diff options
Diffstat (limited to 'vendor/github.com/spf13/jwalterweatherman')
4 files changed, 383 insertions, 0 deletions
diff --git a/vendor/github.com/spf13/jwalterweatherman/LICENSE b/vendor/github.com/spf13/jwalterweatherman/LICENSE new file mode 100644 index 00000000..4527efb9 --- /dev/null +++ b/vendor/github.com/spf13/jwalterweatherman/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2014 Steve Francia + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE.
\ No newline at end of file diff --git a/vendor/github.com/spf13/jwalterweatherman/default_notepad.go b/vendor/github.com/spf13/jwalterweatherman/default_notepad.go new file mode 100644 index 00000000..bcb76340 --- /dev/null +++ b/vendor/github.com/spf13/jwalterweatherman/default_notepad.go @@ -0,0 +1,113 @@ +// Copyright © 2016 Steve Francia <spf@spf13.com>. +// +// Use of this source code is governed by an MIT-style +// license that can be found in the LICENSE file. + +package jwalterweatherman + +import ( + "io" + "io/ioutil" + "log" + "os" +) + +var ( + TRACE *log.Logger + DEBUG *log.Logger + INFO *log.Logger + WARN *log.Logger + ERROR *log.Logger + CRITICAL *log.Logger + FATAL *log.Logger + + LOG *log.Logger + FEEDBACK *Feedback + + defaultNotepad *Notepad +) + +func reloadDefaultNotepad() { + TRACE = defaultNotepad.TRACE + DEBUG = defaultNotepad.DEBUG + INFO = defaultNotepad.INFO + WARN = defaultNotepad.WARN + ERROR = defaultNotepad.ERROR + CRITICAL = defaultNotepad.CRITICAL + FATAL = defaultNotepad.FATAL + + LOG = defaultNotepad.LOG + FEEDBACK = defaultNotepad.FEEDBACK +} + +func init() { + defaultNotepad = NewNotepad(LevelError, LevelWarn, os.Stdout, ioutil.Discard, "", log.Ldate|log.Ltime) + reloadDefaultNotepad() +} + +// SetLogThreshold set the log threshold for the default notepad. Trace by default. +func SetLogThreshold(threshold Threshold) { + defaultNotepad.SetLogThreshold(threshold) + reloadDefaultNotepad() +} + +// SetLogOutput set the log output for the default notepad. Discarded by default. +func SetLogOutput(handle io.Writer) { + defaultNotepad.SetLogOutput(handle) + reloadDefaultNotepad() +} + +// SetStdoutThreshold set the standard output threshold for the default notepad. +// Info by default. +func SetStdoutThreshold(threshold Threshold) { + defaultNotepad.SetStdoutThreshold(threshold) + reloadDefaultNotepad() +} + +// SetPrefix set the prefix for the default logger. Empty by default. +func SetPrefix(prefix string) { + defaultNotepad.SetPrefix(prefix) + reloadDefaultNotepad() +} + +// SetFlags set the flags for the default logger. "log.Ldate | log.Ltime" by default. +func SetFlags(flags int) { + defaultNotepad.SetFlags(flags) + reloadDefaultNotepad() +} + +// Level returns the current global log threshold. +func LogThreshold() Threshold { + return defaultNotepad.logThreshold +} + +// Level returns the current global output threshold. +func StdoutThreshold() Threshold { + return defaultNotepad.stdoutThreshold +} + +// GetStdoutThreshold returns the defined Treshold for the log logger. +func GetLogThreshold() Threshold { + return defaultNotepad.GetLogThreshold() +} + +// GetStdoutThreshold returns the Treshold for the stdout logger. +func GetStdoutThreshold() Threshold { + return defaultNotepad.GetStdoutThreshold() +} + +// LogCountForLevel returns the number of log invocations for a given threshold. +func LogCountForLevel(l Threshold) uint64 { + return defaultNotepad.LogCountForLevel(l) +} + +// LogCountForLevelsGreaterThanorEqualTo returns the number of log invocations +// greater than or equal to a given threshold. +func LogCountForLevelsGreaterThanorEqualTo(threshold Threshold) uint64 { + return defaultNotepad.LogCountForLevelsGreaterThanorEqualTo(threshold) +} + +// ResetLogCounters resets the invocation counters for all levels. +func ResetLogCounters() { + defaultNotepad.ResetLogCounters() +} diff --git a/vendor/github.com/spf13/jwalterweatherman/log_counter.go b/vendor/github.com/spf13/jwalterweatherman/log_counter.go new file mode 100644 index 00000000..11423ac4 --- /dev/null +++ b/vendor/github.com/spf13/jwalterweatherman/log_counter.go @@ -0,0 +1,55 @@ +// Copyright © 2016 Steve Francia <spf@spf13.com>. +// +// Use of this source code is governed by an MIT-style +// license that can be found in the LICENSE file. + +package jwalterweatherman + +import ( + "sync/atomic" +) + +type logCounter struct { + counter uint64 +} + +func (c *logCounter) incr() { + atomic.AddUint64(&c.counter, 1) +} + +func (c *logCounter) resetCounter() { + atomic.StoreUint64(&c.counter, 0) +} + +func (c *logCounter) getCount() uint64 { + return atomic.LoadUint64(&c.counter) +} + +func (c *logCounter) Write(p []byte) (n int, err error) { + c.incr() + return len(p), nil +} + +// LogCountForLevel returns the number of log invocations for a given threshold. +func (n *Notepad) LogCountForLevel(l Threshold) uint64 { + return n.logCounters[l].getCount() +} + +// LogCountForLevelsGreaterThanorEqualTo returns the number of log invocations +// greater than or equal to a given threshold. +func (n *Notepad) LogCountForLevelsGreaterThanorEqualTo(threshold Threshold) uint64 { + var cnt uint64 + + for i := int(threshold); i < len(n.logCounters); i++ { + cnt += n.LogCountForLevel(Threshold(i)) + } + + return cnt +} + +// ResetLogCounters resets the invocation counters for all levels. +func (n *Notepad) ResetLogCounters() { + for _, np := range n.logCounters { + np.resetCounter() + } +} diff --git a/vendor/github.com/spf13/jwalterweatherman/notepad.go b/vendor/github.com/spf13/jwalterweatherman/notepad.go new file mode 100644 index 00000000..ae5aaf71 --- /dev/null +++ b/vendor/github.com/spf13/jwalterweatherman/notepad.go @@ -0,0 +1,194 @@ +// Copyright © 2016 Steve Francia <spf@spf13.com>. +// +// Use of this source code is governed by an MIT-style +// license that can be found in the LICENSE file. + +package jwalterweatherman + +import ( + "fmt" + "io" + "log" +) + +type Threshold int + +func (t Threshold) String() string { + return prefixes[t] +} + +const ( + LevelTrace Threshold = iota + LevelDebug + LevelInfo + LevelWarn + LevelError + LevelCritical + LevelFatal +) + +var prefixes map[Threshold]string = map[Threshold]string{ + LevelTrace: "TRACE", + LevelDebug: "DEBUG", + LevelInfo: "INFO", + LevelWarn: "WARN", + LevelError: "ERROR", + LevelCritical: "CRITICAL", + LevelFatal: "FATAL", +} + +// Notepad is where you leave a note! +type Notepad struct { + TRACE *log.Logger + DEBUG *log.Logger + INFO *log.Logger + WARN *log.Logger + ERROR *log.Logger + CRITICAL *log.Logger + FATAL *log.Logger + + LOG *log.Logger + FEEDBACK *Feedback + + loggers [7]**log.Logger + logHandle io.Writer + outHandle io.Writer + logThreshold Threshold + stdoutThreshold Threshold + prefix string + flags int + + // One per Threshold + logCounters [7]*logCounter +} + +// NewNotepad create a new notepad. +func NewNotepad(outThreshold Threshold, logThreshold Threshold, outHandle, logHandle io.Writer, prefix string, flags int) *Notepad { + n := &Notepad{} + + n.loggers = [7]**log.Logger{&n.TRACE, &n.DEBUG, &n.INFO, &n.WARN, &n.ERROR, &n.CRITICAL, &n.FATAL} + n.outHandle = outHandle + n.logHandle = logHandle + n.stdoutThreshold = outThreshold + n.logThreshold = logThreshold + + if len(prefix) != 0 { + n.prefix = "[" + prefix + "] " + } else { + n.prefix = "" + } + + n.flags = flags + + n.LOG = log.New(n.logHandle, + "LOG: ", + n.flags) + n.FEEDBACK = &Feedback{out: log.New(outHandle, "", 0), log: n.LOG} + + n.init() + return n +} + +// init creates the loggers for each level depending on the notepad thresholds. +func (n *Notepad) init() { + logAndOut := io.MultiWriter(n.outHandle, n.logHandle) + + for t, logger := range n.loggers { + threshold := Threshold(t) + counter := &logCounter{} + n.logCounters[t] = counter + prefix := n.prefix + threshold.String() + " " + + switch { + case threshold >= n.logThreshold && threshold >= n.stdoutThreshold: + *logger = log.New(io.MultiWriter(counter, logAndOut), prefix, n.flags) + + case threshold >= n.logThreshold: + *logger = log.New(io.MultiWriter(counter, n.logHandle), prefix, n.flags) + + case threshold >= n.stdoutThreshold: + *logger = log.New(io.MultiWriter(counter, n.outHandle), prefix, n.flags) + + default: + // counter doesn't care about prefix and flags, so don't use them + // for performance. + *logger = log.New(counter, "", 0) + } + } +} + +// SetLogThreshold changes the threshold above which messages are written to the +// log file. +func (n *Notepad) SetLogThreshold(threshold Threshold) { + n.logThreshold = threshold + n.init() +} + +// SetLogOutput changes the file where log messages are written. +func (n *Notepad) SetLogOutput(handle io.Writer) { + n.logHandle = handle + n.init() +} + +// GetStdoutThreshold returns the defined Treshold for the log logger. +func (n *Notepad) GetLogThreshold() Threshold { + return n.logThreshold +} + +// SetStdoutThreshold changes the threshold above which messages are written to the +// standard output. +func (n *Notepad) SetStdoutThreshold(threshold Threshold) { + n.stdoutThreshold = threshold + n.init() +} + +// GetStdoutThreshold returns the Treshold for the stdout logger. +func (n *Notepad) GetStdoutThreshold() Threshold { + return n.stdoutThreshold +} + +// SetPrefix changes the prefix used by the notepad. Prefixes are displayed between +// brackets at the beginning of the line. An empty prefix won't be displayed at all. +func (n *Notepad) SetPrefix(prefix string) { + if len(prefix) != 0 { + n.prefix = "[" + prefix + "] " + } else { + n.prefix = "" + } + n.init() +} + +// SetFlags choose which flags the logger will display (after prefix and message +// level). See the package log for more informations on this. +func (n *Notepad) SetFlags(flags int) { + n.flags = flags + n.init() +} + +// Feedback writes plainly to the outHandle while +// logging with the standard extra information (date, file, etc). +type Feedback struct { + out *log.Logger + log *log.Logger +} + +func (fb *Feedback) Println(v ...interface{}) { + fb.output(fmt.Sprintln(v...)) +} + +func (fb *Feedback) Printf(format string, v ...interface{}) { + fb.output(fmt.Sprintf(format, v...)) +} + +func (fb *Feedback) Print(v ...interface{}) { + fb.output(fmt.Sprint(v...)) +} + +func (fb *Feedback) output(s string) { + if fb.out != nil { + fb.out.Output(2, s) + } + if fb.log != nil { + fb.log.Output(2, s) + } +} |