diff options
Diffstat (limited to 'vpp-api/python/vpp_papi')
| -rw-r--r-- | vpp-api/python/vpp_papi/vpp_papi.py | 52 |
1 files changed, 44 insertions, 8 deletions
diff --git a/vpp-api/python/vpp_papi/vpp_papi.py b/vpp-api/python/vpp_papi/vpp_papi.py index f4b0aa17041..ffe159fda90 100644 --- a/vpp-api/python/vpp_papi/vpp_papi.py +++ b/vpp-api/python/vpp_papi/vpp_papi.py @@ -110,6 +110,11 @@ class VPP(): def __struct_type_encode(self, msgdef, buf, offset, kwargs): off = offset size = 0 + + for k in kwargs: + if k not in msgdef['args']: + raise ValueError(1, 'Invalid field-name in message call ' + k) + for k,v in msgdef['args'].iteritems(): off += size if k in kwargs: @@ -143,7 +148,7 @@ class VPP(): v.pack_into(buf, off, kwargs[k]) size = v.size else: - size = v.size + size = v.size if not type(v) is list else 0 return off + size - offset @@ -262,7 +267,6 @@ class VPP(): def _load_dictionary(self): self.vpp_dictionary = {} self.vpp_dictionary_maxid = 0 - d = vpp_api.msg_table() if not d: @@ -273,14 +277,16 @@ class VPP(): self.vpp_dictionary[name] = { 'id' : i, 'crc' : crc } self.vpp_dictionary_maxid = max(self.vpp_dictionary_maxid, i) - def connect(self, name, chroot_prefix = None): + def connect(self, name, chroot_prefix = None, async = False): + msg_handler = self.msg_handler if not async else self.msg_handler_async if not chroot_prefix: - rv = vpp_api.connect(name, self.msg_handler) + rv = vpp_api.connect(name, msg_handler) else: - rv = vpp_api.connect(name, self.msg_handler, chroot_prefix) + rv = vpp_api.connect(name, msg_handler, chroot_prefix) if rv != 0: raise IOError(2, 'Connect failed') + self.connected = True self._load_dictionary() self._register_functions() @@ -289,8 +295,6 @@ class VPP(): self.control_ping_index = self.vpp_dictionary['control_ping']['id'] self.control_ping_msgdef = self.messages['control_ping'] - self.connected = True - def disconnect(self): rv = vpp_api.disconnect() return rv @@ -348,7 +352,7 @@ class VPP(): return if not context in self.results: - eprint('Not expecting results for this context', context) + eprint('Not expecting results for this context', context, r) return if 'm' in self.results[context]: @@ -358,6 +362,27 @@ class VPP(): self.results[context]['r'] = r self.results[context]['e'].set() + def msg_handler_async(self, msg): + if not msg: + eprint('vpp_api.read failed') + return + + i, ci = self.header.unpack_from(msg, 0) + if self.id_names[i] == 'rx_thread_exit': + return; + + # + # Decode message and returns a tuple. + # + msgdef = self.id_msgdef[i] + if not msgdef: + raise IOError(2, 'Reply message undefined') + + r = self.decode(msgdef, msg) + msgname = type(r).__name__ + + self.event_callback(msgname, r) + def _control_ping(self, context): self._write(self.encode(self.control_ping_msgdef, { '_vl_msg_id' : self.control_ping_index, @@ -385,6 +410,17 @@ class VPP(): self.results_clean(context) return r + def _call_vpp_async(self, i, msgdef, multipart, **kwargs): + if not 'context' in kwargs: + context = self.get_context() + kwargs['context'] = context + else: + context = kwargs['context'] + kwargs['_vl_msg_id'] = i + b = self.encode(msgdef, kwargs) + + self._write(b) + def register_event_callback(self, callback): self.event_callback = callback |