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main.go
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main.go
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// Package server executable file
package main
import (
"fmt"
"time"
"github.com/CocoKelam/tcpx/examples/sayHello/server/pb"
"github.com/fwhezfwhez/errorx"
"github.com/CocoKelam/tcpx"
//"tcpx"
)
func main() {
srv := tcpx.NewTcpX(tcpx.JsonMarshaller{})
srv.BeforeExit(func() {
fmt.Println("server stops")
})
// If mode is DEBUG, error in framework will log with error spot and time in detail
// tcpx.SetLogMode(tcpx.DEBUG)
srv.OnClose = OnClose
srv.OnConnect = OnConnect
srv.ClientHBMode(true, 5*time.Second)
//srv.AddHandler(-1, func(c *tcpx.Context) {
// fmt.Println("receive heartbeat:", c.Stream)
// fmt.Println(c.RawStream())
// c.RecvHeartBeat()
//})
srv.RewriteClientHBHandler(20, func(c *tcpx.Context) {
fmt.Println("rewrite heartbeat and receive from client")
})
srv.Use("middleware1", Middleware1, "middleware2", Middleware2)
// Mux routine and OnMessage callback can't meet .
// When OnMessage is not nil, routes will lose effect.
// When srv.OnMessage has set, srv.AddHandler() makes no sense, it means user wants to handle raw message stream by self.
// Besides, if OnMessage is not nil, middlewares of global type(by srv.UseGlobal) and anchor type(by srv.Use, srv.UnUse)
// will all be executed regardless of an anchor type middleware being unUsed or not.
// srv.OnMessage = OnMessage
srv.UseGlobal(MiddlewareGlobal)
//srv.Use("middleware1", Middleware1, "middleware2", Middleware2)
srv.AddHandler(1, SayHello)
srv.UnUse("middleware2")
srv.AddHandler(3, SayGoodBye)
srv.AddHandler(5, Middleware3, SayName)
srv.AddHandler(11, SayHelloProtobuf)
// tcp
go func() {
fmt.Println("tcp srv listen on 7171")
if e := srv.ListenAndServe("tcp", ":7171"); e != nil {
panic(e)
}
}()
// udp
go func() {
fmt.Println("udp srv listen on 7172")
if e := srv.ListenAndServe("udp", ":7172"); e != nil {
panic(e)
}
}()
// kcp
go func() {
fmt.Println("kcp srv listen on 7173")
if e := srv.ListenAndServe("kcp", ":7173"); e != nil {
panic(e)
}
}()
select {}
}
func OnConnect(c *tcpx.Context) {
fmt.Println(fmt.Sprintf("connecting from remote host %s network %s", c.ClientIP(), c.Network()))
}
func OnClose(c *tcpx.Context) {
fmt.Println(fmt.Sprintf("connecting from remote host %s network %s has stoped", c.ClientIP(), c.Network()))
}
var packx = tcpx.NewPackx(tcpx.JsonMarshaller{})
func OnMessage(c *tcpx.Context) {
type ServiceA struct {
Username string `json:"username"`
}
type ServiceB struct {
ServiceName string `json:"service_name" toml:"service_name" yaml:"service_name"`
}
messageID, e := packx.MessageIDOf(c.Stream)
if e != nil {
fmt.Println(errorx.Wrap(e).Error())
return
}
switch messageID {
case 7:
var serviceA ServiceA
// block, e := packx.Unpack(c.Stream, &serviceA)
block, e := c.Bind(&serviceA)
fmt.Println(block, e)
c.Reply(8, "success")
case 9:
var serviceB ServiceB
//block, e := packx.Unpack(c.Stream, &serviceB)
block, e := c.Bind(&serviceB)
fmt.Println(block, e)
c.JSON(10, "success")
}
}
func SayHello(c *tcpx.Context) {
var messageFromClient string
var messageInfo tcpx.Message
messageInfo, e := c.Bind(&messageFromClient)
if e != nil {
panic(e)
}
fmt.Println("receive messageID:", messageInfo.MessageID)
fmt.Println("receive header:", messageInfo.Header)
fmt.Println("receive body:", messageInfo.Body)
var responseMessageID int32 = 2
e = c.Reply(responseMessageID, "hello")
fmt.Println("reply:", "hello")
if e != nil {
fmt.Println(e.Error())
}
}
func SayGoodBye(c *tcpx.Context) {
var messageFromClient string
var messageInfo tcpx.Message
messageInfo, e := c.Bind(&messageFromClient)
if e != nil {
panic(e)
}
fmt.Println("receive messageID:", messageInfo.MessageID)
fmt.Println("receive header:", messageInfo.Header)
fmt.Println("receive body:", messageInfo.Body)
var responseMessageID int32 = 4
e = c.Reply(responseMessageID, "bye")
fmt.Println("reply:", "bye")
if e != nil {
fmt.Println(e.Error())
}
}
func SayName(c *tcpx.Context) {
var messageFromClient string
var messageInfo tcpx.Message
messageInfo, e := c.Bind(&messageFromClient)
if e != nil {
panic(e)
}
fmt.Println("receive messageID:", messageInfo.MessageID)
fmt.Println("receive header:", messageInfo.Header)
fmt.Println("receive body:", messageInfo.Body)
var responseMessageID int32 = 6
e = c.Reply(responseMessageID, "my name is tcpx")
fmt.Println("reply:", "my name is tcpx")
if e != nil {
fmt.Println(e.Error())
}
}
func SayHelloProtobuf(c *tcpx.Context) {
var req pb.SayHelloRequest
var resp pb.SayHelloReponse
// proto.Unmarshal(nil, &req)
messageInfo, e := c.BindWithMarshaller(&req, tcpx.ProtobufMarshaller{})
if e != nil {
fmt.Println(errorx.Wrap(e).Error())
return
}
fmt.Println("receive messageID:", messageInfo.MessageID)
fmt.Println("receive header:", messageInfo.Header)
fmt.Println("receive body:", messageInfo.Body)
var responseMessageID int32 = 12
resp.Message = "hello,I am tcpx"
fmt.Println("reply:", resp)
e = c.ProtoBuf(responseMessageID, &resp)
if e != nil {
fmt.Println(e.Error())
}
}
func Middleware1(c *tcpx.Context) {
fmt.Println("I am middleware 1 exampled by 'srv.Use(\"middleware1\", Middleware1)'")
}
func Middleware2(c *tcpx.Context) {
fmt.Println("I am middleware 2 exampled by 'srv.Use(\"middleware2\", Middleware2),srv.UnUse(\"middleware2\")'")
}
func Middleware3(c *tcpx.Context) {
fmt.Println("I am middleware 3 exampled by 'srv.AddHandler(5, Middleware3, SayName)'")
}
func MiddlewareGlobal(c *tcpx.Context) {
fmt.Println("I am global middleware exampled by 'srv.UseGlobal(MiddlewareGlobal)'")
}