Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program 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, version 3.

**

** 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 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 <https://www.gnu.org/licenses/>.

**/

​

#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;

​

ZBX_PTR_VECTOR_DECL(ipc_client_ptr, zbx_ipc_client_t *)

​

/* IPC service */

typedef struct

{

    /* the listening socket descriptor */