static PyObject *pygrpc_read_event_args(grpc_event *c_event) {
if (c_event->data.read == NULL) {
return PyTuple_Pack(7, read_event_kind, (PyObject *)c_event->tag,
Py_None, Py_None, Py_None, Py_None, Py_None);
} else {
size_t length;
size_t offset;
grpc_byte_buffer_reader *reader;
gpr_slice slice;
char *c_bytes;
PyObject *bytes;
PyObject *event_args;
length = grpc_byte_buffer_length(c_event->data.read);
reader = grpc_byte_buffer_reader_create(c_event->data.read);
c_bytes = gpr_malloc(length);
offset = 0;
while (grpc_byte_buffer_reader_next(reader, &slice)) {
memcpy(c_bytes + offset, GPR_SLICE_START_PTR(slice),
GPR_SLICE_LENGTH(slice));
offset += GPR_SLICE_LENGTH(slice);
}
grpc_byte_buffer_reader_destroy(reader);
bytes = PyBytes_FromStringAndSize(c_bytes, length);
gpr_free(c_bytes);
if (bytes == NULL) {
return NULL;
}
event_args = PyTuple_Pack(7, read_event_kind, (PyObject *)c_event->tag,
Py_None, Py_None, Py_None, bytes, Py_None);
Py_DECREF(bytes);
return event_args;
}
}
void byte_buffer_to_string(grpc_byte_buffer *buffer, char **out_string,
size_t *out_length) {
size_t length = grpc_byte_buffer_length(buffer);
char *string = ecalloc(length + 1, sizeof(char));
size_t offset = 0;
grpc_byte_buffer_reader *reader = grpc_byte_buffer_reader_create(buffer);
gpr_slice next;
while (grpc_byte_buffer_reader_next(reader, &next) != 0) {
memcpy(string + offset, GPR_SLICE_START_PTR(next), GPR_SLICE_LENGTH(next));
offset += GPR_SLICE_LENGTH(next);
}
*out_string = string;
*out_length = length;
}
static void assert_read_ok(call_state *s, grpc_byte_buffer *b) {
grpc_byte_buffer_reader *bb_reader = NULL;
gpr_slice read_slice;
unsigned i;
bb_reader = grpc_byte_buffer_reader_create(b);
while (grpc_byte_buffer_reader_next(bb_reader, &read_slice)) {
for (i = 0; i < GPR_SLICE_LENGTH(read_slice); i++) {
GPR_ASSERT(GPR_SLICE_START_PTR(read_slice)[i] == s->bytes_read % 256);
s->bytes_read++;
}
gpr_slice_unref(read_slice);
}
grpc_byte_buffer_reader_destroy(bb_reader);
}
