func Connect(socket *Socket, host string, portno int) (retval int, err error) {
addrs, err := net.LookupHost(host)
if err != nil {
return -1, fmt.Errorf("Unable to connect to the socket: %s", err)
}
resolvedHost := addrs[0]
if socket.af == syscall.AF_INET6 {
resolvedHost = fmt.Sprintf("[%s]", resolvedHost)
}
rsa, salen, err := createSockaddr(resolvedHost, portno)
if err != nil {
return -1, fmt.Errorf("could not convert syscall.Sockaddr to syscall.RawSockaddrAny %s", err)
}
retval = int(C.udt_connect(socket.sock, (*C.struct_sockaddr)(unsafe.Pointer(rsa)),
C.int(salen)))
if retval != 0 {
return retval, udtErrDesc("Unable to connect to the socket")
}
return
}
func (fd *udtFD) connect(raddr *UDTAddr) error {
if err := fd.incref(); err != nil {
return err
}
defer fd.decref()
_, sa, salen, err := raddr.socketArgs()
if err != nil {
return err
}
csa := (*C.struct_sockaddr)(unsafe.Pointer(sa))
if C.udt_connect(fd.sock, csa, C.int(salen)) == C.ERROR {
err := lastError()
return fmt.Errorf("error connecting: %s", err)
}
fd.raddr = raddr
return fd.setAsyncOpts()
}