text: /*
   *
   * 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...)
  }
  