285 lines
7.4 KiB
Go
285 lines
7.4 KiB
Go
package server
|
|
|
|
import (
|
|
"fmt"
|
|
"github.com/gin-gonic/gin"
|
|
"github.com/gorilla/websocket"
|
|
"github.com/panjf2000/gnet"
|
|
"github.com/xtaci/kcp-go/v5"
|
|
"go.uber.org/zap"
|
|
"google.golang.org/grpc"
|
|
"minotaur/utils/log"
|
|
"net"
|
|
"net/http"
|
|
"os"
|
|
"os/signal"
|
|
"strings"
|
|
"syscall"
|
|
"time"
|
|
)
|
|
|
|
// New 根据特定网络类型创建一个服务器
|
|
func New(network Network, options ...Option) *Server {
|
|
server := &Server{
|
|
network: network,
|
|
}
|
|
server.event = &event{Server: server}
|
|
|
|
if network == NetworkHttp {
|
|
server.httpServer = gin.New()
|
|
}
|
|
for _, option := range options {
|
|
option(server)
|
|
}
|
|
return server
|
|
}
|
|
|
|
// Server 网络服务器
|
|
type Server struct {
|
|
*event
|
|
network Network // 网络类型
|
|
addr string // 侦听地址
|
|
httpServer *gin.Engine // HTTP模式下的服务器
|
|
grpcServer *grpc.Server // GRPC模式下的服务器
|
|
gServer *gNet // TCP或UDP模式下的服务器
|
|
messageChannel chan *message // 消息管道
|
|
initMessageChannel bool // 消息管道是否已经初始化
|
|
multiple bool // 是否为多服务器模式下运行
|
|
prod bool // 是否为生产模式
|
|
}
|
|
|
|
// Run 使用特定地址运行服务器
|
|
//
|
|
// server.NetworkTCP (addr:":8888")
|
|
// server.NetworkTCP4 (addr:":8888")
|
|
// server.NetworkTCP6 (addr:":8888")
|
|
// server.NetworkUDP (addr:":8888")
|
|
// server.NetworkUDP4 (addr:":8888")
|
|
// server.NetworkUDP6 (addr:":8888")
|
|
// server.NetworkUnix (addr:"socketPath")
|
|
// server.NetworkHttp (addr:":8888")
|
|
// server.NetworkWebsocket (addr:":8888/ws")
|
|
// server.NetworkKcp (addr:":8888")
|
|
func (slf *Server) Run(addr string) error {
|
|
if slf.event == nil {
|
|
return ErrConstructed
|
|
}
|
|
slf.event.check()
|
|
slf.addr = addr
|
|
var protoAddr = fmt.Sprintf("%s://%s", slf.network, slf.addr)
|
|
var connectionInitHandle = func(callback func()) {
|
|
slf.initMessageChannel = true
|
|
slf.messageChannel = make(chan *message, 4096*1000)
|
|
if slf.network != NetworkHttp && slf.network != NetworkWebsocket {
|
|
slf.gServer = &gNet{Server: slf}
|
|
}
|
|
if callback != nil {
|
|
go callback()
|
|
}
|
|
for message := range slf.messageChannel {
|
|
slf.dispatchMessage(message)
|
|
}
|
|
}
|
|
|
|
switch slf.network {
|
|
case NetworkGRPC:
|
|
listener, err := net.Listen(string(NetworkTCP), slf.addr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
slf.grpcServer = grpc.NewServer()
|
|
go func() {
|
|
if err := slf.grpcServer.Serve(listener); err != nil {
|
|
slf.PushMessage(MessageTypeError, err, MessageErrorActionShutdown)
|
|
}
|
|
}()
|
|
case NetworkTCP, NetworkTCP4, NetworkTCP6, NetworkUdp, NetworkUdp4, NetworkUdp6, NetworkUnix:
|
|
go connectionInitHandle(func() {
|
|
if err := gnet.Serve(slf.gServer, protoAddr); err != nil {
|
|
slf.PushMessage(MessageTypeError, err, MessageErrorActionShutdown)
|
|
}
|
|
})
|
|
case NetworkKcp:
|
|
listener, err := kcp.ListenWithOptions(slf.addr, nil, 0, 0)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
go connectionInitHandle(func() {
|
|
for {
|
|
session, err := listener.AcceptKCP()
|
|
if err != nil {
|
|
continue
|
|
}
|
|
|
|
conn := newKcpConn(session)
|
|
slf.OnConnectionOpenedEvent(conn)
|
|
|
|
go func(conn *Conn) {
|
|
defer func() {
|
|
if err := recover(); err != nil {
|
|
conn.Close()
|
|
slf.OnConnectionClosedEvent(conn)
|
|
}
|
|
}()
|
|
|
|
buf := make([]byte, 4096)
|
|
for {
|
|
n, err := conn.kcp.Read(buf)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
slf.PushMessage(MessageTypePacket, conn, buf[:n])
|
|
}
|
|
}(conn)
|
|
}
|
|
})
|
|
case NetworkHttp:
|
|
if slf.prod {
|
|
gin.SetMode(gin.ReleaseMode)
|
|
}
|
|
go func() {
|
|
if err := slf.httpServer.Run(addr); err != nil {
|
|
slf.PushMessage(MessageTypeError, err, MessageErrorActionShutdown)
|
|
}
|
|
}()
|
|
case NetworkWebsocket:
|
|
go connectionInitHandle(nil)
|
|
var pattern string
|
|
var index = strings.Index(addr, "/")
|
|
if index == -1 {
|
|
pattern = "/"
|
|
} else {
|
|
pattern = addr[index:]
|
|
}
|
|
var upgrade = websocket.Upgrader{
|
|
ReadBufferSize: 4096,
|
|
WriteBufferSize: 4096,
|
|
CheckOrigin: func(r *http.Request) bool {
|
|
return true
|
|
},
|
|
}
|
|
http.HandleFunc(pattern, func(writer http.ResponseWriter, request *http.Request) {
|
|
ip := request.Header.Get("X-Real-IP")
|
|
ws, err := upgrade.Upgrade(writer, request, nil)
|
|
if err != nil {
|
|
return
|
|
}
|
|
if len(ip) == 0 {
|
|
addr := ws.RemoteAddr().String()
|
|
if index := strings.LastIndex(addr, ":"); index != -1 {
|
|
ip = addr[0:index]
|
|
}
|
|
}
|
|
|
|
conn := newWebsocketConn(ws)
|
|
conn.ip = ip
|
|
slf.OnConnectionOpenedEvent(conn)
|
|
|
|
defer func() {
|
|
if err := recover(); err != nil {
|
|
conn.Close()
|
|
slf.OnConnectionClosedEvent(conn)
|
|
}
|
|
}()
|
|
|
|
for {
|
|
if err := ws.SetReadDeadline(time.Now().Add(time.Second * 30)); err != nil {
|
|
panic(err)
|
|
}
|
|
_, packet, err := ws.ReadMessage()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
slf.PushMessage(MessageTypePacket, conn, packet)
|
|
|
|
}
|
|
})
|
|
go func() {
|
|
if err := http.ListenAndServe(slf.addr, nil); err != nil {
|
|
slf.PushMessage(MessageTypeError, err, MessageErrorActionShutdown)
|
|
}
|
|
}()
|
|
default:
|
|
return ErrCanNotSupportNetwork
|
|
}
|
|
|
|
if !slf.multiple {
|
|
log.Info("Server", zap.String("Minotaur Server", "===================================================================="))
|
|
log.Info("Server", zap.String("Minotaur Server", "RunningInfo"),
|
|
zap.Any("network", slf.network),
|
|
zap.String("listen", slf.addr),
|
|
)
|
|
log.Info("Server", zap.String("Minotaur Server", "===================================================================="))
|
|
|
|
systemSignal := make(chan os.Signal, 1)
|
|
signal.Notify(systemSignal, syscall.SIGHUP, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT)
|
|
select {
|
|
case <-systemSignal:
|
|
slf.Shutdown(nil)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// IsProd 是否为生产模式
|
|
func (slf *Server) IsProd() bool {
|
|
return slf.prod
|
|
}
|
|
|
|
// Shutdown 停止运行服务器
|
|
func (slf *Server) Shutdown(err error) {
|
|
if slf.initMessageChannel {
|
|
close(slf.messageChannel)
|
|
}
|
|
if err != nil {
|
|
log.Error("Server", zap.Any("network", slf.network), zap.String("listen", slf.addr),
|
|
zap.String("action", "shutdown"), zap.String("state", "exception"), zap.Error(err))
|
|
} else {
|
|
log.Info("Server", zap.Any("network", slf.network), zap.String("listen", slf.addr),
|
|
zap.String("action", "shutdown"), zap.String("state", "normal"))
|
|
}
|
|
}
|
|
|
|
// HttpRouter 当网络类型为 NetworkHttp 时将被允许获取路由器进行路由注册，否则将会发生 panic
|
|
func (slf *Server) HttpRouter() gin.IRouter {
|
|
if slf.httpServer == nil {
|
|
panic(ErrNetworkOnlySupportHttp)
|
|
}
|
|
return slf.httpServer
|
|
}
|
|
|
|
// PushMessage 向服务器中写入特定类型的消息，需严格遵守消息属性要求
|
|
func (slf *Server) PushMessage(messageType MessageType, attrs ...any) {
|
|
slf.messageChannel <- &message{
|
|
t: messageType,
|
|
attrs: attrs,
|
|
}
|
|
}
|
|
|
|
// dispatchMessage 消息分发
|
|
func (slf *Server) dispatchMessage(msg *message) {
|
|
defer func() {
|
|
if err := recover(); err != nil {
|
|
log.Error("Server", zap.Any("error", err))
|
|
}
|
|
}()
|
|
switch msg.t {
|
|
case MessageTypePacket:
|
|
conn, packet := msg.t.deconstructPacket(msg.attrs...)
|
|
slf.OnConnectionReceivePacketEvent(conn, packet)
|
|
case MessageTypeError:
|
|
err, action := msg.t.deconstructError(msg.attrs...)
|
|
switch action {
|
|
case MessageErrorActionNone:
|
|
log.Error("Server", zap.Error(err))
|
|
case MessageErrorActionShutdown:
|
|
slf.Shutdown(err)
|
|
default:
|
|
log.Warn("Server", zap.String("not support message error action", action.String()))
|
|
}
|
|
default:
|
|
log.Warn("Server", zap.String("not support message type", msg.t.String()))
|
|
}
|
|
}
|