diff options
Diffstat (limited to 'decoder.c')
-rw-r--r-- | decoder.c | 66 |
1 files changed, 66 insertions, 0 deletions
@@ -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; |