mirror of
https://github.com/Luzifer/nginx-sso.git
synced 2024-12-21 05:11:17 +00:00
64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
/*
|
|
*
|
|
* Copyright 2018 gRPC authors.
|
|
*
|
|
* 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
|
|
*
|
|
* http://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 envconfig contains grpc settings configured by environment variables.
|
|
package envconfig
|
|
|
|
import (
|
|
"os"
|
|
"strings"
|
|
)
|
|
|
|
const (
|
|
prefix = "GRPC_GO_"
|
|
retryStr = prefix + "RETRY"
|
|
requireHandshakeStr = prefix + "REQUIRE_HANDSHAKE"
|
|
)
|
|
|
|
// RequireHandshakeSetting describes the settings for handshaking.
|
|
type RequireHandshakeSetting int
|
|
|
|
const (
|
|
// RequireHandshakeOn indicates to wait for handshake before considering a
|
|
// connection ready/successful.
|
|
RequireHandshakeOn RequireHandshakeSetting = iota
|
|
// RequireHandshakeOff indicates to not wait for handshake before
|
|
// considering a connection ready/successful.
|
|
RequireHandshakeOff
|
|
)
|
|
|
|
var (
|
|
// Retry is set if retry is explicitly enabled via "GRPC_GO_RETRY=on".
|
|
Retry = strings.EqualFold(os.Getenv(retryStr), "on")
|
|
// RequireHandshake is set based upon the GRPC_GO_REQUIRE_HANDSHAKE
|
|
// environment variable.
|
|
//
|
|
// Will be removed after the 1.18 release.
|
|
RequireHandshake = RequireHandshakeOn
|
|
)
|
|
|
|
func init() {
|
|
switch strings.ToLower(os.Getenv(requireHandshakeStr)) {
|
|
case "on":
|
|
fallthrough
|
|
default:
|
|
RequireHandshake = RequireHandshakeOn
|
|
case "off":
|
|
RequireHandshake = RequireHandshakeOff
|
|
}
|
|
}
|