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/*
** Zabbix
** Copyright (C) 2001-2019 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 "control.h"
static int parse_log_level_options(const char *opt, size_t len, unsigned int *scope, unsigned int *data)
{
unsigned short num = 0;
const char *rtc_options;
rtc_options = opt + len;
if ('\0' == *rtc_options)
{
*scope = ZBX_RTC_LOG_SCOPE_FLAG | ZBX_RTC_LOG_SCOPE_PID;
*data = 0;
}
else if ('=' != *rtc_options)
{
zbx_error("invalid runtime control option: %s", opt);
return FAIL;
}
else if (0 != isdigit(*(++rtc_options)))
{
/* convert PID */
if (FAIL == is_ushort(rtc_options, &num) || 0 == num)
{
zbx_error("invalid log level control target: invalid or unsupported process identifier");
return FAIL;
}
*scope = ZBX_RTC_LOG_SCOPE_FLAG | ZBX_RTC_LOG_SCOPE_PID;
*data = num;
}
else
{
char *proc_name = NULL, *proc_num;
int proc_type;
if ('\0' == *rtc_options)
{
zbx_error("invalid log level control target: unspecified process identifier or type");
return FAIL;
}
proc_name = zbx_strdup(proc_name, rtc_options);
if (NULL != (proc_num = strchr(proc_name, ',')))
*proc_num++ = '\0';
if ('\0' == *proc_name)
{
zbx_error("invalid log level control target: unspecified process type");
zbx_free(proc_name);
return FAIL;
}
if (ZBX_PROCESS_TYPE_UNKNOWN == (proc_type = get_process_type_by_name(proc_name)))
{
zbx_error("invalid log level control target: unknown process type \"%s\"", proc_name);
zbx_free(proc_name);
return FAIL;
}
if (NULL != proc_num)
{
if ('\0' == *proc_num)
{
zbx_error("invalid log level control target: unspecified process number");
zbx_free(proc_name);
return FAIL;
}
/* convert Zabbix process number (e.g. "2" in "poller,2") */
if (FAIL == is_ushort(proc_num, &num) || 0 == num)
{
zbx_error("invalid log level control target: invalid or unsupported process number"
" \"%s\"", proc_num);
zbx_free(proc_name);
return FAIL;
}
}
zbx_free(proc_name);
*scope = ZBX_RTC_LOG_SCOPE_PROC | (unsigned int)proc_type;
*data = num;
}
return SUCCEED;
}
/******************************************************************************
* *
* Function: parse_rtc_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 *
* *
******************************************************************************/
int parse_rtc_options(const char *opt, unsigned char program_type, int *message)
{
unsigned int scope, data, command;
if (0 == strncmp(opt, ZBX_LOG_LEVEL_INCREASE, ZBX_CONST_STRLEN(ZBX_LOG_LEVEL_INCREASE)))
{
command = ZBX_RTC_LOG_LEVEL_INCREASE;
if (SUCCEED != parse_log_level_options(opt, ZBX_CONST_STRLEN(ZBX_LOG_LEVEL_INCREASE), &scope, &data))
return FAIL;
}
else if (0 == strncmp(opt, ZBX_LOG_LEVEL_DECREASE, ZBX_CONST_STRLEN(ZBX_LOG_LEVEL_DECREASE)))
{
command = ZBX_RTC_LOG_LEVEL_DECREASE;
if (SUCCEED != parse_log_level_options(opt, ZBX_CONST_STRLEN(ZBX_LOG_LEVEL_DECREASE), &scope, &data))
return FAIL;
}
else if (0 != (program_type & (ZBX_PROGRAM_TYPE_SERVER | ZBX_PROGRAM_TYPE_PROXY)) &&
0 == strcmp(opt, ZBX_CONFIG_CACHE_RELOAD))
{
command = ZBX_RTC_CONFIG_CACHE_RELOAD;
scope = 0;
data = 0;
}
else if (0 != (program_type & (ZBX_PROGRAM_TYPE_SERVER | ZBX_PROGRAM_TYPE_PROXY)) &&
0 == strcmp(opt, ZBX_HOUSEKEEPER_EXECUTE))
{
command = ZBX_RTC_HOUSEKEEPER_EXECUTE;
scope = 0;
data = 0;
}
else
{
zbx_error("invalid runtime control option: %s", opt);
return FAIL;
}
*message = (int)ZBX_RTC_MAKE_MESSAGE(command, scope, data);
return SUCCEED;
}
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