#
#    Copyright 2006 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 dtlsr
net::num_nodes 5

dtn::config --router_type dtlsr --no_null_link

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
    }
}

testlog "Configuring $cl interfaces / links"
dtn::config_interface $cl
dtn::config_mesh_topology ONDEMAND $cl false

test::script {
    testlog "Running dtnds"
    dtn::run_dtnd *

    testlog "Waiting for dtnds to start up"
    dtn::wait_for_dtnd *

    testlog "Adding registrations"
    foreach node [net::nodelist] {
        dtn::tell_dtnd $node tcl_registration dtn://host-$node/test
    }

    testlog "Opening links in a tree"
    tell_dtnd 0 link open $cl-link:0-1
    tell_dtnd 0 link open $cl-link:0-3
    tell_dtnd 1 link open $cl-link:1-2
    tell_dtnd 3 link open $cl-link:3-4

    testlog "Waiting for routes to settle"
    dtn::wait_for_stats_on_all_links * {0 bundles_inflight 0 bundles_queued}
    
    dtn::wait_for_route 0 dtn://host-1/* $cl-link:0-1 {}
    dtn::wait_for_route 0 dtn://host-2/* $cl-link:0-1 {}
    dtn::wait_for_route 0 dtn://host-3/* $cl-link:0-3 {}
    dtn::wait_for_route 0 dtn://host-4/* $cl-link:0-3 {}

    dtn::wait_for_route 1 dtn://host-0/* $cl-link:1-0 {}
    dtn::wait_for_route 1 dtn://host-2/* $cl-link:1-2 {}
    dtn::wait_for_route 1 dtn://host-3/* $cl-link:1-0 {}
    dtn::wait_for_route 1 dtn://host-4/* $cl-link:1-0 {}
    
    dtn::wait_for_route 2 dtn://host-0/* $cl-link:2-1 {}
    dtn::wait_for_route 2 dtn://host-1/* $cl-link:2-1 {}
    dtn::wait_for_route 2 dtn://host-3/* $cl-link:2-1 {}
    dtn::wait_for_route 2 dtn://host-4/* $cl-link:2-1 {}
    
    dtn::wait_for_route 3 dtn://host-0/* $cl-link:3-0 {}
    dtn::wait_for_route 3 dtn://host-1/* $cl-link:3-0 {}
    dtn::wait_for_route 3 dtn://host-2/* $cl-link:3-0 {}
    dtn::wait_for_route 3 dtn://host-4/* $cl-link:3-4 {}

    dtn::wait_for_route 4 dtn://host-0/* $cl-link:4-3 {}
    dtn::wait_for_route 4 dtn://host-1/* $cl-link:4-3 {}
    dtn::wait_for_route 4 dtn://host-2/* $cl-link:4-3 {}
    dtn::wait_for_route 4 dtn://host-3/* $cl-link:4-3 {}

    testlog "Sanity checking stats"
    dtn::check_bundle_stats 0 {5 pending 0 expired 0 duplicate}
    dtn::check_bundle_stats 1 {5 pending 0 expired 0 duplicate}
    dtn::check_bundle_stats 2 {5 pending 0 expired 0 duplicate}
    dtn::check_bundle_stats 3 {5 pending 0 expired 0 duplicate}
    dtn::check_bundle_stats 4 {5 pending 0 expired 0 duplicate}

    testlog "Closing links, making sure routes stay"
    tell_dtnd 0 link close $cl-link:0-1
    tell_dtnd 0 link close $cl-link:0-3
    tell_dtnd 1 link close $cl-link:1-2
    tell_dtnd 3 link close $cl-link:3-4

    after 5000

    dtn::wait_for_stats_on_all_links * {0 bundles_inflight}
    
    dtn::wait_for_route 0 dtn://host-1/* $cl-link:0-1 {}
    dtn::wait_for_route 0 dtn://host-2/* $cl-link:0-1 {}
    dtn::wait_for_route 0 dtn://host-3/* $cl-link:0-3 {}
    dtn::wait_for_route 0 dtn://host-4/* $cl-link:0-3 {}

    dtn::wait_for_route 1 dtn://host-0/* $cl-link:1-0 {}
    dtn::wait_for_route 1 dtn://host-2/* $cl-link:1-2 {}
    dtn::wait_for_route 1 dtn://host-3/* $cl-link:1-0 {}
    dtn::wait_for_route 1 dtn://host-4/* $cl-link:1-0 {}
    
    dtn::wait_for_route 2 dtn://host-0/* $cl-link:2-1 {}
    dtn::wait_for_route 2 dtn://host-1/* $cl-link:2-1 {}
    dtn::wait_for_route 2 dtn://host-3/* $cl-link:2-1 {}
    dtn::wait_for_route 2 dtn://host-4/* $cl-link:2-1 {}
    
    dtn::wait_for_route 3 dtn://host-0/* $cl-link:3-0 {}
    dtn::wait_for_route 3 dtn://host-1/* $cl-link:3-0 {}
    dtn::wait_for_route 3 dtn://host-2/* $cl-link:3-0 {}
    dtn::wait_for_route 3 dtn://host-4/* $cl-link:3-4 {}

    dtn::wait_for_route 4 dtn://host-0/* $cl-link:4-3 {}
    dtn::wait_for_route 4 dtn://host-1/* $cl-link:4-3 {}
    dtn::wait_for_route 4 dtn://host-2/* $cl-link:4-3 {}
    dtn::wait_for_route 4 dtn://host-3/* $cl-link:4-3 {}

    testlog "Opening in a different overlay tree, checking that routes switch"
    tell_dtnd 0 link open $cl-link:0-2
    tell_dtnd 1 link open $cl-link:1-3
    tell_dtnd 2 link open $cl-link:2-3
    tell_dtnd 3 link open $cl-link:3-4

    dtn::wait_for_stats_on_all_links * {0 bundles_inflight 0 bundles_queued}
    
    dtn::wait_for_route 0 dtn://host-1/* $cl-link:0-2 {}
    dtn::wait_for_route 0 dtn://host-2/* $cl-link:0-2 {}
    dtn::wait_for_route 0 dtn://host-3/* $cl-link:0-2 {}
    dtn::wait_for_route 0 dtn://host-4/* $cl-link:0-2 {}

    dtn::wait_for_route 1 dtn://host-0/* $cl-link:1-3 {}
    dtn::wait_for_route 1 dtn://host-2/* $cl-link:1-3 {}
    dtn::wait_for_route 1 dtn://host-3/* $cl-link:1-3 {}
    dtn::wait_for_route 1 dtn://host-4/* $cl-link:1-3 {}
    
    dtn::wait_for_route 2 dtn://host-0/* $cl-link:2-0 {}
    dtn::wait_for_route 2 dtn://host-1/* $cl-link:2-3 {}
    dtn::wait_for_route 2 dtn://host-3/* $cl-link:2-3 {}
    dtn::wait_for_route 2 dtn://host-4/* $cl-link:2-3 {}
    
    dtn::wait_for_route 3 dtn://host-0/* $cl-link:3-2 {}
    dtn::wait_for_route 3 dtn://host-1/* $cl-link:3-1 {}
    dtn::wait_for_route 3 dtn://host-2/* $cl-link:3-2 {}
    dtn::wait_for_route 3 dtn://host-4/* $cl-link:3-4 {}

    dtn::wait_for_route 4 dtn://host-0/* $cl-link:4-3 {}
    dtn::wait_for_route 4 dtn://host-1/* $cl-link:4-3 {}
    dtn::wait_for_route 4 dtn://host-2/* $cl-link:4-3 {}
    dtn::wait_for_route 4 dtn://host-3/* $cl-link:4-3 {}
    
    testlog "Adding a non-subsumed registration on node 0"
    tell_dtnd 0 tcl_registration foo:bar
    dtn::wait_for_stats_on_all_links * {0 bundles_inflight 0 bundles_queued}

    testlog "Checking that routes include non-subsumed registration"
    dtn::wait_for_route 1 foo:bar        $cl-link:1-3 {}
    dtn::wait_for_route 2 foo:bar        $cl-link:2-0 {}
    dtn::wait_for_route 3 foo:bar        $cl-link:3-2 {}
    dtn::wait_for_route 4 foo:bar        $cl-link:4-3 {}

    testlog "Test success!"
}

test::exit_script {
    testlog "Stopping all dtnds"
    dtn::stop_dtnd *
}