diff --git a/extensions/dbg_interactive/routing.i b/extensions/dbg_interactive/routing.i
new file mode 100644
index 0000000..324674f
--- /dev/null
+++ b/extensions/dbg_interactive/routing.i
@@ -0,0 +1,251 @@
+/*********************************************************************************************************
+* Software License Agreement (BSD License)                                                               *
+* Author: Sebastien Decugis <sdecugis@freediameter.net>							 *
+*													 *
+* Copyright (c) 2013, WIDE Project and NICT								 *
+* All rights reserved.											 *
+* 													 *
+* Redistribution and use of this software in source and binary forms, with or without modification, are  *
+* permitted provided that the following conditions are met:						 *
+* 													 *
+* * Redistributions of source code must retain the above 						 *
+*   copyright notice, this list of conditions and the 							 *
+*   following disclaimer.										 *
+*    													 *
+* * Redistributions in binary form must reproduce the above 						 *
+*   copyright notice, this list of conditions and the 							 *
+*   following disclaimer in the documentation and/or other						 *
+*   materials provided with the distribution.								 *
+* 													 *
+* * Neither the name of the WIDE Project or NICT nor the 						 *
+*   names of its contributors may be used to endorse or 						 *
+*   promote products derived from this software without 						 *
+*   specific prior written permission of WIDE Project and 						 *
+*   NICT.												 *
+* 													 *
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
+* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
+* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 	 *
+* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 	 *
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
+* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF   *
+* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.								 *
+*********************************************************************************************************/
+
+/* Do not include this directly, use dbg_interactive.i instead */
+
+/****** ROUTING *********/
+
+struct rt_data {
+};
+
+%extend rt_data {
+	rt_data() {
+		struct rt_data * r = NULL;
+		int ret = fd_rtd_init(&r);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		return r;
+	}
+	~rt_data() {
+		struct rt_data *r = self;
+		fd_rtd_free(&r);
+	}
+	%apply (char *STRING, int LENGTH) { (char * peerid, size_t peeridlen) };
+	%apply (char *STRING, int LENGTH) { (char * realm, size_t realmlen) };
+	void add(char * peerid, size_t peeridlen, char * realm, size_t realmlen) {
+		int ret = fd_rtd_candidate_add($self, peerid, peeridlen, realm, realmlen);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+	}
+	void remove(char * STRING, size_t LENGTH) {
+		fd_rtd_candidate_del($self, (os0_t)STRING, LENGTH);
+	}
+	int error(char * peerid, size_t peeridlen, char * STRING, size_t LENGTH, uint32_t rcode) {
+		int n;
+		int ret =  fd_rtd_error_add($self, peerid, peeridlen, (os0_t)STRING, LENGTH, rcode, NULL, &n);
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+		}
+		return n;
+	}
+	struct fd_list * extract(int score = 0) {
+		struct fd_list * li = NULL;
+		fd_rtd_candidate_extract($self, &li, score);
+		return li;
+	}
+}
+
+
+
+%extend rtd_candidate {
+	void dump() {
+		fd_log_debug("candidate %p", $self);
+		fd_log_debug("  id : %s",  $self->diamid);
+		fd_log_debug("  rlm: %s", $self->realm);
+		fd_log_debug("  sc : %d", $self->score);
+	}
+}
+
+
+%{
+/* call it (will be called from a different thread than the interpreter, when message arrives) */
+static int call_the_python_rt_fwd_callback(void * pycb, struct msg **msg) {
+	PyObject *PyMsg;
+	PyObject *cb, *result = NULL;
+	int ret = 0;
+	
+	if (!pycb) {
+		fd_log_debug("Internal error: missing the callback!");
+		return ENOTSUP;
+	}
+	cb = pycb;
+	
+	SWIG_PYTHON_THREAD_BEGIN_BLOCK;
+	/* Convert the arguments */
+	PyMsg  = SWIG_NewPointerObj((void *)*msg,     SWIGTYPE_p_msg,     0 );
+	
+	/* Call the function */
+	result = PyObject_CallFunction(cb, "(O)", PyMsg);
+	
+	/* The result is supposedly composed of: [ ret, *msg ] */
+	if ((result == NULL) || (!PyList_Check(result)) || (PyList_Size(result) != 2)) {
+		fd_log_debug("Error: The Python callback did not return [ ret, msg ].");
+		ret = EINVAL;
+		goto out;
+	}
+	
+	/* Convert the return values */
+	if (!SWIG_IsOK(SWIG_AsVal_int(PyList_GetItem(result, 0), &ret))) {
+		fd_log_debug("Error: Cannot convert the first return value to integer.");
+		ret = EINVAL;
+		goto out;
+	}
+	if (ret) {
+		TRACE_DEBUG(INFO, "The Python callback returned the error code %d (%s)", ret, strerror(ret));
+		goto out;
+	}
+	
+	if (!SWIG_IsOK(SWIG_ConvertPtr(PyList_GetItem(result, 1), (void *)msg, SWIGTYPE_p_msg, SWIG_POINTER_DISOWN))) {
+		fd_log_debug("Error: Cannot convert the second return value to message.");
+		ret = EINVAL;
+		goto out;
+	}
+	
+out:	
+	Py_XDECREF(result);
+	
+	SWIG_PYTHON_THREAD_END_BLOCK;
+	return ret;
+}
+%}
+
+
+struct fd_rt_fwd_hdl {
+};
+
+%extend fd_rt_fwd_hdl{
+	fd_rt_fwd_hdl(PyObject * PyCb, enum fd_rt_fwd_dir dir) {
+		struct fd_rt_fwd_hdl * r = NULL;
+		int ret;
+		
+		Py_XINCREF(PyCb);
+
+		ret = fd_rt_fwd_register( call_the_python_rt_fwd_callback, PyCb, dir, &r );
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		return r;
+	}
+	
+	~fd_rt_fwd_hdl() {
+		PyObject * func;
+		int ret = fd_rt_fwd_unregister ( $self, (void *) &func );
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return;
+		}
+		Py_XDECREF(func);
+		return;
+	}
+}
+
+
+%{
+/* call it (will be called from a different thread than the interpreter, when message arrives) */
+static int call_the_python_rt_out_callback(void * pycb, struct msg **msg, struct fd_list * candidates) {
+	PyObject *PyMsg, *PyCands;
+	PyObject *cb, *result = NULL;
+	int ret = 0;
+	
+	if (!pycb) {
+		fd_log_debug("Internal error: missing the callback!");
+		return ENOTSUP;
+	}
+	cb = pycb;
+	
+	SWIG_PYTHON_THREAD_BEGIN_BLOCK;
+	/* Convert the arguments */
+	PyMsg   = SWIG_NewPointerObj((void *)*msg,       SWIGTYPE_p_msg,     0 );
+	PyCands = SWIG_NewPointerObj((void *)candidates, SWIGTYPE_p_fd_list, 0 );
+	
+	/* Call the function */
+	result = PyObject_CallFunction(cb, "(OO)", PyMsg, PyCands);
+	
+	/* The result is supposedly composed of: [ ret, *msg ] */
+	if (result == NULL){
+		fd_log_debug("Error: The Python callback raised an exception.");
+		ret = EINVAL;
+		goto out;
+	}
+	
+	/* Convert the return values */
+	if (!SWIG_IsOK(SWIG_AsVal_int(result, &ret))) {
+		fd_log_debug("Error: Cannot convert the return value to integer.");
+		ret = EINVAL;
+		goto out;
+	}
+out:	
+	Py_XDECREF(result);
+	
+	SWIG_PYTHON_THREAD_END_BLOCK;
+	return ret;
+}
+%}
+
+
+struct fd_rt_out_hdl {
+};
+
+%extend fd_rt_out_hdl{
+	fd_rt_out_hdl(PyObject * PyCb, int priority = 0) {
+		struct fd_rt_out_hdl * r = NULL;
+		int ret;
+		
+		Py_XINCREF(PyCb);
+
+		ret = fd_rt_out_register( call_the_python_rt_out_callback, PyCb, priority, &r );
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return NULL;
+		}
+		return r;
+	}
+	
+	~fd_rt_out_hdl() {
+		PyObject * func;
+		int ret = fd_rt_out_unregister ( $self, (void *) &func );
+		if (ret != 0) {
+			DI_ERROR(ret, NULL, NULL);
+			return;
+		}
+		Py_XDECREF(func);
+		return;
+	}
+}
+