Remove down-timeout and use timeout for send-timeout

src/main.c

@@ -242,6 +242,8 @@ int main (int argc, char **argv)
 
     gt.timeout = 5000;
 
+    long time_tolerance = 0;
+
     struct option opts[] = {
         { "host",           &host,           option_str    },
         { "port",           &port,           option_str    },
@@ -252,6 +254,7 @@ int main (int argc, char **argv)
         { "multiqueue",     NULL,            option_option },
         { "statefile",      &statefile,      option_str    },
         { "timeout",        &gt.timeout,     option_long   },
+        { "time-tolerance", &time_tolerance, option_long   },
         { "version",        NULL,            option_option },
         { NULL },
     };
@@ -279,11 +282,6 @@ int main (int argc, char **argv)
         return 1;
     }
 
-    if (!crypto_aead_aes256gcm_is_available()) {
-        gt_na("AES-256-GCM");
-        return 1;
-    }
-
     if (state_init(statefile))
         return 1;
 
@@ -310,6 +308,11 @@ int main (int argc, char **argv)
 
     mud_set_key(mud, gt.key, sizeof(gt.key));
 
+    mud_set_send_timeout_msec(mud, gt.timeout);
+
+    if (time_tolerance > 0)
+        mud_set_time_tolerance_sec(mud, time_tolerance);
+
     if (bind_list) {
         char tmp[1024];
         char *name = &tmp[0];
@@ -367,13 +370,15 @@ int main (int argc, char **argv)
 
         if (mud_is_up(mud)) {
             if (!started) {
-                state("STARTED", NULL);
+                state("STARTED", tun_name);
                 started = 1;
             }
-        } else if (started) {
+        } else {
-            state("STOPPED", NULL);
+            if (started) {
+                state("STOPPED", tun_name);
                 started = 0;
             }
+        }
 
         if (FD_ISSET(tun_fd, &rfds)) {
             while (1) {