// Init a new Server object
func New() *Server {
// TODO is two filestores better/worse than sharing w/ smtpd?
ds := smtpd.DefaultFileDataStore()
cfg := config.GetPop3Config()
return &Server{domain: cfg.Domain, dataStore: ds, maxIdleSeconds: cfg.MaxIdleSeconds,
waitgroup: new(sync.WaitGroup)}
}
// New creates a new Server struct
func New(shutdownChan chan bool) *Server {
// Get a new instance of the the FileDataStore - the locking and counting
// mechanisms are both global variables in the smtpd package. If that
// changes in the future, this should be modified to use the same DataStore
// instance.
ds := smtpd.DefaultFileDataStore()
cfg := config.GetPOP3Config()
return &Server{
domain: cfg.Domain,
dataStore: ds,
maxIdleSeconds: cfg.MaxIdleSeconds,
globalShutdown: shutdownChan,
localShutdown: make(chan bool),
waitgroup: new(sync.WaitGroup),
}
}
func main() {
config.VERSION = VERSION
config.BUILD_DATE = BUILD_DATE
flag.Parse()
if *help {
flag.Usage()
return
}
// Load & Parse config
if flag.NArg() != 1 {
flag.Usage()
os.Exit(1)
}
err := config.LoadConfig(flag.Arg(0))
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to parse config: %v\n", err)
os.Exit(1)
}
// Setup signal handler
sigChan := make(chan os.Signal)
signal.Notify(sigChan, syscall.SIGHUP, syscall.SIGTERM)
go signalProcessor(sigChan)
// Configure logging, close std* fds
level, _ := config.Config.String("logging", "level")
log.SetLogLevel(level)
if *logfile != "stderr" {
// stderr is the go logging default
if *logfile == "stdout" {
// set to stdout
golog.SetOutput(os.Stdout)
} else {
err = openLogFile()
if err != nil {
fmt.Fprintf(os.Stderr, "%v", err)
os.Exit(1)
}
defer closeLogFile()
// close std* streams
os.Stdout.Close()
os.Stderr.Close() // Warning: this will hide panic() output
os.Stdin.Close()
os.Stdout = logf
os.Stderr = logf
}
}
log.LogInfo("Inbucket %v (%v) starting...", config.VERSION, config.BUILD_DATE)
// Write pidfile if requested
// TODO: Probably supposed to remove pidfile during shutdown
if *pidfile != "none" {
pidf, err := os.Create(*pidfile)
if err != nil {
log.LogError("Failed to create %v: %v", *pidfile, err)
os.Exit(1)
}
defer pidf.Close()
fmt.Fprintf(pidf, "%v\n", os.Getpid())
}
// Grab our datastore
ds := smtpd.DefaultFileDataStore()
// Start HTTP server
web.Initialize(config.GetWebConfig(), ds)
go web.Start()
// Start POP3 server
pop3Server = pop3d.New()
go pop3Server.Start()
// Startup SMTP server, block until it exits
smtpServer = smtpd.NewSmtpServer(config.GetSmtpConfig(), ds)
smtpServer.Start()
// Wait for active connections to finish
smtpServer.Drain()
pop3Server.Drain()
}