android13/device/google/atv/audio_proxy/service/ServiceConfig.cpp

94 lines
2.4 KiB
C++

// Copyright (C) 2022 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.
#include "ServiceConfig.h"
#include <android-base/parseint.h>
#include <android-base/strings.h>
#include <getopt.h>
#include <utility>
#include <vector>
namespace audio_proxy::service {
namespace {
std::pair<std::string, StreamConfig> parseStreamConfig(const char* optarg) {
std::vector<std::string> tokens = android::base::Split(optarg, ":");
if (tokens.size() != 3) {
return {};
}
StreamConfig config;
if (!android::base::ParseUint(tokens[1].c_str(), &config.bufferSizeMs)) {
return {};
}
if (!android::base::ParseUint(tokens[2].c_str(), &config.latencyMs)) {
return {};
}
return {tokens[0], config};
}
} // namespace
std::optional<ServiceConfig> parseServiceConfigFromCommandLine(int argc,
char** argv) {
// $command --name service_name
// --stream address1:buffer_size:latency
// --stream address2:buffer_size:latency
static option options[] = {
{"name", required_argument, nullptr, 'n'},
{"stream", required_argument, nullptr, 's'},
{nullptr, 0, nullptr, 0},
};
// Reset, this is useful in unittest.
optind = 0;
ServiceConfig config;
int val = 0;
while ((val = getopt_long(argc, argv, "n:s:", options, nullptr)) != -1) {
switch (val) {
case 'n':
config.name = optarg;
break;
case 's': {
std::pair<std::string, StreamConfig> streamConfig =
parseStreamConfig(optarg);
if (streamConfig.first.empty()) {
return std::nullopt;
}
auto it = config.streams.emplace(std::move(streamConfig));
if (!it.second) {
return std::nullopt;
}
break;
}
default:
break;
}
}
if (config.name.empty() || config.streams.empty()) {
return std::nullopt;
}
return config;
}
} // namespace audio_proxy::service