Attachment 251852 Details for Bug 280086 – mcasttest.c

mcasttest.c

mcasttest.c (text/plain), 1.67 KB, created by Gleb Smirnoff on 2024-07-03 21:35:12 UTC

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Creator: Gleb Smirnoff

Created: 2024-07-03 21:35:12 UTC

Size: 1.67 KB

patch

obsolete

>#include <stdio.h>
>#include <stdbool.h>
>#include <unistd.h>
>#include <stdlib.h>
>#include <string.h>
>#include <netdb.h>
>#include <sys/types.h>
>#include <sys/socket.h>
>#include <netinet/in.h>
>#include <arpa/inet.h>
>
>#define IFACE "igb1"
>
>int main(int argc, char **argv)
>{
>        int sockfd;
>        uint8_t buf[1024];
>        struct sockaddr_in serveraddr;
>        struct sockaddr_in clientaddr;
>        struct ip_mreq mreq;
>
>        system("ifconfig " IFACE " 192.168.1.55/24 up");
>
>        sleep(2);
>
>        inet_aton("239.0.0.5", &(mreq.imr_multiaddr));
>        inet_aton("192.168.1.55", & mreq.imr_interface);
>
>        sockfd = socket(AF_INET, SOCK_DGRAM, 0);
>
>        if (sockfd < 0) {
>                perror("Can't create socket");
>                exit(EXIT_FAILURE);
>        }
>
>        bzero((char *)&serveraddr, sizeof(serveraddr));
>        serveraddr.sin_family = AF_INET;
>        inet_aton("192.168.1.55", &serveraddr.sin_addr);
>        serveraddr.sin_port = htons(40960);
>
>        if (bind(sockfd, (struct sockaddr *)&serveraddr,
>                                sizeof(serveraddr)) < 0) {
>                perror("can't bind");
>                exit(EXIT_FAILURE);
>        }
>
>        for (int i = 0; i < 2; i++) {
>
>                printf("Add membership\n");
>                setsockopt(sockfd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(mreq));
>                sleep(2);
>                system("ifmcstat -i " IFACE " -f inet");
>#if 1
>                printf("Drop membership\n");
>                setsockopt(sockfd, IPPROTO_IP, IP_DROP_MEMBERSHIP, &mreq, sizeof(mreq));
>                sleep(2);
>                system("ifmcstat -i " IFACE " -f inet");
>#endif
>        }
>        exit(EXIT_SUCCESS);
>}

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Attachments on bug 280086: 251852