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authorDenis Vlasenko2006-09-06 18:36:50 +0000
committerDenis Vlasenko2006-09-06 18:36:50 +0000
commit3538b9a8822421b7c8596a33a917dcf2f99c92b7 (patch)
tree768c23fe79bb81583de7376a4d744632d888d303 /networking/udhcp/common.c
parent5d725462d44268f9a86030daaa6f6396d32f796c (diff)
downloadbusybox-3538b9a8822421b7c8596a33a917dcf2f99c92b7.zip
busybox-3538b9a8822421b7c8596a33a917dcf2f99c92b7.tar.gz
Implement optional syslog logging using ordinary
bb_xx_msg calls, and convert networking/* to it. The rest of bbox will be converted gradually.
Diffstat (limited to 'networking/udhcp/common.c')
-rw-r--r--networking/udhcp/common.c71
1 files changed, 14 insertions, 57 deletions
diff --git a/networking/udhcp/common.c b/networking/udhcp/common.c
index c2025e5..1ae65f7 100644
--- a/networking/udhcp/common.c
+++ b/networking/udhcp/common.c
@@ -19,6 +19,7 @@
#include <paths.h>
#include <sys/socket.h>
#include <stdarg.h>
+#include <syslog.h>
#include "common.h"
#include "pidfile.h"
@@ -33,7 +34,6 @@ long uptime(void)
return info.uptime;
}
-
/*
* This function makes sure our first socket calls
* aren't going to fd 1 (printf badness...) and are
@@ -41,77 +41,32 @@ long uptime(void)
*/
static inline void sanitize_fds(void)
{
- int zero;
- if ((zero = open(bb_dev_null, O_RDWR, 0)) < 0)
+ int fd = open(bb_dev_null, O_RDWR, 0);
+ if (fd < 0)
return;
- while (zero < 3)
- zero = dup(zero);
- close(zero);
+ while (fd < 3)
+ fd = dup(fd);
+ close(fd);
}
void udhcp_background(const char *pidfile)
{
#ifdef __uClinux__
- LOG(LOG_ERR, "Cannot background in uclinux (yet)");
+ bb_error_msg("Cannot background in uclinux (yet)");
#else /* __uClinux__ */
int pid_fd;
/* hold lock during fork. */
pid_fd = pidfile_acquire(pidfile);
+ setsid();
xdaemon(0, 0);
daemonized++;
+ logmode &= ~LOGMODE_STDIO;
pidfile_write_release(pid_fd);
#endif /* __uClinux__ */
}
-
-#ifdef CONFIG_FEATURE_UDHCP_SYSLOG
-
-void udhcp_logging(int level, const char *fmt, ...)
-{
- va_list p;
- va_list p2;
-
- va_start(p, fmt);
- __va_copy(p2, p);
- if (!daemonized) {
- vprintf(fmt, p);
- putchar('\n');
- }
- vsyslog(level, fmt, p2);
- va_end(p);
-}
-
-#else
-
-
-static char *syslog_level_msg[] = {
- [LOG_EMERG] = "EMERGENCY!",
- [LOG_ALERT] = "ALERT!",
- [LOG_CRIT] = "critical!",
- [LOG_WARNING] = "warning",
- [LOG_ERR] = "error",
- [LOG_INFO] = "info",
- [LOG_DEBUG] = "debug"
-};
-
-
-void udhcp_logging(int level, const char *fmt, ...)
-{
- va_list p;
-
- va_start(p, fmt);
- if (!daemonized) {
- printf("%s, ", syslog_level_msg[level]);
- vprintf(fmt, p);
- putchar('\n');
- }
- va_end(p);
-}
-#endif
-
-
void udhcp_start_log_and_pid(const char *client_server, const char *pidfile)
{
int pid_fd;
@@ -126,8 +81,10 @@ void udhcp_start_log_and_pid(const char *client_server, const char *pidfile)
/* equivelent of doing a fflush after every \n */
setlinebuf(stdout);
- if (ENABLE_FEATURE_UDHCP_SYSLOG)
- openlog(client_server, LOG_PID | LOG_CONS, LOG_LOCAL0);
+ if (ENABLE_FEATURE_UDHCP_SYSLOG) {
+ openlog(client_server, LOG_PID, LOG_LOCAL0);
+ logmode |= LOGMODE_SYSLOG;
+ }
- udhcp_logging(LOG_INFO, "%s (v%s) started", client_server, BB_VER);
+ bb_info_msg("%s (v%s) started", client_server, BB_VER);
}