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