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grpc.go
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/
grpc.go
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//
// Copyright (C) 2019-2024 vdaas.org vald team <vald@vdaas.org>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// You may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Package errors provides error types and function
package errors
var (
// ErrGRPCClientConnectionClose represents a function to generate an error that the gRPC connection couldn't close.
ErrGRPCClientConnectionClose = func(name string, err error) error {
return Wrapf(err, "%s's gRPC connection close error", name)
}
// ErrInvalidGRPCPort represents a function to generate an error that the gRPC port is invalid.
ErrInvalidGRPCPort = func(addr, host string, port uint16) error {
return Errorf("invalid gRPC client connection port to addr: %s,\thost: %s\t port: %d", addr, host, port)
}
// ErrInvalidGRPCClientConn represents a function to generate an error that the vald internal gRPC connection is invalid.
ErrInvalidGRPCClientConn = func(addr string) error {
return Errorf("invalid gRPC client connection to %s", addr)
}
// ErrGRPCLookupIPAddrNotFound represents a function to generate an error that the vald internal gRPC client couldn't find IP address.
ErrGRPCLookupIPAddrNotFound = func(host string) error {
return Errorf("vald internal gRPC client could not find ip addrs for %s", host)
}
// ErrGRPCClientNotFound represents an error that the vald internal gRPC client couldn't find.
ErrGRPCClientNotFound = New("vald internal gRPC client not found")
// ErrGRPCPoolConnectionNotFound represents an error that the vald internal gRPC client pool connection couldn't find.
ErrGRPCPoolConnectionNotFound = New("vald internal gRPC pool connection not found")
// ErrGRPCClientConnNotFound represents a function to generate an error that the gRPC client connection couldn't find.
ErrGRPCClientConnNotFound = func(addr string) error {
return Errorf("gRPC client connection not found in %s", addr)
}
// ErrGRPCClientStreamNotFound represents an error that the vald internal gRPC client couldn't find any gRPC client stream connection.
ErrGRPCClientStreamNotFound = New("vald internal gRPC client gRPC client stream not found")
// ErrRPCCallFailed represents a function to generate an error that the RPC call failed.
ErrRPCCallFailed = func(addr string, err error) error {
return Wrapf(err, "addr: %s", addr)
}
// ErrGRPCTargetAddrNotFound represents an error that the gRPC target address couldn't find.
ErrGRPCTargetAddrNotFound = New("gRPC connection target not found")
// ErrGRPCUnexpectedStatusError represents an error that the gRPC status code is undefined.
ErrGRPCUnexpectedStatusError = func(code string, err error) error {
return Wrapf(err, "unexcepted error detected: code %s", code)
}
// ErrInvalidProtoMessageType represents an error that the gRPC protocol buffers message type is invalid.
ErrInvalidProtoMessageType = func(v interface{}) error {
return Errorf("failed to marshal/unmarshal proto message, message type is %T (missing vtprotobuf/protobuf helpers)", v)
}
// ErrServerStreamClientRecv represents a function to generate an error that the gRPC client couldn't receive from stream.
ErrServerStreamClientRecv = func(err error) error {
return Wrap(err, "gRPC client failed to receive from stream")
}
// ErrServerStreamClientSend represents a function to generate an error that the gRPC server couldn't send to stream.
ErrServerStreamServerSend = func(err error) error {
return Wrap(err, "gRPC server failed to send to stream")
}
)