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|
module net
const (
errors_base = 0
)
// Well defined errors that are returned from socket functions
pub const (
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, voidptr(buf_ptr), len, 0))?
[inline]
fn wrap_read_result(result int) ?int {
if result == 0 {
return none
}
return result
}
[inline]
fn wrap_write_result(result int) ?int {
if result == 0 {
return none
}
return result
}
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