+/*
+NNCP -- Node to Node copy, utilities for store-and-forward data exchange
+Copyright (C) 2016-2018 Sergey Matveev <stargrave@stargrave.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package nncp
+
+import (
+ "log"
+ "strings"
+)
+
+// Helper function for parsing -via command line option
+func ViaOverride(argValue string, ctx *Ctx, node *Node) {
+ if argValue == "" {
+ return
+ }
+ if argValue == "-" {
+ node.Via = make([]*NodeId, 0)
+ return
+ }
+ vias := make([]*NodeId, 0, strings.Count(argValue, ",")+1)
+ for _, via := range strings.Split(argValue, ",") {
+ foundNodeId, err := ctx.FindNode(via)
+ if err != nil {
+ log.Fatalln("Invalid Via node specified:", err)
+ }
+ vias = append(vias, foundNodeId.Id)
+ }
+ node.Via = vias
+}