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https://github.com/nestriness/cdc-file-transfer.git
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a381541d1b
Switch asset_stream_manager to use Lyra Lyra has a nice simple interface, but a few quirks that we work around, mainly in the BaseCommand class: - It does not support return values from running a command. - It does not support return values from a custom arg parser. - Lyra interprets --bad_arg as positional argument. Fixes #15
44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
// Copyright 2022 Google LLC
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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 "asset_stream_manager/start_service_command.h"
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#include "lyra/lyra.hpp"
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int main(int argc, char* argv[]) {
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// Set up commands.
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auto cli = lyra::cli();
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bool show_help = false;
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int exit_code = -1;
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cli.add_argument(lyra::help(show_help));
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cdc_ft::StartServiceCommand start_service(&exit_code);
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start_service.Register(cli);
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// Parse args and run. Note that parse actually runs the commands.
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// exit_code is -1 if no command was run.
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auto result = cli.parse({argc, argv});
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if (show_help || exit_code == -1) {
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std::cout << cli;
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return 0;
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}
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if (!result) {
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// Parse error.
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std::cerr << "Error: " << result.message() << std::endl;
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return 1;
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}
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// If cli.parse() succeeds, it also runs the commands and writes |exit_code|.
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return exit_code;
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}
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