mirror of
https://github.com/duanhf2012/origin.git
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新增rpc nats模块
This commit is contained in:
boyce
291
rpc/lserver.go
Normal file
291
rpc/lserver.go
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@@ -0,0 +1,291 @@
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package rpc
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import (
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"errors"
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"github.com/duanhf2012/origin/v2/log"
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"reflect"
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"time"
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"strings"
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"fmt"
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)
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type BaseServer struct {
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localNodeId string
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compressBytesLen int
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rpcHandleFinder RpcHandleFinder
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iServer IServer
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}
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func (ls *BaseServer) initBaseServer(compressBytesLen int,rpcHandleFinder RpcHandleFinder){
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ls.compressBytesLen = compressBytesLen
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ls.rpcHandleFinder = rpcHandleFinder
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}
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func (ls *BaseServer) myselfRpcHandlerGo(client *Client,handlerName string, serviceMethod string, args interface{},callBack reflect.Value, reply interface{}) error {
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rpcHandler := ls.rpcHandleFinder.FindRpcHandler(handlerName)
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if rpcHandler == nil {
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err := errors.New("service method " + serviceMethod + " not config!")
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log.Error("service method not config",log.String("serviceMethod",serviceMethod))
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return err
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}
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return rpcHandler.CallMethod(client,serviceMethod, args,callBack, reply)
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}
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func (ls *BaseServer) selfNodeRpcHandlerGo(timeout time.Duration,processor IRpcProcessor, client *Client, noReply bool, handlerName string, rpcMethodId uint32, serviceMethod string, args interface{}, reply interface{}, rawArgs []byte) *Call {
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pCall := MakeCall()
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pCall.Seq = client.generateSeq()
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pCall.TimeOut = timeout
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pCall.ServiceMethod = serviceMethod
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rpcHandler := ls.rpcHandleFinder.FindRpcHandler(handlerName)
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if rpcHandler == nil {
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err := errors.New("service method " + serviceMethod + " not config!")
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log.Error("service method not config",log.String("serviceMethod",serviceMethod),log.ErrorAttr("error",err))
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pCall.Seq = 0
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pCall.DoError(err)
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return pCall
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}
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var iParam interface{}
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if processor == nil {
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_, processor = GetProcessorType(args)
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}
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if args != nil {
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var err error
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iParam,err = processor.Clone(args)
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if err != nil {
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sErr := errors.New("RpcHandler " + handlerName + "."+serviceMethod+" deep copy inParam is error:" + err.Error())
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log.Error("deep copy inParam is failed",log.String("handlerName",handlerName),log.String("serviceMethod",serviceMethod))
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pCall.Seq = 0
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pCall.DoError(sErr)
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return pCall
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}
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}
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req := MakeRpcRequest(processor, 0, rpcMethodId, serviceMethod, noReply, nil)
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req.inParam = iParam
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req.localReply = reply
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if rawArgs != nil {
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var err error
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req.inParam, err = rpcHandler.UnmarshalInParam(processor, serviceMethod, rpcMethodId, rawArgs)
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if err != nil {
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log.Error("unmarshalInParam is failed",log.String("serviceMethod",serviceMethod),log.Uint32("rpcMethodId",rpcMethodId),log.ErrorAttr("error",err))
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pCall.Seq = 0
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pCall.DoError(err)
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ReleaseRpcRequest(req)
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return pCall
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}
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}
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if noReply == false {
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client.AddPending(pCall)
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callSeq := pCall.Seq
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req.requestHandle = func(Returns interface{}, Err RpcError) {
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if reply != nil && Returns != reply && Returns != nil {
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byteReturns, err := req.rpcProcessor.Marshal(Returns)
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if err != nil {
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Err = ConvertError(err)
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log.Error("returns data cannot be marshal",log.Uint64("seq",callSeq),log.ErrorAttr("error",err))
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}else{
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err = req.rpcProcessor.Unmarshal(byteReturns, reply)
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if err != nil {
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Err = ConvertError(err)
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log.Error("returns data cannot be Unmarshal",log.Uint64("seq",callSeq),log.ErrorAttr("error",err))
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}
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}
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}
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ReleaseRpcRequest(req)
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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",log.Uint64("seq",callSeq))
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return
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}
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if len(Err) == 0 {
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v.Err = nil
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v.DoOK()
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} else {
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log.Error(Err.Error())
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v.DoError(Err)
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}
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}
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}
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err := rpcHandler.PushRpcRequest(req)
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if err != nil {
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log.Error(err.Error())
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pCall.DoError(err)
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ReleaseRpcRequest(req)
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}
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return pCall
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}
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func (server *BaseServer) selfNodeRpcHandlerAsyncGo(timeout time.Duration,client *Client, callerRpcHandler IRpcHandler, noReply bool, handlerName string, serviceMethod string, args interface{}, reply interface{}, callback reflect.Value,cancelable bool) (CancelRpc,error) {
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rpcHandler := server.rpcHandleFinder.FindRpcHandler(handlerName)
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if rpcHandler == nil {
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err := errors.New("service method " + serviceMethod + " not config!")
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log.Error(err.Error())
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return emptyCancelRpc,err
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}
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_, processor := GetProcessorType(args)
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iParam,err := processor.Clone(args)
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if err != nil {
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errM := errors.New("RpcHandler " + handlerName + "."+serviceMethod+" deep copy inParam is error:" + err.Error())
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log.Error(errM.Error())
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return emptyCancelRpc,errM
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}
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req := MakeRpcRequest(processor, 0, 0, serviceMethod, noReply, nil)
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req.inParam = iParam
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req.localReply = reply
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cancelRpc := emptyCancelRpc
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var callSeq uint64
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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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pCall.ServiceMethod = serviceMethod
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pCall.TimeOut = timeout
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client.AddPending(pCall)
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rpcCancel := RpcCancel{CallSeq: callSeq,Cli: client}
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cancelRpc = rpcCancel.CancelRpc
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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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ReleaseRpcRequest(req)
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return
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}
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if len(Err) == 0 {
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v.Err = nil
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} else {
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v.Err = Err
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}
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if Returns != nil {
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v.Reply = Returns
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}
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v.rpcHandler.PushRpcResponse(v)
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ReleaseRpcRequest(req)
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}
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}
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err = rpcHandler.PushRpcRequest(req)
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if err != nil {
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ReleaseRpcRequest(req)
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if callSeq > 0 {
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client.RemovePending(callSeq)
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}
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return emptyCancelRpc,err
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}
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return cancelRpc,nil
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}
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func (bs *BaseServer) processRpcRequest(data []byte,connTag string,wrResponse writeResponse) error{
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bCompress := (data[0]>>7) > 0
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processor := GetProcessor(data[0]&0x7f)
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if processor == nil {
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return errors.New("cannot find processor")
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}
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//解析head
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var compressBuff []byte
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byteData := data[1:]
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if bCompress == true {
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var unCompressErr error
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compressBuff,unCompressErr = compressor.UncompressBlock(byteData)
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if unCompressErr!= nil {
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return errors.New("UncompressBlock failed")
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}
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byteData = compressBuff
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}
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req := MakeRpcRequest(processor, 0, 0, "", false, nil)
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err := processor.Unmarshal(byteData, req.RpcRequestData)
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if cap(compressBuff) > 0 {
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compressor.UnCompressBufferCollection(compressBuff)
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}
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if err != nil {
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if req.RpcRequestData.GetSeq() > 0 {
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rpcError := RpcError(err.Error())
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if req.RpcRequestData.IsNoReply() == false {
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wrResponse(processor,connTag, req.RpcRequestData.GetServiceMethod(), req.RpcRequestData.GetSeq(), nil, rpcError)
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}
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}
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ReleaseRpcRequest(req)
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return err
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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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if req.RpcRequestData.IsNoReply() == false {
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wrResponse(processor,connTag, req.RpcRequestData.GetServiceMethod(), req.RpcRequestData.GetSeq(), nil, rpcError)
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}
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ReleaseRpcRequest(req)
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log.Error("rpc request req.ServiceMethod is error")
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return nil
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}
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rpcHandler := bs.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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if req.RpcRequestData.IsNoReply() == false {
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wrResponse(processor,connTag, req.RpcRequestData.GetServiceMethod(), req.RpcRequestData.GetSeq(), nil, rpcError)
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}
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log.Error("serviceMethod not config",log.String("serviceMethod",req.RpcRequestData.GetServiceMethod()))
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ReleaseRpcRequest(req)
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return nil
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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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wrResponse(processor,connTag, req.RpcRequestData.GetServiceMethod(), req.RpcRequestData.GetSeq(), Returns, Err)
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ReleaseRpcRequest(req)
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}
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}
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req.inParam, err = rpcHandler.UnmarshalInParam(req.rpcProcessor, req.RpcRequestData.GetServiceMethod(), req.RpcRequestData.GetRpcMethodId(), req.RpcRequestData.GetInParam())
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if err != nil {
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rErr := "Call Rpc " + req.RpcRequestData.GetServiceMethod() + " Param error " + err.Error()
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log.Error("call rpc param error",log.String("serviceMethod",req.RpcRequestData.GetServiceMethod()),log.ErrorAttr("error",err))
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if req.requestHandle != nil {
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req.requestHandle(nil, RpcError(rErr))
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} else {
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ReleaseRpcRequest(req)
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}
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return nil
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}
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err = rpcHandler.PushRpcRequest(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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wrResponse(processor, connTag,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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return nil
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}
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