267 lines
6.3 KiB
C
267 lines
6.3 KiB
C
/*
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2018-09-07 armink the first version
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
#include <ulog.h>
|
|
#include <rthw.h>
|
|
#include <stdint.h>
|
|
#include "syslog.h"
|
|
|
|
#ifdef ULOG_OUTPUT_FLOAT
|
|
#include <stdio.h>
|
|
#endif
|
|
|
|
/*
|
|
* reference:
|
|
* http://pubs.opengroup.org/onlinepubs/7908799/xsh/syslog.h.html
|
|
* https://www.gnu.org/software/libc/manual/html_node/Submitting-Syslog-Messages.html
|
|
* http://man7.org/linux/man-pages/man3/syslog.3.html
|
|
*/
|
|
|
|
#ifdef ULOG_USING_SYSLOG
|
|
|
|
#include <sys/time.h>
|
|
|
|
#ifndef ULOG_SYSLOG_IDENT_MAX_LEN
|
|
#define ULOG_SYSLOG_IDENT_MAX_LEN ULOG_FILTER_TAG_MAX_LEN
|
|
#endif
|
|
|
|
static char local_ident[ULOG_SYSLOG_IDENT_MAX_LEN + 1];
|
|
static int local_facility = LOG_USER;
|
|
static int local_option = LOG_USER;
|
|
static rt_bool_t is_open = RT_FALSE;
|
|
|
|
/**
|
|
* open connection to syslog
|
|
*
|
|
* @param ident is an arbitrary identification string which future syslog invocations will prefix to each message.
|
|
* @param option is not using on ulog.
|
|
* @param facility is the default facility code for this connection.
|
|
*/
|
|
void openlog(const char *ident, int option, int facility)
|
|
{
|
|
rt_base_t level;
|
|
|
|
ulog_init();
|
|
|
|
level = rt_hw_interrupt_disable();
|
|
|
|
rt_memset(local_ident, 0, sizeof(local_ident));
|
|
if (ident)
|
|
{
|
|
rt_strncpy(local_ident, ident, ULOG_SYSLOG_IDENT_MAX_LEN);
|
|
}
|
|
else
|
|
{
|
|
rt_strncpy(local_ident, "rtt", ULOG_SYSLOG_IDENT_MAX_LEN);
|
|
}
|
|
|
|
local_option = option;
|
|
|
|
if (facility)
|
|
{
|
|
local_facility = facility;
|
|
}
|
|
else
|
|
{
|
|
/* default facility is LOG_USER */
|
|
local_facility = LOG_USER;
|
|
}
|
|
/* output all level log */
|
|
setlogmask(LOG_UPTO(LOG_DEBUG));
|
|
|
|
is_open = RT_TRUE;
|
|
|
|
rt_hw_interrupt_enable(level);
|
|
|
|
}
|
|
|
|
/**
|
|
* This is functionally identical to syslog.
|
|
*
|
|
* @param priority log priority, can be generated by the macro LOG_MAKEPRI
|
|
* @param format log format
|
|
* @param args log arguments
|
|
*/
|
|
void vsyslog(int priority, const char *format, va_list args)
|
|
{
|
|
if (LOG_FAC(priority) == 0)
|
|
{
|
|
/* using local facility */
|
|
priority |= local_facility;
|
|
}
|
|
|
|
ulog_voutput(priority, local_ident, RT_TRUE, format, args);
|
|
}
|
|
|
|
/**
|
|
* generates a log message
|
|
*
|
|
* @param priority log priority, can be generated by the macro LOG_MAKEPRI
|
|
* @param format log format, like printf()
|
|
*/
|
|
void syslog(int priority, const char *format, ...)
|
|
{
|
|
va_list args;
|
|
|
|
if (!is_open)
|
|
{
|
|
openlog(0, 0, 0);
|
|
}
|
|
/* args point to the first variable parameter */
|
|
va_start(args, format);
|
|
|
|
vsyslog(priority, format, args);
|
|
|
|
va_end(args);
|
|
}
|
|
|
|
/**
|
|
* close the syslog
|
|
*/
|
|
void closelog(void)
|
|
{
|
|
ulog_deinit();
|
|
|
|
is_open = RT_FALSE;
|
|
}
|
|
|
|
/**
|
|
* set log priority mask
|
|
*
|
|
* @param mask The log priority mask which generate by macro LOG_MASK and LOG_UPTO.
|
|
*
|
|
* @return This function returns the previous log priority mask.
|
|
*/
|
|
int setlogmask(int mask)
|
|
{
|
|
static int old_mask = 0;
|
|
int return_mask = old_mask;
|
|
|
|
ulog_tag_lvl_filter_set(local_ident, mask);
|
|
|
|
old_mask = mask;
|
|
|
|
return return_mask;
|
|
}
|
|
|
|
static const char *get_month_str(uint8_t month)
|
|
{
|
|
switch(month)
|
|
{
|
|
case 1: return "Jan";
|
|
case 2: return "Feb";
|
|
case 3: return "Mar";
|
|
case 4: return "Apr";
|
|
case 5: return "May";
|
|
case 6: return "June";
|
|
case 7: return "July";
|
|
case 8: return "Aug";
|
|
case 9: return "Sept";
|
|
case 10: return "Oct";
|
|
case 11: return "Nov";
|
|
case 12: return "Dec";
|
|
default: return "Unknown";
|
|
}
|
|
}
|
|
|
|
RT_WEAK rt_size_t syslog_formater(char *log_buf, int level, const char *tag, rt_bool_t newline, const char *format, va_list args)
|
|
{
|
|
extern size_t ulog_strcpy(size_t cur_len, char *dst, const char *src);
|
|
|
|
rt_size_t log_len = 0, newline_len = rt_strlen(ULOG_NEWLINE_SIGN);
|
|
int fmt_result;
|
|
|
|
RT_ASSERT(log_buf);
|
|
RT_ASSERT(LOG_PRI(level) <= LOG_DEBUG);
|
|
RT_ASSERT(tag);
|
|
RT_ASSERT(format);
|
|
|
|
/* add time and priority (level) info */
|
|
{
|
|
time_t now = time(RT_NULL);
|
|
struct tm *tm, tm_tmp;
|
|
|
|
tm = gmtime_r(&now, &tm_tmp);
|
|
|
|
#ifdef ULOG_OUTPUT_LEVEL
|
|
rt_snprintf(log_buf + log_len, ULOG_LINE_BUF_SIZE - log_len, "<%d>%s%3d %02d:%02d:%02d", level,
|
|
get_month_str(tm->tm_mon + 1), tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
|
|
#else
|
|
rt_snprintf(log_buf + log_len, ULOG_LINE_BUF_SIZE - log_len, "%s%3d %02d:%02d:%02d",
|
|
get_month_str(tm->tm_mon + 1), tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
|
|
#endif /* ULOG_OUTPUT_LEVEL */
|
|
|
|
log_len += rt_strlen(log_buf + log_len);
|
|
}
|
|
|
|
#ifdef ULOG_OUTPUT_TAG
|
|
/* add identification (tag) info */
|
|
{
|
|
log_len += ulog_strcpy(log_len, log_buf + log_len, " ");
|
|
log_len += ulog_strcpy(log_len, log_buf + log_len, tag);
|
|
}
|
|
#endif /* ULOG_OUTPUT_TAG */
|
|
|
|
#ifdef ULOG_OUTPUT_THREAD_NAME
|
|
/* add thread info */
|
|
{
|
|
log_len += ulog_strcpy(log_len, log_buf + log_len, " ");
|
|
/* is not in interrupt context */
|
|
if (rt_interrupt_get_nest() == 0)
|
|
{
|
|
log_len += ulog_strcpy(log_len, log_buf + log_len, rt_thread_self()->name);
|
|
}
|
|
else
|
|
{
|
|
log_len += ulog_strcpy(log_len, log_buf + log_len, "ISR");
|
|
}
|
|
}
|
|
#endif /* ULOG_OUTPUT_THREAD_NAME */
|
|
|
|
log_len += ulog_strcpy(log_len, log_buf + log_len, ": ");
|
|
|
|
#ifdef ULOG_OUTPUT_FLOAT
|
|
fmt_result = vsnprintf(log_buf + log_len, ULOG_LINE_BUF_SIZE - log_len, format, args);
|
|
#else
|
|
fmt_result = rt_vsnprintf(log_buf + log_len, ULOG_LINE_BUF_SIZE - log_len, format, args);
|
|
#endif /* ULOG_OUTPUT_FLOAT */
|
|
|
|
/* calculate log length */
|
|
if ((log_len + fmt_result <= ULOG_LINE_BUF_SIZE) && (fmt_result > -1))
|
|
{
|
|
log_len += fmt_result;
|
|
}
|
|
else
|
|
{
|
|
/* using max length */
|
|
log_len = ULOG_LINE_BUF_SIZE;
|
|
}
|
|
|
|
/* overflow check and reserve some space for newline sign */
|
|
if (log_len + newline_len > ULOG_LINE_BUF_SIZE)
|
|
{
|
|
/* using max length */
|
|
log_len = ULOG_LINE_BUF_SIZE;
|
|
/* reserve some space for newline sign */
|
|
log_len -= newline_len;
|
|
}
|
|
|
|
/* package newline sign */
|
|
if (newline)
|
|
{
|
|
log_len += ulog_strcpy(log_len, log_buf + log_len, ULOG_NEWLINE_SIGN);
|
|
}
|
|
|
|
return log_len;
|
|
}
|
|
|
|
#endif /* ULOG_USING_SYSLOG */
|