"OUTPUT_ANN",
"OUTPUT_PYTHON",
"OUTPUT_BINARY",
+ "OUTPUT_META",
};
static int convert_annotation(struct srd_decoder_inst *di, PyObject *obj,
return SRD_OK;
}
+static int convert_binary(struct srd_decoder_inst *di, PyObject *obj,
+ struct srd_proto_data *pdata)
+{
+ struct srd_proto_data_binary *pdb;
+ PyObject *py_tmp;
+ Py_ssize_t size;
+ int bin_class;
+ char *class_name, *buf;
+
+ /* Should be a tuple of (binary class, bytes). */
+ if (!PyTuple_Check(obj)) {
+ srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY with "
+ "%s instead of tuple.", di->decoder->name,
+ obj->ob_type->tp_name);
+ return SRD_ERR_PYTHON;
+ }
+
+ /* Should have 2 elements. */
+ if (PyTuple_Size(obj) != 2) {
+ srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY tuple "
+ "with %d elements instead of 2", di->decoder->name,
+ PyList_Size(obj));
+ return SRD_ERR_PYTHON;
+ }
+
+ /* The first element should be an integer. */
+ py_tmp = PyTuple_GetItem(obj, 0);
+ if (!PyLong_Check(py_tmp)) {
+ srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY tuple, "
+ "but first element was not an integer.", di->decoder->name);
+ return SRD_ERR_PYTHON;
+ }
+ bin_class = PyLong_AsLong(py_tmp);
+ if (!(class_name = g_slist_nth_data(di->decoder->binary, bin_class))) {
+ srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY with "
+ "unregistered binary class %d.", di->decoder->name, bin_class);
+ return SRD_ERR_PYTHON;
+ }
+
+ /* Second element should be bytes. */
+ py_tmp = PyTuple_GetItem(obj, 1);
+ if (!PyBytes_Check(py_tmp)) {
+ srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY tuple, "
+ "but second element was not bytes.", di->decoder->name);
+ return SRD_ERR_PYTHON;
+ }
+
+ /* Consider an empty set of bytes a bug. */
+ if (PyBytes_Size(py_tmp) == 0) {
+ srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY "
+ "with empty data set.", di->decoder->name);
+ return SRD_ERR_PYTHON;
+ }
+
+ if (!(pdb = g_try_malloc(sizeof(struct srd_proto_data_binary))))
+ return SRD_ERR_MALLOC;
+ if (PyBytes_AsStringAndSize(py_tmp, &buf, &size) == -1)
+ return SRD_ERR_PYTHON;
+ pdb->bin_class = bin_class;
+ pdb->size = size;
+ if (!(pdb->data = g_try_malloc(pdb->size)))
+ return SRD_ERR_MALLOC;
+ memcpy((void *)pdb->data, (const void *)buf, pdb->size);
+ pdata->data = pdb;
+
+ return SRD_OK;
+}
+
+static int convert_meta(struct srd_proto_data *pdata, PyObject *obj)
+{
+ long long intvalue;
+ double dvalue;
+
+ if (pdata->pdo->meta_type == G_VARIANT_TYPE_INT64) {
+ if (!PyLong_Check(obj)) {
+ PyErr_Format(PyExc_TypeError, "This output was registered "
+ "as 'int', but '%s' was passed.", obj->ob_type->tp_name);
+ return SRD_ERR_PYTHON;
+ }
+ intvalue = PyLong_AsLongLong(obj);
+ if (PyErr_Occurred())
+ return SRD_ERR_PYTHON;
+ pdata->data = g_variant_new_int64(intvalue);
+ } else if (pdata->pdo->meta_type == G_VARIANT_TYPE_DOUBLE) {
+ if (!PyFloat_Check(obj)) {
+ PyErr_Format(PyExc_TypeError, "This output was registered "
+ "as 'float', but '%s' was passed.", obj->ob_type->tp_name);
+ return SRD_ERR_PYTHON;
+ }
+ dvalue = PyFloat_AsDouble(obj);
+ if (PyErr_Occurred())
+ return SRD_ERR_PYTHON;
+ pdata->data = g_variant_new_double(dvalue);
+ }
+
+ return SRD_OK;
+}
+
static PyObject *Decoder_put(PyObject *self, PyObject *args)
{
GSList *l;
case SRD_OUTPUT_ANN:
/* Annotations are only fed to callbacks. */
if ((cb = srd_pd_output_callback_find(di->sess, pdo->output_type))) {
- /* Annotations need converting from PyObject. */
+ /* Convert from PyDict to srd_proto_data_annotation. */
if (convert_annotation(di, py_data, pdata) != SRD_OK) {
/* An error was already logged. */
break;
}
break;
case SRD_OUTPUT_BINARY:
- srd_err("SRD_OUTPUT_BINARY not yet supported.");
+ if ((cb = srd_pd_output_callback_find(di->sess, pdo->output_type))) {
+ /* Convert from PyDict to srd_proto_data_binary. */
+ if (convert_binary(di, py_data, pdata) != SRD_OK) {
+ /* An error was already logged. */
+ break;
+ }
+ cb->cb(pdata, cb->cb_data);
+ }
+ break;
+ case SRD_OUTPUT_META:
+ if ((cb = srd_pd_output_callback_find(di->sess, pdo->output_type))) {
+ /* Annotations need converting from PyObject. */
+ if (convert_meta(pdata, py_data) != SRD_OK) {
+ /* An exception was already set up. */
+ break;
+ }
+ cb->cb(pdata, cb->cb_data);
+ }
break;
default:
srd_err("Protocol decoder %s submitted invalid output type %d.",
Py_RETURN_NONE;
}
-static PyObject *Decoder_add(PyObject *self, PyObject *args)
+static PyObject *Decoder_register(PyObject *self, PyObject *args,
+ PyObject *kwargs)
{
- PyObject *ret;
struct srd_decoder_inst *di;
- char *proto_id;
- int output_type, pdo_id;
+ struct srd_pd_output *pdo;
+ PyObject *py_new_output_id;
+ PyTypeObject *meta_type_py;
+ const GVariantType *meta_type_gv;
+ int output_type;
+ char *proto_id, *meta_name, *meta_descr;
+ char *keywords[] = {"output_type", "proto_id", "meta", NULL};
+
+ meta_type_py = NULL;
+ meta_type_gv = NULL;
+ meta_name = meta_descr = NULL;
if (!(di = srd_inst_find_by_obj(NULL, self))) {
PyErr_SetString(PyExc_Exception, "decoder instance not found");
return NULL;
}
- if (!PyArg_ParseTuple(args, "is", &output_type, &proto_id)) {
+ /* Default to instance id, which defaults to class id. */
+ proto_id = di->inst_id;
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|s(Oss)", keywords,
+ &output_type, &proto_id,
+ &meta_type_py, &meta_name, &meta_descr)) {
/* Let Python raise this exception. */
return NULL;
}
- pdo_id = srd_inst_pd_output_add(di, output_type, proto_id);
- if (pdo_id < 0)
- Py_RETURN_NONE;
- else
- ret = Py_BuildValue("i", pdo_id);
+ /* Check if the meta value's type is supported. */
+ if (output_type == SRD_OUTPUT_META) {
+ if (meta_type_py == &PyLong_Type)
+ meta_type_gv = G_VARIANT_TYPE_INT64;
+ else if (meta_type_py == &PyFloat_Type)
+ meta_type_gv = G_VARIANT_TYPE_DOUBLE;
+ else {
+ PyErr_Format(PyExc_TypeError, "Unsupported type '%s'.",
+ meta_type_py->tp_name);
+ return NULL;
+ }
+ }
+
+ srd_dbg("Instance %s creating new output type %d for %s.",
+ di->inst_id, output_type, proto_id);
+
+ if (!(pdo = g_try_malloc(sizeof(struct srd_pd_output)))) {
+ PyErr_SetString(PyExc_MemoryError, "struct srd_pd_output");
+ return NULL;
+ }
+
+ /* pdo_id is just a simple index, nothing is deleted from this list anyway. */
+ pdo->pdo_id = g_slist_length(di->pd_output);
+ pdo->output_type = output_type;
+ pdo->di = di;
+ pdo->proto_id = g_strdup(proto_id);
+
+ if (output_type == SRD_OUTPUT_META) {
+ pdo->meta_type = meta_type_gv;
+ pdo->meta_name = g_strdup(meta_name);
+ pdo->meta_descr = g_strdup(meta_descr);
+ }
+
+ di->pd_output = g_slist_append(di->pd_output, pdo);
+ py_new_output_id = Py_BuildValue("i", pdo->pdo_id);
+
+ return py_new_output_id;
+}
+
+/* TODO: this is just a stub that calls _register() until all PDs
+ * are changed to use the new register API. */
+static PyObject *Decoder_add(PyObject *self, PyObject *args)
+{
+ PyObject *py_keywords, *py_new_output_id;
+
+ py_keywords = PyDict_New();
+ py_new_output_id = Decoder_register(self, args, py_keywords);
+ Py_DecRef(py_keywords);
- return ret;
+ return py_new_output_id;
}
static PyMethodDef Decoder_methods[] = {
{"put", Decoder_put, METH_VARARGS,
"Accepts a dictionary with the following keys: startsample, endsample, data"},
{"add", Decoder_add, METH_VARARGS, "Create a new output stream"},
+ {"register", (PyCFunction)Decoder_register, METH_VARARGS|METH_KEYWORDS,
+ "Register a new output stream"},
{NULL, NULL, 0, NULL}
};
projects / libsigrokdecode.git / blobdiff