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95 lines
3.1 KiB
95 lines
3.1 KiB
1 year ago
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package mw
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import (
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"context"
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"errors"
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"fmt"
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"strings"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/log"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/errs"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/proto/errinfo"
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"google.golang.org/grpc"
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"google.golang.org/grpc/metadata"
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"google.golang.org/grpc/status"
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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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func RpcClientInterceptor(ctx context.Context, method string, req, resp 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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log.ZInfo(ctx, "rpc client req", "funcName", method, "req", rpcString(req), "invoker", invoker, "invoker_type", fmt.Sprintf("%T", invoker))
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ctx, err = getRpcContext(ctx, method)
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if err != nil {
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return err
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}
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log.ZDebug(ctx, "get rpc ctx success", "conn target", cc.Target())
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err = invoker(ctx, method, req, resp, cc, opts...)
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if err == nil {
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log.ZInfo(ctx, "rpc client resp", "funcName", method, "resp", rpcString(resp))
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return nil
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}
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log.ZError(ctx, "rpc resp error", err)
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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.ServerInternalError, err.Error()).Wrap()
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}
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if details := sta.Details(); len(details) > 0 {
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errInfo, ok := details[0].(*errinfo.ErrorInfo)
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if ok {
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s := strings.Join(errInfo.Warp, "->") + errInfo.Cause
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return errs.NewCodeError(int(sta.Code()), sta.Message()).WithDetail(s).Wrap()
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}
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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 getRpcContext(ctx context.Context, method string) (context.Context, error) {
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md := metadata.Pairs()
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if keys, _ := ctx.Value(constant.RpcCustomHeader).([]string); len(keys) > 0 {
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for _, key := range keys {
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val, ok := ctx.Value(key).([]string)
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if !ok {
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return nil, errs.ErrInternalServer.Wrap(fmt.Sprintf("ctx missing key %s", key))
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}
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if len(val) == 0 {
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return nil, errs.ErrInternalServer.Wrap(fmt.Sprintf("ctx key %s value is empty", key))
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}
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md.Set(key, val...)
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}
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md.Set(constant.RpcCustomHeader, keys...)
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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.ZWarn(ctx, "ctx missing operationID", errors.New("ctx missing operationID"), "funcName", method)
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return nil, errs.ErrArgs.Wrap("ctx missing operationID")
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}
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md.Set(constant.OperationID, operationID)
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var checkArgs []string
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checkArgs = append(checkArgs, 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.Set(constant.OpUserID, opUserID)
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checkArgs = append(checkArgs, constant.OpUserID, opUserID)
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}
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opUserIDPlatformID, ok := ctx.Value(constant.OpUserPlatform).(string)
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if ok {
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md.Set(constant.OpUserPlatform, opUserIDPlatformID)
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}
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connID, ok := ctx.Value(constant.ConnID).(string)
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if ok {
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md.Set(constant.ConnID, connID)
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}
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md.Set(constant.CheckKey, genReqKey(checkArgs))
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return metadata.NewOutgoingContext(ctx, md), nil
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}
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