C++ (Cpp) set_socket_reuseaddr Examples

Example #1

File: TCP_server.c Project: isotoxin/toxcore

static sock_t new_listening_TCP_socket(int family, uint16_t port)
{
    sock_t sock = socket(family, SOCK_STREAM, IPPROTO_TCP);

    if (!sock_valid(sock)) {
        return ~0;
    }

    int ok = set_socket_nonblock(sock);

    if (ok && family == AF_INET6) {
        ok = set_socket_dualstack(sock);
    }

    if (ok) {
        ok = set_socket_reuseaddr(sock);
    }

    ok = ok && bind_to_port(sock, family, port) && (listen(sock, TCP_MAX_BACKLOG) == 0);

    if (!ok) {
        kill_sock(sock);
        return ~0;
    }

    return sock;
}

Example #2

File: socket.c Project: kripton/krad_radio-1

static int kr_interweb_server_socket_setup(char *interface, int port) {

    char port_string[6];
    struct addrinfo hints;
    struct addrinfo *result, *rp;
    int s;
    int sfd = 0;
    char *interface_actual;

    interface_actual = interface;

    printk ("Krad Interweb Server: interface: %s port %d", interface, port);
    snprintf (port_string, 6, "%d", port);
    memset (&hints, 0, sizeof (struct addrinfo));
    hints.ai_family = AF_UNSPEC;     /* Return IPv4 and IPv6 choices */
    hints.ai_socktype = SOCK_STREAM; /* We want a TCP socket */
    hints.ai_flags = AI_PASSIVE;     /* All interfaces */
    if ((strlen(interface) == 7) && (strncmp(interface, "0.0.0.0", 7) == 0)) {
        hints.ai_family = AF_INET;
        interface_actual = NULL;
    }
    if ((strlen(interface) == 4) && (strncmp(interface, "[::]", 4) == 0)) {
        hints.ai_family = AF_INET6;
        interface_actual = NULL;
    }
    s = getaddrinfo (interface_actual, port_string, &hints, &result);
    if (s != 0) {
        printke ("getaddrinfo: %s\n", gai_strerror (s));
        return -1;
    }
    for (rp = result; rp != NULL; rp = rp->ai_next) {
        sfd = socket (rp->ai_family, rp->ai_socktype, rp->ai_protocol);
        if (sfd == -1) {
            continue;
        }
        set_socket_reuseaddr(sfd);
        s = bind (sfd, rp->ai_addr, rp->ai_addrlen);
        if (s == 0) {
            /* We managed to bind successfully! */
            break;
        }
        close (sfd);
    }
    if (rp == NULL) {
        printke ("Could not bind %d\n", port);
        return -1;
    }
    freeaddrinfo (result);

    return sfd;
}