Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

#ifndef ZABBIX_ZBXIPCSERVICE_H

#define ZABBIX_ZBXIPCSERVICE_H

​

#include "zbxalgo.h"

#include "zbxtime.h"

​

#define ZBX_IPC_SOCKET_BUFFER_SIZE  4096

​

#define ZBX_IPC_RECV_IMMEDIATE  0

#define ZBX_IPC_RECV_WAIT   1

#define ZBX_IPC_RECV_TIMEOUT    2

​

#define ZBX_IPC_WAIT_FOREVER    -1

​

typedef struct

{

    /* the message code */

    zbx_uint32_t    code;

​

    /* the data size */

    zbx_uint32_t    size;

​

    /* the data */

    unsigned char   *data;

}

zbx_ipc_message_t;

​

/* Messaging socket, providing blocking connections to IPC service. */

/* The IPC socket api is used for simple write/read operations.     */

typedef struct

{

    /* socket descriptor */

    int     fd;

​

    /* incoming data buffer */

    unsigned char   rx_buffer[ZBX_IPC_SOCKET_BUFFER_SIZE];

    zbx_uint32_t    rx_buffer_bytes;

    zbx_uint32_t    rx_buffer_offset;

}

zbx_ipc_socket_t;

​

typedef struct zbx_ipc_client zbx_ipc_client_t;

​

/* IPC service */