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common.h

/************************************************************************
 *
 * COMMON.H - NRPE Common Include File
 * Copyright (c) 1999-2003 Ethan Galstad (nagios@nagios.org)
 * Last Modified: 03-05-2003
 *
 * License:
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 ************************************************************************/

#include "config.h"

#define PROGRAM_VERSION "2.5.1"
#define MODIFICATION_DATE "04-09-2006"

#define OK        0
#define ERROR           -1

#define TRUE            1
#define FALSE           0

#define STATE_UNKNOWN   3     /* service state return codes */
#define     STATE_CRITICAL    2
#define STATE_WARNING   1
#define STATE_OK        0


#define DEFAULT_SOCKET_TIMEOUT      10    /* timeout after 10 seconds */

#define MAX_INPUT_BUFFER      2048  /* max size of most buffers we use */
#define MAX_FILENAME_LENGTH     256

#define MAX_HOST_ADDRESS_LENGTH     256   /* max size of a host address */

#define NRPE_HELLO_COMMAND      "_NRPE_CHECK"

#define MAX_COMMAND_ARGUMENTS   16


/**************** PACKET STRUCTURE DEFINITION **********/

#define QUERY_PACKET          1           /* id code for a packet containing a query */
#define     RESPONSE_PACKET         2           /* id code for a packet containing a response */

#define NRPE_PACKET_VERSION_2   2               /* packet version identifier */
#define NRPE_PACKET_VERSION_1 1           /* older packet version identifiers (no longer supported) */

#define MAX_PACKETBUFFER_LENGTH     1024        /* max amount of data we'll send in one query/response */

typedef struct packet_struct{
      int16_t   packet_version;
      int16_t   packet_type;
      u_int32_t crc32_value;
      int16_t   result_code;
      char      buffer[MAX_PACKETBUFFER_LENGTH];
        }packet;

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