diff options
Diffstat (limited to 'src/python-systemd')
-rw-r--r-- | src/python-systemd/_reader.c | 137 |
1 files changed, 42 insertions, 95 deletions
diff --git a/src/python-systemd/_reader.c b/src/python-systemd/_reader.c index b754014e9b..65ca06b97f 100644 --- a/src/python-systemd/_reader.c +++ b/src/python-systemd/_reader.c @@ -30,6 +30,20 @@ typedef struct { } Journal; static PyTypeObject JournalType; +static int set_error(int r, const char* path, const char* invalid_message) { + if (r >= 0) + return r; + if (r == -EINVAL && invalid_message) + PyErr_SetString(PyExc_ValueError, invalid_message); + else if (r == -ENOMEM) + PyErr_SetString(PyExc_MemoryError, "Not enough memory"); + else { + errno = -r; + PyErr_SetFromErrnoWithFilename(PyExc_OSError, path); + } + return 1; +} + static void Journal_dealloc(Journal* self) { @@ -69,16 +83,8 @@ Journal_init(Journal *self, PyObject *args, PyObject *keywds) r = sd_journal_open(&self->j, flags); } Py_END_ALLOW_THREADS - if (r < 0) { - errno = -r; - PyObject *errtype = r == -EINVAL ? PyExc_ValueError : - r == -ENOMEM ? PyExc_MemoryError : - PyExc_OSError; - PyErr_SetFromErrnoWithFilename(errtype, path); - return -1; - } - return 0; + return set_error(r, path, "Invalid flags or path"); } PyDoc_STRVAR(Journal_get_next__doc__, @@ -110,13 +116,11 @@ Journal_get_next(Journal *self, PyObject *args) } Py_END_ALLOW_THREADS - if (r < 0) { - errno = -r; - PyErr_SetFromErrno(PyExc_OSError); + set_error(r, NULL, NULL); + if (r < 0) return NULL; - }else if ( r == 0) { //EOF + else if (r == 0) /* EOF */ return PyDict_New(); - } PyObject *dict; dict = PyDict_New(); @@ -232,14 +236,9 @@ Journal_add_match(Journal *self, PyObject *args, PyObject *keywds) int r; r = sd_journal_add_match(self->j, match, match_len); - if (r < 0) { - errno = -r; - PyObject *errtype = r == -EINVAL ? PyExc_ValueError : - r == -ENOMEM ? PyExc_MemoryError : - PyExc_OSError; - PyErr_SetFromErrno(errtype); - return NULL; - } + set_error(r, NULL, "Invalid match"); + if (r < 0) + return NULL; Py_RETURN_NONE; } @@ -253,13 +252,9 @@ Journal_add_disjunction(Journal *self, PyObject *args) { int r; r = sd_journal_add_disjunction(self->j); - if (r < 0) { - errno = -r; - PyObject *errtype = r == -ENOMEM ? PyExc_MemoryError : - PyExc_OSError; - PyErr_SetFromErrno(errtype); + set_error(r, NULL, NULL); + if (r < 0) return NULL; - } Py_RETURN_NONE; } @@ -297,11 +292,9 @@ Journal_seek(Journal *self, PyObject *args, PyObject *keywds) Py_BEGIN_ALLOW_THREADS r = sd_journal_seek_head(self->j); Py_END_ALLOW_THREADS - if (r < 0) { - errno = -r; - PyErr_SetFromErrno(PyExc_OSError); + if (set_error(r, NULL, NULL)) return NULL; - } + if (offset > 0LL) { result = PyObject_CallMethod((PyObject *)self, "get_next", "L", offset); } @@ -312,11 +305,9 @@ Journal_seek(Journal *self, PyObject *args, PyObject *keywds) Py_BEGIN_ALLOW_THREADS r = sd_journal_seek_tail(self->j); Py_END_ALLOW_THREADS - if (r < 0) { - errno = -r; - PyErr_SetFromErrno(PyExc_OSError); + if (set_error(r, NULL, NULL)) return NULL; - } + if (offset < 0LL) { result = PyObject_CallMethod((PyObject *)self, "get_next", "L", offset); }else{ @@ -355,11 +346,8 @@ Journal_seek_realtime(Journal *self, PyObject *args) Py_BEGIN_ALLOW_THREADS r = sd_journal_seek_realtime_usec(self->j, timestamp); Py_END_ALLOW_THREADS - if (r < 0) { - errno = -r; - PyErr_SetFromErrno(PyExc_OSError); + if (set_error(r, NULL, NULL)) return NULL; - } Py_RETURN_NONE; } @@ -389,37 +377,24 @@ Journal_seek_monotonic(Journal *self, PyObject *args) int r; if (bootid) { r = sd_id128_from_string(bootid, &sd_id); - if (r == -EINVAL) { - PyErr_SetString(PyExc_ValueError, "Invalid bootid"); + if (set_error(r, NULL, "Invalid bootid")) return NULL; - }else if (r < 0) { - errno = -r; - PyErr_SetFromErrno(PyExc_OSError); - return NULL; - } - }else{ + } else { + Py_BEGIN_ALLOW_THREADS 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) { - errno = -r; - PyErr_SetFromErrno(PyExc_OSError); + 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); Py_END_ALLOW_THREADS - if (r < 0) { - errno = -r; - PyErr_SetFromErrno(PyExc_OSError); + 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" @@ -438,19 +413,11 @@ Journal_wait(Journal *self, PyObject *args, PyObject *keywds) int r; Py_BEGIN_ALLOW_THREADS - if ( timeout == 0LL) { - r = sd_journal_wait(self->j, (uint64_t) -1); - }else{ - r = sd_journal_wait(self->j, timeout * 1E6); - } + r = sd_journal_wait(self->j, timeout ==0 ? (uint64_t) -1 : timeout * 1E6); Py_END_ALLOW_THREADS - if (r < 0) { - errno = -r; - PyObject *errtype = r == -ENOMEM ? PyExc_MemoryError : - PyExc_OSError; - PyErr_SetFromErrno(errtype); + if (set_error(r, NULL, NULL)) return NULL; - } + #if PY_MAJOR_VERSION >=3 return PyLong_FromLong(r); #else @@ -472,14 +439,8 @@ Journal_seek_cursor(Journal *self, PyObject *args) Py_BEGIN_ALLOW_THREADS r = sd_journal_seek_cursor(self->j, cursor); Py_END_ALLOW_THREADS - if (r < 0) { - errno = -r; - PyObject *errtype = r == -EINVAL ? PyExc_ValueError : - r == -ENOMEM ? PyExc_MemoryError : - PyExc_OSError; - PyErr_SetFromErrno(errtype); + if (set_error(r, NULL, "Invalid cursor")) return NULL; - } Py_RETURN_NONE; } @@ -524,14 +485,8 @@ Journal_query_unique(Journal *self, PyObject *args) Py_BEGIN_ALLOW_THREADS r = sd_journal_query_unique(self->j, query); Py_END_ALLOW_THREADS - if (r < 0) { - errno = -r; - PyObject *errtype = r == -EINVAL ? PyExc_ValueError : - r == -ENOMEM ? PyExc_MemoryError : - PyExc_OSError; - PyErr_SetFromErrno(errtype); + if (set_error(r, NULL, "Invalid field name")) return NULL; - } const void *uniq; size_t uniq_len; @@ -563,11 +518,8 @@ Journal_get_data_threshold(Journal *self, void *closure) int r; r = sd_journal_get_data_threshold(self->j, &cvalue); - if (r < 0) { - errno = -r; - PyErr_SetFromErrno(PyExc_OSError); + if (set_error(r, NULL, NULL)) return NULL; - } #if PY_MAJOR_VERSION >=3 value = PyLong_FromSize_t(cvalue); @@ -598,12 +550,7 @@ Journal_set_data_threshold(Journal *self, PyObject *value, void *closure) #else r = sd_journal_set_data_threshold(self->j, (size_t) PyInt_AsLong(value)); #endif - if (r < 0) { - errno = -r; - PyErr_SetFromErrno(PyExc_OSError); - return -1; - } - return 0; + return set_error(r, NULL, NULL); } static PyGetSetDef Journal_getseters[] = { |