| // Copyright 2015 Google Inc. All rights reserved |
| // |
| // 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 main |
| |
| import ( |
| "bytes" |
| "fmt" |
| "os" |
| "runtime/pprof" |
| "sync" |
| ) |
| |
| var logMu sync.Mutex |
| |
| func LogAlways(f string, a ...interface{}) { |
| var buf bytes.Buffer |
| buf.WriteString("*kati*: ") |
| buf.WriteString(f) |
| buf.WriteByte('\n') |
| logMu.Lock() |
| fmt.Printf(buf.String(), a...) |
| logMu.Unlock() |
| } |
| |
| func LogStats(f string, a ...interface{}) { |
| if !katiLogFlag && !katiStatsFlag { |
| return |
| } |
| LogAlways(f, a...) |
| } |
| |
| func Logf(f string, a ...interface{}) { |
| if !katiLogFlag { |
| return |
| } |
| LogAlways(f, a...) |
| } |
| |
| func Warn(filename string, lineno int, f string, a ...interface{}) { |
| f = fmt.Sprintf("%s:%d: warning: %s\n", filename, lineno, f) |
| fmt.Printf(f, a...) |
| } |
| |
| func WarnNoPrefix(filename string, lineno int, f string, a ...interface{}) { |
| f = fmt.Sprintf("%s:%d: %s\n", filename, lineno, f) |
| fmt.Printf(f, a...) |
| } |
| |
| func Error(filename string, lineno int, f string, a ...interface{}) { |
| f = fmt.Sprintf("%s:%d: %s", filename, lineno, f) |
| maybeWriteHeapProfile() |
| ErrorNoLocation(f, a...) |
| } |
| |
| func ErrorNoLocation(f string, a ...interface{}) { |
| f = fmt.Sprintf("%s\n", f) |
| fmt.Printf(f, a...) |
| if cpuprofile != "" { |
| pprof.StopCPUProfile() |
| } |
| maybeWriteHeapProfile() |
| dumpStats() |
| os.Exit(2) |
| } |