adde source_routing exercise

SIGCOMM_2015/source_routing/run_demo.sh

@@ -0,0 +1,31 @@
+#!/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 $THIS_DIR/../env.sh
+
+P4C_BM_SCRIPT=$P4C_BM_PATH/p4c_bm/__main__.py
+
+SWITCH_PATH=$BMV2_PATH/targets/simple_switch/simple_switch
+
+CLI_PATH=$BMV2_PATH/tools/runtime_CLI.py
+
+$P4C_BM_SCRIPT p4src/source_routing.p4 --json source_routing.json
+sudo PYTHONPATH=$PYTHONPATH:$BMV2_PATH/mininet/ python topo.py \
+    --behavioral-exe $BMV2_PATH/targets/simple_switch/simple_switch \
+    --json source_routing.json \
+    --cli $CLI_PATH