[11] | 1 | /*
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| 2 | * cf_log.c
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| 3 | */
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[14] | 4 | #ifdef _WIN32
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| 5 | # define _USE_32BIT_TIME_T
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| 6 | #endif
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| 7 |
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[11] | 8 | #include "cf_log.h"
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[12] | 9 | #include "cf_file.h"
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[11] | 10 | #include "cf_thread.h"
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[12] | 11 | #include "cf_local.h"
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[11] | 12 |
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[12] | 13 | #include <stdio.h>
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| 14 | #include <stdlib.h>
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[11] | 15 | #include <string.h>
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[12] | 16 | #include <stdarg.h>
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| 17 | #include <time.h>
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[11] | 18 |
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| 19 | #ifdef _WIN32
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[14] | 20 | # define snprintf _snprintf
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[13] | 21 | # include <Windows.h>
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[11] | 22 | #else // #ifdef _WIN32
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[12] | 23 | # include <sys/time.h>
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[11] | 24 | #endif // #ifdef _WIN32
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| 25 |
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[12] | 26 | #define CHECK_INVALID_CTX(__ctx) \
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| 27 | if (__ctx == NULL) \
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| 28 | return CF_ERROR_LOG_INVALID_CTX
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| 29 |
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| 30 | #define LOCK_LOG_CTX(__ctx) \
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[14] | 31 | CF_Mutex_Lock (&__ctx->mutex)
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[12] | 32 |
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| 33 | #define UNLOCK_LOG_CTX(__ctx) \
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[14] | 34 | CF_Mutex_Unlock (&__ctx->mutex)
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[12] | 35 |
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| 36 | #define CF_LOG_BUFFER_DEFAULT_SIZE 128 * 1024
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| 37 |
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| 38 | typedef struct __cf_util_datetime__
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| 39 | {
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| 40 | int year;
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| 41 | int month;
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| 42 | int day;
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| 43 | int week; /* SUN:0 ~ SAT:6 */
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| 44 |
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| 45 | int hour;
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| 46 | int min;
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| 47 | int sec;
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| 48 | int usec;
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| 49 | } S_CF_Log_DateTime, CF_Log_DateTime;
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| 50 |
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[11] | 51 | typedef struct __cf_log_ctx__ {
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| 52 | char path[NAME_LENGTH + 1];
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| 53 | int fd;
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| 54 | char * buffer;
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[12] | 55 | size_t size; /* entire size of buffer */
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| 56 | size_t length; /* data length in current */
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[11] | 57 | CF_Mutex mutex;
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| 58 | } S_CF_LOG_CTX, CF_LOG_CTX;
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| 59 |
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| 60 | typedef struct __cf_log_environment__ {
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[12] | 61 | CF_Log_Ctx * ctxPool;
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| 62 | int ctxSize;
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| 63 | } S_CF_LOG_ENVIRONMENT, CF_LOG_ENVIRONMENT;
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[11] | 64 |
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[12] | 65 | CF_LOG_ENVIRONMENT gLogEnvironment;
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[11] | 66 |
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[12] | 67 | #if defined(_WIN32) || defined(_WIN64)
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| 68 | /* #if defined(_WIN32) || defined(_WIN64) {{{ */
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| 69 | struct timezone
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| 70 | {
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| 71 | int tz_minuteswest; /* minutes W of Greenwich */
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| 72 | int tz_dsttime; /* type of dst correction */
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| 73 | };
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| 74 |
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| 75 | // Definition of a gettimeofday function
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| 76 | int gettimeofday(struct timeval *tv, struct timezone *tz)
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| 77 | {
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| 78 | // Define a structure to receive the current Windows filetime
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| 79 | FILETIME ft;
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| 80 |
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| 81 | // Initialize the present time to 0 and the timezone to UTC
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| 82 | unsigned __int64 ui64 =0;
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| 83 | static int tzflag = 0;
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| 84 |
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| 85 | if (NULL != tv)
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| 86 | {
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| 87 | GetSystemTimeAsFileTime(&ft);
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| 88 |
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| 89 | ui64 = (((unsigned __int64) ft.dwHighDateTime << 32)
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| 90 | + (unsigned __int64) ft.dwLowDateTime);
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| 91 |
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| 92 | if (ui64)
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| 93 | {
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| 94 | ui64 /= 10;
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| 95 | ui64 -= ((369 * 365 + 89) * (unsigned __int64) 86400) * 1000000;
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| 96 | }
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| 97 |
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| 98 | // Finally change microseconds to seconds and place in the seconds value.
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| 99 | // The modulus picks up the microseconds.
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| 100 | tv->tv_sec = (long)(ui64 / 1000000UL);
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| 101 | tv->tv_usec = (long)(ui64 % 1000000UL);
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| 102 | }
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| 103 |
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| 104 | if (NULL != tz)
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| 105 | {
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| 106 | if (!tzflag)
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| 107 | {
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| 108 | _tzset();
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| 109 | tzflag++;
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| 110 | }
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| 111 |
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| 112 | // Adjust for the timezone west of Greenwich
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| 113 | tz->tz_minuteswest = _timezone / 60;
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| 114 | tz->tz_dsttime = _daylight;
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| 115 | }
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| 116 |
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| 117 | return 0;
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| 118 | }
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| 119 | #endif // #if defined(_WIN32) || defined(_WIN64)
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| 120 | /* }}} #if defined(_WIN32) || defined(_WIN64) */
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| 121 |
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[11] | 122 | int
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[12] | 123 | CF_Log_Local_GetTime (CF_Log_DateTime * dt)
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[11] | 124 | {
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[12] | 125 | struct timeval timeVal;
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| 126 | struct tm * timeSt;
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| 127 |
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| 128 | gettimeofday (&timeVal, NULL);
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[13] | 129 | timeSt = localtime ((const time_t *)&timeVal.tv_sec);
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[12] | 130 |
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| 131 | dt->year = timeSt->tm_year + 1900;
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| 132 | dt->month = timeSt->tm_mon + 1;
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| 133 | dt->day = timeSt->tm_mday;
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| 134 | dt->week = timeSt->tm_wday;
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| 135 |
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| 136 | dt->hour = timeSt->tm_hour;
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| 137 | dt->min = timeSt->tm_min;
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| 138 | dt->sec = timeSt->tm_sec;
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| 139 |
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| 140 | dt->usec = (int) timeVal.tv_usec;
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| 141 |
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| 142 | return CF_OK;
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| 143 | }
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| 144 |
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| 145 | int
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| 146 | CF_Log_Local_GetTimeString (char * buffer)
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| 147 | {
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| 148 | CF_Log_DateTime dt;
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| 149 | CF_Log_Local_GetTime (&dt);
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| 150 |
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[14] | 151 |
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[12] | 152 |
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[14] | 153 | snprintf (buffer, strlen ("0000-00-00 00:00:00.000"),
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| 154 | "%02d-%02d-%02d %02d:%02d:%02d.%03d",
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| 155 | dt.year, dt.month, dt.day,
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| 156 | dt.hour, dt.min, dt.sec, dt.usec);
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| 157 |
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[12] | 158 | return CF_OK;
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| 159 | }
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| 160 |
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| 161 | int
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| 162 | CF_Log_Local_Push (CF_LOG_CTX * ctx,
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| 163 | const char * buffer)
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| 164 | {
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| 165 | strncat (ctx->buffer + ctx->length,
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| 166 | buffer,
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| 167 | ctx->size - ctx->length);
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| 168 | ctx->length = strlen (ctx->buffer);
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| 169 |
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| 170 | return CF_OK;
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| 171 | }
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| 172 |
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| 173 | int
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| 174 | CF_Log_Local_Flush (CF_LOG_CTX * ctx)
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| 175 | {
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| 176 | if (CF_File_Write (ctx->fd, ctx->buffer, ctx->length) < 0)
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| 177 | return CF_ERROR_LOG_FLUSH;
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| 178 |
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| 179 | memset (ctx->buffer, 0x00, ctx->size);
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| 180 | ctx->length = 0;
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| 181 |
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| 182 | return CF_OK;
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| 183 | }
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| 184 |
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| 185 | int
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| 186 | CF_Log_Initialize (const int logPool)
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| 187 | {
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| 188 | memset (&gLogEnvironment, 0x00, sizeof (CF_LOG_ENVIRONMENT));
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[11] | 189 |
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[12] | 190 | if (logPool > 0)
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| 191 | {
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| 192 | gLogEnvironment.ctxPool =
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| 193 | (CF_Log_Ctx *) calloc ((size_t) logPool, sizeof (CF_Log_Ctx));
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| 194 | gLogEnvironment.ctxSize = logPool;
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| 195 | }
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[11] | 196 |
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| 197 | return CF_OK;
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| 198 | }
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| 199 |
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| 200 | int
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| 201 | CF_Log_Finalize (void)
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| 202 | {
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[12] | 203 | memset (&gLogEnvironment, 0x00, sizeof (CF_LOG_ENVIRONMENT));
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[11] | 204 |
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| 205 | return CF_OK;
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| 206 | }
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[12] | 207 |
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| 208 | CF_Log_Ctx
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| 209 | CF_Log_CreateCtx (const char * path,
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| 210 | const int memsize)
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| 211 | {
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| 212 | int result = 0;
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| 213 | int size = (memsize == CF_LOG_BUFFER_DEFAULT)
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| 214 | ? CF_LOG_BUFFER_DEFAULT_SIZE
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| 215 | : memsize;
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| 216 | CF_LOG_CTX * context = NULL;
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| 217 |
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| 218 | if (path == NULL)
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| 219 | return NULL;
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| 220 |
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| 221 | TRY
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| 222 | {
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| 223 | context = (CF_LOG_CTX *) calloc (sizeof (CF_LOG_CTX), 1);
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| 224 | if (context == NULL)
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| 225 | {
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| 226 | result = -1;
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| 227 | TRY_BREAK;
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| 228 | }
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| 229 |
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| 230 | context->fd = CF_File_Create (path);
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| 231 | if (context->fd < 0)
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| 232 | {
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| 233 | result = -2;
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| 234 | TRY_BREAK;
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| 235 | }
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| 236 | sprintf (context->path, "%s", path);
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| 237 |
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| 238 | if (size > 0)
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| 239 | {
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| 240 | context->buffer = (char *) calloc ((size_t) size + 1, 1);
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| 241 | if (context->buffer == NULL)
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| 242 | {
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| 243 | result = -3;
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| 244 | TRY_BREAK;
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| 245 | }
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| 246 | context->size = (size_t) size;
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| 247 | }
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| 248 | }
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| 249 | CATCH_IF (result < 0)
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| 250 | {
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| 251 | CF_Log_DestroyCtx ((CF_Log_Ctx) context);
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| 252 | return NULL;
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| 253 | }
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| 254 |
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| 255 | return (CF_Log_Ctx) context;
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| 256 | }
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| 257 |
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| 258 | int
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| 259 | CF_Log_SetMultiThread (CF_Log_Ctx ctx)
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| 260 | {
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| 261 | CF_LOG_CTX * context = (CF_LOG_CTX *) ctx;
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| 262 |
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| 263 | CHECK_INVALID_CTX (ctx);
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| 264 |
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| 265 | if (CF_Mutex_Create (&context->mutex) < 0)
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| 266 | return CF_ERROR_LOG_SET_MULTITHREAD;
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| 267 |
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| 268 | return CF_OK;
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| 269 | }
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| 270 |
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| 271 | int
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| 272 | CF_Log_UnsetMultiThread (CF_Log_Ctx ctx)
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| 273 | {
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| 274 | CF_LOG_CTX * context = (CF_LOG_CTX *) ctx;
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| 275 |
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| 276 | CHECK_INVALID_CTX (ctx);
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| 277 |
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| 278 | if (CF_Mutex_Destory (&context->mutex) < 0)
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| 279 | return CF_ERROR_LOG_UNSET_MULTITHREAD;
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| 280 |
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| 281 | return CF_OK;
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| 282 | }
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| 283 |
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| 284 | int
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| 285 | CF_Log_DestroyCtx (CF_Log_Ctx ctx)
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| 286 | {
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| 287 | CF_LOG_CTX * context = (CF_LOG_CTX *) ctx;
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| 288 |
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| 289 | CHECK_INVALID_CTX (ctx);
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| 290 |
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| 291 | memset (context->path, 0x00, sizeof (context->path));
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| 292 |
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| 293 | if (context->buffer != NULL)
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| 294 | {
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[14] | 295 | CF_Log_Flush (ctx);
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[12] | 296 | free (context->buffer);
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| 297 | context->buffer = NULL;
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| 298 | context->size = 0;
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| 299 | }
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| 300 |
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| 301 | CF_File_Close (context->fd);
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| 302 |
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| 303 | if (context->mutex != NULL)
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| 304 | {
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| 305 | if (CF_Mutex_Destory (&context->mutex) < 0)
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| 306 | /* do something ? */;
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| 307 |
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| 308 | context->mutex = NULL;
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| 309 | }
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| 310 |
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| 311 | return CF_OK;
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| 312 | }
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| 313 |
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| 314 | int
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| 315 | CF_Log_Write (CF_Log_Ctx ctx,
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| 316 | const char * prefix,
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| 317 | const char * fmt, ...)
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| 318 | {
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| 319 | CF_LOG_CTX * context = (CF_LOG_CTX *) ctx;
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| 320 | va_list valist;
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| 321 | char buffer[4096] = {0x00,};
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| 322 | size_t length = 0;
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| 323 |
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| 324 | CHECK_INVALID_CTX (ctx);
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| 325 |
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| 326 | LOCK_LOG_CTX (context);
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| 327 | va_start (valist, fmt);
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| 328 |
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| 329 | strncat (buffer, "[", 1);
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| 330 | CF_Log_Local_GetTimeString (buffer + strlen (buffer));
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| 331 | sprintf (buffer + strlen (buffer), "][%s] ", prefix);
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| 332 | vsprintf (buffer + strlen (buffer), fmt, valist);
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| 333 |
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| 334 | if (context->size == CF_LOG_BUFFER_NO)
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| 335 | {
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| 336 | context->buffer = buffer;
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| 337 | context->length = strlen (buffer);
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| 338 |
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| 339 | CF_Log_Local_Flush (context);
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| 340 |
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| 341 | context->buffer = NULL;
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| 342 | /* context->length = 0; // already did this in flush */
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| 343 | }
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| 344 | else /* (context->size > 0) */
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| 345 | {
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| 346 | length = context->size - context->length;
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| 347 | CF_Log_Local_Push (context, buffer);
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| 348 |
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| 349 | if (context->length == context->size)
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| 350 | {
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| 351 | CF_Log_Local_Flush (context);
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| 352 | CF_Log_Local_Push (context, buffer + length);
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| 353 | }
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| 354 | }
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| 355 |
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| 356 | va_end (valist);
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| 357 | UNLOCK_LOG_CTX (context);
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| 358 |
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| 359 | return CF_OK;
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| 360 | }
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| 361 |
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| 362 | int
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| 363 | CF_Log_Flush (CF_Log_Ctx ctx)
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| 364 | {
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| 365 | CF_LOG_CTX * context = (CF_LOG_CTX *) ctx;
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| 366 |
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| 367 | CHECK_INVALID_CTX (ctx);
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| 368 |
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| 369 | LOCK_LOG_CTX (context);
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| 370 | CF_Log_Local_Flush (context);
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| 371 | UNLOCK_LOG_CTX (context);
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| 372 |
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| 373 | return CF_OK;
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| 374 | }
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