94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
// Copyright (C) 2022 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "ServiceConfig.h"
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#include <android-base/parseint.h>
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#include <android-base/strings.h>
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#include <getopt.h>
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#include <utility>
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#include <vector>
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namespace audio_proxy::service {
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namespace {
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std::pair<std::string, StreamConfig> parseStreamConfig(const char* optarg) {
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std::vector<std::string> tokens = android::base::Split(optarg, ":");
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if (tokens.size() != 3) {
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return {};
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}
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StreamConfig config;
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if (!android::base::ParseUint(tokens[1].c_str(), &config.bufferSizeMs)) {
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return {};
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}
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if (!android::base::ParseUint(tokens[2].c_str(), &config.latencyMs)) {
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return {};
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}
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return {tokens[0], config};
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}
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} // namespace
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std::optional<ServiceConfig> parseServiceConfigFromCommandLine(int argc,
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char** argv) {
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// $command --name service_name
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// --stream address1:buffer_size:latency
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// --stream address2:buffer_size:latency
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static option options[] = {
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{"name", required_argument, nullptr, 'n'},
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{"stream", required_argument, nullptr, 's'},
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{nullptr, 0, nullptr, 0},
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};
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// Reset, this is useful in unittest.
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optind = 0;
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ServiceConfig config;
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int val = 0;
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while ((val = getopt_long(argc, argv, "n:s:", options, nullptr)) != -1) {
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switch (val) {
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case 'n':
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config.name = optarg;
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break;
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case 's': {
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std::pair<std::string, StreamConfig> streamConfig =
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parseStreamConfig(optarg);
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if (streamConfig.first.empty()) {
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return std::nullopt;
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}
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auto it = config.streams.emplace(std::move(streamConfig));
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if (!it.second) {
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return std::nullopt;
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}
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break;
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}
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default:
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break;
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}
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}
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if (config.name.empty() || config.streams.empty()) {
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return std::nullopt;
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}
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return config;
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}
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} // namespace audio_proxy::service
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