proxy_common.h

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/*
 * Copyright (C) 2024 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.
 */
#ifndef ANDROID_DEVICE_GOOGLE_CUTTLEFISH_HOST_COMMANDS_SANDBOX_PROCESS_PROXY_COMMON_H
#define ANDROID_DEVICE_GOOGLE_CUTTLEFISH_HOST_COMMANDS_SANDBOX_PROCESS_PROXY_COMMON_H
 
#include <sys/socket.h>
#include <sys/un.h>
 
#include <optional>
#include <string>
#include <string_view>
 
#include "absl/status/statusor.h"
 
namespace cuttlefish::process_sandboxer {
 
static const constexpr std::string_view kHandshakeBegin = "hello";
static const constexpr std::string_view kManagerSocketPath = "/manager.sock";
 
class Message {
 public:
  static absl::StatusOr<Message> RecvFrom(int sock);
 
  const std::string& Data() const;
  absl::StatusOr<int> DataAsInt() const;
 
  const std::optional<ucred>& Credentials() const;
 
  std::string StrError() const;
 
 private:
  Message() = default;
 
  std::string data_;
  std::optional<ucred> credentials_;
};
 
absl::StatusOr<size_t> SendStringMsg(int sock, std::string_view msg);
 
}  // namespace cuttlefish::process_sandboxer
#endif