| 27 |
|
|
| 28 |
static char path_common_log[FILE_PATH_LEN]; |
static char path_common_log[FILE_PATH_LEN]; |
| 29 |
static char path_error_log[FILE_PATH_LEN]; |
static char path_error_log[FILE_PATH_LEN]; |
| 30 |
static FILE *fp_common_log; |
static FILE *fp_common_log = NULL; |
| 31 |
static FILE *fp_error_log; |
static FILE *fp_error_log = NULL; |
| 32 |
static int redir_common_log = 0; |
static int redir_common_log = 0; |
| 33 |
static int redir_error_log = 0; |
static int redir_error_log = 0; |
| 34 |
|
|
| 42 |
fp_common_log = fopen(path_common_log, "a"); |
fp_common_log = fopen(path_common_log, "a"); |
| 43 |
if (fp_common_log == NULL) |
if (fp_common_log == NULL) |
| 44 |
{ |
{ |
| 45 |
fprintf(stderr, "fopen(%s) error: %d\n", path_common_log, errno); |
fprintf(stderr, "fopen(%s) error: %s\n", path_common_log, strerror(errno)); |
| 46 |
return -1; |
return -1; |
| 47 |
} |
} |
| 48 |
|
|
| 49 |
fp_error_log = fopen(path_error_log, "a"); |
fp_error_log = fopen(path_error_log, "a"); |
| 50 |
if (fp_error_log == NULL) |
if (fp_error_log == NULL) |
| 51 |
{ |
{ |
| 52 |
fprintf(stderr, "fopen(%s) error: %d\n", path_error_log, errno); |
fprintf(stderr, "fopen(%s) error: %s\n", path_error_log, strerror(errno)); |
| 53 |
|
fclose(fp_common_log); |
| 54 |
|
fp_common_log = NULL; |
| 55 |
return -2; |
return -2; |
| 56 |
} |
} |
| 57 |
|
|
| 63 |
|
|
| 64 |
void log_end() |
void log_end() |
| 65 |
{ |
{ |
| 66 |
fclose(fp_common_log); |
if (fp_common_log) |
| 67 |
fclose(fp_error_log); |
{ |
| 68 |
|
fclose(fp_common_log); |
| 69 |
|
fp_common_log = NULL; |
| 70 |
|
} |
| 71 |
|
if (fp_error_log) |
| 72 |
|
{ |
| 73 |
|
fclose(fp_error_log); |
| 74 |
|
fp_error_log = NULL; |
| 75 |
|
} |
| 76 |
} |
} |
| 77 |
|
|
| 78 |
inline static void log_head(char *buf, size_t len, int log_level, const char *app_file, int app_line) |
inline static int log_head(char *buf, size_t len, int log_level, const char *app_file, int app_line) |
| 79 |
{ |
{ |
| 80 |
time_t t; |
time_t t; |
| 81 |
struct tm gm_tm; |
struct tm gm_tm; |
| 82 |
char s_time[STR_LOG_TIME_MAX_LEN + 1]; |
char s_time[STR_LOG_TIME_MAX_LEN + 1]; |
| 83 |
|
int ret; |
| 84 |
|
|
| 85 |
time(&t); |
time(&t); |
| 86 |
gmtime_r(&t, &gm_tm); |
gmtime_r(&t, &gm_tm); |
| 88 |
|
|
| 89 |
if (log_level == LOG_LEVEL_COMMON) |
if (log_level == LOG_LEVEL_COMMON) |
| 90 |
{ |
{ |
| 91 |
snprintf(buf, len, "[%s] [%d] [INFO] ", s_time, getpid()); |
ret = snprintf(buf, len, "[%s] [%d] [INFO] ", s_time, getpid()); |
| 92 |
} |
} |
| 93 |
else if (log_level == LOG_LEVEL_ERROR) |
else if (log_level == LOG_LEVEL_ERROR) |
| 94 |
{ |
{ |
| 95 |
snprintf(buf, len, "[%s] [%d] [ERROR] [%s:%d] ", s_time, getpid(), app_file, app_line); |
ret = snprintf(buf, len, "[%s] [%d] [ERROR] [%s:%d] ", s_time, getpid(), app_file, app_line); |
| 96 |
} |
} |
| 97 |
else // if (log_level == LOG_LEVEL_DEBUG) |
else // if (log_level == LOG_LEVEL_DEBUG) |
| 98 |
{ |
{ |
| 99 |
snprintf(buf, len, "[%s] [%d] [DEBUG] [%s:%d] ", s_time, getpid(), app_file, app_line); |
ret = snprintf(buf, len, "[%s] [%d] [DEBUG] [%s:%d] ", s_time, getpid(), app_file, app_line); |
| 100 |
} |
} |
| 101 |
|
|
| 102 |
|
return ret; |
| 103 |
} |
} |
| 104 |
|
|
| 105 |
int log_printf(enum log_level_t log_level, const char *app_file, int app_line, const char *format, ...) |
int log_printf(enum log_level_t log_level, const char *app_file, int app_line, const char *format, ...) |
| 106 |
{ |
{ |
| 107 |
va_list args; |
va_list args; |
|
int retval; |
|
| 108 |
char buf[LINE_BUFFER_LEN]; |
char buf[LINE_BUFFER_LEN]; |
| 109 |
FILE *fp_log; |
FILE *fp_log; |
| 110 |
|
int offset; |
| 111 |
|
int ret; |
| 112 |
|
|
| 113 |
fp_log = (log_level == LOG_LEVEL_COMMON ? fp_common_log : fp_error_log); |
fp_log = (log_level == LOG_LEVEL_COMMON ? fp_common_log : fp_error_log); |
| 114 |
|
|
| 115 |
log_head(buf, sizeof(buf), log_level, app_file, app_line); |
offset = log_head(buf, sizeof(buf), log_level, app_file, app_line); |
|
strncat(buf, format, sizeof(buf) - strnlen(buf, sizeof(buf))); |
|
| 116 |
|
|
| 117 |
va_start(args, format); |
va_start(args, format); |
| 118 |
retval = vfprintf(fp_log, buf, args); |
ret = vsnprintf(buf + offset, sizeof(buf) - (size_t)offset, format, args); |
| 119 |
va_end(args); |
va_end(args); |
| 120 |
|
|
| 121 |
fflush(fp_log); |
if (ret < 0) |
| 122 |
|
{ |
| 123 |
|
// Encoding error |
| 124 |
|
return -1; |
| 125 |
|
} |
| 126 |
|
else if (offset + ret >= sizeof(buf)) |
| 127 |
|
{ |
| 128 |
|
buf[sizeof(buf) - 2] = '\n'; // Add newline for truncated messages |
| 129 |
|
buf[sizeof(buf) - 1] = '\0'; // Ensure null termination |
| 130 |
|
if (fputs(buf, fp_log) == EOF) |
| 131 |
|
{ |
| 132 |
|
return -3; // Write error |
| 133 |
|
} |
| 134 |
|
ret = -2; // Indicate truncation |
| 135 |
|
} |
| 136 |
|
else |
| 137 |
|
{ |
| 138 |
|
if (fputs(buf, fp_log) == EOF) |
| 139 |
|
{ |
| 140 |
|
return -3; // Write error |
| 141 |
|
} |
| 142 |
|
ret = offset + ret; |
| 143 |
|
} |
| 144 |
|
|
| 145 |
|
if (fflush(fp_log) == EOF) |
| 146 |
|
{ |
| 147 |
|
return -4; // Flush error |
| 148 |
|
} |
| 149 |
|
|
| 150 |
return retval; |
return ret; |
| 151 |
} |
} |
| 152 |
|
|
| 153 |
int log_common_redir(int fd) |
int log_common_redir(int fd) |
| 164 |
|
|
| 165 |
int log_restart(void) |
int log_restart(void) |
| 166 |
{ |
{ |
| 167 |
FILE *fp; |
FILE *fp_common = NULL; |
| 168 |
|
FILE *fp_error = NULL; |
| 169 |
|
|
| 170 |
if (!redir_common_log) |
if (!redir_common_log) |
| 171 |
{ |
{ |
| 172 |
fp = fopen(path_common_log, "a"); |
fp_common = fopen(path_common_log, "a"); |
| 173 |
if (fp == NULL) |
if (fp_common == NULL) |
| 174 |
{ |
{ |
| 175 |
log_error("fopen(%s) error: %d\n", path_common_log, errno); |
log_error("fopen(%s) error: %s\n", path_common_log, strerror(errno)); |
| 176 |
return -1; |
return -1; |
| 177 |
} |
} |
|
fclose(fp_common_log); |
|
|
fp_common_log = fp; |
|
| 178 |
} |
} |
| 179 |
|
|
| 180 |
if (!redir_error_log) |
if (!redir_error_log) |
| 181 |
{ |
{ |
| 182 |
fp = fopen(path_error_log, "a"); |
fp_error = fopen(path_error_log, "a"); |
| 183 |
if (fp == NULL) |
if (fp_error == NULL) |
| 184 |
{ |
{ |
| 185 |
log_error("fopen(%s) error: %d\n", path_error_log, errno); |
log_error("fopen(%s) error: %s\n", path_error_log, strerror(errno)); |
| 186 |
|
if (fp_common) |
| 187 |
|
{ |
| 188 |
|
fclose(fp_common); |
| 189 |
|
} |
| 190 |
return -2; |
return -2; |
| 191 |
} |
} |
| 192 |
|
} |
| 193 |
|
|
| 194 |
|
// Apply new file pointers |
| 195 |
|
if (fp_common) |
| 196 |
|
{ |
| 197 |
|
fclose(fp_common_log); |
| 198 |
|
fp_common_log = fp_common; |
| 199 |
|
} |
| 200 |
|
if (fp_error) |
| 201 |
|
{ |
| 202 |
fclose(fp_error_log); |
fclose(fp_error_log); |
| 203 |
fp_error_log = fp; |
fp_error_log = fp_error; |
| 204 |
} |
} |
| 205 |
|
|
| 206 |
return 0; |
return 0; |