Files
nats-server/gnatsd.go
Derek Collison 122f06816e spelling
2013-08-06 11:24:03 -07:00

92 lines
3.0 KiB
Go

// Copyright 2012 Apcera Inc. All rights reserved.
package main
import (
"flag"
"strings"
"github.com/apcera/gnatsd/server"
)
func main() {
// logging setup
server.LogSetup()
// Server Options
opts := server.Options{}
var showVersion bool
var debugAndTrace bool
var configFile string
// Parse flags
flag.IntVar(&opts.Port, "port", server.DEFAULT_PORT, "Port to listen on.")
flag.IntVar(&opts.Port, "p", server.DEFAULT_PORT, "Port to listen on.")
flag.StringVar(&opts.Host, "addr", server.DEFAULT_HOST, "Network host to listen on.")
flag.StringVar(&opts.Host, "a", server.DEFAULT_HOST, "Network host to listen on.")
flag.StringVar(&opts.Host, "net", server.DEFAULT_HOST, "Network host to listen on.")
flag.BoolVar(&opts.Debug, "D", false, "Enable Debug logging.")
flag.BoolVar(&opts.Debug, "debug", false, "Enable Debug logging.")
flag.BoolVar(&opts.Trace, "V", false, "Enable Trace logging.")
flag.BoolVar(&opts.Trace, "trace", false, "Enable Trace logging.")
flag.BoolVar(&debugAndTrace, "DV", false, "Enable Debug and Trace logging.")
flag.BoolVar(&opts.Logtime, "T", true, "Timestamp log entries.")
flag.BoolVar(&opts.Logtime, "logtime", true, "Timestamp log entries.")
flag.StringVar(&opts.Username, "user", "", "Username required for connection.")
flag.StringVar(&opts.Password, "pass", "", "Password required for connection.")
flag.StringVar(&opts.Authorization, "auth", "", "Authorization token required for connection.")
flag.IntVar(&opts.HttpPort, "m", 0, "HTTP Port for /varz, /connz endpoints.")
flag.IntVar(&opts.HttpPort, "http_port", 0, "HTTP Port for /varz, /connz endpoints.")
flag.StringVar(&configFile, "c", "", "Configuration file.")
flag.StringVar(&configFile, "config", "", "Configuration file.")
flag.StringVar(&opts.PidFile, "P", "", "File to store process pid.")
flag.StringVar(&opts.PidFile, "pid", "", "File to store process pid.")
flag.StringVar(&opts.LogFile, "l", "", "File to store logging output.")
flag.StringVar(&opts.LogFile, "log", "", "File to store logging output.")
flag.BoolVar(&showVersion, "version", false, "Print version information.")
flag.BoolVar(&showVersion, "v", false, "Print version information.")
flag.Usage = server.Usage
flag.Parse()
// Show version and exit
if showVersion {
server.PrintServerAndExit()
}
// One flag can set multiple options.
if debugAndTrace {
opts.Trace, opts.Debug = true, true
}
// Process args looking for non-flag options,
// 'version' and 'help' only for now
for _, arg := range flag.Args() {
switch strings.ToLower(arg) {
case "version":
server.PrintServerAndExit()
case "help":
server.Usage()
}
}
var fileOpts *server.Options
var err error
// Parse config if given
if configFile != "" {
fileOpts, err = server.ProcessConfigFile(configFile)
if err != nil {
server.PrintAndDie(err.Error())
}
}
// Create the server with appropriate options.
s := server.New(server.MergeOptions(fileOpts, &opts))
// Start things up. Block here til done.
s.Start()
}