Be less verbose by default and add -v flag

diff --git a/src/odhcp6c.c b/src/odhcp6c.c
index 61ffe9d832b25ae4fbae54f7fd450bdbc4214ba5..89dfd369588842fd647288598d0648d6a71e8f0d 100644 (file)
--- a/src/odhcp6c.c
+++ b/src/odhcp6c.c
@@ -66,6 +66,7 @@ int main(_unused int argc, char* const argv[])
        int ia_pd_iaid_index = 0;
        static struct in6_addr ifid = IN6ADDR_ANY_INIT;
        int sol_timeout = DHCPV6_SOL_MAX_RT;
+       int verbosity = 0;
 
 
        bool help = false, daemonize = false;
@@ -73,7 +74,7 @@ int main(_unused int argc, char* const argv[])
        int c;
        unsigned int client_options = DHCPV6_CLIENT_FQDN | DHCPV6_ACCEPT_RECONFIGURE;
 
-       while ((c = getopt(argc, argv, "S::N:V:P:FB:c:i:r:Ru:s:kt:m:hedp:fa")) != -1) {
+       while ((c = getopt(argc, argv, "S::N:V:P:FB:c:i:r:Ru:s:kt:m:hedp:fav")) != -1) {
                switch (c) {
                case 'S':
                        allow_slaac_only = (optarg) ? atoi(optarg) : -1;
@@ -211,6 +212,10 @@ int main(_unused int argc, char* const argv[])
                        client_options &= ~DHCPV6_ACCEPT_RECONFIGURE;
                        break;
 
+               case 'v':
+                       ++verbosity;
+                       break;
+
                default:
                        help = true;
                        break;
@@ -218,6 +223,9 @@ int main(_unused int argc, char* const argv[])
        }
 
        openlog("odhcp6c", logopt, LOG_DAEMON);
+       if (!verbosity)
+               setlogmask(LOG_UPTO(LOG_WARNING));
+
        const char *ifname = argv[optind];
 
        if (help || !ifname)
@@ -437,7 +445,7 @@ static int usage(void)
        "       -p <pidfile>    Set pidfile (/var/run/odhcp6c.pid)\n"
        "       -d              Daemonize\n"
        "       -e              Write logmessages to stderr\n"
-       //"     -v              Increase logging verbosity\n"
+       "       -v              Increase logging verbosity\n"
        "       -h              Show this help\n\n";
        write(STDERR_FILENO, buf, sizeof(buf));
        return 1;