1311 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1311 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 2006-2018, RT-Thread Development Team
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 *
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 * SPDX-License-Identifier: Apache-2.0
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 *
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 * Change Logs:
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 * Date           Author       Notes
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 * 2018-08-25     armink       the first version
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 */
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#include <stdarg.h>
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#include "ulog.h"
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#include "rthw.h"
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#ifdef ULOG_USING_SYSLOG
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#include <syslog.h>
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#endif
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#ifdef ULOG_OUTPUT_FLOAT
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#include <stdio.h>
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#endif
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#ifdef ULOG_TIME_USING_TIMESTAMP
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#include <sys/time.h>
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#endif
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#ifdef ULOG_USING_ASYNC_OUTPUT
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#include <rtdevice.h>
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#endif
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#ifdef RT_USING_ULOG
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/* the number which is max stored line logs */
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#ifndef ULOG_ASYNC_OUTPUT_STORE_LINES
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#define ULOG_ASYNC_OUTPUT_STORE_LINES  (ULOG_ASYNC_OUTPUT_BUF_SIZE * 3 / 2 / ULOG_LINE_BUF_SIZE)
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#endif
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#ifdef ULOG_USING_COLOR
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/**
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 * CSI(Control Sequence Introducer/Initiator) sign
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 * more information on https://en.wikipedia.org/wiki/ANSI_escape_code
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 */
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#define CSI_START                      "\033["
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#define CSI_END                        "\033[0m"
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/* output log front color */
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#define F_BLACK                        "30m"
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#define F_RED                          "31m"
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#define F_GREEN                        "32m"
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#define F_YELLOW                       "33m"
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#define F_BLUE                         "34m"
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#define F_MAGENTA                      "35m"
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#define F_CYAN                         "36m"
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#define F_WHITE                        "37m"
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/* output log default color definition */
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#ifndef ULOG_COLOR_DEBUG
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#define ULOG_COLOR_DEBUG               NULL
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#endif
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#ifndef ULOG_COLOR_INFO
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#define ULOG_COLOR_INFO                (F_GREEN)
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#endif
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#ifndef ULOG_COLOR_WARN
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#define ULOG_COLOR_WARN                (F_YELLOW)
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#endif
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#ifndef ULOG_COLOR_ERROR
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#define ULOG_COLOR_ERROR               (F_RED)
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#endif
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#ifndef ULOG_COLOR_ASSERT
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#define ULOG_COLOR_ASSERT              (F_MAGENTA)
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#endif
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#endif /* ULOG_USING_COLOR */
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#if ULOG_LINE_BUF_SIZE < 80
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#error "the log line buffer size must more than 80"
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#endif
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struct rt_ulog
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{
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    rt_bool_t init_ok;
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    struct rt_mutex output_locker;
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    /* all backends */
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    rt_slist_t backend_list;
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    /* the thread log's line buffer */
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    char log_buf_th[ULOG_LINE_BUF_SIZE];
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#ifdef ULOG_USING_ISR_LOG
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    /* the ISR log's line buffer */
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    rt_base_t output_locker_isr_lvl;
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    char log_buf_isr[ULOG_LINE_BUF_SIZE];
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#endif /* ULOG_USING_ISR_LOG */
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#ifdef ULOG_USING_ASYNC_OUTPUT
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    rt_rbb_t async_rbb;
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    rt_thread_t async_th;
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    struct rt_semaphore async_notice;
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#endif
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#ifdef ULOG_USING_FILTER
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    struct
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    {
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        /* all tag's level filter */
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        rt_slist_t tag_lvl_list;
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        /* global filter level, tag and keyword */
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        rt_uint32_t level;
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        char tag[ULOG_FILTER_TAG_MAX_LEN + 1];
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        char keyword[ULOG_FILTER_KW_MAX_LEN + 1];
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    } filter;
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#endif /* ULOG_USING_FILTER */
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};
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/* level output info */
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static const char * const level_output_info[] =
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{
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        "A/",
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        NULL,
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        NULL,
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        "E/",
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        "W/",
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        NULL,
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        "I/",
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        "D/",
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};
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#ifdef ULOG_USING_COLOR
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/* color output info */
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static const char * const color_output_info[] =
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{
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        ULOG_COLOR_ASSERT,
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        NULL,
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        NULL,
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        ULOG_COLOR_ERROR,
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        ULOG_COLOR_WARN,
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        NULL,
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        ULOG_COLOR_INFO,
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        ULOG_COLOR_DEBUG,
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};
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#endif /* ULOG_USING_COLOR */
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/* ulog local object */
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static struct rt_ulog ulog = { 0 };
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size_t ulog_strcpy(size_t cur_len, char *dst, const char *src)
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{
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    const char *src_old = src;
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    RT_ASSERT(dst);
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    RT_ASSERT(src);
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    while (*src != 0)
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    {
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        /* make sure destination has enough space */
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        if (cur_len++ < ULOG_LINE_BUF_SIZE)
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        {
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            *dst++ = *src++;
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        }
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        else
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        {
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            break;
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        }
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    }
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    return src - src_old;
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}
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size_t ulog_ultoa(char *s, unsigned long int n)
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{
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    size_t i = 0, j = 0, len = 0;
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    char swap;
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    do
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    {
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        s[len++] = n % 10 + '0';
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    } while (n /= 10);
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    s[len] = '\0';
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    /* reverse string */
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    for (i = 0, j = len - 1; i < j; ++i, --j)
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    {
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        swap = s[i];
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        s[i] = s[j];
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        s[j] = swap;
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    }
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    return len;
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}
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static void output_unlock(void)
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{
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    /* is in thread context */
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    if (rt_interrupt_get_nest() == 0)
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    {
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        rt_mutex_release(&ulog.output_locker);
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    }
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    else
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    {
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#ifdef ULOG_USING_ISR_LOG
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        rt_hw_interrupt_enable(ulog.output_locker_isr_lvl);
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#endif
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    }
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}
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static void output_lock(void)
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{
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    /* is in thread context */
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    if (rt_interrupt_get_nest() == 0)
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    {
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        rt_mutex_take(&ulog.output_locker, RT_WAITING_FOREVER);
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    }
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    else
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    {
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#ifdef ULOG_USING_ISR_LOG
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        ulog.output_locker_isr_lvl = rt_hw_interrupt_disable();
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#endif
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    }
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}
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static char *get_log_buf(void)
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{
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    /* is in thread context */
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    if (rt_interrupt_get_nest() == 0)
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    {
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        return ulog.log_buf_th;
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    }
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    else
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    {
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#ifdef ULOG_USING_ISR_LOG
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        return ulog.log_buf_isr;
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#else
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        rt_kprintf("Error: Current mode not supported run in ISR. Please enable ULOG_USING_ISR_LOG.\n");
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        return NULL;
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#endif
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    }
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}
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RT_WEAK rt_size_t ulog_formater(char *log_buf, rt_uint32_t level, const char *tag, rt_bool_t newline,
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        const char *format, va_list args)
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{
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    /* the caller has locker, so it can use static variable for reduce stack usage */
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    static rt_size_t log_len, newline_len;
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    static int fmt_result;
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    RT_ASSERT(log_buf);
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    RT_ASSERT(level <= LOG_LVL_DBG);
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    RT_ASSERT(tag);
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    RT_ASSERT(format);
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    log_len = 0;
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    newline_len = rt_strlen(ULOG_NEWLINE_SIGN);
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#ifdef ULOG_USING_COLOR
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    /* add CSI start sign and color info */
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    if (color_output_info[level])
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    {
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        log_len += ulog_strcpy(log_len, log_buf + log_len, CSI_START);
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        log_len += ulog_strcpy(log_len, log_buf + log_len, color_output_info[level]);
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    }
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#endif /* ULOG_USING_COLOR */
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#ifdef ULOG_OUTPUT_TIME
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    /* add time info */
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    {
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#ifdef ULOG_TIME_USING_TIMESTAMP
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        static time_t now;
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        static struct tm *tm, tm_tmp;
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        now = time(NULL);
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        tm = gmtime_r(&now, &tm_tmp);
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#ifdef RT_USING_SOFT_RTC
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        rt_snprintf(log_buf + log_len, ULOG_LINE_BUF_SIZE - log_len, "%02d-%02d %02d:%02d:%02d.%03d", tm->tm_mon + 1,
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                tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec, rt_tick_get() % 1000);
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#else
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        rt_snprintf(log_buf + log_len, ULOG_LINE_BUF_SIZE - log_len, "%02d-%02d %02d:%02d:%02d", tm->tm_mon + 1,
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                tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
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#endif /* RT_USING_SOFT_RTC */
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#else
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        static rt_size_t tick_len = 0;
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        log_buf[log_len] = '[';
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        tick_len = ulog_ultoa(log_buf + log_len + 1, rt_tick_get());
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        log_buf[log_len + 1 + tick_len] = ']';
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        log_buf[log_len + 1 + tick_len + 1] = '\0';
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#endif /* ULOG_TIME_USING_TIMESTAMP */
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        log_len += rt_strlen(log_buf + log_len);
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    }
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#endif /* ULOG_OUTPUT_TIME */
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#ifdef ULOG_OUTPUT_LEVEL
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#ifdef ULOG_OUTPUT_TIME
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    log_len += ulog_strcpy(log_len, log_buf + log_len, " ");
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#endif
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    /* add level info */
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    log_len += ulog_strcpy(log_len, log_buf + log_len, level_output_info[level]);
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#endif /* ULOG_OUTPUT_LEVEL */
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#ifdef ULOG_OUTPUT_TAG
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#if !defined(ULOG_OUTPUT_LEVEL) && defined(ULOG_OUTPUT_TIME)
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    log_len += ulog_strcpy(log_len, log_buf + log_len, " ");
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#endif
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    /* add tag info */
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    log_len += ulog_strcpy(log_len, log_buf + log_len, tag);
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#endif /* ULOG_OUTPUT_TAG */
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#ifdef ULOG_OUTPUT_THREAD_NAME
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    /* add thread info */
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    {
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#if defined(ULOG_OUTPUT_TIME) || defined(ULOG_OUTPUT_LEVEL) || defined(ULOG_OUTPUT_TAG)
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        log_len += ulog_strcpy(log_len, log_buf + log_len, " ");
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#endif
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        /* is not in interrupt context */
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        if (rt_interrupt_get_nest() == 0)
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        {
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            log_len += ulog_strcpy(log_len, log_buf + log_len, rt_thread_self()->name);
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        }
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        else
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        {
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            log_len += ulog_strcpy(log_len, log_buf + log_len, "ISR");
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        }
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    }
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#endif /* ULOG_OUTPUT_THREAD_NAME */
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    log_len += ulog_strcpy(log_len, log_buf + log_len, ": ");
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#ifdef ULOG_OUTPUT_FLOAT
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    fmt_result = vsnprintf(log_buf + log_len, ULOG_LINE_BUF_SIZE - log_len, format, args);
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#else
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    fmt_result = rt_vsnprintf(log_buf + log_len, ULOG_LINE_BUF_SIZE - log_len, format, args);
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#endif /* ULOG_OUTPUT_FLOAT */
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    /* calculate log length */
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    if ((log_len + fmt_result <= ULOG_LINE_BUF_SIZE) && (fmt_result > -1))
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    {
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        log_len += fmt_result;
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    }
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    else
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    {
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        /* using max length */
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        log_len = ULOG_LINE_BUF_SIZE;
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    }
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    /* overflow check and reserve some space for CSI end sign and newline sign */
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#ifdef ULOG_USING_COLOR
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    if (log_len + (sizeof(CSI_END) - 1) + newline_len > ULOG_LINE_BUF_SIZE)
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    {
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        /* using max length */
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        log_len = ULOG_LINE_BUF_SIZE;
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        /* reserve some space for CSI end sign */
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        log_len -= (sizeof(CSI_END) - 1);
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#else
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    if (log_len + newline_len > ULOG_LINE_BUF_SIZE)
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    {
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        /* using max length */
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        log_len = ULOG_LINE_BUF_SIZE;
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#endif /* ULOG_USING_COLOR */
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        /* reserve some space for newline sign */
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        log_len -= newline_len;
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    }
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    /* package newline sign */
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    if (newline)
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    {
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        log_len += ulog_strcpy(log_len, log_buf + log_len, ULOG_NEWLINE_SIGN);
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    }
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#ifdef ULOG_USING_COLOR
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    /* add CSI end sign  */
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    if (color_output_info[level])
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    {
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        log_len += ulog_strcpy(log_len, log_buf + log_len, CSI_END);
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    }
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#endif /* ULOG_USING_COLOR */
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    return log_len;
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}
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void ulog_output_to_all_backend(rt_uint32_t level, const char *tag, rt_bool_t is_raw, const char *log, rt_size_t size)
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{
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    rt_slist_t *node;
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    ulog_backend_t backend;
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    if (!ulog.init_ok)
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        return;
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 | 
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    /* output for all backends */
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    for (node = rt_slist_first(&ulog.backend_list); node; node = rt_slist_next(node))
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    {
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        backend = rt_slist_entry(node, struct ulog_backend, list);
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#if !defined(ULOG_USING_COLOR) || defined(ULOG_USING_SYSLOG)
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        backend->output(backend, level, tag, is_raw, log, size);
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#else
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        if (backend->support_color)
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        {
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            backend->output(backend, level, tag, is_raw, log, size);
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        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            /* recalculate the log start address and log size when backend not supported color */
 | 
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            rt_size_t color_info_len = rt_strlen(color_output_info[level]);
 | 
						|
            if (color_info_len)
 | 
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            {
 | 
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                rt_size_t color_hdr_len = rt_strlen(CSI_START) + color_info_len;
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						|
                log += color_hdr_len;
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						|
                size -= (color_hdr_len + (sizeof(CSI_END) - 1));
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						|
            }
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            backend->output(backend, level, tag, is_raw, log, size);
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        }
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#endif /* !defined(ULOG_USING_COLOR) || defined(ULOG_USING_SYSLOG) */
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    }
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}
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static void do_output(rt_uint32_t level, const char *tag, rt_bool_t is_raw, const char *log_buf, rt_size_t log_len)
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						|
{
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#ifdef ULOG_USING_ASYNC_OUTPUT
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    rt_rbb_blk_t log_blk;
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						|
    ulog_frame_t log_frame;
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 | 
						|
    /* allocate log frame */
 | 
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    log_blk = rt_rbb_blk_alloc(ulog.async_rbb, RT_ALIGN(sizeof(struct ulog_frame) + log_len, RT_ALIGN_SIZE));
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						|
    if (log_blk)
 | 
						|
    {
 | 
						|
        /* package the log frame */
 | 
						|
        log_frame = (ulog_frame_t) log_blk->buf;
 | 
						|
        log_frame->magic = ULOG_FRAME_MAGIC;
 | 
						|
        log_frame->is_raw = is_raw;
 | 
						|
        log_frame->level = level;
 | 
						|
        log_frame->log_len = log_len;
 | 
						|
        log_frame->tag = tag;
 | 
						|
        log_frame->log = (const char *)log_blk->buf + sizeof(struct ulog_frame);
 | 
						|
        /* copy log data */
 | 
						|
        rt_memcpy(log_blk->buf + sizeof(struct ulog_frame), log_buf, log_len);
 | 
						|
        /* put the block */
 | 
						|
        rt_rbb_blk_put(log_blk);
 | 
						|
        /* send a notice */
 | 
						|
        rt_sem_release(&ulog.async_notice);
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        static rt_bool_t already_output = RT_FALSE;
 | 
						|
        if (already_output == RT_FALSE)
 | 
						|
        {
 | 
						|
            rt_kprintf("Warning: There is no enough buffer for saving async log,"
 | 
						|
                    " please increase the ULOG_ASYNC_OUTPUT_BUF_SIZE option.\n");
 | 
						|
            already_output = RT_TRUE;
 | 
						|
        }
 | 
						|
    }
 | 
						|
#else
 | 
						|
    /* is in thread context */
 | 
						|
    if (rt_interrupt_get_nest() == 0)
 | 
						|
    {
 | 
						|
        /* output to all backends */
 | 
						|
        ulog_output_to_all_backend(level, tag, is_raw, log_buf, log_len);
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
#ifdef ULOG_BACKEND_USING_CONSOLE
 | 
						|
        /* We can't ensure that all backends support ISR context output.
 | 
						|
         * So only using rt_kprintf when context is ISR */
 | 
						|
        extern void ulog_console_backend_output(struct ulog_backend *backend, rt_uint32_t level, const char *tag,
 | 
						|
                rt_bool_t is_raw, const char *log, size_t len);
 | 
						|
        ulog_console_backend_output(NULL, level, tag, is_raw, log_buf, log_len);
 | 
						|
#endif /* ULOG_BACKEND_USING_CONSOLE */
 | 
						|
    }
 | 
						|
#endif /* ULOG_USING_ASYNC_OUTPUT */
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * output the log by variable argument list
 | 
						|
 *
 | 
						|
 * @param level level
 | 
						|
 * @param tag tag
 | 
						|
 * @param newline has_newline
 | 
						|
 * @param format output format
 | 
						|
 * @param args variable argument list
 | 
						|
 */
 | 
						|
void ulog_voutput(rt_uint32_t level, const char *tag, rt_bool_t newline, const char *format, va_list args)
 | 
						|
{
 | 
						|
    char *log_buf = NULL;
 | 
						|
    rt_size_t log_len = 0;
 | 
						|
 | 
						|
#ifndef ULOG_USING_SYSLOG
 | 
						|
    RT_ASSERT(level <= LOG_LVL_DBG);
 | 
						|
#else
 | 
						|
    RT_ASSERT(LOG_PRI(level) <= LOG_DEBUG);
 | 
						|
#endif /* ULOG_USING_SYSLOG */
 | 
						|
 | 
						|
    RT_ASSERT(tag);
 | 
						|
    RT_ASSERT(format);
 | 
						|
 | 
						|
    if (!ulog.init_ok)
 | 
						|
    {
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
#ifdef ULOG_USING_FILTER
 | 
						|
    /* level filter */
 | 
						|
#ifndef ULOG_USING_SYSLOG
 | 
						|
    if (level > ulog.filter.level || level > ulog_tag_lvl_filter_get(tag))
 | 
						|
    {
 | 
						|
        return;
 | 
						|
    }
 | 
						|
#else
 | 
						|
    if (((LOG_MASK(LOG_PRI(level)) & ulog.filter.level) == 0)
 | 
						|
            || ((LOG_MASK(LOG_PRI(level)) & ulog_tag_lvl_filter_get(tag)) == 0))
 | 
						|
    {
 | 
						|
        return;
 | 
						|
    }
 | 
						|
#endif /* ULOG_USING_SYSLOG */
 | 
						|
    else if (!rt_strstr(tag, ulog.filter.tag))
 | 
						|
    {
 | 
						|
        /* tag filter */
 | 
						|
        return;
 | 
						|
    }
 | 
						|
#endif /* ULOG_USING_FILTER */
 | 
						|
 | 
						|
    /* get log buffer */
 | 
						|
    log_buf = get_log_buf();
 | 
						|
 | 
						|
    /* lock output */
 | 
						|
    output_lock();
 | 
						|
 | 
						|
#ifndef ULOG_USING_SYSLOG
 | 
						|
    log_len = ulog_formater(log_buf, level, tag, newline, format, args);
 | 
						|
#else
 | 
						|
    extern rt_size_t syslog_formater(char *log_buf, rt_uint8_t level, const char *tag, rt_bool_t newline, const char *format, va_list args);
 | 
						|
    log_len = syslog_formater(log_buf, level, tag, newline, format, args);
 | 
						|
#endif /* ULOG_USING_SYSLOG */
 | 
						|
 | 
						|
#ifdef ULOG_USING_FILTER
 | 
						|
    /* keyword filter */
 | 
						|
    if (ulog.filter.keyword[0] != '\0')
 | 
						|
    {
 | 
						|
        /* add string end sign */
 | 
						|
        log_buf[log_len] = '\0';
 | 
						|
        /* find the keyword */
 | 
						|
        if (!rt_strstr(log_buf, ulog.filter.keyword))
 | 
						|
        {
 | 
						|
            /* unlock output */
 | 
						|
            output_unlock();
 | 
						|
            return;
 | 
						|
        }
 | 
						|
    }
 | 
						|
#endif /* ULOG_USING_FILTER */
 | 
						|
    /* do log output */
 | 
						|
    do_output(level, tag, RT_FALSE, log_buf, log_len);
 | 
						|
 | 
						|
    /* unlock output */
 | 
						|
    output_unlock();
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * output the log
 | 
						|
 *
 | 
						|
 * @param level level
 | 
						|
 * @param tag tag
 | 
						|
 * @param newline has newline
 | 
						|
 * @param format output format
 | 
						|
 * @param ... args
 | 
						|
 */
 | 
						|
void ulog_output(rt_uint32_t level, const char *tag, rt_bool_t newline, const char *format, ...)
 | 
						|
{
 | 
						|
    va_list args;
 | 
						|
 | 
						|
    /* args point to the first variable parameter */
 | 
						|
    va_start(args, format);
 | 
						|
 | 
						|
    ulog_voutput(level, tag, newline, format, args);
 | 
						|
 | 
						|
    va_end(args);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * output RAW string format log
 | 
						|
 *
 | 
						|
 * @param format output format
 | 
						|
 * @param ... args
 | 
						|
 */
 | 
						|
void ulog_raw(const char *format, ...)
 | 
						|
{
 | 
						|
    rt_size_t log_len = 0;
 | 
						|
    char *log_buf = NULL;
 | 
						|
    va_list args;
 | 
						|
    int fmt_result;
 | 
						|
 | 
						|
    RT_ASSERT(ulog.init_ok);
 | 
						|
 | 
						|
    /* get log buffer */
 | 
						|
    log_buf = get_log_buf();
 | 
						|
 | 
						|
    /* lock output */
 | 
						|
    output_lock();
 | 
						|
    /* args point to the first variable parameter */
 | 
						|
    va_start(args, format);
 | 
						|
 | 
						|
#ifdef ULOG_OUTPUT_FLOAT
 | 
						|
    fmt_result = vsnprintf(log_buf, ULOG_LINE_BUF_SIZE, format, args);
 | 
						|
#else
 | 
						|
    fmt_result = rt_vsnprintf(log_buf, ULOG_LINE_BUF_SIZE, format, args);
 | 
						|
#endif /* ULOG_OUTPUT_FLOAT */
 | 
						|
 | 
						|
    va_end(args);
 | 
						|
 | 
						|
    /* calculate log length */
 | 
						|
    if ((fmt_result > -1) && (fmt_result <= ULOG_LINE_BUF_SIZE))
 | 
						|
    {
 | 
						|
        log_len = fmt_result;
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        log_len = ULOG_LINE_BUF_SIZE;
 | 
						|
    }
 | 
						|
 | 
						|
    /* do log output */
 | 
						|
    do_output(LOG_LVL_DBG, NULL, RT_TRUE, log_buf, log_len);
 | 
						|
 | 
						|
    /* unlock output */
 | 
						|
    output_unlock();
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * dump the hex format data to log
 | 
						|
 *
 | 
						|
 * @param tag name for hex object, it will show on log header
 | 
						|
 * @param width hex number for every line, such as: 16, 32
 | 
						|
 * @param buf hex buffer
 | 
						|
 * @param size buffer size
 | 
						|
 */
 | 
						|
void ulog_hexdump(const char *tag, rt_size_t width, rt_uint8_t *buf, rt_size_t size)
 | 
						|
{
 | 
						|
#define __is_print(ch)       ((unsigned int)((ch) - ' ') < 127u - ' ')
 | 
						|
 | 
						|
    rt_size_t i, j;
 | 
						|
    rt_size_t log_len = 0, name_len = rt_strlen(tag);
 | 
						|
    char *log_buf = NULL, dump_string[8];
 | 
						|
    int fmt_result;
 | 
						|
 | 
						|
    RT_ASSERT(ulog.init_ok);
 | 
						|
 | 
						|
#ifdef ULOG_USING_FILTER
 | 
						|
    /* level filter */
 | 
						|
#ifndef ULOG_USING_SYSLOG
 | 
						|
    if (LOG_LVL_DBG > ulog.filter.level || LOG_LVL_DBG > ulog_tag_lvl_filter_get(tag))
 | 
						|
    {
 | 
						|
        return;
 | 
						|
    }
 | 
						|
#else
 | 
						|
    if ((LOG_MASK(LOG_DEBUG) & ulog.filter.level) == 0)
 | 
						|
    {
 | 
						|
        return;
 | 
						|
    }
 | 
						|
#endif /* ULOG_USING_SYSLOG */
 | 
						|
    else if (!rt_strstr(tag, ulog.filter.tag))
 | 
						|
    {
 | 
						|
        /* tag filter */
 | 
						|
        return;
 | 
						|
    }
 | 
						|
#endif /* ULOG_USING_FILTER */
 | 
						|
 | 
						|
    /* get log buffer */
 | 
						|
    log_buf = get_log_buf();
 | 
						|
 | 
						|
    /* lock output */
 | 
						|
    output_lock();
 | 
						|
 | 
						|
    for (i = 0, log_len = 0; i < size; i += width)
 | 
						|
    {
 | 
						|
        /* package header */
 | 
						|
        if (i == 0)
 | 
						|
        {
 | 
						|
            log_len += ulog_strcpy(log_len, log_buf + log_len, "D/HEX ");
 | 
						|
            log_len += ulog_strcpy(log_len, log_buf + log_len, tag);
 | 
						|
            log_len += ulog_strcpy(log_len, log_buf + log_len, ": ");
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            log_len = 6 + name_len + 2;
 | 
						|
            rt_memset(log_buf, ' ', log_len);
 | 
						|
        }
 | 
						|
        fmt_result = rt_snprintf(log_buf + log_len, ULOG_LINE_BUF_SIZE, "%04X-%04X: ", i, i + width);
 | 
						|
        /* calculate log length */
 | 
						|
        if ((fmt_result > -1) && (fmt_result <= ULOG_LINE_BUF_SIZE))
 | 
						|
        {
 | 
						|
            log_len += fmt_result;
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            log_len = ULOG_LINE_BUF_SIZE;
 | 
						|
        }
 | 
						|
        /* dump hex */
 | 
						|
        for (j = 0; j < width; j++)
 | 
						|
        {
 | 
						|
            if (i + j < size)
 | 
						|
            {
 | 
						|
                rt_snprintf(dump_string, sizeof(dump_string), "%02X ", buf[i + j]);
 | 
						|
            }
 | 
						|
            else
 | 
						|
            {
 | 
						|
                rt_strncpy(dump_string, "   ", sizeof(dump_string));
 | 
						|
            }
 | 
						|
            log_len += ulog_strcpy(log_len, log_buf + log_len, dump_string);
 | 
						|
            if ((j + 1) % 8 == 0)
 | 
						|
            {
 | 
						|
                log_len += ulog_strcpy(log_len, log_buf + log_len, " ");
 | 
						|
            }
 | 
						|
        }
 | 
						|
        log_len += ulog_strcpy(log_len, log_buf + log_len, "  ");
 | 
						|
        /* dump char for hex */
 | 
						|
        for (j = 0; j < width; j++)
 | 
						|
        {
 | 
						|
            if (i + j < size)
 | 
						|
            {
 | 
						|
                rt_snprintf(dump_string, sizeof(dump_string), "%c", __is_print(buf[i + j]) ? buf[i + j] : '.');
 | 
						|
                log_len += ulog_strcpy(log_len, log_buf + log_len, dump_string);
 | 
						|
            }
 | 
						|
        }
 | 
						|
        /* overflow check and reserve some space for newline sign */
 | 
						|
        if (log_len + rt_strlen(ULOG_NEWLINE_SIGN) > ULOG_LINE_BUF_SIZE)
 | 
						|
        {
 | 
						|
            log_len = ULOG_LINE_BUF_SIZE - rt_strlen(ULOG_NEWLINE_SIGN);
 | 
						|
        }
 | 
						|
        /* package newline sign */
 | 
						|
        log_len += ulog_strcpy(log_len, log_buf + log_len, ULOG_NEWLINE_SIGN);
 | 
						|
        /* do log output */
 | 
						|
        do_output(LOG_LVL_DBG, NULL, RT_TRUE, log_buf, log_len);
 | 
						|
    }
 | 
						|
    /* unlock output */
 | 
						|
    output_unlock();
 | 
						|
}
 | 
						|
 | 
						|
#ifdef ULOG_USING_FILTER
 | 
						|
/**
 | 
						|
 * Set the filter's level by different tag.
 | 
						|
 * The log on this tag which level is less than it will stop output.
 | 
						|
 *
 | 
						|
 * example:
 | 
						|
 *     // the example tag log enter silent mode
 | 
						|
 *     ulog_set_filter_lvl("example", LOG_FILTER_LVL_SILENT);
 | 
						|
 *     // the example tag log which level is less than INFO level will stop output
 | 
						|
 *     ulog_set_filter_lvl("example", LOG_LVL_INFO);
 | 
						|
 *     // remove example tag's level filter, all level log will resume output
 | 
						|
 *     ulog_set_filter_lvl("example", LOG_FILTER_LVL_ALL);
 | 
						|
 *
 | 
						|
 * @param tag log tag
 | 
						|
 * @param level The filter level. When the level is LOG_FILTER_LVL_SILENT, the log enter silent mode.
 | 
						|
 *        When the level is LOG_FILTER_LVL_ALL, it will remove this tag's level filer.
 | 
						|
 *        Then all level log will resume output.
 | 
						|
 *
 | 
						|
 * @return  0 : success
 | 
						|
 *         -5 : no memory
 | 
						|
 *         -10: level is out of range
 | 
						|
 */
 | 
						|
int ulog_tag_lvl_filter_set(const char *tag, rt_uint32_t level)
 | 
						|
{
 | 
						|
    rt_slist_t *node;
 | 
						|
    ulog_tag_lvl_filter_t tag_lvl = NULL;
 | 
						|
    int result = RT_EOK;
 | 
						|
 | 
						|
    if (level > LOG_FILTER_LVL_ALL)
 | 
						|
        return -RT_EINVAL;
 | 
						|
 | 
						|
    if (!ulog.init_ok)
 | 
						|
        return result;
 | 
						|
 | 
						|
    /* lock output */
 | 
						|
    output_lock();
 | 
						|
    /* find the tag in list */
 | 
						|
    for (node = rt_slist_first(ulog_tag_lvl_list_get()); node; node = rt_slist_next(node))
 | 
						|
    {
 | 
						|
        tag_lvl = rt_slist_entry(node, struct ulog_tag_lvl_filter, list);
 | 
						|
        if (!rt_strncmp(tag_lvl->tag, tag, ULOG_FILTER_TAG_MAX_LEN))
 | 
						|
        {
 | 
						|
            break;
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            tag_lvl = NULL;
 | 
						|
        }
 | 
						|
    }
 | 
						|
    /* find OK */
 | 
						|
    if (tag_lvl)
 | 
						|
    {
 | 
						|
        if (level == LOG_FILTER_LVL_ALL)
 | 
						|
        {
 | 
						|
            /* remove current tag's level filter when input level is the lowest level */
 | 
						|
            rt_slist_remove(ulog_tag_lvl_list_get(), &tag_lvl->list);
 | 
						|
            rt_free(tag_lvl);
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            /* update level */
 | 
						|
            tag_lvl->level = level;
 | 
						|
        }
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        /* only add the new tag's level filer when level is not LOG_FILTER_LVL_ALL */
 | 
						|
        if (level != LOG_FILTER_LVL_ALL)
 | 
						|
        {
 | 
						|
            /* new a tag's level filter */
 | 
						|
            tag_lvl = (ulog_tag_lvl_filter_t)rt_malloc(sizeof(struct ulog_tag_lvl_filter));
 | 
						|
            if (tag_lvl)
 | 
						|
            {
 | 
						|
                rt_memset(tag_lvl->tag, 0 , sizeof(tag_lvl->tag));
 | 
						|
                rt_strncpy(tag_lvl->tag, tag, ULOG_FILTER_TAG_MAX_LEN);
 | 
						|
                tag_lvl->level = level;
 | 
						|
                rt_slist_append(ulog_tag_lvl_list_get(), &tag_lvl->list);
 | 
						|
            }
 | 
						|
            else
 | 
						|
            {
 | 
						|
                result = -RT_ENOMEM;
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
    /* unlock output */
 | 
						|
    output_unlock();
 | 
						|
 | 
						|
    return result;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * get the level on tag's level filer
 | 
						|
 *
 | 
						|
 * @param tag log tag
 | 
						|
 *
 | 
						|
 * @return It will return the lowest level when tag was not found.
 | 
						|
 *         Other level will return when tag was found.
 | 
						|
 */
 | 
						|
rt_uint32_t ulog_tag_lvl_filter_get(const char *tag)
 | 
						|
{
 | 
						|
    rt_slist_t *node;
 | 
						|
    ulog_tag_lvl_filter_t tag_lvl = NULL;
 | 
						|
    rt_uint32_t level = LOG_FILTER_LVL_ALL;
 | 
						|
 | 
						|
    if (!ulog.init_ok)
 | 
						|
        return level;
 | 
						|
 | 
						|
    /* lock output */
 | 
						|
    output_lock();
 | 
						|
    /* find the tag in list */
 | 
						|
    for (node = rt_slist_first(ulog_tag_lvl_list_get()); node; node = rt_slist_next(node))
 | 
						|
    {
 | 
						|
        tag_lvl = rt_slist_entry(node, struct ulog_tag_lvl_filter, list);
 | 
						|
        if (!rt_strncmp(tag_lvl->tag, tag, ULOG_FILTER_TAG_MAX_LEN))
 | 
						|
        {
 | 
						|
            level = tag_lvl->level;
 | 
						|
            break;
 | 
						|
        }
 | 
						|
    }
 | 
						|
    /* unlock output */
 | 
						|
    output_unlock();
 | 
						|
 | 
						|
    return level;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * get the tag's level list on filter
 | 
						|
 *
 | 
						|
 * @return tag's level list
 | 
						|
 */
 | 
						|
rt_slist_t *ulog_tag_lvl_list_get(void)
 | 
						|
{
 | 
						|
    return &ulog.filter.tag_lvl_list;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * set log global filter level
 | 
						|
 *
 | 
						|
 * @param level log level: LOG_LVL_ASSERT, LOG_LVL_ERROR, LOG_LVL_WARNING, LOG_LVL_INFO, LOG_LVL_DBG
 | 
						|
 *              LOG_FILTER_LVL_SILENT: disable all log output, except assert level
 | 
						|
 *              LOG_FILTER_LVL_ALL: enable all log output
 | 
						|
 */
 | 
						|
void ulog_global_filter_lvl_set(rt_uint32_t level)
 | 
						|
{
 | 
						|
    RT_ASSERT(level <= LOG_FILTER_LVL_ALL);
 | 
						|
 | 
						|
    ulog.filter.level = level;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * get log global filter level
 | 
						|
 *
 | 
						|
 * @return log level: LOG_LVL_ASSERT, LOG_LVL_ERROR, LOG_LVL_WARNING, LOG_LVL_INFO, LOG_LVL_DBG
 | 
						|
 *              LOG_FILTER_LVL_SILENT: disable all log output, except assert level
 | 
						|
 *              LOG_FILTER_LVL_ALL: enable all log output
 | 
						|
 */
 | 
						|
rt_uint32_t ulog_global_filter_lvl_get(void)
 | 
						|
{
 | 
						|
    return ulog.filter.level;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * set log global filter tag
 | 
						|
 *
 | 
						|
 * @param tag tag
 | 
						|
 */
 | 
						|
void ulog_global_filter_tag_set(const char *tag)
 | 
						|
{
 | 
						|
    RT_ASSERT(tag);
 | 
						|
 | 
						|
    rt_strncpy(ulog.filter.tag, tag, ULOG_FILTER_TAG_MAX_LEN);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * get log global filter tag
 | 
						|
 *
 | 
						|
 * @return tag
 | 
						|
 */
 | 
						|
const char *ulog_global_filter_tag_get(void)
 | 
						|
{
 | 
						|
    return ulog.filter.tag;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * set log global filter keyword
 | 
						|
 *
 | 
						|
 * @param keyword keyword
 | 
						|
 */
 | 
						|
void ulog_global_filter_kw_set(const char *keyword)
 | 
						|
{
 | 
						|
    RT_ASSERT(keyword);
 | 
						|
 | 
						|
    rt_strncpy(ulog.filter.keyword, keyword, ULOG_FILTER_KW_MAX_LEN);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * get log global filter keyword
 | 
						|
 *
 | 
						|
 * @return keyword
 | 
						|
 */
 | 
						|
const char *ulog_global_filter_kw_get(void)
 | 
						|
{
 | 
						|
    return ulog.filter.keyword;
 | 
						|
}
 | 
						|
 | 
						|
#if defined(RT_USING_FINSH) && defined(FINSH_USING_MSH)
 | 
						|
#include <finsh.h>
 | 
						|
 | 
						|
static void ulog_tag_lvl(uint8_t argc, char **argv)
 | 
						|
{
 | 
						|
    if (argc > 2)
 | 
						|
    {
 | 
						|
        if ((atoi(argv[2]) <= LOG_FILTER_LVL_ALL) && (atoi(argv[2]) >= 0))
 | 
						|
        {
 | 
						|
            ulog_tag_lvl_filter_set(argv[1], atoi(argv[2]));
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            rt_kprintf("Please input correct level (0-%d).\n", LOG_FILTER_LVL_ALL);
 | 
						|
        }
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        rt_kprintf("Please input: ulog_tag_lvl <tag> <level>.\n");
 | 
						|
#ifndef ULOG_USING_SYSLOG
 | 
						|
        rt_kprintf("Assert  : 0\n");
 | 
						|
        rt_kprintf("Error   : 3\n");
 | 
						|
        rt_kprintf("Warning : 4\n");
 | 
						|
        rt_kprintf("Info    : 6\n");
 | 
						|
        rt_kprintf("Debug   : 7\n");
 | 
						|
#else
 | 
						|
        rt_kprintf("EMERG   :   1 (1 << 0)\n");
 | 
						|
        rt_kprintf("ALERT   :   2 (1 << 1)\n");
 | 
						|
        rt_kprintf("CRIT    :   4 (1 << 2)\n");
 | 
						|
        rt_kprintf("ERR     :   8 (1 << 3)\n");
 | 
						|
        rt_kprintf("WARNING :  16 (1 << 4)\n");
 | 
						|
        rt_kprintf("NOTICE  :  32 (1 << 5)\n");
 | 
						|
        rt_kprintf("INFO    :  64 (1 << 6)\n");
 | 
						|
        rt_kprintf("DEBUG   : 128 (1 << 7)\n");
 | 
						|
#endif /* ULOG_USING_SYSLOG */
 | 
						|
    }
 | 
						|
}
 | 
						|
MSH_CMD_EXPORT(ulog_tag_lvl, Set ulog filter level by different tag.);
 | 
						|
 | 
						|
static void ulog_lvl(uint8_t argc, char **argv)
 | 
						|
{
 | 
						|
    if (argc > 1)
 | 
						|
    {
 | 
						|
        if ((atoi(argv[1]) <= LOG_FILTER_LVL_ALL) && (atoi(argv[1]) >= 0))
 | 
						|
        {
 | 
						|
            ulog_global_filter_lvl_set(atoi(argv[1]));
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            rt_kprintf("Please input correct level (0-%d).\n", LOG_FILTER_LVL_ALL);
 | 
						|
        }
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        rt_kprintf("Please input: ulog_lvl <level>.\n");
 | 
						|
#ifndef ULOG_USING_SYSLOG
 | 
						|
        rt_kprintf("Assert  : 0\n");
 | 
						|
        rt_kprintf("Error   : 3\n");
 | 
						|
        rt_kprintf("Warning : 4\n");
 | 
						|
        rt_kprintf("Info    : 6\n");
 | 
						|
        rt_kprintf("Debug   : 7\n");
 | 
						|
#else
 | 
						|
        rt_kprintf("EMERG   :   1 (1 << 0)\n");
 | 
						|
        rt_kprintf("ALERT   :   2 (1 << 1)\n");
 | 
						|
        rt_kprintf("CRIT    :   4 (1 << 2)\n");
 | 
						|
        rt_kprintf("ERR     :   8 (1 << 3)\n");
 | 
						|
        rt_kprintf("WARNING :  16 (1 << 4)\n");
 | 
						|
        rt_kprintf("NOTICE  :  32 (1 << 5)\n");
 | 
						|
        rt_kprintf("INFO    :  64 (1 << 6)\n");
 | 
						|
        rt_kprintf("DEBUG   : 128 (1 << 7)\n");
 | 
						|
#endif /* ULOG_USING_SYSLOG */
 | 
						|
    }
 | 
						|
}
 | 
						|
MSH_CMD_EXPORT(ulog_lvl, Set ulog global filter level.);
 | 
						|
 | 
						|
static void ulog_tag(uint8_t argc, char **argv)
 | 
						|
{
 | 
						|
    if (argc > 1)
 | 
						|
    {
 | 
						|
        if (rt_strlen(argv[1]) <= ULOG_FILTER_TAG_MAX_LEN)
 | 
						|
        {
 | 
						|
            ulog_global_filter_tag_set(argv[1]);
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            rt_kprintf("The tag length is too long. Max is %d.\n", ULOG_FILTER_TAG_MAX_LEN);
 | 
						|
        }
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        ulog_global_filter_tag_set("");
 | 
						|
    }
 | 
						|
}
 | 
						|
MSH_CMD_EXPORT(ulog_tag, Set ulog global filter tag);
 | 
						|
 | 
						|
static void ulog_kw(uint8_t argc, char **argv)
 | 
						|
{
 | 
						|
    if (argc > 1)
 | 
						|
    {
 | 
						|
        if (rt_strlen(argv[1]) <= ULOG_FILTER_KW_MAX_LEN)
 | 
						|
        {
 | 
						|
            ulog_global_filter_kw_set(argv[1]);
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            rt_kprintf("The keyword length is too long. Max is %d.\n", ULOG_FILTER_KW_MAX_LEN);
 | 
						|
        }
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        ulog_global_filter_kw_set("");
 | 
						|
    }
 | 
						|
}
 | 
						|
MSH_CMD_EXPORT(ulog_kw, Set ulog global filter keyword);
 | 
						|
 | 
						|
static void ulog_filter(uint8_t argc, char **argv)
 | 
						|
{
 | 
						|
#ifndef ULOG_USING_SYSLOG
 | 
						|
    const char *lvl_name[] = { "Assert ", "Error  ", "Error  ", "Error  ", "Warning", "Info   ", "Info   ", "Debug  " };
 | 
						|
#endif
 | 
						|
    const char *tag = ulog_global_filter_tag_get(), *kw = ulog_global_filter_kw_get();
 | 
						|
    rt_slist_t *node;
 | 
						|
    ulog_tag_lvl_filter_t tag_lvl = NULL;
 | 
						|
 | 
						|
    rt_kprintf("--------------------------------------\n");
 | 
						|
    rt_kprintf("ulog global filter:\n");
 | 
						|
 | 
						|
#ifndef ULOG_USING_SYSLOG
 | 
						|
    rt_kprintf("level   : %s\n", lvl_name[ulog_global_filter_lvl_get()]);
 | 
						|
#else
 | 
						|
    rt_kprintf("level   : %d\n", ulog_global_filter_lvl_get());
 | 
						|
#endif
 | 
						|
 | 
						|
    rt_kprintf("tag     : %s\n", rt_strlen(tag) == 0 ? "NULL" : tag);
 | 
						|
    rt_kprintf("keyword : %s\n", rt_strlen(kw) == 0 ? "NULL" : kw);
 | 
						|
 | 
						|
    rt_kprintf("--------------------------------------\n");
 | 
						|
    rt_kprintf("ulog tag's level filter:\n");
 | 
						|
    if (rt_slist_isempty(ulog_tag_lvl_list_get()))
 | 
						|
    {
 | 
						|
        rt_kprintf("settings not found\n");
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        /* lock output */
 | 
						|
        output_lock();
 | 
						|
        /* show the tag level list */
 | 
						|
        for (node = rt_slist_first(ulog_tag_lvl_list_get()); node; node = rt_slist_next(node))
 | 
						|
        {
 | 
						|
            tag_lvl = rt_slist_entry(node, struct ulog_tag_lvl_filter, list);
 | 
						|
            rt_kprintf("%-*.s: ", ULOG_FILTER_TAG_MAX_LEN, tag_lvl->tag);
 | 
						|
 | 
						|
#ifndef ULOG_USING_SYSLOG
 | 
						|
            rt_kprintf("%s\n", lvl_name[tag_lvl->level]);
 | 
						|
#else
 | 
						|
            rt_kprintf("%d\n", tag_lvl->level);
 | 
						|
#endif
 | 
						|
 | 
						|
        }
 | 
						|
        /* unlock output */
 | 
						|
        output_unlock();
 | 
						|
    }
 | 
						|
}
 | 
						|
MSH_CMD_EXPORT(ulog_filter, Show ulog filter settings);
 | 
						|
#endif /* defined(RT_USING_FINSH) && defined(FINSH_USING_MSH) */
 | 
						|
#endif /* ULOG_USING_FILTER */
 | 
						|
 | 
						|
rt_err_t ulog_backend_register(ulog_backend_t backend, const char *name, rt_bool_t support_color)
 | 
						|
{
 | 
						|
    rt_base_t level;
 | 
						|
 | 
						|
    RT_ASSERT(backend);
 | 
						|
    RT_ASSERT(name);
 | 
						|
    RT_ASSERT(ulog.init_ok);
 | 
						|
    RT_ASSERT(backend->output);
 | 
						|
 | 
						|
    if (backend->init)
 | 
						|
    {
 | 
						|
        backend->init(backend);
 | 
						|
    }
 | 
						|
 | 
						|
    backend->support_color = support_color;
 | 
						|
    rt_memcpy(backend->name, name, RT_NAME_MAX);
 | 
						|
 | 
						|
    level = rt_hw_interrupt_disable();
 | 
						|
    rt_slist_append(&ulog.backend_list, &backend->list);
 | 
						|
    rt_hw_interrupt_enable(level);
 | 
						|
 | 
						|
    return RT_EOK;
 | 
						|
}
 | 
						|
 | 
						|
rt_err_t ulog_backend_unregister(ulog_backend_t backend)
 | 
						|
{
 | 
						|
    rt_base_t level;
 | 
						|
 | 
						|
    RT_ASSERT(backend);
 | 
						|
    RT_ASSERT(ulog.init_ok);
 | 
						|
 | 
						|
    if (backend->deinit)
 | 
						|
    {
 | 
						|
        backend->deinit(backend);
 | 
						|
    }
 | 
						|
 | 
						|
    level = rt_hw_interrupt_disable();
 | 
						|
    rt_slist_remove(&ulog.backend_list, &backend->list);
 | 
						|
    rt_hw_interrupt_enable(level);
 | 
						|
 | 
						|
    return RT_EOK;
 | 
						|
}
 | 
						|
 | 
						|
#ifdef ULOG_USING_ASYNC_OUTPUT
 | 
						|
/**
 | 
						|
 * asynchronous output logs to all backends
 | 
						|
 *
 | 
						|
 * @note you must call this function when ULOG_ASYNC_OUTPUT_BY_THREAD is disable
 | 
						|
 */
 | 
						|
void ulog_async_output(void)
 | 
						|
{
 | 
						|
    rt_rbb_blk_t log_blk;
 | 
						|
    ulog_frame_t log_frame;
 | 
						|
 | 
						|
    while ((log_blk = rt_rbb_blk_get(ulog.async_rbb)) != NULL)
 | 
						|
    {
 | 
						|
        log_frame = (ulog_frame_t) log_blk->buf;
 | 
						|
        if (log_frame->magic == ULOG_FRAME_MAGIC)
 | 
						|
        {
 | 
						|
            /* output to all backends */
 | 
						|
            ulog_output_to_all_backend(log_frame->level, log_frame->tag, log_frame->is_raw, log_frame->log,
 | 
						|
                    log_frame->log_len);
 | 
						|
        }
 | 
						|
        rt_rbb_blk_free(ulog.async_rbb, log_blk);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * waiting for get asynchronous output log
 | 
						|
 *
 | 
						|
 * @param time the waiting time
 | 
						|
 */
 | 
						|
void ulog_async_waiting_log(rt_int32_t time)
 | 
						|
{
 | 
						|
    rt_sem_control(&ulog.async_notice, RT_IPC_CMD_RESET, RT_NULL);
 | 
						|
    rt_sem_take(&ulog.async_notice, time);
 | 
						|
}
 | 
						|
 | 
						|
static void async_output_thread_entry(void *param)
 | 
						|
{
 | 
						|
    while (1)
 | 
						|
    {
 | 
						|
        ulog_async_waiting_log(RT_WAITING_FOREVER);
 | 
						|
        ulog_async_output();
 | 
						|
    }
 | 
						|
}
 | 
						|
#endif /* ULOG_USING_ASYNC_OUTPUT */
 | 
						|
 | 
						|
/**
 | 
						|
 * flush all backends's log
 | 
						|
 */
 | 
						|
void ulog_flush(void)
 | 
						|
{
 | 
						|
    rt_slist_t *node;
 | 
						|
    ulog_backend_t backend;
 | 
						|
 | 
						|
    if (!ulog.init_ok)
 | 
						|
        return;
 | 
						|
 | 
						|
#ifdef ULOG_USING_ASYNC_OUTPUT
 | 
						|
    ulog_async_output();
 | 
						|
#endif
 | 
						|
 | 
						|
    /* flush all backends */
 | 
						|
    for (node = rt_slist_first(&ulog.backend_list); node; node = rt_slist_next(node))
 | 
						|
    {
 | 
						|
        backend = rt_slist_entry(node, struct ulog_backend, list);
 | 
						|
        if (backend->flush)
 | 
						|
        {
 | 
						|
            backend->flush(backend);
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
int ulog_init(void)
 | 
						|
{
 | 
						|
    if (ulog.init_ok)
 | 
						|
        return 0;
 | 
						|
 | 
						|
    rt_mutex_init(&ulog.output_locker, "ulog lock", RT_IPC_FLAG_FIFO);
 | 
						|
    rt_slist_init(&ulog.backend_list);
 | 
						|
 | 
						|
#ifdef ULOG_USING_FILTER
 | 
						|
    rt_slist_init(ulog_tag_lvl_list_get());
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef ULOG_USING_ASYNC_OUTPUT
 | 
						|
    RT_ASSERT(ULOG_ASYNC_OUTPUT_STORE_LINES >= 2);
 | 
						|
    /* async output ring block buffer */
 | 
						|
    ulog.async_rbb = rt_rbb_create(RT_ALIGN(ULOG_ASYNC_OUTPUT_BUF_SIZE, RT_ALIGN_SIZE), ULOG_ASYNC_OUTPUT_STORE_LINES);
 | 
						|
    if (ulog.async_rbb == NULL)
 | 
						|
    {
 | 
						|
        rt_kprintf("Error: ulog init failed! No memory for async rbb.\n");
 | 
						|
        rt_mutex_detach(&ulog.output_locker);
 | 
						|
        return -RT_ENOMEM;
 | 
						|
    }
 | 
						|
    /* async output thread */
 | 
						|
    ulog.async_th = rt_thread_create("ulog_async", async_output_thread_entry, &ulog, ULOG_ASYNC_OUTPUT_THREAD_STACK,
 | 
						|
            ULOG_ASYNC_OUTPUT_THREAD_PRIORITY, 20);
 | 
						|
    if (ulog.async_th == NULL)
 | 
						|
    {
 | 
						|
        rt_kprintf("Error: ulog init failed! No memory for async output thread.\n");
 | 
						|
        rt_mutex_detach(&ulog.output_locker);
 | 
						|
        rt_rbb_destroy(ulog.async_rbb);
 | 
						|
        return -RT_ENOMEM;
 | 
						|
    }
 | 
						|
 | 
						|
    rt_sem_init(&ulog.async_notice, "ulog", 0, RT_IPC_FLAG_FIFO);
 | 
						|
    /* async output thread startup */
 | 
						|
    rt_thread_startup(ulog.async_th);
 | 
						|
 | 
						|
#endif /* ULOG_USING_ASYNC_OUTPUT */
 | 
						|
 | 
						|
#ifdef ULOG_USING_FILTER
 | 
						|
    ulog_global_filter_lvl_set(LOG_FILTER_LVL_ALL);
 | 
						|
#endif
 | 
						|
 | 
						|
    ulog.init_ok = RT_TRUE;
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
INIT_PREV_EXPORT(ulog_init);
 | 
						|
 | 
						|
void ulog_deinit(void)
 | 
						|
{
 | 
						|
    rt_slist_t *node;
 | 
						|
    ulog_backend_t backend;
 | 
						|
 | 
						|
    if (!ulog.init_ok)
 | 
						|
        return;
 | 
						|
 | 
						|
    /* deinit all backends */
 | 
						|
    for (node = rt_slist_first(&ulog.backend_list); node; node = rt_slist_next(node))
 | 
						|
    {
 | 
						|
        backend = rt_slist_entry(node, struct ulog_backend, list);
 | 
						|
        if (backend->deinit)
 | 
						|
        {
 | 
						|
            backend->deinit(backend);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
#ifdef ULOG_USING_FILTER
 | 
						|
    /* deinit tag's level filter */
 | 
						|
    {
 | 
						|
        ulog_tag_lvl_filter_t tag_lvl;
 | 
						|
        for (node = rt_slist_first(ulog_tag_lvl_list_get()); node; node = rt_slist_next(node))
 | 
						|
        {
 | 
						|
            tag_lvl = rt_slist_entry(node, struct ulog_tag_lvl_filter, list);
 | 
						|
            rt_free(tag_lvl);
 | 
						|
        }
 | 
						|
    }
 | 
						|
#endif /* ULOG_USING_FILTER */
 | 
						|
 | 
						|
    rt_mutex_detach(&ulog.output_locker);
 | 
						|
 | 
						|
#ifdef ULOG_USING_ASYNC_OUTPUT
 | 
						|
    rt_rbb_destroy(ulog.async_rbb);
 | 
						|
    rt_thread_delete(ulog.async_th);
 | 
						|
#endif
 | 
						|
 | 
						|
    ulog.init_ok = RT_FALSE;
 | 
						|
}
 | 
						|
 | 
						|
#endif /* RT_USING_ULOG */
 |