Files
origin/rpc/lserver.go
2024-12-03 17:21:21 +08:00

292 lines
8.5 KiB
Go

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