added a counter example

examples/counter/run_demo.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+
+# Copyright 2013-present Barefoot Networks, Inc. 
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+THIS_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+
+source $THIS_DIR/../env.sh
+
+CLI_PATH=$BMV2_PATH/targets/simple_switch/sswitch_CLI
+
+echo "resetting counters"
+echo "counter_reset my_indirect_counter" | $CLI_PATH counter.json
+echo "counter_reset my_direct_counter" | $CLI_PATH counter.json
+echo
+echo
+echo
+echo "displaying counters [0]"
+echo "counter_read my_indirect_counter 0" | $CLI_PATH counter.json
+echo "counter_read my_direct_counter 0" | $CLI_PATH counter.json
+echo
+echo
+echo
+echo "sending 1 packet of size 70"
+sudo python send_one.py
+sleep 1
+echo
+echo
+echo
+echo "displaying counters [0]"
+echo "counter_read my_indirect_counter 0" | $CLI_PATH counter.json
+echo "counter_read my_direct_counter 0" | $CLI_PATH counter.json
+echo
+echo
+echo
+echo "sending 3 packets of size 70"
+sudo python send_one.py
+sudo python send_one.py
+sudo python send_one.py
+sleep 1
+echo
+echo
+echo
+echo "displaying counters [0]"
+echo "counter_read my_indirect_counter 0" | $CLI_PATH counter.json
+echo "counter_read my_direct_counter 0" | $CLI_PATH counter.json
+echo
+echo
+echo
+echo "resetting counters"
+echo "counter_reset my_indirect_counter" | $CLI_PATH counter.json
+echo "counter_reset my_direct_counter" | $CLI_PATH counter.json