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-rw-r--r--decoder.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/decoder.c b/decoder.c
index 5b9223c..d0e5734 100644
--- a/decoder.c
+++ b/decoder.c
@@ -65,6 +65,63 @@ struct srd_decoder *srd_get_decoder_by_id(const char *id)
}
+static int get_probes(struct srd_decoder *d, char *attr, GSList **pl)
+{
+ PyObject *py_probelist, *py_entry;
+ struct srd_probe *p;
+ int ret, num_probes, i;
+
+ if (!PyObject_HasAttrString(d->py_dec, attr))
+ /* No probes of this type specified. */
+ return SRD_OK;
+
+ ret = SRD_ERR_PYTHON;
+ py_probelist = py_entry = NULL;
+
+ py_probelist = PyObject_GetAttrString(d->py_dec, attr);
+ if (!PyList_Check(py_probelist)) {
+ srd_err("Protocol decoder %s %s attribute is not "
+ "a list.", d->name, attr);
+ goto err_out;
+ }
+
+ num_probes = PyList_Size(py_probelist);
+ if (num_probes == 0)
+ /* Empty probelist. */
+ return SRD_OK;
+
+ for (i = 0; i < num_probes; i++) {
+ py_entry = PyList_GetItem(py_probelist, i);
+ if (!PyDict_Check(py_entry)) {
+ srd_err("Protocol decoder %s %s attribute is not "
+ "a list with dict elements.", d->name, attr);
+ goto err_out;
+ }
+
+ if (!(p = g_try_malloc(sizeof(struct srd_probe)))) {
+ ret = SRD_ERR_MALLOC;
+ goto err_out;
+ }
+
+ if ((py_dictitem_as_str(py_entry, "id", &p->id)) != SRD_OK)
+ goto err_out;
+ if ((py_dictitem_as_str(py_entry, "name", &p->name)) != SRD_OK)
+ goto err_out;
+ if ((py_dictitem_as_str(py_entry, "desc", &p->desc)) != SRD_OK)
+ goto err_out;
+ p->order = i;
+
+ *pl = g_slist_append(*pl, p);
+ }
+ ret = SRD_OK;
+
+err_out:
+ Py_DecRef(py_entry);
+ Py_DecRef(py_probelist);
+
+ return ret;
+}
+
/**
* Load a protocol decoder module into the embedded Python interpreter.
*
@@ -161,6 +218,15 @@ int srd_load_decoder(const char *name, struct srd_decoder **dec)
Py_DecRef(py_attr);
}
+ /* Check and import required probes. */
+ if (get_probes(d, "probes", &d->probes) != SRD_OK)
+ goto err_out;
+
+ /* Check and import optional probes. */
+ if (get_probes(d, "extra_probes", &d->extra_probes) != SRD_OK)
+ goto err_out;
+
+ /* Store required fields in newly allocated strings. */
if (py_attr_as_str(d->py_dec, "id", &(d->id)) != SRD_OK)
goto err_out;