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fatedier
2016-08-11 16:26:21 +08:00
parent c64931fce9
commit 11fe4b1d8b
25 changed files with 1 additions and 178 deletions
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13
vendor/github.com/astaxie/beego/LICENSE generated vendored Normal file
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Copyright 2014 astaxie
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.

63
vendor/github.com/astaxie/beego/logs/README.md generated vendored Normal file
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## logs
logs is a Go logs manager. It can use many logs adapters. The repo is inspired by `database/sql` .
## How to install?
go get github.com/astaxie/beego/logs
## What adapters are supported?
As of now this logs support console, file,smtp and conn.
## How to use it?
First you must import it
import (
"github.com/astaxie/beego/logs"
)
Then init a Log (example with console adapter)
log := NewLogger(10000)
log.SetLogger("console", "")
> the first params stand for how many channel
Use it like this:
log.Trace("trace")
log.Info("info")
log.Warn("warning")
log.Debug("debug")
log.Critical("critical")
## File adapter
Configure file adapter like this:
log := NewLogger(10000)
log.SetLogger("file", `{"filename":"test.log"}`)
## Conn adapter
Configure like this:
log := NewLogger(1000)
log.SetLogger("conn", `{"net":"tcp","addr":":7020"}`)
log.Info("info")
## Smtp adapter
Configure like this:
log := NewLogger(10000)
log.SetLogger("smtp", `{"username":"beegotest@gmail.com","password":"xxxxxxxx","host":"smtp.gmail.com:587","sendTos":["xiemengjun@gmail.com"]}`)
log.Critical("sendmail critical")
time.Sleep(time.Second * 30)

116
vendor/github.com/astaxie/beego/logs/conn.go generated vendored Normal file
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// Copyright 2014 beego Author. 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 logs
import (
"encoding/json"
"io"
"log"
"net"
)
// ConnWriter implements LoggerInterface.
// it writes messages in keep-live tcp connection.
type ConnWriter struct {
lg *log.Logger
innerWriter io.WriteCloser
ReconnectOnMsg bool `json:"reconnectOnMsg"`
Reconnect bool `json:"reconnect"`
Net string `json:"net"`
Addr string `json:"addr"`
Level int `json:"level"`
}
// create new ConnWrite returning as LoggerInterface.
func NewConn() LoggerInterface {
conn := new(ConnWriter)
conn.Level = LevelTrace
return conn
}
// init connection writer with json config.
// json config only need key "level".
func (c *ConnWriter) Init(jsonconfig string) error {
return json.Unmarshal([]byte(jsonconfig), c)
}
// write message in connection.
// if connection is down, try to re-connect.
func (c *ConnWriter) WriteMsg(msg string, level int) error {
if level > c.Level {
return nil
}
if c.neddedConnectOnMsg() {
err := c.connect()
if err != nil {
return err
}
}
if c.ReconnectOnMsg {
defer c.innerWriter.Close()
}
c.lg.Println(msg)
return nil
}
// implementing method. empty.
func (c *ConnWriter) Flush() {
}
// destroy connection writer and close tcp listener.
func (c *ConnWriter) Destroy() {
if c.innerWriter != nil {
c.innerWriter.Close()
}
}
func (c *ConnWriter) connect() error {
if c.innerWriter != nil {
c.innerWriter.Close()
c.innerWriter = nil
}
conn, err := net.Dial(c.Net, c.Addr)
if err != nil {
return err
}
if tcpConn, ok := conn.(*net.TCPConn); ok {
tcpConn.SetKeepAlive(true)
}
c.innerWriter = conn
c.lg = log.New(conn, "", log.Ldate|log.Ltime)
return nil
}
func (c *ConnWriter) neddedConnectOnMsg() bool {
if c.Reconnect {
c.Reconnect = false
return true
}
if c.innerWriter == nil {
return true
}
return c.ReconnectOnMsg
}
func init() {
Register("conn", NewConn)
}

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vendor/github.com/astaxie/beego/logs/console.go generated vendored Normal file
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// Copyright 2014 beego Author. 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 logs
import (
"encoding/json"
"log"
"os"
"runtime"
)
type Brush func(string) string
func NewBrush(color string) Brush {
pre := "\033["
reset := "\033[0m"
return func(text string) string {
return pre + color + "m" + text + reset
}
}
var colors = []Brush{
NewBrush("1;37"), // Emergency white
NewBrush("1;36"), // Alert cyan
NewBrush("1;35"), // Critical magenta
NewBrush("1;31"), // Error red
NewBrush("1;33"), // Warning yellow
NewBrush("1;32"), // Notice green
NewBrush("1;34"), // Informational blue
NewBrush("1;34"), // Debug blue
}
// ConsoleWriter implements LoggerInterface and writes messages to terminal.
type ConsoleWriter struct {
lg *log.Logger
Level int `json:"level"`
}
// create ConsoleWriter returning as LoggerInterface.
func NewConsole() LoggerInterface {
cw := &ConsoleWriter{
lg: log.New(os.Stdout, "", log.Ldate|log.Ltime),
Level: LevelDebug,
}
return cw
}
// init console logger.
// jsonconfig like '{"level":LevelTrace}'.
func (c *ConsoleWriter) Init(jsonconfig string) error {
if len(jsonconfig) == 0 {
return nil
}
return json.Unmarshal([]byte(jsonconfig), c)
}
// write message in console.
func (c *ConsoleWriter) WriteMsg(msg string, level int) error {
if level > c.Level {
return nil
}
if goos := runtime.GOOS; goos == "windows" {
c.lg.Println(msg)
return nil
}
c.lg.Println(colors[level](msg))
return nil
}
// implementing method. empty.
func (c *ConsoleWriter) Destroy() {
}
// implementing method. empty.
func (c *ConsoleWriter) Flush() {
}
func init() {
Register("console", NewConsole)
}

283
vendor/github.com/astaxie/beego/logs/file.go generated vendored Normal file
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// Copyright 2014 beego Author. 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 logs
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"log"
"os"
"path/filepath"
"strings"
"sync"
"time"
)
// FileLogWriter implements LoggerInterface.
// It writes messages by lines limit, file size limit, or time frequency.
type FileLogWriter struct {
*log.Logger
mw *MuxWriter
// The opened file
Filename string `json:"filename"`
Maxlines int `json:"maxlines"`
maxlines_curlines int
// Rotate at size
Maxsize int `json:"maxsize"`
maxsize_cursize int
// Rotate daily
Daily bool `json:"daily"`
Maxdays int64 `json:"maxdays"`
daily_opendate int
Rotate bool `json:"rotate"`
startLock sync.Mutex // Only one log can write to the file
Level int `json:"level"`
}
// an *os.File writer with locker.
type MuxWriter struct {
sync.Mutex
fd *os.File
}
// write to os.File.
func (l *MuxWriter) Write(b []byte) (int, error) {
l.Lock()
defer l.Unlock()
return l.fd.Write(b)
}
// set os.File in writer.
func (l *MuxWriter) SetFd(fd *os.File) {
if l.fd != nil {
l.fd.Close()
}
l.fd = fd
}
// create a FileLogWriter returning as LoggerInterface.
func NewFileWriter() LoggerInterface {
w := &FileLogWriter{
Filename: "",
Maxlines: 1000000,
Maxsize: 1 << 28, //256 MB
Daily: true,
Maxdays: 7,
Rotate: true,
Level: LevelTrace,
}
// use MuxWriter instead direct use os.File for lock write when rotate
w.mw = new(MuxWriter)
// set MuxWriter as Logger's io.Writer
w.Logger = log.New(w.mw, "", log.Ldate|log.Ltime)
return w
}
// Init file logger with json config.
// jsonconfig like:
// {
// "filename":"logs/beego.log",
// "maxlines":10000,
// "maxsize":1<<30,
// "daily":true,
// "maxdays":15,
// "rotate":true
// }
func (w *FileLogWriter) Init(jsonconfig string) error {
err := json.Unmarshal([]byte(jsonconfig), w)
if err != nil {
return err
}
if len(w.Filename) == 0 {
return errors.New("jsonconfig must have filename")
}
err = w.startLogger()
return err
}
// start file logger. create log file and set to locker-inside file writer.
func (w *FileLogWriter) startLogger() error {
fd, err := w.createLogFile()
if err != nil {
return err
}
w.mw.SetFd(fd)
return w.initFd()
}
func (w *FileLogWriter) docheck(size int) {
w.startLock.Lock()
defer w.startLock.Unlock()
if w.Rotate && ((w.Maxlines > 0 && w.maxlines_curlines >= w.Maxlines) ||
(w.Maxsize > 0 && w.maxsize_cursize >= w.Maxsize) ||
(w.Daily && time.Now().Day() != w.daily_opendate)) {
if err := w.DoRotate(); err != nil {
fmt.Fprintf(os.Stderr, "FileLogWriter(%q): %s\n", w.Filename, err)
return
}
}
w.maxlines_curlines++
w.maxsize_cursize += size
}
// write logger message into file.
func (w *FileLogWriter) WriteMsg(msg string, level int) error {
if level > w.Level {
return nil
}
n := 24 + len(msg) // 24 stand for the length "2013/06/23 21:00:22 [T] "
w.docheck(n)
w.Logger.Println(msg)
return nil
}
func (w *FileLogWriter) createLogFile() (*os.File, error) {
// Open the log file
fd, err := os.OpenFile(w.Filename, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0660)
return fd, err
}
func (w *FileLogWriter) initFd() error {
fd := w.mw.fd
finfo, err := fd.Stat()
if err != nil {
return fmt.Errorf("get stat err: %s\n", err)
}
w.maxsize_cursize = int(finfo.Size())
w.daily_opendate = time.Now().Day()
w.maxlines_curlines = 0
if finfo.Size() > 0 {
count, err := w.lines()
if err != nil {
return err
}
w.maxlines_curlines = count
}
return nil
}
func (w *FileLogWriter) lines() (int, error) {
fd, err := os.Open(w.Filename)
if err != nil {
return 0, err
}
defer fd.Close()
buf := make([]byte, 32768) // 32k
count := 0
lineSep := []byte{'\n'}
for {
c, err := fd.Read(buf)
if err != nil && err != io.EOF {
return count, err
}
count += bytes.Count(buf[:c], lineSep)
if err == io.EOF {
break
}
}
return count, nil
}
// DoRotate means it need to write file in new file.
// new file name like xx.log.2013-01-01.2
func (w *FileLogWriter) DoRotate() error {
_, err := os.Lstat(w.Filename)
if err == nil { // file exists
// Find the next available number
num := 1
fname := ""
for ; err == nil && num <= 999; num++ {
fname = w.Filename + fmt.Sprintf(".%s.%03d", time.Now().Format("2006-01-02"), num)
_, err = os.Lstat(fname)
}
// return error if the last file checked still existed
if err == nil {
return fmt.Errorf("Rotate: Cannot find free log number to rename %s\n", w.Filename)
}
// block Logger's io.Writer
w.mw.Lock()
defer w.mw.Unlock()
fd := w.mw.fd
fd.Close()
// close fd before rename
// Rename the file to its newfound home
err = os.Rename(w.Filename, fname)
if err != nil {
return fmt.Errorf("Rotate: %s\n", err)
}
// re-start logger
err = w.startLogger()
if err != nil {
return fmt.Errorf("Rotate StartLogger: %s\n", err)
}
go w.deleteOldLog()
}
return nil
}
func (w *FileLogWriter) deleteOldLog() {
dir := filepath.Dir(w.Filename)
filepath.Walk(dir, func(path string, info os.FileInfo, err error) (returnErr error) {
defer func() {
if r := recover(); r != nil {
returnErr = fmt.Errorf("Unable to delete old log '%s', error: %+v", path, r)
fmt.Println(returnErr)
}
}()
if !info.IsDir() && info.ModTime().Unix() < (time.Now().Unix()-60*60*24*w.Maxdays) {
if strings.HasPrefix(filepath.Base(path), filepath.Base(w.Filename)) {
os.Remove(path)
}
}
return
})
}
// destroy file logger, close file writer.
func (w *FileLogWriter) Destroy() {
w.mw.fd.Close()
}
// flush file logger.
// there are no buffering messages in file logger in memory.
// flush file means sync file from disk.
func (w *FileLogWriter) Flush() {
w.mw.fd.Sync()
}
func init() {
Register("file", NewFileWriter)
}

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// Copyright 2014 beego Author. 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.
// Usage:
//
// import "github.com/astaxie/beego/logs"
//
// log := NewLogger(10000)
// log.SetLogger("console", "")
//
// > the first params stand for how many channel
//
// Use it like this:
//
// log.Trace("trace")
// log.Info("info")
// log.Warn("warning")
// log.Debug("debug")
// log.Critical("critical")
//
// more docs http://beego.me/docs/module/logs.md
package logs
import (
"fmt"
"path"
"runtime"
"sync"
)
// RFC5424 log message levels.
const (
LevelEmergency = iota
LevelAlert
LevelCritical
LevelError
LevelWarning
LevelNotice
LevelInformational
LevelDebug
)
// Legacy loglevel constants to ensure backwards compatibility.
//
// Deprecated: will be removed in 1.5.0.
const (
LevelInfo = LevelInformational
LevelTrace = LevelDebug
LevelWarn = LevelWarning
)
type loggerType func() LoggerInterface
// LoggerInterface defines the behavior of a log provider.
type LoggerInterface interface {
Init(config string) error
WriteMsg(msg string, level int) error
Destroy()
Flush()
}
var adapters = make(map[string]loggerType)
// Register makes a log provide available by the provided name.
// If Register is called twice with the same name or if driver is nil,
// it panics.
func Register(name string, log loggerType) {
if log == nil {
panic("logs: Register provide is nil")
}
if _, dup := adapters[name]; dup {
panic("logs: Register called twice for provider " + name)
}
adapters[name] = log
}
// BeeLogger is default logger in beego application.
// it can contain several providers and log message into all providers.
type BeeLogger struct {
lock sync.Mutex
level int
enableFuncCallDepth bool
loggerFuncCallDepth int
asynchronous bool
msg chan *logMsg
outputs map[string]LoggerInterface
}
type logMsg struct {
level int
msg string
}
// NewLogger returns a new BeeLogger.
// channellen means the number of messages in chan.
// if the buffering chan is full, logger adapters write to file or other way.
func NewLogger(channellen int64) *BeeLogger {
bl := new(BeeLogger)
bl.level = LevelDebug
bl.loggerFuncCallDepth = 2
bl.msg = make(chan *logMsg, channellen)
bl.outputs = make(map[string]LoggerInterface)
return bl
}
func (bl *BeeLogger) Async() *BeeLogger {
bl.asynchronous = true
go bl.startLogger()
return bl
}
// SetLogger provides a given logger adapter into BeeLogger with config string.
// config need to be correct JSON as string: {"interval":360}.
func (bl *BeeLogger) SetLogger(adaptername string, config string) error {
bl.lock.Lock()
defer bl.lock.Unlock()
if log, ok := adapters[adaptername]; ok {
lg := log()
err := lg.Init(config)
bl.outputs[adaptername] = lg
if err != nil {
fmt.Println("logs.BeeLogger.SetLogger: " + err.Error())
return err
}
} else {
return fmt.Errorf("logs: unknown adaptername %q (forgotten Register?)", adaptername)
}
return nil
}
// remove a logger adapter in BeeLogger.
func (bl *BeeLogger) DelLogger(adaptername string) error {
bl.lock.Lock()
defer bl.lock.Unlock()
if lg, ok := bl.outputs[adaptername]; ok {
lg.Destroy()
delete(bl.outputs, adaptername)
return nil
} else {
return fmt.Errorf("logs: unknown adaptername %q (forgotten Register?)", adaptername)
}
}
func (bl *BeeLogger) writerMsg(loglevel int, msg string) error {
lm := new(logMsg)
lm.level = loglevel
if bl.enableFuncCallDepth {
_, file, line, ok := runtime.Caller(bl.loggerFuncCallDepth)
if !ok {
file = "???"
line = 0
}
_, filename := path.Split(file)
lm.msg = fmt.Sprintf("[%s:%d] %s", filename, line, msg)
} else {
lm.msg = msg
}
if bl.asynchronous {
bl.msg <- lm
} else {
for name, l := range bl.outputs {
err := l.WriteMsg(lm.msg, lm.level)
if err != nil {
fmt.Println("unable to WriteMsg to adapter:", name, err)
return err
}
}
}
return nil
}
// Set log message level.
//
// If message level (such as LevelDebug) is higher than logger level (such as LevelWarning),
// log providers will not even be sent the message.
func (bl *BeeLogger) SetLevel(l int) {
bl.level = l
}
// set log funcCallDepth
func (bl *BeeLogger) SetLogFuncCallDepth(d int) {
bl.loggerFuncCallDepth = d
}
// get log funcCallDepth for wrapper
func (bl *BeeLogger) GetLogFuncCallDepth() int {
return bl.loggerFuncCallDepth
}
// enable log funcCallDepth
func (bl *BeeLogger) EnableFuncCallDepth(b bool) {
bl.enableFuncCallDepth = b
}
// start logger chan reading.
// when chan is not empty, write logs.
func (bl *BeeLogger) startLogger() {
for {
select {
case bm := <-bl.msg:
for _, l := range bl.outputs {
err := l.WriteMsg(bm.msg, bm.level)
if err != nil {
fmt.Println("ERROR, unable to WriteMsg:", err)
}
}
}
}
}
// Log EMERGENCY level message.
func (bl *BeeLogger) Emergency(format string, v ...interface{}) {
if LevelEmergency > bl.level {
return
}
msg := fmt.Sprintf("[M] "+format, v...)
bl.writerMsg(LevelEmergency, msg)
}
// Log ALERT level message.
func (bl *BeeLogger) Alert(format string, v ...interface{}) {
if LevelAlert > bl.level {
return
}
msg := fmt.Sprintf("[A] "+format, v...)
bl.writerMsg(LevelAlert, msg)
}
// Log CRITICAL level message.
func (bl *BeeLogger) Critical(format string, v ...interface{}) {
if LevelCritical > bl.level {
return
}
msg := fmt.Sprintf("[C] "+format, v...)
bl.writerMsg(LevelCritical, msg)
}
// Log ERROR level message.
func (bl *BeeLogger) Error(format string, v ...interface{}) {
if LevelError > bl.level {
return
}
msg := fmt.Sprintf("[E] "+format, v...)
bl.writerMsg(LevelError, msg)
}
// Log WARNING level message.
func (bl *BeeLogger) Warning(format string, v ...interface{}) {
if LevelWarning > bl.level {
return
}
msg := fmt.Sprintf("[W] "+format, v...)
bl.writerMsg(LevelWarning, msg)
}
// Log NOTICE level message.
func (bl *BeeLogger) Notice(format string, v ...interface{}) {
if LevelNotice > bl.level {
return
}
msg := fmt.Sprintf("[N] "+format, v...)
bl.writerMsg(LevelNotice, msg)
}
// Log INFORMATIONAL level message.
func (bl *BeeLogger) Informational(format string, v ...interface{}) {
if LevelInformational > bl.level {
return
}
msg := fmt.Sprintf("[I] "+format, v...)
bl.writerMsg(LevelInformational, msg)
}
// Log DEBUG level message.
func (bl *BeeLogger) Debug(format string, v ...interface{}) {
if LevelDebug > bl.level {
return
}
msg := fmt.Sprintf("[D] "+format, v...)
bl.writerMsg(LevelDebug, msg)
}
// Log WARN level message.
// compatibility alias for Warning()
func (bl *BeeLogger) Warn(format string, v ...interface{}) {
if LevelWarning > bl.level {
return
}
msg := fmt.Sprintf("[W] "+format, v...)
bl.writerMsg(LevelWarning, msg)
}
// Log INFO level message.
// compatibility alias for Informational()
func (bl *BeeLogger) Info(format string, v ...interface{}) {
if LevelInformational > bl.level {
return
}
msg := fmt.Sprintf("[I] "+format, v...)
bl.writerMsg(LevelInformational, msg)
}
// Log TRACE level message.
// compatibility alias for Debug()
func (bl *BeeLogger) Trace(format string, v ...interface{}) {
if LevelDebug > bl.level {
return
}
msg := fmt.Sprintf("[D] "+format, v...)
bl.writerMsg(LevelDebug, msg)
}
// flush all chan data.
func (bl *BeeLogger) Flush() {
for _, l := range bl.outputs {
l.Flush()
}
}
// close logger, flush all chan data and destroy all adapters in BeeLogger.
func (bl *BeeLogger) Close() {
for {
if len(bl.msg) > 0 {
bm := <-bl.msg
for _, l := range bl.outputs {
err := l.WriteMsg(bm.msg, bm.level)
if err != nil {
fmt.Println("ERROR, unable to WriteMsg (while closing logger):", err)
}
}
continue
}
break
}
for _, l := range bl.outputs {
l.Flush()
l.Destroy()
}
}

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vendor/github.com/astaxie/beego/logs/smtp.go generated vendored Normal file
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// Copyright 2014 beego Author. 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 logs
import (
"crypto/tls"
"encoding/json"
"fmt"
"net"
"net/smtp"
"strings"
"time"
)
const (
// no usage
// subjectPhrase = "Diagnostic message from server"
)
// smtpWriter implements LoggerInterface and is used to send emails via given SMTP-server.
type SmtpWriter struct {
Username string `json:"Username"`
Password string `json:"password"`
Host string `json:"Host"`
Subject string `json:"subject"`
FromAddress string `json:"fromAddress"`
RecipientAddresses []string `json:"sendTos"`
Level int `json:"level"`
}
// create smtp writer.
func NewSmtpWriter() LoggerInterface {
return &SmtpWriter{Level: LevelTrace}
}
// init smtp writer with json config.
// config like:
// {
// "Username":"example@gmail.com",
// "password:"password",
// "host":"smtp.gmail.com:465",
// "subject":"email title",
// "fromAddress":"from@example.com",
// "sendTos":["email1","email2"],
// "level":LevelError
// }
func (s *SmtpWriter) Init(jsonconfig string) error {
err := json.Unmarshal([]byte(jsonconfig), s)
if err != nil {
return err
}
return nil
}
func (s *SmtpWriter) GetSmtpAuth(host string) smtp.Auth {
if len(strings.Trim(s.Username, " ")) == 0 && len(strings.Trim(s.Password, " ")) == 0 {
return nil
}
return smtp.PlainAuth(
"",
s.Username,
s.Password,
host,
)
}
func (s *SmtpWriter) sendMail(hostAddressWithPort string, auth smtp.Auth, fromAddress string, recipients []string, msgContent []byte) error {
client, err := smtp.Dial(hostAddressWithPort)
if err != nil {
return err
}
host, _, _ := net.SplitHostPort(hostAddressWithPort)
tlsConn := &tls.Config{
InsecureSkipVerify: true,
ServerName: host,
}
if err = client.StartTLS(tlsConn); err != nil {
return err
}
if auth != nil {
if err = client.Auth(auth); err != nil {
return err
}
}
if err = client.Mail(fromAddress); err != nil {
return err
}
for _, rec := range recipients {
if err = client.Rcpt(rec); err != nil {
return err
}
}
w, err := client.Data()
if err != nil {
return err
}
_, err = w.Write([]byte(msgContent))
if err != nil {
return err
}
err = w.Close()
if err != nil {
return err
}
err = client.Quit()
if err != nil {
return err
}
return nil
}
// write message in smtp writer.
// it will send an email with subject and only this message.
func (s *SmtpWriter) WriteMsg(msg string, level int) error {
if level > s.Level {
return nil
}
hp := strings.Split(s.Host, ":")
// Set up authentication information.
auth := s.GetSmtpAuth(hp[0])
// Connect to the server, authenticate, set the sender and recipient,
// and send the email all in one step.
content_type := "Content-Type: text/plain" + "; charset=UTF-8"
mailmsg := []byte("To: " + strings.Join(s.RecipientAddresses, ";") + "\r\nFrom: " + s.FromAddress + "<" + s.FromAddress +
">\r\nSubject: " + s.Subject + "\r\n" + content_type + "\r\n\r\n" + fmt.Sprintf(".%s", time.Now().Format("2006-01-02 15:04:05")) + msg)
return s.sendMail(s.Host, auth, s.FromAddress, s.RecipientAddresses, mailmsg)
}
// implementing method. empty.
func (s *SmtpWriter) Flush() {
return
}
// implementing method. empty.
func (s *SmtpWriter) Destroy() {
return
}
func init() {
Register("smtp", NewSmtpWriter)
}

25
vendor/github.com/docopt/docopt-go/.gitignore generated vendored Normal file
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# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
# coverage droppings
profile.cov

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# Travis CI (http://travis-ci.org/) is a continuous integration
# service for open source projects. This file configures it
# to run unit tests for docopt-go.
language: go
go:
- 1.4
- 1.5
- tip
matrix:
fast_finish: true
before_install:
- go get golang.org/x/tools/cmd/vet
- go get golang.org/x/tools/cmd/cover
- go get github.com/golang/lint/golint
- go get github.com/mattn/goveralls
install:
- go get -d -v ./... && go build -v ./...
script:
- go vet -x ./...
- $HOME/gopath/bin/golint ./...
- go test -v ./...
- go test -covermode=count -coverprofile=profile.cov .
after_script:
- $HOME/gopath/bin/goveralls -coverprofile=profile.cov -service=travis-ci

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The MIT License (MIT)
Copyright (c) 2013 Keith Batten
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.

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docopt-go
=========
[![Build Status](https://travis-ci.org/docopt/docopt.go.svg?branch=master)](https://travis-ci.org/docopt/docopt.go)
[![Coverage Status](https://coveralls.io/repos/docopt/docopt.go/badge.png)](https://coveralls.io/r/docopt/docopt.go)
[![GoDoc](https://godoc.org/github.com/docopt/docopt.go?status.png)](https://godoc.org/github.com/docopt/docopt.go)
An implementation of [docopt](http://docopt.org/) in the
[Go](http://golang.org/) programming language.
**docopt** helps you create *beautiful* command-line interfaces easily:
```go
package main
import (
"fmt"
"github.com/docopt/docopt-go"
)
func main() {
usage := `Naval Fate.
Usage:
naval_fate ship new <name>...
naval_fate ship <name> move <x> <y> [--speed=<kn>]
naval_fate ship shoot <x> <y>
naval_fate mine (set|remove) <x> <y> [--moored|--drifting]
naval_fate -h | --help
naval_fate --version
Options:
-h --help Show this screen.
--version Show version.
--speed=<kn> Speed in knots [default: 10].
--moored Moored (anchored) mine.
--drifting Drifting mine.`
arguments, _ := docopt.Parse(usage, nil, true, "Naval Fate 2.0", false)
fmt.Println(arguments)
}
```
**docopt** parses command-line arguments based on a help message. Don't
write parser code: a good help message already has all the necessary
information in it.
## Installation
⚠ Use the alias “docopt-go”. To use docopt in your Go code:
```go
import "github.com/docopt/docopt-go"
```
To install docopt according to your `$GOPATH`:
```console
$ go get github.com/docopt/docopt-go
```
## API
```go
func Parse(doc string, argv []string, help bool, version string,
optionsFirst bool, exit ...bool) (map[string]interface{}, error)
```
Parse `argv` based on the command-line interface described in `doc`.
Given a conventional command-line help message, docopt creates a parser and
processes the arguments. See
https://github.com/docopt/docopt#help-message-format for a description of the
help message format. If `argv` is `nil`, `os.Args[1:]` is used.
docopt returns a map of option names to the values parsed from `argv`, and an
error or `nil`.
More documentation for docopt is available at
[GoDoc.org](https://godoc.org/github.com/docopt/docopt.go).
## Testing
All tests from the Python version are implemented and passing
at [Travis CI](https://travis-ci.org/docopt/docopt.go). New
language-agnostic tests have been added
to [test_golang.docopt](test_golang.docopt).
To run tests for docopt-go, use `go test`.

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vendor/github.com/docopt/docopt-go/test_golang.docopt generated vendored Normal file
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r"""usage: prog [NAME_-2]..."""
$ prog 10 20
{"NAME_-2": ["10", "20"]}
$ prog 10
{"NAME_-2": ["10"]}
$ prog
{"NAME_-2": []}

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vendor/github.com/docopt/docopt-go/testcases.docopt generated vendored Normal file
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@@ -0,0 +1,957 @@
r"""Usage: prog
"""
$ prog
{}
$ prog --xxx
"user-error"
r"""Usage: prog [options]
Options: -a All.
"""
$ prog
{"-a": false}
$ prog -a
{"-a": true}
$ prog -x
"user-error"
r"""Usage: prog [options]
Options: --all All.
"""
$ prog
{"--all": false}
$ prog --all
{"--all": true}
$ prog --xxx
"user-error"
r"""Usage: prog [options]
Options: -v, --verbose Verbose.
"""
$ prog --verbose
{"--verbose": true}
$ prog --ver
{"--verbose": true}
$ prog -v
{"--verbose": true}
r"""Usage: prog [options]
Options: -p PATH
"""
$ prog -p home/
{"-p": "home/"}
$ prog -phome/
{"-p": "home/"}
$ prog -p
"user-error"
r"""Usage: prog [options]
Options: --path <path>
"""
$ prog --path home/
{"--path": "home/"}
$ prog --path=home/
{"--path": "home/"}
$ prog --pa home/
{"--path": "home/"}
$ prog --pa=home/
{"--path": "home/"}
$ prog --path
"user-error"
r"""Usage: prog [options]
Options: -p PATH, --path=<path> Path to files.
"""
$ prog -proot
{"--path": "root"}
r"""Usage: prog [options]
Options: -p --path PATH Path to files.
"""
$ prog -p root
{"--path": "root"}
$ prog --path root
{"--path": "root"}
r"""Usage: prog [options]
Options:
-p PATH Path to files [default: ./]
"""
$ prog
{"-p": "./"}
$ prog -phome
{"-p": "home"}
r"""UsAgE: prog [options]
OpTiOnS: --path=<files> Path to files
[dEfAuLt: /root]
"""
$ prog
{"--path": "/root"}
$ prog --path=home
{"--path": "home"}
r"""usage: prog [options]
options:
-a Add
-r Remote
-m <msg> Message
"""
$ prog -a -r -m Hello
{"-a": true,
"-r": true,
"-m": "Hello"}
$ prog -armyourass
{"-a": true,
"-r": true,
"-m": "yourass"}
$ prog -a -r
{"-a": true,
"-r": true,
"-m": null}
r"""Usage: prog [options]
Options: --version
--verbose
"""
$ prog --version
{"--version": true,
"--verbose": false}
$ prog --verbose
{"--version": false,
"--verbose": true}
$ prog --ver
"user-error"
$ prog --verb
{"--version": false,
"--verbose": true}
r"""usage: prog [-a -r -m <msg>]
options:
-a Add
-r Remote
-m <msg> Message
"""
$ prog -armyourass
{"-a": true,
"-r": true,
"-m": "yourass"}
r"""usage: prog [-armmsg]
options: -a Add
-r Remote
-m <msg> Message
"""
$ prog -a -r -m Hello
{"-a": true,
"-r": true,
"-m": "Hello"}
r"""usage: prog -a -b
options:
-a
-b
"""
$ prog -a -b
{"-a": true, "-b": true}
$ prog -b -a
{"-a": true, "-b": true}
$ prog -a
"user-error"
$ prog
"user-error"
r"""usage: prog (-a -b)
options: -a
-b
"""
$ prog -a -b
{"-a": true, "-b": true}
$ prog -b -a
{"-a": true, "-b": true}
$ prog -a
"user-error"
$ prog
"user-error"
r"""usage: prog [-a] -b
options: -a
-b
"""
$ prog -a -b
{"-a": true, "-b": true}
$ prog -b -a
{"-a": true, "-b": true}
$ prog -a
"user-error"
$ prog -b
{"-a": false, "-b": true}
$ prog
"user-error"
r"""usage: prog [(-a -b)]
options: -a
-b
"""
$ prog -a -b
{"-a": true, "-b": true}
$ prog -b -a
{"-a": true, "-b": true}
$ prog -a
"user-error"
$ prog -b
"user-error"
$ prog
{"-a": false, "-b": false}
r"""usage: prog (-a|-b)
options: -a
-b
"""
$ prog -a -b
"user-error"
$ prog
"user-error"
$ prog -a
{"-a": true, "-b": false}
$ prog -b
{"-a": false, "-b": true}
r"""usage: prog [ -a | -b ]
options: -a
-b
"""
$ prog -a -b
"user-error"
$ prog
{"-a": false, "-b": false}
$ prog -a
{"-a": true, "-b": false}
$ prog -b
{"-a": false, "-b": true}
r"""usage: prog <arg>"""
$ prog 10
{"<arg>": "10"}
$ prog 10 20
"user-error"
$ prog
"user-error"
r"""usage: prog [<arg>]"""
$ prog 10
{"<arg>": "10"}
$ prog 10 20
"user-error"
$ prog
{"<arg>": null}
r"""usage: prog <kind> <name> <type>"""
$ prog 10 20 40
{"<kind>": "10", "<name>": "20", "<type>": "40"}
$ prog 10 20
"user-error"
$ prog
"user-error"
r"""usage: prog <kind> [<name> <type>]"""
$ prog 10 20 40
{"<kind>": "10", "<name>": "20", "<type>": "40"}
$ prog 10 20
{"<kind>": "10", "<name>": "20", "<type>": null}
$ prog
"user-error"
r"""usage: prog [<kind> | <name> <type>]"""
$ prog 10 20 40
"user-error"
$ prog 20 40
{"<kind>": null, "<name>": "20", "<type>": "40"}
$ prog
{"<kind>": null, "<name>": null, "<type>": null}
r"""usage: prog (<kind> --all | <name>)
options:
--all
"""
$ prog 10 --all
{"<kind>": "10", "--all": true, "<name>": null}
$ prog 10
{"<kind>": null, "--all": false, "<name>": "10"}
$ prog
"user-error"
r"""usage: prog [<name> <name>]"""
$ prog 10 20
{"<name>": ["10", "20"]}
$ prog 10
{"<name>": ["10"]}
$ prog
{"<name>": []}
r"""usage: prog [(<name> <name>)]"""
$ prog 10 20
{"<name>": ["10", "20"]}
$ prog 10
"user-error"
$ prog
{"<name>": []}
r"""usage: prog NAME..."""
$ prog 10 20
{"NAME": ["10", "20"]}
$ prog 10
{"NAME": ["10"]}
$ prog
"user-error"
r"""usage: prog [NAME]..."""
$ prog 10 20
{"NAME": ["10", "20"]}
$ prog 10
{"NAME": ["10"]}
$ prog
{"NAME": []}
r"""usage: prog [NAME...]"""
$ prog 10 20
{"NAME": ["10", "20"]}
$ prog 10
{"NAME": ["10"]}
$ prog
{"NAME": []}
r"""usage: prog [NAME [NAME ...]]"""
$ prog 10 20
{"NAME": ["10", "20"]}
$ prog 10
{"NAME": ["10"]}
$ prog
{"NAME": []}
r"""usage: prog (NAME | --foo NAME)
options: --foo
"""
$ prog 10
{"NAME": "10", "--foo": false}
$ prog --foo 10
{"NAME": "10", "--foo": true}
$ prog --foo=10
"user-error"
r"""usage: prog (NAME | --foo) [--bar | NAME]
options: --foo
options: --bar
"""
$ prog 10
{"NAME": ["10"], "--foo": false, "--bar": false}
$ prog 10 20
{"NAME": ["10", "20"], "--foo": false, "--bar": false}
$ prog --foo --bar
{"NAME": [], "--foo": true, "--bar": true}
r"""Naval Fate.
Usage:
prog ship new <name>...
prog ship [<name>] move <x> <y> [--speed=<kn>]
prog ship shoot <x> <y>
prog mine (set|remove) <x> <y> [--moored|--drifting]
prog -h | --help
prog --version
Options:
-h --help Show this screen.
--version Show version.
--speed=<kn> Speed in knots [default: 10].
--moored Mored (anchored) mine.
--drifting Drifting mine.
"""
$ prog ship Guardian move 150 300 --speed=20
{"--drifting": false,
"--help": false,
"--moored": false,
"--speed": "20",
"--version": false,
"<name>": ["Guardian"],
"<x>": "150",
"<y>": "300",
"mine": false,
"move": true,
"new": false,
"remove": false,
"set": false,
"ship": true,
"shoot": false}
r"""usage: prog --hello"""
$ prog --hello
{"--hello": true}
r"""usage: prog [--hello=<world>]"""
$ prog
{"--hello": null}
$ prog --hello wrld
{"--hello": "wrld"}
r"""usage: prog [-o]"""
$ prog
{"-o": false}
$ prog -o
{"-o": true}
r"""usage: prog [-opr]"""
$ prog -op
{"-o": true, "-p": true, "-r": false}
r"""usage: prog --aabb | --aa"""
$ prog --aa
{"--aabb": false, "--aa": true}
$ prog --a
"user-error" # not a unique prefix
#
# Counting number of flags
#
r"""Usage: prog -v"""
$ prog -v
{"-v": true}
r"""Usage: prog [-v -v]"""
$ prog
{"-v": 0}
$ prog -v
{"-v": 1}
$ prog -vv
{"-v": 2}
r"""Usage: prog -v ..."""
$ prog
"user-error"
$ prog -v
{"-v": 1}
$ prog -vv
{"-v": 2}
$ prog -vvvvvv
{"-v": 6}
r"""Usage: prog [-v | -vv | -vvv]
This one is probably most readable user-friednly variant.
"""
$ prog
{"-v": 0}
$ prog -v
{"-v": 1}
$ prog -vv
{"-v": 2}
$ prog -vvvv
"user-error"
r"""usage: prog [--ver --ver]"""
$ prog --ver --ver
{"--ver": 2}
#
# Counting commands
#
r"""usage: prog [go]"""
$ prog go
{"go": true}
r"""usage: prog [go go]"""
$ prog
{"go": 0}
$ prog go
{"go": 1}
$ prog go go
{"go": 2}
$ prog go go go
"user-error"
r"""usage: prog go..."""
$ prog go go go go go
{"go": 5}
#
# [options] does not include options from usage-pattern
#
r"""usage: prog [options] [-a]
options: -a
-b
"""
$ prog -a
{"-a": true, "-b": false}
$ prog -aa
"user-error"
#
# Test [options] shourtcut
#
r"""Usage: prog [options] A
Options:
-q Be quiet
-v Be verbose.
"""
$ prog arg
{"A": "arg", "-v": false, "-q": false}
$ prog -v arg
{"A": "arg", "-v": true, "-q": false}
$ prog -q arg
{"A": "arg", "-v": false, "-q": true}
#
# Test single dash
#
r"""usage: prog [-]"""
$ prog -
{"-": true}
$ prog
{"-": false}
#
# If argument is repeated, its value should always be a list
#
r"""usage: prog [NAME [NAME ...]]"""
$ prog a b
{"NAME": ["a", "b"]}
$ prog
{"NAME": []}
#
# Option's argument defaults to null/None
#
r"""usage: prog [options]
options:
-a Add
-m <msg> Message
"""
$ prog -a
{"-m": null, "-a": true}
#
# Test options without description
#
r"""usage: prog --hello"""
$ prog --hello
{"--hello": true}
r"""usage: prog [--hello=<world>]"""
$ prog
{"--hello": null}
$ prog --hello wrld
{"--hello": "wrld"}
r"""usage: prog [-o]"""
$ prog
{"-o": false}
$ prog -o
{"-o": true}
r"""usage: prog [-opr]"""
$ prog -op
{"-o": true, "-p": true, "-r": false}
r"""usage: git [-v | --verbose]"""
$ prog -v
{"-v": true, "--verbose": false}
r"""usage: git remote [-v | --verbose]"""
$ prog remote -v
{"remote": true, "-v": true, "--verbose": false}
#
# Test empty usage pattern
#
r"""usage: prog"""
$ prog
{}
r"""usage: prog
prog <a> <b>
"""
$ prog 1 2
{"<a>": "1", "<b>": "2"}
$ prog
{"<a>": null, "<b>": null}
r"""usage: prog <a> <b>
prog
"""
$ prog
{"<a>": null, "<b>": null}
#
# Option's argument should not capture default value from usage pattern
#
r"""usage: prog [--file=<f>]"""
$ prog
{"--file": null}
r"""usage: prog [--file=<f>]
options: --file <a>
"""
$ prog
{"--file": null}
r"""Usage: prog [-a <host:port>]
Options: -a, --address <host:port> TCP address [default: localhost:6283].
"""
$ prog
{"--address": "localhost:6283"}
#
# If option with argument could be repeated,
# its arguments should be accumulated into a list
#
r"""usage: prog --long=<arg> ..."""
$ prog --long one
{"--long": ["one"]}
$ prog --long one --long two
{"--long": ["one", "two"]}
#
# Test multiple elements repeated at once
#
r"""usage: prog (go <direction> --speed=<km/h>)..."""
$ prog go left --speed=5 go right --speed=9
{"go": 2, "<direction>": ["left", "right"], "--speed": ["5", "9"]}
#
# Required options should work with option shortcut
#
r"""usage: prog [options] -a
options: -a
"""
$ prog -a
{"-a": true}
#
# If option could be repeated its defaults should be split into a list
#
r"""usage: prog [-o <o>]...
options: -o <o> [default: x]
"""
$ prog -o this -o that
{"-o": ["this", "that"]}
$ prog
{"-o": ["x"]}
r"""usage: prog [-o <o>]...
options: -o <o> [default: x y]
"""
$ prog -o this
{"-o": ["this"]}
$ prog
{"-o": ["x", "y"]}
#
# Test stacked option's argument
#
r"""usage: prog -pPATH
options: -p PATH
"""
$ prog -pHOME
{"-p": "HOME"}
#
# Issue 56: Repeated mutually exclusive args give nested lists sometimes
#
r"""Usage: foo (--xx=x|--yy=y)..."""
$ prog --xx=1 --yy=2
{"--xx": ["1"], "--yy": ["2"]}
#
# POSIXly correct tokenization
#
r"""usage: prog [<input file>]"""
$ prog f.txt
{"<input file>": "f.txt"}
r"""usage: prog [--input=<file name>]..."""
$ prog --input a.txt --input=b.txt
{"--input": ["a.txt", "b.txt"]}
#
# Issue 85: `[options]` shourtcut with multiple subcommands
#
r"""usage: prog good [options]
prog fail [options]
options: --loglevel=N
"""
$ prog fail --loglevel 5
{"--loglevel": "5", "fail": true, "good": false}
#
# Usage-section syntax
#
r"""usage:prog --foo"""
$ prog --foo
{"--foo": true}
r"""PROGRAM USAGE: prog --foo"""
$ prog --foo
{"--foo": true}
r"""Usage: prog --foo
prog --bar
NOT PART OF SECTION"""
$ prog --foo
{"--foo": true, "--bar": false}
r"""Usage:
prog --foo
prog --bar
NOT PART OF SECTION"""
$ prog --foo
{"--foo": true, "--bar": false}
r"""Usage:
prog --foo
prog --bar
NOT PART OF SECTION"""
$ prog --foo
{"--foo": true, "--bar": false}
#
# Options-section syntax
#
r"""Usage: prog [options]
global options: --foo
local options: --baz
--bar
other options:
--egg
--spam
-not-an-option-
"""
$ prog --baz --egg
{"--foo": false, "--baz": true, "--bar": false, "--egg": true, "--spam": false}

14
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Copyright (c) 2013 Vaughan Newton
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.

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go-ini
======
INI parsing library for Go (golang).
View the API documentation [here](http://godoc.org/github.com/vaughan0/go-ini).
Usage
-----
Parse an INI file:
```go
import "github.com/vaughan0/go-ini"
file, err := ini.LoadFile("myfile.ini")
```
Get data from the parsed file:
```go
name, ok := file.Get("person", "name")
if !ok {
panic("'name' variable missing from 'person' section")
}
```
Iterate through values in a section:
```go
for key, value := range file["mysection"] {
fmt.Printf("%s => %s\n", key, value)
}
```
Iterate through sections in a file:
```go
for name, section := range file {
fmt.Printf("Section name: %s\n", name)
}
```
File Format
-----------
INI files are parsed by go-ini line-by-line. Each line may be one of the following:
* A section definition: [section-name]
* A property: key = value
* A comment: #blahblah _or_ ;blahblah
* Blank. The line will be ignored.
Properties defined before any section headers are placed in the default section, which has
the empty string as it's key.
Example:
```ini
# I am a comment
; So am I!
[apples]
colour = red or green
shape = applish
[oranges]
shape = square
colour = blue
```

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// Package ini provides functions for parsing INI configuration files.
package ini
import (
"bufio"
"fmt"
"io"
"os"
"regexp"
"strings"
)
var (
sectionRegex = regexp.MustCompile(`^\[(.*)\]$`)
assignRegex = regexp.MustCompile(`^([^=]+)=(.*)$`)
)
// ErrSyntax is returned when there is a syntax error in an INI file.
type ErrSyntax struct {
Line int
Source string // The contents of the erroneous line, without leading or trailing whitespace
}
func (e ErrSyntax) Error() string {
return fmt.Sprintf("invalid INI syntax on line %d: %s", e.Line, e.Source)
}
// A File represents a parsed INI file.
type File map[string]Section
// A Section represents a single section of an INI file.
type Section map[string]string
// Returns a named Section. A Section will be created if one does not already exist for the given name.
func (f File) Section(name string) Section {
section := f[name]
if section == nil {
section = make(Section)
f[name] = section
}
return section
}
// Looks up a value for a key in a section and returns that value, along with a boolean result similar to a map lookup.
func (f File) Get(section, key string) (value string, ok bool) {
if s := f[section]; s != nil {
value, ok = s[key]
}
return
}
// Loads INI data from a reader and stores the data in the File.
func (f File) Load(in io.Reader) (err error) {
bufin, ok := in.(*bufio.Reader)
if !ok {
bufin = bufio.NewReader(in)
}
return parseFile(bufin, f)
}
// Loads INI data from a named file and stores the data in the File.
func (f File) LoadFile(file string) (err error) {
in, err := os.Open(file)
if err != nil {
return
}
defer in.Close()
return f.Load(in)
}
func parseFile(in *bufio.Reader, file File) (err error) {
section := ""
lineNum := 0
for done := false; !done; {
var line string
if line, err = in.ReadString('\n'); err != nil {
if err == io.EOF {
done = true
} else {
return
}
}
lineNum++
line = strings.TrimSpace(line)
if len(line) == 0 {
// Skip blank lines
continue
}
if line[0] == ';' || line[0] == '#' {
// Skip comments
continue
}
if groups := assignRegex.FindStringSubmatch(line); groups != nil {
key, val := groups[1], groups[2]
key, val = strings.TrimSpace(key), strings.TrimSpace(val)
file.Section(section)[key] = val
} else if groups := sectionRegex.FindStringSubmatch(line); groups != nil {
name := strings.TrimSpace(groups[1])
section = name
// Create the section if it does not exist
file.Section(section)
} else {
return ErrSyntax{lineNum, line}
}
}
return nil
}
// Loads and returns a File from a reader.
func Load(in io.Reader) (File, error) {
file := make(File)
err := file.Load(in)
return file, err
}
// Loads and returns an INI File from a file on disk.
func LoadFile(filename string) (File, error) {
file := make(File)
err := file.LoadFile(filename)
return file, err
}

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[default]
stuff = things