1 #

     2 #    Copyright 2006 Intel Corporation

     3 # 

     4 #    Licensed under the Apache License, Version 2.0 (the "License");

     5 #    you may not use this file except in compliance with the License.

     6 #    You may obtain a copy of the License at

     7 # 

     8 #        http://www.apache.org/licenses/LICENSE-2.0

     9 # 

    10 #    Unless required by applicable law or agreed to in writing, software

    11 #    distributed under the License is distributed on an "AS IS" BASIS,

    12 #    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    13 #    See the License for the specific language governing permissions and

    14 #    limitations under the License.

    15 #

    16 

    17 test::name inflight-expiration

    18 net::num_nodes 2

    19 

    20 dtn::config

    21 

    22 testlog "Configuring tcp interfaces / links"

    23 dtn::config_interface tcp

    24 dtn::config_linear_topology ALWAYSON tcp true \

    25 	"test_write_delay=1000 sendbuf_len=1024"

    26 

    27 test::script {

    28     testlog "Running dtnds"

    29     dtn::run_dtnd *

    30 

    31     testlog "Waiting for dtnds to start up"

    32     dtn::wait_for_dtnd *

    33 

    34     testlog "Setting up flamebox-ignore"

    35     dtn::tell_dtnd 1 log /test always \

    36 	    "flamebox-ignore ign1 scheduling IMMEDIATE expiration"

    37 

    38     testlog "Waiting for link to open"

    39     dtn::wait_for_link_state 0 tcp-link:0-1 OPEN

    40 

    41     set source dtn://host-0/test

    42     set dest   dtn://host-1/test

    43     

    44     dtn::tell_dtnd 1 tcl_registration $dest

    45     

    46     testlog "Sending bundle"

    47     set timestamp [dtn::tell_dtnd 0 sendbundle $source $dest \

    48 	    length=5000 expiration=2]

    49     

    50     testlog "Waiting for bundle expiration at source"

    51     dtn::wait_for_bundle_stats 0 {1 expired}

    52     

    53     testlog "Checking that bundle is still in flight"

    54     dtn::check_link_stats 0 tcp-link:0-1 {0 bundles_queued 1 bundles_inflight}

    55     

    56     testlog "Checking that it was received but not delivered"

    57     dtn::wait_for_bundle_stats 1 {1 received 1 expired 0 delivered}

    58 

    59     testlog "Checking that it was really deleted"

    60     dtn::wait_for_bundle_stats 0 {0 pending}

    61     dtn::wait_for_bundle_stats 1 {0 pending}

    62 

    63     testlog "Verifying link stats"

    64     dtn::wait_for_link_stats 0 tcp-link:0-1 {0 bundles_queued 0 bytes_queued}

    65     dtn::wait_for_link_stats 0 tcp-link:0-1 {1 bundles_transmitted}

    66     dtn::wait_for_link_stats 0 tcp-link:0-1 {0 bundles_cancelled}

    67     

    68     testlog "Repeating the test, this time with two bundles in flight"

    69     tell_dtnd 0 bundle reset_stats

    70     tell_dtnd 1 bundle reset_stats

    71     

    72     set timestamp [dtn::tell_dtnd 0 sendbundle $source $dest \

    73 	    length=5000 expiration=2]

    74     set timestamp [dtn::tell_dtnd 0 sendbundle $source $dest \

    75 	    length=5000 expiration=2]

    76     

    77     testlog "Waiting for bundle expirations at source"

    78     dtn::wait_for_bundle_stats 0 {2 expired}

    79 

    80     testlog "Checking that only one bundle is still in flight"

    81     dtn::wait_for_link_stats 0 tcp-link:0-1 {0 bundles_queued 1 bundles_inflight}

    82     

    83     testlog "Checking that one was received but not delivered"

    84     dtn::wait_for_bundle_stats 1 {1 received 1 expired 0 delivered}

    85 

    86     testlog "Checking that they both were really deleted"

    87     dtn::wait_for_bundle_stats 0 {0 pending}

    88     dtn::wait_for_bundle_stats 1 {0 pending}

    89 

    90     testlog "Checking that only one was transmitted"

    91     dtn::wait_for_bundle_stats 0 {1 transmitted}

    92     

    93     testlog "Verifying link stats"

    94     dtn::wait_for_link_stats 0 tcp-link:0-1 {0 bundles_queued 0 bytes_queued}

    95     dtn::wait_for_link_stats 0 tcp-link:0-1 {1 bundles_transmitted}

    96     dtn::wait_for_link_stats 0 tcp-link:0-1 {1 bundles_cancelled}

    97     

    98     testlog "Test success!"

    99 }

   100 

   101 test::exit_script {

   102     testlog "clearing flamebox ignores"

   103     tell_dtnd 1 log /test always "flamebox-ignore-cancel ign1"

   104     

   105     testlog "Stopping all dtnds"

   106     dtn::stop_dtnd *

   107 }