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Merge pull request #1053 from simonduq/rpl-probing

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RPL probing
This commit is contained in:
Nicolas Tsiftes 2015-05-10 17:22:10 +02:00
parent 71427ed4cc 9ced5b7bac
commit 05d2d843da
8 changed files with 467 additions and 4 deletions
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61
core/net/rpl/rpl-conf.h
View file

@ -207,4 +207,65 @@
#define RPL_INSERT_HBH_OPTION 1 #define RPL_INSERT_HBH_OPTION 1
#endif #endif
/*
* RPL probing. When enabled, probes will be sent periodically to keep
* parent link estimates up to date.
* */
#ifdef RPL_CONF_WITH_PROBING
#define RPL_WITH_PROBING RPL_CONF_WITH_PROBING
#else
#define RPL_WITH_PROBING 1
#endif
/*
* RPL probing interval.
* */
#ifdef RPL_CONF_PROBING_INTERVAL
#define RPL_PROBING_INTERVAL RPL_CONF_PROBING_INTERVAL
#else
#define RPL_PROBING_INTERVAL (120 * CLOCK_SECOND)
#endif
/*
* RPL probing expiration time.
* */
#ifdef RPL_CONF_PROBING_EXPIRATION_TIME
#define RPL_PROBING_EXPIRATION_TIME RPL_CONF_PROBING_EXPIRATION_TIME
#else
#define RPL_PROBING_EXPIRATION_TIME (10 * 60 * CLOCK_SECOND)
#endif
/*
* Function used to select the next parent to be probed.
* */
#ifdef RPL_CONF_PROBING_SELECT_FUNC
#define RPL_PROBING_SELECT_FUNC RPL_CONF_PROBING_SELECT_FUNC
#else
#define RPL_PROBING_SELECT_FUNC(dag) get_probing_target((dag))
#endif
/*
* Function used to send RPL probes.
* To probe with DIO, use:
* #define RPL_CONF_PROBING_SEND_FUNC(instance, addr) dio_output((instance), (addr))
* To probe with DIS, use:
* #define RPL_CONF_PROBING_SEND_FUNC(instance, addr) dis_output((addr))
* Any other custom probing function is also acceptable.
* */
#ifdef RPL_CONF_PROBING_SEND_FUNC
#define RPL_PROBING_SEND_FUNC RPL_CONF_PROBING_SEND_FUNC
#else
#define RPL_PROBING_SEND_FUNC(instance, addr) dio_output((instance), (addr))
#endif
/*
* Function used to calculate next RPL probing interval
* */
#ifdef RPL_CONF_PROBING_DELAY_FUNC
#define RPL_PROBING_DELAY_FUNC RPL_CONF_PROBING_DELAY_FUNC
#else
#define RPL_PROBING_DELAY_FUNC() ((RPL_PROBING_INTERVAL / 2) \
+ random_rand() % (RPL_PROBING_INTERVAL))
#endif
#endif /* RPL_CONF_H */ #endif /* RPL_CONF_H */

38
core/net/rpl/rpl-dag.c
View file

@ -75,12 +75,37 @@ static rpl_of_t * const objective_functions[] = {&RPL_OF};
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
/* Per-parent RPL information */ /* Per-parent RPL information */
NBR_TABLE(rpl_parent_t, rpl_parents); NBR_TABLE_GLOBAL(rpl_parent_t, rpl_parents);
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
/* Allocate instance table. */ /* Allocate instance table. */
rpl_instance_t instance_table[RPL_MAX_INSTANCES]; rpl_instance_t instance_table[RPL_MAX_INSTANCES];
rpl_instance_t *default_instance; rpl_instance_t *default_instance;
/*---------------------------------------------------------------------------*/
void
rpl_print_neighbor_list()
{
if(default_instance != NULL && default_instance->current_dag != NULL &&
default_instance->of != NULL && default_instance->of->calculate_rank != NULL) {
int curr_dio_interval = default_instance->dio_intcurrent;
int curr_rank = default_instance->current_dag->rank;
rpl_parent_t *p = nbr_table_head(rpl_parents);
clock_time_t now = clock_time();
printf("RPL: rank %u dioint %u, %u nbr(s)\n", curr_rank, curr_dio_interval, uip_ds6_nbr_num());
while(p != NULL) {
uip_ds6_nbr_t *nbr = rpl_get_nbr(p);
printf("RPL: nbr %3u %5u, %5u => %5u %c (last tx %u min ago)\n",
nbr_table_get_lladdr(rpl_parents, p)->u8[7],
p->rank, nbr ? nbr->link_metric : 0,
default_instance->of->calculate_rank(p, 0),
p == default_instance->current_dag->preferred_parent ? '*' : ' ',
(now - p->last_tx_time) / (60 * CLOCK_SECOND));
p = nbr_table_next(rpl_parents, p);
}
printf("RPL: end of list\n");
}
}
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
uip_ds6_nbr_t * uip_ds6_nbr_t *
rpl_get_nbr(rpl_parent_t *parent) rpl_get_nbr(rpl_parent_t *parent)
@ -484,6 +509,9 @@ rpl_alloc_instance(uint8_t instance_id)
instance->instance_id = instance_id; instance->instance_id = instance_id;
instance->def_route = NULL; instance->def_route = NULL;
instance->used = 1; instance->used = 1;
#if RPL_WITH_PROBING
rpl_schedule_probing(instance);
#endif /* RPL_WITH_PROBING */
return instance; return instance;
} }
} }
@ -549,6 +577,9 @@ rpl_free_instance(rpl_instance_t *instance)
rpl_set_default_route(instance, NULL); rpl_set_default_route(instance, NULL);
#if RPL_WITH_PROBING
ctimer_stop(&instance->probing_timer);
#endif /* RPL_WITH_PROBING */
ctimer_stop(&instance->dio_timer); ctimer_stop(&instance->dio_timer);
ctimer_stop(&instance->dao_timer); ctimer_stop(&instance->dao_timer);
ctimer_stop(&instance->dao_lifetime_timer); ctimer_stop(&instance->dao_lifetime_timer);
@ -744,6 +775,9 @@ rpl_select_dag(rpl_instance_t *instance, rpl_parent_t *p)
rpl_schedule_dao(instance); rpl_schedule_dao(instance);
} }
rpl_reset_dio_timer(instance); rpl_reset_dio_timer(instance);
#if DEBUG
rpl_print_neighbor_list();
#endif
} else if(best_dag->rank != old_rank) { } else if(best_dag->rank != old_rank) {
PRINTF("RPL: Preferred parent update, rank changed from %u to %u\n", PRINTF("RPL: Preferred parent update, rank changed from %u to %u\n",
(unsigned)old_rank, best_dag->rank); (unsigned)old_rank, best_dag->rank);
@ -1344,7 +1378,7 @@ rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
PRINTF(", rank %u, min_rank %u, ", PRINTF(", rank %u, min_rank %u, ",
instance->current_dag->rank, instance->current_dag->min_rank); instance->current_dag->rank, instance->current_dag->min_rank);
PRINTF("parent rank %u, parent etx %u, link metric %u, instance etx %u\n", PRINTF("parent rank %u, parent etx %u, link metric %u, instance etx %u\n",
p->rank, -1/*p->mc.obj.etx*/, p->link_metric, instance->mc.obj.etx); p->rank, -1/*p->mc.obj.etx*/, rpl_get_nbr(p)->link_metric, instance->mc.obj.etx);
/* We have allocated a candidate parent; process the DIO further. */ /* We have allocated a candidate parent; process the DIO further. */

8
core/net/rpl/rpl-icmp6.c
View file

@ -466,8 +466,12 @@ dio_output(rpl_instance_t *instance, uip_ipaddr_t *uc_addr)
buffer[pos++] = instance->dtsn_out; buffer[pos++] = instance->dtsn_out;
/* always request new DAO to refresh route */ if(uc_addr == NULL) {
RPL_LOLLIPOP_INCREMENT(instance->dtsn_out); /* Request new DAO to refresh route. We do not do this for unicast DIO
* in order to avoid DAO messages after a DIS-DIO update,
* or upon unicast DIO probing. */
RPL_LOLLIPOP_INCREMENT(instance->dtsn_out);
}
/* reserved 2 bytes */ /* reserved 2 bytes */
buffer[pos++] = 0; /* flags */ buffer[pos++] = 0; /* flags */

1
core/net/rpl/rpl-private.h
View file

@ -313,6 +313,7 @@ rpl_of_t *rpl_find_of(rpl_ocp_t);
void rpl_schedule_dao(rpl_instance_t *); void rpl_schedule_dao(rpl_instance_t *);
void rpl_schedule_dao_immediately(rpl_instance_t *); void rpl_schedule_dao_immediately(rpl_instance_t *);
void rpl_cancel_dao(rpl_instance_t *instance); void rpl_cancel_dao(rpl_instance_t *instance);
void rpl_schedule_probing(rpl_instance_t *instance);
void rpl_reset_dio_timer(rpl_instance_t *); void rpl_reset_dio_timer(rpl_instance_t *);
void rpl_reset_periodic_timer(void); void rpl_reset_periodic_timer(void);

96
core/net/rpl/rpl-timers.c
View file

@ -166,6 +166,10 @@ handle_dio_timer(void *ptr)
} }
new_dio_interval(instance); new_dio_interval(instance);
} }
#if DEBUG
rpl_print_neighbor_list();
#endif
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
void void
@ -323,5 +327,97 @@ rpl_cancel_dao(rpl_instance_t *instance)
ctimer_stop(&instance->dao_lifetime_timer); ctimer_stop(&instance->dao_lifetime_timer);
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
#if RPL_WITH_PROBING
static rpl_parent_t *
get_probing_target(rpl_dag_t *dag)
{
/* Returns the next probing target. The current implementation probes the current
* preferred parent if we have not updated its link for RPL_PROBING_EXPIRATION_TIME.
* Otherwise, it picks at random between:
* (1) selecting the best parent not updated for RPL_PROBING_EXPIRATION_TIME
* (2) selecting the least recently updated parent
*/
rpl_parent_t *p;
rpl_parent_t *probing_target = NULL;
rpl_rank_t probing_target_rank = INFINITE_RANK;
/* min_last_tx is the clock time RPL_PROBING_EXPIRATION_TIME in the past */
clock_time_t min_last_tx = clock_time();
min_last_tx = min_last_tx > 2 * RPL_PROBING_EXPIRATION_TIME
? min_last_tx - RPL_PROBING_EXPIRATION_TIME : 1;
if(dag == NULL ||
dag->instance == NULL ||
dag->preferred_parent == NULL) {
return NULL;
}
/* Our preferred parent needs probing */
if(dag->preferred_parent->last_tx_time < min_last_tx) {
probing_target = dag->preferred_parent;
}
/* With 50% probability: probe best parent not updated for RPL_PROBING_EXPIRATION_TIME */
if(probing_target == NULL && (random_rand() % 2) == 0) {
p = nbr_table_head(rpl_parents);
while(p != NULL) {
if(p->dag == dag && p->last_tx_time < min_last_tx) {
/* p is in our dag and needs probing */
rpl_rank_t p_rank = dag->instance->of->calculate_rank(p, 0);
if(probing_target == NULL
|| p_rank < probing_target_rank) {
probing_target = p;
probing_target_rank = p_rank;
}
}
p = nbr_table_next(rpl_parents, p);
}
}
/* The default probing target is the least recently updated parent */
if(probing_target == NULL) {
p = nbr_table_head(rpl_parents);
while(p != NULL) {
if(p->dag == dag) {
if(probing_target == NULL
|| p->last_tx_time < probing_target->last_tx_time) {
probing_target = p;
}
}
p = nbr_table_next(rpl_parents, p);
}
}
return probing_target;
}
/*---------------------------------------------------------------------------*/
static void
handle_probing_timer(void *ptr)
{
rpl_instance_t *instance = (rpl_instance_t *)ptr;
rpl_parent_t *probing_target = RPL_PROBING_SELECT_FUNC(instance->current_dag);
/* Perform probing */
if(probing_target != NULL && rpl_get_parent_ipaddr(probing_target) != NULL) {
PRINTF("RPL: probing %3u\n",
nbr_table_get_lladdr(rpl_parents, probing_target)->u8[7]);
/* Send probe, e.g. unicast DIO or DIS */
RPL_PROBING_SEND_FUNC(instance, rpl_get_parent_ipaddr(probing_target));
}
/* Schedule next probing */
rpl_schedule_probing(instance);
#if DEBUG
rpl_print_neighbor_list();
#endif
}
/*---------------------------------------------------------------------------*/
void
rpl_schedule_probing(rpl_instance_t *instance)
{
ctimer_set(&instance->probing_timer, RPL_PROBING_DELAY_FUNC(),
handle_probing_timer, instance);
}
#endif /* RPL_WITH_PROBING */
/** @}*/ /** @}*/

1
core/net/rpl/rpl.c
View file

@ -263,6 +263,7 @@ rpl_link_neighbor_callback(const linkaddr_t *addr, int status, int numtx)
parent->flags |= RPL_PARENT_FLAG_UPDATED; parent->flags |= RPL_PARENT_FLAG_UPDATED;
if(instance->of->neighbor_link_callback != NULL) { if(instance->of->neighbor_link_callback != NULL) {
instance->of->neighbor_link_callback(parent, status, numtx); instance->of->neighbor_link_callback(parent, status, numtx);
parent->last_tx_time = clock_time();
} }
} }
} }

8
core/net/rpl/rpl.h
View file

@ -114,6 +114,7 @@ struct rpl_parent {
rpl_metric_container_t mc; rpl_metric_container_t mc;
#endif /* RPL_DAG_MC != RPL_DAG_MC_NONE */ #endif /* RPL_DAG_MC != RPL_DAG_MC_NONE */
rpl_rank_t rank; rpl_rank_t rank;
clock_time_t last_tx_time;
uint8_t dtsn; uint8_t dtsn;
uint8_t flags; uint8_t flags;
}; };
@ -224,6 +225,9 @@ struct rpl_instance {
uint16_t dio_totrecv; uint16_t dio_totrecv;
#endif /* RPL_CONF_STATS */ #endif /* RPL_CONF_STATS */
clock_time_t dio_next_delay; /* delay for completion of dio interval */ clock_time_t dio_next_delay; /* delay for completion of dio interval */
#if RPL_WITH_PROBING
struct ctimer probing_timer;
#endif /* RPL_WITH_PROBING */
struct ctimer dio_timer; struct ctimer dio_timer;
struct ctimer dao_timer; struct ctimer dao_timer;
struct ctimer dao_lifetime_timer; struct ctimer dao_lifetime_timer;
@ -251,6 +255,10 @@ rpl_rank_t rpl_get_parent_rank(uip_lladdr_t *addr);
uint16_t rpl_get_parent_link_metric(const uip_lladdr_t *addr); uint16_t rpl_get_parent_link_metric(const uip_lladdr_t *addr);
void rpl_dag_init(void); void rpl_dag_init(void);
uip_ds6_nbr_t *rpl_get_nbr(rpl_parent_t *parent); uip_ds6_nbr_t *rpl_get_nbr(rpl_parent_t *parent);
void rpl_print_neighbor_list();
/* Per-parent RPL information */
NBR_TABLE_DECLARE(rpl_parents);
/** /**
* RPL modes * RPL modes

258
regression-tests/12-rpl/09-rpl-probing.csc Normal file
View file

@ -0,0 +1,258 @@
<?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>My simulation</title>
<randomseed>123456</randomseed>
<motedelay_us>1000000</motedelay_us>
<radiomedium>
org.contikios.cooja.radiomediums.UDGM
<transmitting_range>50.0</transmitting_range>
<interference_range>50.0</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.contikimote.ContikiMoteType
<identifier>mtype190</identifier>
<description>Sender</description>
<source>[CONTIKI_DIR]/regression-tests/12-rpl/code/sender-node.c</source>
<commands>make clean TARGET=cooja
make sender-node.cooja TARGET=cooja</commands>
<moteinterface>org.contikios.cooja.interfaces.Position</moteinterface>
<moteinterface>org.contikios.cooja.interfaces.Battery</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiVib</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiMoteID</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiRS232</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiBeeper</moteinterface>
<moteinterface>org.contikios.cooja.interfaces.RimeAddress</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiIPAddress</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiRadio</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiButton</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiPIR</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiClock</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiLED</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiCFS</moteinterface>
<moteinterface>org.contikios.cooja.interfaces.Mote2MoteRelations</moteinterface>
<moteinterface>org.contikios.cooja.interfaces.MoteAttributes</moteinterface>
<symbols>false</symbols>
</motetype>
<motetype>
org.contikios.cooja.contikimote.ContikiMoteType
<identifier>mtype481</identifier>
<description>RPL root</description>
<source>[CONTIKI_DIR]/regression-tests/12-rpl/code/root-node.c</source>
<commands>make clean TARGET=cooja
make root-node.cooja TARGET=cooja</commands>
<moteinterface>org.contikios.cooja.interfaces.Position</moteinterface>
<moteinterface>org.contikios.cooja.interfaces.Battery</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiVib</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiMoteID</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiRS232</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiBeeper</moteinterface>
<moteinterface>org.contikios.cooja.interfaces.RimeAddress</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiIPAddress</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiRadio</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiButton</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiPIR</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiClock</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiLED</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiCFS</moteinterface>
<moteinterface>org.contikios.cooja.interfaces.Mote2MoteRelations</moteinterface>
<moteinterface>org.contikios.cooja.interfaces.MoteAttributes</moteinterface>
<symbols>false</symbols>
</motetype>
<motetype>
org.contikios.cooja.contikimote.ContikiMoteType
<identifier>mtype692</identifier>
<description>Receiver</description>
<source>[CONTIKI_DIR]/regression-tests/12-rpl/code/receiver-node.c</source>
<commands>make clean TARGET=cooja
make receiver-node.cooja TARGET=cooja</commands>
<moteinterface>org.contikios.cooja.interfaces.Position</moteinterface>
<moteinterface>org.contikios.cooja.interfaces.Battery</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiVib</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiMoteID</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiRS232</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiBeeper</moteinterface>
<moteinterface>org.contikios.cooja.interfaces.RimeAddress</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiIPAddress</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiRadio</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiButton</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiPIR</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiClock</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiLED</moteinterface>
<moteinterface>org.contikios.cooja.contikimote.interfaces.ContikiCFS</moteinterface>
<moteinterface>org.contikios.cooja.interfaces.Mote2MoteRelations</moteinterface>
<moteinterface>org.contikios.cooja.interfaces.MoteAttributes</moteinterface>
<symbols>false</symbols>
</motetype>
<mote>
<interface_config>
org.contikios.cooja.interfaces.Position
<x>8.0</x>
<y>2.0</y>
<z>0.0</z>
</interface_config>
<interface_config>
org.contikios.cooja.contikimote.interfaces.ContikiMoteID
<id>1</id>
</interface_config>
<interface_config>
org.contikios.cooja.contikimote.interfaces.ContikiRadio
<bitrate>250.0</bitrate>
</interface_config>
<motetype_identifier>mtype481</motetype_identifier>
</mote>
<mote>
<interface_config>
org.contikios.cooja.interfaces.Position
<x>-7.19071602882406</x>
<y>34.96668248624779</y>
<z>0.0</z>
</interface_config>
<interface_config>
org.contikios.cooja.contikimote.interfaces.ContikiMoteID
<id>2</id>
</interface_config>
<interface_config>
org.contikios.cooja.contikimote.interfaces.ContikiRadio
<bitrate>250.0</bitrate>
</interface_config>
<motetype_identifier>mtype190</motetype_identifier>
</mote>
<mote>
<interface_config>
org.contikios.cooja.interfaces.Position
<x>-17.870288882812428</x>
<y>4.581754854333804</y>
<z>0.0</z>
</interface_config>
<interface_config>
org.contikios.cooja.contikimote.interfaces.ContikiMoteID
<id>3</id>
</interface_config>
<interface_config>
org.contikios.cooja.contikimote.interfaces.ContikiRadio
<bitrate>250.0</bitrate>
</interface_config>
<motetype_identifier>mtype692</motetype_identifier>
</mote>
</simulation>
<plugin>
org.contikios.cooja.plugins.SimControl
<width>280</width>
<z>2</z>
<height>160</height>
<location_x>400</location_x>
<location_y>0</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.GridVisualizerSkin</skin>
<skin>org.contikios.cooja.plugins.skins.MoteTypeVisualizerSkin</skin>
<viewport>2.494541140753371 0.0 0.0 2.494541140753371 168.25302383129448 116.2254386098645</viewport>
</plugin_config>
<width>400</width>
<z>3</z>
<height>400</height>
<location_x>1</location_x>
<location_y>1</location_y>
</plugin>
<plugin>
org.contikios.cooja.plugins.LogListener
<plugin_config>
<filter />
<formatted_time />
<coloring />
</plugin_config>
<width>597</width>
<z>0</z>
<height>428</height>
<location_x>402</location_x>
<location_y>162</location_y>
</plugin>
<plugin>
org.contikios.cooja.plugins.Notes
<plugin_config>
<notes>Enter notes here</notes>
<decorations>true</decorations>
</plugin_config>
<width>904</width>
<z>4</z>
<height>160</height>
<location_x>680</location_x>
<location_y>0</location_y>
</plugin>
<plugin>
org.contikios.cooja.plugins.ScriptRunner
<plugin_config>
<script>GENERATE_MSG(1000000, "moving root 2 hops away");&#xD;
GENERATE_MSG(1500000, "moving root back");&#xD;
&#xD;
lostMsgs = 0;&#xD;
&#xD;
TIMEOUT(6000000, if(lastMsg != -1 &amp;&amp; lastMsgHops == 1 &amp;&amp; lostMsgs &lt;= 2 &amp;&amp; num &gt; 20) { log.testOK(); } );&#xD;
&#xD;
lastMsg = -1;&#xD;
packets = "_________";&#xD;
hops = 0;&#xD;
lastMsgHops = -1;&#xD;
&#xD;
while(true) {&#xD;
YIELD();&#xD;
if(msg.equals("moving root 2 hops away")) {&#xD;
var root = sim.getMoteWithID(1);&#xD;
root.getInterfaces().getPosition().setCoordinates(5, -20, 0);&#xD;
log.log("moving root 2 hops away\n");&#xD;
} else if(msg.equals("moving root back")) {&#xD;
var root = sim.getMoteWithID(1);&#xD;
root.getInterfaces().getPosition().setCoordinates(8, 2, 0);&#xD;
log.log("moving root back\n");&#xD;
} else if(msg.startsWith("Sending")) {&#xD;
hops = 0;&#xD;
} else if(msg.startsWith("#L") &amp;&amp; msg.endsWith("1; red")) {&#xD;
hops++;&#xD;
} else if(msg.startsWith("Data")) {&#xD;
// log.log("" + msg + "\n"); &#xD;
data = msg.split(" ");&#xD;
num = parseInt(data[14]);&#xD;
packets = packets.substr(0, num) + "*";&#xD;
log.log("" + hops + " " + packets + "\n");&#xD;
// log.log("Num " + num + "\n");&#xD;
if(lastMsg != -1) {&#xD;
if(num != lastMsg + 1) {&#xD;
numMissed = num - lastMsg - 1;&#xD;
lostMsgs += numMissed;&#xD;
log.log("Missed messages " + numMissed + " before " + num + "\n"); &#xD;
for(i = 0; i &lt; numMissed; i++) {&#xD;
packets = packets.substr(0, lastMsg + i) + "_"; &#xD;
}&#xD;
} &#xD;
}&#xD;
lastMsgHops = hops;&#xD;
lastMsg = num;&#xD;
}&#xD;
}</script>
<active>true</active>
</plugin_config>
<width>605</width>
<z>1</z>
<height>684</height>
<location_x>604</location_x>
<location_y>14</location_y>
</plugin>
</simconf>