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/*
** Zabbix
** Copyright (C) 2001-2021 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.
**/
#include "zbxipcservice.h"
#include "zbxjson.h"
#include "zbxrtc.h"
#include "rtc.h"
extern int CONFIG_TIMEOUT;
/******************************************************************************
* *
* Function: rtc_parse_log_level_parameter *
* *
* Purpose: parse loglevel runtime control option *
* *
* Parameters: opt - [IN] the runtime control option *
* len - [IN] the runtime control option length without *
* parameter *
* data - [OUT] the runtime control option result *
* error - [OUT] error message *
* *
* Return value: SUCCEED - the runtime control option was processed *
* FAIL - otherwise *
* *
******************************************************************************/
static int rtc_parse_log_level_parameter(const char *opt, size_t len, char **data, char **error)
{
struct zbx_json j;
const char *proc_name;
int pid = 0, proc_num = 0, proc_type = ZBX_PROCESS_TYPE_UNKNOWN;
if (SUCCEED != zbx_rtc_parse_loglevel_option(opt, len, &pid, &proc_type, &proc_num, error))
return FAIL;
if (0 != pid)
{
zbx_json_init(&j, 1024);
zbx_json_addint64(&j, ZBX_PROTO_TAG_PID, pid);
goto finish;
}
if (ZBX_PROCESS_TYPE_UNKNOWN == proc_type)
return SUCCEED;
proc_name = get_process_type_string((unsigned char)proc_type);
zbx_json_init(&j, 1024);
zbx_json_addstring(&j, ZBX_PROTO_TAG_PROCESS_NAME, proc_name, ZBX_JSON_TYPE_STRING);
if (0 != proc_num)
zbx_json_addint64(&j, ZBX_PROTO_TAG_PROCESS_NUM, proc_num);
finish:
*data = zbx_strdup(NULL, j.buffer);
zbx_json_clean(&j);
return SUCCEED;
}
/******************************************************************************
* *
* Function: rtc_parse_options *
* *
* Purpose: parse runtime control options and create a runtime control *
* message *
* *
* Parameters: opt - [IN] the command line argument *
* program_type - [IN] the program type *
* message - [OUT] the message containing options for log *
* level change or cache reload *
* *
* Return value: SUCCEED - the message was created successfully *
* FAIL - an error occurred *
* *
******************************************************************************/
static int rtc_parse_options(const char *opt, zbx_uint32_t *code, char **data, char **error)
{
if (0 == strncmp(opt, ZBX_LOG_LEVEL_INCREASE, ZBX_CONST_STRLEN(ZBX_LOG_LEVEL_INCREASE)))
{
*code = ZBX_RTC_LOG_LEVEL_INCREASE;
return rtc_parse_log_level_parameter(opt, ZBX_CONST_STRLEN(ZBX_LOG_LEVEL_INCREASE), data, error);
}
if (0 == strncmp(opt, ZBX_LOG_LEVEL_DECREASE, ZBX_CONST_STRLEN(ZBX_LOG_LEVEL_DECREASE)))
{
*code = ZBX_RTC_LOG_LEVEL_DECREASE;
return rtc_parse_log_level_parameter(opt, ZBX_CONST_STRLEN(ZBX_LOG_LEVEL_DECREASE), data, error);
}
if (0 == strcmp(opt, ZBX_CONFIG_CACHE_RELOAD))
{
*code = ZBX_RTC_CONFIG_CACHE_RELOAD;
return SUCCEED;
}
if (0 == strcmp(opt, ZBX_HOUSEKEEPER_EXECUTE))
{
*code = ZBX_RTC_HOUSEKEEPER_EXECUTE;
return SUCCEED;
}
if (0 == strcmp(opt, ZBX_SNMP_CACHE_RELOAD))
{
#ifdef HAVE_NETSNMP
*code = ZBX_RTC_SNMP_CACHE_RELOAD;
return SUCCEED;
#else
*error = zbx_strdup(NULL, "invalid runtime control option - no SNMP support enabled");
return FAIL;
#endif
}
if (0 == strncmp(opt, ZBX_DIAGINFO, ZBX_CONST_STRLEN(ZBX_DIAGINFO)))
{
const char *param = opt + ZBX_CONST_STRLEN(ZBX_DIAGINFO);
if ('=' == *param)
param++;
else if ('\0' == *param)
param = "all";
else
param = NULL;
if (NULL != param)
{
struct zbx_json j;
*code = ZBX_RTC_DIAGINFO;
zbx_json_init(&j, 1024);
zbx_json_addstring(&j, ZBX_PROTO_TAG_SECTION, param, ZBX_JSON_TYPE_STRING);
*data = zbx_strdup(NULL, j.buffer);
zbx_json_clean(&j);
return SUCCEED;
}
}
return SUCCEED;
}
/******************************************************************************
* *
* Function: zbx_rtc_process *
* *
* Purpose: process runtime control option and print result *
* *
* Parameters: opt - [IN] the runtime control option *
* error - [OUT] error message *
* *
* Return value: SUCCEED - the runtime control option was processed *
* FAIL - otherwise *
* *
******************************************************************************/
int zbx_rtc_process(const char *option, char **error)
{
zbx_uint32_t code = ZBX_RTC_UNKNOWN, size = 0;
char *data = NULL;
unsigned char *result = NULL;
int ret;
if (SUCCEED != rtc_parse_options(option, &code, &data, error))
return FAIL;
if (ZBX_RTC_UNKNOWN == code)
{
if (SUCCEED != rtc_parse_options_ex(option, &code, &data, error))
return FAIL;
if (ZBX_RTC_UNKNOWN == code)
{
*error = zbx_dsprintf(NULL, "unknown option \"%s\"", option);
return FAIL;
}
}
if (NULL != data)
size = (zbx_uint32_t)strlen(data) + 1;
if (SUCCEED == (ret = zbx_ipc_async_exchange(ZBX_IPC_SERVICE_RTC, code, CONFIG_TIMEOUT, (unsigned char *)data,
size, &result, error)))
{
if (NULL != result)
{
printf("%s", result);
zbx_free(result);
}
else
printf("No response\n");
}
zbx_free(data);
return ret;
}
int zbx_rtc_open(zbx_ipc_async_socket_t *asocket, int timeout, char **error)
{
if (FAIL == zbx_ipc_async_socket_open(asocket, ZBX_IPC_SERVICE_RTC, timeout, error))
return FAIL;
return SUCCEED;
}
/******************************************************************************
* *
* Function: zbx_rtc_notify_config_sync *
* *
* Purpose: notify RTC service about finishing initial configuration sync *
* *
* Parameters: error - [OUT] error message *
* *
* Return value: SUCCEED - the notification was sent successfully *
* FAIL - otherwise *
* *
******************************************************************************/
int zbx_rtc_notify_config_sync(char **error)
{
zbx_ipc_socket_t sock;
int ret;
if (FAIL == zbx_ipc_socket_open(&sock, ZBX_IPC_SERVICE_RTC, CONFIG_TIMEOUT, error))
return FAIL;
if (FAIL == (ret = zbx_ipc_socket_write(&sock, ZBX_RTC_CONFIG_SYNC_NOTIFY, NULL, 0)))
*error = zbx_strdup(NULL, "failed to send message");
zbx_ipc_socket_close(&sock);
return ret;
}
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