static void query_ns_cb(void *arg, int status,int timeouts, unsigned char *answer_buf, int answer_len) { PyGILState_STATE gstate = PyGILState_Ensure(); int parse_status; char **ptr; struct hostent *hostent = NULL; PyObject *dns_result, *errorno, *tmp, *result, *callback; callback = (PyObject *)arg; ASSERT(callback); if (status != ARES_SUCCESS) { errorno = PyInt_FromLong((long)status); dns_result = Py_None; Py_INCREF(Py_None); goto callback; } parse_status = ares_parse_ns_reply(answer_buf, answer_len, &hostent); if (parse_status != ARES_SUCCESS) { errorno = PyInt_FromLong((long)parse_status); dns_result = Py_None; Py_INCREF(Py_None); goto callback; } dns_result = PyList_New(0); if (!dns_result) { PyErr_NoMemory(); PyErr_WriteUnraisable(Py_None); errorno = PyInt_FromLong((long)ARES_ENOMEM); dns_result = Py_None; Py_INCREF(Py_None); goto callback; } for (ptr = hostent->h_aliases; *ptr != NULL; ptr++) { tmp = Py_BuildValue("s", *ptr); if (tmp == NULL) { break; } PyList_Append(dns_result, tmp); Py_DECREF(tmp); } errorno = Py_None; Py_INCREF(Py_None); callback: result = PyObject_CallFunctionObjArgs(callback, dns_result, errorno, NULL); if (result == NULL) { PyErr_WriteUnraisable(callback); } Py_XDECREF(result); Py_DECREF(dns_result); Py_DECREF(errorno); if (hostent) { ares_free_hostent(hostent); } Py_DECREF(callback); PyGILState_Release(gstate); }
static void query_ns_cb(void *arg, int status,int timeouts, unsigned char *answer_buf, int answer_len) { PyGILState_STATE gstate = PyGILState_Ensure(); int parse_status; char **ptr; struct hostent *hostent; ares_cb_data_t *data; DNSResolver *self; PyObject *dns_result, *errorno, *tmp, *result, *callback; ASSERT(arg); data = (ares_cb_data_t*)arg; self = data->resolver; callback = data->cb; ASSERT(self); /* Object could go out of scope in the callback, increase refcount to avoid it */ Py_INCREF(self); if (status != ARES_SUCCESS) { errorno = PyInt_FromLong((long)status); dns_result = Py_None; Py_INCREF(Py_None); goto callback; } parse_status = ares_parse_ns_reply(answer_buf, answer_len, &hostent); if (parse_status != ARES_SUCCESS) { errorno = PyInt_FromLong((long)parse_status); dns_result = Py_None; Py_INCREF(Py_None); goto callback; } dns_result = PyList_New(0); if (!dns_result) { PyErr_NoMemory(); PyErr_WriteUnraisable(Py_None); errorno = PyInt_FromLong((long)ARES_ENOMEM); dns_result = Py_None; Py_INCREF(Py_None); goto callback; } for (ptr = hostent->h_aliases; *ptr != NULL; ptr++) { tmp = PyString_FromString(*ptr); if (tmp == NULL) { break; } PyList_Append(dns_result, tmp); Py_DECREF(tmp); } ares_free_hostent(hostent); errorno = Py_None; Py_INCREF(Py_None); callback: result = PyObject_CallFunctionObjArgs(callback, self, dns_result, errorno, NULL); if (result == NULL) { PyErr_WriteUnraisable(callback); } Py_XDECREF(result); Py_DECREF(callback); PyMem_Free(data); Py_DECREF(self); PyGILState_Release(gstate); }