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IPv6 Multicast Example

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George Oikonomou 2012-12-14 15:44:46 +00:00 committed by George Oikonomou
parent 230881df44
commit 0bbb574689
6 changed files with 708 additions and 0 deletions
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11
examples/ipv6/multicast/Makefile Normal file
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DEFINES+=PROJECT_CONF_H=\"project-conf.h\"
UIP_CONF_IPV6=1
CONTIKI_PROJECT = root intermediate sink
all: $(CONTIKI_PROJECT)
CONTIKI = ../../..
MODULES += core/net/ipv6/multicast
include $(CONTIKI)/Makefile.include

64
examples/ipv6/multicast/intermediate.c Normal file
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/*
* Copyright (c) 2010, Loughborough University - Computer Science
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*/
/**
* \file
* This node is part of the RPL multicast example. It basically
* represents a node that does not join the multicast group
* but still knows how to forward multicast packets
* The example will work with or without any number of these nodes
*
* Also, performs some sanity checks for the contiki configuration
* and generates an error if the conf is bad
*
* \author
* George Oikonomou - <oikonomou@users.sourceforge.net>
*/
#include "contiki.h"
#include "contiki-net.h"
#include "net/ipv6/multicast/uip-mcast6.h"
#if !UIP_CONF_IPV6 || !UIP_CONF_ROUTER || !UIP_CONF_IPV6_MULTICAST || !UIP_CONF_IPV6_RPL
#error "This example can not work with the current contiki configuration"
#error "Check the values of: UIP_CONF_IPV6, UIP_CONF_ROUTER, UIP_CONF_IPV6_RPL"
#endif
/*---------------------------------------------------------------------------*/
PROCESS(mcast_intermediate_process, "Intermediate Process");
AUTOSTART_PROCESSES(&mcast_intermediate_process);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(mcast_intermediate_process, ev, data)
{
PROCESS_BEGIN();
PROCESS_END();
}
/*---------------------------------------------------------------------------*/

257
examples/ipv6/multicast/multicast.csc Normal file
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<?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>Example of a uIPv6 network with multicast support</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.mspmote.SkyMoteType
<identifier>sky1</identifier>
<description>root</description>
<source EXPORT="discard">[CONTIKI_DIR]/examples/ipv6/multicast/root.c</source>
<commands EXPORT="discard">make root.sky TARGET=sky</commands>
<firmware EXPORT="copy">[CONTIKI_DIR]/examples/ipv6/multicast/root.sky</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.SkyButton</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.SkyFlash</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.SkyCoffeeFilesystem</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.Msp802154Radio</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.MspSerial</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.SkyLED</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.MspDebugOutput</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.SkyTemperature</moteinterface>
</motetype>
<motetype>
org.contikios.cooja.mspmote.SkyMoteType
<identifier>sky2</identifier>
<description>intermediate</description>
<source EXPORT="discard">[CONTIKI_DIR]/examples/ipv6/multicast/intermediate.c</source>
<commands EXPORT="discard">make intermediate.sky TARGET=sky</commands>
<firmware EXPORT="copy">[CONTIKI_DIR]/examples/ipv6/multicast/intermediate.sky</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.SkyButton</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.SkyFlash</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.SkyCoffeeFilesystem</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.Msp802154Radio</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.MspSerial</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.SkyLED</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.MspDebugOutput</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.SkyTemperature</moteinterface>
</motetype>
<motetype>
org.contikios.cooja.mspmote.SkyMoteType
<identifier>sky3</identifier>
<description>sink</description>
<source EXPORT="discard">[CONTIKI_DIR]/examples/ipv6/multicast/sink.c</source>
<commands EXPORT="discard">make sink.sky TARGET=sky</commands>
<firmware EXPORT="copy">[CONTIKI_DIR]/examples/ipv6/multicast/sink.sky</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.SkyButton</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.SkyFlash</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.SkyCoffeeFilesystem</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.Msp802154Radio</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.MspSerial</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.SkyLED</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.MspDebugOutput</moteinterface>
<moteinterface>org.contikios.cooja.mspmote.interfaces.SkyTemperature</moteinterface>
</motetype>
<mote>
<breakpoints />
<interface_config>
org.contikios.cooja.interfaces.Position
<x>5.995813174969022</x>
<y>34.43129455447824</y>
<z>0.0</z>
</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>40.70237155931961</x>
<y>16.396742420332068</y>
<z>0.0</z>
</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>100.3720728044051</x>
<y>70.93197095432518</y>
<z>0.0</z>
</interface_config>
<interface_config>
org.contikios.cooja.mspmote.interfaces.MspMoteID
<id>3</id>
</interface_config>
<motetype_identifier>sky3</motetype_identifier>
</mote>
<mote>
<breakpoints />
<interface_config>
org.contikios.cooja.interfaces.Position
<x>81.7376718406712</x>
<y>28.854291358797</y>
<z>0.0</z>
</interface_config>
<interface_config>
org.contikios.cooja.mspmote.interfaces.MspMoteID
<id>4</id>
</interface_config>
<motetype_identifier>sky3</motetype_identifier>
</mote>
<mote>
<breakpoints />
<interface_config>
org.contikios.cooja.interfaces.Position
<x>-26.161520836433183</x>
<y>8.116006415286686</y>
<z>0.0</z>
</interface_config>
<interface_config>
org.contikios.cooja.mspmote.interfaces.MspMoteID
<id>5</id>
</interface_config>
<motetype_identifier>sky3</motetype_identifier>
</mote>
<mote>
<breakpoints />
<interface_config>
org.contikios.cooja.interfaces.Position
<x>-34.57705675553882</x>
<y>92.87247531485058</y>
<z>0.0</z>
</interface_config>
<interface_config>
org.contikios.cooja.mspmote.interfaces.MspMoteID
<id>6</id>
</interface_config>
<motetype_identifier>sky3</motetype_identifier>
</mote>
<mote>
<breakpoints />
<interface_config>
org.contikios.cooja.interfaces.Position
<x>39.86312587077661</x>
<y>59.603125741056246</y>
<z>0.0</z>
</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>1.4345607604759194</x>
<y>75.2481773153879</y>
<z>0.0</z>
</interface_config>
<interface_config>
org.contikios.cooja.mspmote.interfaces.MspMoteID
<id>8</id>
</interface_config>
<motetype_identifier>sky2</motetype_identifier>
</mote>
</simulation>
<plugin>
org.contikios.cooja.plugins.SimControl
<width>318</width>
<z>0</z>
<height>192</height>
<location_x>0</location_x>
<location_y>0</location_y>
</plugin>
<plugin>
org.contikios.cooja.plugins.Visualizer
<plugin_config>
<skin>org.contikios.cooja.plugins.skins.IDVisualizerSkin</skin>
<skin>org.contikios.cooja.plugins.skins.MoteTypeVisualizerSkin</skin>
<skin>org.contikios.cooja.plugins.skins.UDGMVisualizerSkin</skin>
<skin>org.contikios.cooja.plugins.skins.AddressVisualizerSkin</skin>
<viewport>3.914959956760176 0.0 0.0 3.914959956760176 300.2075734071477 -15.682931033747009</viewport>
</plugin_config>
<width>869</width>
<z>3</z>
<height>441</height>
<location_x>320</location_x>
<location_y>3</location_y>
</plugin>
<plugin>
org.contikios.cooja.plugins.LogListener
<plugin_config>
<filter />
<formatted_time />
<coloring />
</plugin_config>
<width>1281</width>
<z>2</z>
<height>213</height>
<location_x>-1</location_x>
<location_y>714</location_y>
</plugin>
<plugin>
org.contikios.cooja.plugins.RadioLogger
<plugin_config>
<split>117</split>
<formatted_time />
<showdups>false</showdups>
<hidenodests>false</hidenodests>
<analyzers name="6lowpan-pcap" />
</plugin_config>
<width>1280</width>
<z>1</z>
<height>268</height>
<location_x>0</location_x>
<location_y>445</location_y>
</plugin>
</simconf>

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examples/ipv6/multicast/project-conf.h Normal file
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/*
* Copyright (c) 2010, Loughborough University - Computer Science
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*/
/**
* \file
* Project specific configuration defines for the RPl multicast
* example.
*
* \author
* George Oikonomou - <oikonomou@users.sourceforge.net>
*/
#ifndef PROJECT_CONF_H_
#define PROJECT_CONF_H_
#include "net/ipv6/multicast/uip-mcast6-engines.h"
/* Change this to switch engines. Engine codes in uip-mcast6-engines.h */
#define UIP_MCAST6_CONF_ENGINE UIP_MCAST6_ENGINE_ROLL_TM
/* For Imin: Use 16 over NullRDC, 64 over Contiki MAC */
#define ROLL_TM_CONF_IMIN_1 64
#undef UIP_CONF_IPV6_RPL
#undef UIP_CONF_ND6_SEND_RA
#undef UIP_CONF_ROUTER
#define UIP_CONF_IPV6_RPL 1
#define UIP_CONF_ND6_SEND_RA 0
#define UIP_CONF_ROUTER 1
#define UIP_MCAST6_ROUTE_CONF_ROUTES 1
#undef UIP_CONF_TCP
#define UIP_CONF_TCP 0
/* Code/RAM footprint savings so that things will fit on our device */
#undef UIP_CONF_DS6_NBR_NBU
#undef UIP_CONF_DS6_ROUTE_NBU
#define UIP_CONF_DS6_NBR_NBU 10
#define UIP_CONF_DS6_ROUTE_NBU 10
#endif /* PROJECT_CONF_H_ */

171
examples/ipv6/multicast/root.c Normal file
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/*
* Copyright (c) 2010, Loughborough University - Computer Science
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*/
/**
* \file
* This node is part of the RPL multicast example. It is an RPL root
* and sends a multicast message periodically. For the example to work,
* we need one of those nodes.
*
* \author
* George Oikonomou - <oikonomou@users.sourceforge.net>
*/
#include "contiki.h"
#include "contiki-lib.h"
#include "contiki-net.h"
#include "net/ipv6/multicast/uip-mcast6.h"
#include <string.h>
#define DEBUG DEBUG_PRINT
#include "net/ip/uip-debug.h"
#include "net/rpl/rpl.h"
#define MAX_PAYLOAD_LEN 120
#define MCAST_SINK_UDP_PORT 3001 /* Host byte order */
#define SEND_INTERVAL CLOCK_SECOND /* clock ticks */
#define ITERATIONS 100 /* messages */
/* Start sending messages START_DELAY secs after we start so that routing can
* converge */
#define START_DELAY 60
static struct uip_udp_conn * mcast_conn;
static char buf[MAX_PAYLOAD_LEN];
static uint32_t seq_id;
#if !UIP_CONF_IPV6 || !UIP_CONF_ROUTER || !UIP_CONF_IPV6_MULTICAST || !UIP_CONF_IPV6_RPL
#error "This example can not work with the current contiki configuration"
#error "Check the values of: UIP_CONF_IPV6, UIP_CONF_ROUTER, UIP_CONF_IPV6_RPL"
#endif
/*---------------------------------------------------------------------------*/
PROCESS(rpl_root_process, "RPL ROOT, Multicast Sender");
AUTOSTART_PROCESSES(&rpl_root_process);
/*---------------------------------------------------------------------------*/
static void
multicast_send()
{
uint32_t id;
id = uip_htonl(seq_id);
memset(buf, 0, MAX_PAYLOAD_LEN);
memcpy(buf, &id, sizeof(seq_id));
PRINTF("Send to: ");
PRINT6ADDR(&mcast_conn->ripaddr);
PRINTF(" Remote Port %u,", uip_ntohs(mcast_conn->rport));
PRINTF(" (msg=0x%08lx)", (unsigned long)uip_ntohl(*((uint32_t *)buf)));
PRINTF(" %lu bytes\n", (unsigned long)sizeof(id));
seq_id++;
uip_udp_packet_send(mcast_conn, buf, sizeof(id));
}
/*---------------------------------------------------------------------------*/
static void
prepare_mcast()
{
uip_ipaddr_t ipaddr;
/*
* IPHC will use stateless multicast compression for this destination
* (M=1, DAC=0), with 32 inline bits (1E 89 AB CD)
*/
uip_ip6addr(&ipaddr,0xFF1E,0,0,0,0,0,0x89,0xABCD);
mcast_conn = udp_new(&ipaddr, UIP_HTONS(MCAST_SINK_UDP_PORT), NULL);
}
/*---------------------------------------------------------------------------*/
static void
set_own_addresses()
{
int i;
uint8_t state;
rpl_dag_t *dag;
uip_ipaddr_t ipaddr;
uip_ip6addr(&ipaddr, 0xaaaa, 0, 0, 0, 0, 0, 0, 0);
uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
PRINTF("Our IPv6 addresses:\n");
for(i = 0; i < UIP_DS6_ADDR_NB; i++) {
state = uip_ds6_if.addr_list[i].state;
if(uip_ds6_if.addr_list[i].isused && (state == ADDR_TENTATIVE || state
== ADDR_PREFERRED)) {
PRINTF(" ");
PRINT6ADDR(&uip_ds6_if.addr_list[i].ipaddr);
PRINTF("\n");
if (state == ADDR_TENTATIVE) {
uip_ds6_if.addr_list[i].state = ADDR_PREFERRED;
}
}
}
/* Become root of a new DODAG with ID our global v6 address */
dag = rpl_set_root(RPL_DEFAULT_INSTANCE, &ipaddr);
if(dag != NULL) {
rpl_set_prefix(dag, &ipaddr, 64);
PRINTF("Created a new RPL dag with ID: ");
PRINT6ADDR(&dag->dag_id);
PRINTF("\n");
}
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(rpl_root_process, ev, data)
{
static struct etimer et;
PROCESS_BEGIN();
PRINTF("Multicast Engine: '%s'\n", UIP_MCAST6.name);
NETSTACK_MAC.off(1);
set_own_addresses();
prepare_mcast();
etimer_set(&et, START_DELAY * CLOCK_SECOND);
while(1) {
PROCESS_YIELD();
if(etimer_expired(&et)) {
if(seq_id == ITERATIONS) {
etimer_stop(&et);
} else {
multicast_send();
etimer_set(&et, SEND_INTERVAL);
}
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/

136
examples/ipv6/multicast/sink.c Normal file
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/*
* Copyright (c) 2010, Loughborough University - Computer Science
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*/
/**
* \file
* This node is part of the RPL multicast example. It is a node that
* joins a multicast group and listens for messages. It also knows how
* to forward messages down the tree.
* For the example to work, we need one or more of those nodes.
*
* \author
* George Oikonomou - <oikonomou@users.sourceforge.net>
*/
#include "contiki.h"
#include "contiki-lib.h"
#include "contiki-net.h"
#include "net/ipv6/multicast/uip-mcast6.h"
#include <string.h>
#define DEBUG DEBUG_PRINT
#include "net/ip/uip-debug.h"
#define MCAST_SINK_UDP_PORT 3001 /* Host byte order */
static struct uip_udp_conn *sink_conn;
static uint16_t count;
#define UIP_IP_BUF ((struct uip_ip_hdr *)&uip_buf[UIP_LLH_LEN])
#if !UIP_CONF_IPV6 || !UIP_CONF_ROUTER || !UIP_CONF_IPV6_MULTICAST || !UIP_CONF_IPV6_RPL
#error "This example can not work with the current contiki configuration"
#error "Check the values of: UIP_CONF_IPV6, UIP_CONF_ROUTER, UIP_CONF_IPV6_RPL"
#endif
/*---------------------------------------------------------------------------*/
PROCESS(mcast_sink_process, "Multicast Sink");
AUTOSTART_PROCESSES(&mcast_sink_process);
/*---------------------------------------------------------------------------*/
static void
tcpip_handler(void)
{
if(uip_newdata()) {
count++;
PRINTF("In: [0x%08lx], TTL %u, total %u\n",
uip_ntohl((unsigned long) *((uint32_t *)(uip_appdata))),
UIP_IP_BUF->ttl, count);
}
return;
}
/*---------------------------------------------------------------------------*/
static uip_ds6_maddr_t *
join_mcast_group()
{
uip_ipaddr_t addr;
uip_ds6_maddr_t *rv;
/* First, set our v6 global */
uip_ip6addr(&addr, 0xaaaa, 0, 0, 0, 0, 0, 0, 0);
uip_ds6_set_addr_iid(&addr, &uip_lladdr);
uip_ds6_addr_add(&addr, 0, ADDR_AUTOCONF);
/*
* IPHC will use stateless multicast compression for this destination
* (M=1, DAC=0), with 32 inline bits (1E 89 AB CD)
*/
uip_ip6addr(&addr,0xFF1E,0,0,0,0,0,0x89,0xABCD);
rv = uip_ds6_maddr_add(&addr);
if(rv) {
PRINTF("Joined multicast group ");
PRINT6ADDR(&uip_ds6_maddr_lookup(&addr)->ipaddr);
PRINTF("\n");
}
return rv;
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(mcast_sink_process, ev, data)
{
PROCESS_BEGIN();
PRINTF("Multicast Engine: '%s'\n", UIP_MCAST6.name);
if(join_mcast_group() == NULL) {
PRINTF("Failed to join multicast group\n");
PROCESS_EXIT();
}
count = 0;
sink_conn = udp_new(NULL, UIP_HTONS(0), NULL);
udp_bind(sink_conn, UIP_HTONS(MCAST_SINK_UDP_PORT));
PRINTF("Listening: ");
PRINT6ADDR(&sink_conn->ripaddr);
PRINTF(" local/remote port %u/%u\n",
UIP_HTONS(sink_conn->lport), UIP_HTONS(sink_conn->rport));
while(1) {
PROCESS_YIELD();
if(ev == tcpip_event) {
tcpip_handler();
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/