-/*-*- Mode: C; c-basic-offset: 8; 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;
-} 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;
-
- 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(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;
-
- 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;
- }
-
- 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(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 fd;
-
- 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;
-
- r = sd_journal_reliable_fd(self->j);
- if (set_error(r, NULL, NULL) < 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;
-
- r = sd_journal_get_events(self->j);
- if (set_error(r, NULL, NULL) < 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;
- uint64_t t;
-
- r = sd_journal_get_timeout(self->j, &t);
- if (set_error(r, NULL, NULL) < 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);
- if (set_error(r, NULL, NULL) < 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) < 0)
- 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, NULL);
-}
-
-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);
- else if (skip == -1LL)
- r = sd_journal_previous(self->j);
- else if (skip > 1LL)
- r = sd_journal_next_skip(self->j, skip);
- else if (skip < -1LL)
- r = sd_journal_previous_skip(self->j, -skip);
- else
- assert_not_reached("should not be here");
- Py_END_ALLOW_THREADS
-
- if (set_error(r, NULL, NULL) < 0)
- return NULL;
- return PyBool_FromLong(r);
-}
-
-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;
-
- 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;
- }
-
- 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;
- }
- if (set_error(r, NULL, "field name is not valid") < 0)
- 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;
- int r;
-
- dict = PyDict_New();
- if (!dict)
- return NULL;
-
- SD_JOURNAL_FOREACH_DATA(self->j, msg, msg_len) {
- _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)) {
- PyObject *cur_value = PyDict_GetItem(dict, key);
-
- if (PyList_CheckExact(cur_value)) {
- 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 {
- r = PyDict_SetItem(dict, key, value);
- if (r < 0)
- goto error;
- }
- }
-
- return dict;
-
-error:
- Py_DECREF(dict);
- return NULL;
-}
-
-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;
-
- assert(self);
- assert(!args);
-
- r = sd_journal_get_realtime_usec(self->j, ×tamp);
- if (set_error(r, NULL, NULL) < 0)
- return NULL;
-
- assert_cc(sizeof(unsigned long long) == sizeof(timestamp));
- return PyLong_FromUnsignedLongLong(timestamp);
-}
-
-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) < 0)
- 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
- tuple = PyTuple_New(2);
-#endif
- 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
- PyTuple_SET_ITEM(tuple, 0, monotonic);
- PyTuple_SET_ITEM(tuple, 1, bootid);
-#endif
-
- return tuple;
-}
-
-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);
- if (set_error(r, NULL, "Invalid match") < 0)
- return NULL;
-
- Py_RETURN_NONE;
-}
-
-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 (set_error(r, NULL, NULL) < 0)
- return NULL;
- 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);
- if (set_error(r, NULL, NULL) < 0)
- return NULL;
- Py_RETURN_NONE;
-}
-
-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(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) < 0)
- return NULL;
-
- Py_RETURN_NONE;
-}
-
-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) < 0)
- return NULL;
- Py_RETURN_NONE;
-}
-
-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 (set_error(r, NULL, NULL) < 0)
- return NULL;
-
- Py_RETURN_NONE;
-}
-
-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 (!PyArg_ParseTuple(args, "K|z:seek_monotonic", ×tamp, &bootid))
- return NULL;
-
- if (bootid) {
- r = sd_id128_from_string(bootid, &id);
- if (set_error(r, NULL, "Invalid bootid") < 0)
- return NULL;
- } else {
- Py_BEGIN_ALLOW_THREADS
- r = sd_id128_get_boot(&id);
- Py_END_ALLOW_THREADS
-
- if (set_error(r, NULL, NULL) < 0)
- return NULL;
- }
-
- Py_BEGIN_ALLOW_THREADS
- r = sd_journal_seek_monotonic_usec(self->j, id, timestamp);
- Py_END_ALLOW_THREADS
-
- if (set_error(r, NULL, NULL) < 0)
- return NULL;
-
- Py_RETURN_NONE;
-}
-
-
-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) {
- 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;
- 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(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;
- int r;
-
- if (!PyArg_ParseTuple(args, "s:seek_cursor", &cursor))
- return NULL;
-
- Py_BEGIN_ALLOW_THREADS
- r = sd_journal_seek_cursor(self->j, cursor);
- Py_END_ALLOW_THREADS
-
- if (set_error(r, NULL, "Invalid cursor") < 0)
- return NULL;
-
- Py_RETURN_NONE;
-}
-
-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) {
- _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) < 0)
- 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);
- if (set_error(r, NULL, NULL) < 0)
- return NULL;
-
- return PyBool_FromLong(r);
-}
-
-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;
- int r;
- const void *uniq;
- size_t uniq_len;
- PyObject *value_set, *key, *value;
-
- if (!PyArg_ParseTuple(args, "s:query_unique", &query))
- return NULL;
-
- Py_BEGIN_ALLOW_THREADS
- r = sd_journal_query_unique(self->j, query);
- Py_END_ALLOW_THREADS
-
- if (set_error(r, NULL, "Invalid field name") < 0)
- return NULL;
-
- value_set = PySet_New(0);
- 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));
- PySet_Add(value_set, value);
- Py_DECREF(value);
- }
-
- Py_DECREF(key);
- return value_set;
-}
-
-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;
- }
-
- if (set_error(r, NULL, NULL) < 0)
- 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(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") < 0)
- 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) < 0)
- 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;
- int r;
-
- r = sd_journal_get_data_threshold(self->j, &cvalue);
- if (set_error(r, NULL, NULL) < 0)
- return NULL;
-
- return long_FromSize_t(cvalue);
-}
-
-static int Reader_set_data_threshold(Reader *self, PyObject *value, void *closure) {
- int r;
-
- if (value == NULL) {
- PyErr_SetString(PyExc_AttributeError, "Cannot delete data threshold");
- return -1;
- }
-
- if (!long_Check(value)){
- PyErr_SetString(PyExc_TypeError, "Data threshold must be an int");
- return -1;
- }
-
- 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 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 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 ReaderType = {
- PyVarObject_HEAD_INIT(NULL, 0)
- .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 module = {
- PyModuleDef_HEAD_INIT,
- "_reader",
- module__doc__,
- -1,
- methods,
-};
-#endif
-
-#if PY_MAJOR_VERSION >= 3
-static bool initialized = false;
-#endif
-
-DISABLE_WARNING_MISSING_PROTOTYPES;
-
-PyMODINIT_FUNC
-#if PY_MAJOR_VERSION >= 3
-PyInit__reader(void)
-#else
-init_reader(void)
-#endif
-{
- PyObject* m;
-
- PyDateTime_IMPORT;
-
- if (PyType_Ready(&ReaderType) < 0)
-#if PY_MAJOR_VERSION >= 3
- return NULL;
-#else
- return;
-#endif
-
-#if PY_MAJOR_VERSION >= 3
- m = PyModule_Create(&module);
- if (m == NULL)
- return NULL;
-
- if (!initialized) {
- PyStructSequence_InitType(&MonotonicType, &Monotonic_desc);
- initialized = true;
- }
-#else
- m = Py_InitModule3("_reader", methods, module__doc__);
- if (m == NULL)
- return;
-#endif
-
- 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
-}
-
-REENABLE_WARNING;
~ianmdlvl / elogind.git / commitdiff