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Diffstat (limited to 'type_decoder.c')
-rw-r--r--type_decoder.c79
1 files changed, 77 insertions, 2 deletions
diff --git a/type_decoder.c b/type_decoder.c
index 52f7ca0..38fa1ae 100644
--- a/type_decoder.c
+++ b/type_decoder.c
@@ -93,6 +93,74 @@ 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;
@@ -173,7 +241,7 @@ static PyObject *Decoder_put(PyObject *self, PyObject *args)
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;
@@ -199,7 +267,14 @@ static PyObject *Decoder_put(PyObject *self, PyObject *args)
}
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))) {