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1 # |
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2 # Copyright 2007 Intel Corporation |
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3 # |
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4 # Licensed under the Apache License, Version 2.0 (the "License"); |
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5 # you may not use this file except in compliance with the License. |
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6 # You may obtain a copy of the License at |
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7 # |
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8 # http://www.apache.org/licenses/LICENSE-2.0 |
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9 # |
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10 # Unless required by applicable law or agreed to in writing, software |
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11 # distributed under the License is distributed on an "AS IS" BASIS, |
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12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 # See the License for the specific language governing permissions and |
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14 # limitations under the License. |
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15 # |
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16 |
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17 test::name reroute-from-down-link |
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18 net::num_nodes 2 |
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19 |
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20 set testopt(cl) tcp |
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21 set testopt(downtime) 2 |
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22 run::parse_test_opts |
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23 |
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24 set cl $testopt(cl) |
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25 |
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26 dtn::config |
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27 dtn::config_interface $cl |
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28 |
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29 dtn::config_linear_topology ALWAYSON $cl false |
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30 |
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31 test::script { |
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32 testlog "running dtnds" |
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33 dtn::run_dtnd * |
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34 |
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35 testlog "waiting for dtnds to start up" |
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36 dtn::wait_for_dtnd * |
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37 |
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38 set source dtn://host-0/test |
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39 set dest dtn://host-1/test |
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40 |
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41 dtn::tell_dtnd 1 tcl_registration $dest |
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42 |
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43 testlog "waiting for links to establish" |
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44 dtn::wait_for_link_state 0 null OPEN |
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45 dtn::wait_for_link_state 0 $cl-link:0-1 OPEN |
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46 |
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47 testlog "adding a higher priority route to the null link" |
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48 dtn::tell_dtnd 0 route add $dest null route_priority=100 |
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49 |
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50 testlog "reconfiguring null link to not send bundles" |
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51 dtn::tell_dtnd 0 link reconfigure null \ |
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52 can_transmit=false potential_downtime=$testopt(downtime) |
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53 |
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54 testlog "sending a couple bundles" |
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55 set timestamp1 [dtn::tell_dtnd 0 sendbundle $source $dest] |
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56 set timestamp2 [dtn::tell_dtnd 0 sendbundle $source $dest] |
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57 set timestamp3 [dtn::tell_dtnd 0 sendbundle $source $dest] |
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58 |
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59 testlog "checking that bundles are queued on null link" |
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60 dtn::wait_for_bundle_stats 0 {3 pending 0 transmitted} |
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61 dtn::wait_for_link_stats 0 null {3 bundles_queued 0 bundles_transmitted} |
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62 dtn::check_link_stats 0 $cl-link:0-1 {0 bundles_queued 0 bundles_transmitted} |
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63 |
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64 testlog "removing the route from the null link, checking bundles are still queued" |
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65 dtn::tell_dtnd 0 route del $dest |
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66 dtn::tell_dtnd 0 route add $dest $cl-link:0-1 |
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67 dtn::check_bundle_stats 0 {3 pending 0 transmitted} |
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68 dtn::check_link_stats 0 null {3 bundles_queued 0 bundles_transmitted} |
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69 dtn::check_link_stats 0 $cl-link:0-1 {0 bundles_queued 0 bundles_transmitted} |
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70 |
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71 testlog "closing null link, checking that bundles are still queued" |
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72 dtn::tell_dtnd 0 link close null |
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73 dtn::wait_for_link_state 0 null UNAVAILABLE |
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74 dtn::wait_for_bundle_stats 0 {3 pending 0 transmitted} |
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75 dtn::check_link_stats 0 null {3 bundles_queued} |
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76 |
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77 testlog "waiting for reroute timer to expire" |
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78 after [expr $testopt(downtime) * 1000] |
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79 |
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80 testlog "checking that bundles were rerouted and sent" |
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81 dtn::wait_for_link_stats 0 null {0 bundles_queued 3 bundles_cancelled} |
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82 dtn::wait_for_link_stats 0 $cl-link:0-1 {3 bundles_transmitted} |
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83 |
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84 testlog "checking bundle stats" |
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85 dtn::wait_for_bundle_stats 0 {0 pending 3 transmitted} |
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86 dtn::wait_for_bundle_stats 1 {0 pending 3 received 3 delivered} |
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87 |
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88 # XXX/demmer add a test in which the null link comes back |
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89 } |
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90 |
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91 test::exit_script { |
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92 testlog "stopping all dtnds" |
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93 dtn::stop_dtnd * |
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94 } |