summaryrefslogtreecommitdiffstats
path: root/src/tools/vppapigen/generate_json.py
blob: dc5cf9c1bbf517bac8e5f24eca727dd1a4efc943 (plain)
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
#!/usr/bin/env python3
#  Copyright (c) 2019. Vinci Consulting Corp. All Rights Reserved.
#
#  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 pathlib
import subprocess
import vppapigen
import os
from multiprocessing import Pool

BASE_DIR = (
    subprocess.check_output("git rev-parse --show-toplevel", shell=True)
    .strip()
    .decode()
)

src_dir_depth = 3
output_path = pathlib.Path(
    "%s/build-root/install-vpp-native/vpp/share/vpp/api/" % BASE_DIR
)
output_path_debug = pathlib.Path(
    "%s/build-root/install-vpp_debug-native/vpp/share/vpp/api/" % BASE_DIR
)

output_dir_map = {
    "plugins": "plugins",
    "vlibmemory": "core",
    "vnet": "core",
    "vlib": "core",
    "vpp": "core",
}


def api_search_globs(src_dir):
    globs = []
    for g in output_dir_map:
        globs.extend(list(src_dir.glob("%s/**/*.api" % g)))
    return globs


def api_files(src_dir):
    print("Searching '%s' for .api files." % src_dir.as_posix())
    return [x for x in api_search_globs(src_dir)]


def get_n_parallel(n_parallel):
    if n_parallel == 0:
        n_parallel = os.environ.get("MAKE_PARALLEL_JOBS", os.cpu_count())
        try:
            n_parallel = int(n_parallel)
        except ValueError:
            return os.cpu_count()
    return n_parallel or os.cpu_count()


def main():
    cliparser = argparse.ArgumentParser(description="VPP API JSON definition generator")
    cliparser.add_argument("--srcdir", action="store", default="%s/src" % BASE_DIR),
    cliparser.add_argument("--output", action="store", help="directory to store files"),
    cliparser.add_argument(
        "--parallel", type=int, default=0, help="Number of parallel processes"
    ),
    cliparser.add_argument(
        "--debug-target",
        action="store_true",
        default=False,
        help="'True' if -debug target",
    ),

    args = cliparser.parse_args()

    src_dir = pathlib.Path(args.srcdir)
    output_target = output_path_debug if args.debug_target else output_path

    if args.output:
        output_dir = pathlib.Path(args.output)
    else:
        output_dir = pathlib.Path(output_target)

    for d in output_dir_map.values():
        output_dir.joinpath(d).mkdir(exist_ok=True, parents=True)

    for f in output_dir.glob("**/*.api.json"):
        f.unlink()

    with Pool(get_n_parallel(args.parallel)) as p:
        p.map(
            vppapigen.run_kw_vppapigen,
            [
                {
                    "output": "%s/%s/%s.json"
                    % (
                        output_path,
                        output_dir_map[
                            f.as_posix().split("/")[
                                src_dir_depth + BASE_DIR.count("/") - 1
                            ]
                        ],
                        f.name,
                    ),
                    "outputdir": "%s/%s/"
                    % (
                        output_path,
                        output_dir_map[
                            f.as_posix().split("/")[
                                src_dir_depth + BASE_DIR.count("/") - 1
                            ]
                        ],
                    ),
                    "input_file": f.as_posix(),
                    "includedir": [src_dir.as_posix()],
                    "output_module": "JSON",
                }
                for f in api_files(src_dir)
            ],
        )

    print("json files written to: %s/." % output_dir)


if __name__ == "__main__":
    main()