/
tls_server.go
167 lines (140 loc) · 3.72 KB
/
tls_server.go
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// Copyright 2014, Shuhei Tanuma. All rights reserved.
// Use of this source code is governed by a MIT license
// that can be found in the LICENSE file.
package server
import (
"fmt"
. "github.com/chobie/momonga/common"
"github.com/chobie/momonga/configuration"
log "github.com/chobie/momonga/logger"
"net"
"os"
"strings"
"sync"
"time"
"crypto/tls"
)
type TlsServer struct {
ListenAddress string
Engine *Momonga
config *configuration.Config
stop chan bool
listener Listener
inherit bool
wg *sync.WaitGroup
once sync.Once
tlsConfig *tls.Config
}
func NewTlsServer(engine *Momonga, config *configuration.Config, inherit bool) *TlsServer {
t := &TlsServer{
Engine: engine,
ListenAddress: config.GetTlsListenAddress(),
config: config,
stop: make(chan bool, 1),
inherit: inherit,
}
return t
}
func (self *TlsServer) ListenAndServe() error {
if self.inherit {
file := os.NewFile(uintptr(3), "sock")
tmp, err := net.FileListener(file)
file.Close()
if err != nil {
log.Error("Error: %s", err)
return nil
}
cert, err := tls.LoadX509KeyPair(self.config.Server.Certfile, self.config.Server.Keyfile)
if err != nil {
panic(fmt.Sprintf("LoadX509KeyPair error: %s", err))
}
config := &tls.Config{Certificates: []tls.Certificate{cert}}
self.tlsConfig = config
// TODO: IS THIS CORRECT?
listener := tmp.(net.Listener)
self.listener = &MyListener{Listener: listener}
} else {
cert, err := tls.LoadX509KeyPair(self.config.Server.Certfile, self.config.Server.Keyfile)
if err != nil {
panic(fmt.Sprintf("LoadX509KeyPair error: %s", err))
}
config := &tls.Config{Certificates: []tls.Certificate{cert}}
listener, err := tls.Listen("tcp", self.ListenAddress, config)
self.tlsConfig = config
if err != nil {
panic(fmt.Sprintf("Error: %s", err))
}
self.listener = &MyListener{Listener: listener}
}
log.Info("momonga_tls: started tls server: %s", self.listener.Addr().String())
for i := 0; i < self.config.GetAcceptorCount(); i++ {
go self.Serve(self.listener)
}
return nil
}
func (self *TlsServer) Serve(l net.Listener) error {
defer func() {
l.Close()
}()
var tempDelay time.Duration // how long to sleep on accept failure
Accept:
for {
select {
case <-self.stop:
break Accept
default:
client, err := l.Accept()
if err != nil {
if v, ok := client.(*net.TCPConn); ok {
v.SetNoDelay(true)
v.SetKeepAlive(true)
}
if ne, ok := err.(net.Error); ok && ne.Temporary() {
if tempDelay == 0 {
tempDelay = 5 * time.Millisecond
} else {
tempDelay *= 2
}
if max := 1 * time.Second; tempDelay > max {
tempDelay = max
}
log.Info("momonga: Accept error: %v; retrying in %v", err, tempDelay)
time.Sleep(tempDelay)
continue
}
if strings.Contains(err.Error(), "use of closed network connection") {
log.Error("Accept Failed: %s", err)
continue
}
log.Error("Accept Error: %s", err)
return err
}
tempDelay = 0
myconf := GetDefaultMyConfig()
myconf.MaxMessageSize = self.Engine.Config().Server.MessageSizeLimit
conn := NewMyConnection(myconf)
conn.SetMyConnection(client)
conn.SetId(client.RemoteAddr().String())
log.Debug("Accepted: %s", conn.GetId())
go self.Engine.HandleConnection(conn)
}
}
self.listener.(*MyListener).wg.Wait()
self.once.Do(func() {
self.wg.Done()
})
return nil
}
func (self *TlsServer) Stop() {
close(self.stop)
self.listener.Close()
}
func (self *TlsServer) Graceful() {
log.Info("stop new accepting")
close(self.stop)
self.listener.Close()
}
func (self *TlsServer) Listener() Listener {
log.Info("LIS: %#v\n", self.listener)
return self.listener
}