#ifndef S3FS_CURL_H_
#define S3FS_CURL_H_

// memory structure for curl write memory callback 
struct BodyStruct {
  char *text;    
  size_t size;
};

// memory structure for POST
struct WriteThis {
  const char *readptr;
  int sizeleft;
};

typedef std::pair<double, double> progress_t;
typedef std::map<std::string, std::string> headers_t;

extern int retries;
extern long connect_timeout;
extern time_t readwrite_timeout;
extern bool debug;
extern std::string program_name;
extern std::string ssl_verify_hostname;
extern std::string AWSAccessKeyId;
extern std::string AWSSecretAccessKey;
extern std::string service_path;
extern std::string host;
extern std::string bucket;
extern std::string public_bucket;

static const EVP_MD* evp_md = EVP_sha1();
static size_t header_callback(void *data, size_t blockSize, size_t numBlocks, void *userPtr);

CURL *create_curl_handle(void);
void destroy_curl_handle(CURL *curl_handle);
int curl_delete(const char *path);
int curl_get_headers(const char *path, headers_t &meta);
int my_curl_easy_perform(CURL* curl, BodyStruct* body = NULL, FILE* f = 0);
size_t WriteMemoryCallback(void *ptr, size_t blockSize, size_t numBlocks, void *data);
size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp);
int my_curl_progress(
    void *clientp, double dltotal, double dlnow, double ultotal, double ulnow);
std::string calc_signature(
    std::string method, std::string content_type, std::string date, curl_slist* headers, std::string resource);
void locate_bundle(void);

#endif // S3FS_CURL_H_