/*
     This file is part of GNUnet
     Copyright (C) 2012, 2013 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
 */
/**
 * @file regex/regex_ipc.h
 * @brief regex IPC messages (not called 'regex.h' due to conflict with
 *        system headers)
 * @author Christian Grothoff
 */
#ifndef REGEX_IPC_H
#define REGEX_IPC_H

#include "gnunet_util_lib.h"

/**
 * Request for regex service to announce capability.
 */
struct AnnounceMessage
{
  /**
   * Type is GNUNET_MESSAGE_TYPE_REGEX_ANNOUNCE
   */
  struct GNUNET_MessageHeader header;

  /**
   * How many characters can we squeeze per edge?
   */
  uint16_t compression;

  /**
   * Always zero.
   */
  uint16_t reserved;

  /**
   * Delay between repeated announcements.
   */
  struct GNUNET_TIME_RelativeNBO refresh_delay;

  /* followed by 0-terminated regex as string */
};


/**
 * Message to initiate regex search.
 */
struct RegexSearchMessage
{
  /**
   * Type is GNUNET_MESSAGE_TYPE_REGEX_SEARCH
   */
  struct GNUNET_MessageHeader header;

  /* followed by 0-terminated search string */
};


/**
 * Result from regex search.
 */
struct ResultMessage
{
  /**
   * Type is GNUNET_MESSAGE_TYPE_REGEX_RESULT
   */
  struct GNUNET_MessageHeader header;

  /**
   * Number of entries in the GET path.
   */
  uint16_t get_path_length;

  /**
   * Number of entries in the PUT path.
   */
  uint16_t put_path_length;

  /**
   * Identity of the peer that was found.
   */
  struct GNUNET_PeerIdentity id;

  /* followed by GET path and PUT path arrays */
};


/* end of regex_ipc.h */
#endif
