int getsockopt(int socket, int level, int optname,
void *optval, socklen_t *optlen)
{
int fd;
return (fd_get(socket, &fd) == fd_rsocket) ?
rgetsockopt(fd, level, optname, optval, optlen) :
real.getsockopt(fd, level, optname, optval, optlen);
}
static int client_connect(void)
{
struct addrinfo *res;
struct pollfd fds;
int ret, err;
socklen_t len;
ret = getaddrinfo(dst_addr, port, NULL, &res);
if (ret) {
perror("getaddrinfo");
return ret;
}
rs = rsocket(res->ai_family, res->ai_socktype, res->ai_protocol);
if (rs < 0) {
perror("rsocket");
ret = rs;
goto free;
}
set_options(rs);
/* TODO: bind client to src_addr */
ret = rconnect(rs, res->ai_addr, res->ai_addrlen);
if (ret && (errno != EINPROGRESS)) {
perror("rconnect");
goto close;
}
if (ret && (errno == EINPROGRESS)) {
fds.fd = rs;
fds.events = POLLOUT;
ret = do_poll(&fds, poll_timeout);
if (ret)
goto close;
len = sizeof err;
ret = rgetsockopt(rs, SOL_SOCKET, SO_ERROR, &err, &len);
if (ret)
goto close;
if (err) {
ret = -1;
errno = err;
perror("async rconnect");
}
}
close:
if (ret)
rclose(rs);
free:
freeaddrinfo(res);
return ret;
}
