1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
#!/usr/bin/env python
#
# Copyright (c) 2016 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import argparse
import sys
import os
import json
import logging
from jvppgen import types_gen
from jvppgen import callback_gen
from jvppgen import notification_gen
from jvppgen import dto_gen
from jvppgen import jvpp_callback_facade_gen
from jvppgen import jvpp_future_facade_gen
from jvppgen import jvpp_impl_gen
from jvppgen import jvpp_c_gen
from jvppgen import util
from jvppgen import enum_gen
# Invocation:
# ~/Projects/vpp/vpp-api/jvpp/gen$ mkdir -p java/io/fd/vpp/jvpp && cd java/io/fd/vpp/jvpp
# ~/Projects/vpp/vpp-api/jvpp/gen/java/io/fd/vpp/jvpp$ ../../../../jvpp_gen.py -idefs_api_vpp_papi.py
#
# Compilation:
# ~/Projects/vpp/vpp-api/jvpp/gen/java/io/fd/vpp/jvpp$ javac *.java dto/*.java callback/*.java
#
# where
# defs_api_vpp_papi.py - vpe.api in python format (generated by vppapigen)
parser = argparse.ArgumentParser(description='VPP Java API generator')
parser.add_argument('-i', action="store", dest="inputfiles", nargs='+')
parser.add_argument('--plugin_name', action="store", dest="plugin_name")
parser.add_argument('--root_dir', action="store", dest="root_dir")
args = parser.parse_args()
sys.path.append(".")
cwd = os.getcwd()
# Initialize logger
try:
verbose = int(os.getenv("V", 0))
except:
verbose = 0
log_level = logging.WARNING
if verbose == 1:
log_level = logging.INFO
elif verbose >= 2:
log_level = logging.DEBUG
logging.basicConfig(stream=sys.stdout, level=log_level)
logger = logging.getLogger("JVPP GEN")
logger.setLevel(log_level)
logger.info("Generating Java API for %s" % args.inputfiles)
plugin_name = args.plugin_name
logger.debug("plugin_name: %s" % plugin_name)
cfg = {}
base_package = 'io.fd.vpp.jvpp'
plugin_package = base_package + '.' + plugin_name
root_dir = os.path.abspath(args.root_dir)
logger.debug("root_dir: %s" % root_dir)
work_dir = root_dir + "/target/" + plugin_package.replace(".","/")
try:
os.makedirs(work_dir)
except OSError:
if not os.path.isdir(work_dir):
raise
os.chdir(work_dir)
for inputfile in args.inputfiles:
_cfg = json.load(open(cwd + "/" + inputfile, 'r'))
if 'enums' in cfg:
cfg['enums'].extend(_cfg['enums'])
else:
cfg['enums'] = _cfg['enums']
if 'types' in cfg:
cfg['types'].extend(_cfg['types'])
else:
cfg['types'] = _cfg['types']
if 'messages' in cfg:
cfg['messages'].extend(_cfg['messages'])
else:
cfg['messages'] = _cfg['messages']
def is_request_field(field_name):
return field_name not in {'_vl_msg_id', 'client_index', 'context'}
def is_response_field(field_name):
return field_name not in {'_vl_msg_id'}
def get_args(t, filter):
arg_names = []
arg_types = []
for i in t:
if is_crc(i):
continue
if not filter(i[1]):
continue
arg_types.append(i[0])
arg_names.append(i[1])
return arg_types, arg_names
def get_types(t, filter):
types_list = []
lengths_list = []
crc = None
for i in t:
if is_crc(i):
crc = ('crc', i['crc'][2:])
continue
if not filter(i[1]):
continue
if len(i) is 3: # array type
types_list.append(i[0] + '[]')
lengths_list.append((i[2], False))
elif len(i) is 4: # variable length array type
types_list.append(i[0] + '[]')
lengths_list.append((i[3], True))
else: # primitive type
types_list.append(i[0])
lengths_list.append((0, False))
return types_list, lengths_list, crc
def is_crc(arg):
""" Check whether the argument inside message definition is just crc """
return 'crc' in arg
def get_definitions(defs):
# Pass 1
func_list = []
func_name = {}
for a in defs:
java_name = util.underscore_to_camelcase(a[0])
# For replies include all the arguments except message_id
if util.is_reply(java_name):
types, lengths, crc = get_types(a[1:], is_response_field)
args = get_args(a[1:], is_response_field)
func_name[a[0]] = dict(
[('name', a[0]), ('java_name', java_name),
('args', args[1]), ('arg_types', args[0]),
('types', types), ('lengths', lengths), crc])
# For requests skip message_id, client_id and context
else:
types, lengths, crc = get_types(a[1:], is_request_field)
args = get_args(a[1:], is_request_field)
func_name[a[0]] = dict(
[('name', a[0]), ('java_name', java_name),
('args', args[1]), ('arg_types', args[0]),
('types', types), ('lengths', lengths), crc])
# Indexed by name
func_list.append(func_name[a[0]])
return func_list, func_name
types_package = 'types'
dto_package = 'dto'
callback_package = 'callback'
notification_package = 'notification'
future_package = 'future'
# TODO find better package name
callback_facade_package = 'callfacade'
types_list, types_name = get_definitions(cfg['types'])
func_list, func_name = get_definitions(cfg['messages'])
enum_gen.generate_enums(cfg['enums'], args.inputfiles, logger)
types_gen.generate_types(types_list, plugin_package, types_package, args.inputfiles, logger)
dto_gen.generate_dtos(func_list, base_package, plugin_package, plugin_name.title(), dto_package, args.inputfiles,
logger)
jvpp_impl_gen.generate_jvpp(func_list, base_package, plugin_package, plugin_name, dto_package, args.inputfiles, logger)
callback_gen.generate_callbacks(func_list, base_package, plugin_package, plugin_name.title(), callback_package,
dto_package, args.inputfiles, logger)
notification_gen.generate_notification_registry(func_list, base_package, plugin_package, plugin_name.title(),
notification_package, callback_package, dto_package, args.inputfiles,
logger)
jvpp_c_gen.generate_jvpp(func_list, plugin_name, args.inputfiles, root_dir, logger)
jvpp_future_facade_gen.generate_jvpp(func_list, base_package, plugin_package, plugin_name.title(), dto_package,
callback_package, notification_package, future_package, args.inputfiles, logger)
jvpp_callback_facade_gen.generate_jvpp(func_list, base_package, plugin_package, plugin_name.title(), dto_package,
callback_package, notification_package, callback_facade_package, args.inputfiles,
logger)
logger.info("Java API for %s generated successfully" % args.inputfiles)
|
