// setup sets up the logging middleware.
func setup(c *caddy.Controller) error {
rules, err := logParse(c)
if err != nil {
return err
}
// Open the log files for writing when the server starts
c.OnStartup(func() error {
for i := 0; i < len(rules); i++ {
var err error
var writer io.Writer
if rules[i].OutputFile == "stdout" {
writer = os.Stdout
} else if rules[i].OutputFile == "stderr" {
writer = os.Stderr
} else if rules[i].OutputFile == "syslog" {
writer, err = gsyslog.NewLogger(gsyslog.LOG_INFO, "LOCAL0", "caddy")
if err != nil {
return err
}
} else {
var file *os.File
file, err = os.OpenFile(rules[i].OutputFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
if err != nil {
return err
}
if rules[i].Roller != nil {
file.Close()
rules[i].Roller.Filename = rules[i].OutputFile
writer = rules[i].Roller.GetLogWriter()
} else {
rules[i].file = file
writer = file
}
}
rules[i].Log = log.New(writer, "", 0)
}
return nil
})
// When server stops, close any open log files
c.OnShutdown(func() error {
for _, rule := range rules {
if rule.file != nil {
rule.file.Close()
}
}
return nil
})
httpserver.GetConfig(c).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
return Logger{Next: next, Rules: rules, ErrorFunc: httpserver.DefaultErrorFunc}
})
return nil
}
// setup used internally by Caddy to set up this middleware
func setup(c *caddy.Controller) error {
mc, err := parse(c)
if err != nil {
return err
}
if c.ServerBlockKeyIndex == 0 {
// only run when the first hostname has been loaded.
if mc.maillog, err = mc.maillog.Init(c.ServerBlockKeys...); err != nil {
return err
}
if err = mc.loadFromEnv(); err != nil {
return err
}
if err = mc.loadPGPKeys(); err != nil {
return err
}
if err = mc.loadTemplate(); err != nil {
return err
}
if err = mc.pingSMTP(); err != nil {
return err
}
c.ServerBlockStorage = newHandler(mc, startMailDaemon(mc))
}
c.OnShutdown(func() error {
if moh, ok := c.ServerBlockStorage.(*handler); ok {
if moh.reqPipe != nil {
close(moh.reqPipe)
moh.reqPipe = nil
}
}
return nil
})
fmt.Printf("%#v\n\n", c)
if moh, ok := c.ServerBlockStorage.(*handler); ok { // moh = mailOutHandler ;-)
httpserver.GetConfig(c).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
moh.Next = next
return moh
})
return nil
}
return errors.New("[mailout] Could not create the middleware handler")
}
// setup configures a new errors middleware instance.
func setup(c *caddy.Controller) error {
handler, err := errorsParse(c)
if err != nil {
return err
}
// Open the log file for writing when the server starts
c.OnStartup(func() error {
var err error
var writer io.Writer
switch handler.LogFile {
case "visible":
handler.Debug = true
case "stdout":
writer = os.Stdout
case "stderr":
writer = os.Stderr
case "syslog":
writer, err = gsyslog.NewLogger(gsyslog.LOG_ERR, "LOCAL0", "caddy")
if err != nil {
return err
}
default:
if handler.LogFile == "" {
writer = os.Stderr // default
break
}
var file *os.File
file, err = os.OpenFile(handler.LogFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
if err != nil {
return err
}
if handler.LogRoller != nil {
file.Close()
handler.LogRoller.Filename = handler.LogFile
writer = handler.LogRoller.GetLogWriter()
} else {
handler.file = file
writer = file
}
}
handler.Log = log.New(writer, "", 0)
return nil
})
// When server stops, close any open log file
c.OnShutdown(func() error {
if handler.file != nil {
handler.file.Close()
}
return nil
})
httpserver.GetConfig(c).AddMiddleware(func(next httpserver.Handler) httpserver.Handler {
handler.Next = next
return handler
})
return nil
}