| /**************************************************************************** |
| * examples/igmp/igmp.c |
| * |
| * Copyright (C) 2010-2011, 2018 Gregory Nutt. All rights reserved. |
| * Author: Gregory Nutt <gnutt@nuttx.org> |
| * |
| * 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 NuttX 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 COPYRIGHT HOLDERS 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 |
| * COPYRIGHT OWNER 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. |
| * |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <debug.h> |
| |
| #include <arpa/inet.h> |
| #include <net/if.h> |
| #include <netinet/in.h> |
| |
| #include "netutils/netlib.h" |
| #include "netutils/ipmsfilter.h" |
| |
| #include "igmp.h" |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /* Check if the destination address is a multicast address |
| * |
| * - IPv4: multicast addresses lie in the class D group -- The address range |
| * 224.0.0.0 to 239.255.255.255 (224.0.0.0/4) |
| * |
| * - IPv6 multicast addresses are have the high-order octet of the |
| * addresses=0xff (ff00::/8.) |
| */ |
| |
| #if ((CONFIG_EXAMPLES_IGMP_GRPADDR & 0xffff0000) < 0xe0000000ul) || \ |
| ((CONFIG_EXAMPLES_IGMP_GRPADDR & 0xffff0000) > 0xeffffffful) |
| # error "Bad range for IGMP group address" |
| #endif |
| |
| /**************************************************************************** |
| * Private Data |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Public Functions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * igmp_main |
| ****************************************************************************/ |
| |
| int main(int argc, FAR char *argv[]) |
| { |
| struct in_addr addr; |
| struct in_addr mcast; |
| #if defined(CONFIG_EXAMPLES_IGMP_NOMAC) |
| uint8_t mac[IFHWADDRLEN]; |
| #endif |
| |
| printf("Configuring Ethernet...\n"); |
| |
| /* Many embedded network interfaces must have a software assigned MAC */ |
| |
| #ifdef CONFIG_EXAMPLES_IGMP_NOMAC |
| mac[0] = 0x00; |
| mac[1] = 0xe0; |
| mac[2] = 0xde; |
| mac[3] = 0xad; |
| mac[4] = 0xbe; |
| mac[5] = 0xef; |
| netlib_setmacaddr("eth0", mac); |
| #endif |
| |
| /* Set up our host address */ |
| |
| addr.s_addr = HTONL(CONFIG_EXAMPLES_IGMP_IPADDR); |
| netlib_set_ipv4addr("eth0", &addr); |
| |
| /* Set up the default router address */ |
| |
| addr.s_addr = HTONL(CONFIG_EXAMPLES_IGMP_DRIPADDR); |
| netlib_set_dripv4addr("eth0", &addr); |
| |
| /* Setup the subnet mask */ |
| |
| addr.s_addr = HTONL(CONFIG_EXAMPLES_IGMP_NETMASK); |
| netlib_set_ipv4netmask("eth0", &addr); |
| |
| /* New versions of netlib_set_ipvXaddr will not bring the network up, |
| * So ensure the network is really up at this point. |
| */ |
| |
| netlib_ifup("eth0"); |
| |
| /* Not much of a test for now */ |
| |
| addr.s_addr = HTONL(CONFIG_EXAMPLES_IGMP_IPADDR); |
| mcast.s_addr = HTONL(CONFIG_EXAMPLES_IGMP_GRPADDR); |
| |
| /* Join the group */ |
| |
| printf("Join group...\n"); |
| ipmsfilter(&addr, &mcast, MCAST_INCLUDE); |
| |
| /* Wait a while */ |
| |
| printf("Wait for timeout...\n"); |
| sleep(5); |
| |
| /* Leave the group */ |
| |
| printf("Leave group...\n"); |
| ipmsfilter(&addr, &mcast, MCAST_EXCLUDE); |
| |
| /* Wait a while */ |
| |
| sleep(5); |
| printf("Exiting...\n"); |
| return 0; |
| } |