struct srd_proto_data_annotation *pda;
int ann_class;
char **ann_text;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
/* Should be a list of [annotation class, [string, ...]]. */
if (!PyList_Check(obj)) {
srd_err("Protocol decoder %s submitted an annotation that"
" is not a list", di->decoder->name);
- return SRD_ERR_PYTHON;
+ goto err;
}
/* Should have 2 elements. */
srd_err("Protocol decoder %s submitted annotation list with "
"%zd elements instead of 2", di->decoder->name,
PyList_Size(obj));
- return SRD_ERR_PYTHON;
+ goto err;
}
/*
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;
+ goto err;
}
ann_class = PyLong_AsLong(py_tmp);
if (!(pdo = g_slist_nth_data(di->decoder->annotations, ann_class))) {
srd_err("Protocol decoder %s submitted data to unregistered "
"annotation class %d.", di->decoder->name, ann_class);
- return SRD_ERR_PYTHON;
+ goto err;
}
/* Second element must be a list. */
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;
+ goto err;
}
if (py_strseq_to_char(py_tmp, &ann_text) != SRD_OK) {
srd_err("Protocol decoder %s submitted annotation list, but "
"second element was malformed.", di->decoder->name);
- return SRD_ERR_PYTHON;
+ goto err;
}
pda = g_malloc(sizeof(struct srd_proto_data_annotation));
pda->ann_text = ann_text;
pdata->data = pda;
+ PyGILState_Release(gstate);
+
return SRD_OK;
+
+err:
+ PyGILState_Release(gstate);
+
+ return SRD_ERR_PYTHON;
}
static int convert_binary(struct srd_decoder_inst *di, PyObject *obj,
Py_ssize_t size;
int bin_class;
char *class_name, *buf;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
/* Should be a list of [binary class, bytes]. */
if (!PyList_Check(obj)) {
srd_err("Protocol decoder %s submitted non-list for SRD_OUTPUT_BINARY.",
di->decoder->name);
- return SRD_ERR_PYTHON;
+ goto err;
}
/* Should have 2 elements. */
srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY list "
"with %zd elements instead of 2", di->decoder->name,
PyList_Size(obj));
- return SRD_ERR_PYTHON;
+ goto err;
}
/* The first element should be an integer. */
if (!PyLong_Check(py_tmp)) {
srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY list, "
"but first element was not an integer.", di->decoder->name);
- return SRD_ERR_PYTHON;
+ goto err;
}
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;
+ goto err;
}
/* Second element should be bytes. */
if (!PyBytes_Check(py_tmp)) {
srd_err("Protocol decoder %s submitted SRD_OUTPUT_BINARY list, "
"but second element was not bytes.", di->decoder->name);
- return SRD_ERR_PYTHON;
+ goto err;
}
/* 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;
+ goto err;
}
pdb = g_malloc(sizeof(struct srd_proto_data_binary));
if (PyBytes_AsStringAndSize(py_tmp, &buf, &size) == -1)
- return SRD_ERR_PYTHON;
+ goto err;
+
+ PyGILState_Release(gstate);
+
pdb->bin_class = bin_class;
pdb->size = size;
if (!(pdb->data = g_try_malloc(pdb->size)))
pdata->data = pdb;
return SRD_OK;
+
+err:
+ PyGILState_Release(gstate);
+
+ return SRD_ERR_PYTHON;
}
static int convert_meta(struct srd_proto_data *pdata, PyObject *obj)
{
long long intvalue;
double dvalue;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
if (pdata->pdo->meta_type == G_VARIANT_TYPE_INT64) {
if (!PyLong_Check(obj)) {
PyErr_Format(PyExc_TypeError, "This output was registered "
"as 'int', but something else was passed.");
- return SRD_ERR_PYTHON;
+ goto err;
}
intvalue = PyLong_AsLongLong(obj);
if (PyErr_Occurred())
- return SRD_ERR_PYTHON;
+ goto err;
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 something else was passed.");
- return SRD_ERR_PYTHON;
+ goto err;
}
dvalue = PyFloat_AsDouble(obj);
if (PyErr_Occurred())
- return SRD_ERR_PYTHON;
+ goto err;
pdata->data = g_variant_new_double(dvalue);
}
+ PyGILState_Release(gstate);
+
return SRD_OK;
+
+err:
+ PyGILState_Release(gstate);
+
+ return SRD_ERR_PYTHON;
}
static PyObject *Decoder_put(PyObject *self, PyObject *args)
PyObject *py_data, *py_res;
struct srd_decoder_inst *di, *next_di;
struct srd_pd_output *pdo;
- struct srd_proto_data *pdata;
+ struct srd_proto_data pdata;
uint64_t start_sample, end_sample;
int output_id;
struct srd_pd_callback *cb;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
if (!(di = srd_inst_find_by_obj(NULL, self))) {
/* Shouldn't happen. */
srd_dbg("put(): self instance not found.");
- return NULL;
+ goto err;
}
if (!PyArg_ParseTuple(args, "KKiO", &start_sample, &end_sample,
* Python raise it. This results in a much better trace in
* controller.c on the decode() method call.
*/
- return NULL;
+ goto err;
}
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;
+ goto err;
}
pdo = l->data;
di->inst_id, start_sample, end_sample,
output_type_name(pdo->output_type), output_id);
- pdata = g_malloc0(sizeof(struct srd_proto_data));
- pdata->start_sample = start_sample;
- pdata->end_sample = end_sample;
- pdata->pdo = pdo;
+ pdata.start_sample = start_sample;
+ pdata.end_sample = end_sample;
+ pdata.pdo = pdo;
+ pdata.data = NULL;
switch (pdo->output_type) {
case SRD_OUTPUT_ANN:
/* Annotations are only fed to callbacks. */
if ((cb = srd_pd_output_callback_find(di->sess, pdo->output_type))) {
/* Convert from PyDict to srd_proto_data_annotation. */
- if (convert_annotation(di, py_data, pdata) != SRD_OK) {
+ if (convert_annotation(di, py_data, &pdata) != SRD_OK) {
/* An error was already logged. */
break;
}
- cb->cb(pdata, cb->cb_data);
+ Py_BEGIN_ALLOW_THREADS
+ cb->cb(&pdata, cb->cb_data);
+ Py_END_ALLOW_THREADS
}
break;
case SRD_OUTPUT_PYTHON:
if ((cb = srd_pd_output_callback_find(di->sess, pdo->output_type))) {
/* Frontends aren't really supposed to get Python
* callbacks, but it's useful for testing. */
- pdata->data = py_data;
- cb->cb(pdata, cb->cb_data);
+ pdata.data = py_data;
+ cb->cb(&pdata, cb->cb_data);
}
break;
case SRD_OUTPUT_BINARY:
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) {
+ if (convert_binary(di, py_data, &pdata) != SRD_OK) {
/* An error was already logged. */
break;
}
- cb->cb(pdata, cb->cb_data);
+ Py_BEGIN_ALLOW_THREADS
+ cb->cb(&pdata, cb->cb_data);
+ Py_END_ALLOW_THREADS
}
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) {
+ if (convert_meta(&pdata, py_data) != SRD_OK) {
/* An exception was already set up. */
break;
}
- cb->cb(pdata, cb->cb_data);
+ Py_BEGIN_ALLOW_THREADS
+ cb->cb(&pdata, cb->cb_data);
+ Py_END_ALLOW_THREADS
}
break;
default:
break;
}
- g_free(pdata);
+ PyGILState_Release(gstate);
Py_RETURN_NONE;
+
+err:
+ PyGILState_Release(gstate);
+
+ return NULL;
}
static PyObject *Decoder_register(PyObject *self, PyObject *args,
int output_type;
char *proto_id, *meta_name, *meta_descr;
char *keywords[] = {"output_type", "proto_id", "meta", NULL};
+ PyGILState_STATE gstate;
+ gboolean is_meta;
+ GSList *l;
+ struct srd_pd_output *cmp;
+
+ gstate = PyGILState_Ensure();
meta_type_py = NULL;
meta_type_gv = NULL;
if (!(di = srd_inst_find_by_obj(NULL, self))) {
PyErr_SetString(PyExc_Exception, "decoder instance not found");
- return NULL;
+ goto err;
}
/* Default to instance id, which defaults to class id. */
&output_type, &proto_id,
&meta_type_py, &meta_name, &meta_descr)) {
/* Let Python raise this exception. */
- return NULL;
+ goto err;
}
/* Check if the meta value's type is supported. */
- if (output_type == SRD_OUTPUT_META) {
+ is_meta = output_type == SRD_OUTPUT_META;
+ if (is_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.");
- return NULL;
+ goto err;
}
}
+ srd_dbg("Instance %s checking registration type %d for %s.",
+ di->inst_id, output_type, proto_id);
+ pdo = NULL;
+ for (l = di->pd_output; l; l = l->next) {
+ cmp = l->data;
+ if (cmp->output_type != output_type)
+ continue;
+ if (strcmp(cmp->proto_id, proto_id) != 0)
+ continue;
+ if (is_meta && cmp->meta_type != meta_type_gv)
+ continue;
+ if (is_meta && strcmp(cmp->meta_name, meta_name) != 0)
+ continue;
+ if (is_meta && strcmp(cmp->meta_descr, meta_descr) != 0)
+ continue;
+ pdo = cmp;
+ break;
+ }
+ if (pdo) {
+ py_new_output_id = Py_BuildValue("i", pdo->pdo_id);
+ PyGILState_Release(gstate);
+ return py_new_output_id;
+ }
+
srd_dbg("Instance %s creating new output type %d for %s.",
di->inst_id, output_type, proto_id);
di->pd_output = g_slist_append(di->pd_output, pdo);
py_new_output_id = Py_BuildValue("i", pdo->pdo_id);
+ PyGILState_Release(gstate);
+
return py_new_output_id;
+
+err:
+ PyGILState_Release(gstate);
+
+ return NULL;
}
static int get_term_type(const char *v)
const uint8_t *sample_pos;
int byte_offset, bit_offset;
PyObject *py_pinvalues;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
if (!di) {
srd_err("Invalid decoder instance.");
+ PyGILState_Release(gstate);
return NULL;
}
}
}
+ PyGILState_Release(gstate);
+
return py_pinvalues;
}
struct srd_term *term;
uint64_t num_samples_to_skip;
char *term_str;
+ PyGILState_STATE gstate;
if (!py_dict || !term_list)
return SRD_ERR_ARG;
/* "Create" an empty GSList of terms. */
*term_list = NULL;
+ gstate = PyGILState_Ensure();
+
/* Iterate over all items in the current dict. */
while (PyDict_Next(py_dict, &pos, &py_key, &py_value)) {
/* Check whether the current key is a string or a number. */
/* Get the value string. */
if ((py_pydictitem_as_str(py_dict, py_key, &term_str)) != SRD_OK) {
srd_err("Failed to get the value.");
- return SRD_ERR;
+ goto err;
}
term = g_malloc0(sizeof(struct srd_term));
term->type = get_term_type(term_str);
/* TODO: Check if it's "skip". */
if ((py_pydictitem_as_long(py_dict, py_key, &num_samples_to_skip)) != SRD_OK) {
srd_err("Failed to get number of samples to skip.");
- return SRD_ERR;
+ goto err;
}
term = g_malloc0(sizeof(struct srd_term));
term->type = SRD_TERM_SKIP;
term->num_samples_already_skipped = 0;
} else {
srd_err("Term key is neither a string nor a number.");
- return SRD_ERR;
+ goto err;
}
/* Add the term to the list of terms. */
*term_list = g_slist_append(*term_list, term);
}
+ PyGILState_Release(gstate);
+
return SRD_OK;
+
+err:
+ PyGILState_Release(gstate);
+
+ return SRD_ERR;
}
/**
GSList *term_list;
PyObject *py_conditionlist, *py_conds, *py_dict;
int i, num_conditions, ret;
+ PyGILState_STATE gstate;
if (!self || !args)
return SRD_ERR_ARG;
+ gstate = PyGILState_Ensure();
+
/* Get the decoder instance. */
if (!(di = srd_inst_find_by_obj(NULL, self))) {
PyErr_SetString(PyExc_Exception, "decoder instance not found");
- return SRD_ERR;
+ goto err;
}
/*
*/
if (di->want_wait_terminate) {
srd_dbg("%s: %s: Skip (want_term).", di->inst_id, __func__);
- return SRD_ERR;
+ goto err;
}
- /* Parse the argument of self.wait() into 'py_conds'. */
- if (!PyArg_ParseTuple(args, "O", &py_conds)) {
+ /*
+ * Parse the argument of self.wait() into 'py_conds', and check
+ * the data type. The argument is optional, None is assumed in
+ * its absence. None or an empty dict or an empty list mean that
+ * there is no condition, and the next available sample shall
+ * get returned to the caller.
+ */
+ py_conds = Py_None;
+ if (!PyArg_ParseTuple(args, "|O", &py_conds)) {
/* Let Python raise this exception. */
- return SRD_ERR;
+ goto err;
}
-
- /* Check whether 'py_conds' is a dict or a list. */
- if (PyList_Check(py_conds)) {
+ if (py_conds == Py_None) {
+ /* 'py_conds' is None. */
+ goto ret_9999;
+ } else if (PyList_Check(py_conds)) {
/* 'py_conds' is a list. */
py_conditionlist = py_conds;
num_conditions = PyList_Size(py_conditionlist);
if (num_conditions == 0)
- return 9999; /* The PD invoked self.wait([]). */
+ goto ret_9999; /* The PD invoked self.wait([]). */
Py_IncRef(py_conditionlist);
} else if (PyDict_Check(py_conds)) {
/* 'py_conds' is a dict. */
if (PyDict_Size(py_conds) == 0)
- return 9999; /* The PD invoked self.wait({}). */
+ goto ret_9999; /* The PD invoked self.wait({}). */
/* Make a list and put the dict in there for convenience. */
py_conditionlist = PyList_New(1);
Py_IncRef(py_conds);
num_conditions = 1;
} else {
srd_err("Condition list is neither a list nor a dict.");
- return SRD_ERR;
+ goto err;
}
/* Free the old condition list. */
Py_DecRef(py_conditionlist);
+ PyGILState_Release(gstate);
+
return ret;
+
+err:
+ PyGILState_Release(gstate);
+
+ return SRD_ERR;
+
+ret_9999:
+ PyGILState_Release(gstate);
+
+ return 9999;
+}
+
+/**
+ * Create a SKIP condition list for condition-less .wait() calls.
+ *
+ * @param di Decoder instance.
+ * @param count Number of samples to skip.
+ *
+ * @retval SRD_OK The new condition list was set successfully.
+ * @retval SRD_ERR There was an error setting the new condition list.
+ * The contents of di->condition_list are undefined.
+ *
+ * This routine is a reduced and specialized version of the @ref
+ * set_new_condition_list() and @ref create_term_list() routines which
+ * gets invoked when .wait() was called without specifications for
+ * conditions. This minor duplication of the SKIP term list creation
+ * simplifies the logic and avoids the creation of expensive Python
+ * objects with "constant" values which the caller did not pass in the
+ * first place. It results in maximum sharing of match handling code
+ * paths.
+ */
+static int set_skip_condition(struct srd_decoder_inst *di, uint64_t count)
+{
+ struct srd_term *term;
+ GSList *term_list;
+
+ condition_list_free(di);
+ term = g_malloc0(sizeof(*term));
+ term->type = SRD_TERM_SKIP;
+ term->num_samples_to_skip = count;
+ term->num_samples_already_skipped = 0;
+ term_list = g_slist_append(NULL, term);
+ di->condition_list = g_slist_append(di->condition_list, term_list);
+
+ return SRD_OK;
}
static PyObject *Decoder_wait(PyObject *self, PyObject *args)
{
int ret;
+ uint64_t skip_count;
unsigned int i;
gboolean found_match;
struct srd_decoder_inst *di;
PyObject *py_pinvalues, *py_matched;
+ PyGILState_STATE gstate;
if (!self || !args)
return NULL;
+ gstate = PyGILState_Ensure();
+
if (!(di = srd_inst_find_by_obj(NULL, self))) {
PyErr_SetString(PyExc_Exception, "decoder instance not found");
+ PyGILState_Release(gstate);
Py_RETURN_NONE;
}
ret = set_new_condition_list(self, args);
if (ret < 0) {
srd_dbg("%s: %s: Aborting wait().", di->inst_id, __func__);
- return NULL;
+ goto err;
}
if (ret == 9999) {
- /* Empty condition list, automatic match. */
- PyObject_SetAttrString(di->py_inst, "matched", Py_None);
- /* Leave self.samplenum unchanged (== di->abs_cur_samplenum). */
- return get_current_pinvalues(di);
+ /*
+ * Empty condition list, automatic match. Arrange for the
+ * execution of regular match handling code paths such that
+ * the next available sample is returned to the caller.
+ * Make sure to skip one sample when "anywhere within the
+ * stream", yet make sure to not skip sample number 0.
+ */
+ if (di->abs_cur_samplenum)
+ skip_count = 1;
+ else if (!di->condition_list)
+ skip_count = 0;
+ else
+ skip_count = 1;
+ ret = set_skip_condition(di, skip_count);
+ if (ret < 0) {
+ srd_dbg("%s: %s: Cannot setup condition-less wait().",
+ di->inst_id, __func__);
+ goto err;
+ }
}
while (1) {
+
+ Py_BEGIN_ALLOW_THREADS
+
/* Wait for new samples to process, or termination request. */
g_mutex_lock(&di->data_mutex);
while (!di->got_new_samples && !di->want_wait_terminate)
found_match = FALSE;
ret = process_samples_until_condition_match(di, &found_match);
+ Py_END_ALLOW_THREADS
+
/* If there's a match, set self.samplenum etc. and return. */
if (found_match) {
/* Set self.samplenum to the (absolute) sample number that matched. */
} else {
PyObject_SetAttrString(di->py_inst, "matched", Py_None);
}
-
+
py_pinvalues = get_current_pinvalues(di);
g_mutex_unlock(&di->data_mutex);
+ PyGILState_Release(gstate);
+
return py_pinvalues;
}
srd_dbg("%s: %s: Will return from wait().",
di->inst_id, __func__);
g_mutex_unlock(&di->data_mutex);
- return NULL;
+ goto err;
}
g_mutex_unlock(&di->data_mutex);
}
+ PyGILState_Release(gstate);
+
Py_RETURN_NONE;
+
+err:
+ PyGILState_Release(gstate);
+
+ return NULL;
}
/**
*/
static PyObject *Decoder_has_channel(PyObject *self, PyObject *args)
{
- int idx, max_idx;
+ int idx, count;
struct srd_decoder_inst *di;
- PyObject *py_channel;
+ PyGILState_STATE gstate;
if (!self || !args)
return NULL;
+ gstate = PyGILState_Ensure();
+
if (!(di = srd_inst_find_by_obj(NULL, self))) {
PyErr_SetString(PyExc_Exception, "decoder instance not found");
- return NULL;
+ goto err;
}
- /* Parse the argument of self.has_channel() into 'py_channel'. */
- if (!PyArg_ParseTuple(args, "O", &py_channel)) {
+ /*
+ * Get the integer argument of self.has_channel(). Check for
+ * the range of supported PD input channel numbers.
+ */
+ if (!PyArg_ParseTuple(args, "i", &idx)) {
/* Let Python raise this exception. */
- return NULL;
+ goto err;
}
- if (!PyLong_Check(py_channel)) {
- PyErr_SetString(PyExc_Exception, "channel index not a number");
- return NULL;
+ count = g_slist_length(di->decoder->channels) +
+ g_slist_length(di->decoder->opt_channels);
+ if (idx < 0 || idx >= count) {
+ srd_err("Invalid index %d, PD channel count %d.", idx, count);
+ PyErr_SetString(PyExc_IndexError, "invalid channel index");
+ goto err;
}
- idx = PyLong_AsLong(py_channel);
- max_idx = g_slist_length(di->decoder->channels)
- + g_slist_length(di->decoder->opt_channels) - 1;
-
- if (idx < 0 || idx > max_idx) {
- srd_err("Invalid channel index %d/%d.", idx, max_idx);
- PyErr_SetString(PyExc_Exception, "invalid channel");
- return NULL;
- }
+ PyGILState_Release(gstate);
return (di->dec_channelmap[idx] == -1) ? Py_False : Py_True;
+
+err:
+ PyGILState_Release(gstate);
+
+ return NULL;
}
static PyMethodDef Decoder_methods[] = {
{ Py_tp_new, (void *)&PyType_GenericNew },
{ 0, NULL }
};
+ PyObject *py_obj;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
+
spec.name = "sigrokdecode.Decoder";
spec.basicsize = sizeof(srd_Decoder);
spec.itemsize = 0;
spec.flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE;
spec.slots = slots;
- return PyType_FromSpec(&spec);
+ py_obj = PyType_FromSpec(&spec);
+
+ PyGILState_Release(gstate);
+
+ return py_obj;
}
projects / libsigrokdecode.git / blobdiff