C++ (Cpp) dn_set_reuseaddr Examples

Example #1

File: dyn_proxy.c Project: hushi55/dynomite

static rstatus_t
proxy_reuse(struct conn *p)
{
    rstatus_t status;
    struct sockaddr_un *un;

    switch (p->family) {
    case AF_INET:
    case AF_INET6:
        status = dn_set_reuseaddr(p->sd);
        break;

    case AF_UNIX:
        /*
         * bind() will fail if the pathname already exist. So, we call unlink()
         * to delete the pathname, in case it already exists. If it does not
         * exist, unlink() returns error, which we ignore
         */
        un = (struct sockaddr_un *) p->addr;
        unlink(un->sun_path);
        status = DN_OK;
        break;

    default:
        NOT_REACHED();
        status = DN_ERROR;
    }

    return status;
}

Example #2

File: dyn_stats.c Project: logikal/dynomite

static rstatus_t
stats_listen(struct stats *st)
{
    rstatus_t status;
    struct sockinfo si;

    status = dn_resolve(&st->addr, st->port, &si);
    if (status < 0) {
        return status;
    }

    st->sd = socket(si.family, SOCK_STREAM, 0);
    if (st->sd < 0) {
        log_error("socket failed: %s", strerror(errno));
        return DN_ERROR;
    }

    status = dn_set_reuseaddr(st->sd);
    if (status < 0) {
        log_error("set reuseaddr on m %d failed: %s", st->sd, strerror(errno));
        return DN_ERROR;
    }

    status = bind(st->sd, (struct sockaddr *)&si.addr, si.addrlen);
    if (status < 0) {
        log_error("bind on m %d to addr '%.*s:%u' failed: %s", st->sd,
                  st->addr.len, st->addr.data, st->port, strerror(errno));
        return DN_ERROR;
    }

    status = listen(st->sd, SOMAXCONN);
    if (status < 0) {
        log_error("listen on m %d failed: %s", st->sd, strerror(errno));
        return DN_ERROR;
    }

    log_debug(LOG_NOTICE, "m %d listening on '%.*s:%u'", st->sd,
              st->addr.len, st->addr.data, st->port);

    return DN_OK;
}