v/vlib/net/errors.v

60 lines
1.8 KiB
V

module net
// Well defined errors that are returned from socket functions
const (
errors_base = 0
err_new_socket_failed = error_with_code('net: new_socket failed to create socket', errors_base+1)
err_option_not_settable = error_with_code('net: set_option_xxx option not settable', errors_base+2)
err_option_wrong_type = error_with_code('net: set_option_xxx option wrong type', errors_base+3)
err_port_out_of_range = error_with_code('', errors_base+5)
err_no_udp_remote = error_with_code('', errors_base+6)
err_connect_failed = error_with_code('net: connect failed', errors_base+7)
err_connect_timed_out = error_with_code('net: connect timed out', errors_base+8)
err_timed_out = error_with_code('net: op timed out', errors_base+9)
err_timed_out_code = errors_base+9
)
pub fn socket_error(potential_code int) ?int {
$if windows {
if potential_code < 0 {
last_error_int := C.WSAGetLastError()
last_error := wsa_error(last_error_int)
return error_with_code('net: socket error: ($last_error_int) $last_error', int(last_error))
}
}
$else {
if potential_code < 0 {
last_error := error_code()
return error_with_code('net: socket error: $last_error', last_error)
}
}
return potential_code
}
pub fn wrap_error(error_code int) ? {
$if windows {
enum_error := wsa_error(error_code)
return error_with_code('net: socket error: $enum_error', error_code)
}
$else {
if error_code == 0 {
return
}
return error_with_code('net: socket error: $error_code', error_code)
}
}
// wrap_read_result takes a read result and sees if it is 0 for graceful
// connection termination and returns none
// e.g. res := wrap_read_result(C.recv(c.sock.handle, buf_ptr, len, 0))?
[inline]
fn wrap_read_result(result int) ?int {
if result > 0 || result < 0 {
return result
}
return none
}