From 12ac02650bf9af8490f1f4713b35f5ec09d4ab1a Mon Sep 17 00:00:00 2001
From: Joakim Eriksson <joakime@sics.se>
Date: Thu, 18 Feb 2016 22:40:30 +0100
Subject: [PATCH] fixed a bug in nbr policy and DAO retransmission handling and
 added new wismote simulation

---
 core/net/rpl/rpl-icmp6.c                      |  32 +-
 core/net/rpl/rpl-nbr-policy.c                 |  25 +-
 .../ipv6/rpl-udp/rpl-udp-scale-wismote.csc    | 721 ++++++++++++++++++
 3 files changed, 751 insertions(+), 27 deletions(-)
 create mode 100644 examples/ipv6/rpl-udp/rpl-udp-scale-wismote.csc

diff --git a/core/net/rpl/rpl-icmp6.c b/core/net/rpl/rpl-icmp6.c
index 566aa8b93..2296f0d97 100644
--- a/core/net/rpl/rpl-icmp6.c
+++ b/core/net/rpl/rpl-icmp6.c
@@ -976,6 +976,25 @@ dao_output(rpl_parent_t *parent, uint8_t lifetime)
     return;
   }
 
+#if RPL_WITH_DAO_ACK
+  /* set up the state since this will be the first transmission of DAO */
+  /* retransmissions will call directly to dao_output_target_seq */
+  /* keep track of my own sending of DAO for handling ack and loss of ack */
+  if(lifetime != RPL_ZERO_LIFETIME) {
+    rpl_instance_t *instance;
+    instance = parent->dag->instance;
+
+    instance->my_dao_seqno = dao_sequence;
+    instance->my_dao_transmissions = 1;
+    ctimer_set(&instance->dao_retransmit_timer, RPL_DAO_RETRANSMISSION_TIMEOUT,
+ 	       handle_dao_retransmission, parent);
+  }
+#else
+   /* We know that we have tried to register so now we are assuming
+      that we have a down-link - unless this is a zero lifetime one */
+  rpl_set_downward_link(lifetime != RPL_ZERO_LIFETIME);
+#endif /* RPL_WITH_DAO_ACK */
+
   /* Sending a DAO with own prefix as target */
   dao_output_target(parent, &prefix, lifetime);
 }
@@ -1074,19 +1093,6 @@ dao_output_target_seq(rpl_parent_t *parent, uip_ipaddr_t *prefix,
 
   if(rpl_get_parent_ipaddr(parent) != NULL) {
     uip_icmp6_send(rpl_get_parent_ipaddr(parent), ICMP6_RPL, RPL_CODE_DAO, pos);
-#if RPL_WITH_DAO_ACK
-    if(lifetime != RPL_ZERO_LIFETIME) {
-      /* keep track of my own sending of DAO for handling ack and loss of ack */
-      instance->my_dao_seqno = dao_sequence;
-      instance->my_dao_transmissions = 1;
-      ctimer_set(&instance->dao_retransmit_timer, RPL_DAO_RETRANSMISSION_TIMEOUT,
-          handle_dao_retransmission, parent);
-    }
-#else /* RPL_WITH_DAO_ACK */
-    /* We know that we have tried to register so now we are assuming
-    that we have a down-link - unless this is a zero lifetime one */
-    rpl_set_downward_link(lifetime != RPL_ZERO_LIFETIME);
-#endif /* RPL_WITH_DAO_ACK */
   }
 }
 /*---------------------------------------------------------------------------*/
diff --git a/core/net/rpl/rpl-nbr-policy.c b/core/net/rpl/rpl-nbr-policy.c
index 9c750a7e0..6f0dd9ca3 100644
--- a/core/net/rpl/rpl-nbr-policy.c
+++ b/core/net/rpl/rpl-nbr-policy.c
@@ -111,36 +111,33 @@ update_nbr(void)
     linkaddr_t *lladdr = nbr_table_get_lladdr(ds6_neighbors, nbr);
     is_used = 0;
 
+    /* Check if this neighbor is used as nexthop and therefor being a
+       RPL child. */
+    if(uip_ds6_route_is_nexthop((uip_lladdr_t *)lladdr) != 0) {
+      is_used++;
+      num_children++;
+    }
+
     parent = rpl_get_parent((uip_lladdr_t *)lladdr);
     if(parent != NULL) {
       num_parents++;
-      is_used++;
 
       if(parent->dag != NULL && parent->dag->preferred_parent == parent) {
         /* This is the preferred parent for the DAG and must not be removed */
 
         /* Note: this assumes that only RPL adds default routes. */
 
-      } else if(worst_rank < INFINITE_RANK &&
+      } else if(is_used == 0 && worst_rank < INFINITE_RANK &&
                 parent->rank > 0 &&
                 parent->dag != NULL &&
                 parent->dag->instance != NULL &&
                 (rank = parent->dag->instance->of->calculate_rank(parent, 0)) > worst_rank) {
         /* This is the worst-rank neighbor - this is a good candidate for removal */
-        if(uip_ds6_route_is_nexthop((uip_lladdr_t *)lladdr) == 0) {
-          worst_rank = rank;
-          worst_rank_nbr = lladdr;
-        } else {
-          printf("*** Can not use this as worst rank as it is a next hop\n");
-        }
+        worst_rank = rank;
+        worst_rank_nbr = lladdr;
       }
-    }
-
-    /* Check if this neighbor is used as nexthop and therefor being a
-       RPL child. */
-    if(uip_ds6_route_is_nexthop((uip_lladdr_t *)lladdr) != 0) {
+      /* add to is_used after evaluation of is_used above */
       is_used++;
-      num_children++;
     }
 
     if(is_used == 0) {
diff --git a/examples/ipv6/rpl-udp/rpl-udp-scale-wismote.csc b/examples/ipv6/rpl-udp/rpl-udp-scale-wismote.csc
new file mode 100644
index 000000000..3aea07ab0
--- /dev/null
+++ b/examples/ipv6/rpl-udp/rpl-udp-scale-wismote.csc
@@ -0,0 +1,721 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<simconf>
+  <project EXPORT="discard">[APPS_DIR]/mrm</project>
+  <project EXPORT="discard">[APPS_DIR]/mspsim</project>
+  <project EXPORT="discard">[APPS_DIR]/avrora</project>
+  <project EXPORT="discard">[APPS_DIR]/serial_socket</project>
+  <project EXPORT="discard">[APPS_DIR]/collect-view</project>
+  <project EXPORT="discard">[APPS_DIR]/powertracker</project>
+  <simulation>
+    <title>RPL up and downstream scaleability test network using IPv6 and RPL</title>
+    <randomseed>generated</randomseed>
+    <motedelay_us>5000000</motedelay_us>
+    <radiomedium>
+      org.contikios.cooja.radiomediums.UDGM
+      <transmitting_range>150.0</transmitting_range>
+      <interference_range>150.0</interference_range>
+      <success_ratio_tx>1.0</success_ratio_tx>
+      <success_ratio_rx>1.0</success_ratio_rx>
+    </radiomedium>
+    <events>
+      <logoutput>40000</logoutput>
+    </events>
+    <motetype>
+      org.contikios.cooja.mspmote.WismoteMoteType
+      <identifier>sky1</identifier>
+      <description>WisMote Type #sky1</description>
+      <source EXPORT="discard">[CONTIKI_DIR]/examples/ipv6/rpl-udp/udp-server.c</source>
+      <commands EXPORT="discard">make SERVER_REPLY=1 clean udp-server.wismote TARGET=wismote DEFINES=TEST_MORE_ROUTES=1</commands>
+      <firmware EXPORT="copy">[CONTIKI_DIR]/examples/ipv6/rpl-udp/udp-server.wismote</firmware>
+      <moteinterface>org.contikios.cooja.interfaces.Position</moteinterface>
+      <moteinterface>org.contikios.cooja.interfaces.RimeAddress</moteinterface>
+      <moteinterface>org.contikios.cooja.interfaces.IPAddress</moteinterface>
+      <moteinterface>org.contikios.cooja.interfaces.Mote2MoteRelations</moteinterface>
+      <moteinterface>org.contikios.cooja.interfaces.MoteAttributes</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.MspClock</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.MspMoteID</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.MspButton</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.Msp802154Radio</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.MspDefaultSerial</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.MspLED</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.MspDebugOutput</moteinterface>
+    </motetype>
+    <motetype>
+      org.contikios.cooja.mspmote.WismoteMoteType
+      <identifier>sky2</identifier>
+      <description>WisMote Type #sky2</description>
+      <source EXPORT="discard">[CONTIKI_DIR]/examples/ipv6/rpl-udp/udp-client.c</source>
+      <commands EXPORT="discard">make SERVER_REPLY=1 clean udp-client.wismote TARGET=wismote</commands>
+      <firmware EXPORT="copy">[CONTIKI_DIR]/examples/ipv6/rpl-udp/udp-client.wismote</firmware>
+      <moteinterface>org.contikios.cooja.interfaces.Position</moteinterface>
+      <moteinterface>org.contikios.cooja.interfaces.RimeAddress</moteinterface>
+      <moteinterface>org.contikios.cooja.interfaces.IPAddress</moteinterface>
+      <moteinterface>org.contikios.cooja.interfaces.Mote2MoteRelations</moteinterface>
+      <moteinterface>org.contikios.cooja.interfaces.MoteAttributes</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.MspClock</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.MspMoteID</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.MspButton</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.Msp802154Radio</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.MspDefaultSerial</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.MspLED</moteinterface>
+      <moteinterface>org.contikios.cooja.mspmote.interfaces.MspDebugOutput</moteinterface>
+    </motetype>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>48.435974731198804</x>
+        <y>-66.16503914182063</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>1</id>
+      </interface_config>
+      <motetype_identifier>sky1</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>-65.3176930733124</x>
+        <y>17.4304162608286</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>2</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>127.9689727848476</x>
+        <y>91.71883780610729</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>3</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>154.92605604103275</x>
+        <y>40.97896551774433</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>4</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>47.34887596588397</x>
+        <y>-30.341495695501195</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>5</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>47.13486576528276</x>
+        <y>32.944481932122315</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>6</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>-11.42091423859419</x>
+        <y>17.879870626121914</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>7</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>118.92746659954325</x>
+        <y>57.05973076244069</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>8</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>56.66768196114595</x>
+        <y>74.35652008990945</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>9</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>16.45706316609417</x>
+        <y>23.9075414163248</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>10</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>-13.423161364506493</x>
+        <y>-38.483037144768275</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>11</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>-9.034961217472201</x>
+        <y>44.411389162165406</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>12</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>35.60049910164592</x>
+        <y>87.95154356223047</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>13</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>66.93880603404335</x>
+        <y>-42.39683727590697</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>14</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>94.81678343873172</x>
+        <y>26.921376811426246</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>15</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>-49.449656689283934</x>
+        <y>57.924813144367945</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>16</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>-34.02467970185502</x>
+        <y>-24.313824905298304</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>17</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>-28.750467760427494</x>
+        <y>48.01822457713635</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>18</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>124.95513738974614</x>
+        <y>20.140247172447996</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>19</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>14.85247487703553</x>
+        <y>-34.478542892943686</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>20</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>154.43072661267115</x>
+        <y>-3.279765376986134</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>21</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>99.90960713878738</x>
+        <y>-21.76043658444847</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>22</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>88.4612185198951</x>
+        <y>-49.763990463932714</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>23</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>24.745110502623138</x>
+        <y>-1.7100594420374744</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>24</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>94.06332458995635</x>
+        <y>-2.4635182908128352</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>25</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>-4.639784599615941</x>
+        <y>-10.849236218849724</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>26</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>2.4901685804620115</x>
+        <y>-60.89843789583528</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>27</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>100.55144245441083</x>
+        <y>97.41861446767646</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>28</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>-12.355761328741393</x>
+        <y>82.72616691655692</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>29</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>57.79962925723111</x>
+        <y>0.6828700499064966</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>30</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+    <mote>
+      <breakpoints />
+      <interface_config>
+        org.contikios.cooja.interfaces.Position
+        <x>76.5550413097159</x>
+        <y>77.33875258624342</y>
+        <z>0.0</z>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspClock
+        <deviation>1.0</deviation>
+      </interface_config>
+      <interface_config>
+        org.contikios.cooja.mspmote.interfaces.MspMoteID
+        <id>31</id>
+      </interface_config>
+      <motetype_identifier>sky2</motetype_identifier>
+    </mote>
+  </simulation>
+  <plugin>
+    org.contikios.cooja.plugins.SimControl
+    <width>289</width>
+    <z>4</z>
+    <height>184</height>
+    <location_x>31</location_x>
+    <location_y>41</location_y>
+  </plugin>
+  <plugin>
+    org.contikios.cooja.plugins.Visualizer
+    <plugin_config>
+      <moterelations>true</moterelations>
+      <skin>org.contikios.cooja.plugins.skins.IDVisualizerSkin</skin>
+      <skin>org.contikios.cooja.plugins.skins.UDGMVisualizerSkin</skin>
+      <skin>org.contikios.cooja.plugins.skins.AttributeVisualizerSkin</skin>
+      <viewport>2.349818846983307 0.0 0.0 2.349818846983307 187.19773526533345 190.95275613586946</viewport>
+    </plugin_config>
+    <width>659</width>
+    <z>2</z>
+    <height>622</height>
+    <location_x>296</location_x>
+    <location_y>11</location_y>
+  </plugin>
+  <plugin>
+    org.contikios.cooja.plugins.LogListener
+    <plugin_config>
+      <filter>ID:22.*DAO</filter>
+      <formatted_time />
+      <coloring />
+    </plugin_config>
+    <width>937</width>
+    <z>3</z>
+    <height>442</height>
+    <location_x>20</location_x>
+    <location_y>297</location_y>
+  </plugin>
+  <plugin>
+    org.contikios.cooja.plugins.ScriptRunner
+    <plugin_config>
+      <script>TIMEOUT(12000000, log.log("Total PRR " + totalPRR + "\n"));
+packetsReceived= new Array();
+packetsSent = new Array();
+serverID = 1;
+nodeCount = 31;
+totalPRR = 0;
+
+for(i = 0; i &lt;= nodeCount; i++) {
+	packetsReceived[i] = 0;
+	packetsSent[i] = 0;
+}
+
+while(1) {
+	YIELD();
+
+	msgArray = msg.split(' ');
+	if(msgArray[0].equals("#A")) {
+		if(msgArray[1].charAt(0) == 'r') {
+			// Received packet
+			senderID = id;
+            arr2 = msgArray[1].split(',')[0].slice(2).split('/');
+            recv = parseInt(arr2[0]);
+            sent = parseInt(arr2[1]);
+            log.log("Sent:" + sent + " Recv:" + recv + "\n");
+            packetsSent[senderID] = sent;
+			packetsReceived[senderID] = recv;
+
+			log.log("SenderID " + senderID + " PRR " + packetsReceived[senderID] / packetsSent[senderID] + "\n");
+			totalReceived = totalSent = 0;
+			for(i = serverID + 1; i &lt;= nodeCount; i++) {
+				totalReceived += packetsReceived[i];
+				totalSent += packetsSent[i];
+			}
+			totalPRR = totalReceived / totalSent;
+			log.log("Total PRR " + totalPRR + " recv " + totalReceived + " sent " + totalSent + "\n");
+		}
+	}
+}</script>
+      <active>true</active>
+    </plugin_config>
+    <width>600</width>
+    <z>5</z>
+    <height>700</height>
+    <location_x>946</location_x>
+    <location_y>6</location_y>
+  </plugin>
+  <plugin>
+    org.contikios.cooja.plugins.MoteInterfaceViewer
+    <mote_arg>3</mote_arg>
+    <plugin_config>
+      <interface>Position</interface>
+      <scrollpos>0,0</scrollpos>
+    </plugin_config>
+    <width>350</width>
+    <z>6</z>
+    <height>300</height>
+    <location_x>976</location_x>
+    <location_y>36</location_y>
+  </plugin>
+</simconf>
+