C++ (Cpp) x_closesocket Examples

Example #1

File: u_pdreceive.c Project: ailo/pd-mousike

static void udpread(void)
{
    char buf[BUFSIZE];
    int ret = recv(sockfd, buf, BUFSIZE, 0);
    if (ret < 0)
    {
        sockerror("recv (udp)");
        x_closesocket(sockfd);
        exit(1);
    }
    else if (ret > 0)
    {
#ifdef _WIN32
        int j;
        for (j = 0; j < ret; j++)
            putchar(buf[j]);
#else
        if (write(1, buf, ret) < ret)
        {
            perror("write");
            exit(1);
        }
#endif
    }
}

Example #2

File: u_pdreceive.c Project: ailo/pd-mousike

static void rmport(t_fdpoll *x)
{
    int nfd = nfdpoll;
    int i, size = nfdpoll * sizeof(t_fdpoll);
    t_fdpoll *fp;
    for (i = nfdpoll, fp = fdpoll; i--; fp++)
    {
        if (fp == x)
        {
            x_closesocket(fp->fdp_fd);
            free(fp->fdp_outbuf);
            while (i--)
            {
                fp[0] = fp[1];
                fp++;
            }
            fdpoll = (t_fdpoll *)realloc(fdpoll,
                (nfdpoll-1) * sizeof(t_fdpoll));
            nfdpoll--;
            printf("number_connected %d;\n", nfdpoll);
            return;
        }
    }
    fprintf(stderr, "warning: item removed from poll list but not found");
}

Example #3

File: udp_send.c Project: critterandguitari/OSC-SimpleExample

int udp_send_init(void)
{
    int portno, protocol;
    struct sockaddr_in server;
    struct hostent *hp;
    int nretry = 10;
    
    const char *hostname = "127.0.0.1";
//    hostname = "192.168.1.121";
    portno = UDP_SEND_PORT;
    
    protocol = SOCK_DGRAM;

    sockfd = socket(AF_INET, protocol, 0);
    if (sockfd < 0)
    {
        sockerror("socket()");
        return -1;
    }
        /* connect socket using hostname provided in command line */
    server.sin_family = AF_INET;
    hp = gethostbyname(hostname);
    if (hp == 0)
    {
        fprintf(stderr, "%s: unknown host\n", hostname);
        x_closesocket(sockfd);
        return -1;
    }
    memcpy((char *)&server.sin_addr, (char *)hp->h_addr, hp->h_length);

        /* assign client port number */
    server.sin_port = htons((unsigned short)portno);

    /* try to connect.  */
    if (connect(sockfd, (struct sockaddr *) &server, sizeof (server)) < 0)
    {
        sockerror("connect");
        x_closesocket(sockfd);
        return -1;
    }
}

Example #4

File: u_pdreceive.c Project: umlaeute/pure-data

static void udpread(void)
{
    char buf[BUFSIZE];
    int ret = recv(sockfd, buf, BUFSIZE, 0);
    if (ret < 0)
    {
        sockerror("recv (udp)");
        x_closesocket(sockfd);
        exit(1);
    }
    else if (ret > 0)
        makeoutput(buf, ret);
}

Example #5

File: u_pdreceive.c Project: ailo/pd-mousike

int main(int argc, char **argv)
{
    int portno;
    struct sockaddr_in server;
    int nretry = 10;
#ifdef _WIN32
    short version = MAKEWORD(2, 0);
    WSADATA nobby;
#endif
    if (argc < 2 || sscanf(argv[1], "%d", &portno) < 1 || portno <= 0)
        goto usage;
    if (argc >= 3)
    {
        if (!strcmp(argv[2], "tcp"))
            protocol = SOCK_STREAM;
        else if (!strcmp(argv[2], "udp"))
            protocol = SOCK_DGRAM;
        else goto usage;
    }
    else protocol = SOCK_STREAM;
#ifdef _WIN32
    if (WSAStartup(version, &nobby)) sockerror("WSAstartup");
#endif
    sockfd = socket(AF_INET, protocol, 0);
    if (sockfd < 0)
    {
        sockerror("socket()");
        exit(1);
    }
    maxfd = sockfd + 1;
    server.sin_family = AF_INET;
    server.sin_addr.s_addr = INADDR_ANY;

#ifdef IRIX
        /* this seems to work only in IRIX but is unnecessary in
        Linux.  Not sure what MSW needs in place of this. */
    if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, 0, 0) < 0)
        fprintf(stderr, "setsockopt failed\n");
#endif

        /* assign client port number */
    server.sin_port = htons((unsigned short)portno);

        /* name the socket */
    if (bind(sockfd, (struct sockaddr *)&server, sizeof(server)) < 0)
    {
        sockerror("bind");
        x_closesocket(sockfd);
        return (0);
    }
    if (protocol == SOCK_STREAM)
    {
        if (listen(sockfd, 5) < 0)
        {
            sockerror("listen");
            x_closesocket(sockfd);
            exit(1);
        }
    }
        /* now loop forever selecting on sockets */
    while (1)
        dopoll();

usage:
    fprintf(stderr, "usage: pdreceive <portnumber> [udp|tcp]\n");
    fprintf(stderr, "(default is tcp)\n");
    exit(1);
}