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log: function cleanups

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Signed-off-by: 2xsec <dh48.jeong@samsung.com>
This commit is contained in:
2xsec 2018-08-06 11:23:41 +09:00
parent 3b6fd3271e
commit 8273ba47c1
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GPG Key ID: 0BE2750EE612F372
2 changed files with 73 additions and 74 deletions
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103
src/lxc/log.c
View File

@ -167,7 +167,7 @@ static int log_append_stderr(const struct lxc_log_appender *appender,
}
/*---------------------------------------------------------------------------*/
int lxc_unix_epoch_to_utc(char *buf, size_t bufsize, const struct timespec *time)
static int lxc_unix_epoch_to_utc(char *buf, size_t bufsize, const struct timespec *time)
{
int64_t epoch_to_days, z, era, doe, yoe, year, doy, mp, day, month,
d_in_s, hours, h_in_s, minutes, seconds;
@ -324,7 +324,6 @@ static int log_append_logfile(const struct lxc_log_appender *appender,
event->category,
event->locinfo->file, event->locinfo->func,
event->locinfo->line);
if (n < 0)
return n;
@ -493,23 +492,6 @@ static char *build_log_path(const char *name, const char *lxcpath)
return p;
}
void lxc_log_close(void)
{
closelog();
free(log_vmname);
log_vmname = NULL;
if (lxc_log_fd == -1)
return;
close(lxc_log_fd);
lxc_log_fd = -1;
free(log_fname);
log_fname = NULL;
}
/*
* This can be called:
* 1. when a program calls lxc_log_init with no logfile parameter (in which
@ -567,39 +549,6 @@ static int _lxc_log_set_file(const char *name, const char *lxcpath, int create_d
return ret;
}
int lxc_log_syslog(int facility)
{
struct lxc_log_appender *appender;
openlog(log_prefix, LOG_PID, facility);
if (!lxc_log_category_lxc.appender) {
lxc_log_category_lxc.appender = &log_appender_syslog;
return 0;
}
appender = lxc_log_category_lxc.appender;
/* Check if syslog was already added, to avoid creating a loop */
while (appender) {
if (appender == &log_appender_syslog) {
/* not an error: openlog re-opened the connection */
return 0;
}
appender = appender->next;
}
appender = lxc_log_category_lxc.appender;
while (appender->next != NULL)
appender = appender->next;
appender->next = &log_appender_syslog;
return 0;
}
inline void lxc_log_enable_syslog(void)
{
syslog_enable = 1;
}
/*
* lxc_log_init:
* Called from lxc front-end programs (like lxc-create, lxc-start) to
@ -675,6 +624,56 @@ int lxc_log_init(struct lxc_log *log)
return ret;
}
void lxc_log_close(void)
{
closelog();
free(log_vmname);
log_vmname = NULL;
if (lxc_log_fd == -1)
return;
close(lxc_log_fd);
lxc_log_fd = -1;
free(log_fname);
log_fname = NULL;
}
int lxc_log_syslog(int facility)
{
struct lxc_log_appender *appender;
openlog(log_prefix, LOG_PID, facility);
if (!lxc_log_category_lxc.appender) {
lxc_log_category_lxc.appender = &log_appender_syslog;
return 0;
}
appender = lxc_log_category_lxc.appender;
/* Check if syslog was already added, to avoid creating a loop */
while (appender) {
if (appender == &log_appender_syslog) {
/* not an error: openlog re-opened the connection */
return 0;
}
appender = appender->next;
}
appender = lxc_log_category_lxc.appender;
while (appender->next != NULL)
appender = appender->next;
appender->next = &log_appender_syslog;
return 0;
}
inline void lxc_log_enable_syslog(void)
{
syslog_enable = 1;
}
/*
* This is called when we read a lxc.log.level entry in a lxc.conf file. This
* happens after processing command line arguments, which override the .conf

6
src/lxc/log.h
View File

@ -431,14 +431,14 @@ ATTR_UNUSED static inline void LXC_##LEVEL(struct lxc_log_locinfo* locinfo, \
extern int lxc_log_fd;
extern int lxc_log_set_file(int *fd, const char *fname);
extern int lxc_log_syslog(int facility);
extern void lxc_log_enable_syslog(void);
extern int lxc_log_set_level(int *dest, int level);
extern void lxc_log_set_prefix(const char *prefix);
extern const char *lxc_log_get_file(void);
extern int lxc_log_get_level(void);
extern bool lxc_log_has_valid_level(void);
extern int lxc_log_set_file(int *fd, const char *fname);
extern const char *lxc_log_get_file(void);
extern void lxc_log_set_prefix(const char *prefix);
extern const char *lxc_log_get_prefix(void);
extern void lxc_log_options_no_override();
#endif