glog

package module
v0.7.26 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Jul 26, 2021 License: Apache-2.0 Imports: 23 Imported by: 5

README

使用说明

与官方用法保持一至，也可以配套grpc logserver使用

Documentation

Overview

Package glog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup. It provides functions Info, Warning, Error, Fatal, plus formatting variants such as Infof. It also provides V-style logging controlled by the -v and -vmodule=file=2 flags.

Basic examples: 

glog.Info("Prepare to repel boarders")

glog.Fatalf("Initialization failed: %s", err)

See the documentation for the V function for an explanation of these examples: 

if glog.V(2) {
	glog.Info("Starting transaction...")
}

glog.V(2).Infoln("Processed", nItems, "elements")

Log output is buffered and written periodically using Flush. Programs should call Flush before exiting to guarantee all log output is written.

By default, all log statements write to files in a temporary directory. This package provides several flags that modify this behavior. As a result, flag.Parse must be called before any logging is done. 

-logtostderr=false
	Logs are written to standard error instead of to files.
-alsologtostderr=false
	Logs are written to standard error as well as to files.
-stderrthreshold=ERROR
	Log events at or above this severity are logged to standard
	error as well as to files.
-log_dir=""
	Log files will be written to this directory instead of the
	default temporary directory.

Other flags provide aids to debugging.

-log_backtrace_at=""
	When set to a file and line number holding a logging statement,
	such as
		-log_backtrace_at=gopherflakes.go:234
	a stack trace will be written to the Info log whenever execution
	hits that statement. (Unlike with -vmodule, the ".go" must be
	present.)
-v=0
	Enable V-leveled logging at the specified level.
-vmodule=""
	The syntax of the argument is a comma-separated list of pattern=N,
	where pattern is a literal file name (minus the ".go" suffix) or
	"glob" pattern and N is a V level. For instance,
		-vmodule=gopher*=3
	sets the V level to 3 in all Go files whose names begin "gopher".

Index

Constants

This section is empty.

Variables

View Source 
var MaxSize uint64 = 1024 * 1024 * 1800

MaxSize is the maximum size of a log file in bytes.

View Source 
var Stats struct {
	Info, Warning, Error OutputStats
}

Stats tracks the number of lines of output and number of bytes per severity level. Values must be read with atomic.LoadInt64.

Functions

func CopyStandardLogTo 

func CopyStandardLogTo(name string)

CopyStandardLogTo arranges for messages written to the Go "log" package's default logs to also appear in the Google logs for the named and lower severities. Subsequent changes to the standard log's default output location or format may break this behavior.

Valid names are "INFO", "WARNING", "ERROR", and "FATAL". If the name is not recognized, CopyStandardLogTo panics.

func Error 

func Error(args ...interface{})

Error logs to the ERROR, WARNING, and INFO logs. Arguments are handled in the manner of fmt.Print; a newline is appended if missing.

func ErrorDepth 

func ErrorDepth(depth int, args ...interface{})

ErrorDepth acts as Error but uses depth to determine which call frame to log. ErrorDepth(0, "msg") is the same as Error("msg").

func Errorf 

func Errorf(format string, args ...interface{})

Errorf logs to the ERROR, WARNING, and INFO logs. Arguments are handled in the manner of fmt.Printf; a newline is appended if missing.

func Errorln 

func Errorln(args ...interface{})

Errorln logs to the ERROR, WARNING, and INFO logs. Arguments are handled in the manner of fmt.Println; a newline is appended if missing.

func Exit 

func Exit(args ...interface{})

Exit logs to the FATAL, ERROR, WARNING, and INFO logs, then calls os.Exit(1). Arguments are handled in the manner of fmt.Print; a newline is appended if missing.

func ExitDepth 

func ExitDepth(depth int, args ...interface{})

ExitDepth acts as Exit but uses depth to determine which call frame to log. ExitDepth(0, "msg") is the same as Exit("msg").

func Exitf 

func Exitf(format string, args ...interface{})

Exitf logs to the FATAL, ERROR, WARNING, and INFO logs, then calls os.Exit(1). Arguments are handled in the manner of fmt.Printf; a newline is appended if missing.

func Exitln 

func Exitln(args ...interface{})

Exitln logs to the FATAL, ERROR, WARNING, and INFO logs, then calls os.Exit(1).

func Fatal 

func Fatal(args ...interface{})

Fatal logs to the FATAL, ERROR, WARNING, and INFO logs, including a stack trace of all running goroutines, then calls os.Exit(255). Arguments are handled in the manner of fmt.Print; a newline is appended if missing.

func FatalDepth 

func FatalDepth(depth int, args ...interface{})

FatalDepth acts as Fatal but uses depth to determine which call frame to log. FatalDepth(0, "msg") is the same as Fatal("msg").

func Fatalf 

func Fatalf(format string, args ...interface{})

Fatalf logs to the FATAL, ERROR, WARNING, and INFO logs, including a stack trace of all running goroutines, then calls os.Exit(255). Arguments are handled in the manner of fmt.Printf; a newline is appended if missing.

func Fatalln 

func Fatalln(args ...interface{})

Fatalln logs to the FATAL, ERROR, WARNING, and INFO logs, including a stack trace of all running goroutines, then calls os.Exit(255). Arguments are handled in the manner of fmt.Println; a newline is appended if missing.

func Flush 

func Flush()

Flush flushes all pending log I/O.

func Info 

func Info(args ...interface{})

Info logs to the INFO log. Arguments are handled in the manner of fmt.Print; a newline is appended if missing.

func InfoDepth 

func InfoDepth(depth int, args ...interface{})

InfoDepth acts as Info but uses depth to determine which call frame to log. InfoDepth(0, "msg") is the same as Info("msg").

func Infof 

func Infof(format string, args ...interface{})

Infof logs to the INFO log. Arguments are handled in the manner of fmt.Printf; a newline is appended if missing.

func Infoln 

func Infoln(args ...interface{})

Infoln logs to the INFO log. Arguments are handled in the manner of fmt.Println; a newline is appended if missing.

func RegisterLogServer 

func RegisterLogServer(s *grpc.Server, srv LogServer)

func Warning 

func Warning(args ...interface{})

Warning logs to the WARNING and INFO logs. Arguments are handled in the manner of fmt.Print; a newline is appended if missing.

func WarningDepth 

func WarningDepth(depth int, args ...interface{})

WarningDepth acts as Warning but uses depth to determine which call frame to log. WarningDepth(0, "msg") is the same as Warning("msg").

func Warningf 

func Warningf(format string, args ...interface{})

Warningf logs to the WARNING and INFO logs. Arguments are handled in the manner of fmt.Printf; a newline is appended if missing.

func Warningln 

func Warningln(args ...interface{})

Warningln logs to the WARNING and INFO logs. Arguments are handled in the manner of fmt.Println; a newline is appended if missing.

Types

type AppSetting 

type AppSetting struct {
	LogService struct {
		Appid   string
		Address string
	}
}
var Config AppSetting

type ChMessage 

type ChMessage struct {
	Level    int
	LogModel *LogRequest
}

type Level 

type Level int32

Level specifies a level of verbosity for V logs. *Level implements flag.Value; the -v flag is of type Level and should be modified only through the flag.Value interface.

func (*Level) Get 

func (l *Level) Get() interface{}

Get is part of the flag.Value interface.

func (*Level) Set 

func (l *Level) Set(value string) error

Set is part of the flag.Value interface.

func (*Level) String 

func (l *Level) String() string

String is part of the flag.Value interface.

type LogClient 

type LogClient interface {
	Info(ctx context.Context, in *LogRequest, opts ...grpc.CallOption) (*Reply, error)
	Warn(ctx context.Context, in *LogRequest, opts ...grpc.CallOption) (*Reply, error)
	Error(ctx context.Context, in *LogRequest, opts ...grpc.CallOption) (*Reply, error)
	Fatal(ctx context.Context, in *LogRequest, opts ...grpc.CallOption) (*Reply, error)
}

LogClient is the client API for Log service.

For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.

func NewLogClient 

func NewLogClient(cc *grpc.ClientConn) LogClient

type LogRequest 

type LogRequest struct {
	Appid                string   `protobuf:"bytes,1,opt,name=appid,proto3" json:"appid,omitempty"`
	Thread               int32    `protobuf:"varint,2,opt,name=thread,proto3" json:"thread,omitempty"`
	Stacktrace           string   `protobuf:"bytes,3,opt,name=stacktrace,proto3" json:"stacktrace,omitempty"`
	Logger               string   `protobuf:"bytes,4,opt,name=logger,proto3" json:"logger,omitempty"`
	Message              string   `protobuf:"bytes,5,opt,name=message,proto3" json:"message,omitempty"`
	Exception            string   `protobuf:"bytes,6,opt,name=exception,proto3" json:"exception,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (*LogRequest) Descriptor 

func (*LogRequest) Descriptor() ([]byte, []int)

func (*LogRequest) GetAppid 

func (m *LogRequest) GetAppid() string

func (*LogRequest) GetException 

func (m *LogRequest) GetException() string

func (*LogRequest) GetLogger 

func (m *LogRequest) GetLogger() string

func (*LogRequest) GetMessage 

func (m *LogRequest) GetMessage() string

func (*LogRequest) GetStacktrace 

func (m *LogRequest) GetStacktrace() string

func (*LogRequest) GetThread 

func (m *LogRequest) GetThread() int32

func (*LogRequest) ProtoMessage 

func (*LogRequest) ProtoMessage()

func (*LogRequest) Reset 

func (m *LogRequest) Reset()

func (*LogRequest) String 

func (m *LogRequest) String() string

func (*LogRequest) XXX_DiscardUnknown 

func (m *LogRequest) XXX_DiscardUnknown()

func (*LogRequest) XXX_Marshal 

func (m *LogRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*LogRequest) XXX_Merge 

func (m *LogRequest) XXX_Merge(src proto.Message)

func (*LogRequest) XXX_Size 

func (m *LogRequest) XXX_Size() int

func (*LogRequest) XXX_Unmarshal 

func (m *LogRequest) XXX_Unmarshal(b []byte) error

type LogServer 

type LogServer interface {
	Info(context.Context, *LogRequest) (*Reply, error)
	Warn(context.Context, *LogRequest) (*Reply, error)
	Error(context.Context, *LogRequest) (*Reply, error)
	Fatal(context.Context, *LogRequest) (*Reply, error)
}

LogServer is the server API for Log service.

type OutputStats 

type OutputStats struct {
	// contains filtered or unexported fields
}

OutputStats tracks the number of output lines and bytes written.

func (*OutputStats) Bytes 

func (s *OutputStats) Bytes() int64

Bytes returns the number of bytes written.

func (*OutputStats) Lines 

func (s *OutputStats) Lines() int64

Lines returns the number of lines written.

type Reply 

type Reply struct {
	Code                 int32    `protobuf:"varint,1,opt,name=code,proto3" json:"code,omitempty"`
	Msg                  string   `protobuf:"bytes,2,opt,name=msg,proto3" json:"msg,omitempty"`
	Data                 string   `protobuf:"bytes,3,opt,name=data,proto3" json:"data,omitempty"`
	XXX_NoUnkeyedLiteral struct{} `json:"-"`
	XXX_unrecognized     []byte   `json:"-"`
	XXX_sizecache        int32    `json:"-"`
}

func (*Reply) Descriptor 

func (*Reply) Descriptor() ([]byte, []int)

func (*Reply) GetCode 

func (m *Reply) GetCode() int32

func (*Reply) GetData 

func (m *Reply) GetData() string

func (*Reply) GetMsg 

func (m *Reply) GetMsg() string

func (*Reply) ProtoMessage 

func (*Reply) ProtoMessage()

func (*Reply) Reset 

func (m *Reply) Reset()

func (*Reply) String 

func (m *Reply) String() string

func (*Reply) XXX_DiscardUnknown 

func (m *Reply) XXX_DiscardUnknown()

func (*Reply) XXX_Marshal 

func (m *Reply) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*Reply) XXX_Merge 

func (m *Reply) XXX_Merge(src proto.Message)

func (*Reply) XXX_Size 

func (m *Reply) XXX_Size() int

func (*Reply) XXX_Unmarshal 

func (m *Reply) XXX_Unmarshal(b []byte) error

type UnimplementedLogServer 

type UnimplementedLogServer struct {
}

UnimplementedLogServer can be embedded to have forward compatible implementations.

func (*UnimplementedLogServer) Error 

func (*UnimplementedLogServer) Error(ctx context.Context, req *LogRequest) (*Reply, error)

func (*UnimplementedLogServer) Fatal 

func (*UnimplementedLogServer) Fatal(ctx context.Context, req *LogRequest) (*Reply, error)

func (*UnimplementedLogServer) Info 

func (*UnimplementedLogServer) Info(ctx context.Context, req *LogRequest) (*Reply, error)

func (*UnimplementedLogServer) Warn 

func (*UnimplementedLogServer) Warn(ctx context.Context, req *LogRequest) (*Reply, error)

type Verbose 

type Verbose bool

Verbose is a boolean type that implements Infof (like Printf) etc. See the documentation of V for more information.

func V 

func V(level Level) Verbose

V reports whether verbosity at the call site is at least the requested level. The returned value is a boolean of type Verbose, which implements Info, Infoln and Infof. These methods will write to the Info log if called. Thus, one may write either 

if glog.V(2) { glog.Info("log this") }

or 

glog.V(2).Info("log this")

The second form is shorter but the first is cheaper if logging is off because it does not evaluate its arguments.

Whether an individual call to V generates a log record depends on the setting of the -v and --vmodule flags; both are off by default. If the level in the call to V is at least the value of -v, or of -vmodule for the source file containing the call, the V call will log.

func (Verbose) Info 

func (v Verbose) Info(args ...interface{})

Info is equivalent to the global Info function, guarded by the value of v. See the documentation of V for usage.

func (Verbose) Infof 

func (v Verbose) Infof(format string, args ...interface{})

Infof is equivalent to the global Infof function, guarded by the value of v. See the documentation of V for usage.

func (Verbose) Infoln 

func (v Verbose) Infoln(args ...interface{})

Infoln is equivalent to the global Infoln function, guarded by the value of v. See the documentation of V for usage.

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.