| 1 |
/*************************************************************************** |
/*************************************************************************** |
| 2 |
log.c - description |
log.c - description |
| 3 |
------------------- |
------------------- |
| 4 |
begin : Mon Oct 18 2004 |
begin : Mon Oct 18 2004 |
| 5 |
copyright : (C) 2004 by leaf |
copyright : (C) 2004 by leaf |
| 6 |
email : leaflet@leafok.com |
email : leaflet@leafok.com |
| 7 |
***************************************************************************/ |
***************************************************************************/ |
| 8 |
|
|
| 9 |
/*************************************************************************** |
/*************************************************************************** |
| 17 |
|
|
| 18 |
#include "io.h" |
#include "io.h" |
| 19 |
#include <stdio.h> |
#include <stdio.h> |
| 20 |
|
#include <string.h> |
| 21 |
#include <stdarg.h> |
#include <stdarg.h> |
| 22 |
#include <sys/types.h> |
#include <sys/types.h> |
| 23 |
#include <time.h> |
#include <time.h> |
| 26 |
FILE *fp_log_std; |
FILE *fp_log_std; |
| 27 |
FILE *fp_log_err; |
FILE *fp_log_err; |
| 28 |
|
|
| 29 |
int |
int log_begin(char *file_log_std, char *file_log_err) |
|
log_begin (char *file_log_std, char *file_log_err) |
|
| 30 |
{ |
{ |
| 31 |
fp_log_std = fopen (file_log_std, "a"); |
fp_log_std = fopen(file_log_std, "a"); |
| 32 |
if (fp_log_std == NULL) |
if (fp_log_std == NULL) |
| 33 |
{ |
{ |
| 34 |
perror ("log_begin failed\n"); |
perror("log_begin failed\n"); |
| 35 |
return -1; |
return -1; |
| 36 |
} |
} |
| 37 |
|
|
| 38 |
fp_log_err = fopen (file_log_err, "a"); |
fp_log_err = fopen(file_log_err, "a"); |
| 39 |
if (fp_log_err == NULL) |
if (fp_log_err == NULL) |
| 40 |
{ |
{ |
| 41 |
perror ("log_begin failed\n"); |
perror("log_begin failed\n"); |
| 42 |
return -2; |
return -2; |
| 43 |
} |
} |
| 44 |
|
|
| 45 |
return 0; |
return 0; |
| 46 |
} |
} |
| 47 |
|
|
| 48 |
int |
void log_end() |
|
log_end () |
|
| 49 |
{ |
{ |
| 50 |
fclose (fp_log_std); |
fclose(fp_log_std); |
| 51 |
fclose (fp_log_err); |
fclose(fp_log_err); |
| 52 |
} |
} |
| 53 |
|
|
| 54 |
int |
int log_head(char *buf, size_t len) |
|
log_head (char *buf) |
|
| 55 |
{ |
{ |
| 56 |
time_t t; |
time_t t; |
| 57 |
char s_time[256]; |
char s_time[256]; |
| 58 |
t = time (0); |
t = time(0); |
| 59 |
|
|
| 60 |
strftime (s_time, 256, "%Y-%m-%d %H:%M:%S", localtime (&t)); |
strftime(s_time, sizeof(s_time), "%Y-%m-%d %H:%M:%S", localtime(&t)); |
| 61 |
sprintf (buf, "[%s] [%d] ", s_time, getpid ()); |
snprintf(buf, len, "[%s] [%d] ", s_time, getpid()); |
| 62 |
|
|
| 63 |
return 0; |
return 0; |
| 64 |
} |
} |
| 65 |
|
|
| 66 |
int |
int log_std(const char *format, ...) |
|
log_std (const char *format, ...) |
|
| 67 |
{ |
{ |
| 68 |
va_list args; |
va_list args; |
| 69 |
int retval; |
int retval; |
| 70 |
char buf[1024]; |
char buf[1024]; |
| 71 |
|
|
| 72 |
log_head (buf); |
log_head(buf, sizeof(buf)); |
| 73 |
strcat (buf, format); |
strncat(buf, format, sizeof(buf) - strnlen(buf, sizeof(buf))); |
| 74 |
|
|
| 75 |
va_start (args, format); |
va_start(args, format); |
| 76 |
retval = vfprintf (fp_log_std, buf, args); |
retval = vfprintf(fp_log_std, buf, args); |
| 77 |
va_end (args); |
va_end(args); |
| 78 |
|
|
| 79 |
fflush (fp_log_std); |
fflush(fp_log_std); |
| 80 |
|
|
| 81 |
return retval; |
return retval; |
| 82 |
} |
} |
| 83 |
|
|
| 84 |
int |
int log_error(const char *format, ...) |
|
log_error (const char *format, ...) |
|
| 85 |
{ |
{ |
| 86 |
va_list args; |
va_list args; |
| 87 |
int retval; |
int retval; |
| 88 |
char buf[1024]; |
char buf[1024]; |
| 89 |
|
|
| 90 |
log_head (buf); |
log_head(buf, sizeof(buf)); |
| 91 |
strcat (buf, format); |
strncat(buf, format, sizeof(buf) - strnlen(buf, sizeof(buf))); |
| 92 |
|
|
| 93 |
va_start (args, format); |
va_start(args, format); |
| 94 |
retval = vfprintf (fp_log_err, buf, args); |
retval = vfprintf(fp_log_err, buf, args); |
| 95 |
va_end (args); |
va_end(args); |
| 96 |
|
|
| 97 |
fflush (fp_log_err); |
fflush(fp_log_err); |
| 98 |
|
|
| 99 |
return retval; |
return retval; |
| 100 |
} |
} |
| 101 |
|
|
| 102 |
int |
int log_std_redirect(int fd) |
|
log_std_redirect (int fd) |
|
| 103 |
{ |
{ |
| 104 |
int ret; |
int ret; |
| 105 |
close (fileno (fp_log_std)); |
close(fileno(fp_log_std)); |
| 106 |
ret = dup2 (fd, fileno (fp_log_std)); |
ret = dup2(fd, fileno(fp_log_std)); |
| 107 |
return ret; |
return ret; |
| 108 |
} |
} |
| 109 |
|
|
| 110 |
int |
int log_err_redirect(int fd) |
|
log_err_redirect (int fd) |
|
| 111 |
{ |
{ |
| 112 |
int ret; |
int ret; |
| 113 |
close (fileno (fp_log_err)); |
close(fileno(fp_log_err)); |
| 114 |
ret = dup2 (fd, fileno (fp_log_err)); |
ret = dup2(fd, fileno(fp_log_err)); |
| 115 |
return ret; |
return ret; |
| 116 |
} |
} |