diff options
| -rw-r--r-- | src/python-systemd/_reader.c | 107 |
1 files changed, 103 insertions, 4 deletions
diff --git a/src/python-systemd/_reader.c b/src/python-systemd/_reader.c index 3b36634e7b..fd423b32dc 100644 --- a/src/python-systemd/_reader.c +++ b/src/python-systemd/_reader.c @@ -22,6 +22,7 @@ #include <Python.h> #include <structmember.h> #include <datetime.h> +#include <time.h> #include <stdio.h> #include <systemd/sd-journal.h> @@ -132,8 +133,7 @@ PyDoc_STRVAR(Reader_fileno__doc__, "See man:sd_journal_get_fd(3)."); static PyObject* Reader_fileno(Reader *self, PyObject *args) { - int fd; - fd = sd_journal_get_fd(self->j); + int fd = sd_journal_get_fd(self->j); set_error(fd, NULL, NULL); if (fd < 0) return NULL; @@ -148,8 +148,7 @@ PyDoc_STRVAR(Reader_reliable_fd__doc__, "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); + int r = sd_journal_reliable_fd(self->j); set_error(r, NULL, NULL); if (r < 0) return NULL; @@ -157,6 +156,78 @@ static PyObject* Reader_reliable_fd(Reader *self, PyObject *args) } +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; + 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; + + if (t == (uint64_t) -1) + return PyLong_FromLong(-1); + else { + struct timespec ts; + uint64_t n; + int msec; + + clock_gettime(CLOCK_MONOTONIC, &ts); + n = (uint64_t) ts.tv_sec * 1000000 + ts.tv_nsec / 1000; + msec = t > n ? (int) ((t - n + 999) / 1000) : 0; + + return PyLong_FromLong(msec); + } +} + + PyDoc_STRVAR(Reader_close__doc__, "close() -> None\n\n" "Free resources allocated by this Reader object.\n" @@ -620,6 +691,30 @@ static PyObject* Reader_seek_monotonic(Reader *self, PyObject *args) } +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" @@ -905,6 +1000,9 @@ static PyGetSetDef Reader_getsetters[] = { 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__}, @@ -922,6 +1020,7 @@ static PyMethodDef Reader_methods[] = { {"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__}, |