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121 lines
3.8 KiB
121 lines
3.8 KiB
package mw
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import (
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"OpenIM/pkg/common/constant"
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"OpenIM/pkg/common/log"
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"OpenIM/pkg/common/mw/specialerror"
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"OpenIM/pkg/errs"
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"context"
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"errors"
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"fmt"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/metadata"
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"google.golang.org/grpc/status"
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"google.golang.org/protobuf/types/known/wrapperspb"
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"math"
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"runtime/debug"
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)
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const OperationID = "operationID"
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const OpUserID = "opUserID"
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func rpcServerInterceptor(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
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var operationID string
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defer func() {
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if r := recover(); r != nil {
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log.ZError(ctx, "rpc panic", nil, "FullMethod", info.FullMethod, "type:", fmt.Sprintf("%T", r), "panic:", r, string(debug.Stack()))
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}
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}()
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funcName := info.FullMethod
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log.ZInfo(ctx, "rpc req", "funcName", funcName, "req", rpcString(req))
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md, ok := metadata.FromIncomingContext(ctx)
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if !ok {
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return nil, status.New(codes.InvalidArgument, "missing metadata").Err()
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}
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if opts := md.Get(OperationID); len(opts) != 1 || opts[0] == "" {
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return nil, status.New(codes.InvalidArgument, "operationID error").Err()
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} else {
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operationID = opts[0]
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}
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var opUserID string
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if opts := md.Get(OpUserID); len(opts) == 1 {
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opUserID = opts[0]
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}
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ctx = context.WithValue(ctx, OperationID, operationID)
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ctx = context.WithValue(ctx, OpUserID, opUserID)
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resp, err = handler(ctx, req)
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if err != nil {
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log.ZError(ctx, "handler rpc error", err, "req", req)
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unwrap := errs.Unwrap(err)
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codeErr := specialerror.ErrCode(unwrap)
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if codeErr == nil {
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log.ZError(ctx, "rpc InternalServer:", err, "req", req)
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codeErr = errs.ErrInternalServer
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}
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if unwrap != err {
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log.ZError(ctx, "rpc error stack:", err)
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}
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code := codeErr.Code()
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if code <= 0 || code > math.MaxUint32 {
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log.ZError(ctx, "rpc UnknownError", err, "rpc UnknownCode:", code)
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code = errs.UnknownCode
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}
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grpcStatus := status.New(codes.Code(code), codeErr.Msg())
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if errs.Unwrap(err) != err {
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stack := fmt.Sprintf("%+v", err)
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log.Info(operationID, "rpc stack:", stack)
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if details, err := grpcStatus.WithDetails(wrapperspb.String(stack)); err == nil {
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grpcStatus = details
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}
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}
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return nil, grpcStatus.Err()
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}
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log.ZInfo(ctx, "rpc resp", "funcName", funcName, "Resp", rpcString(resp))
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return resp, nil
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}
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func rpcClientInterceptor(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) (err error) {
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if ctx == nil {
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return errs.ErrInternalServer.Wrap("call rpc request context is nil")
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}
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operationID, ok := ctx.Value(constant.OperationID).(string)
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if !ok {
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log.ZError(ctx, "ctx missing operationID", errors.New("ctx missing operationID"))
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return errs.ErrArgs.Wrap("ctx missing operationID")
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}
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md := metadata.Pairs(constant.OperationID, operationID)
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opUserID, ok := ctx.Value(constant.OpUserID).(string)
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if ok {
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md.Append(constant.OpUserID, opUserID)
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}
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err = invoker(metadata.NewOutgoingContext(ctx, md), method, req, reply, cc, opts...)
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if err == nil {
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return nil
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}
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rpcErr, ok := err.(interface{ GRPCStatus() *status.Status })
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if !ok {
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return errs.ErrInternalServer.Wrap(err.Error())
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}
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sta := rpcErr.GRPCStatus()
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if sta.Code() == 0 {
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return errs.NewCodeError(errs.DefaultOtherError, err.Error()).Wrap()
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}
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details := sta.Details()
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if len(details) == 0 {
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return errs.NewCodeError(int(sta.Code()), sta.Message()).Wrap()
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}
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if v, ok := details[0].(*wrapperspb.StringValue); ok {
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return errs.NewCodeError(int(sta.Code()), sta.Message()).Wrap(v.String())
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}
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return errs.NewCodeError(int(sta.Code()), sta.Message()).Wrap()
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}
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func GrpcServer() grpc.ServerOption {
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return grpc.UnaryInterceptor(rpcServerInterceptor)
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}
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func GrpcClient() grpc.DialOption {
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return grpc.WithUnaryInterceptor(rpcClientInterceptor)
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}
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