mirror of
https://github.com/duanhf2012/origin.git
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332 lines
8.6 KiB
Go
332 lines
8.6 KiB
Go
package rpc
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import (
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"fmt"
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"github.com/duanhf2012/origin/log"
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"github.com/duanhf2012/origin/network"
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"math"
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"net"
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"reflect"
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"strings"
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)
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type RpcProcessorType uint8
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const (
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RpcProcessorJson RpcProcessorType = 0
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RpcProcessorPb RpcProcessorType = 1
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)
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//var processor IRpcProcessor = &JsonProcessor{}
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var arrayProcessor = []IRpcProcessor{&JsonProcessor{},&PBProcessor{}}
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var arrayProcessorLen uint8 = 2
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var LittleEndian bool
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type Server struct {
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functions map[interface{}]interface{}
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cmdChannel chan *Call
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rpcHandleFinder RpcHandleFinder
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rpcServer *network.TCPServer
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}
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type RpcAgent struct {
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conn network.Conn
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rpcServer *Server
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userData interface{}
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}
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func AppendProcessor(rpcProcessor IRpcProcessor) {
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arrayProcessor = append(arrayProcessor,rpcProcessor)
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arrayProcessorLen++
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}
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func GetProcessorType(param interface{}) (RpcProcessorType,IRpcProcessor){
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for i:=uint8(1);i<arrayProcessorLen;i++{
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if arrayProcessor[i].IsParse(param) == true {
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return RpcProcessorType(i),arrayProcessor[i]
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}
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}
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return RpcProcessorJson,arrayProcessor[RpcProcessorJson]
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}
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func GetProcessor(processorType uint8) IRpcProcessor{
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if processorType>=arrayProcessorLen{
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return nil
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}
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return arrayProcessor[processorType]
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}
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func (server *Server) Init(rpcHandleFinder RpcHandleFinder) {
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server.cmdChannel = make(chan *Call,100000)
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server.rpcHandleFinder = rpcHandleFinder
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server.rpcServer = &network.TCPServer{}
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}
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func (server *Server) Start(listenAddr string) {
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splitAddr := strings.Split(listenAddr,":")
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if len(splitAddr)!=2{
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log.Fatal("listen addr is error :%s",listenAddr)
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}
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server.rpcServer.Addr = ":"+splitAddr[1]
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server.rpcServer.LenMsgLen = 2 //uint16
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server.rpcServer.MinMsgLen = 2
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server.rpcServer.MaxMsgLen = math.MaxUint16
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server.rpcServer.MaxConnNum = 10000
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server.rpcServer.PendingWriteNum = 2000000
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server.rpcServer.NewAgent = server.NewAgent
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server.rpcServer.LittleEndian = LittleEndian
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server.rpcServer.Start()
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}
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func (agent *RpcAgent) OnDestroy() {}
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func (agent *RpcAgent) WriteResponse(processor IRpcProcessor,serviceMethod string,seq uint64,reply interface{},err RpcError) {
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var mReply []byte
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var rpcError RpcError
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var errM error
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if reply!=nil {
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mReply,errM = processor.Marshal(reply)
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if errM != nil {
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rpcError = ConvertError(errM)
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}
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}
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var rpcResponse RpcResponse
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rpcResponse.RpcResponseData = processor.MakeRpcResponse(seq,rpcError,mReply)
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bytes,errM := processor.Marshal(rpcResponse.RpcResponseData)
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defer processor.ReleaseRpcResponse(rpcResponse.RpcResponseData)
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if errM != nil {
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log.Error("service method %s %+v Marshal error:%+v!", serviceMethod,rpcResponse,errM)
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return
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}
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errM = agent.conn.WriteMsg([]byte{uint8(processor.GetProcessorType())},bytes)
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if errM != nil {
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log.Error("Rpc %s return is error:%+v",serviceMethod,errM)
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}
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}
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func (agent *RpcAgent) Run() {
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for {
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data,err := agent.conn.ReadMsg()
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if err != nil {
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log.Error("read message: %v", err)
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//will close tcpconn
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break
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}
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processor := GetProcessor(uint8(data[0]))
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if processor==nil {
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agent.conn.ReleaseReadMsg(data)
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log.Error("remote rpc %s data head error:%+v",agent.conn.RemoteAddr(),err)
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return
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}
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//解析head
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req := MakeRpcRequest(processor,0,0,"",false,nil)
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err = processor.Unmarshal(data[1:],req.RpcRequestData)
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agent.conn.ReleaseReadMsg(data)
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if err != nil {
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log.Error("rpc Unmarshal request is error: %v", err)
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if req.RpcRequestData.GetSeq()>0 {
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rpcError := RpcError(err.Error())
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agent.WriteResponse(processor,req.RpcRequestData.GetServiceMethod(),req.RpcRequestData.GetSeq(),nil,rpcError)
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ReleaseRpcRequest(req)
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continue
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}else{
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//will close tcpconn
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ReleaseRpcRequest(req)
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break
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}
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}
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//交给程序处理
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serviceMethod := strings.Split(req.RpcRequestData.GetServiceMethod(),".")
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if len(serviceMethod) < 1 {
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rpcError := RpcError("rpc request req.ServiceMethod is error")
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agent.WriteResponse(processor,req.RpcRequestData.GetServiceMethod(),req.RpcRequestData.GetSeq(),nil,rpcError)
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ReleaseRpcRequest(req)
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log.Debug("rpc request req.ServiceMethod is error")
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continue
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}
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rpcHandler := agent.rpcServer.rpcHandleFinder.FindRpcHandler(serviceMethod[0])
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if rpcHandler== nil {
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rpcError := RpcError(fmt.Sprintf("service method %s not config!", req.RpcRequestData.GetServiceMethod()))
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agent.WriteResponse(processor,req.RpcRequestData.GetServiceMethod(),req.RpcRequestData.GetSeq(),nil,rpcError)
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ReleaseRpcRequest(req)
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log.Error("service method %s not config!", req.RpcRequestData.GetServiceMethod())
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continue
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}
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if req.RpcRequestData.IsNoReply()==false {
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req.requestHandle = func(Returns interface{},Err RpcError){
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agent.WriteResponse(processor,req.RpcRequestData.GetServiceMethod(),req.RpcRequestData.GetSeq(),Returns,Err)
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}
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}
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err = rpcHandler.PushRequest(req)
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if err != nil {
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rpcError := RpcError(err.Error())
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if req.RpcRequestData.IsNoReply() {
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agent.WriteResponse(processor,req.RpcRequestData.GetServiceMethod(),req.RpcRequestData.GetSeq(),nil,rpcError)
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}
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ReleaseRpcRequest(req)
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}
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}
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}
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func (agent *RpcAgent) OnClose() {
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}
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func (agent *RpcAgent) WriteMsg(msg interface{}) {
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}
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func (agent *RpcAgent) LocalAddr() net.Addr {
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return agent.conn.LocalAddr()
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}
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func (agent *RpcAgent) RemoteAddr() net.Addr {
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return agent.conn.RemoteAddr()
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}
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func (agent *RpcAgent) Close() {
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agent.conn.Close()
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}
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func (agent *RpcAgent) Destroy() {
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agent.conn.Destroy()
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}
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func (server *Server) NewAgent(c *network.TCPConn) network.Agent {
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agent := &RpcAgent{conn: c, rpcServer: server}
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return agent
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}
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func (server *Server) myselfRpcHandlerGo(handlerName string,serviceMethod string, args interface{},reply interface{}) error {
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rpcHandler := server.rpcHandleFinder.FindRpcHandler(handlerName)
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if rpcHandler== nil {
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err := fmt.Errorf("service method %s not config!", serviceMethod)
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log.Error("%s",err.Error())
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return err
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}
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return rpcHandler.CallMethod(serviceMethod,args,reply)
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}
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func (server *Server) selfNodeRpcHandlerGo(processor IRpcProcessor,client *Client,noReply bool,handlerName string,rpcMethodId uint32,serviceMethod string, args interface{},reply interface{},inputArgs IRawInputArgs) *Call {
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pCall := MakeCall()
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pCall.Seq = client.generateSeq()
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rpcHandler := server.rpcHandleFinder.FindRpcHandler(handlerName)
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if rpcHandler== nil {
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if inputArgs!= nil {
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inputArgs.DoGc()
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}
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pCall.Seq = 0
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pCall.Err = fmt.Errorf("service method %s not config!", serviceMethod)
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log.Error("%s",pCall.Err.Error())
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pCall.done <- pCall
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return pCall
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}
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if processor == nil {
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_,processor = GetProcessorType(args)
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}
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req := MakeRpcRequest(processor,0,rpcMethodId, serviceMethod,noReply,nil)
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req.bLocalRequest = true
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req.localParam = args
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req.localReply = reply
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req.inputArgs = inputArgs
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if noReply == false {
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client.AddPending(pCall)
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req.requestHandle = func(Returns interface{},Err RpcError){
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v := client.RemovePending(pCall.Seq)
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if v == nil {
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log.Error("rpcClient cannot find seq %d in pending",pCall.Seq)
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return
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}
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if len(Err) == 0 {
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pCall.Err = nil
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}else{
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pCall.Err = Err
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}
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pCall.done <- pCall
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}
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}
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err := rpcHandler.PushRequest(req)
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if err != nil {
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ReleaseRpcRequest(req)
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pCall.Err = err
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pCall.done <- pCall
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}
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return pCall
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}
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func (server *Server) selfNodeRpcHandlerAsyncGo(client *Client,callerRpcHandler IRpcHandler,noReply bool,handlerName string,serviceMethod string,args interface{},reply interface{},callback reflect.Value) error {
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rpcHandler := server.rpcHandleFinder.FindRpcHandler(handlerName)
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if rpcHandler== nil {
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err := fmt.Errorf("service method %s not config!", serviceMethod)
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log.Error("%+v",err)
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return err
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}
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_,processor := GetProcessorType(args)
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req := MakeRpcRequest(processor,0,0,serviceMethod,noReply,nil)
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req.localParam = args
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req.localReply = reply
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req.bLocalRequest = true
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//req.rpcProcessor =processor
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//req.RpcRequestData = processor.MakeRpcRequest(0,serviceMethod,noReply,nil)
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if noReply == false {
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callSeq := client.generateSeq()
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pCall := MakeCall()
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pCall.Seq = callSeq
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pCall.rpcHandler = callerRpcHandler
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pCall.callback = &callback
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pCall.Reply = reply
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client.AddPending(pCall)
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req.requestHandle = func(Returns interface{},Err RpcError){
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v := client.RemovePending(callSeq)
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if v == nil {
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log.Error("rpcClient cannot find seq %d in pending",pCall.Seq)
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//ReleaseCall(pCall)
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return
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}
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if len(Err) == 0 {
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pCall.Err = nil
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}else{
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pCall.Err = Err
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}
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if Returns!=nil {
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pCall.Reply = Returns
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}
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pCall.rpcHandler.(*RpcHandler).callResponseCallBack <-pCall
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}
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}
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err := rpcHandler.PushRequest(req)
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if err != nil {
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ReleaseRpcRequest(req)
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return err
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}
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return nil
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}
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