client.h

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/*
 * 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.
 */
 
#pragma once
 
#include <optional>
#include <string>
 
#include <android-base/logging.h>
 
#include "cuttlefish/common/libs/fs/shared_fd.h"
#include "cuttlefish/common/libs/utils/result.h"
#include "cuttlefish/common/libs/utils/unix_sockets.h"
#include "cuttlefish/host/commands/cvd/legacy/cvd_server.pb.h"
#include "cuttlefish/host/commands/cvd/legacy/server_constants.h"
 
namespace cuttlefish {
 
class CvdClient {
 public:
  CvdClient(android::base::LogSeverity verbosity,
            const std::string& server_socket_path = ServerSocketPath());
 
  Result<void> ConnectToServer();
 
  Result<void> StopCvdServer(bool clear);
 
  Result<void> RestartServerMatchClient();
 
 private:
  struct OverrideFd {
    std::optional<SharedFD> stdin_override_fd;
    std::optional<SharedFD> stdout_override_fd;
    std::optional<SharedFD> stderr_override_fd;
  };
 
  Result<void> SetServer(const SharedFD& server);
  Result<cvd::Response> SendRequest(const cvd::Request& request,
                                    const OverrideFd& new_control_fds = {},
                                    std::optional<SharedFD> extra_fd = {});
  Result<void> CheckStatus(const cvd::Status& status, const std::string& rpc);
 
  std::optional<UnixMessageSocket> server_;
  std::string server_socket_path_;
  android::base::LogSeverity verbosity_;
};
 
}  // end of namespace cuttlefish