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142 lines
4.5 KiB
142 lines
4.5 KiB
/**************************************************************************** |
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* examples/igmp/igmp.c |
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* |
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* Copyright (C) 2010-2011 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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#include <nuttx/config.h> |
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#include <stdint.h> |
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#include <stdio.h> |
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#include <unistd.h> |
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#include <debug.h> |
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#include <net/if.h> |
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#include <nuttx/net/uip/uip.h> |
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#include <apps/netutils/uiplib.h> |
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#include <apps/netutils/ipmsfilter.h> |
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#include "igmp.h" |
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/**************************************************************************** |
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* Definitions |
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****************************************************************************/ |
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/* Check if the destination address is a multicast address |
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* |
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* - IPv4: multicast addresses lie in the class D group -- The address range |
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* 224.0.0.0 to 239.255.255.255 (224.0.0.0/4) |
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* |
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* - IPv6 multicast addresses are have the high-order octet of the |
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* addresses=0xff (ff00::/8.) |
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*/ |
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#if ((CONFIG_EXAMPLE_IGMP_GRPADDR & 0xffff0000) < 0xe0000000ul) || \ |
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((CONFIG_EXAMPLE_IGMP_GRPADDR & 0xffff0000) > 0xeffffffful) |
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# error "Bad range for IGMP group address" |
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#endif |
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/**************************************************************************** |
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* Private Data |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* igmp_main |
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****************************************************************************/ |
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int igmp_main(int argc, char *argv[]) |
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{ |
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struct in_addr addr; |
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#if defined(CONFIG_EXAMPLE_IGMP_NOMAC) |
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uint8_t mac[IFHWADDRLEN]; |
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#endif |
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message("Configuring Ethernet...\n"); |
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/* Many embedded network interfaces must have a software assigned MAC */ |
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#ifdef CONFIG_EXAMPLE_IGMP_NOMAC |
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mac[0] = 0x00; |
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mac[1] = 0xe0; |
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mac[2] = 0xde; |
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mac[3] = 0xad; |
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mac[4] = 0xbe; |
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mac[5] = 0xef; |
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uip_setmacaddr("eth0", mac); |
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#endif |
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/* Set up our host address */ |
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addr.s_addr = HTONL(CONFIG_EXAMPLE_IGMP_IPADDR); |
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uip_sethostaddr("eth0", &addr); |
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/* Set up the default router address */ |
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addr.s_addr = HTONL(CONFIG_EXAMPLE_IGMP_DRIPADDR); |
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uip_setdraddr("eth0", &addr); |
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/* Setup the subnet mask */ |
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addr.s_addr = HTONL(CONFIG_EXAMPLE_IGMP_NETMASK); |
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uip_setnetmask("eth0", &addr); |
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/* Not much of a test for now */ |
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/* Join the group */ |
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message("Join group...\n"); |
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addr.s_addr = HTONL(CONFIG_EXAMPLE_IGMP_GRPADDR); |
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ipmsfilter("eth0", &addr, MCAST_INCLUDE); |
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/* Wait a while */ |
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message("Wait for timeout...\n"); |
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sleep(5); |
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/* Leave the group */ |
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message("Leave group...\n"); |
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ipmsfilter("eth0", &addr, MCAST_EXCLUDE); |
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/* Wait a while */ |
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sleep(5); |
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message("Exiting...\n"); |
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return 0; |
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}
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