-/*
-_reader - Python module that reads systemd journal similar to journalctl
-Copyright (C) 2012 Steven Hiscocks
-
-This library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
-License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version.
-
-This library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public
-License along with this library; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-#include <systemd/sd-journal.h>
+/*-*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 Steven Hiscocks, Zbigniew Jędrzejewski-Szmek
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
#include <Python.h>
#include <structmember.h>
#include <datetime.h>
+#include <time.h>
+#include <stdio.h>
+
+#include <systemd/sd-journal.h>
+
+#include "pyutil.h"
+#include "macro.h"
+#include "util.h"
+#include "strv.h"
+#include "build.h"
typedef struct {
PyObject_HEAD
sd_journal *j;
-} Journal;
-static PyTypeObject JournalType;
+} Reader;
+static PyTypeObject ReaderType;
+
+
+PyDoc_STRVAR(module__doc__,
+ "Class to reads the systemd journal similar to journalctl.");
+
+
+#if PY_MAJOR_VERSION >= 3
+static PyTypeObject MonotonicType;
+
+PyDoc_STRVAR(MonotonicType__doc__,
+ "A tuple of (timestamp, bootid) for holding monotonic timestamps");
+
+static PyStructSequence_Field MonotonicType_fields[] = {
+ {(char*) "timestamp", (char*) "Time"},
+ {(char*) "bootid", (char*) "Unique identifier of the boot"},
+ {} /* Sentinel */
+};
+
+static PyStructSequence_Desc Monotonic_desc = {
+ (char*) "journal.Monotonic",
+ MonotonicType__doc__,
+ MonotonicType_fields,
+ 2,
+};
+#endif
+
+/**
+ * Convert a Python sequence object into a strv (char**), and
+ * None into a NULL pointer.
+ */
+static int strv_converter(PyObject* obj, void *_result) {
+ char ***result = _result;
+ Py_ssize_t i, len;
+
+ assert(result);
+
+ if (!obj)
+ return 0;
+
+ if (obj == Py_None) {
+ *result = NULL;
+ return 1;
+ }
+
+ if (!PySequence_Check(obj))
+ return 0;
+
+ len = PySequence_Length(obj);
+ *result = new0(char*, len + 1);
+ if (!*result) {
+ set_error(-ENOMEM, NULL, NULL);
+ return 0;
+ }
+
+ for (i = 0; i < len; i++) {
+ PyObject *item;
+#if PY_MAJOR_VERSION >=3 && PY_MINOR_VERSION >= 1
+ int r;
+ PyObject *bytes;
+#endif
+ char *s, *s2;
+
+ item = PySequence_ITEM(obj, i);
+#if PY_MAJOR_VERSION >=3 && PY_MINOR_VERSION >= 1
+ r = PyUnicode_FSConverter(item, &bytes);
+ if (r == 0)
+ goto cleanup;
+
+ s = PyBytes_AsString(bytes);
+#else
+ s = PyString_AsString(item);
+#endif
+ if (!s)
+ goto cleanup;
-static void
-Journal_dealloc(Journal* self)
+ s2 = strdup(s);
+ if (!s2)
+ log_oom();
+
+ (*result)[i] = s2;
+ }
+
+ return 1;
+
+cleanup:
+ strv_free(*result);
+ *result = NULL;
+
+ return 0;
+}
+
+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"
-"Journal instance\n\n"
-"Returns instance of Journal, which allows filtering and return\n"
-"of journal entries.\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"
-"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)
-{
- int flags=SD_JOURNAL_LOCAL_ONLY;
- char *path=NULL;
-
- static char *kwlist[] = {"flags", NULL};
- if (! PyArg_ParseTupleAndKeywords(args, keywds, "|is", kwlist,
- &flags, &path))
- return 1;
+PyDoc_STRVAR(Reader__doc__,
+ "_Reader([flags | path | files]) -> ...\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 opens journal files of\n"
+ "system services and the kernel, and CURRENT_USER opens files\n"
+ "of the current user.\n\n"
+ "Argument `path` is the directory of journal files.\n"
+ "Argument `files` is a list of files. Note that\n"
+ "`flags`, `path`, and `files` 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;
+ char *path = NULL;
+ char **files = NULL;
- int r;
- if (path) {
- r = sd_journal_open_directory(&self->j, path, 0);
- }else{
- Py_BEGIN_ALLOW_THREADS
- r = sd_journal_open(&self->j, flags);
- Py_END_ALLOW_THREADS
- }
- if (r == -EINVAL) {
- PyErr_SetString(PyExc_ValueError, "Invalid flags or path");
+ static const char* const kwlist[] = {"flags", "path", "files", NULL};
+ if (!PyArg_ParseTupleAndKeywords(args, keywds, "|izO&:__init__", (char**) kwlist,
+ &flags, &path, strv_converter, &files))
+ return -1;
+
+ if (!!flags + !!path + !!files > 1) {
+ PyErr_SetString(PyExc_ValueError, "cannot use more than one of flags, path, and files");
return -1;
- }else if (r == -ENOMEM) {
- PyErr_SetString(PyExc_MemoryError, "Not enough memory");
- return 1;
- }else if (r < 0) {
- PyErr_SetString(PyExc_RuntimeError, "Error opening journal");
- return 1;
}
- return 0;
+ if (!flags)
+ flags = SD_JOURNAL_LOCAL_ONLY;
+
+ Py_BEGIN_ALLOW_THREADS
+ if (path)
+ r = sd_journal_open_directory(&self->j, path, 0);
+ else if (files)
+ r = sd_journal_open_files(&self->j, (const char**) files, 0);
+ else
+ r = sd_journal_open(&self->j, flags);
+ Py_END_ALLOW_THREADS
+
+ return set_error(r, path, "Invalid flags or path");
}
-PyDoc_STRVAR(Journal_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)
+
+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)
{
- int64_t skip=1LL;
- if (! PyArg_ParseTuple(args, "|L", &skip))
+ int fd = sd_journal_get_fd(self->j);
+ set_error(fd, NULL, NULL);
+ if (fd < 0)
return NULL;
+ return long_FromLong(fd);
+}
+
+
+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 = sd_journal_reliable_fd(self->j);
+ set_error(r, NULL, NULL);
+ if (r < 0)
+ return NULL;
+ return PyBool_FromLong(r);
+}
+
+PyDoc_STRVAR(Reader_get_events__doc__,
+ "get_events() -> int\n\n"
+ "Returns a mask of poll() events to wait for on the file\n"
+ "descriptor returned by .fileno().\n\n"
+ "See man:sd_journal_get_events(3) for further discussion.");
+static PyObject* Reader_get_events(Reader *self, PyObject *args)
+{
+ int r = sd_journal_get_events(self->j);
+ set_error(r, NULL, NULL);
+ if (r < 0)
+ return NULL;
+ return long_FromLong(r);
+}
+
+
+PyDoc_STRVAR(Reader_get_timeout__doc__,
+ "get_timeout() -> int or None\n\n"
+ "Returns a timeout value for usage in poll(), the time since the\n"
+ "epoch of clock_gettime(2) in microseconds, or None if no timeout\n"
+ "is necessary.\n\n"
+ "The return value must be converted to a relative timeout in\n"
+ "milliseconds if it is to be used as an argument for poll().\n"
+ "See man:sd_journal_get_timeout(3) for further discussion.");
+static PyObject* Reader_get_timeout(Reader *self, PyObject *args)
+{
int r;
- if (skip == 1LL) {
- Py_BEGIN_ALLOW_THREADS
+ uint64_t t;
+
+ r = sd_journal_get_timeout(self->j, &t);
+ set_error(r, NULL, NULL);
+ if (r < 0)
+ return NULL;
+
+ if (t == (uint64_t) -1)
+ Py_RETURN_NONE;
+
+ assert_cc(sizeof(unsigned long long) == sizeof(t));
+ return PyLong_FromUnsignedLongLong(t);
+}
+
+
+PyDoc_STRVAR(Reader_get_timeout_ms__doc__,
+ "get_timeout_ms() -> int\n\n"
+ "Returns a timeout value suitable for usage in poll(), the value\n"
+ "returned by .get_timeout() converted to relative ms, or -1 if\n"
+ "no timeout is necessary.");
+static PyObject* Reader_get_timeout_ms(Reader *self, PyObject *args)
+{
+ int r;
+ uint64_t t;
+
+ r = sd_journal_get_timeout(self->j, &t);
+ set_error(r, NULL, NULL);
+ if (r < 0)
+ return NULL;
+
+ return absolute_timeout(t);
+}
+
+
+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_get_usage__doc__,
+ "get_usage() -> int\n\n"
+ "Returns the total disk space currently used by journal\n"
+ "files (in bytes). If `SD_JOURNAL_LOCAL_ONLY` was\n"
+ "passed when opening the journal this value will only reflect\n"
+ "the size of journal files of the local host, otherwise\n"
+ "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"
+ "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)
+{
+ return Reader_close(self, 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)
+{
+ int64_t skip = 1LL;
+ int r;
+
+ if (!PyArg_ParseTuple(args, "|L:next", &skip))
+ return NULL;
+
+ if (skip == 0LL) {
+ PyErr_SetString(PyExc_ValueError, "skip must be nonzero");
+ return NULL;
+ }
+
+ Py_BEGIN_ALLOW_THREADS
+ if (skip == 1LL)
r = sd_journal_next(self->j);
- Py_END_ALLOW_THREADS
- }else if (skip == -1LL) {
- Py_BEGIN_ALLOW_THREADS
+ else if (skip == -1LL)
r = sd_journal_previous(self->j);
- Py_END_ALLOW_THREADS
- }else if (skip > 1LL) {
- Py_BEGIN_ALLOW_THREADS
+ else if (skip > 1LL)
r = sd_journal_next_skip(self->j, skip);
- Py_END_ALLOW_THREADS
- }else if (skip < -1LL) {
- Py_BEGIN_ALLOW_THREADS
+ else if (skip < -1LL)
r = sd_journal_previous_skip(self->j, -skip);
- Py_END_ALLOW_THREADS
- }else{
- PyErr_SetString(PyExc_ValueError, "Skip number must positive/negative integer");
+ else
+ assert_not_reached("should not be here");
+ Py_END_ALLOW_THREADS
+
+ set_error(r, NULL, NULL);
+ if (r < 0)
return NULL;
- }
+ return PyBool_FromLong(r);
+}
- if (r < 0) {
- PyErr_SetString(PyExc_RuntimeError, "Error getting next message");
+PyDoc_STRVAR(Reader_previous__doc__,
+ "previous([skip]) -> bool\n\n"
+ "Go to the previous log entry. Optional skip value means to \n"
+ "go to the `skip`\\-th previous log entry.\n"
+ "Returns False if at start of file, True otherwise.");
+static PyObject* Reader_previous(Reader *self, PyObject *args)
+{
+ int64_t skip = 1LL;
+ if (!PyArg_ParseTuple(args, "|L:previous", &skip))
return NULL;
- }else if ( r == 0) { //EOF
- return PyDict_New();
+
+ return PyObject_CallMethod((PyObject *)self, (char*) "_next",
+ (char*) "L", -skip);
+}
+
+
+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;
}
- PyObject *dict;
- dict = PyDict_New();
+ 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_all__doc__,
+ "_get_all() -> dict\n\n"
+ "Return dictionary of the current log entry.");
+static PyObject* Reader_get_all(Reader *self, PyObject *args)
+{
+ PyObject *dict;
const void *msg;
size_t msg_len;
- const char *delim_ptr;
- PyObject *key, *value, *cur_value, *tmp_list;
+ int r;
+
+ dict = PyDict_New();
+ if (!dict)
+ return NULL;
SD_JOURNAL_FOREACH_DATA(self->j, msg, msg_len) {
- delim_ptr = memchr(msg, '=', msg_len);
-#if PY_MAJOR_VERSION >=3
- key = PyUnicode_FromStringAndSize(msg, delim_ptr - (const char*) msg);
-#else
- key = PyString_FromStringAndSize(msg, delim_ptr - (const char*) msg);
-#endif
- value = PyBytes_FromStringAndSize(delim_ptr + 1, (const char*) msg + msg_len - (delim_ptr + 1) );
+ _cleanup_Py_DECREF_ PyObject *key = NULL, *value = NULL;
+
+ r = extract(msg, msg_len, &key, &value);
+ if (r < 0)
+ goto error;
+
if (PyDict_Contains(dict, key)) {
- cur_value = PyDict_GetItem(dict, key);
+ PyObject *cur_value = PyDict_GetItem(dict, key);
+
if (PyList_CheckExact(cur_value)) {
- PyList_Append(cur_value, value);
- }else{
- tmp_list = PyList_New(0);
- PyList_Append(tmp_list, cur_value);
- PyList_Append(tmp_list, value);
- PyDict_SetItem(dict, key, tmp_list);
- Py_DECREF(tmp_list);
+ r = PyList_Append(cur_value, value);
+ if (r < 0)
+ goto error;
+ } else {
+ _cleanup_Py_DECREF_ PyObject *tmp_list = PyList_New(0);
+ if (!tmp_list)
+ goto error;
+
+ r = PyList_Append(tmp_list, cur_value);
+ if (r < 0)
+ goto error;
+
+ r = PyList_Append(tmp_list, value);
+ if (r < 0)
+ goto error;
+
+ r = PyDict_SetItem(dict, key, tmp_list);
+ if (r < 0)
+ goto error;
}
- }else{
- PyDict_SetItem(dict, key, value);
+ } else {
+ r = PyDict_SetItem(dict, key, value);
+ if (r < 0)
+ goto error;
}
- Py_DECREF(key);
- Py_DECREF(value);
}
- uint64_t realtime;
- if (sd_journal_get_realtime_usec(self->j, &realtime) == 0) {
- char realtime_str[20];
- sprintf(realtime_str, "%llu", (long long unsigned) realtime);
+ return dict;
-#if PY_MAJOR_VERSION >=3
- key = PyUnicode_FromString("__REALTIME_TIMESTAMP");
-#else
- key = PyString_FromString("__REALTIME_TIMESTAMP");
-#endif
- value = PyBytes_FromString(realtime_str);
- PyDict_SetItem(dict, key, value);
- Py_DECREF(key);
- Py_DECREF(value);
- }
+error:
+ Py_DECREF(dict);
+ return NULL;
+}
- sd_id128_t sd_id;
- uint64_t monotonic;
- if (sd_journal_get_monotonic_usec(self->j, &monotonic, &sd_id) == 0) {
- char monotonic_str[20];
- sprintf(monotonic_str, "%llu", (long long unsigned) monotonic);
-#if PY_MAJOR_VERSION >=3
- key = PyUnicode_FromString("__MONOTONIC_TIMESTAMP");
-#else
- key = PyString_FromString("__MONOTONIC_TIMESTAMP");
-#endif
- value = PyBytes_FromString(monotonic_str);
- PyDict_SetItem(dict, key, value);
- Py_DECREF(key);
- Py_DECREF(value);
- }
+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;
- char *cursor;
- if (sd_journal_get_cursor(self->j, &cursor) > 0) { //Should return 0...
-#if PY_MAJOR_VERSION >=3
- key = PyUnicode_FromString("__CURSOR");
-#else
- key = PyString_FromString("__CURSOR");
-#endif
- value = PyBytes_FromString(cursor);
- PyDict_SetItem(dict, key, value);
- free(cursor);
- Py_DECREF(key);
- Py_DECREF(value);
- }
+ assert(self);
+ assert(!args);
- return dict;
+ r = sd_journal_get_realtime_usec(self->j, ×tamp);
+ if (set_error(r, NULL, NULL))
+ return NULL;
+
+ assert_cc(sizeof(unsigned long long) == sizeof(timestamp));
+ return PyLong_FromUnsignedLongLong(timestamp);
}
-PyDoc_STRVAR(Journal_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)
-{
- int64_t skip=1LL;
- if (! PyArg_ParseTuple(args, "|L", &skip))
- return NULL;
-
- return PyObject_CallMethod((PyObject *)self, "get_next", "L", -skip);
-}
-
-PyDoc_STRVAR(Journal_add_match__doc__,
-"add_match(match, ..., field=value, ...) -> None\n\n"
-"Add a match to filter journal log entries. All matches of different\n"
-"field are combined in logical AND, and matches of the same field\n"
-"are automatically combined in logical OR.\n"
-"Matches can be passed as strings \"field=value\", or keyword\n"
-"arguments field=\"value\".");
-static PyObject *
-Journal_add_match(Journal *self, PyObject *args, PyObject *keywds)
-{
- Py_ssize_t arg_match_len;
- char *arg_match;
- int i, r;
- for (i = 0; i < PySequence_Size(args); i++) {
-#if PY_MAJOR_VERSION >=3
- PyObject *arg;
- arg = PySequence_Fast_GET_ITEM(args, i);
- if (PyUnicode_Check(arg)) {
-#if PY_MINOR_VERSION >=3
- arg_match = PyUnicode_AsUTF8AndSize(arg, &arg_match_len);
-#else
- PyObject *temp;
- temp = PyUnicode_AsUTF8String(arg);
- PyBytes_AsStringAndSize(temp, &arg_match, &arg_match_len);
- Py_DECREF(temp);
-#endif
- }else if (PyBytes_Check(arg)) {
- PyBytes_AsStringAndSize(arg, &arg_match, &arg_match_len);
- }else{
- PyErr_SetString(PyExc_TypeError, "expected bytes or string");
- }
-#else
- PyString_AsStringAndSize(PySequence_Fast_GET_ITEM(args, i), &arg_match, &arg_match_len);
-#endif
- if (PyErr_Occurred())
- return NULL;
- r = sd_journal_add_match(self->j, arg_match, arg_match_len);
- if (r == -EINVAL) {
- PyErr_SetString(PyExc_ValueError, "Invalid match");
- return NULL;
- }else if (r == -ENOMEM) {
- PyErr_SetString(PyExc_MemoryError, "Not enough memory");
- return NULL;
- }else if (r < 0) {
- PyErr_SetString(PyExc_RuntimeError, "Error adding match");
- return NULL;
- }
- }
- if (! keywds)
- Py_RETURN_NONE;
+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;
- PyObject *key, *value;
- Py_ssize_t pos=0, match_key_len, match_value_len;
- int match_len;
- char *match_key, *match_value;
- void *match;
- while (PyDict_Next(keywds, &pos, &key, &value)) {
-#if PY_MAJOR_VERSION >=3
- if (PyUnicode_Check(key)) {
-#if PY_MINOR_VERSION >=3
- match_key = PyUnicode_AsUTF8AndSize(key, &match_key_len);
-#else
- PyObject *temp2;
- temp2 = PyUnicode_AsUTF8String(key);
- PyBytes_AsStringAndSize(temp2, &match_key, &match_key_len);
- Py_DECREF(temp2);
-#endif
- }else if (PyBytes_Check(key)) {
- PyBytes_AsStringAndSize(key, &match_key, &match_key_len);
- }else{
- PyErr_SetString(PyExc_TypeError, "expected bytes or string");
- }
- if (PyUnicode_Check(value)) {
-#if PY_MINOR_VERSION >=3
- match_value = PyUnicode_AsUTF8AndSize(value, &match_value_len);
+ 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
+ tuple = PyStructSequence_New(&MonotonicType);
#else
- PyObject *temp3;
- temp3 = PyUnicode_AsUTF8String(value);
- PyBytes_AsStringAndSize(temp3, &match_value, &match_value_len);
- Py_DECREF(temp3);
+ tuple = PyTuple_New(2);
#endif
- }else if (PyBytes_Check(value)) {
- PyBytes_AsStringAndSize(value, &match_value, &match_value_len);
- }else{
- PyErr_SetString(PyExc_TypeError, "expected bytes or string");
- }
+ if (!monotonic || !bootid || !tuple) {
+ Py_XDECREF(monotonic);
+ Py_XDECREF(bootid);
+ Py_XDECREF(tuple);
+ return NULL;
+ }
+
+#if PY_MAJOR_VERSION >= 3
+ PyStructSequence_SET_ITEM(tuple, 0, monotonic);
+ PyStructSequence_SET_ITEM(tuple, 1, bootid);
#else
- PyString_AsStringAndSize(key, &match_key, &match_key_len);
- PyString_AsStringAndSize(value, &match_value, &match_value_len);
+ PyTuple_SET_ITEM(tuple, 0, monotonic);
+ PyTuple_SET_ITEM(tuple, 1, bootid);
#endif
- if (PyErr_Occurred())
- return NULL;
- match_len = match_key_len + 1 + match_value_len;
- match = malloc(match_len);
- memcpy(match, match_key, match_key_len);
- memcpy(match + match_key_len, "=", 1);
- memcpy(match + match_key_len + 1, match_value, match_value_len);
+ return tuple;
+}
- r = sd_journal_add_match(self->j, match, match_len);
- free(match);
- if (r == -EINVAL) {
- PyErr_SetString(PyExc_ValueError, "Invalid match");
- return NULL;
- }else if (r == -ENOMEM) {
- PyErr_SetString(PyExc_MemoryError, "Not enough memory");
- return NULL;
- }else if (r < 0) {
- PyErr_SetString(PyExc_RuntimeError, "Error adding match");
+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* Reader_add_match(Reader *self, PyObject *args, PyObject *keywds)
+{
+ char *match;
+ int match_len, r;
+ if (!PyArg_ParseTuple(args, "s#:add_match", &match, &match_len))
+ return NULL;
+
+ r = sd_journal_add_match(self->j, match, match_len);
+ set_error(r, NULL, "Invalid match");
+ if (r < 0)
return NULL;
- }
- }
Py_RETURN_NONE;
}
-PyDoc_STRVAR(Journal_add_disjunction__doc__,
-"add_disjunction() -> None\n\n"
-"Once called, all matches before and after are combined in logical\n"
-"OR.");
-static PyObject *
-Journal_add_disjunction(Journal *self, PyObject *args)
+
+PyDoc_STRVAR(Reader_add_disjunction__doc__,
+ "add_disjunction() -> None\n\n"
+ "Inserts a logical OR between matches added since previous\n"
+ "add_disjunction() or add_conjunction() and the next\n"
+ "add_disjunction() or add_conjunction().\n\n"
+ "See man:sd_journal_add_disjunction(3) for explanation.");
+static PyObject* Reader_add_disjunction(Reader *self, PyObject *args)
{
int r;
r = sd_journal_add_disjunction(self->j);
- if (r == -ENOMEM) {
- PyErr_SetString(PyExc_MemoryError, "Not enough memory");
+ set_error(r, NULL, NULL);
+ if (r < 0)
return NULL;
- }else if (r < 0) {
- PyErr_SetString(PyExc_RuntimeError, "Error adding disjunction");
+ Py_RETURN_NONE;
+}
+
+
+PyDoc_STRVAR(Reader_add_conjunction__doc__,
+ "add_conjunction() -> None\n\n"
+ "Inserts a logical AND between matches added since previous\n"
+ "add_disjunction() or add_conjunction() and the next\n"
+ "add_disjunction() or add_conjunction().\n\n"
+ "See man:sd_journal_add_disjunction(3) for explanation.");
+static PyObject* Reader_add_conjunction(Reader *self, PyObject *args)
+{
+ int r;
+ r = sd_journal_add_conjunction(self->j);
+ set_error(r, NULL, NULL);
+ if (r < 0)
return NULL;
- }
Py_RETURN_NONE;
}
-PyDoc_STRVAR(Journal_flush_matches__doc__,
-"flush_matches() -> None\n\n"
-"Clears all current match filters.");
-static PyObject *
-Journal_flush_matches(Journal *self, PyObject *args)
+
+PyDoc_STRVAR(Reader_flush_matches__doc__,
+ "flush_matches() -> None\n\n"
+ "Clear all current match filters.");
+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"
-"Seek through journal by `offset` number of entries. 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)
-{
- int64_t offset;
- int whence=SEEK_SET;
- static char *kwlist[] = {"offset", "whence", NULL};
- if (! PyArg_ParseTupleAndKeywords(args, keywds, "L|i", kwlist,
- &offset, &whence))
+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)
+{
+ 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;
+}
- PyObject *result=NULL;
- if (whence == SEEK_SET){
- int r;
- Py_BEGIN_ALLOW_THREADS
- r = sd_journal_seek_head(self->j);
- Py_END_ALLOW_THREADS
- if (r < 0) {
- PyErr_SetString(PyExc_RuntimeError, "Error seeking to head");
- return NULL;
- }
- if (offset > 0LL) {
- result = PyObject_CallMethod((PyObject *)self, "get_next", "L", offset);
- }
- }else if (whence == SEEK_CUR){
- result = PyObject_CallMethod((PyObject *)self, "get_next", "L", offset);
- }else if (whence == SEEK_END){
- int r;
- Py_BEGIN_ALLOW_THREADS
- r = sd_journal_seek_tail(self->j);
- Py_END_ALLOW_THREADS
- if (r < 0) {
- PyErr_SetString(PyExc_RuntimeError, "Error seeking to tail");
- return NULL;
- }
- if (offset < 0LL) {
- result = PyObject_CallMethod((PyObject *)self, "get_next", "L", offset);
- }else{
- result = PyObject_CallMethod((PyObject *)self, "get_next", "L", -1LL);
- }
- }else{
- PyErr_SetString(PyExc_ValueError, "Invalid value for whence");
- }
- if (result)
- Py_DECREF(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__,
-"seek_realtime(realtime) -> None\n\n"
-"Seek to nearest matching journal entry to `realtime`. Argument\n"
-"`realtime` can be an integer unix timestamp in usecs or a "
-"datetime instance.");
-static PyObject *
-Journal_seek_realtime(Journal *self, PyObject *args)
-{
- PyObject *arg;
- if (! PyArg_ParseTuple(args, "O", &arg))
- return NULL;
-
- uint64_t timestamp=-1LL;
- if (PyDateTime_Check(arg)) {
- PyObject *temp;
- char *timestamp_str;
- temp = PyObject_CallMethod(arg, "strftime", "s", "%s%f");
-#if PY_MAJOR_VERSION >=3
- PyObject *temp2;
- temp2 = PyUnicode_AsUTF8String(temp);
- timestamp_str = PyBytes_AsString(temp2);
- Py_DECREF(temp2);
-#else
- timestamp_str = PyString_AsString(temp);
-#endif
- Py_DECREF(temp);
- timestamp = strtoull(timestamp_str, NULL, 10);
- }else if (PyLong_Check(arg)) {
- timestamp = PyLong_AsUnsignedLongLong(arg);
-#if PY_MAJOR_VERSION <3
- }else if (PyInt_Check(arg)) {
- timestamp = PyInt_AsUnsignedLongLongMask(arg);
-#endif
- }
- if ((int64_t) timestamp < 0LL) {
- PyErr_SetString(PyExc_ValueError, "Time must be positive integer or datetime instance");
- return NULL;
- }
+PyDoc_STRVAR(Reader_seek_realtime__doc__,
+ "seek_realtime(realtime) -> None\n\n"
+ "Seek to nearest matching journal entry to `realtime`. Argument\n"
+ "`realtime` in specified in seconds.");
+static PyObject* Reader_seek_realtime(Reader *self, PyObject *args)
+{
+ uint64_t timestamp;
int r;
+
+ if (!PyArg_ParseTuple(args, "K:seek_realtime", ×tamp))
+ return NULL;
+
Py_BEGIN_ALLOW_THREADS
r = sd_journal_seek_realtime_usec(self->j, timestamp);
Py_END_ALLOW_THREADS
- if (r < 0) {
- PyErr_SetString(PyExc_RuntimeError, "Error seek to time");
+ if (set_error(r, NULL, NULL))
return NULL;
- }
Py_RETURN_NONE;
}
-PyDoc_STRVAR(Journal_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 secs, or a\n"
-"timedelta instance.\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)
-{
- PyObject *arg;
- char *bootid=NULL;
- if (! PyArg_ParseTuple(args, "O|s", &arg, &bootid))
- return NULL;
-
- uint64_t timestamp=-1LL;
- if PyDelta_Check(arg) {
- PyObject *temp;
- temp = PyObject_CallMethod(arg, "total_seconds", NULL);
- timestamp = (uint64_t) (PyFloat_AsDouble(temp) * 1E6);
- Py_DECREF(temp);
- }else if (PyFloat_Check(arg)) {
- timestamp = (uint64_t) (PyFloat_AsDouble(arg) * 1E6);
- }else if (PyLong_Check(arg)) {
- timestamp = PyLong_AsUnsignedLongLong(arg) * (uint64_t) 1E6;
-#if PY_MAJOR_VERSION <3
- }else if (PyInt_Check(arg)) {
- timestamp = PyInt_AsUnsignedLongLongMask(arg) * (uint64_t) 1E6;
-#endif
- }
+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 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)
+{
+ char *bootid = NULL;
+ uint64_t timestamp;
+ sd_id128_t id;
+ int r;
- if ((int64_t) timestamp < 0LL) {
- PyErr_SetString(PyExc_ValueError, "Time must be positive number or timedelta instance");
+ if (!PyArg_ParseTuple(args, "K|z:seek_monotonic", ×tamp, &bootid))
return NULL;
- }
- sd_id128_t sd_id;
- int r;
if (bootid) {
- r = sd_id128_from_string(bootid, &sd_id);
- if (r == -EINVAL) {
- PyErr_SetString(PyExc_ValueError, "Invalid bootid");
- return NULL;
- } else if (r < 0) {
- PyErr_SetString(PyExc_RuntimeError, "Error processing bootid");
+ r = sd_id128_from_string(bootid, &id);
+ if (set_error(r, NULL, "Invalid bootid"))
return NULL;
- }
- }else{
- r = sd_id128_get_boot(&sd_id);
- if (r == -EIO) {
- PyErr_SetString(PyExc_IOError, "Error getting current boot ID");
- return NULL;
- } else if (r < 0) {
- PyErr_SetString(PyExc_RuntimeError, "Error getting current boot ID");
+ } else {
+ Py_BEGIN_ALLOW_THREADS
+ r = sd_id128_get_boot(&id);
+ Py_END_ALLOW_THREADS
+ if (set_error(r, NULL, NULL))
return NULL;
- }
}
Py_BEGIN_ALLOW_THREADS
- r = sd_journal_seek_monotonic_usec(self->j, sd_id, timestamp);
+ r = sd_journal_seek_monotonic_usec(self->j, id, timestamp);
Py_END_ALLOW_THREADS
- if (r < 0) {
- PyErr_SetString(PyExc_RuntimeError, "Error seek to time");
+ if (set_error(r, NULL, NULL))
return NULL;
- }
+
Py_RETURN_NONE;
}
-
-PyDoc_STRVAR(Journal_wait__doc__,
-"wait([timeout]) -> Change state (integer)\n\n"
-"Waits until there is a change in the journal. Argument `timeout`\n"
-"is the maximum number of seconds to wait before returning\n"
-"regardless if journal has changed. If `timeout` is not given or is\n"
-"0, then it will block forever.\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)
+
+
+PyDoc_STRVAR(Reader_process__doc__,
+ "process() -> state change (integer)\n\n"
+ "Process events and reset the readable state of the file\n"
+ "descriptor returned by .fileno().\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.\n\n"
+ "See man:sd_journal_process(3) for further discussion.");
+static PyObject* Reader_process(Reader *self, PyObject *args)
{
- int64_t timeout=0LL;
- if (! PyArg_ParseTuple(args, "|L", &timeout))
+ int r;
+
+ assert(!args);
+
+ Py_BEGIN_ALLOW_THREADS
+ r = sd_journal_process(self->j);
+ Py_END_ALLOW_THREADS
+ if (set_error(r, NULL, NULL) < 0)
return NULL;
+ return long_FromLong(r);
+}
+
+
+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 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.\n\n"
+ "See man:sd_journal_wait(3) for further discussion.");
+static PyObject* Reader_wait(Reader *self, PyObject *args)
+{
int r;
- if ( timeout == 0LL) {
- Py_BEGIN_ALLOW_THREADS
- r = sd_journal_wait(self->j, (uint64_t) -1);
- Py_END_ALLOW_THREADS
- }else{
- Py_BEGIN_ALLOW_THREADS
- r = sd_journal_wait(self->j, timeout * 1E6);
- Py_END_ALLOW_THREADS
- }
-#if PY_MAJOR_VERSION >=3
- return PyLong_FromLong(r);
-#else
- return PyInt_FromLong(r);
-#endif
+ int64_t timeout;
+
+ if (!PyArg_ParseTuple(args, "|L:wait", &timeout))
+ return NULL;
+
+ Py_BEGIN_ALLOW_THREADS
+ r = sd_journal_wait(self->j, timeout);
+ Py_END_ALLOW_THREADS
+ if (set_error(r, NULL, NULL) < 0)
+ return NULL;
+
+ return long_FromLong(r);
}
-PyDoc_STRVAR(Journal_seek_cursor__doc__,
-"seek_cursor(cursor) -> None\n\n"
-"Seeks to journal entry by given unique reference `cursor`.");
-static PyObject *
-Journal_seek_cursor(Journal *self, PyObject *args)
+
+PyDoc_STRVAR(Reader_seek_cursor__doc__,
+ "seek_cursor(cursor) -> None\n\n"
+ "Seek to journal entry by given unique reference `cursor`.");
+static PyObject* Reader_seek_cursor(Reader *self, PyObject *args)
{
const char *cursor;
- if (! PyArg_ParseTuple(args, "s", &cursor))
+ int r;
+
+ if (!PyArg_ParseTuple(args, "s:seek_cursor", &cursor))
return NULL;
- int r;
Py_BEGIN_ALLOW_THREADS
r = sd_journal_seek_cursor(self->j, cursor);
Py_END_ALLOW_THREADS
- if (r == -EINVAL) {
- PyErr_SetString(PyExc_ValueError, "Invalid cursor");
- return NULL;
- }else if (r == -ENOMEM) {
- PyErr_SetString(PyExc_MemoryError, "Not enough memory");
+ if (set_error(r, NULL, "Invalid cursor"))
return NULL;
- }else if (r < 0) {
- PyErr_SetString(PyExc_RuntimeError, "Error seeking to cursor");
- return NULL;
- }
Py_RETURN_NONE;
}
-static PyObject *
-Journal_iter(PyObject *self)
+
+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)
{
- Py_INCREF(self);
- return self;
+ _cleanup_free_ char *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);
}
-static PyObject *
-Journal_iternext(PyObject *self)
+
+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)
{
- PyObject *dict;
- Py_ssize_t dict_size;
+ const char *cursor;
+ int r;
- dict = PyObject_CallMethod(self, "get_next", "");
- dict_size = PyDict_Size(dict);
- if ((int64_t) dict_size > 0LL) {
- return dict;
- }else{
- Py_DECREF(dict);
- PyErr_SetNone(PyExc_StopIteration);
+ 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);
}
-#ifdef SD_JOURNAL_FOREACH_UNIQUE
-PyDoc_STRVAR(Journal_query_unique__doc__,
-"query_unique(field) -> a set of values\n\n"
-"Returns a set of unique values in journal for given `field`.\n"
-"Note this does not respect any journal matches.");
-static PyObject *
-Journal_query_unique(Journal *self, PyObject *args)
+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* Reader_query_unique(Reader *self, PyObject *args)
{
char *query;
- if (! PyArg_ParseTuple(args, "s", &query))
+ int r;
+ const void *uniq;
+ size_t uniq_len;
+ PyObject *value_set, *key, *value;
+
+ if (!PyArg_ParseTuple(args, "s:query_unique", &query))
return NULL;
- int r;
Py_BEGIN_ALLOW_THREADS
r = sd_journal_query_unique(self->j, query);
Py_END_ALLOW_THREADS
- if (r == -EINVAL) {
- PyErr_SetString(PyExc_ValueError, "Invalid field name");
- return NULL;
- } else if (r == -ENOMEM) {
- PyErr_SetString(PyExc_MemoryError, "Not enough memory");
- return NULL;
- } else if (r < 0) {
- PyErr_SetString(PyExc_RuntimeError, "Error querying journal");
+ if (set_error(r, NULL, "Invalid field name"))
return NULL;
- }
- const void *uniq;
- size_t uniq_len;
- const char *delim_ptr;
- PyObject *value_set, *key, *value;
value_set = PySet_New(0);
-
-#if PY_MAJOR_VERSION >=3
- key = PyUnicode_FromString(query);
-#else
- key = PyString_FromString(query);
-#endif
+ key = unicode_FromString(query);
SD_JOURNAL_FOREACH_UNIQUE(self->j, uniq, uniq_len) {
+ const char *delim_ptr;
+
delim_ptr = memchr(uniq, '=', uniq_len);
- value = PyBytes_FromStringAndSize(delim_ptr + 1, (const char*) uniq + uniq_len - (delim_ptr + 1));
+ value = PyBytes_FromStringAndSize(
+ delim_ptr + 1,
+ (const char*) uniq + uniq_len - (delim_ptr + 1));
PySet_Add(value_set, value);
Py_DECREF(value);
}
Py_DECREF(key);
return value_set;
}
-#endif //def SD_JOURNAL_FOREACH_UNIQUE
-static PyObject *
-Journal_get_data_threshold(Journal *self, void *closure)
+
+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)
+{
+ int r;
+ _cleanup_free_ char *msg = NULL;
+
+ assert(self);
+ assert(!args);
+
+ Py_BEGIN_ALLOW_THREADS
+ r = sd_journal_get_catalog(self->j, &msg);
+ Py_END_ALLOW_THREADS
+ 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 size_t 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);
+}
+
+
+PyDoc_STRVAR(get_catalog__doc__,
+ "get_catalog(id128) -> str\n\n"
+ "Retrieve a message catalog entry for the given id.\n"
+ "Wraps man:sd_journal_get_catalog_for_message_id(3).");
+static PyObject* get_catalog(PyObject *self, PyObject *args)
+{
+ int r;
+ char *id_ = NULL;
+ sd_id128_t id;
+ _cleanup_free_ char *msg = NULL;
+
+ assert(!self);
+ assert(args);
+
+ if (!PyArg_ParseTuple(args, "z:get_catalog", &id_))
+ return NULL;
+
+ r = sd_id128_from_string(id_, &id);
+ if (set_error(r, NULL, "Invalid id128"))
+ return NULL;
+
+ Py_BEGIN_ALLOW_THREADS
+ r = sd_journal_get_catalog_for_message_id(id, &msg);
+ Py_END_ALLOW_THREADS
+ if (set_error(r, NULL, NULL))
+ return NULL;
+
+ return unicode_FromString(msg);
+}
+
+
+PyDoc_STRVAR(data_threshold__doc__,
+ "Threshold for field size truncation in bytes.\n\n"
+ "Fields longer than this will be truncated to the threshold size.\n"
+ "Defaults to 64Kb.");
+
+static PyObject* Reader_get_data_threshold(Reader *self, void *closure)
{
size_t cvalue;
- PyObject *value;
int r;
r = sd_journal_get_data_threshold(self->j, &cvalue);
- if (r < 0){
- PyErr_SetString(PyExc_RuntimeError, "Error getting data threshold");
+ if (set_error(r, NULL, NULL))
return NULL;
- }
-#if PY_MAJOR_VERSION >=3
- value = PyLong_FromSize_t(cvalue);
-#else
- value = PyInt_FromSize_t(cvalue);
-#endif
- return value;
+ 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) {
- PyErr_SetString(PyExc_TypeError, "Cannot delete data threshold");
+ PyErr_SetString(PyExc_AttributeError, "Cannot delete data threshold");
return -1;
}
-#if PY_MAJOR_VERSION >=3
- if (! PyLong_Check(value)){
-#else
- if (! PyInt_Check(value)){
-#endif
- PyErr_SetString(PyExc_TypeError, "Data threshold must be int");
+ if (!long_Check(value)){
+ PyErr_SetString(PyExc_TypeError, "Data threshold must be an int");
return -1;
}
- int r;
-#if PY_MAJOR_VERSION >=3
- r = sd_journal_set_data_threshold(self->j, (size_t) PyLong_AsLong(value));
-#else
- r = sd_journal_set_data_threshold(self->j, (size_t) PyInt_AsLong(value));
-#endif
- if (r < 0){
- PyErr_SetString(PyExc_RuntimeError, "Error setting data threshold");
- return -1;
- }
- return 0;
+ r = sd_journal_set_data_threshold(self->j, (size_t) long_AsLong(value));
+ return set_error(r, NULL, NULL);
+}
+
+
+PyDoc_STRVAR(closed__doc__,
+ "True iff journal is closed");
+static PyObject* Reader_get_closed(Reader *self, void *closure)
+{
+ return PyBool_FromLong(self->j == NULL);
}
-static PyGetSetDef Journal_getseters[] = {
- {"data_threshold",
- (getter)Journal_get_data_threshold,
- (setter)Journal_set_data_threshold,
- "data threshold",
- NULL},
- {NULL}
+
+static PyGetSetDef Reader_getsetters[] = {
+ {(char*) "data_threshold",
+ (getter) Reader_get_data_threshold,
+ (setter) Reader_set_data_threshold,
+ (char*) data_threshold__doc__,
+ NULL},
+ {(char*) "closed",
+ (getter) Reader_get_closed,
+ NULL,
+ (char*) closed__doc__,
+ NULL},
+ {} /* Sentinel */
};
-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__},
-#ifdef SD_JOURNAL_FOREACH_UNIQUE
- {"query_unique", (PyCFunction)Journal_query_unique, METH_VARARGS,
- Journal_query_unique__doc__},
-#endif
- {NULL} /* Sentinel */
+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__},
+ {"get_events", (PyCFunction) Reader_get_events, METH_NOARGS, Reader_get_events__doc__},
+ {"get_timeout", (PyCFunction) Reader_get_timeout, METH_NOARGS, Reader_get_timeout__doc__},
+ {"get_timeout_ms", (PyCFunction) Reader_get_timeout_ms, METH_NOARGS, Reader_get_timeout_ms__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__},
+ {"_next", (PyCFunction) Reader_next, METH_VARARGS, Reader_next__doc__},
+ {"_previous", (PyCFunction) Reader_previous, METH_VARARGS, Reader_previous__doc__},
+ {"_get", (PyCFunction) Reader_get, METH_VARARGS, Reader_get__doc__},
+ {"_get_all", (PyCFunction) Reader_get_all, METH_NOARGS, Reader_get_all__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__},
+ {"add_conjunction", (PyCFunction) Reader_add_conjunction, METH_NOARGS, Reader_add_conjunction__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__},
+ {"process", (PyCFunction) Reader_process, METH_NOARGS, Reader_process__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__},
+ {} /* Sentinel */
};
-static PyTypeObject JournalType = {
+static PyTypeObject ReaderType = {
PyVarObject_HEAD_INIT(NULL, 0)
- "_reader.Journal", /*tp_name*/
- sizeof(Journal), /*tp_basicsize*/
- 0, /*tp_itemsize*/
- (destructor)Journal_dealloc, /*tp_dealloc*/
- 0, /*tp_print*/
- 0, /*tp_getattr*/
- 0, /*tp_setattr*/
- 0, /*tp_compare*/
- 0, /*tp_repr*/
- 0, /*tp_as_number*/
- 0, /*tp_as_sequence*/
- 0, /*tp_as_mapping*/
- 0, /*tp_hash */
- 0, /*tp_call*/
- 0, /*tp_str*/
- 0, /*tp_getattro*/
- 0, /*tp_setattro*/
- 0, /*tp_as_buffer*/
- Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,/*tp_flags*/
- Journal__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 */
- 0, /* tp_members */
- Journal_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 */
- 0, /* tp_alloc */
- PyType_GenericNew, /* tp_new */
+ .tp_name = "_reader._Reader",
+ .tp_basicsize = sizeof(Reader),
+ .tp_dealloc = (destructor) Reader_dealloc,
+ .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+ .tp_doc = Reader__doc__,
+ .tp_methods = Reader_methods,
+ .tp_getset = Reader_getsetters,
+ .tp_init = (initproc) Reader_init,
+ .tp_new = PyType_GenericNew,
+};
+
+static PyMethodDef methods[] = {
+ { "_get_catalog", get_catalog, METH_VARARGS, get_catalog__doc__},
+ {} /* Sentinel */
};
#if PY_MAJOR_VERSION >= 3
-static PyModuleDef _reader_module = {
+static PyModuleDef module = {
PyModuleDef_HEAD_INIT,
"_reader",
- "Module that reads systemd journal similar to journalctl.",
+ module__doc__,
-1,
- NULL, NULL, NULL, NULL, NULL
+ methods,
};
#endif
+#if PY_MAJOR_VERSION >= 3
+static bool initialized = false;
+#endif
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmissing-prototypes"
+
PyMODINIT_FUNC
#if PY_MAJOR_VERSION >= 3
PyInit__reader(void)
#else
-init_reader(void)
+init_reader(void)
#endif
{
PyObject* m;
PyDateTime_IMPORT;
- if (PyType_Ready(&JournalType) < 0)
+ if (PyType_Ready(&ReaderType) < 0)
#if PY_MAJOR_VERSION >= 3
return NULL;
#else
#endif
#if PY_MAJOR_VERSION >= 3
- m = PyModule_Create(&_reader_module);
+ m = PyModule_Create(&module);
if (m == NULL)
return NULL;
+
+ if (!initialized) {
+ PyStructSequence_InitType(&MonotonicType, &Monotonic_desc);
+ initialized = true;
+ }
#else
- m = Py_InitModule3("_reader", NULL,
- "Module that reads systemd journal similar to journalctl.");
+ m = Py_InitModule3("_reader", methods, module__doc__);
if (m == NULL)
return;
#endif
- Py_INCREF(&JournalType);
- PyModule_AddObject(m, "_Journal", (PyObject *)&JournalType);
- PyModule_AddIntConstant(m, "NOP", SD_JOURNAL_NOP);
- PyModule_AddIntConstant(m, "APPEND", SD_JOURNAL_APPEND);
- PyModule_AddIntConstant(m, "INVALIDATE", SD_JOURNAL_INVALIDATE);
- PyModule_AddIntConstant(m, "LOCAL_ONLY", SD_JOURNAL_LOCAL_ONLY);
- PyModule_AddIntConstant(m, "RUNTIME_ONLY", SD_JOURNAL_RUNTIME_ONLY);
- PyModule_AddIntConstant(m, "SYSTEM_ONLY", SD_JOURNAL_SYSTEM_ONLY);
+ Py_INCREF(&ReaderType);
+#if PY_MAJOR_VERSION >= 3
+ Py_INCREF(&MonotonicType);
+#endif
+ if (PyModule_AddObject(m, "_Reader", (PyObject *) &ReaderType) ||
+#if PY_MAJOR_VERSION >= 3
+ PyModule_AddObject(m, "Monotonic", (PyObject*) &MonotonicType) ||
+#endif
+ PyModule_AddIntConstant(m, "NOP", SD_JOURNAL_NOP) ||
+ PyModule_AddIntConstant(m, "APPEND", SD_JOURNAL_APPEND) ||
+ PyModule_AddIntConstant(m, "INVALIDATE", SD_JOURNAL_INVALIDATE) ||
+ PyModule_AddIntConstant(m, "LOCAL_ONLY", SD_JOURNAL_LOCAL_ONLY) ||
+ PyModule_AddIntConstant(m, "RUNTIME_ONLY", SD_JOURNAL_RUNTIME_ONLY) ||
+ PyModule_AddIntConstant(m, "SYSTEM", SD_JOURNAL_SYSTEM) ||
+ PyModule_AddIntConstant(m, "SYSTEM_ONLY", SD_JOURNAL_SYSTEM_ONLY) ||
+ PyModule_AddIntConstant(m, "CURRENT_USER", SD_JOURNAL_CURRENT_USER) ||
+ PyModule_AddStringConstant(m, "__version__", PACKAGE_VERSION)) {
+#if PY_MAJOR_VERSION >= 3
+ Py_DECREF(m);
+ return NULL;
+#endif
+ }
#if PY_MAJOR_VERSION >= 3
return m;
#endif
}
+
+#pragma GCC diagnostic pop