typedef struct {
PyObject_HEAD
sd_journal *j;
-} Journal;
-static PyTypeObject JournalType;
+} Reader;
+static PyTypeObject ReaderType;
static int set_error(int r, const char* path, const char* invalid_message) {
if (r >= 0)
errno = -r;
PyErr_SetFromErrnoWithFilename(PyExc_OSError, path);
}
- return 1;
+ return -1;
}
#if PY_MAJOR_VERSION >= 3
};
#endif
-static void Journal_dealloc(Journal* self)
+static void Reader_dealloc(Reader* self)
{
sd_journal_close(self->j);
Py_TYPE(self)->tp_free((PyObject*)self);
}
-PyDoc_STRVAR(Journal__doc__,
- "Journal([flags][,path]) -> ...\n\n"
- "Journal allows filtering and retrieval of Journal entries.\n"
+PyDoc_STRVAR(Reader__doc__,
+ "Reader([flags | path]) -> ...\n\n"
+ "Reader allows filtering and retrieval of Journal entries.\n"
+ "Note: this is a low-level interface, and probably not what you\n"
+ "want, use systemd.journal.Reader instead.\n\n"
"Argument `flags` sets open flags of the journal, which can be one\n"
"of, or ORed combination of constants: LOCAL_ONLY (default) opens\n"
"journal on local machine only; RUNTIME_ONLY opens only\n"
"volatile journal files; and SYSTEM_ONLY opens only\n"
- "journal files of system services and the kernel.\n"
+ "journal files of system services and the kernel.\n\n"
"Argument `path` is the directory of journal files. Note that\n"
- "currently flags are ignored when `path` is present as they are\n"
- "not relevant.");
-static int Journal_init(Journal *self, PyObject *args, PyObject *keywds)
+ "`flags` and `path` are exclusive.\n");
+static int Reader_init(Reader *self, PyObject *args, PyObject *keywds)
{
- int flags = SD_JOURNAL_LOCAL_ONLY, r;
+ int flags = 0, r;
char *path = NULL;
static const char* const kwlist[] = {"flags", "path", NULL};
if (!PyArg_ParseTupleAndKeywords(args, keywds, "|iz", (char**) kwlist,
&flags, &path))
- return 1;
+ return -1;
+
+ if (!flags)
+ flags = SD_JOURNAL_LOCAL_ONLY;
+ else
+ if (path) {
+ PyErr_SetString(PyExc_ValueError, "cannot use both flags and path");
+ return -1;
+ }
Py_BEGIN_ALLOW_THREADS
if (path)
return set_error(r, path, "Invalid flags or path");
}
-PyDoc_STRVAR(Journal_get_next__doc__,
+PyDoc_STRVAR(Reader_fileno__doc__,
+ "fileno() -> int\n\n"
+ "Get a file descriptor to poll for changes in the journal.\n"
+ "This method invokes sd_journal_get_fd().\n"
+ "See man:sd_journal_get_fd(3).");
+static PyObject* Reader_fileno(Reader *self, PyObject *args)
+{
+ int r;
+ r = sd_journal_get_fd(self->j);
+ set_error(r, NULL, NULL);
+ if (r < 0)
+ return NULL;
+ return long_FromLong(r);
+}
+
+PyDoc_STRVAR(Reader_reliable_fd__doc__,
+ "reliable_fd() -> bool\n\n"
+ "Returns True iff the journal can be polled reliably.\n"
+ "This method invokes sd_journal_reliable_fd().\n"
+ "See man:sd_journal_reliable_fd(3).");
+static PyObject* Reader_reliable_fd(Reader *self, PyObject *args)
+{
+ int r;
+ r = sd_journal_reliable_fd(self->j);
+ set_error(r, NULL, NULL);
+ if (r < 0)
+ return NULL;
+ return PyBool_FromLong(r);
+}
+
+PyDoc_STRVAR(Reader_close__doc__,
+ "close() -> None\n\n"
+ "Free resources allocated by this Reader object.\n"
+ "This method invokes sd_journal_close().\n"
+ "See man:sd_journal_close(3).");
+static PyObject* Reader_close(Reader *self, PyObject *args)
+{
+ sd_journal_close(self->j);
+ self->j = NULL;
+ Py_RETURN_NONE;
+}
+
+PyDoc_STRVAR(Reader_get_next__doc__,
"get_next([skip]) -> dict\n\n"
"Return dictionary of the next log entry. Optional skip value will\n"
"return the `skip`\\-th log entry.");
-static PyObject* Journal_get_next(Journal *self, PyObject *args)
+static PyObject* Reader_get_next(Reader *self, PyObject *args)
{
PyObject *dict;
const void *msg;
if (r < 0)
goto error;
- PyDict_SetItem(dict, key, tmp_list);
+ r = PyDict_SetItem(dict, key, tmp_list);
if (r < 0)
goto error;
}
return NULL;
}
-PyDoc_STRVAR(Journal_get_previous__doc__,
+PyDoc_STRVAR(Reader_get_previous__doc__,
"get_previous([skip]) -> dict\n\n"
"Return dictionary of the previous log entry. Optional skip value\n"
"will return the -`skip`\\-th log entry. Equivalent to get_next(-skip).");
-static PyObject* Journal_get_previous(Journal *self, PyObject *args)
+static PyObject* Reader_get_previous(Reader *self, PyObject *args)
{
int64_t skip = 1LL;
if (!PyArg_ParseTuple(args, "|L", &skip))
(char*) "L", -skip);
}
-PyDoc_STRVAR(Journal_add_match__doc__,
+PyDoc_STRVAR(Reader_add_match__doc__,
"add_match(match) -> None\n\n"
"Add a match to filter journal log entries. All matches of different\n"
"fields are combined with logical AND, and matches of the same field\n"
"are automatically combined with logical OR.\n"
"Match is a string of the form \"FIELD=value\".");
-static PyObject* Journal_add_match(Journal *self, PyObject *args, PyObject *keywds)
+static PyObject* Reader_add_match(Reader *self, PyObject *args, PyObject *keywds)
{
char *match;
int match_len, r;
Py_RETURN_NONE;
}
-PyDoc_STRVAR(Journal_add_disjunction__doc__,
+PyDoc_STRVAR(Reader_add_disjunction__doc__,
"add_disjunction() -> None\n\n"
"Inserts a logical OR between matches added before and afterwards.");
-static PyObject* Journal_add_disjunction(Journal *self, PyObject *args)
+static PyObject* Reader_add_disjunction(Reader *self, PyObject *args)
{
int r;
r = sd_journal_add_disjunction(self->j);
Py_RETURN_NONE;
}
-PyDoc_STRVAR(Journal_flush_matches__doc__,
+PyDoc_STRVAR(Reader_flush_matches__doc__,
"flush_matches() -> None\n\n"
"Clear all current match filters.");
-static PyObject* Journal_flush_matches(Journal *self, PyObject *args)
+static PyObject* Reader_flush_matches(Reader *self, PyObject *args)
{
sd_journal_flush_matches(self->j);
Py_RETURN_NONE;
}
-PyDoc_STRVAR(Journal_seek__doc__,
- "seek(offset[, whence]) -> None\n\n"
- "Jump `offset` entries in the journal. Argument\n"
- "`whence` defines what the offset is relative to:\n"
- "os.SEEK_SET (default) from first match in journal;\n"
- "os.SEEK_CUR from current position in journal;\n"
- "and os.SEEK_END is from last match in journal.");
-static PyObject* Journal_seek(Journal *self, PyObject *args, PyObject *keywds)
+PyDoc_STRVAR(Reader_seek_head__doc__,
+ "seek_head() -> None\n\n"
+ "Jump to the beginning of the journal.\n"
+ "This method invokes sd_journal_seek_head().\n"
+ "See man:sd_journal_seek_head(3).");
+static PyObject* Reader_seek_head(Reader *self, PyObject *args)
{
- int64_t offset;
- int whence = SEEK_SET;
- PyObject *result = NULL;
-
- static const char* const kwlist[] = {"offset", "whence", NULL};
- if (!PyArg_ParseTupleAndKeywords(args, keywds, "L|i", (char**) kwlist,
- &offset, &whence))
+ int r;
+ Py_BEGIN_ALLOW_THREADS
+ r = sd_journal_seek_head(self->j);
+ Py_END_ALLOW_THREADS
+ if (set_error(r, NULL, NULL))
return NULL;
+ Py_RETURN_NONE;
+}
- switch(whence) {
- case SEEK_SET: {
- int r;
- Py_BEGIN_ALLOW_THREADS
- r = sd_journal_seek_head(self->j);
- Py_END_ALLOW_THREADS
- if (set_error(r, NULL, NULL))
- return NULL;
-
- if (offset > 0LL)
- result = PyObject_CallMethod((PyObject *)self, (char*) "get_next",
- (char*) "L", offset);
- break;
- }
- case SEEK_CUR:
- result = PyObject_CallMethod((PyObject *)self, (char*) "get_next",
- (char*) "L", offset);
- break;
- case SEEK_END: {
- int r;
- Py_BEGIN_ALLOW_THREADS
- r = sd_journal_seek_tail(self->j);
- Py_END_ALLOW_THREADS
- if (set_error(r, NULL, NULL))
- return NULL;
-
- result = PyObject_CallMethod((PyObject *)self, (char*) "get_next",
- (char*) "L", offset < 0LL ? offset : -1LL);
- break;
- }
- default:
- PyErr_SetString(PyExc_ValueError, "Invalid value for whence");
- }
-
- Py_XDECREF(result);
- if (PyErr_Occurred())
+PyDoc_STRVAR(Reader_seek_tail__doc__,
+ "seek_tail() -> None\n\n"
+ "Jump to the end of the journal.\n"
+ "This method invokes sd_journal_seek_tail().\n"
+ "See man:sd_journal_seek_tail(3).");
+static PyObject* Reader_seek_tail(Reader *self, PyObject *args)
+{
+ int r;
+ Py_BEGIN_ALLOW_THREADS
+ r = sd_journal_seek_tail(self->j);
+ Py_END_ALLOW_THREADS
+ if (set_error(r, NULL, NULL))
return NULL;
Py_RETURN_NONE;
}
-PyDoc_STRVAR(Journal_seek_realtime__doc__,
+PyDoc_STRVAR(Reader_seek_realtime__doc__,
"seek_realtime(realtime) -> None\n\n"
"Seek to nearest matching journal entry to `realtime`. Argument\n"
"`realtime` can must be an integer unix timestamp.");
-static PyObject* Journal_seek_realtime(Journal *self, PyObject *args)
+static PyObject* Reader_seek_realtime(Reader *self, PyObject *args)
{
double timedouble;
uint64_t timestamp;
Py_RETURN_NONE;
}
-PyDoc_STRVAR(Journal_seek_monotonic__doc__,
+PyDoc_STRVAR(Reader_seek_monotonic__doc__,
"seek_monotonic(monotonic[, bootid]) -> None\n\n"
"Seek to nearest matching journal entry to `monotonic`. Argument\n"
"`monotonic` is an timestamp from boot in seconds.\n"
"Argument `bootid` is a string representing which boot the\n"
"monotonic time is reference to. Defaults to current bootid.");
-static PyObject* Journal_seek_monotonic(Journal *self, PyObject *args)
+static PyObject* Reader_seek_monotonic(Reader *self, PyObject *args)
{
double timedouble;
char *bootid = NULL;
Py_RETURN_NONE;
}
-PyDoc_STRVAR(Journal_wait__doc__,
+PyDoc_STRVAR(Reader_wait__doc__,
"wait([timeout]) -> state change (integer)\n\n"
"Wait for a change in the journal. Argument `timeout` specifies\n"
"the maximum number of seconds to wait before returning\n"
"Will return constants: NOP if no change; APPEND if new\n"
"entries have been added to the end of the journal; and\n"
"INVALIDATE if journal files have been added or removed.");
-static PyObject* Journal_wait(Journal *self, PyObject *args, PyObject *keywds)
+static PyObject* Reader_wait(Reader *self, PyObject *args, PyObject *keywds)
{
int r;
int64_t timeout = 0LL;
return NULL;
Py_BEGIN_ALLOW_THREADS
- r = sd_journal_wait(self->j, timeout ==0 ? (uint64_t) -1 : timeout * 1E6);
+ r = sd_journal_wait(self->j,
+ timeout == 0 ? (uint64_t) -1 : timeout * 1E6);
Py_END_ALLOW_THREADS
- if (set_error(r, NULL, NULL))
+ if (set_error(r, NULL, NULL) < 0)
return NULL;
return long_FromLong(r);
}
-PyDoc_STRVAR(Journal_seek_cursor__doc__,
+PyDoc_STRVAR(Reader_seek_cursor__doc__,
"seek_cursor(cursor) -> None\n\n"
"Seek to journal entry by given unique reference `cursor`.");
-static PyObject* Journal_seek_cursor(Journal *self, PyObject *args)
+static PyObject* Reader_seek_cursor(Reader *self, PyObject *args)
{
const char *cursor;
int r;
Py_RETURN_NONE;
}
-static PyObject* Journal_iter(PyObject *self)
+static PyObject* Reader_iter(PyObject *self)
{
Py_INCREF(self);
return self;
}
-static PyObject* Journal_iternext(PyObject *self)
+static PyObject* Reader_iternext(PyObject *self)
{
PyObject *dict;
Py_ssize_t dict_size;
}
}
-PyDoc_STRVAR(Journal_query_unique__doc__,
+PyDoc_STRVAR(Reader_query_unique__doc__,
"query_unique(field) -> a set of values\n\n"
"Return a set of unique values appearing in journal for the\n"
"given `field`. Note this does not respect any journal matches.");
-static PyObject* Journal_query_unique(Journal *self, PyObject *args)
+static PyObject* Reader_query_unique(Reader *self, PyObject *args)
{
char *query;
int r;
"Fields longer than this will be truncated to the threshold size.\n"
"Defaults to 64Kb.");
-static PyObject* Journal_get_data_threshold(Journal *self, void *closure)
+static PyObject* Reader_get_data_threshold(Reader *self, void *closure)
{
size_t cvalue;
int r;
return long_FromSize_t(cvalue);
}
-static int Journal_set_data_threshold(Journal *self, PyObject *value, void *closure)
+static int Reader_set_data_threshold(Reader *self, PyObject *value, void *closure)
{
int r;
if (value == NULL) {
return set_error(r, NULL, NULL);
}
-static PyGetSetDef Journal_getseters[] = {
+static PyGetSetDef Reader_getseters[] = {
{(char*) "data_threshold",
- (getter) Journal_get_data_threshold,
- (setter) Journal_set_data_threshold,
+ (getter) Reader_get_data_threshold,
+ (setter) Reader_set_data_threshold,
(char*) data_threshold__doc__,
NULL},
{NULL}
};
-static PyMethodDef Journal_methods[] = {
- {"get_next", (PyCFunction) Journal_get_next, METH_VARARGS, Journal_get_next__doc__},
- {"get_previous", (PyCFunction) Journal_get_previous, METH_VARARGS, Journal_get_previous__doc__},
- {"add_match", (PyCFunction) Journal_add_match, METH_VARARGS|METH_KEYWORDS, Journal_add_match__doc__},
- {"add_disjunction", (PyCFunction) Journal_add_disjunction, METH_NOARGS, Journal_add_disjunction__doc__},
- {"flush_matches", (PyCFunction) Journal_flush_matches, METH_NOARGS, Journal_flush_matches__doc__},
- {"seek", (PyCFunction) Journal_seek, METH_VARARGS | METH_KEYWORDS, Journal_seek__doc__},
- {"seek_realtime", (PyCFunction) Journal_seek_realtime, METH_VARARGS, Journal_seek_realtime__doc__},
- {"seek_monotonic", (PyCFunction) Journal_seek_monotonic, METH_VARARGS, Journal_seek_monotonic__doc__},
- {"wait", (PyCFunction) Journal_wait, METH_VARARGS, Journal_wait__doc__},
- {"seek_cursor", (PyCFunction) Journal_seek_cursor, METH_VARARGS, Journal_seek_cursor__doc__},
- {"query_unique", (PyCFunction) Journal_query_unique, METH_VARARGS, Journal_query_unique__doc__},
+static PyMethodDef Reader_methods[] = {
+ {"fileno", (PyCFunction) Reader_fileno, METH_NOARGS, Reader_fileno__doc__},
+ {"reliable_fd", (PyCFunction) Reader_reliable_fd, METH_NOARGS, Reader_reliable_fd__doc__},
+ {"close", (PyCFunction) Reader_close, METH_NOARGS, Reader_close__doc__},
+ {"get_next", (PyCFunction) Reader_get_next, METH_VARARGS, Reader_get_next__doc__},
+ {"get_previous", (PyCFunction) Reader_get_previous, METH_VARARGS, Reader_get_previous__doc__},
+ {"add_match", (PyCFunction) Reader_add_match, METH_VARARGS|METH_KEYWORDS, Reader_add_match__doc__},
+ {"add_disjunction", (PyCFunction) Reader_add_disjunction, METH_NOARGS, Reader_add_disjunction__doc__},
+ {"flush_matches", (PyCFunction) Reader_flush_matches, METH_NOARGS, Reader_flush_matches__doc__},
+ {"seek_head", (PyCFunction) Reader_seek_head, METH_NOARGS, Reader_seek_head__doc__},
+ {"seek_tail", (PyCFunction) Reader_seek_tail, METH_NOARGS, Reader_seek_tail__doc__},
+ {"seek_realtime", (PyCFunction) Reader_seek_realtime, METH_VARARGS, Reader_seek_realtime__doc__},
+ {"seek_monotonic", (PyCFunction) Reader_seek_monotonic, METH_VARARGS, Reader_seek_monotonic__doc__},
+ {"wait", (PyCFunction) Reader_wait, METH_VARARGS, Reader_wait__doc__},
+ {"seek_cursor", (PyCFunction) Reader_seek_cursor, METH_VARARGS, Reader_seek_cursor__doc__},
+ {"query_unique", (PyCFunction) Reader_query_unique, METH_VARARGS, Reader_query_unique__doc__},
{NULL} /* Sentinel */
};
-static PyTypeObject JournalType = {
+static PyTypeObject ReaderType = {
PyVarObject_HEAD_INIT(NULL, 0)
- "_reader._Journal", /*tp_name*/
- sizeof(Journal), /*tp_basicsize*/
+ "_reader._Reader", /*tp_name*/
+ sizeof(Reader), /*tp_basicsize*/
0, /*tp_itemsize*/
- (destructor)Journal_dealloc, /*tp_dealloc*/
+ (destructor)Reader_dealloc, /*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
- Journal__doc__, /* tp_doc */
+ Reader__doc__, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
- Journal_iter, /* tp_iter */
- Journal_iternext, /* tp_iternext */
- Journal_methods, /* tp_methods */
+ Reader_iter, /* tp_iter */
+ Reader_iternext, /* tp_iternext */
+ Reader_methods, /* tp_methods */
0, /* tp_members */
- Journal_getseters, /* tp_getset */
+ Reader_getseters, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
- (initproc) Journal_init, /* tp_init */
+ (initproc) Reader_init, /* tp_init */
0, /* tp_alloc */
PyType_GenericNew, /* tp_new */
};
PyDateTime_IMPORT;
- if (PyType_Ready(&JournalType) < 0)
+ if (PyType_Ready(&ReaderType) < 0)
#if PY_MAJOR_VERSION >= 3
return NULL;
#else
return;
#endif
- Py_INCREF(&JournalType);
+ Py_INCREF(&ReaderType);
#if PY_MAJOR_VERSION >= 3
Py_INCREF(&MonotonicType);
#endif
- if (PyModule_AddObject(m, "_Journal", (PyObject *) &JournalType) ||
+ if (PyModule_AddObject(m, "_Reader", (PyObject *) &ReaderType) ||
#if PY_MAJOR_VERSION >= 3
PyModule_AddObject(m, "Monotonic", (PyObject*) &MonotonicType) ||
#endif