int flog_set_file(const char *filename) {
int status = FL_ERR_SUCCESS;
const char me[] = "flog_set_file";
int rc;
char prefix[3][STG_PREFIX_LEN];
char msg[128];
/* lock mutex */
rc = pthread_mutex_lock(&flog_mutex);
if ( rc != 0 ) {
(void) flog_prefix(FLOG_FATAL, FL_ERR_LOG_MUTEX, me, prefix);
(void) sprintf(msg,
"pthread_mutex_lock failed, rc = %d, errno = %d", rc, errno);
(void) flog_print(FLOG_FATAL, prefix, msg);
if ( status == FL_ERR_SUCCESS ) status = FL_ERR_LOG_MUTEX;
}
(void) strncpy(flog_file.name, filename, STG_FILE_PATH_MAX);
flog_file.name[STG_FILE_PATH_MAX] = '\0';
/* unlock mutex */
rc = pthread_mutex_unlock(&flog_mutex);
if ( rc != 0 ) {
(void) flog_prefix(FLOG_FATAL, FL_ERR_LOG_MUTEX, me, prefix);
(void) sprintf(msg,
"pthread_mutex_unlock failed, rc = %d, errno = %d", rc, errno);
(void) flog_print(FLOG_FATAL, prefix, msg);
if ( status == FL_ERR_SUCCESS ) status = FL_ERR_LOG_MUTEX;
}
return(status);
}
int flog_msg(const int16_t severity, const int ec, const char *routine,
const char *message) {
int status = FL_ERR_SUCCESS;
const char me[] = "flog_msg";
int16_t level;
char prefix[3][STG_PREFIX_LEN];
int rc;
char msg[128];
/* limit level to valid range */
if (( severity > FLOG_NOLOG ) || ( severity < FLOG_CL4BUG )) {
level = 0;
} else {
level = severity;
}
if (( abs(level) <= flog_report[0] ) ||
( abs(level) <= flog_report[1] ) ||
( abs(level) <= flog_report[2] )) {
/* get message prefixes */
status = flog_prefix(level, ec, routine, prefix);
/* lock mutex */
rc = pthread_mutex_lock(&flog_mutex);
status = flog_print(level, prefix, message);
if ( rc != 0 ) {
(void) flog_prefix(FLOG_FATAL, FL_ERR_LOG_MUTEX, me, prefix);
(void) snprintf(msg, 127,
"pthread_mutex_lock failed, rc = %d, errno = %d", rc, errno);
msg[127] = '\0';
(void) flog_print(FLOG_FATAL, prefix, msg);
if ( status == FL_ERR_SUCCESS ) status = FL_ERR_LOG_MUTEX;
}
/* unlock mutex */
rc = pthread_mutex_unlock(&flog_mutex);
if ( rc != 0 ) {
(void) flog_prefix(FLOG_FATAL, FL_ERR_LOG_MUTEX, me, prefix);
(void) snprintf(msg, 127,
"pthread_mutex_unlock failed, rc = %d, errno = %d", rc, errno);
msg[127] = '\0';
(void) flog_print(FLOG_FATAL, prefix, msg);
if ( status == FL_ERR_SUCCESS ) status = FL_ERR_LOG_MUTEX;
}
}
return(status);
}
int flog_get_report(int16_t *report_std, int16_t *report_sys,
int16_t *report_file) {
int status = FL_ERR_SUCCESS;
const char me[] = "flog_get_report";
int rc;
char prefix[3][STG_PREFIX_LEN];
char msg[128];
/* lock mutex */
rc = pthread_mutex_lock(&flog_mutex);
if ( rc != 0 ) {
(void) flog_prefix(FLOG_FATAL, FL_ERR_LOG_MUTEX, me, prefix);
(void) sprintf(msg,
"pthread_mutex_lock failed, rc = %d, errno = %d", rc, errno);
(void) flog_print(FLOG_FATAL, prefix, msg);
if ( status == FL_ERR_SUCCESS ) status = FL_ERR_LOG_MUTEX;
}
*report_std = flog_report[0];
*report_sys = flog_report[1];
*report_file = flog_report[2];
/* unlock mutex */
rc = pthread_mutex_unlock(&flog_mutex);
if ( rc != 0 ) {
(void) flog_prefix(FLOG_FATAL, FL_ERR_LOG_MUTEX, me, prefix);
(void) sprintf(msg,
"pthread_mutex_unlock failed, rc = %d, errno = %d", rc, errno);
(void) flog_print(FLOG_FATAL, prefix, msg);
if ( status == FL_ERR_SUCCESS ) status = FL_ERR_LOG_MUTEX;
}
return(status);
}
int flog_set_style(const uint32_t style_std, const uint32_t style_sys,
const uint32_t style_file) {
int status = FL_ERR_SUCCESS;
const char me[] = "flog_set_style";
int rc;
char prefix[3][STG_PREFIX_LEN];
char msg[128];
/* lock mutex */
rc = pthread_mutex_lock(&flog_mutex);
if ( rc != 0 ) {
(void) flog_prefix(FLOG_FATAL, FL_ERR_LOG_MUTEX, me, prefix);
(void) sprintf(msg,
"pthread_mutex_lock failed, rc = %d, errno = %d", rc, errno);
(void) flog_print(FLOG_FATAL, prefix, msg);
if ( status == FL_ERR_SUCCESS ) status = FL_ERR_LOG_MUTEX;
}
flog_style[0] = style_std;
flog_style[1] = style_sys;
flog_style[2] = style_file;
/* unlock mutex */
rc = pthread_mutex_unlock(&flog_mutex);
if ( rc != 0 ) {
(void) flog_prefix(FLOG_FATAL, FL_ERR_LOG_MUTEX, me, prefix);
(void) sprintf(msg,
"pthread_mutex_unlock failed, rc = %d, errno = %d", rc, errno);
(void) flog_print(FLOG_FATAL, prefix, msg);
if ( status == FL_ERR_SUCCESS ) status = FL_ERR_LOG_MUTEX;
}
return(status);
}
//! @param[in,out] *p target log
//! @param[in] *sublog log to add
//! @retval 0 success
int flog_append_sublog(FLOG_T *p,FLOG_T *sublog)
{
if(!p)
return(1);
if(p==sublog) {
flog_print(p->error_log,NULL,FLOG_ERROR,0,"cannot append log to itself (causes circular dependency)");
return(1);
}
FLOG_T **new_sublog;
if((new_sublog=realloc(p->sublog,(p->sublog_amount+1)*sizeof(FLOG_T *)))==NULL)
return(1);
p->sublog=new_sublog;
p->sublog[p->sublog_amount]=sublog;
p->sublog_amount++;
return(0);
}
int flog_set_report(const int16_t report_std, const int16_t report_sys,
const int16_t report_file) {
int status = FL_ERR_SUCCESS;
const char me[] = "flog_set_report";
int rc;
char prefix[3][STG_PREFIX_LEN];
char msg[128];
/* lock mutex */
rc = pthread_mutex_lock(&flog_mutex);
if ( rc != 0 ) {
(void) flog_prefix(FLOG_FATAL, FL_ERR_LOG_MUTEX, me, prefix);
(void) sprintf(msg,
"pthread_mutex_lock failed, rc = %d, errno = %d",
rc, errno);
(void) flog_print(FLOG_FATAL, prefix, msg);
if ( status == FL_ERR_SUCCESS ) status = FL_ERR_LOG_MUTEX;
}
flog_report[0] = report_std;
if (( report_sys > FLOG_QUIET ) &&
( flog_report[1] <= FLOG_QUIET )) {
(void) openlog("stager", LOG_CONS | LOG_NOWAIT, LOG_DAEMON);
}
else if (( report_sys <= FLOG_QUIET ) &&
( flog_report[1] > FLOG_QUIET )) {
(void) closelog();
}
flog_report[1] = report_sys;
if (( report_file > FLOG_QUIET ) &&
( flog_report[2] <= FLOG_QUIET )) {
if ( flog_file.name[0] == '\0' ) {
rc = snprintf(flog_file.name, STG_FILE_PATH_MAX, "stg_%lu.log",
(unsigned long int) time(NULL));
flog_file.name[STG_FILE_PATH_MAX] = '\0';
}
flog_file.fp = fopen(flog_file.name, "a");
if ( flog_file.fp == NULL ) {
(void) flog_prefix(FLOG_ERROR, FL_ERR_LOG_FILE, me, prefix);
(void) sprintf(msg, "fopen failed, rc = %d, errno = %d", rc, errno);
(void) flog_print(FLOG_ERROR, prefix, msg);
if ( status == FL_ERR_SUCCESS ) status = FL_ERR_LOG_FILE;
}
else {
flog_report[2] = report_file;
}
}
else if (( report_file <= FLOG_QUIET ) &&
( flog_report[2] > FLOG_QUIET )) {
rc = fclose(flog_file.fp);
if ( rc != 0 ) {
(void) flog_prefix(FLOG_ERROR, FL_ERR_LOG_FILE, me, prefix);
(void) sprintf(msg, "fclose failed, rc = %d, errno = %d", rc, errno);
(void) flog_print(FLOG_ERROR, prefix, msg);
if ( status == FL_ERR_SUCCESS ) status = FL_ERR_LOG_FILE;
}
flog_file.fp = NULL;
flog_report[2] = FLOG_QUIET;
}
else {
flog_report[2] = report_file;
}
/* unlock mutex */
rc = pthread_mutex_unlock(&flog_mutex);
if ( rc != 0 ) {
(void) flog_prefix(FLOG_FATAL, FL_ERR_LOG_MUTEX, me, prefix);
(void) sprintf(msg,
"pthread_mutex_unlock failed, rc = %d, errno = %d", rc, errno);
(void) flog_print(FLOG_FATAL, prefix, msg);
if ( status == FL_ERR_SUCCESS ) status = FL_ERR_LOG_MUTEX;
}
return(status);
}