}
PyDoc_STRVAR(Reader__doc__,
- "Reader([flags | path]) -> ...\n\n"
- "Reader allows filtering and retrieval of Journal entries.\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"
"volatile journal files; and SYSTEM_ONLY opens only\n"
"journal files of system services and the kernel.\n\n"
"Argument `path` is the directory of journal files. Note that\n"
- "`flags` and `path` are exclusive.\n");
+ "`flags` and `path` are exclusive.\n\n"
+ "_Reader implements the context manager protocol: the journal\n"
+ "will be closed when exiting the block.");
static int Reader_init(Reader *self, PyObject *args, PyObject *keywds)
{
int flags = 0, r;
"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)
+ int fd;
+ fd = sd_journal_get_fd(self->j);
+ set_error(fd, NULL, NULL);
+ if (fd < 0)
return NULL;
- return long_FromLong(r);
+ return long_FromLong(fd);
}
}
+PyDoc_STRVAR(Reader_get_usage__doc__,
+ "get_usage() -> int\n\n"
+ "Returns the total disk space currently used by journal"
+ "files (in bytes). If `SD_JOURNAL_LOCAL_ONLY` was"
+ "passed when opening the journal this value will only reflect"
+ "the size of journal files of the local host, otherwise"
+ "of all hosts.\n\n"
+ "This method invokes sd_journal_get_usage().\n"
+ "See man:sd_journal_get_usage(3).");
+static PyObject* Reader_get_usage(Reader *self, PyObject *args)
+{
+ int r;
+ uint64_t bytes;
+
+ r = sd_journal_get_usage(self->j, &bytes);
+ if (set_error(r, NULL, NULL))
+ return NULL;
+
+ assert_cc(sizeof(unsigned long long) == sizeof(bytes));
+ return PyLong_FromUnsignedLongLong(bytes);
+}
+
+
PyDoc_STRVAR(Reader___enter____doc__,
"__enter__() -> self\n\n"
"Part of the context manager protocol.\n"
}
-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* Reader_get_next(Reader *self, PyObject *args)
+PyDoc_STRVAR(Reader_next__doc__,
+ "next([skip]) -> bool\n\n"
+ "Go to the next log entry. Optional skip value means to go to\n"
+ "the `skip`\\-th log entry.\n"
+ "Returns False if at end of file, True otherwise.");
+static PyObject* Reader_next(Reader *self, PyObject *args)
{
- PyObject *dict;
- const void *msg;
- size_t msg_len;
int64_t skip = 1LL;
int r;
- if (!PyArg_ParseTuple(args, "|L:_Reader.get_next", &skip))
+ if (!PyArg_ParseTuple(args, "|L:next", &skip))
return NULL;
if (skip == 0LL) {
set_error(r, NULL, NULL);
if (r < 0)
return NULL;
- else if (r == 0) /* EOF */
+ return PyBool_FromLong(r);
+}
+
+
+static int extract(const char* msg, size_t msg_len,
+ PyObject **key, PyObject **value) {
+ PyObject *k = NULL, *v;
+ const char *delim_ptr;
+
+ delim_ptr = memchr(msg, '=', msg_len);
+ if (!delim_ptr) {
+ PyErr_SetString(PyExc_OSError,
+ "journal gave us a field without '='");
+ return -1;
+ }
+
+ if (key) {
+ k = unicode_FromStringAndSize(msg, delim_ptr - (const char*) msg);
+ if (!k)
+ return -1;
+ }
+
+ if (value) {
+ v = PyBytes_FromStringAndSize(delim_ptr + 1,
+ (const char*) msg + msg_len - (delim_ptr + 1));
+ if (!v) {
+ Py_XDECREF(k);
+ return -1;
+ }
+
+ *value = v;
+ }
+
+ if (key)
+ *key = k;
+
+ return 0;
+}
+
+PyDoc_STRVAR(Reader_get__doc__,
+ "get(str) -> str\n\n"
+ "Return data associated with this key in current log entry.\n"
+ "Throws KeyError is the data is not available.");
+static PyObject* Reader_get(Reader *self, PyObject *args)
+{
+ const char* field;
+ const void* msg;
+ size_t msg_len;
+ PyObject *value;
+ int r;
+
+ assert(self);
+ assert(args);
+
+ if (!PyArg_ParseTuple(args, "s:get", &field))
+ return NULL;
+
+ r = sd_journal_get_data(self->j, field, &msg, &msg_len);
+ if (r == -ENOENT) {
+ PyErr_SetString(PyExc_KeyError, field);
+ return NULL;
+ } else if (set_error(r, NULL, "field name is not valid"))
+ return NULL;
+
+ r = extract(msg, msg_len, NULL, &value);
+ if (r < 0)
+ return NULL;
+ return value;
+}
+
+
+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. Returns an empty dict on EOF.");
+static PyObject* Reader_get_next(Reader *self, PyObject *args)
+{
+ PyObject _cleanup_Py_DECREF_ *tmp = NULL;
+ PyObject *dict;
+ const void *msg;
+ size_t msg_len;
+ int r;
+
+ tmp = Reader_next(self, args);
+ if (!tmp)
+ return NULL;
+ if (tmp == Py_False) /* EOF */
return PyDict_New();
dict = PyDict_New();
SD_JOURNAL_FOREACH_DATA(self->j, msg, msg_len) {
PyObject _cleanup_Py_DECREF_ *key = NULL, *value = NULL;
- const char *delim_ptr;
-
- delim_ptr = memchr(msg, '=', msg_len);
- if (!delim_ptr) {
- PyErr_SetString(PyExc_OSError,
- "journal gave us a field without '='");
- goto error;
- }
- key = unicode_FromStringAndSize(msg, delim_ptr - (const char*) msg);
- if (!key)
- goto error;
-
- value = PyBytes_FromStringAndSize(
- delim_ptr + 1,
- (const char*) msg + msg_len - (delim_ptr + 1) );
- if (!value)
+ r = extract(msg, msg_len, &key, &value);
+ if (r < 0)
goto error;
if (PyDict_Contains(dict, key)) {
}
}
- {
- PyObject _cleanup_Py_DECREF_ *key = NULL, *value = NULL;
- uint64_t realtime;
+ return dict;
- r = sd_journal_get_realtime_usec(self->j, &realtime);
- if (set_error(r, NULL, NULL))
- goto error;
+error:
+ Py_DECREF(dict);
+ return NULL;
+}
- key = unicode_FromString("__REALTIME_TIMESTAMP");
- if (!key)
- goto error;
- assert_cc(sizeof(unsigned long long) == sizeof(realtime));
- value = PyLong_FromUnsignedLongLong(realtime);
- if (!value)
- goto error;
+PyDoc_STRVAR(Reader_get_realtime__doc__,
+ "get_realtime() -> int\n\n"
+ "Return the realtime timestamp for the current journal entry\n"
+ "in microseconds.\n\n"
+ "Wraps sd_journal_get_realtime_usec().\n"
+ "See man:sd_journal_get_realtime_usec(3).");
+static PyObject* Reader_get_realtime(Reader *self, PyObject *args)
+{
+ uint64_t timestamp;
+ int r;
- if (PyDict_SetItem(dict, key, value))
- goto error;
- }
+ assert(self);
+ assert(!args);
- {
- PyObject _cleanup_Py_DECREF_
- *key = NULL, *timestamp = NULL, *bytes = NULL, *value = NULL;
- sd_id128_t id;
- uint64_t monotonic;
+ r = sd_journal_get_realtime_usec(self->j, ×tamp);
+ if (set_error(r, NULL, NULL))
+ return NULL;
- r = sd_journal_get_monotonic_usec(self->j, &monotonic, &id);
- if (set_error(r, NULL, NULL))
- goto error;
+ assert_cc(sizeof(unsigned long long) == sizeof(timestamp));
+ return PyLong_FromUnsignedLongLong(timestamp);
+}
- assert_cc(sizeof(unsigned long long) == sizeof(monotonic));
- key = unicode_FromString("__MONOTONIC_TIMESTAMP");
- timestamp = PyLong_FromUnsignedLongLong(monotonic);
- bytes = PyBytes_FromStringAndSize((const char*) &id.bytes, sizeof(id.bytes));
-#if PY_MAJOR_VERSION >= 3
- value = PyStructSequence_New(&MonotonicType);
-#else
- value = PyTuple_New(2);
-#endif
- if (!key || !timestamp || !bytes || !value)
- goto error;
- Py_INCREF(timestamp);
- Py_INCREF(bytes);
+PyDoc_STRVAR(Reader_get_monotonic__doc__,
+ "get_monotonic() -> (timestamp, bootid)\n\n"
+ "Return the monotonic timestamp for the current journal entry\n"
+ "as a tuple of time in microseconds and bootid.\n\n"
+ "Wraps sd_journal_get_monotonic_usec().\n"
+ "See man:sd_journal_get_monotonic_usec(3).");
+static PyObject* Reader_get_monotonic(Reader *self, PyObject *args)
+{
+ uint64_t timestamp;
+ sd_id128_t id;
+ PyObject *monotonic, *bootid, *tuple;
+ int r;
+ assert(self);
+ assert(!args);
+
+ r = sd_journal_get_monotonic_usec(self->j, ×tamp, &id);
+ if (set_error(r, NULL, NULL))
+ return NULL;
+
+ assert_cc(sizeof(unsigned long long) == sizeof(timestamp));
+ monotonic = PyLong_FromUnsignedLongLong(timestamp);
+ bootid = PyBytes_FromStringAndSize((const char*) &id.bytes, sizeof(id.bytes));
#if PY_MAJOR_VERSION >= 3
- PyStructSequence_SET_ITEM(value, 0, timestamp);
- PyStructSequence_SET_ITEM(value, 1, bytes);
+ tuple = PyStructSequence_New(&MonotonicType);
#else
- PyTuple_SET_ITEM(value, 0, timestamp);
- PyTuple_SET_ITEM(value, 1, bytes);
+ tuple = PyTuple_New(2);
#endif
-
- if (PyDict_SetItem(dict, key, value))
- goto error;
+ if (!monotonic || !bootid || !tuple) {
+ Py_XDECREF(monotonic);
+ Py_XDECREF(bootid);
+ Py_XDECREF(tuple);
+ return NULL;
}
- {
- PyObject _cleanup_Py_DECREF_ *key = NULL, *value = NULL;
- char _cleanup_free_ *cursor = NULL;
-
- r = sd_journal_get_cursor(self->j, &cursor);
- if (set_error(r, NULL, NULL))
- goto error;
-
- key = unicode_FromString("__CURSOR");
- if (!key)
- goto error;
-
- value = PyBytes_FromString(cursor);
- if (!value)
- goto error;
-
- if (PyDict_SetItem(dict, key, value))
- goto error;
- }
+#if PY_MAJOR_VERSION >= 3
+ PyStructSequence_SET_ITEM(tuple, 0, monotonic);
+ PyStructSequence_SET_ITEM(tuple, 1, bootid);
+#else
+ PyTuple_SET_ITEM(tuple, 0, monotonic);
+ PyTuple_SET_ITEM(tuple, 1, bootid);
+#endif
- return dict;
-error:
- Py_DECREF(dict);
- return NULL;
+ return tuple;
}
static PyObject* Reader_get_previous(Reader *self, PyObject *args)
{
int64_t skip = 1LL;
- if (!PyArg_ParseTuple(args, "|L:_Reader.get_previous", &skip))
+ if (!PyArg_ParseTuple(args, "|L:get_previous", &skip))
return NULL;
return PyObject_CallMethod((PyObject *)self, (char*) "get_next",
{
char *match;
int match_len, r;
- if (!PyArg_ParseTuple(args, "s#:_Reader.add_match", &match, &match_len))
+ if (!PyArg_ParseTuple(args, "s#:add_match", &match, &match_len))
return NULL;
r = sd_journal_add_match(self->j, match, match_len);
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.");
+ "`realtime` in specified in seconds.");
static PyObject* Reader_seek_realtime(Reader *self, PyObject *args)
{
- double timedouble;
uint64_t timestamp;
int r;
- if (!PyArg_ParseTuple(args, "d:_Reader.seek_realtime", &timedouble))
- return NULL;
-
- timestamp = (uint64_t) (timedouble * 1.0E6);
- if ((int64_t) timestamp < 0LL) {
- PyErr_SetString(PyExc_ValueError, "Time must be a positive integer");
+ if (!PyArg_ParseTuple(args, "K:seek_realtime", ×tamp))
return NULL;
- }
Py_BEGIN_ALLOW_THREADS
r = sd_journal_seek_realtime_usec(self->j, timestamp);
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"
+ "`monotonic` is an timestamp from boot in microseconds.\n"
"Argument `bootid` is a string representing which boot the\n"
"monotonic time is reference to. Defaults to current bootid.");
static PyObject* Reader_seek_monotonic(Reader *self, PyObject *args)
{
- double timedouble;
char *bootid = NULL;
uint64_t timestamp;
sd_id128_t id;
int r;
- if (!PyArg_ParseTuple(args, "d|z:_Reader.seek_monotonic", &timedouble, &bootid))
+ if (!PyArg_ParseTuple(args, "K|z:seek_monotonic", ×tamp, &bootid))
return NULL;
- timestamp = (uint64_t) (timedouble * 1.0E6);
-
- if ((int64_t) timestamp < 0LL) {
- PyErr_SetString(PyExc_ValueError, "Time must be positive number");
- return NULL;
- }
-
if (bootid) {
r = sd_id128_from_string(bootid, &id);
if (set_error(r, NULL, "Invalid bootid"))
Py_END_ALLOW_THREADS
if (set_error(r, NULL, NULL))
return NULL;
+
Py_RETURN_NONE;
}
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"
- "regardless of wheter the journal has changed. If `timeout` is not given\n"
- "or is 0, then block forever.\n"
+ "the maximum number of microseconds to wait before returning\n"
+ "regardless of wheter the journal has changed. If `timeout` is -1,\n"
+ "then block forever.\n\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* Reader_wait(Reader *self, PyObject *args, PyObject *keywds)
+static PyObject* Reader_wait(Reader *self, PyObject *args)
{
int r;
- int64_t timeout = 0LL;
+ int64_t timeout;
- if (!PyArg_ParseTuple(args, "|L:_Reader.wait", &timeout))
+ if (!PyArg_ParseTuple(args, "|L:wait", &timeout))
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);
Py_END_ALLOW_THREADS
if (set_error(r, NULL, NULL) < 0)
return NULL;
const char *cursor;
int r;
- if (!PyArg_ParseTuple(args, "s:_Reader.seek_cursor", &cursor))
+ if (!PyArg_ParseTuple(args, "s:seek_cursor", &cursor))
return NULL;
Py_BEGIN_ALLOW_THREADS
}
+PyDoc_STRVAR(Reader_get_cursor__doc__,
+ "get_cursor() -> str\n\n"
+ "Return a cursor string for the current journal entry.\n\n"
+ "Wraps sd_journal_get_cursor(). See man:sd_journal_get_cursor(3).");
+static PyObject* Reader_get_cursor(Reader *self, PyObject *args)
+{
+ char _cleanup_free_ *cursor = NULL;
+ int r;
+
+ assert(self);
+ assert(!args);
+
+ r = sd_journal_get_cursor(self->j, &cursor);
+ if (set_error(r, NULL, NULL))
+ return NULL;
+
+ return unicode_FromString(cursor);
+}
+
+
+PyDoc_STRVAR(Reader_test_cursor__doc__,
+ "test_cursor(str) -> bool\n\n"
+ "Test whether the cursor string matches current journal entry.\n\n"
+ "Wraps sd_journal_test_cursor(). See man:sd_journal_test_cursor(3).");
+static PyObject* Reader_test_cursor(Reader *self, PyObject *args)
+{
+ const char *cursor;
+ int r;
+
+ assert(self);
+ assert(args);
+
+ if (!PyArg_ParseTuple(args, "s:test_cursor", &cursor))
+ return NULL;
+
+ r = sd_journal_test_cursor(self->j, cursor);
+ set_error(r, NULL, NULL);
+ if (r < 0)
+ return NULL;
+
+ return PyBool_FromLong(r);
+}
+
+
static PyObject* Reader_iter(PyObject *self)
{
Py_INCREF(self);
size_t uniq_len;
PyObject *value_set, *key, *value;
- if (!PyArg_ParseTuple(args, "s:_Reader.query_unique", &query))
+ if (!PyArg_ParseTuple(args, "s:query_unique", &query))
return NULL;
Py_BEGIN_ALLOW_THREADS
PyDoc_STRVAR(Reader_get_catalog__doc__,
"get_catalog() -> str\n\n"
"Retrieve a message catalog entry for the current journal entry.\n"
+ "Will throw IndexError if the entry has no MESSAGE_ID\n"
+ "and KeyError is the id is specified, but hasn't been found\n"
+ "in the catalog.\n\n"
"Wraps man:sd_journal_get_catalog(3).");
static PyObject* Reader_get_catalog(Reader *self, PyObject *args)
{
Py_BEGIN_ALLOW_THREADS
r = sd_journal_get_catalog(self->j, &msg);
Py_END_ALLOW_THREADS
- if (set_error(r, NULL, NULL))
+ if (r == -ENOENT) {
+ const void* mid;
+ size_t mid_len;
+
+ r = sd_journal_get_data(self->j, "MESSAGE_ID", &mid, &mid_len);
+ if (r == 0) {
+ const int l = sizeof("MESSAGE_ID");
+ assert(mid_len > l);
+ PyErr_Format(PyExc_KeyError, "%.*s", (int) mid_len - l,
+ (const char*) mid + l);
+ } else if (r == -ENOENT)
+ PyErr_SetString(PyExc_IndexError, "no MESSAGE_ID field");
+ else
+ set_error(r, NULL, NULL);
+ return NULL;
+ } else if (set_error(r, NULL, NULL))
return NULL;
return unicode_FromString(msg);
{"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_usage", (PyCFunction) Reader_get_usage, METH_NOARGS, Reader_get_usage__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__},
+ {"next", (PyCFunction) Reader_next, METH_VARARGS, Reader_next__doc__},
+ {"get", (PyCFunction) Reader_get, METH_VARARGS, Reader_get__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__},
+ {"get_realtime", (PyCFunction) Reader_get_realtime, METH_NOARGS, Reader_get_realtime__doc__},
+ {"get_monotonic", (PyCFunction) Reader_get_monotonic, METH_NOARGS, Reader_get_monotonic__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_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__},
+ {"get_cursor", (PyCFunction) Reader_get_cursor, METH_NOARGS, Reader_get_cursor__doc__},
+ {"test_cursor", (PyCFunction) Reader_test_cursor, METH_VARARGS, Reader_test_cursor__doc__},
{"query_unique", (PyCFunction) Reader_query_unique, METH_VARARGS, Reader_query_unique__doc__},
{"get_catalog", (PyCFunction) Reader_get_catalog, METH_NOARGS, Reader_get_catalog__doc__},
{NULL} /* Sentinel */
};
static PyMethodDef methods[] = {
- { "get_catalog", get_catalog, METH_VARARGS, get_catalog__doc__},
+ { "_get_catalog", get_catalog, METH_VARARGS, get_catalog__doc__},
{ NULL, NULL, 0, NULL } /* Sentinel */
};
~ianmdlvl / elogind.git / blobdiff