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Change-Id: I6a4444e3c193dae437cd7929f4c39aba7b749efa
diff --git a/extensions/dbg_interactive/dispatch.i b/extensions/dbg_interactive/dispatch.i
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+/*********************************************************************************************************
+* 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 */
+
+/****** DISPATCH *********/
+
+
+%{
+/* call it (will be called from a different thread than the interpreter, when message arrives) */
+static int call_the_python_dispatch_callback(struct msg **msg, struct avp *avp, struct session *session, void * pycb, enum disp_action *action) {
+ PyObject *PyMsg, *PyAvp, *PySess;
+ 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 );
+ PyAvp = SWIG_NewPointerObj((void *) avp, SWIGTYPE_p_avp, 0 );
+ PySess = SWIG_NewPointerObj((void *) session, SWIGTYPE_p_session, 0 );
+
+ /* Call the function */
+ result = PyObject_CallFunction(cb, "(OOO)", PyMsg, PyAvp, PySess);
+
+ /* The result is supposedly composed of: [ ret, *msg, *action ] */
+ if ((result == NULL) || (!PyList_Check(result)) || (PyList_Size(result) != 3)) {
+ fd_log_debug("Error: The Python callback did not return [ ret, msg, action ].");
+ 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;
+ }
+
+ if (!SWIG_IsOK(SWIG_AsVal_int(PyList_GetItem(result, 2), (int *)action))) {
+ fd_log_debug("Error: Cannot convert the third return value to integer.");
+ ret = EINVAL;
+ goto out;
+ }
+
+ TRACE_DEBUG(FULL, "Python callback return: *action = %d", *action);
+out:
+ Py_XDECREF(result);
+
+ SWIG_PYTHON_THREAD_END_BLOCK;
+ return ret;
+}
+%}
+
+struct disp_hdl {
+};
+
+%nodefaultctor disp_hdl;
+%extend disp_hdl {
+ disp_hdl(PyObject * PyCb, enum disp_how how, struct disp_when * when) {
+ struct disp_hdl * hdl = NULL;
+ int ret;
+
+ Py_XINCREF(PyCb);
+
+ ret = fd_disp_register ( call_the_python_dispatch_callback, how, when, PyCb, &hdl );
+ if (ret != 0) {
+ DI_ERROR(ret, NULL, NULL);
+ return NULL;
+ }
+ return hdl;
+ }
+ ~disp_hdl() {
+ struct disp_hdl * hdl = self;
+ PyObject * cb = NULL;
+ int ret = fd_disp_unregister(&hdl, (void *)&cb);
+ if (ret != 0) {
+ DI_ERROR(ret, NULL, NULL);
+ }
+ Py_XDECREF(cb);
+ return;
+ }
+}
+
+
+%extend disp_when {
+ disp_when(struct dict_object * app = NULL, struct dict_object * command = NULL, struct dict_object * avp = NULL, struct dict_object * value = NULL) {
+ struct disp_when * w = (struct disp_when *)calloc(1, sizeof(struct disp_when));
+ if (!w) {
+ DI_ERROR_MALLOC;
+ return NULL;
+ }
+ w->app = app;
+ w->command = command;
+ w->avp = avp;
+ w->value = value;
+ return w;
+ }
+}