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/*
* Copyright (C) 2018 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 <string>
namespace cuttlefish {
// Returns the instance number as obtained from the
// *kCuttlefishInstanceEnvVarName environment variable or the username.
int GetInstance();
// Returns default Vsock CID, which is
// GetInstance() + 2
int GetDefaultVsockCid();
// Calculates vsock server port number
// return base + (vsock_guest_cid - 3)
int GetVsockServerPort(const int base,
const int vsock_guest_cid);
// Returns a path where the launcher puts a link to the config file which makes
// it easily discoverable regardless of what vm manager is in use
std::string GetGlobalConfigFileLink();
// These functions modify a given base value to make it different across
// different instances by appending the instance id in case of strings or adding
// it in case of integers.
std::string ForCurrentInstance(const char* prefix);
int ForCurrentInstance(int base);
int InstanceFromString(std::string instance_str);
// Returns a random serial number appeneded to a given prefix.
std::string RandomSerialNumber(const std::string& prefix);
std::string DefaultHostArtifactsPath(const std::string& file);
std::string DefaultQemuBinaryDir();
std::string HostBinaryPath(const std::string& file);
std::string HostUsrSharePath(const std::string& file);
std::string DefaultGuestImagePath(const std::string& file);
std::string DefaultEnvironmentPath(const char* environment_key,
const char* default_value,
const char* path);
// Whether the host supports qemu
bool HostSupportsQemuCli();
}
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