When multiple supernodes are specified, the edge registers to all of them

edge.c

@@ -175,7 +175,7 @@ static void help() {
 /* *************************************************** */
 
 static int setOption(int optkey, char *optargument, edge_conf_t *ec, n2n_edge_t *eee) {
-  //traceEvent(TRACE_NORMAL, "Option %c = %s", optkey, optargument ? optargument : "");
+  /* traceEvent(TRACE_NORMAL, "Option %c = %s", optkey, optargument ? optargument : ""); */
 
   switch(optkey) {
   case'K':
@@ -272,10 +272,10 @@ static int setOption(int optkey, char *optargument, edge_conf_t *ec, n2n_edge_t
     {
       if(eee->sn_num < N2N_EDGE_NUM_SUPERNODES) {
         strncpy((eee->sn_ip_array[eee->sn_num]), optargument, N2N_EDGE_SN_HOST_SIZE);
-        traceEvent(TRACE_DEBUG, "Adding supernode[%u] = %s\n", (unsigned int)eee->sn_num, (eee->sn_ip_array[eee->sn_num]));
+        traceEvent(TRACE_NORMAL, "Adding supernode[%u] = %s\n", (unsigned int)eee->sn_num, (eee->sn_ip_array[eee->sn_num]));
         ++eee->sn_num;
       } else {
-        fprintf(stderr, "Too many supernodes!\n");
+        traceEvent(TRACE_WARNING, "Too many supernodes!\n");
         exit(1);
       }
       break;

edge_utils.c

@@ -574,6 +574,8 @@ static void send_register_ack(n2n_edge_t * eee,
  *  This is frequently called by the main loop.
  */
 void update_supernode_reg(n2n_edge_t * eee, time_t nowTime) {
+  u_int sn_idx;
+  
   if(eee->sn_wait && (nowTime > (eee->last_register_req + (eee->register_lifetime/10)))) {
     /* fall through */
     traceEvent(TRACE_DEBUG, "update_supernode_reg: doing fast retry.");
@@ -597,13 +599,16 @@ void update_supernode_reg(n2n_edge_t * eee, time_t nowTime) {
   else
     --(eee->sup_attempts);
 
-  if(eee->re_resolve_supernode_ip || (eee->sn_num > 1))
-    supernode2addr(&(eee->supernode), eee->sn_ip_array[eee->sn_idx]);
+  for(sn_idx=0; sn_idx<eee->sn_num; sn_idx++) {
+    supernode2addr(&(eee->supernode), eee->sn_ip_array[sn_idx]);
+    
+    traceEvent(TRACE_NORMAL, "Registering with supernode [id: %u/%u][%s][attempts left %u]",
+	       sn_idx+1, eee->sn_num,
+	       supernode_ip(eee), (unsigned int)eee->sup_attempts);
     
-  traceEvent(TRACE_DEBUG, "Registering with supernode (%s) (attempts left %u)",
-	     supernode_ip(eee), (unsigned int)eee->sup_attempts);
+    send_register_super(eee, &(eee->supernode));
+  }
   
-  send_register_super(eee, &(eee->supernode));
   register_with_local_peers(eee);
   
   eee->sn_wait=1;