gnunet_statistics_service.h

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/*
      This file is part of GNUnet
      Copyright (C) 2009-2013, 2016 GNUnet e.V.
 
      GNUnet is free software: you can redistribute it and/or modify it
      under the terms of the GNU Affero General Public License as published
      by the Free Software Foundation, either version 3 of the License,
      or (at your option) any later version.
 
      GNUnet is distributed in the hope that it will be useful, but
      WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      Affero General Public License for more details.
 
      You should have received a copy of the GNU Affero General Public License
      along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
     SPDX-License-Identifier: AGPL3.0-or-later
 */
 
#ifndef GNUNET_STATISTICS_SERVICE_H
#define GNUNET_STATISTICS_SERVICE_H
 
#ifdef __cplusplus
extern "C"
{
#if 0                           /* keep Emacsens' auto-indent happy */
}
#endif
#endif
 
 
#include "gnunet_util_lib.h"
 
#define GNUNET_STATISTICS_VERSION 0x00000000
 
struct GNUNET_STATISTICS_Handle;
 
typedef int
(*GNUNET_STATISTICS_Iterator) (void *cls,
                               const char *subsystem,
                               const char *name,
                               uint64_t value,
                               int is_persistent);
 
 
struct GNUNET_STATISTICS_Handle *
GNUNET_STATISTICS_create (const char *subsystem,
                          const struct GNUNET_CONFIGURATION_Handle *cfg);
 
 
void
GNUNET_STATISTICS_destroy (struct GNUNET_STATISTICS_Handle *h,
                           int sync_first);
 
 
int
GNUNET_STATISTICS_watch (struct GNUNET_STATISTICS_Handle *handle,
                         const char *subsystem,
                         const char *name,
                         GNUNET_STATISTICS_Iterator proc,
                         void *proc_cls);
 
 
int
GNUNET_STATISTICS_watch_cancel (struct GNUNET_STATISTICS_Handle *handle,
                                const char *subsystem,
                                const char *name,
                                GNUNET_STATISTICS_Iterator proc,
                                void *proc_cls);
 
 
typedef void
(*GNUNET_STATISTICS_Callback) (void *cls,
                               int success);
 
 
struct GNUNET_STATISTICS_GetHandle;
 
 
struct GNUNET_STATISTICS_GetHandle *
GNUNET_STATISTICS_get (struct GNUNET_STATISTICS_Handle *handle,
                       const char *subsystem,
                       const char *name,
                       GNUNET_STATISTICS_Callback cont,
                       GNUNET_STATISTICS_Iterator proc,
                       void *cls);
 
 
void
GNUNET_STATISTICS_get_cancel (struct GNUNET_STATISTICS_GetHandle *gh);
 
 
void
GNUNET_STATISTICS_set (struct GNUNET_STATISTICS_Handle *handle,
                       const char *name,
                       uint64_t value,
                       int make_persistent);
 
 
void
GNUNET_STATISTICS_update (struct GNUNET_STATISTICS_Handle *handle,
                          const char *name,
                          int64_t delta,
                          int make_persistent);
 
 
#if 0                           /* keep Emacsens' auto-indent happy */
{
#endif
#ifdef __cplusplus
}
#endif
 /* end of group statistics */
 /* end of group addition */
 
#endif