Mercurial > hg > freeDiameter
view extensions/dbg_interactive/peers.i @ 1127:1af09cc156d6
Updated copyright information
author | Sebastien Decugis <sdecugis@freediameter.net> |
---|---|
date | Wed, 15 May 2013 10:39:25 +0800 |
parents | 7b5c46505e09 |
children |
line wrap: on
line source
/********************************************************************************************************* * 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 */ /****** PEERS *********/ %{ static void fd_add_cb(struct peer_info *peer, void *data) { /* Callback called when the peer connection completes (or fails) */ PyObject *PyPeer, *PyFunc; PyObject *result = NULL; if (!data) { TRACE_DEBUG(INFO, "Internal error: missing callback"); return; } PyFunc = data; SWIG_PYTHON_THREAD_BEGIN_BLOCK; /* Convert the argument */ PyPeer = SWIG_NewPointerObj((void *)peer, SWIGTYPE_p_peer_info, 0 ); /* Call the function */ result = PyObject_CallFunction(PyFunc, "(O)", PyPeer); Py_XDECREF(result); Py_XDECREF(PyFunc); SWIG_PYTHON_THREAD_END_BLOCK; return; } %} %extend peer_info { peer_info () { struct peer_info *np = (struct peer_info *)calloc(1, sizeof(struct peer_info)); if (!np) { DI_ERROR_MALLOC; return NULL; } fd_list_init(&np->pi_endpoints, NULL); return np; } /* Wrapper around fd_peer_add to allow calling the python callback */ %delobject add; void add(PyObject * PyCb=NULL) { int ret; if (PyCb) { Py_XINCREF(PyCb); ret = fd_peer_add ( $self, "dbg_interactive", fd_add_cb, PyCb ); } else { ret = fd_peer_add ( $self, "dbg_interactive", NULL, NULL ); } if (ret != 0) { DI_ERROR(ret, NULL, NULL); } } } %inline %{ static struct peer_hdr * peer_search(char *STRING, size_t LENGTH) { struct peer_hdr *r = NULL; int ret = fd_peer_getbyid( STRING, LENGTH, 0, &r ); if (ret) { DI_ERROR(ret, NULL, NULL); return NULL; } return r; } %} %{ static PyObject * validate_cb_py = NULL; static PyObject * validate_cb2_py = NULL; /* C wrapper that calls validate_cb2_py */ int call_the_python_validate_callback2(struct peer_info * info) { PyObject *PyInfo; PyObject *result = NULL; int ret = 0; if (!validate_cb2_py) { fd_log_debug("Internal error: missing the callback2!"); return ENOTSUP; } SWIG_PYTHON_THREAD_BEGIN_BLOCK; /* Convert the arguments */ PyInfo = SWIG_NewPointerObj((void *)info, SWIGTYPE_p_peer_info, 0 ); /* Call the function */ result = PyObject_CallFunction(validate_cb2_py, "(O)", PyInfo); /* The result is an integer */ if ((result == NULL) || !SWIG_IsOK(SWIG_AsVal_int(result, &ret))) { fd_log_debug("Error: The Python callback did not return an integer."); ret = EINVAL; goto out; } out: Py_XDECREF(result); SWIG_PYTHON_THREAD_END_BLOCK; return ret; } /* C wrapper that calls validate_cb_py */ int call_the_python_validate_callback(struct peer_info * info, int * auth, int (**cb2)(struct peer_info *)) { PyObject *PyInfo; PyObject *result = NULL; int ret = 0; if (!validate_cb_py) { fd_log_debug("Internal error: missing the callback!"); return ENOTSUP; } SWIG_PYTHON_THREAD_BEGIN_BLOCK; /* Convert the arguments */ PyInfo = SWIG_NewPointerObj((void *)info, SWIGTYPE_p_peer_info, 0 ); /* Call the function */ result = PyObject_CallFunction(validate_cb_py, "(O)", PyInfo); /* The result is supposedly -1, 1, or a cb2 */ if (result == NULL) { fd_log_debug("Error: The Python callback did not return a value."); ret = EINVAL; goto out; } if (PyCallable_Check(result)) { if (cb2) { if (validate_cb2_py && (validate_cb2_py != result)) { fd_log_debug("Only 1 register callback2 is supported currently"); ret = ENOTSUP; goto out; } validate_cb2_py = result; *cb2 = call_the_python_validate_callback2; *auth = 1; goto out_nodec; } else { *auth = 1; goto out; /* ignore the callback since it won't be used */ } } else { /* In this case, the return value must be -1, 0, or 1 */ if (!SWIG_IsOK(SWIG_AsVal_int(result, auth))) { fd_log_debug("Error: Cannot convert the return value to integer."); ret = EINVAL; goto out; } } out: Py_XDECREF(result); out_nodec: SWIG_PYTHON_THREAD_END_BLOCK; TRACE_DEBUG(FULL, "ret=%d, *auth=%d, cb2=%p, *cb2=%p", ret, *auth, cb2, cb2 ? *cb2 : NULL); return ret; } %} %inline %{ static void peer_validate_register(PyObject * PyCb) { int ret ; if (!PyCb) { DI_ERROR(EINVAL, NULL, "The callback must be provided"); return; } if (validate_cb_py) { if (PyCb != validate_cb_py) { DI_ERROR(ENOTSUP, PyExc_RuntimeError, "Only 1 register callback is supported currently"); return; } } else { validate_cb_py = PyCb; Py_XINCREF(PyCb); } ret = fd_peer_validate_register ( call_the_python_validate_callback ); if (ret) { DI_ERROR(ret, NULL, NULL); } } %}