#include "macro.h"
#include "util.h"
-#if PY_MAJOR_VERSION >=3
-# define unicode_FromStringAndSize PyUnicode_FromStringAndSize
-# define unicode_FromString PyUnicode_FromString
-# define long_FromLong PyLong_FromLong
-# define long_FromSize_t PyLong_FromSize_t
-# define long_Check PyLong_Check
-# define long_AsLong PyLong_AsLong
-#else
-/* Python 3 type naming convention is used */
-# define unicode_FromStringAndSize PyString_FromStringAndSize
-# define unicode_FromString PyString_FromString
-# define long_FromLong PyInt_FromLong
-# define long_FromSize_t PyInt_FromSize_t
-# define long_Check PyInt_Check
-# define long_AsLong PyInt_AsLong
-#endif
-
typedef struct {
PyObject_HEAD
sd_journal *j;
errno = -r;
PyErr_SetFromErrnoWithFilename(PyExc_OSError, path);
}
- return 1;
+ return -1;
}
#if PY_MAJOR_VERSION >= 3
}
PyDoc_STRVAR(Reader__doc__,
- "Reader([flags][,path]) -> ...\n\n"
+ "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.");
+ "`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(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)
+{
+ assert(self);
+ assert(!args);
+
+ sd_journal_close(self->j);
+ self->j = NULL;
+ Py_RETURN_NONE;
+}
+
+PyDoc_STRVAR(Reader___enter____doc__,
+ "__enter__() -> self\n\n"
+ "Part of the context manager protocol.\n"
+ "Returns self.\n");
+static PyObject* Reader___enter__(PyObject *self, PyObject *args)
+{
+ assert(self);
+ assert(!args);
+
+ Py_INCREF(self);
+ return self;
+}
+
+PyDoc_STRVAR(Reader___exit____doc__,
+ "__exit__(type, value, traceback) -> None\n\n"
+ "Part of the context manager protocol.\n"
+ "Closes the journal.\n");
+static PyObject* Reader___exit__(Reader *self, PyObject *args)
+{
+ assert(self);
+
+ 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"
if (r < 0)
goto error;
- PyDict_SetItem(dict, key, tmp_list);
+ r = PyDict_SetItem(dict, key, tmp_list);
if (r < 0)
goto error;
}
Py_RETURN_NONE;
}
-PyDoc_STRVAR(Reader_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* Reader_seek(Reader *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;
}
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);
};
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__},
+ {"__enter__", (PyCFunction) Reader___enter__, METH_NOARGS, Reader___enter____doc__},
+ {"__exit__", (PyCFunction) Reader___exit__, METH_VARARGS, Reader___exit____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", (PyCFunction) Reader_seek, METH_VARARGS | METH_KEYWORDS, Reader_seek__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__},
~ianmdlvl / elogind.git / blobdiff