| /**
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 |  * 
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 |  * @file      cp_log.c
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 |  * @brief     
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 |  *            This file is part of ZCAT.
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 |  *            zcatÓ¦Óòãlog_agent´¦ÀícplogÉ豸
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 |  *            
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 |  * @details   
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 |  * @author    Tools Team.
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 |  * @email     
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 |  * @copyright Copyright (C) 2013 Sanechips Technology Co., Ltd.
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 |  * @warning   
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 |  * @date      2019/02/02
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 |  * @version   1.2
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 |  * @pre       
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 |  * @post      
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 |  *            
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 |  * @par       
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 |  * Change History :
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 |  * ---------------------------------------------------------------------------
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 |  * date        version  author         description
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 |  * ---------------------------------------------------------------------------
 | 
 |  * 2017/07/17  1.0      hou.bing       Create file
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 |  * 2019/01/24  1.1      jiang.fenglin  1.Ìí¼Óusblog¶ÁÐ´Ëø
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 |  *                                     2.Ìí¼ÓÏß³ÌÃû³Æ
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 |  * 2019/02/02  1.2      jiang.fenglin  ÐÞ¸Ä×¢ÊÍ·½Ê½Îªdoxygen
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 |  * ---------------------------------------------------------------------------
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 |  * 
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 |  * 
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 |  */
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 | 
 | 
 | #include <string.h>
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 | #include <time.h>
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 | #include <pthread.h>
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 | #include <sys/prctl.h>
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 | #include "log_agent.h"
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 | 
 | 
 | #define MAX_PACKET_LEN       (0x10000)
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 | #define MAX_CP_PACKET_LEN    (MAX_PACKET_LEN * 2)
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 | 
 | 
 | const char* cplog_dev = "/dev/cplog";     // É豸·¾¶
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 | static unsigned char g_cp_read_buffer[MAX_CP_PACKET_LEN] = {0}; // Êý¾Ý»º´æ
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 | pthread_t read_cplog_thread = 0;
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 | int cplog_fd = -1;
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 | 
 | 
 | extern void send_log_out(unsigned char* buf, int len);
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 | 
 | 
 | /**
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 |  * @brief ¶ÁÈ¡cplogÏ̺߳¯Êý£¬\n
 | 
 |  *        ´¦Àí´ÓcplogÉ豸ÖеÄlogÊý¾Ý£¬²¢×ª·¢³öÈ¥.
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 |  * @param[in] args Ï̺߳¯Êý²ÎÊý
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 |  * @return void
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 |  * @note
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 |  * @see 
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 |  */
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 | void *read_cplog(void* args)
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 | {
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 |     const struct timespec notimer_interval = {0, 20000000};//20ms
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 |     int read_Len = -1;
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 |     int nosleep_ret = -1;
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 | 
 | 
 |     prctl(PR_SET_NAME, "read_cplog");
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 |     
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 |     while(1)
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 |     {   
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 |         read_Len = read(cplog_fd, g_cp_read_buffer, MAX_CP_PACKET_LEN);
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 |         
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 |         if(read_Len > 0)
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 |         {           
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 |             //printf("zcat: read_cplog read_Len %d\n", read_Len);
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 |             send_log_out(g_cp_read_buffer, read_Len);   
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 |             memset(g_cp_read_buffer, 0, MAX_CP_PACKET_LEN);
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 |         }
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 |         else if(read_Len == 0)
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 |         {
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 |             nosleep_ret = nanosleep(¬imer_interval, NULL);
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 |             if(nosleep_ret < 0)
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 |             {
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 |                 sleep(1);
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 |             }
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 |         }
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 |         else
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 |         {
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 |             sleep(1);
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 |         }
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 |         
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 |     }
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 | }
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 | 
 |