--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/reroute-from-down-link.tcl	Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,94 @@
+#
+#    Copyright 2007 Intel Corporation
+# 
+#    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.
+#
+
+test::name reroute-from-down-link
+net::num_nodes 2
+
+set testopt(cl)       tcp
+set testopt(downtime) 2
+run::parse_test_opts
+
+set cl $testopt(cl)
+
+dtn::config
+dtn::config_interface $cl
+
+dtn::config_linear_topology ALWAYSON $cl false
+
+test::script {
+    testlog "running dtnds"
+    dtn::run_dtnd *
+
+    testlog "waiting for dtnds to start up"
+    dtn::wait_for_dtnd *
+
+    set source    dtn://host-0/test
+    set dest      dtn://host-1/test
+
+    dtn::tell_dtnd 1 tcl_registration $dest
+
+    testlog "waiting for links to establish"
+    dtn::wait_for_link_state 0 null OPEN
+    dtn::wait_for_link_state 0 $cl-link:0-1 OPEN
+
+    testlog "adding a higher priority route to the null link"
+    dtn::tell_dtnd 0 route add $dest null route_priority=100
+
+    testlog "reconfiguring null link to not send bundles"
+    dtn::tell_dtnd 0 link reconfigure null \
+            can_transmit=false potential_downtime=$testopt(downtime)
+
+    testlog "sending a couple bundles"
+    set timestamp1 [dtn::tell_dtnd 0 sendbundle $source $dest]
+    set timestamp2 [dtn::tell_dtnd 0 sendbundle $source $dest]
+    set timestamp3 [dtn::tell_dtnd 0 sendbundle $source $dest]
+
+    testlog "checking that bundles are queued on null link"
+    dtn::wait_for_bundle_stats 0 {3 pending 0 transmitted}
+    dtn::wait_for_link_stats 0 null {3 bundles_queued 0 bundles_transmitted}
+    dtn::check_link_stats 0 $cl-link:0-1 {0 bundles_queued 0 bundles_transmitted}
+
+    testlog "removing the route from the null link, checking bundles are still queued"
+    dtn::tell_dtnd 0 route del $dest
+    dtn::tell_dtnd 0 route add $dest $cl-link:0-1
+    dtn::check_bundle_stats 0 {3 pending 0 transmitted}
+    dtn::check_link_stats 0 null {3 bundles_queued 0 bundles_transmitted}
+    dtn::check_link_stats 0 $cl-link:0-1 {0 bundles_queued 0 bundles_transmitted}
+
+    testlog "closing null link, checking that bundles are still queued"
+    dtn::tell_dtnd 0 link close null
+    dtn::wait_for_link_state 0 null UNAVAILABLE
+    dtn::wait_for_bundle_stats 0 {3 pending 0 transmitted}
+    dtn::check_link_stats 0 null {3 bundles_queued}
+
+    testlog "waiting for reroute timer to expire"
+    after [expr $testopt(downtime) * 1000]
+
+    testlog "checking that bundles were rerouted and sent"
+    dtn::wait_for_link_stats 0 null         {0 bundles_queued 3 bundles_cancelled}
+    dtn::wait_for_link_stats 0 $cl-link:0-1 {3 bundles_transmitted}
+
+    testlog "checking bundle stats"
+    dtn::wait_for_bundle_stats 0 {0 pending 3 transmitted}
+    dtn::wait_for_bundle_stats 1 {0 pending 3 received 3 delivered}
+
+    # XXX/demmer add a test in which the null link comes back
+}
+
+test::exit_script {
+    testlog "stopping all dtnds"
+    dtn::stop_dtnd *
+}