/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrokdecode project.
*
* Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
*
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "sigrokdecode.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */
-#include "sigrokdecode-internal.h"
-#include "config.h"
+#include <config.h>
+#include "libsigrokdecode-internal.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */
+#include "libsigrokdecode.h"
-/* lives in type_logic.c */
-extern PyTypeObject srd_logic_type;
+/** @cond PRIVATE */
+/*
+ * When initialized, a reference to this module inside the Python interpreter
+ * lives here.
+ */
+SRD_PRIV PyObject *mod_sigrokdecode = NULL;
-static int convert_pyobj(struct srd_decoder_instance *di, PyObject *obj,
- int *ann_format, char ***ann)
-{
- PyObject *py_tmp;
- struct srd_pd_output *pdo;
- int ann_id;
-
- /* Should be a list of [annotation format, [string, ...]] */
- if (!PyList_Check(obj) && !PyTuple_Check(obj)) {
- srd_err("Protocol decoder %s submitted %s instead of list",
- di->decoder->name, obj->ob_type->tp_name);
- return SRD_ERR_PYTHON;
- }
-
- /* Should have 2 elements... */
- if (PyList_Size(obj) != 2) {
- srd_err("Protocol decoder %s submitted annotation list with %d elements instead of 2",
- di->decoder->name, PyList_Size(obj));
- return SRD_ERR_PYTHON;
- }
-
- /* First element should be an integer matching a previously
- * registered annotation format. */
- py_tmp = PyList_GetItem(obj, 0);
- if (!PyLong_Check(py_tmp)) {
- srd_err("Protocol decoder %s submitted annotation list, but first element was not an integer",
- di->decoder->name);
- return SRD_ERR_PYTHON;
- }
-
- ann_id = PyLong_AsLong(py_tmp);
- if (!(pdo = g_slist_nth_data(di->decoder->annotation, ann_id))) {
- srd_err("Protocol decoder %s submitted data to non-existent annotation format %d",
- di->decoder->name, ann_id);
- return SRD_ERR_PYTHON;
- }
- *ann_format = ann_id;
-
- /* Second element must be a list */
- py_tmp = PyList_GetItem(obj, 1);
- if (!PyList_Check(py_tmp)) {
- srd_err("Protocol decoder %s submitted annotation list, but second element was not a list",
- di->decoder->name);
- return SRD_ERR_PYTHON;
- }
- if (py_strlist_to_char(py_tmp, ann) != SRD_OK) {
- srd_err("Protocol decoder %s submitted annotation list, but second element was malformed",
- di->decoder->name);
- return SRD_ERR_PYTHON;
- }
-
- return SRD_OK;
-}
-
-static PyObject *Decoder_put(PyObject *self, PyObject *args)
-{
- GSList *l;
- PyObject *data, *py_res;
- struct srd_decoder_instance *di, *next_di;
- struct srd_pd_output *pdo;
- struct srd_proto_data *pdata;
- uint64_t start_sample, end_sample;
- int output_id;
- void (*cb)();
-
- if (!(di = get_di_by_decobject(self)))
- return NULL;
-
- if (!PyArg_ParseTuple(args, "KKiO", &start_sample, &end_sample, &output_id, &data))
- return NULL;
-
- if (!(l = g_slist_nth(di->pd_output, output_id))) {
- srd_err("Protocol decoder %s submitted invalid output ID %d",
- di->decoder->name, output_id);
- return NULL;
- }
- pdo = l->data;
-
- if (!(pdata = g_try_malloc0(sizeof(struct srd_proto_data))))
- return NULL;
- pdata->start_sample = start_sample;
- pdata->end_sample = end_sample;
- pdata->pdo = pdo;
-
- switch (pdo->output_type) {
- case SRD_OUTPUT_ANN:
- /* Annotations are only fed to callbacks. */
- if ((cb = srd_find_callback(pdo->output_type))) {
- /* Annotations need converting from PyObject. */
- if (convert_pyobj(di, data, &pdata->ann_format,
- (char ***)&pdata->data) != SRD_OK) {
- /* An error was already logged. */
- break;
- }
- cb(pdata);
- }
- break;
- case SRD_OUTPUT_PROTO:
- for (l = di->next_di; l; l = l->next) {
- next_di = l->data;
- /* TODO: is this needed? */
- Py_XINCREF(next_di->py_instance);
- if (!(py_res = PyObject_CallMethod(next_di->py_instance, "decode",
- "KKO", start_sample, end_sample, data))) {
- if (PyErr_Occurred())
- PyErr_Print();
- }
- Py_XDECREF(py_res);
- }
- break;
- case SRD_OUTPUT_BINARY:
- srd_err("SRD_OUTPUT_BINARY not yet supported");
- break;
- default:
- srd_err("Protocol decoder %s submitted invalid output type %d",
- di->decoder->name, pdo->output_type);
- break;
- }
-
- g_free(pdata);
-
- Py_RETURN_NONE;
-}
-
-
-static PyObject *Decoder_add(PyObject *self, PyObject *args)
-{
- PyObject *ret;
- struct srd_decoder_instance *di;
- char *proto_id;
- int output_type, pdo_id;
-
- if (!(di = get_di_by_decobject(self))) {
- srd_err("%s():%d decoder instance not found", __func__, __LINE__);
- PyErr_SetString(PyExc_Exception, "decoder instance not found");
- return NULL;
- }
-
- if (!PyArg_ParseTuple(args, "is", &output_type, &proto_id)) {
- if (PyErr_Occurred())
- PyErr_Print();
- return NULL;
- }
-
- pdo_id = pd_add(di, output_type, proto_id);
- if (pdo_id < 0)
- Py_RETURN_NONE;
- else
- ret = Py_BuildValue("i", pdo_id);
-
- return ret;
-}
-
-static PyMethodDef no_methods[] = { {NULL, NULL, 0, NULL} };
-static PyMethodDef Decoder_methods[] = {
- {"put", Decoder_put, METH_VARARGS,
- "Accepts a dictionary with the following keys: time, duration, data"},
- {"add", Decoder_add, METH_VARARGS, "Create a new output stream"},
- {NULL, NULL, 0, NULL}
-};
-
-
-typedef struct {
- PyObject_HEAD
-} sigrok_Decoder_object;
-
-static PyTypeObject srd_Decoder_type = {
- PyVarObject_HEAD_INIT(NULL, 0)
- .tp_name = "sigrokdecode.Decoder",
- .tp_basicsize = sizeof(sigrok_Decoder_object),
- .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
- .tp_doc = "Sigrok Decoder object",
- .tp_methods = Decoder_methods,
-};
+/** @endcond */
static struct PyModuleDef sigrokdecode_module = {
PyModuleDef_HEAD_INIT,
.m_name = "sigrokdecode",
- .m_doc = "sigrokdecode base class",
+ .m_doc = "sigrokdecode module",
.m_size = -1,
- .m_methods = no_methods,
};
+/** @cond PRIVATE */
PyMODINIT_FUNC PyInit_sigrokdecode(void)
{
- PyObject *mod;
+ PyObject *mod, *Decoder_type;
+ PyGILState_STATE gstate;
- /* tp_new needs to be assigned here for compiler portability */
- srd_Decoder_type.tp_new = PyType_GenericNew;
- if (PyType_Ready(&srd_Decoder_type) < 0)
- return NULL;
-
- srd_logic_type.tp_new = PyType_GenericNew;
- if (PyType_Ready(&srd_logic_type) < 0)
- return NULL;
+ gstate = PyGILState_Ensure();
mod = PyModule_Create(&sigrokdecode_module);
- Py_INCREF(&srd_Decoder_type);
- if (PyModule_AddObject(mod, "Decoder", (PyObject *)&srd_Decoder_type) == -1)
- return NULL;
- Py_INCREF(&srd_logic_type);
- if (PyModule_AddObject(mod, "srd_logic", (PyObject *)&srd_logic_type) == -1)
- return NULL;
-
- /* expose output types as symbols in the sigrokdecode module */
- if(PyModule_AddObject(mod, "SRD_OUTPUT_ANN",
- PyLong_FromLong(SRD_OUTPUT_ANN)) == -1)
- return NULL;
- if(PyModule_AddObject(mod, "SRD_OUTPUT_PROTO",
- PyLong_FromLong(SRD_OUTPUT_PROTO)) == -1)
- return NULL;
- if(PyModule_AddObject(mod, "SRD_OUTPUT_BINARY",
- PyLong_FromLong(SRD_OUTPUT_BINARY)) == -1)
- return NULL;
+ if (!mod)
+ goto err_out;
+
+ Decoder_type = srd_Decoder_type_new();
+ if (!Decoder_type)
+ goto err_out;
+ if (PyModule_AddObject(mod, "Decoder", Decoder_type) < 0)
+ goto err_out;
+
+ /* Expose output types as symbols in the sigrokdecode module */
+ if (PyModule_AddIntConstant(mod, "OUTPUT_ANN", SRD_OUTPUT_ANN) < 0)
+ goto err_out;
+ if (PyModule_AddIntConstant(mod, "OUTPUT_PYTHON", SRD_OUTPUT_PYTHON) < 0)
+ goto err_out;
+ if (PyModule_AddIntConstant(mod, "OUTPUT_BINARY", SRD_OUTPUT_BINARY) < 0)
+ goto err_out;
+ if (PyModule_AddIntConstant(mod, "OUTPUT_META", SRD_OUTPUT_META) < 0)
+ goto err_out;
+ /* Expose meta input symbols. */
+ if (PyModule_AddIntConstant(mod, "SRD_CONF_SAMPLERATE", SRD_CONF_SAMPLERATE) < 0)
+ goto err_out;
+
+ mod_sigrokdecode = mod;
+
+ PyGILState_Release(gstate);
return mod;
-}
+err_out:
+ Py_XDECREF(mod);
+ srd_exception_catch("Failed to initialize module");
+ PyGILState_Release(gstate);
+ return NULL;
+}
+/** @endcond */
projects / libsigrokdecode.git / blobdiff