// Start 启动Http服务,开始端口监听和服务处理
func (self *HttpService) Start() bool {
self.Lock()
defer self.Unlock()
c.Infof("Listen at %s", self.Conf.Addr)
ln, err := net.Listen("tcp", self.Conf.Addr)
if err != nil {
c.Errorf("Listen at %s fail,error:%v", self.Conf.Addr, err)
return false
}
tcpListener := tcpKeepAliveListener{ln.(*net.TCPListener)}
if self.Conf.MaxConns > 0 {
self.listener = netutil.LimitListener(tcpListener, self.Conf.MaxConns)
} else {
self.listener = tcpListener
}
self.graceHandler.waitGroup.Add(1)
go func() {
defer self.graceHandler.waitGroup.Done()
err := self.server.Serve(self.listener)
if err != nil {
c.Errorf("server.Serve return with error:%v", err)
}
}()
return true
}
//在事务中执行
func (op *DBOper) DoInTrans(operation DBOperTxFunc) (rt interface{}, err error) {
if err := op.BeginTx(); err != nil {
return nil, err
}
var succ = false
//结束事务
defer func() {
if !succ {
op.SetRollbackOnly(true)
}
transErr := op.finishTrans()
if transErr != nil {
c.Errorf("Finish transaction erro:%v", transErr)
rt = nil
err = transErr
}
}()
rt, err = operation(op.tx)
if err != nil {
c.Errorf("Operation fail:%v", err)
succ = false
} else {
succ = true
}
return
}
// Stop 停止Http服务,关闭端口监听和服务处理
func (self *HttpService) Stop() bool {
self.Lock()
defer self.Unlock()
if self.listener != nil {
if err := self.listener.Close(); err != nil {
c.Errorf("Close listener error:%v", err)
}
}
//等待所有的服务
c.Infof("Waiting shutdown")
self.graceHandler.waitGroup.Wait()
c.Infof("Finish shutdown")
self.listener = nil
self.graceHandler = nil
self.server = nil
self.serveMux = nil
return true
}