Attachment 1440917 Details for Bug 1582030 – multicast_server.c

multicast_server.c

multicast_server.c (text/x-csrc), 1.06 KB, created by xiywang on 2018-05-24 02:33:20 UTC

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Creator: xiywang

Created: 2018-05-24 02:33:20 UTC

Size: 1.06 KB

patch

obsolete

>#include <sys/types.h>
>#include <sys/socket.h>
>#include <arpa/inet.h>
>#include <netinet/in.h>
>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>#include <unistd.h>
>
>
>#define MCAST_PORT 8888
>#define MCAST_ADDR "224.0.0.88" /*multicast ip*/
>#define MCAST_DATA "Multicast test message!"
>#define MCAST_INTERVAL 3
>
>
>int main(int argc , char *argv[])
>{
>    int s;
>    struct sockaddr_in mcast_addr;
>    s = socket(AF_INET, SOCK_DGRAM, 0);
>    if (s < 0)
>    {
>        perror("Open datagram socket error");
>        exit(1);
>    }
>    else
>    {
>        printf("Opening the datagram socket ...OK\n");
>    }
>
>    memset((char*)&mcast_addr, 0, sizeof(mcast_addr));
>    mcast_addr.sin_family = AF_INET;
>    mcast_addr.sin_addr.s_addr = inet_addr(MCAST_ADDR);
>    mcast_addr.sin_port = htons(MCAST_PORT);
>
>    while (1)
>    {
>        int n = sendto(s, MCAST_DATA, sizeof(MCAST_DATA), 0, (struct sockaddr *)&mcast_addr, sizeof(mcast_addr));
>        if (n < 0)
>        {
>            perror("sendto()");
>            return -2;
>        }
>        sleep(MCAST_INTERVAL);
>    }
>
>    return 0;
>}

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Attachments on bug 1582030: 1440916 | 1440917