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# Copyright (C) 2018 The Android Open Source Project
#
# 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 os
import subprocess
import sys
ROOT_DIR = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
def main():
parser = argparse.ArgumentParser()
parser.add_argument(
'encode_or_decode',
choices=['encode', 'decode'],
help='encode into binary format or decode to text.')
parser.add_argument(
'--proto_name',
default='TraceConfig',
help='name of proto to encode/decode (default: TraceConfig).')
parser.add_argument(
'--protoc', default='protoc', help='Path to the protoc executable')
parser.add_argument(
'--input',
default='-',
help='input file, or "-" for stdin (default: "-")')
parser.add_argument(
'--output',
default='-',
help='output file, or "-" for stdout (default: "-")')
args = parser.parse_args()
cmd = [
args.protoc,
'--%s=perfetto.protos.%s' % (args.encode_or_decode, args.proto_name),
'--proto_path=%s' % ROOT_DIR,
os.path.join(ROOT_DIR, 'protos/perfetto/config/trace_config.proto'),
os.path.join(ROOT_DIR, 'protos/perfetto/trace/trace.proto'),
]
in_file = sys.stdin if args.input == '-' else open(args.input, 'rb')
out_file = sys.stdout if args.output == '-' else open(args.output, 'wb')
subprocess.check_call(cmd, stdin=in_file, stdout=out_file, stderr=sys.stderr)
return 0
if __name__ == '__main__':
sys.exit(main())