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kamailio/modules/app_python/python_exec.c

125 lines
3.4 KiB

/*
* Copyright (C) 2009 Sippy Software, Inc., http://www.sippysoft.com
*
* This file is part of Kamailio, a free SIP server.
*
* Kamailio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* Kamailio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <Python.h>
#include "../../mem/mem.h"
#include "../../data_lump.h"
#include "../../parser/parse_param.h"
#include "../../parser/msg_parser.h"
#include "../../dprint.h"
#include "../../action.h"
#include "../../config.h"
#include "../../parser/parse_uri.h"
#include "python_exec.h"
#include "python_mod.h"
#include "python_msgobj.h"
#include "python_support.h"
int
python_exec1(struct sip_msg* _msg, char* method_name, char *foobar)
{
return python_exec2(_msg, method_name, NULL);
}
int
python_exec2(struct sip_msg *_msg, char *method_name, char *mystr)
{
PyObject *pFunc, *pArgs, *pValue, *pResult;
PyObject *msg;
int rval;
PyEval_AcquireLock();
PyThreadState_Swap(myThreadState);
pFunc = PyObject_GetAttrString(handler_obj, method_name);
if (pFunc == NULL || !PyCallable_Check(pFunc)) {
LM_ERR("%s not found or is not callable\n", method_name);
Py_XDECREF(pFunc);
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
return -1;
}
msg = newmsgobject(_msg);
if (msg == NULL) {
LM_ERR("can't create MSGtype instance\n");
Py_DECREF(pFunc);
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
return -1;
}
pArgs = PyTuple_New(mystr == NULL ? 1 : 2);
if (pArgs == NULL) {
LM_ERR("PyTuple_New() has failed\n");
msg_invalidate(msg);
Py_DECREF(msg);
Py_DECREF(pFunc);
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
return -1;
}
PyTuple_SetItem(pArgs, 0, msg);
/* Tuple steals msg */
if (mystr != NULL) {
pValue = PyString_FromString(mystr);
if (pValue == NULL) {
LM_ERR("PyString_FromString(%s) has failed\n", mystr);
msg_invalidate(msg);
Py_DECREF(pArgs);
Py_DECREF(pFunc);
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
return -1;
}
PyTuple_SetItem(pArgs, 1, pValue);
/* Tuple steals pValue */
}
pResult = PyObject_CallObject(pFunc, pArgs);
msg_invalidate(msg);
Py_DECREF(pArgs);
Py_DECREF(pFunc);
if (PyErr_Occurred()) {
Py_XDECREF(pResult);
python_handle_exception("python_exec2");
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
return -1;
}
if (pResult == NULL) {
LM_ERR("PyObject_CallObject() returned NULL\n");
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
return -1;
}
rval = PyInt_AsLong(pResult);
Py_DECREF(pResult);
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
return rval;
}