papi: export packed message structures
Use the Python API binding to generate a set of API messages
in binary format, that can later be replayed independently
of the Python API.
Type: improvement
Signed-off-by: Ole Troan <ot@cisco.com>
Change-Id: Iaab6ca31fd2809193e461ab53f7cc7332a231eb5
Signed-off-by: Ole Troan <ot@cisco.com>
diff --git a/src/vpp-api/python/vpp_papi/vpp_papi.py b/src/vpp-api/python/vpp_papi/vpp_papi.py
index 34d5723..e67ee19 100644
--- a/src/vpp-api/python/vpp_papi/vpp_papi.py
+++ b/src/vpp-api/python/vpp_papi/vpp_papi.py
@@ -530,6 +530,13 @@
return f
+ def make_pack_function(self, msg, i, multipart):
+ def f(**kwargs):
+ return self._call_vpp_pack(i, msg, **kwargs)
+
+ f.msg = msg
+ return f
+
def _register_functions(self, do_async=False):
self.id_names = [None] * (self.vpp_dictionary_maxid + 1)
self.id_msgdef = [None] * (self.vpp_dictionary_maxid + 1)
@@ -544,7 +551,9 @@
# Create function for client side messages.
if name in self.services:
f = self.make_function(msg, i, self.services[name], do_async)
+ f_pack = self.make_pack_function(msg, i, self.services[name])
setattr(self._api, name, FuncWrapper(f))
+ setattr(self._api, name + "_pack", FuncWrapper(f_pack))
else:
self.logger.debug("No such message type or failed CRC checksum: %s", n)
@@ -836,6 +845,13 @@
self.transport.write(b)
return context
+ def _call_vpp_pack(self, i, msg, **kwargs):
+ """Given a message, return the binary representation."""
+ kwargs["_vl_msg_id"] = i
+ kwargs["client_index"] = 0
+ kwargs["context"] = 0
+ return msg.pack(kwargs)
+
def read_blocking(self, no_type_conversion=False, timeout=None):
"""Get next received message from transport within timeout, decoded.