diff options
Diffstat (limited to 'src/python-systemd/_journal.c')
-rw-r--r-- | src/python-systemd/_journal.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/python-systemd/_journal.c b/src/python-systemd/_journal.c new file mode 100644 index 0000000000..0bdf709aea --- /dev/null +++ b/src/python-systemd/_journal.c @@ -0,0 +1,141 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2012 David Strauss + + 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 <alloca.h> + +#define SD_JOURNAL_SUPPRESS_LOCATION +#include <systemd/sd-journal.h> + +PyDoc_STRVAR(journal_sendv__doc__, + "sendv('FIELD=value', 'FIELD=value', ...) -> None\n\n" + "Send an entry to the journal." +); + +static PyObject *journal_sendv(PyObject *self, PyObject *args) { + struct iovec *iov = NULL; + int argc; + int i, r; + PyObject *ret = NULL; + PyObject **encoded; + + /* Allocate an array for the argument strings */ + argc = PyTuple_Size(args); + encoded = alloca(argc * sizeof(PyObject*)); + memset(encoded, 0, argc * sizeof(PyObject*)); + + /* Allocate sufficient iovector space for the arguments. */ + iov = alloca(argc * sizeof(struct iovec)); + + /* Iterate through the Python arguments and fill the iovector. */ + for (i = 0; i < argc; ++i) { + PyObject *item = PyTuple_GetItem(args, i); + char *stritem; + Py_ssize_t length; + + if (PyUnicode_Check(item)) { + encoded[i] = PyUnicode_AsEncodedString(item, "utf-8", "strict"); + if (encoded[i] == NULL) + goto out; + item = encoded[i]; + } + if (PyBytes_AsStringAndSize(item, &stritem, &length)) + goto out; + + iov[i].iov_base = stritem; + iov[i].iov_len = length; + } + + /* Send the iovector to the journal. */ + r = sd_journal_sendv(iov, argc); + if (r < 0) { + errno = -r; + PyErr_SetFromErrno(PyExc_IOError); + goto out; + } + + /* End with success. */ + Py_INCREF(Py_None); + ret = Py_None; + +out: + for (i = 0; i < argc; ++i) + Py_XDECREF(encoded[i]); + + return ret; +} + +PyDoc_STRVAR(journal_stream_fd__doc__, + "stream_fd(identifier, priority, level_prefix) -> fd\n\n" + "Open a stream to journal by calling sd_journal_stream_fd(3)." +); + +static PyObject* journal_stream_fd(PyObject *self, PyObject *args) { + const char* identifier; + int priority, level_prefix; + int fd; + + if (!PyArg_ParseTuple(args, "sii:stream_fd", + &identifier, &priority, &level_prefix)) + return NULL; + + fd = sd_journal_stream_fd(identifier, priority, level_prefix); + if (fd < 0) { + errno = -fd; + return PyErr_SetFromErrno(PyExc_IOError); + } + + return PyLong_FromLong(fd); +} + +static PyMethodDef methods[] = { + { "sendv", journal_sendv, METH_VARARGS, journal_sendv__doc__ }, + { "stream_fd", journal_stream_fd, METH_VARARGS, journal_stream_fd__doc__ }, + { NULL, NULL, 0, NULL } /* Sentinel */ +}; + +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wmissing-prototypes" + +#if PY_MAJOR_VERSION < 3 + +PyMODINIT_FUNC init_journal(void) { + (void) Py_InitModule("_journal", methods); +} + +#else + +static struct PyModuleDef module = { + PyModuleDef_HEAD_INIT, + "_journal", /* name of module */ + NULL, /* module documentation, may be NULL */ + 0, /* size of per-interpreter state of the module */ + methods +}; + +PyMODINIT_FUNC PyInit__journal(void) { + return PyModule_Create(&module); +} + +#endif + +#pragma GCC diagnostic pop |