gf/g/net/gudp/udp.go

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// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://gitee.com/johng/gf.
// UDP服务端
package gudp
import (
"net"
"gitee.com/johng/gf/g/container/gmap"
"gitee.com/johng/gf/g/util/gconv"
)
const (
gDEFAULT_SERVER = "default"
)
// tcp server结构体
type Server struct {
address string
handler func (*net.UDPConn)
}
// Server表用以存储和检索名称与Server对象之间的关联关系
var serverMapping = gmap.NewStringInterfaceMap()
// 获取/创建一个空配置的UDP Server
// 单例模式请保证name的唯一性
func GetServer(name...interface{}) (*Server) {
sname := gDEFAULT_SERVER
if len(name) > 0 {
sname = gconv.String(name[0])
}
if s := serverMapping.Get(sname); s != nil {
return s.(*Server)
}
s := NewServer("", nil)
serverMapping.Set(sname, s)
return s
}
// 创建一个tcp server对象并且可以选择指定一个单例名字
func NewServer (address string, handler func (*net.UDPConn), names...string) *Server {
s := &Server{address, handler}
if len(names) > 0 {
serverMapping.Set(names[0], s)
}
return s
}