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/*
* Copyright (C) 2018 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#pragma once
#include <cstdlib>
#include <deque>
#include <limits>
#include <string>
#include <vector>
#include <android-base/logging.h>
#include <android-base/stringprintf.h>
#include <bootimg.h>
#include <inttypes.h>
#include <sparse/sparse.h>
#include "transport.h"
class Transport;
namespace fastboot {
static constexpr int FB_COMMAND_SZ = 64;
static constexpr int FB_RESPONSE_SZ = 64;
enum RetCode : int {
SUCCESS = 0,
BAD_ARG,
IO_ERROR,
BAD_DEV_RESP,
DEVICE_FAIL,
TIMEOUT,
};
class FastBootDriver {
friend class FastBootTest;
public:
static constexpr int RESP_TIMEOUT = 30; // 30 seconds
static constexpr uint32_t MAX_DOWNLOAD_SIZE = std::numeric_limits<uint32_t>::max();
static constexpr size_t TRANSPORT_CHUNK_SIZE = 1024;
FastBootDriver(Transport* transport,
std::function<void(std::string&)> info = [](std::string&) {},
bool no_checks = false);
RetCode Boot(std::string* response = nullptr, std::vector<std::string>* info = nullptr);
RetCode Continue(std::string* response = nullptr, std::vector<std::string>* info = nullptr);
RetCode Download(int fd, size_t size, std::string* response = nullptr,
std::vector<std::string>* info = nullptr);
RetCode Download(const std::vector<char>& buf, std::string* response = nullptr,
std::vector<std::string>* info = nullptr);
// This will be removed after fastboot is modified to use a vector
RetCode Download(const char* buf, uint32_t size, std::string* response = nullptr,
std::vector<std::string>* info = nullptr);
RetCode Download(sparse_file* s, bool use_crc = false, std::string* response = nullptr,
std::vector<std::string>* info = nullptr);
RetCode Erase(const std::string& part, std::string* response = nullptr,
std::vector<std::string>* info = nullptr);
RetCode Flash(const std::string& part, std::string* response = nullptr,
std::vector<std::string>* info = nullptr);
RetCode GetVar(const std::string& key, std::string* val,
std::vector<std::string>* info = nullptr);
RetCode GetVarAll(std::vector<std::string>* response);
RetCode Powerdown(std::string* response = nullptr, std::vector<std::string>* info = nullptr);
RetCode Reboot(std::string* response = nullptr, std::vector<std::string>* info = nullptr);
RetCode SetActive(const std::string& part, std::string* response = nullptr,
std::vector<std::string>* info = nullptr);
RetCode Upload(const std::string& outfile, std::string* response = nullptr,
std::vector<std::string>* info = nullptr);
RetCode Verify(uint32_t num, std::string* response = nullptr,
std::vector<std::string>* info = nullptr);
/* HIGHER LEVEL COMMANDS -- Composed of the commands above */
RetCode FlashPartition(const std::string& part, const std::vector<char>& data);
RetCode FlashPartition(const std::string& part, int fd, uint32_t sz);
RetCode FlashPartition(const std::string& part, sparse_file* s);
RetCode Partitions(std::vector<std::tuple<std::string, uint32_t>>* parts);
RetCode Require(const std::string& var, const std::vector<std::string>& allowed, bool* reqmet,
bool invert = false);
/* HELPERS */
void SetInfoCallback(std::function<void(std::string&)> info);
static const std::string RCString(RetCode rc);
std::string Error();
RetCode WaitForDisconnect();
// This is temporarily public for engine.cpp
RetCode RawCommand(const std::string& cmd, std::string* response = nullptr,
std::vector<std::string>* info = nullptr, int* dsize = nullptr);
protected:
RetCode DownloadCommand(uint32_t size, std::string* response = nullptr,
std::vector<std::string>* info = nullptr);
RetCode HandleResponse(std::string* response = nullptr,
std::vector<std::string>* info = nullptr, int* dsize = nullptr);
std::string ErrnoStr(const std::string& msg);
// More like a namespace...
struct Commands {
static const std::string BOOT;
static const std::string CONTINUE;
static const std::string DOWNLOAD;
static const std::string ERASE;
static const std::string FLASH;
static const std::string GET_VAR;
static const std::string POWERDOWN;
static const std::string REBOOT;
static const std::string SET_ACTIVE;
static const std::string UPLOAD;
static const std::string VERIFY;
};
Transport* const transport;
private:
RetCode SendBuffer(int fd, size_t size);
RetCode SendBuffer(const std::vector<char>& buf);
RetCode SendBuffer(const void* buf, size_t size);
RetCode ReadBuffer(std::vector<char>& buf);
RetCode ReadBuffer(void* buf, size_t size);
int SparseWriteCallback(std::vector<char>& tpbuf, const char* data, size_t len);
std::string error_;
std::function<void(std::string&)> info_cb_;
bool disable_checks_;
};
} // namespace fastboot
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