greenplumn s3utils 源码
greenplumn s3utils 代码
文件路径：/gpcontrib/gpcloud/include/s3utils.h
#ifndef __S3_UTILS_H__
#define __S3_UTILS_H__
#include "s3common_headers.h"
#include "s3http_headers.h"
#include "s3log.h"
#define MD5_DIGEST_STRING_LENGTH 17
#define SHA_DIGEST_STRING_LENGTH 41
#define SHA256_DIGEST_STRING_LENGTH 65
bool sha1hmac(const char* str, unsigned char out_hash[SHA_DIGEST_LENGTH], const char* secret,
int secret_len);
bool sha1hmac_hex(const char* str, char out_hash_hex[SHA_DIGEST_STRING_LENGTH], const char* secret,
int secret_len);
bool sha256(const char* string, unsigned char out_hash[SHA256_DIGEST_LENGTH]);
bool sha256_hex(const char* string, uint64_t length,
char out_hash_hex[SHA256_DIGEST_STRING_LENGTH]);
bool sha256_hex(const char* string, char out_hash_hex[SHA256_DIGEST_STRING_LENGTH]);
bool sha256hmac(const char* str, unsigned char out_hash[SHA256_DIGEST_LENGTH], const char* secret,
int secret_len);
bool sha256hmac_hex(const char* str, char out_hash_hex[SHA256_DIGEST_STRING_LENGTH],
const char* secret, int secret_len);
size_t find_Nth(const string& str, // where to work
unsigned N, // N'th occurrence
const string& find // what to 'find'
);
class MD5Calc {
public:
MD5Calc();
~MD5Calc(){};
bool Update(const char* data, int len);
const char* Get();
private:
MD5_CTX c;
unsigned char md5[MD5_DIGEST_STRING_LENGTH];
string result;
};
class Config {
public:
Config(const string& filename, const string& url, const char *datadir);
Config(const string& filename);
~Config();
bool SectionExist(const string& sec);
string Get(const string& sec, const string& key, const string& defaultvalue);
bool GetBool(const string& sec, const string& key, const string& defaultvalue);
bool Scan(const string& sec, const string& key, const char* scanfmt, void* dst);
int64_t SafeScan(const string& varName, const string& section, int64_t defaultValue,
int64_t minValue, int64_t maxValue);
void* Handle() {
return (void*)this->_conf;
};
private:
ini_t* _conf;
};
bool ToBool(string str);
string UriEncode(const string& src);
string UriDecode(const string& src);
void FindAndReplace(string& str, const string& find, const string& replace);
void SignRequestV4(const string& method, HTTPHeaders* headers, const string& origRegion,
const string& path, const string& query, const S3Credential& cred);
string GetOptS3(const string& options, const string& key);
string TruncateOptions(const string& url_with_options);
string ReplaceNewlineWithSpace(const string &urlWithOptions);
#endif // __S3_UTILS_H__
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