[11] | 1 | /*
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| 2 | * cf_log.c
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| 3 | */
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| 4 | #include "cf_log.h"
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[12] | 5 | #include "cf_file.h"
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[11] | 6 | #include "cf_thread.h"
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[12] | 7 | #include "cf_local.h"
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[11] | 8 |
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[12] | 9 | #include <stdio.h>
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| 10 | #include <stdlib.h>
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[11] | 11 | #include <string.h>
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[12] | 12 | #include <stdarg.h>
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| 13 | #include <time.h>
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[11] | 14 |
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| 15 | #ifdef _WIN32
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| 16 | #else // #ifdef _WIN32
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| 17 | # include <sys/stat.h>
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[12] | 18 | # include <sys/time.h>
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[11] | 19 | #endif // #ifdef _WIN32
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| 20 |
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[12] | 21 | #define CHECK_INVALID_CTX(__ctx) \
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| 22 | if (__ctx == NULL) \
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| 23 | return CF_ERROR_LOG_INVALID_CTX
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| 24 |
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| 25 | #define LOCK_LOG_CTX(__ctx) \
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| 26 | if (CF_Mutex_Lock (&__ctx->mutex) < 0) \
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| 27 | return CF_ERROR_LOG_LOCK_CTX
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| 28 |
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| 29 | #define UNLOCK_LOG_CTX(__ctx) \
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| 30 | if (CF_Mutex_Unlock (&__ctx->mutex) < 0) \
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| 31 | return CF_ERROR_LOG_UNLOCK_CTX
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| 32 |
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| 33 | #define CF_LOG_BUFFER_DEFAULT_SIZE 128 * 1024
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| 34 |
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| 35 | typedef struct __cf_util_datetime__
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| 36 | {
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| 37 | int year;
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| 38 | int month;
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| 39 | int day;
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| 40 | int week; /* SUN:0 ~ SAT:6 */
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| 41 |
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| 42 | int hour;
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| 43 | int min;
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| 44 | int sec;
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| 45 | int usec;
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| 46 | } S_CF_Log_DateTime, CF_Log_DateTime;
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| 47 |
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[11] | 48 | typedef struct __cf_log_ctx__ {
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| 49 | char path[NAME_LENGTH + 1];
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| 50 | int fd;
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| 51 | char * buffer;
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[12] | 52 | size_t size; /* entire size of buffer */
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| 53 | size_t length; /* data length in current */
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[11] | 54 | CF_Mutex mutex;
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| 55 | } S_CF_LOG_CTX, CF_LOG_CTX;
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| 56 |
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| 57 | typedef struct __cf_log_environment__ {
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| 58 | __blksize_t fsBlockSize;
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[12] | 59 | CF_Log_Ctx * ctxPool;
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| 60 | int ctxSize;
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| 61 | } S_CF_LOG_ENVIRONMENT, CF_LOG_ENVIRONMENT;
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[11] | 62 |
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[12] | 63 | CF_LOG_ENVIRONMENT gLogEnvironment;
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[11] | 64 |
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[12] | 65 | #if defined(_WIN32) || defined(_WIN64)
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| 66 | /* #if defined(_WIN32) || defined(_WIN64) {{{ */
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| 67 | struct timezone
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| 68 | {
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| 69 | int tz_minuteswest; /* minutes W of Greenwich */
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| 70 | int tz_dsttime; /* type of dst correction */
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| 71 | };
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| 72 |
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| 73 | // Definition of a gettimeofday function
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| 74 | int gettimeofday(struct timeval *tv, struct timezone *tz)
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| 75 | {
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| 76 | // Define a structure to receive the current Windows filetime
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| 77 | FILETIME ft;
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| 78 |
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| 79 | // Initialize the present time to 0 and the timezone to UTC
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| 80 | unsigned __int64 ui64 =0;
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| 81 | static int tzflag = 0;
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| 82 |
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| 83 | if (NULL != tv)
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| 84 | {
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| 85 | GetSystemTimeAsFileTime(&ft);
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| 86 |
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| 87 | ui64 = (((unsigned __int64) ft.dwHighDateTime << 32)
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| 88 | + (unsigned __int64) ft.dwLowDateTime);
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| 89 |
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| 90 | if (ui64)
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| 91 | {
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| 92 | ui64 /= 10;
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| 93 | ui64 -= ((369 * 365 + 89) * (unsigned __int64) 86400) * 1000000;
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| 94 | }
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| 95 |
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| 96 | // Finally change microseconds to seconds and place in the seconds value.
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| 97 | // The modulus picks up the microseconds.
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| 98 | tv->tv_sec = (long)(ui64 / 1000000UL);
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| 99 | tv->tv_usec = (long)(ui64 % 1000000UL);
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| 100 | }
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| 101 |
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| 102 | if (NULL != tz)
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| 103 | {
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| 104 | if (!tzflag)
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| 105 | {
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| 106 | _tzset();
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| 107 | tzflag++;
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| 108 | }
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| 109 |
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| 110 | // Adjust for the timezone west of Greenwich
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| 111 | tz->tz_minuteswest = _timezone / 60;
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| 112 | tz->tz_dsttime = _daylight;
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| 113 | }
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| 114 |
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| 115 | return 0;
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| 116 | }
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| 117 | #endif // #if defined(_WIN32) || defined(_WIN64)
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| 118 | /* }}} #if defined(_WIN32) || defined(_WIN64) */
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| 119 |
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[11] | 120 | int
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[12] | 121 | CF_Log_Local_GetTime (CF_Log_DateTime * dt)
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[11] | 122 | {
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[12] | 123 | struct timeval timeVal;
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| 124 | struct tm * timeSt;
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| 125 |
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| 126 | gettimeofday (&timeVal, NULL);
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| 127 | timeSt = localtime (&timeVal.tv_sec);
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| 128 |
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| 129 | dt->year = timeSt->tm_year + 1900;
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| 130 | dt->month = timeSt->tm_mon + 1;
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| 131 | dt->day = timeSt->tm_mday;
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| 132 | dt->week = timeSt->tm_wday;
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| 133 |
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| 134 | dt->hour = timeSt->tm_hour;
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| 135 | dt->min = timeSt->tm_min;
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| 136 | dt->sec = timeSt->tm_sec;
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| 137 |
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| 138 | dt->usec = (int) timeVal.tv_usec;
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| 139 |
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| 140 | return CF_OK;
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| 141 | }
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| 142 |
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| 143 | int
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| 144 | CF_Log_Local_GetTimeString (char * buffer)
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| 145 | {
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| 146 | CF_Log_DateTime dt;
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| 147 | CF_Log_Local_GetTime (&dt);
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| 148 |
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| 149 | sprintf (buffer, "%02d-%02d-%02d %02d:%02d:%02d.%03d",
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| 150 | dt.year, dt.month, dt.day,
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| 151 | dt.hour, dt.min, dt.sec, dt.usec);
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| 152 |
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| 153 | return CF_OK;
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| 154 | }
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| 155 |
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| 156 | int
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| 157 | CF_Log_Local_Push (CF_LOG_CTX * ctx,
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| 158 | const char * buffer)
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| 159 | {
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| 160 | strncat (ctx->buffer + ctx->length,
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| 161 | buffer,
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| 162 | ctx->size - ctx->length);
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| 163 | ctx->length = strlen (ctx->buffer);
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| 164 |
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| 165 | return CF_OK;
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| 166 | }
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| 167 |
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| 168 | int
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| 169 | CF_Log_Local_Flush (CF_LOG_CTX * ctx)
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| 170 | {
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| 171 | if (CF_File_Write (ctx->fd, ctx->buffer, ctx->length) < 0)
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| 172 | return CF_ERROR_LOG_FLUSH;
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| 173 |
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| 174 | memset (ctx->buffer, 0x00, ctx->size);
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| 175 | ctx->length = 0;
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| 176 |
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| 177 | return CF_OK;
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| 178 | }
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| 179 |
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| 180 | int
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| 181 | CF_Log_Initialize (const int logPool)
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| 182 | {
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[11] | 183 | struct stat fsstat;
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| 184 |
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[12] | 185 | memset (&gLogEnvironment, 0x00, sizeof (CF_LOG_ENVIRONMENT));
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[11] | 186 |
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[12] | 187 | if (stat (".", &fsstat) < 0)
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[11] | 188 | return CF_ERROR_LOG_INITIALIZE;
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| 189 |
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| 190 | gLogEnvironment.fsBlockSize = fsstat.st_blksize;
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[12] | 191 | if (logPool > 0)
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| 192 | {
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| 193 | gLogEnvironment.ctxPool =
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| 194 | (CF_Log_Ctx *) calloc ((size_t) logPool, sizeof (CF_Log_Ctx));
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| 195 | gLogEnvironment.ctxSize = logPool;
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| 196 | }
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[11] | 197 |
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| 198 | return CF_OK;
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| 199 | }
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| 200 |
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| 201 | int
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| 202 | CF_Log_Finalize (void)
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| 203 | {
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[12] | 204 | memset (&gLogEnvironment, 0x00, sizeof (CF_LOG_ENVIRONMENT));
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[11] | 205 |
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| 206 | return CF_OK;
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| 207 | }
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[12] | 208 |
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| 209 | CF_Log_Ctx
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| 210 | CF_Log_CreateCtx (const char * path,
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| 211 | const int memsize)
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| 212 | {
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| 213 | int result = 0;
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| 214 | int size = (memsize == CF_LOG_BUFFER_DEFAULT)
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| 215 | ? CF_LOG_BUFFER_DEFAULT_SIZE
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| 216 | : memsize;
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| 217 | CF_LOG_CTX * context = NULL;
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| 218 |
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| 219 | if (path == NULL)
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| 220 | return NULL;
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| 221 |
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| 222 | TRY
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| 223 | {
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| 224 | context = (CF_LOG_CTX *) calloc (sizeof (CF_LOG_CTX), 1);
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| 225 | if (context == NULL)
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| 226 | {
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| 227 | result = -1;
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| 228 | TRY_BREAK;
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| 229 | }
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| 230 |
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| 231 | context->fd = CF_File_Create (path);
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| 232 | if (context->fd < 0)
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| 233 | {
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| 234 | result = -2;
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| 235 | TRY_BREAK;
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| 236 | }
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| 237 | sprintf (context->path, "%s", path);
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| 238 |
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| 239 | if (size > 0)
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| 240 | {
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| 241 | context->buffer = (char *) calloc ((size_t) size + 1, 1);
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| 242 | if (context->buffer == NULL)
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| 243 | {
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| 244 | result = -3;
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| 245 | TRY_BREAK;
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| 246 | }
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| 247 | context->size = (size_t) size;
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| 248 | }
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| 249 | }
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| 250 | CATCH_IF (result < 0)
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| 251 | {
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| 252 | CF_Log_DestroyCtx ((CF_Log_Ctx) context);
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| 253 | return NULL;
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| 254 | }
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| 255 |
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| 256 | return (CF_Log_Ctx) context;
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| 257 | }
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| 258 |
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| 259 | int
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| 260 | CF_Log_SetMultiThread (CF_Log_Ctx ctx)
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| 261 | {
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| 262 | CF_LOG_CTX * context = (CF_LOG_CTX *) ctx;
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| 263 |
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| 264 | CHECK_INVALID_CTX (ctx);
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| 265 |
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| 266 | if (CF_Mutex_Create (&context->mutex) < 0)
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| 267 | return CF_ERROR_LOG_SET_MULTITHREAD;
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| 268 |
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| 269 | return CF_OK;
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| 270 | }
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| 271 |
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| 272 | int
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| 273 | CF_Log_UnsetMultiThread (CF_Log_Ctx ctx)
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| 274 | {
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| 275 | CF_LOG_CTX * context = (CF_LOG_CTX *) ctx;
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| 276 |
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| 277 | CHECK_INVALID_CTX (ctx);
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| 278 |
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| 279 | if (CF_Mutex_Destory (&context->mutex) < 0)
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| 280 | return CF_ERROR_LOG_UNSET_MULTITHREAD;
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| 281 |
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| 282 | return CF_OK;
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| 283 | }
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| 284 |
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| 285 | int
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| 286 | CF_Log_DestroyCtx (CF_Log_Ctx ctx)
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| 287 | {
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| 288 | CF_LOG_CTX * context = (CF_LOG_CTX *) ctx;
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| 289 |
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| 290 | CHECK_INVALID_CTX (ctx);
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| 291 |
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| 292 | memset (context->path, 0x00, sizeof (context->path));
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| 293 |
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| 294 | if (context->buffer != NULL)
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| 295 | {
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| 296 | /* FIXME : write residual data in buffer */
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| 297 |
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| 298 | free (context->buffer);
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| 299 | context->buffer = NULL;
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| 300 | context->size = 0;
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| 301 | }
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| 302 |
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| 303 | CF_File_Close (context->fd);
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| 304 |
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| 305 | if (context->mutex != NULL)
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| 306 | {
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| 307 | if (CF_Mutex_Destory (&context->mutex) < 0)
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| 308 | /* do something ? */;
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| 309 |
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| 310 | context->mutex = NULL;
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| 311 | }
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| 312 |
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| 313 | return CF_OK;
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| 314 | }
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| 315 |
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| 316 | int
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| 317 | CF_Log_Write (CF_Log_Ctx ctx,
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| 318 | const char * prefix,
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| 319 | const char * fmt, ...)
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| 320 | {
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| 321 | CF_LOG_CTX * context = (CF_LOG_CTX *) ctx;
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| 322 | va_list valist;
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| 323 | char buffer[4096] = {0x00,};
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| 324 | size_t length = 0;
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| 325 |
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| 326 | CHECK_INVALID_CTX (ctx);
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| 327 |
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| 328 | LOCK_LOG_CTX (context);
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| 329 | va_start (valist, fmt);
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| 330 |
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| 331 | strncat (buffer, "[", 1);
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| 332 | CF_Log_Local_GetTimeString (buffer + strlen (buffer));
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| 333 | sprintf (buffer + strlen (buffer), "][%s] ", prefix);
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| 334 | vsprintf (buffer + strlen (buffer), fmt, valist);
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| 335 |
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| 336 | if (context->size == CF_LOG_BUFFER_NO)
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| 337 | {
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| 338 | context->buffer = buffer;
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| 339 | context->length = strlen (buffer);
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| 340 |
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| 341 | CF_Log_Local_Flush (context);
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| 342 |
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| 343 | context->buffer = NULL;
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| 344 | /* context->length = 0; // already did this in flush */
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| 345 | }
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| 346 | else /* (context->size > 0) */
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| 347 | {
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| 348 | length = context->size - context->length;
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| 349 | CF_Log_Local_Push (context, buffer);
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| 350 |
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| 351 | if (context->length == context->size)
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| 352 | {
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| 353 | CF_Log_Local_Flush (context);
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| 354 | CF_Log_Local_Push (context, buffer + length);
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| 355 | }
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| 356 | }
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| 357 |
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| 358 | va_end (valist);
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| 359 | UNLOCK_LOG_CTX (context);
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| 360 |
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| 361 | return CF_OK;
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| 362 | }
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| 363 |
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| 364 | int
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| 365 | CF_Log_Flush (CF_Log_Ctx ctx)
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| 366 | {
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| 367 | CF_LOG_CTX * context = (CF_LOG_CTX *) ctx;
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| 368 |
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| 369 | CHECK_INVALID_CTX (ctx);
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| 370 |
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| 371 | LOCK_LOG_CTX (context);
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| 372 | CF_Log_Local_Flush (context);
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| 373 | UNLOCK_LOG_CTX (context);
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| 374 |
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| 375 | return CF_OK;
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| 376 | }
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