/* Expose the notices received as Python objects.
*
* The function should be called with the connection lock and the GIL.
*/
void
conn_notice_process(connectionObject *self)
{
struct connectionObject_notice *notice;
PyObject *msg = NULL;
PyObject *tmp = NULL;
static PyObject *append;
if (NULL == self->notice_pending) {
return;
}
if (!append) {
if (!(append = Text_FromUTF8("append"))) {
goto error;
}
}
notice = self->notice_pending;
while (notice != NULL) {
Dprintf("conn_notice_process: %s", notice->message);
if (!(msg = conn_text_from_chars(self, notice->message))) { goto error; }
if (!(tmp = PyObject_CallMethodObjArgs(
self->notice_list, append, msg, NULL))) {
goto error;
}
Py_DECREF(tmp); tmp = NULL;
Py_DECREF(msg); msg = NULL;
notice = notice->next;
}
/* Remove the oldest item if the queue is getting too long. */
if (PyList_Check(self->notice_list)) {
Py_ssize_t nnotices;
nnotices = PyList_GET_SIZE(self->notice_list);
if (nnotices > CONN_NOTICES_LIMIT) {
if (-1 == PySequence_DelSlice(self->notice_list,
0, nnotices - CONN_NOTICES_LIMIT)) {
PyErr_Clear();
}
}
}
conn_notice_clean(self);
return;
error:
Py_XDECREF(tmp);
Py_XDECREF(msg);
conn_notice_clean(self);
/* TODO: the caller doesn't expects errors from us */
PyErr_Clear();
}
static void
connection_dealloc(PyObject* obj)
{
connectionObject *self = (connectionObject *)obj;
/* Make sure to untrack the connection before calling conn_close, which may
* allow a different thread to try and dealloc the connection again,
* resulting in a double-free segfault (ticket #166). */
PyObject_GC_UnTrack(self);
conn_close(self);
if (self->weakreflist) {
PyObject_ClearWeakRefs(obj);
}
conn_notice_clean(self);
PyMem_Free(self->dsn);
PyMem_Free(self->encoding);
if (self->critical) free(self->critical);
if (self->cancel) PQfreeCancel(self->cancel);
connection_clear(self);
pthread_mutex_destroy(&(self->lock));
Dprintf("connection_dealloc: deleted connection object at %p, refcnt = "
FORMAT_CODE_PY_SSIZE_T,
obj, Py_REFCNT(obj)
);
Py_TYPE(obj)->tp_free(obj);
}
static void
connection_dealloc(PyObject* obj)
{
connectionObject *self = (connectionObject *)obj;
PyObject_GC_UnTrack(self);
if (self->closed == 0) conn_close(self);
conn_notice_clean(self);
if (self->dsn) free(self->dsn);
if (self->encoding) free(self->encoding);
if (self->critical) free(self->critical);
Py_CLEAR(self->async_cursor);
Py_CLEAR(self->notice_list);
Py_CLEAR(self->notice_filter);
Py_CLEAR(self->notifies);
Py_CLEAR(self->string_types);
Py_CLEAR(self->binary_types);
pthread_mutex_destroy(&(self->lock));
Dprintf("connection_dealloc: deleted connection object at %p, refcnt = "
FORMAT_CODE_PY_SSIZE_T,
obj, obj->ob_refcnt
);
obj->ob_type->tp_free(obj);
}
/* Expose the notices received as Python objects.
*
* The function should be called with the connection lock and the GIL.
*/
void
conn_notice_process(connectionObject *self)
{
struct connectionObject_notice *notice;
Py_ssize_t nnotices;
if (NULL == self->notice_pending) {
return;
}
notice = self->notice_pending;
nnotices = PyList_GET_SIZE(self->notice_list);
while (notice != NULL) {
PyObject *msg;
msg = conn_text_from_chars(self, notice->message);
Dprintf("conn_notice_process: %s", notice->message);
/* Respect the order in which notices were produced,
because in notice_list they are reversed (see ticket #9) */
if (msg) {
PyList_Insert(self->notice_list, nnotices, msg);
Py_DECREF(msg);
}
else {
/* We don't really have a way to report errors, so gulp it.
* The function should only fail for out of memory, so we are
* likely going to die anyway. */
PyErr_Clear();
}
notice = notice->next;
}
/* Remove the oldest item if the queue is getting too long. */
nnotices = PyList_GET_SIZE(self->notice_list);
if (nnotices > CONN_NOTICES_LIMIT) {
PySequence_DelSlice(self->notice_list,
0, nnotices - CONN_NOTICES_LIMIT);
}
conn_notice_clean(self);
}
static void
connection_dealloc(PyObject* obj)
{
connectionObject *self = (connectionObject *)obj;
/* Make sure to untrack the connection before calling conn_close, which may
* allow a different thread to try and dealloc the connection again,
* resulting in a double-free segfault (ticket #166). */
PyObject_GC_UnTrack(self);
/* close the connection only if this is the same process it was created
* into, otherwise using multiprocessing we may close the connection
* belonging to another process. */
#ifdef CONN_CHECK_PID
if (self->procpid == getpid())
#endif
{
conn_close(self);
}
if (self->weakreflist) {
PyObject_ClearWeakRefs(obj);
}
conn_notice_clean(self);
PyMem_Free(self->dsn);
PyMem_Free(self->encoding);
if (self->error) free(self->error);
if (self->cancel) PQfreeCancel(self->cancel);
PQclear(self->pgres);
connection_clear(self);
pthread_mutex_destroy(&(self->lock));
Dprintf("connection_dealloc: deleted connection object at %p, refcnt = "
FORMAT_CODE_PY_SSIZE_T,
obj, Py_REFCNT(obj)
);
Py_TYPE(obj)->tp_free(obj);
}
static void
connection_dealloc(PyObject* obj)
{
connectionObject *self = (connectionObject *)obj;
if (self->weakreflist) {
PyObject_ClearWeakRefs(obj);
}
PyObject_GC_UnTrack(self);
if (self->closed == 0) conn_close(self);
conn_notice_clean(self);
if (self->dsn) free(self->dsn);
PyMem_Free(self->encoding);
PyMem_Free(self->codec);
if (self->critical) free(self->critical);
Py_CLEAR(self->tpc_xid);
Py_CLEAR(self->async_cursor);
Py_CLEAR(self->notice_list);
Py_CLEAR(self->notice_filter);
Py_CLEAR(self->notifies);
Py_CLEAR(self->string_types);
Py_CLEAR(self->binary_types);
pthread_mutex_destroy(&(self->lock));
Dprintf("connection_dealloc: deleted connection object at %p, refcnt = "
FORMAT_CODE_PY_SSIZE_T,
obj, Py_REFCNT(obj)
);
Py_TYPE(obj)->tp_free(obj);
}
