package status

import "google.golang.org/grpc/status"

Package status implements errors returned by gRPC. These errors are serialized and transmitted on the wire between server and client, and allow for additional data to be transmitted via the Details field in the status proto. gRPC service handlers should return an error created by this package, and gRPC clients should expect a corresponding error to be returned from the RPC call.

This package upholds the invariants that a non-nil error may not contain an OK code, and an OK code must result in a nil error.

Index ¶

• func Code(err error) codes.Code
• func Error(c codes.Code, msg string) error
• func ErrorProto(s *spb.Status) error
• func Errorf(c codes.Code, format string, a ...interface{}) error
• type Status
• func Convert(err error) *Status
• func FromContextError(err error) *Status
• func FromError(err error) (s *Status, ok bool)
• func FromProto(s *spb.Status) *Status
• func New(c codes.Code, msg string) *Status
• func Newf(c codes.Code, format string, a ...interface{}) *Status

Functions ¶

func Code ¶

func Code(err error) codes.Code

Code returns the Code of the error if it is a Status error, codes.OK if err is nil, or codes.Unknown otherwise.

func Error ¶

func Error(c codes.Code, msg string) error

Error returns an error representing c and msg. If c is OK, returns nil.

func ErrorProto ¶

func ErrorProto(s *spb.Status) error

ErrorProto returns an error representing s. If s.Code is OK, returns nil.

func Errorf ¶

func Errorf(c codes.Code, format string, a ...interface{}) error

Errorf returns Error(c, fmt.Sprintf(format, a...)).

Types ¶

type Status ¶

type Status = status.Status

Status references google.golang.org/grpc/internal/status. It represents an RPC status code, message, and details. It is immutable and should be created with New, Newf, or FromProto. https://godoc.org/google.golang.org/grpc/internal/status

func Convert ¶

func Convert(err error) *Status

Convert is a convenience function which removes the need to handle the boolean return value from FromError.

func FromContextError ¶

func FromContextError(err error) *Status

FromContextError converts a context error into a Status. It returns a Status with codes.OK if err is nil, or a Status with codes.Unknown if err is non-nil and not a context error.

func FromError ¶

func FromError(err error) (s *Status, ok bool)

FromError returns a Status representing err if it was produced by this package or has a method `GRPCStatus() *Status`. If err is nil, a Status is returned with codes.OK and no message. Otherwise, ok is false and a Status is returned with codes.Unknown and the original error message.

func FromProto ¶

func FromProto(s *spb.Status) *Status

FromProto returns a Status representing s.

func New ¶

func New(c codes.Code, msg string) *Status

New returns a Status representing c and msg.

func Newf ¶

func Newf(c codes.Code, format string, a ...interface{}) *Status

Newf returns New(c, fmt.Sprintf(format, a...)).

Source Files ¶

status.go