use syslog() for informative messages from all parts of kore.

includes/kore.h

@@ -138,6 +138,7 @@ extern char	*kore_pidfile;
 extern u_int8_t	worker_count;
 extern pid_t	mypid;
 
+void		kore_log_init(void);
 void		*kore_malloc(size_t);
 void		*kore_calloc(size_t, size_t);
 void		*kore_realloc(void *, size_t);
@@ -145,6 +146,7 @@ time_t		kore_date_to_time(char *);
 char		*kore_time_to_date(time_t);
 char		*kore_strdup(const char *);
 void		kore_parse_config(const char *);
+void		kore_log(int, const char *, ...);
 void		kore_strlcpy(char *, const char *, size_t);
 void		kore_server_disconnect(struct connection *);
 int		kore_split_string(char *, char *, char **, size_t);

src/kore.c

@@ -37,6 +37,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sched.h>
+#include <syslog.h>
 #include <unistd.h>
 #include <time.h>
 #include <regex.h>
@@ -90,6 +91,7 @@ main(int argc, char *argv[])
 {
 	struct kore_worker	*kw, *next;
 
+	kore_log_init();
 	mypid = getpid();
 
 	if (argc != 2)
@@ -127,7 +129,9 @@ main(int argc, char *argv[])
 	if (chdir("/") == -1)
 		fatal("cannot chdir(): %s", errno_s);
 
+	kore_log(LOG_NOTICE, "kore is starting up");
 	kore_worker_init();
+
 	if (prctl(PR_SET_NAME, "kore [main]"))
 		kore_debug("cannot set process title");
 
@@ -160,11 +164,11 @@ main(int argc, char *argv[])
 			kore_debug("kill(%d, SIGINT): %s", kw->pid, errno_s);
 	}
 
-	kore_debug("waiting for workers to drain and finish");
+	kore_log(LOG_NOTICE, "waiting for workers to drain and finish");
 	while (!TAILQ_EMPTY(&kore_workers))
 		kore_worker_wait(1);
 
-	kore_debug("server shutting down");
+	kore_log(LOG_NOTICE, "server shutting down");
 	unlink(kore_pidfile);
 	close(server.fd);
 
@@ -576,6 +580,9 @@ kore_worker_entry(struct kore_worker *kw)
 	quit = 0;
 	kore_event(server.fd, EPOLLIN, &server);
 	events = kore_calloc(EPOLL_EVENTS, sizeof(struct epoll_event));
+
+	kore_log(LOG_NOTICE, "worker %d going to work (CPU: %d)",
+	    kw->id, kw->cpu);
 	for (;;) {
 		if (sig_recv != 0) {
 			if (sig_recv == SIGHUP)

src/utils.c

@@ -31,6 +31,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <syslog.h>
 #include <regex.h>
 #include <zlib.h>
 
@@ -115,6 +116,25 @@ kore_debug_internal(char *file, int line, const char *fmt, ...)
 	printf("[%d] %s:%d - %s\n", mypid, file, line, buf);
 }
 
+void
+kore_log_init(void)
+{
+	openlog("kore", LOG_NDELAY | LOG_PID, LOG_DAEMON);
+}
+
+void
+kore_log(int prio, const char *fmt, ...)
+{
+	va_list		args;
+	char		buf[2048];
+
+	va_start(args, fmt);
+	vsnprintf(buf, sizeof(buf), fmt, args);
+	va_end(args);
+
+	syslog(prio, "%s", buf);
+}
+
 void
 kore_strlcpy(char *dst, const char *src, size_t len)
 {
@@ -288,6 +308,6 @@ fatal(const char *fmt, ...)
 	vsnprintf(buf, sizeof(buf), fmt, args);
 	va_end(args);
 
-	printf("error: %s\n", buf);
+	printf("%s\n", buf);
 	exit(1);
 }