forked from zentures/surgemq
/
surgemq.go
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/
surgemq.go
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// Copyright (c) 2014 The SurgeMQ Authors. 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 main
import (
"flag"
"log"
"os"
"os/signal"
"runtime/pprof"
"github.com/surge/glog"
"github.com/surgemq/surgemq/service"
)
var (
keepAlive int
connectTimeout int
ackTimeout int
timeoutRetries int
authenticator string
sessionsProvider string
topicsProvider string
cpuprofile string
wsAddr string // HTTPS websocket address eg. :8080
wssAddr string // HTTPS websocket address, eg. :8081
wssCertPath string // path to HTTPS public key
wssKeyPath string // path to HTTPS private key
)
func init() {
flag.IntVar(&keepAlive, "keepalive", service.DefaultKeepAlive, "Keepalive (sec)")
flag.IntVar(&connectTimeout, "connecttimeout", service.DefaultConnectTimeout, "Connect Timeout (sec)")
flag.IntVar(&ackTimeout, "acktimeout", service.DefaultAckTimeout, "Ack Timeout (sec)")
flag.IntVar(&timeoutRetries, "retries", service.DefaultTimeoutRetries, "Timeout Retries")
flag.StringVar(&authenticator, "auth", service.DefaultAuthenticator, "Authenticator Type")
flag.StringVar(&sessionsProvider, "sessions", service.DefaultSessionsProvider, "Session Provider Type")
flag.StringVar(&topicsProvider, "topics", service.DefaultTopicsProvider, "Topics Provider Type")
flag.StringVar(&cpuprofile, "cpuprofile", "", "CPU Profile Filename")
flag.StringVar(&wsAddr, "wsaddr", "", "HTTP websocket address, eg. ':8080'")
flag.StringVar(&wssAddr, "wssaddr", "", "HTTPS websocket address, eg. ':8081'")
flag.StringVar(&wssCertPath, "wsscertpath", "", "HTTPS server public key file")
flag.StringVar(&wssKeyPath, "wsskeypath", "", "HTTPS server private key file")
flag.Parse()
}
func main() {
svr := &service.Server{
KeepAlive: keepAlive,
ConnectTimeout: connectTimeout,
AckTimeout: ackTimeout,
TimeoutRetries: timeoutRetries,
SessionsProvider: sessionsProvider,
TopicsProvider: topicsProvider,
}
var f *os.File
var err error
if cpuprofile != "" {
f, err = os.Create(cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
}
sigchan := make(chan os.Signal, 1)
signal.Notify(sigchan, os.Interrupt, os.Kill)
go func() {
sig := <-sigchan
glog.Errorf("Existing due to trapped signal; %v", sig)
if f != nil {
glog.Errorf("Stopping profile")
pprof.StopCPUProfile()
f.Close()
}
svr.Close()
os.Exit(0)
}()
mqttaddr := "tcp://:1883"
if len(wsAddr) > 0 || len(wssAddr) > 0 {
addr := "tcp://127.0.0.1:1883"
AddWebsocketHandler("/mqtt", addr)
/* start a plain websocket listener */
if len(wsAddr) > 0 {
go ListenAndServeWebsocket(wsAddr)
}
/* start a secure websocket listener */
if len(wssAddr) > 0 && len(wssCertPath) > 0 && len(wssKeyPath) > 0 {
go ListenAndServeWebsocketSecure(wssAddr, wssCertPath, wssKeyPath)
}
}
/* create plain MQTT listener */
err = svr.ListenAndServe(mqttaddr)
if err != nil {
glog.Errorf("surgemq/main: %v", err)
}
}