Mercurial > hg > freeDiameter
view extensions/dbg_interactive/dispatch.i @ 639:95a784729cac
Added new opaque pointer to fd_sess_handler_create and fd_disp_register for usability. Bumped API version number.
author | Sebastien Decugis <sdecugis@nict.go.jp> |
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date | Mon, 20 Dec 2010 13:07:06 +0900 |
parents | 9448cba86673 |
children | 4a9f08d6b6ba |
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/********************************************************************************************************* * Software License Agreement (BSD License) * * Author: Sebastien Decugis <sdecugis@nict.go.jp> * * * * Copyright (c) 2010, 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!\n"); 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 = PyEval_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 ].\n"); 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.\n"); ret = EINVAL; goto out; } if (ret) { TRACE_DEBUG(INFO, "The Python callback returned the error code %d (%s)\n", 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.\n"); 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.\n"); ret = EINVAL; goto out; } TRACE_DEBUG(FULL, "Python callback return: *action = %d\n", *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; } }