173 lines
3.3 KiB
C
173 lines
3.3 KiB
C
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/** @file log.c
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@brief ϵͳ<EFBFBD><EFBFBD>־<EFBFBD>ӿ<EFBFBD><EFBFBD>ļ<EFBFBD>
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@details ʵ<EFBFBD>ֱ<EFBFBD><EFBFBD>ش<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־<EFBFBD>͵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̨<EFBFBD><EFBFBD>־<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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@version 1.0.0
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@author HuangXin
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@date 2012-11-20
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@copyright Synway
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*/
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#include <linux/slab.h>
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#include <linux/time.h>
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#include <linux/rtc.h>
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#include "log.h"
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#ifndef NULL
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#define NULL (0)
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#endif
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#ifndef TRUE
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#define TRUE (1)
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#endif
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#ifndef FALSE
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#define FALSE (0)
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#endif
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static int g_iMinLevel = LOG_All;
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/**
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* @brief Log <EFBFBD><EFBFBD><EFBFBD>Եȼ<EFBFBD>ת<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
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* @param level <EFBFBD><EFBFBD><EFBFBD>Եȼ<EFBFBD>
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* @return <EFBFBD><EFBFBD><EFBFBD>Եȼ<EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
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*/
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static const char* LogLevelToStr(LOG_LEVEL level)
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{
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switch(level)
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{
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case LOG_Test:
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return "T";
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case LOG_Info:
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return "I";
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case LOG_Debug:
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return "D";
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case LOG_Warn:
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return "W";
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case LOG_Error:
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return "E";
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case LOG_Fatal:
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return "F";
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case LOG_Unknown:
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return "U";
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default:
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return "U";
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}
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return "U";
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}
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/**
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* @brief <EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD>Եȼ<EFBFBD>
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* @param level <EFBFBD><EFBFBD><EFBFBD>Եȼ<EFBFBD>
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* @param iEnable 1 <EFBFBD><EFBFBD><EFBFBD>Եȼ<EFBFBD><EFBFBD><EFBFBD> 0 <EFBFBD>رյ<EFBFBD><EFBFBD>Եȼ<EFBFBD>
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*/
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void HD_EnableLogLevel(LOG_LEVEL level, int iEnable)
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{
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if(iEnable > 0)
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{
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g_iMinLevel |= level;
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}
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else
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{
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g_iMinLevel &= ~(level);
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}
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}
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/**
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* @brief <EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD> Log<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Log<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
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* @details <EFBFBD><EFBFBD> Log <EFBFBD>м<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>䣬<EFBFBD><EFBFBD><EFBFBD>Եȼ<EFBFBD><EFBFBD>ȸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
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* @param cFlag <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @param pMsg <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @param dt Log <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
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*/
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static void HD_LinuxPrintf(LOG_LEVEL level, struct tm* dt, const char* pMsg)
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{
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char* pDebugMsg = (char*)kmalloc(strlen(pMsg) + 64, GFP_KERNEL);
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if(pDebugMsg == NULL)
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{
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printk("Log Malloc Memory Error\n");
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printk("%s", pMsg);
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return;
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}
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sprintf(pDebugMsg, "[%02d:%02d:%02d:%03d] [%s] %s",
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dt->tm_hour, dt->tm_min, dt->tm_sec, dt->tm_yday,
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LogLevelToStr(level), pMsg);
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printk(pDebugMsg);
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kfree(pDebugMsg);
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}
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/**
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* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
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* @details <EFBFBD><EFBFBD><EFBFBD><EFBFBD> \a cFlag <EFBFBD>ĵȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ \a pMsg
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* @param cFlag <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @param pMsg <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*/
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static void HD_PRINTF(LOG_LEVEL level, const char* pMsg)
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{
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struct timeval tv;
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struct tm wtm;
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do_gettimeofday(&tv);
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time_to_tm(tv.tv_sec, 0, &wtm);
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wtm.tm_yday = tv.tv_usec / 1000;
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HD_LinuxPrintf(level, &wtm, pMsg);
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}
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/**
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* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
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* @param cFlag <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @param pMsg <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*/
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void HD_LOG(LOG_LEVEL level, const char* pMsg, ...)
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{
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__builtin_va_list arg_ptr;
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int iMsgLen = 0;
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char buf[512];
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char* pMsgBuf = NULL;
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Եȼ<D4B5>
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if(!(g_iMinLevel & level))
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{
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return;
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}
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memset(buf, 0, sizeof(buf));
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va_start(arg_ptr, pMsg);
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iMsgLen = __builtin_vsnprintf(buf, sizeof(buf), pMsg, arg_ptr);
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va_end(arg_ptr);
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if(iMsgLen > sizeof(buf))
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{
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pMsgBuf = (char*)kmalloc(iMsgLen + 1, GFP_KERNEL);
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if(pMsgBuf == NULL)
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{
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return;
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}
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va_start(arg_ptr, pMsg);
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iMsgLen = __builtin_vsnprintf(pMsgBuf, iMsgLen + 1, pMsg, arg_ptr);
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va_end(arg_ptr);
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HD_PRINTF(level, pMsgBuf);
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kfree(pMsgBuf);
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}
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else
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{
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HD_PRINTF(level, buf);
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}
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}
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