route/vendor/google.golang.org/grpc/grpclog/logger.go

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2017-01-26 15:51:44 +00:00
/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/*
Package grpclog defines logging for grpc.
*/
package grpclog // import "google.golang.org/grpc/grpclog"
import (
"log"
"os"
)
// Use golang's standard logger by default.
// Access is not mutex-protected: do not modify except in init()
// functions.
var logger Logger = log.New(os.Stderr, "", log.LstdFlags)
// Logger mimics golang's standard Logger as an interface.
type Logger interface {
Fatal(args ...interface{})
Fatalf(format string, args ...interface{})
Fatalln(args ...interface{})
Print(args ...interface{})
Printf(format string, args ...interface{})
Println(args ...interface{})
}
// SetLogger sets the logger that is used in grpc. Call only from
// init() functions.
func SetLogger(l Logger) {
logger = l
}
// Fatal is equivalent to Print() followed by a call to os.Exit() with a non-zero exit code.
func Fatal(args ...interface{}) {
logger.Fatal(args...)
}
// Fatalf is equivalent to Printf() followed by a call to os.Exit() with a non-zero exit code.
func Fatalf(format string, args ...interface{}) {
logger.Fatalf(format, args...)
}
// Fatalln is equivalent to Println() followed by a call to os.Exit()) with a non-zero exit code.
func Fatalln(args ...interface{}) {
logger.Fatalln(args...)
}
// Print prints to the logger. Arguments are handled in the manner of fmt.Print.
func Print(args ...interface{}) {
logger.Print(args...)
}
// Printf prints to the logger. Arguments are handled in the manner of fmt.Printf.
func Printf(format string, args ...interface{}) {
logger.Printf(format, args...)
}
// Println prints to the logger. Arguments are handled in the manner of fmt.Println.
func Println(args ...interface{}) {
logger.Println(args...)
}