From 5fc3c0812a5b2e4c97c196929a5142e471c86258 Mon Sep 17 00:00:00 2001
From: Adam Ierymenko <adam.ierymenko@gmail.com>
Date: Fri, 3 Oct 2014 13:02:36 -0700
Subject: [PATCH] run-local-testnet script

---
 testnet/TestEthernetTap.hpp  |  8 +++++
 testnet/run-local-testnet.sh | 58 ++++++++++++++++++++++++++++++++++++
 2 files changed, 66 insertions(+)
 create mode 100755 testnet/run-local-testnet.sh

diff --git a/testnet/TestEthernetTap.hpp b/testnet/TestEthernetTap.hpp
index 93eb4c5bb..8b7a5e879 100644
--- a/testnet/TestEthernetTap.hpp
+++ b/testnet/TestEthernetTap.hpp
@@ -48,6 +48,14 @@ namespace ZeroTier {
 
 class TestEthernetTapFactory;
 
+/**
+ * Dummy Ethernet tap
+ *
+ * This tap device prints the contents of packets it receives on stdout
+ * and also prints outgoing packets when they are injected. It does not
+ * connect to any real tap or other interface. It's useful for running
+ * test networks.
+ */
 class TestEthernetTap : public EthernetTap
 {
 	friend class SharedPtr<TestEthernetTap>;
diff --git a/testnet/run-local-testnet.sh b/testnet/run-local-testnet.sh
new file mode 100755
index 000000000..91132c01c
--- /dev/null
+++ b/testnet/run-local-testnet.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+
+export PATH=/bin:/usr/bin:/usr/local/bin
+
+#if [ ! -x ../zerotier-one ]; then
+#	echo "$0: ../zerotier-one not found; build first"
+#	exit 1
+#fi
+
+if [ $# -lt 1 ]; then
+	echo "Usage: $0 <number of regular nodes to create>"
+	exit 1
+fi
+
+if [ ! -d ./local-testnet ]; then
+	echo "$0: cannot find local-testnet/ base for nodes"
+	exit 1
+fi
+
+cd local-testnet
+supernodes=`echo sn????`
+cd ..
+
+create_nodes=$1
+node_num=0
+
+echo "Starting supernodes: $supernodes"
+echo
+
+for sn in $supernodes; do
+	node_path=local-testnet/$sn
+	node_port=2`echo $sn | cut -d n -f 2`
+
+	echo zerotier-one -T../root-topology/local-testnet/root-topology -p$node_port -u $node_path
+	../zerotier-one -T../root-topology/local-testnet/root-topology -p$node_port -u $node_path
+done
+
+echo
+echo "Starting $create_nodes regular nodes..."
+echo
+
+while [ $node_num -lt $create_nodes ]; do
+	node_path=local-testnet/`printf n%.4d $node_num`
+	node_port=`printf 3%.4d $node_num`
+
+	mkdir -p $node_path
+
+	echo zerotier-one -T../root-topology/local-testnet/root-topology -p$node_port -u $node_path
+	../zerotier-one -T../root-topology/local-testnet/root-topology -p$node_port -u $node_path
+
+	node_num=`expr $node_num + 1`
+done
+
+echo
+echo "Nodes are now running. Waiting for all nodes to exit."
+echo
+
+wait