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import RT-Thread@9217865c without bsp, libcpu and components/net

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Zihao Yu 2023-05-20 16:23:33 +08:00
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262
components/utilities/ulog/syslog/syslog.c Normal file
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/*
* Copyright (c) 2006-2022, 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"
/*
* 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 rt_size_t ulog_strcpy(rt_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()->parent.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, ": ");
fmt_result = rt_vsnprintf(log_buf + log_len, ULOG_LINE_BUF_SIZE - log_len, format, args);
/* 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 and string end sign */
if (log_len + newline_len + sizeof('\0') > ULOG_LINE_BUF_SIZE)
{
/* using max length */
log_len = ULOG_LINE_BUF_SIZE;
/* reserve some space for newline sign */
log_len -= newline_len;
/* reserve some space for string end sign */
log_len -= sizeof('\0');
}
/* package newline sign */
if (newline)
{
log_len += ulog_strcpy(log_len, log_buf + log_len, ULOG_NEWLINE_SIGN);
}
/* add string end sign */
log_buf[log_len] = '\0';
return log_len;
}
#endif /* ULOG_USING_SYSLOG */

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components/utilities/ulog/syslog/syslog.h Normal file
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/*
* 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
*/
#ifndef _SYSLOG_H_
#define _SYSLOG_H_
#ifdef __cplusplus
extern "C" {
#endif
/*
* priorities/facilities are encoded into a single 32-bit quantity, where the
* bottom 3 bits are the priority (0-7) and the top 28 bits are the facility
* (0-big number). Both the priorities and the facilities map roughly
* one-to-one to strings in the syslogd(8) source code. This mapping is
* included in this file.
*
* priorities (these are ordered)
*/
#define LOG_EMERG 0 /* system is unusable */
#define LOG_ALERT 1 /* action must be taken immediately */
#define LOG_CRIT 2 /* critical conditions */
#define LOG_ERR 3 /* error conditions */
#define LOG_WARNING 4 /* warning conditions */
#define LOG_NOTICE 5 /* normal but significant condition */
#define LOG_INFO 6 /* informational */
#define LOG_DEBUG 7 /* debug-level messages */
#define LOG_PRIMASK 0x07
#define LOG_PRI(p) ((p) & LOG_PRIMASK)
#define LOG_MAKEPRI(fac, pri) (((fac) << 3) | (pri))
/* facility codes */
#define LOG_KERN (0<<3) /* kernel messages */
#define LOG_USER (1<<3) /* random user-level messages */
#define LOG_MAIL (2<<3) /* mail system */
#define LOG_DAEMON (3<<3) /* system daemons */
#define LOG_AUTH (4<<3) /* security/authorization messages */
#define LOG_SYSLOG (5<<3) /* messages generated internally by syslogd */
#define LOG_LPR (6<<3) /* line printer subsystem */
#define LOG_NEWS (7<<3) /* network news subsystem */
#define LOG_UUCP (8<<3) /* UUCP subsystem */
#define LOG_CRON (9<<3) /* clock daemon */
#define LOG_AUTHPRIV (10<<3) /* security/authorization messages (private) */
/* other codes through 15 reserved for system use */
#define LOG_LOCAL0 (16<<3) /* reserved for local use */
#define LOG_LOCAL1 (17<<3) /* reserved for local use */
#define LOG_LOCAL2 (18<<3) /* reserved for local use */
#define LOG_LOCAL3 (19<<3) /* reserved for local use */
#define LOG_LOCAL4 (20<<3) /* reserved for local use */
#define LOG_LOCAL5 (21<<3) /* reserved for local use */
#define LOG_LOCAL6 (22<<3) /* reserved for local use */
#define LOG_LOCAL7 (23<<3) /* reserved for local use */
#define LOG_NFACILITIES 24 /* current number of facilities */
#define LOG_FACMASK 0x03f8 /* mask to extract facility part */
/* facility of pri */
#define LOG_FAC(p) (((p) & LOG_FACMASK) >> 3)
/*
* arguments to setlogmask.
*/
#define LOG_MASK(pri) (1 << (pri)) /* mask for one priority */
#define LOG_UPTO(pri) ((1 << ((pri)+1)) - 1) /* all priorities through pri */
/*
* Option flags for openlog.
*
* LOG_ODELAY no longer does anything.
* LOG_NDELAY is the inverse of what it used to be.
*/
#define LOG_PID 0x01 /* log the pid with each message */
#define LOG_CONS 0x02 /* log on the console if errors in sending */
#define LOG_ODELAY 0x04 /* delay open until first syslog() (default) */
#define LOG_NDELAY 0x08 /* don't delay open */
#define LOG_NOWAIT 0x10 /* don't wait for console forks: DEPRECATED */
#define LOG_PERROR 0x20 /* log to stderr as well */
#include <stdarg.h>
void closelog(void);
void openlog(const char *ident, int option, int facility);
int setlogmask(int mask);
void syslog(int priority, const char *format, ...);
void vsyslog(int priority, const char *format, va_list args);
#ifdef __cplusplus
}
#endif
#endif /* _SYSLOG_H_ */