--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/inflight-interrupt.tcl	Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,119 @@
+#
+#    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 inflight-interrupt
+net::num_nodes 2
+
+set cl tcp
+
+foreach {var val} $opt(opts) {
+    if {$var == "-cl" || $var == "cl"} {
+	set cl $val
+    } else {
+	testlog error "ERROR: unrecognized test option '$var'"
+	exit 1
+    }
+}
+
+dtn::config
+dtn::config_interface $cl
+
+# disable fragmentation
+# XXX/demmer this only works for stream cl's
+conf::add dtnd * "param set reactive_frag_enabled false"
+conf::add dtnd * "link set_cl_defaults $cl reactive_frag_enabled=false"
+
+dtn::config_linear_topology ALWAYSON $cl true \
+	"test_write_delay=1000 sendbuf_len=1024"
+
+test::script {
+    testlog "Running dtnds"
+    dtn::run_dtnd *
+
+    testlog "Waiting for dtnds to start up"
+    dtn::wait_for_dtnd *
+
+    testlog "Waiting for link to open"
+    dtn::wait_for_link_state 0 $cl-link:0-1 OPEN
+
+    set source dtn://host-0/test
+    set dest   dtn://host-1/test
+    
+    dtn::tell_dtnd 1 tcl_registration $dest
+    
+    testlog "Sending bundle"
+    dtn::tell_dtnd 0 sendbundle $source $dest length=5000
+    
+    testlog "Waiting for bundle to be in flight"
+    dtn::wait_for_link_stats 0 $cl-link:0-1 {1 bundles_inflight}
+
+    testlog "Closing the link"
+    tell_dtnd 0 link close $cl-link:0-1
+    dtn::wait_for_link_state 0 $cl-link:0-1 UNAVAILABLE
+    
+    testlog "Checking that bundle is still queued on the link"
+    dtn::check_bundle_stats 0 {1 pending}
+    dtn::check_bundle_stats 1 {0 received}
+    dtn::check_link_stats 0 $cl-link:0-1 {1 bundles_queued 0 bundles_inflight}
+
+    testlog "Reopening the link"
+    tell_dtnd 0 link open $cl-link:0-1
+
+    testlog "Waiting for it to be transmitted"
+    dtn::wait_for_bundle_stats 0 {0 pending}
+    dtn::wait_for_bundle_stats 1 {0 pending 1 received 1 delivered}
+    
+    testlog "Checking the link stats"
+    dtn::check_link_stats 0 $cl-link:0-1 {0 bundles_queued 0 bundles_inflight 1 bundles_transmitted}
+    dtn::check_link_stats 0 $cl-link:0-1 {0 bytes_queued 0 bytes_inflight}
+    
+    testlog "Repeating the test with two bundles in flight"
+    tell_dtnd 0 bundle reset_stats
+    tell_dtnd 1 bundle reset_stats
+    
+    dtn::tell_dtnd 0 sendbundle $source $dest length=5000
+    dtn::tell_dtnd 0 sendbundle $source $dest length=5000
+    
+    testlog "Waiting for first bundle to be in flight"
+    dtn::wait_for_link_stats 0 $cl-link:0-1 {1 bundles_queued 1 bundles_inflight}
+
+    testlog "Closing the link"
+    tell_dtnd 0 link close $cl-link:0-1
+    dtn::wait_for_link_state 0 $cl-link:0-1 UNAVAILABLE
+    
+    testlog "Checking that bundles are still queued on the link"
+    dtn::check_bundle_stats 0 {2 pending}
+    dtn::check_bundle_stats 1 {0 received}
+    dtn::check_link_stats 0 $cl-link:0-1 {2 bundles_queued}
+
+    testlog "Reopening the link"
+    tell_dtnd 0 link open $cl-link:0-1
+
+    testlog "Waiting for them to be transmitted"
+    dtn::wait_for_bundle_stats 0 {0 pending}
+    dtn::wait_for_bundle_stats 1 {0 pending 2 received 2 delivered}
+    
+    testlog "Checking the link stats"
+    dtn::check_link_stats 0 $cl-link:0-1 {0 bundles_queued 0 bundles_inflight 2 bundles_transmitted}
+    dtn::check_link_stats 0 $cl-link:0-1 {0 bytes_queued 0 bytes_inflight}
+
+    testlog "Test success!"
+}
+
+test::exit_script {
+    testlog "Stopping all dtnds"
+    dtn::stop_dtnd *
+}