// Copyright (C) 2017-2019 Baidu, Inc. 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.
//  * Neither the name of Baidu, Inc., nor the names of its
//    contributors may be used to endorse or promote products derived
//    from this software without specific prior written permission.
//
// 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.

#ifndef UTILITY_FUNCTIONS_H
#define UTILITY_FUNCTIONS_H

#include <iostream>
#include <sstream>
#include <string>
#include <iomanip>
#include <fstream>
#include <vector>
#include <jsoncpp/json/json.h>
#include <boost/archive/iterators/base64_from_binary.hpp>
#include <boost/archive/iterators/insert_linebreaks.hpp>
#include <boost/archive/iterators/transform_width.hpp>
#include <boost/archive/iterators/ostream_iterator.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/archive/iterators/binary_from_base64.hpp>
#include <boost/archive/iterators/remove_whitespace.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/uuid/uuid.hpp>
#include <boost/uuid/uuid_generators.hpp>
#include <boost/uuid/uuid_io.hpp>

#include "LogBase.h"
#include "sgx_urts.h"
#include "Base64.h"

using namespace std;
using namespace boost::archive::iterators;
using boost::lexical_cast;
using boost::uuids::uuid;
using boost::uuids::random_generator;

#define FILE_UUID_LENGTH 32

typedef struct _sgx_errlist_t {
    sgx_status_t err;
    const char *msg;
    const char *sug; /* Suggestion */
} sgx_errlist_t;

void print_error_message(sgx_status_t ret);

void SafeFree(void *ptr);

string GetRandomString();

string ByteArrayToString(const uint8_t *arr, int size);
string ByteArrayToStringNoFill(const uint8_t *arr, int size);
int StringToByteArray(string str, uint8_t **arr);
string ByteArrayToNoHexString(const uint8_t *arr, int size);
string UIntToString(uint32_t *arr, int size);
int HexStringToByteArray(string str, uint8_t **arr);

int ReadFileToBuffer(string filePath, uint8_t **content);
int ReadFileToBuffer(string filePath, char **content);
int SaveBufferToFile(string filePath, string content);
int RemoveFile(string filePath);

string Base64encode(const string val);
string Base64decode(const string val);
string Base64encodeUint8(uint8_t *val, uint32_t len);

#endif