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log: remove escape sequences from log output if not in a tty

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This commit is contained in:
Steffen Vogel 2018-08-20 12:13:53 +02:00
parent 5d77613152
commit 6119bdf903
2 changed files with 17 additions and 6 deletions
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2
include/villas/log.h
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@ -28,6 +28,7 @@ extern "C" {
#endif
#include <stdarg.h>
#include <stdbool.h>
#include <time.h>
#include <sys/ioctl.h>
@ -97,6 +98,7 @@ struct log {
const char *path; /**< Path of the log file. */
char *prefix; /**< Prefix each line with this string. */
int syslog; /**< Whether or not to log to syslogd. */
bool tty; /**< Is the log file a tty? */
FILE *file; /**< Send all log output to this file / stdout / stderr. */
};

21
lib/log.c
View file

@ -28,6 +28,7 @@
#include <unistd.h>
#include <syslog.h>
#include <signal.h>
#include <threads.h>
#include <villas/config.h>
#include <villas/log.h>
@ -170,12 +171,14 @@ int log_open(struct log *l)
else
l->file = stderr;
l->state = STATE_OPENED;
l->tty = isatty(fileno(l->file));
if (l->syslog) {
openlog(NULL, LOG_PID, LOG_DAEMON);
}
l->state = STATE_OPENED;
debug(LOG_LOG | 5, "Log sub-system started: level=%d, faciltities=%#lx, path=%s", l->level, l->facilities, l->path);
return 0;
@ -272,7 +275,7 @@ void log_print(struct log *l, const char *lvl, const char *fmt, ...)
void log_vprint(struct log *l, const char *lvl, const char *fmt, va_list ap)
{
struct timespec ts = time_now();
char *buf = alloc(512);
thread_local char buf[1024];
/* Optional prefix */
if (l->prefix)
@ -288,11 +291,17 @@ void log_vprint(struct log *l, const char *lvl, const char *fmt, va_list ap)
#ifdef ENABLE_OPAL_ASYNC
OpalPrint("VILLASnode: %s\n", buf);
#endif
if (l->file)
if (l->file) {
if (l->tty == false)
decolor(buf);
fprintf(l->file, "%s\n", buf);
}
if (l->syslog) {
if (l->tty == true) // Only decolor if not done before
decolor(buf);
if (l->syslog)
vsyslog(LOG_INFO, fmt, ap);
free(buf);
}
}