X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fodhcpd.git;a=blobdiff_plain;f=src%2Fodhcpd.c;h=e83a7007c36b3701f4e2ce272c4b44710d7dcec4;hp=0c9542c98c279a4d292d84083c58f20827d0044e;hb=0b45fce0859e4726e27f408016ef2f7d210c847f;hpb=e60710d1fe0c5bf19b9acf9b116e0645e8e114d1

diff --git a/src/odhcpd.c b/src/odhcpd.c
index 0c9542c..e83a700 100644
--- a/src/odhcpd.c
+++ b/src/odhcpd.c
@@ -54,11 +54,33 @@ static void sighandler(_unused int signal)
 	uloop_end();
 }
 
+static void print_usage(const char *app)
+{
+	printf(
+	"== %s Usage ==\n\n"
+        "  -h, --help   Print this help\n"
+        "  -l level     Specify log level 0..7 (default %d)\n",
+		app, LOG_WARNING
+	);
+}
 
-int main()
+int main(int argc, char **argv)
 {
 	openlog("odhcpd", LOG_PERROR | LOG_PID, LOG_DAEMON);
-	setlogmask(LOG_UPTO(LOG_WARNING));
+	int opt;
+	int log_level = LOG_WARNING;
+	while ((opt = getopt(argc, argv, "hl:")) != -1) {
+		switch (opt) {
+		case 'h':
+			print_usage(argv[0]);
+			return 0;
+		case 'l':
+			log_level = atoi(optarg);
+			fprintf(stderr, "Log level set to %d\n", log_level);
+			break;
+		}
+	}
+	setlogmask(LOG_UPTO(log_level));
 	uloop_init();
 
 	if (getuid() != 0) {
@@ -374,7 +396,6 @@ static void odhcpd_receive_packets(struct uloop_fd *u, _unused unsigned int even
 		u->error = false;
 		if (e->handle_error)
 			e->handle_error(ret);
-		return;
 	}
 
 	while (true) {
@@ -444,7 +465,6 @@ static void odhcpd_receive_packets(struct uloop_fd *u, _unused unsigned int even
 		else if (addr.in.sin_family == AF_INET)
 			inet_ntop(AF_INET, &addr.in.sin_addr, ipbuf, sizeof(ipbuf));
 
-		syslog(LOG_DEBUG, "--");
 		syslog(LOG_DEBUG, "Received %li Bytes from %s%%%s", (long)len,
 				ipbuf, (iface) ? iface->ifname : "netlink");