/**

 * This file is part of the CernVM File System.

 */

#ifndef CVMFS_SERVER_TOOL_H_

#define CVMFS_SERVER_TOOL_H_

#include <string>

#include "download.h"

#include "manifest_fetch.h"

#include "reflog.h"

#include "signature.h"

#include "statistics.h"

#include "util/pointer.h"

class ServerTool {

 public:

  ServerTool();

  virtual ~ServerTool();

  bool InitDownloadManager(const bool follow_redirects,

                           const unsigned max_pool_handles = 1,

                           const bool use_system_proxy = true);

  bool InitVerifyingSignatureManager(const std::string &pubkey_path,

                                     const std::string &trusted_certs = "");

  bool InitSigningSignatureManager(const std::string &certificate_path,

                                   const std::string &private_key_path,

                                   const std::string &private_key_password);

  manifest::Manifest *OpenLocalManifest(const std::string path) const;

  manifest::Failures FetchRemoteManifestEnsemble(

      const std::string &repository_url, const std::string &repository_name,

      manifest::ManifestEnsemble *ensemble) const;

  manifest::Manifest *FetchRemoteManifest(

      const std::string &repository_url, const std::string &repository_name,

      const shash::Any &base_hash = shash::Any()) const;

  template <class ObjectFetcherT>

  manifest::Reflog *FetchReflog(ObjectFetcherT *object_fetcher,

                                const std::string &repo_name,

                                const shash::Any &reflog_hash);

  manifest::Reflog *CreateEmptyReflog(const std::string &temp_directory,

                                      const std::string &repo_name);

  download::DownloadManager *download_manager() const;

  signature::SignatureManager *signature_manager() const;

  const perf::Statistics *statistics() const { return &statistics_; }

 protected:

  UniquePtr<download::DownloadManager> download_manager_;

  UniquePtr<signature::SignatureManager> signature_manager_;

  perf::Statistics statistics_;

 private:

  static const unsigned kDownloadTimeout = 60;  // 1 minute

  static const unsigned kDownloadRetries = 1;   // 2 attempts in total

};

#include "server_tool_impl.h"

#endif  // CVMFS_SERVER_TOOL_H_