mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-15 11:46:45 +00:00
258 lines
8.1 KiB
Go
258 lines
8.1 KiB
Go
/*
|
|
*
|
|
* Copyright 2017 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 grpclog
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"log"
|
|
"os"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"google.golang.org/grpc/internal/grpclog"
|
|
)
|
|
|
|
// LoggerV2 does underlying logging work for grpclog.
|
|
type LoggerV2 interface {
|
|
// Info logs to INFO log. Arguments are handled in the manner of fmt.Print.
|
|
Info(args ...interface{})
|
|
// Infoln logs to INFO log. Arguments are handled in the manner of fmt.Println.
|
|
Infoln(args ...interface{})
|
|
// Infof logs to INFO log. Arguments are handled in the manner of fmt.Printf.
|
|
Infof(format string, args ...interface{})
|
|
// Warning logs to WARNING log. Arguments are handled in the manner of fmt.Print.
|
|
Warning(args ...interface{})
|
|
// Warningln logs to WARNING log. Arguments are handled in the manner of fmt.Println.
|
|
Warningln(args ...interface{})
|
|
// Warningf logs to WARNING log. Arguments are handled in the manner of fmt.Printf.
|
|
Warningf(format string, args ...interface{})
|
|
// Error logs to ERROR log. Arguments are handled in the manner of fmt.Print.
|
|
Error(args ...interface{})
|
|
// Errorln logs to ERROR log. Arguments are handled in the manner of fmt.Println.
|
|
Errorln(args ...interface{})
|
|
// Errorf logs to ERROR log. Arguments are handled in the manner of fmt.Printf.
|
|
Errorf(format string, args ...interface{})
|
|
// Fatal logs to ERROR log. Arguments are handled in the manner of fmt.Print.
|
|
// gRPC ensures that all Fatal logs will exit with os.Exit(1).
|
|
// Implementations may also call os.Exit() with a non-zero exit code.
|
|
Fatal(args ...interface{})
|
|
// Fatalln logs to ERROR log. Arguments are handled in the manner of fmt.Println.
|
|
// gRPC ensures that all Fatal logs will exit with os.Exit(1).
|
|
// Implementations may also call os.Exit() with a non-zero exit code.
|
|
Fatalln(args ...interface{})
|
|
// Fatalf logs to ERROR log. Arguments are handled in the manner of fmt.Printf.
|
|
// gRPC ensures that all Fatal logs will exit with os.Exit(1).
|
|
// Implementations may also call os.Exit() with a non-zero exit code.
|
|
Fatalf(format string, args ...interface{})
|
|
// V reports whether verbosity level l is at least the requested verbose level.
|
|
V(l int) bool
|
|
}
|
|
|
|
// SetLoggerV2 sets logger that is used in grpc to a V2 logger.
|
|
// Not mutex-protected, should be called before any gRPC functions.
|
|
func SetLoggerV2(l LoggerV2) {
|
|
if _, ok := l.(*componentData); ok {
|
|
panic("cannot use component logger as grpclog logger")
|
|
}
|
|
grpclog.Logger = l
|
|
grpclog.DepthLogger, _ = l.(grpclog.DepthLoggerV2)
|
|
}
|
|
|
|
const (
|
|
// infoLog indicates Info severity.
|
|
infoLog int = iota
|
|
// warningLog indicates Warning severity.
|
|
warningLog
|
|
// errorLog indicates Error severity.
|
|
errorLog
|
|
// fatalLog indicates Fatal severity.
|
|
fatalLog
|
|
)
|
|
|
|
// severityName contains the string representation of each severity.
|
|
var severityName = []string{
|
|
infoLog: "INFO",
|
|
warningLog: "WARNING",
|
|
errorLog: "ERROR",
|
|
fatalLog: "FATAL",
|
|
}
|
|
|
|
// loggerT is the default logger used by grpclog.
|
|
type loggerT struct {
|
|
m []*log.Logger
|
|
v int
|
|
jsonFormat bool
|
|
}
|
|
|
|
// NewLoggerV2 creates a loggerV2 with the provided writers.
|
|
// Fatal logs will be written to errorW, warningW, infoW, followed by exit(1).
|
|
// Error logs will be written to errorW, warningW and infoW.
|
|
// Warning logs will be written to warningW and infoW.
|
|
// Info logs will be written to infoW.
|
|
func NewLoggerV2(infoW, warningW, errorW io.Writer) LoggerV2 {
|
|
return newLoggerV2WithConfig(infoW, warningW, errorW, loggerV2Config{})
|
|
}
|
|
|
|
// NewLoggerV2WithVerbosity creates a loggerV2 with the provided writers and
|
|
// verbosity level.
|
|
func NewLoggerV2WithVerbosity(infoW, warningW, errorW io.Writer, v int) LoggerV2 {
|
|
return newLoggerV2WithConfig(infoW, warningW, errorW, loggerV2Config{verbose: v})
|
|
}
|
|
|
|
type loggerV2Config struct {
|
|
verbose int
|
|
jsonFormat bool
|
|
}
|
|
|
|
func newLoggerV2WithConfig(infoW, warningW, errorW io.Writer, c loggerV2Config) LoggerV2 {
|
|
var m []*log.Logger
|
|
flag := log.LstdFlags
|
|
if c.jsonFormat {
|
|
flag = 0
|
|
}
|
|
m = append(m, log.New(infoW, "", flag))
|
|
m = append(m, log.New(io.MultiWriter(infoW, warningW), "", flag))
|
|
ew := io.MultiWriter(infoW, warningW, errorW) // ew will be used for error and fatal.
|
|
m = append(m, log.New(ew, "", flag))
|
|
m = append(m, log.New(ew, "", flag))
|
|
return &loggerT{m: m, v: c.verbose, jsonFormat: c.jsonFormat}
|
|
}
|
|
|
|
// newLoggerV2 creates a loggerV2 to be used as default logger.
|
|
// All logs are written to stderr.
|
|
func newLoggerV2() LoggerV2 {
|
|
errorW := io.Discard
|
|
warningW := io.Discard
|
|
infoW := io.Discard
|
|
|
|
logLevel := os.Getenv("GRPC_GO_LOG_SEVERITY_LEVEL")
|
|
switch logLevel {
|
|
case "", "ERROR", "error": // If env is unset, set level to ERROR.
|
|
errorW = os.Stderr
|
|
case "WARNING", "warning":
|
|
warningW = os.Stderr
|
|
case "INFO", "info":
|
|
infoW = os.Stderr
|
|
}
|
|
|
|
var v int
|
|
vLevel := os.Getenv("GRPC_GO_LOG_VERBOSITY_LEVEL")
|
|
if vl, err := strconv.Atoi(vLevel); err == nil {
|
|
v = vl
|
|
}
|
|
|
|
jsonFormat := strings.EqualFold(os.Getenv("GRPC_GO_LOG_FORMATTER"), "json")
|
|
|
|
return newLoggerV2WithConfig(infoW, warningW, errorW, loggerV2Config{
|
|
verbose: v,
|
|
jsonFormat: jsonFormat,
|
|
})
|
|
}
|
|
|
|
func (g *loggerT) output(severity int, s string) {
|
|
sevStr := severityName[severity]
|
|
if !g.jsonFormat {
|
|
g.m[severity].Output(2, fmt.Sprintf("%v: %v", sevStr, s))
|
|
return
|
|
}
|
|
// TODO: we can also include the logging component, but that needs more
|
|
// (API) changes.
|
|
b, _ := json.Marshal(map[string]string{
|
|
"severity": sevStr,
|
|
"message": s,
|
|
})
|
|
g.m[severity].Output(2, string(b))
|
|
}
|
|
|
|
func (g *loggerT) Info(args ...interface{}) {
|
|
g.output(infoLog, fmt.Sprint(args...))
|
|
}
|
|
|
|
func (g *loggerT) Infoln(args ...interface{}) {
|
|
g.output(infoLog, fmt.Sprintln(args...))
|
|
}
|
|
|
|
func (g *loggerT) Infof(format string, args ...interface{}) {
|
|
g.output(infoLog, fmt.Sprintf(format, args...))
|
|
}
|
|
|
|
func (g *loggerT) Warning(args ...interface{}) {
|
|
g.output(warningLog, fmt.Sprint(args...))
|
|
}
|
|
|
|
func (g *loggerT) Warningln(args ...interface{}) {
|
|
g.output(warningLog, fmt.Sprintln(args...))
|
|
}
|
|
|
|
func (g *loggerT) Warningf(format string, args ...interface{}) {
|
|
g.output(warningLog, fmt.Sprintf(format, args...))
|
|
}
|
|
|
|
func (g *loggerT) Error(args ...interface{}) {
|
|
g.output(errorLog, fmt.Sprint(args...))
|
|
}
|
|
|
|
func (g *loggerT) Errorln(args ...interface{}) {
|
|
g.output(errorLog, fmt.Sprintln(args...))
|
|
}
|
|
|
|
func (g *loggerT) Errorf(format string, args ...interface{}) {
|
|
g.output(errorLog, fmt.Sprintf(format, args...))
|
|
}
|
|
|
|
func (g *loggerT) Fatal(args ...interface{}) {
|
|
g.output(fatalLog, fmt.Sprint(args...))
|
|
os.Exit(1)
|
|
}
|
|
|
|
func (g *loggerT) Fatalln(args ...interface{}) {
|
|
g.output(fatalLog, fmt.Sprintln(args...))
|
|
os.Exit(1)
|
|
}
|
|
|
|
func (g *loggerT) Fatalf(format string, args ...interface{}) {
|
|
g.output(fatalLog, fmt.Sprintf(format, args...))
|
|
os.Exit(1)
|
|
}
|
|
|
|
func (g *loggerT) V(l int) bool {
|
|
return l <= g.v
|
|
}
|
|
|
|
// DepthLoggerV2 logs at a specified call frame. If a LoggerV2 also implements
|
|
// DepthLoggerV2, the below functions will be called with the appropriate stack
|
|
// depth set for trivial functions the logger may ignore.
|
|
//
|
|
// # Experimental
|
|
//
|
|
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
|
|
// later release.
|
|
type DepthLoggerV2 interface {
|
|
LoggerV2
|
|
// InfoDepth logs to INFO log at the specified depth. Arguments are handled in the manner of fmt.Println.
|
|
InfoDepth(depth int, args ...interface{})
|
|
// WarningDepth logs to WARNING log at the specified depth. Arguments are handled in the manner of fmt.Println.
|
|
WarningDepth(depth int, args ...interface{})
|
|
// ErrorDepth logs to ERROR log at the specified depth. Arguments are handled in the manner of fmt.Println.
|
|
ErrorDepth(depth int, args ...interface{})
|
|
// FatalDepth logs to FATAL log at the specified depth. Arguments are handled in the manner of fmt.Println.
|
|
FatalDepth(depth int, args ...interface{})
|
|
}
|