| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /**
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| 2 | *
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| 3 | * @file cp_log.c
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| 4 | * @brief
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| 5 | * This file is part of ZCAT.
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| 6 | * zcatÓ¦Óòãlog_agent´¦ÀícplogÉ豸
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| 7 | *
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| 8 | * @details
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| 9 | * @author Tools Team.
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| 10 | * @email
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| 11 | * @copyright Copyright (C) 2013 Sanechips Technology Co., Ltd.
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| 12 | * @warning
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| 13 | * @date 2019/02/02
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| 14 | * @version 1.2
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| 15 | * @pre
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| 16 | * @post
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| 17 | *
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| 18 | * @par
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| 19 | * Change History :
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| 20 | * ---------------------------------------------------------------------------
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| 21 | * date version author description
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| 22 | * ---------------------------------------------------------------------------
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| 23 | * 2017/07/17 1.0 hou.bing Create file
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| 24 | * 2019/01/24 1.1 jiang.fenglin 1.Ìí¼Óusblog¶ÁдËø
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| 25 | * 2.Ìí¼ÓÏß³ÌÃû³Æ
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| 26 | * 2019/02/02 1.2 jiang.fenglin ÐÞ¸Ä×¢ÊÍ·½Ê½Îªdoxygen
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| 27 | * ---------------------------------------------------------------------------
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| 28 | *
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| 29 | *
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| 30 | */
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| 31 |
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| 32 | #include <string.h>
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| 33 | #include <time.h>
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| 34 | #include <pthread.h>
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| 35 | #include <sys/prctl.h>
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| 36 | #include "log_agent.h"
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| 37 |
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| 38 | #define MAX_PACKET_LEN (0x10000)
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| 39 | #define MAX_CP_PACKET_LEN (MAX_PACKET_LEN * 2)
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| 40 |
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| 41 | const char* cplog_dev = "/dev/cplog"; // É豸·¾¶
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| 42 | static unsigned char g_cp_read_buffer[MAX_CP_PACKET_LEN] = {0}; // Êý¾Ý»º´æ
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| 43 | pthread_t read_cplog_thread = 0;
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| 44 | int cplog_fd = -1;
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| 45 |
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| 46 | extern void send_log_out(unsigned char* buf, int len);
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| 47 |
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| 48 | /**
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| 49 | * @brief ¶ÁÈ¡cplogÏ̺߳¯Êý£¬\n
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| 50 | * ´¦Àí´ÓcplogÉ豸ÖеÄlogÊý¾Ý£¬²¢×ª·¢³öÈ¥.
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| 51 | * @param[in] args Ï̺߳¯Êý²ÎÊý
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| 52 | * @return void
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| 53 | * @note
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| 54 | * @see
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| 55 | */
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| 56 | void *read_cplog(void* args)
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| 57 | {
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| 58 | const struct timespec notimer_interval = {0, 20000000};//20ms
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| 59 | int read_Len = -1;
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| 60 | int nosleep_ret = -1;
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| 61 |
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| 62 | prctl(PR_SET_NAME, "read_cplog");
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| 63 |
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| 64 | while(1)
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| 65 | {
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| 66 | read_Len = read(cplog_fd, g_cp_read_buffer, MAX_CP_PACKET_LEN);
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| 67 |
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| 68 | if(read_Len > 0)
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| 69 | {
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| 70 | //printf("zcat: read_cplog read_Len %d\n", read_Len);
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| 71 | send_log_out(g_cp_read_buffer, read_Len);
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| 72 | memset(g_cp_read_buffer, 0, MAX_CP_PACKET_LEN);
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| 73 | }
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| 74 | else if(read_Len == 0)
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| 75 | {
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| 76 | nosleep_ret = nanosleep(¬imer_interval, NULL);
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| 77 | if(nosleep_ret < 0)
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| 78 | {
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| 79 | sleep(1);
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| 80 | }
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| 81 | }
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| 82 | else
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| 83 | {
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| 84 | sleep(1);
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| 85 | }
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| 86 |
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| 87 | }
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| 88 | }
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| 89 |
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