--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/reroute-topology.tcl Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,159 @@
+#
+# 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-topology
+net::num_nodes 4
+
+set testopt(cl) tcp
+run::parse_test_opts
+
+set cl $testopt(cl)
+
+dtn::config
+dtn::config_interface $cl
+
+dtn::config_linear_topology ALWAYSON $cl true
+
+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-3/test
+ dtn::tell_dtnd 3 tcl_registration $dest
+
+ set addr0 $net::internal_host(3):[dtn::get_port $cl 0]
+ set addr1 $net::internal_host(3):[dtn::get_port $cl 1]
+ set addr2 $net::internal_host(3):[dtn::get_port $cl 2]
+ set addr3 $net::internal_host(3):[dtn::get_port $cl 3]
+
+ 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
+ dtn::wait_for_link_state 1 $cl-link:1-0 OPEN
+ dtn::wait_for_link_state 1 $cl-link:1-2 OPEN
+ dtn::wait_for_link_state 2 $cl-link:2-1 OPEN
+ dtn::wait_for_link_state 2 $cl-link:2-3 OPEN
+ dtn::wait_for_link_state 3 $cl-link:3-2 OPEN
+
+ testlog "closing link from 2-3"
+ tell_dtnd 2 link close $cl-link:2-3
+ dtn::wait_for_link_state 2 $cl-link:2-3 UNAVAILABLE
+
+ testlog "adding a second link from 2-3 and a route to it"
+ tell_dtnd 2 link add alt-$cl-link:2-3 $addr3 OPPORTUNISTIC $cl remote_eid=dtn://host-3
+ tell_dtnd 2 route add dtn://host-3/* alt-$cl-link:2-3
+
+ testlog "sending a bundle"
+ set timestamp1 [dtn::tell_dtnd 0 sendbundle $source $dest]
+
+ testlog "checking that it's deferred on both links"
+ dtn::wait_for_bundle_stats 2 {1 pending}
+ dtn::wait_for_link_stats 2 $cl-link:2-3 {1 bundles_deferred}
+ dtn::wait_for_link_stats 2 alt-$cl-link:2-3 {1 bundles_deferred}
+
+ testlog "opening one link, checking that it gets sent"
+ tell_dtnd 2 link open alt-$cl-link:2-3
+ dtn::wait_for_bundle_stats 2 {0 pending}
+ dtn::wait_for_link_stats 2 $cl-link:2-3 {0 bundles_deferred}
+ dtn::wait_for_link_stats 2 alt-$cl-link:2-3 {0 bundles_deferred 1 bundles_transmitted}
+
+ testlog "waiting for delivery"
+ dtn::wait_for_bundle_stats 3 {1 delivered}
+
+ testlog "checking it was deleted everywhere"
+ dtn::check_bundle_stats 0 {0 pending}
+ dtn::check_bundle_stats 1 {0 pending}
+ dtn::check_bundle_stats 2 {0 pending}
+ dtn::check_bundle_stats 3 {0 pending}
+
+ tell_dtnd * bundle reset_stats
+
+ testlog "closing the link again"
+ tell_dtnd 2 link close alt-$cl-link:2-3
+ dtn::wait_for_link_state 2 $cl-link:2-3 UNAVAILABLE
+
+ testlog "sending another bundle"
+ set timestamp2 [dtn::tell_dtnd 0 sendbundle $source $dest expiration=5]
+
+ testlog "checking that it's deferred on both links"
+ dtn::wait_for_bundle_stats 2 {1 pending}
+ dtn::wait_for_link_stats 2 $cl-link:2-3 {1 bundles_deferred}
+ dtn::wait_for_link_stats 2 alt-$cl-link:2-3 {1 bundles_deferred}
+
+ testlog "checking that only one copy exists"
+ dtn::wait_for_bundle_stats 0 {0 pending}
+ dtn::wait_for_bundle_stats 1 {0 pending}
+ dtn::wait_for_bundle_stats 3 {0 pending}
+
+ testlog "waiting for it to expire"
+ dtn::wait_for_bundle_stats 2 {1 expired}
+ dtn::wait_for_bundle_stats 2 {0 pending}
+ dtn::wait_for_link_stats 2 $cl-link:2-3 {0 bundles_deferred}
+ dtn::wait_for_link_stats 2 alt-$cl-link:2-3 {0 bundles_deferred}
+
+ tell_dtnd * bundle reset_stats
+
+ testlog "sending another set of bundles, waiting for them to be deferred on both links"
+ dtn::tell_dtnd 0 sendbundle $source $dest expiration=120
+ dtn::tell_dtnd 0 sendbundle $source $dest expiration=120
+ dtn::tell_dtnd 0 sendbundle $source $dest expiration=120
+ dtn::tell_dtnd 0 sendbundle $source $dest expiration=120
+ dtn::tell_dtnd 0 sendbundle $source $dest expiration=120
+
+ dtn::wait_for_bundle_stats 2 {5 pending}
+ dtn::wait_for_link_stats 2 $cl-link:2-3 {5 bundles_deferred}
+ dtn::wait_for_link_stats 2 alt-$cl-link:2-3 {5 bundles_deferred}
+
+ testlog "adding links between node 1 and node 3"
+ tell_dtnd 1 link add $cl-link:1-3 $addr3 opportunistic tcp remote_eid=dtn://host-3
+ tell_dtnd 3 link add $cl-link:3-1 $addr1 opportunistic tcp remote_eid=dtn://host-1
+ tell_dtnd 1 link open $cl-link:1-3
+ dtn::wait_for_link_state 1 $cl-link:1-3 OPEN
+ dtn::wait_for_link_state 3 $cl-link:3-1 OPEN
+
+ testlog "switching routes on node 1 to node 3 and vice versa"
+ tell_dtnd 1 route del dtn://host-3/*
+ tell_dtnd 1 route add dtn://host-3/* $cl-link:1-3
+
+ tell_dtnd 3 route del dtn://host-1/*
+ tell_dtnd 3 route add dtn://host-1/* $cl-link:3-1
+
+ testlog "switching routes on node 2"
+ tell_dtnd 2 route del dtn://host-3/*
+ tell_dtnd 2 route add dtn://host-3/* $cl-link:2-1
+
+ testlog "checking that bundles were properly sent from node 2"
+ dtn::wait_for_link_stats 2 $cl-link:2-3 {0 bundles_deferred}
+ dtn::wait_for_link_stats 2 alt-$cl-link:2-3 {0 bundles_deferred}
+
+ testlog "checking that bundles were delivered"
+ dtn::wait_for_bundle_stats 3 {5 delivered}
+
+ testlog "making sure no bundles are pending"
+ dtn::wait_for_bundle_stats 0 {0 pending}
+ dtn::wait_for_bundle_stats 1 {0 pending}
+ dtn::wait_for_bundle_stats 2 {0 pending}
+ dtn::wait_for_bundle_stats 3 {0 pending}
+}
+
+test::exit_script {
+ testlog "stopping all dtnds"
+ dtn::stop_dtnd *
+}