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grpc_client_stream.go
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grpc_client_stream.go
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package conn
import (
"context"
"io"
"github.com/ydb-platform/ydb-go-genproto/protos/Ydb"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
"github.com/ydb-platform/ydb-go-sdk/v3/internal/meta"
"github.com/ydb-platform/ydb-go-sdk/v3/internal/operation"
"github.com/ydb-platform/ydb-go-sdk/v3/internal/stack"
"github.com/ydb-platform/ydb-go-sdk/v3/internal/xerrors"
"github.com/ydb-platform/ydb-go-sdk/v3/trace"
)
type grpcClientStream struct {
parentConn *conn
stream grpc.ClientStream
streamCtx context.Context //nolint:containedctx
streamCancel context.CancelFunc
wrapping bool
traceID string
sentMark *modificationMark
}
func (s *grpcClientStream) Header() (metadata.MD, error) {
return s.stream.Header()
}
func (s *grpcClientStream) Trailer() metadata.MD {
return s.stream.Trailer()
}
func (s *grpcClientStream) Context() context.Context {
return s.stream.Context()
}
func (s *grpcClientStream) CloseSend() (err error) {
var (
ctx = s.streamCtx
onDone = trace.DriverOnConnStreamCloseSend(s.parentConn.config.Trace(), &ctx,
stack.FunctionID("github.com/ydb-platform/ydb-go-sdk/3/internal/conn.(*grpcClientStream).CloseSend"),
)
)
defer func() {
onDone(err)
}()
stop := s.parentConn.lastUsage.Start()
defer stop()
err = s.stream.CloseSend()
if err != nil {
if xerrors.IsContextError(err) {
return xerrors.WithStackTrace(err)
}
if !s.wrapping {
return err
}
return xerrors.WithStackTrace(xerrors.Transport(
err,
xerrors.WithAddress(s.parentConn.Address()),
xerrors.WithNodeID(s.parentConn.NodeID()),
xerrors.WithTraceID(s.traceID),
))
}
return nil
}
func (s *grpcClientStream) SendMsg(m interface{}) (err error) {
var (
ctx = s.streamCtx
onDone = trace.DriverOnConnStreamSendMsg(s.parentConn.config.Trace(), &ctx,
stack.FunctionID("github.com/ydb-platform/ydb-go-sdk/3/internal/conn.(*grpcClientStream).SendMsg"),
)
)
defer func() {
onDone(err)
}()
stop := s.parentConn.lastUsage.Start()
defer stop()
err = s.stream.SendMsg(m)
if err != nil {
if xerrors.IsContextError(err) {
return xerrors.WithStackTrace(err)
}
defer func() {
s.parentConn.onTransportError(ctx, err)
}()
if !s.wrapping {
return err
}
if s.sentMark.canRetry() {
return xerrors.WithStackTrace(xerrors.Retryable(
xerrors.Transport(err, xerrors.WithTraceID(s.traceID)),
xerrors.WithName("SendMsg"),
))
}
return xerrors.WithStackTrace(xerrors.Transport(err,
xerrors.WithAddress(s.parentConn.Address()),
xerrors.WithNodeID(s.parentConn.NodeID()),
xerrors.WithTraceID(s.traceID),
))
}
return nil
}
func (s *grpcClientStream) finish(err error) {
s.streamCancel()
trace.DriverOnConnStreamFinish(s.parentConn.config.Trace(), s.streamCtx,
stack.FunctionID("github.com/ydb-platform/ydb-go-sdk/3/internal/conn.(*grpcClientStream).finish"), err,
)
}
func (s *grpcClientStream) RecvMsg(m interface{}) (err error) { //nolint:funlen
var (
ctx = s.streamCtx
onDone = trace.DriverOnConnStreamRecvMsg(s.parentConn.config.Trace(), &ctx,
stack.FunctionID("github.com/ydb-platform/ydb-go-sdk/3/internal/conn.(*grpcClientStream).RecvMsg"),
)
)
defer func() {
onDone(err)
if err != nil {
meta.CallTrailerCallback(s.streamCtx, s.stream.Trailer())
}
}()
stop := s.parentConn.lastUsage.Start()
defer stop()
err = s.stream.RecvMsg(m)
if err != nil {
if xerrors.Is(err, io.EOF) {
return io.EOF
}
if xerrors.IsContextError(err) {
return xerrors.WithStackTrace(err)
}
defer func() {
s.parentConn.onTransportError(ctx, err)
}()
if !s.wrapping {
return err
}
if s.sentMark.canRetry() {
return xerrors.WithStackTrace(xerrors.Retryable(
xerrors.Transport(err,
xerrors.WithTraceID(s.traceID),
),
xerrors.WithName("RecvMsg"),
))
}
return xerrors.WithStackTrace(xerrors.Transport(err,
xerrors.WithAddress(s.parentConn.Address()),
xerrors.WithNodeID(s.parentConn.NodeID()),
))
}
if s.wrapping {
if operation, ok := m.(operation.Status); ok {
if status := operation.GetStatus(); status != Ydb.StatusIds_SUCCESS {
return xerrors.WithStackTrace(xerrors.Operation(
xerrors.FromOperation(operation),
xerrors.WithAddress(s.parentConn.Address()),
xerrors.WithNodeID(s.parentConn.NodeID()),
))
}
}
}
return nil
}