3 # Copyright (c) 2016 Cisco and/or its affiliates.
4 # Licensed under the Apache License, Version 2.0 (the "License");
5 # you may not use this file except in compliance with the License.
6 # You may obtain a copy of the License at:
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS,
12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 # See the License for the specific language governing permissions and
14 # limitations under the License.
23 from jvppgen import types_gen
24 from jvppgen import callback_gen
25 from jvppgen import notification_gen
26 from jvppgen import dto_gen
27 from jvppgen import jvpp_callback_facade_gen
28 from jvppgen import jvpp_future_facade_gen
29 from jvppgen import jvpp_impl_gen
30 from jvppgen import jvpp_c_gen
31 from jvppgen import util
32 from jvppgen import enum_gen
35 # ~/Projects/vpp/vpp-api/jvpp/gen$ mkdir -p java/io/fd/vpp/jvpp && cd java/io/fd/vpp/jvpp
36 # ~/Projects/vpp/vpp-api/jvpp/gen/java/io/fd/vpp/jvpp$ ../../../../jvpp_gen.py -idefs_api_vpp_papi.py
39 # ~/Projects/vpp/vpp-api/jvpp/gen/java/io/fd/vpp/jvpp$ javac *.java dto/*.java callback/*.java
42 # defs_api_vpp_papi.py - vpe.api in python format (generated by vppapigen)
44 parser = argparse.ArgumentParser(description='VPP Java API generator')
45 parser.add_argument('-i', action="store", dest="inputfiles", nargs='+')
46 parser.add_argument('--plugin_name', action="store", dest="plugin_name")
47 parser.add_argument('--root_dir', action="store", dest="root_dir")
48 args = parser.parse_args()
55 verbose = int(os.getenv("V", 0))
59 log_level = logging.WARNING
61 log_level = logging.INFO
63 log_level = logging.DEBUG
65 logging.basicConfig(stream=sys.stdout, level=log_level)
66 logger = logging.getLogger("JVPP GEN")
67 logger.setLevel(log_level)
70 logger.info("Generating Java API for %s" % args.inputfiles)
71 plugin_name = args.plugin_name
72 logger.debug("plugin_name: %s" % plugin_name)
76 base_package = 'io.fd.vpp.jvpp'
77 plugin_package = base_package + '.' + plugin_name
78 root_dir = os.path.abspath(args.root_dir)
79 logger.debug("root_dir: %s" % root_dir)
80 work_dir = root_dir + "/target/" + plugin_package.replace(".","/")
85 if not os.path.isdir(work_dir):
90 for inputfile in args.inputfiles:
91 _cfg = json.load(open(cwd + "/" + inputfile, 'r'))
93 cfg['enums'].extend(_cfg['enums'])
95 cfg['enums'] = _cfg['enums']
97 cfg['types'].extend(_cfg['types'])
99 cfg['types'] = _cfg['types']
100 if 'messages' in cfg:
101 cfg['messages'].extend(_cfg['messages'])
103 cfg['messages'] = _cfg['messages']
106 def is_request_field(field_name):
107 return field_name not in {'_vl_msg_id', 'client_index', 'context'}
110 def is_response_field(field_name):
111 return field_name not in {'_vl_msg_id'}
114 def get_args(t, filter):
122 arg_types.append(i[0])
123 arg_names.append(i[1])
124 return arg_types, arg_names
127 def get_types(t, filter):
133 crc = ('crc', i['crc'][2:])
137 if len(i) is 3: # array type
138 types_list.append(i[0] + '[]')
139 lengths_list.append((i[2], False))
140 elif len(i) is 4: # variable length array type
141 types_list.append(i[0] + '[]')
142 lengths_list.append((i[3], True))
143 else: # primitive type
144 types_list.append(i[0])
145 lengths_list.append((0, False))
146 return types_list, lengths_list, crc
150 """ Check whether the argument inside message definition is just crc """
154 def get_definitions(defs):
159 java_name = util.underscore_to_camelcase(a[0])
161 # For replies include all the arguments except message_id
162 if util.is_reply(java_name):
163 types, lengths, crc = get_types(a[1:], is_response_field)
164 args = get_args(a[1:], is_response_field)
165 func_name[a[0]] = dict(
166 [('name', a[0]), ('java_name', java_name),
167 ('args', args[1]), ('arg_types', args[0]),
168 ('types', types), ('lengths', lengths), crc])
169 # For requests skip message_id, client_id and context
171 types, lengths, crc = get_types(a[1:], is_request_field)
172 args = get_args(a[1:], is_request_field)
173 func_name[a[0]] = dict(
174 [('name', a[0]), ('java_name', java_name),
175 ('args', args[1]), ('arg_types', args[0]),
176 ('types', types), ('lengths', lengths), crc])
179 func_list.append(func_name[a[0]])
180 return func_list, func_name
183 types_package = 'types'
185 callback_package = 'callback'
186 notification_package = 'notification'
187 future_package = 'future'
188 # TODO find better package name
189 callback_facade_package = 'callfacade'
191 types_list, types_name = get_definitions(cfg['types'])
192 func_list, func_name = get_definitions(cfg['messages'])
194 enum_gen.generate_enums(cfg['enums'], args.inputfiles, logger)
195 types_gen.generate_types(types_list, plugin_package, types_package, args.inputfiles, logger)
196 dto_gen.generate_dtos(func_list, base_package, plugin_package, plugin_name.title(), dto_package, args.inputfiles,
198 jvpp_impl_gen.generate_jvpp(func_list, base_package, plugin_package, plugin_name, dto_package, args.inputfiles, logger)
199 callback_gen.generate_callbacks(func_list, base_package, plugin_package, plugin_name.title(), callback_package,
200 dto_package, args.inputfiles, logger)
201 notification_gen.generate_notification_registry(func_list, base_package, plugin_package, plugin_name.title(),
202 notification_package, callback_package, dto_package, args.inputfiles,
204 jvpp_c_gen.generate_jvpp(func_list, plugin_name, args.inputfiles, root_dir, logger)
205 jvpp_future_facade_gen.generate_jvpp(func_list, base_package, plugin_package, plugin_name.title(), dto_package,
206 callback_package, notification_package, future_package, args.inputfiles, logger)
207 jvpp_callback_facade_gen.generate_jvpp(func_list, base_package, plugin_package, plugin_name.title(), dto_package,
208 callback_package, notification_package, callback_facade_package, args.inputfiles,
211 logger.info("Java API for %s generated successfully" % args.inputfiles)