102 lines
3.1 KiB
Go
102 lines
3.1 KiB
Go
package services
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import (
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"context"
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"go_dreamfactory/comm"
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"go_dreamfactory/pb"
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"reflect"
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"sync"
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"go_dreamfactory/lego/base"
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"go_dreamfactory/lego/core"
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"go_dreamfactory/lego/core/cbase"
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"go_dreamfactory/lego/sys/log"
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"github.com/golang/protobuf/proto"
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"github.com/golang/protobuf/ptypes"
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)
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/*
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服务网关组件 用于接收网关服务发送过来的消息
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*/
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func NewGateRouteComp() comm.ISC_GateRouteComp {
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comp := new(SComp_GateRouteComp)
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return comp
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}
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//用户协议处理函数注册的反射对象
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type msghandle struct {
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rcvr reflect.Value
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msgType reflect.Type
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fn reflect.Method
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}
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//服务网关组件
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type SComp_GateRouteComp struct {
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cbase.ServiceCompBase
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service base.IRPCXService //rpc服务对象 通过这个对象可以发布服务和调用其他服务的接口
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mrlock sync.RWMutex //msghandles 对象的锁
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msghandles map[string]*msghandle //处理函数的管理对象
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}
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//设置服务组件名称 方便业务模块中获取此组件对象
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func (this *SComp_GateRouteComp) GetName() core.S_Comps {
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return comm.SC_ServiceGateRouteComp
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}
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//组件初始化函数
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func (this *SComp_GateRouteComp) Init(service core.IService, comp core.IServiceComp, options core.ICompOptions) (err error) {
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err = this.ServiceCompBase.Init(service, comp, options)
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this.service = service.(base.IRPCXService)
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this.msghandles = make(map[string]*msghandle)
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return err
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}
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//组件启动时注册rpc服务监听
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func (this *SComp_GateRouteComp) Start() (err error) {
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this.service.RegisterFunctionName(string(comm.Rpc_GatewayRoute), this.ReceiveMsg) //注册网关路由接收接口
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err = this.ServiceCompBase.Start()
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return
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}
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//业务模块注册用户消息处理路由
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func (this *SComp_GateRouteComp) RegisterRoute(methodName string, comp reflect.Value, msg reflect.Type, fn reflect.Method) {
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log.Debugf("注册用户路由【%s】", methodName)
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this.mrlock.RLock()
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_, ok := this.msghandles[methodName]
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this.mrlock.RUnlock()
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if ok {
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log.Errorf("重复 注册网关消息【%s】", methodName)
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return
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}
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this.mrlock.Lock()
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this.msghandles[methodName] = &msghandle{
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rcvr: comp,
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msgType: msg,
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fn: fn,
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}
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this.mrlock.Unlock()
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}
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//Rpc_GatewayRoute服务接口的接收函数
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func (this *SComp_GateRouteComp) ReceiveMsg(ctx context.Context, args *pb.AgentMessage, reply *pb.RPCMessageReply) error {
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log.Debugf("SComp_GateRouteComp ReceiveMsg agent:%s uId:%s MessageDistribution msg:%s", args.UserSessionId, args.UserId, args.Method)
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this.mrlock.RLock()
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msghandle, ok := this.msghandles[args.Method]
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this.mrlock.RUnlock()
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if ok {
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session := comm.NewUserSession(this.service, args.Ip, args.UserSessionId, args.GatewayServiceId, args.UserId)
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msg := reflect.New(msghandle.msgType.Elem()).Interface()
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if err := ptypes.UnmarshalAny(args.Message, msg.(proto.Message)); err != nil {
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log.Errorf("UserMessage:%s Unmarshal err:%v", args.Method, err)
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return err
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}
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msghandle.fn.Func.Call([]reflect.Value{msghandle.rcvr, reflect.ValueOf(ctx), reflect.ValueOf(session), reflect.ValueOf(msg)})
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} else {
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reply.Code = pb.ErrorCode_ReqParameterError
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// reply.Msg = pb.GetErrorCodeMsg(pb.ErrorCode_ReqParameterError)
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}
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return nil
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}
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