(PythonLibs)
+INCLUDE_DIRECTORIES(${PYTHON_INCLUDE_PATH})
+
+##### 
+# Wrapper to fD in python
+FIND_PACKAGE(SWIG REQUIRED)
+INCLUDE(${SWIG_USE_FILE})
+SET(CMAKE_SWIG_FLAGS -castmode -threads)
+
+# Add the dependencies for re-swig-ing the file
+SET(SWIG_MODULE_fDpy_EXTRA_DEPS 
+	${CMAKE_BINARY_DIR}/include/freeDiameter/freeDiameter-host.h 
+	${CMAKE_SOURCE_DIR}/include/freeDiameter/libfdcore.h 
+	${CMAKE_SOURCE_DIR}/include/freeDiameter/libfdproto.h 
+	lists.i
+	dictionary.i
+	sessions.i
+	routing.i
+	messages.i
+	dispatch.i
+	queues.i
+	peers.i
+	events.i
+	endpoints.i
+	posix.i
+	hooks.i
+	)
+SET_SOURCE_FILES_PROPERTIES(dbg_interactive.i PROPERTIES SWIG_MODULE_NAME fDpy)
+
+# The following code is inspired from SWIG_ADD_MODULE, but we do only what we need
+SWIG_MODULE_INITIALIZE(fDpy python)
+SWIG_ADD_SOURCE_TO_MODULE(fDpy swig_generated_sources "dbg_interactive.i")
+	
+# In order to avoid shipping the python file that contains the shadow class definitions, 
+# we transform this file in a C-style string and compile it within our software.
+# We use for this purpose xxd tool provided with vim package.
+FIND_PROGRAM(XXD_EXECUTABLE xxd)
+# To avoid the dependency, simply compile it if not provided
+if (NOT XXD_EXECUTABLE) 
+   SET_SOURCE_FILES_PROPERTIES(helper/xxd.c PROPERTIES COMPILE_DEFINITIONS UNIX)
+   ADD_EXECUTABLE(xxd helper/xxd.c)
+   SET(XXD_EXECUTABLE xxd)
+endif (NOT XXD_EXECUTABLE) 
+# And now the magic command
+ADD_CUSTOM_COMMAND(
+    OUTPUT "fDpy-inc.c"
+    COMMAND "${XXD_EXECUTABLE}"
+    ARGS "-i"
+    "fDpy.py"
+    "fDpy-inc.c"
+    MAIN_DEPENDENCY "${swig_extra_generated_files}"
+    COMMENT "Shadow definitions") 
+
+# Ensure that the generated source files are removed
+GET_DIRECTORY_PROPERTY(swig_extra_clean_files ADDITIONAL_MAKE_CLEAN_FILES)
+SET_DIRECTORY_PROPERTIES(PROPERTIES
+        ADDITIONAL_MAKE_CLEAN_FILES "${swig_extra_clean_files};${swig_generated_sources};fDpy-inc.c")
+
+
+#####
+# Extension that embeds the python interpreter
+FD_ADD_EXTENSION(dbg_interactive dbg_interactive.c ${swig_generated_sources} fDpy-inc.c)
+TARGET_LINK_LIBRARIES(dbg_interactive ${PYTHON_LIBRARIES})
+
+
+####
+## INSTALL section ##
+
+INSTALL(TARGETS dbg_interactive
+	LIBRARY DESTINATION ${INSTALL_EXTENSIONS_SUFFIX}
+	COMPONENT freeDiameter-debug-tools)