static bool each_result(const as_val * val, void * udata)
{
if ( !val ) {
return false;
}
PyObject * py_results = NULL;
py_results = (PyObject *) udata;
PyObject * py_result = NULL;
as_error err;
PyGILState_STATE gstate;
gstate = PyGILState_Ensure();
val_to_pyobject(&err, val, &py_result);
if ( py_result ) {
PyList_Append(py_results, py_result);
Py_DECREF(py_result);
}
PyGILState_Release(gstate);
return true;
}
static bool each_result(const as_val * val, void * udata)
{
bool rval = true;
if ( !val ) {
return false;
}
// Extract callback user-data
LocalData * data = (LocalData *) udata;
as_error * err = &data->error;
PyObject * py_callback = data->callback;
// Python Function Arguments and Result Value
PyObject * py_arglist = NULL;
PyObject * py_result = NULL;
PyObject * py_return = NULL;
// Lock Python State
PyGILState_STATE gstate;
gstate = PyGILState_Ensure();
// Convert as_val to a Python Object
val_to_pyobject(err, val, &py_result);
// Build Python Function Arguments
py_arglist = PyTuple_New(1);
PyTuple_SetItem(py_arglist, 0, py_result);
// Invoke Python Callback
py_return = PyEval_CallObject(py_callback, py_arglist);
// Release Python Function Arguments
Py_DECREF(py_arglist);
// handle return value
if ( py_return == NULL ) {
// an exception was raised, handle it (someday)
// for now, we bail from the loop
as_error_update(err, AEROSPIKE_ERR_PARAM, "Callback function contains an error");
rval = true;
}
else if ( PyBool_Check(py_return) ) {
if ( Py_False == py_return ) {
rval = false;
}
else {
rval = true;
}
Py_DECREF(py_return);
}
else {
rval = true;
Py_DECREF(py_return);
}
// Release Python State
PyGILState_Release(gstate);
return rval;
}
static bool each_result(const as_val * val, void * udata)
{
if ( !val ) {
return false;
}
// Extract callback user-data
LocalData * data = (LocalData *) udata;
as_error * err = &data->error;
PyObject * py_callback = data->callback;
// Python Function Arguments and Result Value
PyObject * py_arglist = NULL;
PyObject * py_result = NULL;
// Lock Python State
PyGILState_STATE gstate;
gstate = PyGILState_Ensure();
// Convert as_val to a Python Object
val_to_pyobject(err, val, &py_result);
// Build Python Function Arguments
py_arglist = PyTuple_New(1);
PyTuple_SetItem(py_arglist, 0, py_result);
// Invoke Python Callback
PyEval_CallObject(py_callback, py_arglist);
// Release Python Function Arguments
Py_DECREF(py_arglist);
// TODO: handle return value
// Release Python State
PyGILState_Release(gstate);
return true;
}
/**
*******************************************************************************************************
* This function applies a registered udf module on a particular record.
*
* @param self AerospikeClient object
* @param py_key The key under which to store the record.
* @param py_module The module name.
* @param py_function The UDF function to be applied on a record.
* @param py_arglist The arguments to the UDF function
* @param py_policy The optional policy parameters
*
* Returns the result of UDF function.
*******************************************************************************************************
*/
PyObject * AerospikeClient_Apply_Invoke(
AerospikeClient * self,
PyObject * py_key, PyObject * py_module, PyObject * py_function,
PyObject * py_arglist, PyObject * py_policy)
{
// Python Return Value
PyObject * py_result = NULL;
// Aerospike Client Arguments
as_error err;
as_policy_apply apply_policy;
as_policy_apply * apply_policy_p = NULL;
as_key key;
char * module = NULL;
char * function = NULL;
as_list * arglist = NULL;
as_val * result = NULL;
PyObject * py_umodule = NULL;
PyObject * py_ufunction = NULL;
// Initialisation flags
bool key_initialised = false;
// Initialize error
as_error_init(&err);
if( !PyList_Check(py_arglist) ) {
PyErr_SetString(PyExc_TypeError, "expected UDF method arguments in a 'list'");
return NULL;
}
if (!self || !self->as) {
as_error_update(&err, AEROSPIKE_ERR_PARAM, "Invalid aerospike object");
goto CLEANUP;
}
if (!self->is_conn_16) {
as_error_update(&err, AEROSPIKE_ERR_CLUSTER, "No connection to aerospike cluster");
goto CLEANUP;
}
// Convert python key object to as_key
pyobject_to_key(&err, py_key, &key);
if ( err.code != AEROSPIKE_OK ) {
goto CLEANUP;
}
// Key is initialiased successfully
key_initialised = true;
// Convert python list to as_list
pyobject_to_list(self, &err, py_arglist, &arglist, NULL, -1);
if ( err.code != AEROSPIKE_OK ) {
goto CLEANUP;
}
// Convert python policy object to as_policy_apply
pyobject_to_policy_apply(&err, py_policy, &apply_policy, &apply_policy_p,
&self->as->config.policies.apply);
if ( err.code != AEROSPIKE_OK ) {
goto CLEANUP;
}
if ( PyUnicode_Check(py_module) ) {
py_umodule = PyUnicode_AsUTF8String(py_module);
module = PyStr_AsString(py_umodule);
}
else if ( PyStr_Check(py_module) ) {
module = PyStr_AsString(py_module);
}
else {
as_error_update(&err, AEROSPIKE_ERR_CLIENT, "udf module argument must be a string or unicode string");
goto CLEANUP;
}
if ( PyUnicode_Check(py_function) ) {
py_ufunction = PyUnicode_AsUTF8String(py_function);
function = PyStr_AsString(py_ufunction);
}
else if ( PyStr_Check(py_function) ) {
function = PyStr_AsString(py_function);
}
else {
as_error_update(&err, AEROSPIKE_ERR_CLIENT, "function name must be a string or unicode string");
goto CLEANUP;
}
// Invoke operation
aerospike_key_apply(self->as, &err, apply_policy_p, &key, module, function, arglist, &result);
if ( err.code == AEROSPIKE_OK ) {
val_to_pyobject(&err, result, &py_result);
} else {
as_error_update(&err, err.code, NULL);
}
CLEANUP:
if (py_umodule) {
Py_DECREF(py_umodule);
}
if (py_ufunction) {
Py_DECREF(py_ufunction);
}
if (key_initialised == true) {
// Destroy the key if it is initialised successfully.
as_key_destroy(&key);
}
as_list_destroy(arglist);
as_val_destroy(result);
if ( err.code != AEROSPIKE_OK ) {
PyObject * py_err = NULL;
error_to_pyobject(&err, &py_err);
PyObject *exception_type = raise_exception(&err);
if(PyObject_HasAttrString(exception_type, "key")) {
PyObject_SetAttrString(exception_type, "key", py_key);
}
if(PyObject_HasAttrString(exception_type, "bin")) {
PyObject_SetAttrString(exception_type, "bin", Py_None);
}
if(PyObject_HasAttrString(exception_type, "module")) {
PyObject_SetAttrString(exception_type, "module", py_module);
}
if(PyObject_HasAttrString(exception_type, "func")) {
PyObject_SetAttrString(exception_type, "func", py_function);
}
PyErr_SetObject(exception_type, py_err);
Py_DECREF(py_err);
return NULL;
}
return py_result;
}
/**
********************************************************************************************************
* Get an object from the map.
*
* @param self AerospikeLMap object
* @param args The args is a tuple object containing an argument
* list passed from Python to a C function
* @param kwds Dictionary of keywords
*
* Returns that entry with key,value pair.
* In case of error,appropriate exceptions will be raised.
********************************************************************************************************
*/
PyObject * AerospikeLMap_Get(AerospikeLMap * self, PyObject * args, PyObject * kwds)
{
PyObject* py_map_key = NULL;
PyObject* py_policy = NULL;
as_policy_apply apply_policy;
as_policy_apply* apply_policy_p = NULL;
as_val * map_key = NULL;
as_val* map_key_value = NULL;
as_static_pool static_pool;
memset(&static_pool, 0, sizeof(static_pool));
as_error err;
as_error_init(&err);
static char * kwlist[] = {"key", "policy", NULL};
// Python Function Argument Parsing
if ( PyArg_ParseTupleAndKeywords(args, kwds, "O|O:get", kwlist,
&py_map_key, &py_policy) == false ) {
return NULL;
}
if (!self || !self->client->as) {
as_error_update(&err, AEROSPIKE_ERR_PARAM, "Invalid aerospike object");
goto CLEANUP;
}
if (!self->client->is_conn_16) {
as_error_update(&err, AEROSPIKE_ERR_CLUSTER, "No connection to aerospike cluster");
goto CLEANUP;
}
// Convert python policy object to as_policy_apply
pyobject_to_policy_apply(&err, py_policy, &apply_policy, &apply_policy_p,
&self->client->as->config.policies.apply);
if ( err.code != AEROSPIKE_OK ) {
goto CLEANUP;
}
pyobject_to_val(&err, py_map_key, &map_key, &static_pool, SERIALIZER_PYTHON);
if (err.code != AEROSPIKE_OK) {
goto CLEANUP;
}
aerospike_lmap_get(self->client->as, &err, apply_policy_p, &self->key,
&self->lmap, map_key, &map_key_value);
if (err.code != AEROSPIKE_OK) {
as_error_update(&err, err.code, NULL);
goto CLEANUP;
}
PyObject * py_map_val = NULL;
val_to_pyobject(&err, map_key_value, &py_map_val);
CLEANUP:
if (map_key) {
as_val_destroy(map_key);
}
if (map_key_value) {
as_val_destroy(map_key_value);
}
if ( err.code != AEROSPIKE_OK ) {
PyObject * py_err = NULL, *py_key = NULL;
PyObject *exception_type = raise_exception(&err);
error_to_pyobject(&err, &py_err);
if(PyObject_HasAttrString(exception_type, "key")) {
key_to_pyobject(&err, &self->key, &py_key);
PyObject_SetAttrString(exception_type, "key", py_key);
Py_DECREF(py_key);
}
if(PyObject_HasAttrString(exception_type, "bin")) {
PyObject *py_bins = PyString_FromString((char *)&self->bin_name);
PyObject_SetAttrString(exception_type, "bin", py_bins);
Py_DECREF(py_bins);
}
PyErr_SetObject(exception_type, py_err);
Py_DECREF(py_err);
return NULL;
}
return py_map_val;
}
