summaryrefslogtreecommitdiff
path: root/vendor/google.golang.org/grpc/internal
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/google.golang.org/grpc/internal')
-rw-r--r--vendor/google.golang.org/grpc/internal/backoff/backoff.go36
-rw-r--r--vendor/google.golang.org/grpc/internal/internal.go6
-rw-r--r--vendor/google.golang.org/grpc/internal/status/status.go28
-rw-r--r--vendor/google.golang.org/grpc/internal/transport/handler_server.go13
-rw-r--r--vendor/google.golang.org/grpc/internal/transport/http2_client.go13
-rw-r--r--vendor/google.golang.org/grpc/internal/transport/http2_server.go14
-rw-r--r--vendor/google.golang.org/grpc/internal/transport/http_util.go18
-rw-r--r--vendor/google.golang.org/grpc/internal/transport/transport.go2
8 files changed, 91 insertions, 39 deletions
diff --git a/vendor/google.golang.org/grpc/internal/backoff/backoff.go b/vendor/google.golang.org/grpc/internal/backoff/backoff.go
index 5fc0ee3da..fed1c011a 100644
--- a/vendor/google.golang.org/grpc/internal/backoff/backoff.go
+++ b/vendor/google.golang.org/grpc/internal/backoff/backoff.go
@@ -23,6 +23,8 @@
package backoff
import (
+ "context"
+ "errors"
"time"
grpcbackoff "google.golang.org/grpc/backoff"
@@ -71,3 +73,37 @@ func (bc Exponential) Backoff(retries int) time.Duration {
}
return time.Duration(backoff)
}
+
+// ErrResetBackoff is the error to be returned by the function executed by RunF,
+// to instruct the latter to reset its backoff state.
+var ErrResetBackoff = errors.New("reset backoff state")
+
+// RunF provides a convenient way to run a function f repeatedly until the
+// context expires or f returns a non-nil error that is not ErrResetBackoff.
+// When f returns ErrResetBackoff, RunF continues to run f, but resets its
+// backoff state before doing so. backoff accepts an integer representing the
+// number of retries, and returns the amount of time to backoff.
+func RunF(ctx context.Context, f func() error, backoff func(int) time.Duration) {
+ attempt := 0
+ timer := time.NewTimer(0)
+ for ctx.Err() == nil {
+ select {
+ case <-timer.C:
+ case <-ctx.Done():
+ timer.Stop()
+ return
+ }
+
+ err := f()
+ if errors.Is(err, ErrResetBackoff) {
+ timer.Reset(0)
+ attempt = 0
+ continue
+ }
+ if err != nil {
+ return
+ }
+ timer.Reset(backoff(attempt))
+ attempt++
+ }
+}
diff --git a/vendor/google.golang.org/grpc/internal/internal.go b/vendor/google.golang.org/grpc/internal/internal.go
index c8a8c76d6..0d94c63e0 100644
--- a/vendor/google.golang.org/grpc/internal/internal.go
+++ b/vendor/google.golang.org/grpc/internal/internal.go
@@ -175,6 +175,12 @@ var (
// GRPCResolverSchemeExtraMetadata determines when gRPC will add extra
// metadata to RPCs.
GRPCResolverSchemeExtraMetadata string = "xds"
+
+ // EnterIdleModeForTesting gets the ClientConn to enter IDLE mode.
+ EnterIdleModeForTesting any // func(*grpc.ClientConn) error
+
+ // ExitIdleModeForTesting gets the ClientConn to exit IDLE mode.
+ ExitIdleModeForTesting any // func(*grpc.ClientConn) error
)
// HealthChecker defines the signature of the client-side LB channel health checking function.
diff --git a/vendor/google.golang.org/grpc/internal/status/status.go b/vendor/google.golang.org/grpc/internal/status/status.go
index 4cf85cad9..03ef2fedd 100644
--- a/vendor/google.golang.org/grpc/internal/status/status.go
+++ b/vendor/google.golang.org/grpc/internal/status/status.go
@@ -43,6 +43,34 @@ type Status struct {
s *spb.Status
}
+// NewWithProto returns a new status including details from statusProto. This
+// is meant to be used by the gRPC library only.
+func NewWithProto(code codes.Code, message string, statusProto []string) *Status {
+ if len(statusProto) != 1 {
+ // No grpc-status-details bin header, or multiple; just ignore.
+ return &Status{s: &spb.Status{Code: int32(code), Message: message}}
+ }
+ st := &spb.Status{}
+ if err := proto.Unmarshal([]byte(statusProto[0]), st); err != nil {
+ // Probably not a google.rpc.Status proto; do not provide details.
+ return &Status{s: &spb.Status{Code: int32(code), Message: message}}
+ }
+ if st.Code == int32(code) {
+ // The codes match between the grpc-status header and the
+ // grpc-status-details-bin header; use the full details proto.
+ return &Status{s: st}
+ }
+ return &Status{
+ s: &spb.Status{
+ Code: int32(codes.Internal),
+ Message: fmt.Sprintf(
+ "grpc-status-details-bin mismatch: grpc-status=%v, grpc-message=%q, grpc-status-details-bin=%+v",
+ code, message, st,
+ ),
+ },
+ }
+}
+
// New returns a Status representing c and msg.
func New(c codes.Code, msg string) *Status {
return &Status{s: &spb.Status{Code: int32(c), Message: msg}}
diff --git a/vendor/google.golang.org/grpc/internal/transport/handler_server.go b/vendor/google.golang.org/grpc/internal/transport/handler_server.go
index 98f80e3fa..17f7a21b5 100644
--- a/vendor/google.golang.org/grpc/internal/transport/handler_server.go
+++ b/vendor/google.golang.org/grpc/internal/transport/handler_server.go
@@ -220,18 +220,20 @@ func (ht *serverHandlerTransport) WriteStatus(s *Stream, st *status.Status) erro
h.Set("Grpc-Message", encodeGrpcMessage(m))
}
+ s.hdrMu.Lock()
if p := st.Proto(); p != nil && len(p.Details) > 0 {
+ delete(s.trailer, grpcStatusDetailsBinHeader)
stBytes, err := proto.Marshal(p)
if err != nil {
// TODO: return error instead, when callers are able to handle it.
panic(err)
}
- h.Set("Grpc-Status-Details-Bin", encodeBinHeader(stBytes))
+ h.Set(grpcStatusDetailsBinHeader, encodeBinHeader(stBytes))
}
- if md := s.Trailer(); len(md) > 0 {
- for k, vv := range md {
+ if len(s.trailer) > 0 {
+ for k, vv := range s.trailer {
// Clients don't tolerate reading restricted headers after some non restricted ones were sent.
if isReservedHeader(k) {
continue
@@ -243,6 +245,7 @@ func (ht *serverHandlerTransport) WriteStatus(s *Stream, st *status.Status) erro
}
}
}
+ s.hdrMu.Unlock()
})
if err == nil { // transport has not been closed
@@ -287,7 +290,7 @@ func (ht *serverHandlerTransport) writeCommonHeaders(s *Stream) {
}
// writeCustomHeaders sets custom headers set on the stream via SetHeader
-// on the first write call (Write, WriteHeader, or WriteStatus).
+// on the first write call (Write, WriteHeader, or WriteStatus)
func (ht *serverHandlerTransport) writeCustomHeaders(s *Stream) {
h := ht.rw.Header()
@@ -344,7 +347,7 @@ func (ht *serverHandlerTransport) WriteHeader(s *Stream, md metadata.MD) error {
return err
}
-func (ht *serverHandlerTransport) HandleStreams(startStream func(*Stream), traceCtx func(context.Context, string) context.Context) {
+func (ht *serverHandlerTransport) HandleStreams(startStream func(*Stream)) {
// With this transport type there will be exactly 1 stream: this HTTP request.
ctx := ht.req.Context()
diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_client.go b/vendor/google.golang.org/grpc/internal/transport/http2_client.go
index badab8acf..d6f5c4935 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http2_client.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http2_client.go
@@ -1399,7 +1399,6 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
mdata = make(map[string][]string)
contentTypeErr = "malformed header: missing HTTP content-type"
grpcMessage string
- statusGen *status.Status
recvCompress string
httpStatusCode *int
httpStatusErr string
@@ -1434,12 +1433,6 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
rawStatusCode = codes.Code(uint32(code))
case "grpc-message":
grpcMessage = decodeGrpcMessage(hf.Value)
- case "grpc-status-details-bin":
- var err error
- statusGen, err = decodeGRPCStatusDetails(hf.Value)
- if err != nil {
- headerError = fmt.Sprintf("transport: malformed grpc-status-details-bin: %v", err)
- }
case ":status":
if hf.Value == "200" {
httpStatusErr = ""
@@ -1548,14 +1541,12 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
return
}
- if statusGen == nil {
- statusGen = status.New(rawStatusCode, grpcMessage)
- }
+ status := istatus.NewWithProto(rawStatusCode, grpcMessage, mdata[grpcStatusDetailsBinHeader])
// If client received END_STREAM from server while stream was still active,
// send RST_STREAM.
rstStream := s.getState() == streamActive
- t.closeStream(s, io.EOF, rstStream, http2.ErrCodeNo, statusGen, mdata, true)
+ t.closeStream(s, io.EOF, rstStream, http2.ErrCodeNo, status, mdata, true)
}
// readServerPreface reads and handles the initial settings frame from the
diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_server.go b/vendor/google.golang.org/grpc/internal/transport/http2_server.go
index c06db679d..6fa1eb419 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http2_server.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http2_server.go
@@ -342,7 +342,7 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport,
// operateHeaders takes action on the decoded headers. Returns an error if fatal
// error encountered and transport needs to close, otherwise returns nil.
-func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(*Stream), traceCtx func(context.Context, string) context.Context) error {
+func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(*Stream)) error {
// Acquire max stream ID lock for entire duration
t.maxStreamMu.Lock()
defer t.maxStreamMu.Unlock()
@@ -561,7 +561,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
}
if t.inTapHandle != nil {
var err error
- if s.ctx, err = t.inTapHandle(s.ctx, &tap.Info{FullMethodName: s.method}); err != nil {
+ if s.ctx, err = t.inTapHandle(s.ctx, &tap.Info{FullMethodName: s.method, Header: mdata}); err != nil {
t.mu.Unlock()
if t.logger.V(logLevel) {
t.logger.Infof("Aborting the stream early due to InTapHandle failure: %v", err)
@@ -592,7 +592,6 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
s.requestRead = func(n int) {
t.adjustWindow(s, uint32(n))
}
- s.ctx = traceCtx(s.ctx, s.method)
for _, sh := range t.stats {
s.ctx = sh.TagRPC(s.ctx, &stats.RPCTagInfo{FullMethodName: s.method})
inHeader := &stats.InHeader{
@@ -630,7 +629,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
// HandleStreams receives incoming streams using the given handler. This is
// typically run in a separate goroutine.
// traceCtx attaches trace to ctx and returns the new context.
-func (t *http2Server) HandleStreams(handle func(*Stream), traceCtx func(context.Context, string) context.Context) {
+func (t *http2Server) HandleStreams(handle func(*Stream)) {
defer close(t.readerDone)
for {
t.controlBuf.throttle()
@@ -665,7 +664,7 @@ func (t *http2Server) HandleStreams(handle func(*Stream), traceCtx func(context.
}
switch frame := frame.(type) {
case *http2.MetaHeadersFrame:
- if err := t.operateHeaders(frame, handle, traceCtx); err != nil {
+ if err := t.operateHeaders(frame, handle); err != nil {
t.Close(err)
break
}
@@ -1053,12 +1052,15 @@ func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error {
headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-message", Value: encodeGrpcMessage(st.Message())})
if p := st.Proto(); p != nil && len(p.Details) > 0 {
+ // Do not use the user's grpc-status-details-bin (if present) if we are
+ // even attempting to set our own.
+ delete(s.trailer, grpcStatusDetailsBinHeader)
stBytes, err := proto.Marshal(p)
if err != nil {
// TODO: return error instead, when callers are able to handle it.
t.logger.Errorf("Failed to marshal rpc status: %s, error: %v", pretty.ToJSON(p), err)
} else {
- headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-status-details-bin", Value: encodeBinHeader(stBytes)})
+ headerFields = append(headerFields, hpack.HeaderField{Name: grpcStatusDetailsBinHeader, Value: encodeBinHeader(stBytes)})
}
}
diff --git a/vendor/google.golang.org/grpc/internal/transport/http_util.go b/vendor/google.golang.org/grpc/internal/transport/http_util.go
index 195814008..dc29d590e 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http_util.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http_util.go
@@ -34,12 +34,9 @@ import (
"time"
"unicode/utf8"
- "github.com/golang/protobuf/proto"
"golang.org/x/net/http2"
"golang.org/x/net/http2/hpack"
- spb "google.golang.org/genproto/googleapis/rpc/status"
"google.golang.org/grpc/codes"
- "google.golang.org/grpc/status"
)
const (
@@ -88,6 +85,8 @@ var (
}
)
+var grpcStatusDetailsBinHeader = "grpc-status-details-bin"
+
// isReservedHeader checks whether hdr belongs to HTTP2 headers
// reserved by gRPC protocol. Any other headers are classified as the
// user-specified metadata.
@@ -103,7 +102,6 @@ func isReservedHeader(hdr string) bool {
"grpc-message",
"grpc-status",
"grpc-timeout",
- "grpc-status-details-bin",
// Intentionally exclude grpc-previous-rpc-attempts and
// grpc-retry-pushback-ms, which are "reserved", but their API
// intentionally works via metadata.
@@ -154,18 +152,6 @@ func decodeMetadataHeader(k, v string) (string, error) {
return v, nil
}
-func decodeGRPCStatusDetails(rawDetails string) (*status.Status, error) {
- v, err := decodeBinHeader(rawDetails)
- if err != nil {
- return nil, err
- }
- st := &spb.Status{}
- if err = proto.Unmarshal(v, st); err != nil {
- return nil, err
- }
- return status.FromProto(st), nil
-}
-
type timeoutUnit uint8
const (
diff --git a/vendor/google.golang.org/grpc/internal/transport/transport.go b/vendor/google.golang.org/grpc/internal/transport/transport.go
index 74a811fc0..aac056e72 100644
--- a/vendor/google.golang.org/grpc/internal/transport/transport.go
+++ b/vendor/google.golang.org/grpc/internal/transport/transport.go
@@ -698,7 +698,7 @@ type ClientTransport interface {
// Write methods for a given Stream will be called serially.
type ServerTransport interface {
// HandleStreams receives incoming streams using the given handler.
- HandleStreams(func(*Stream), func(context.Context, string) context.Context)
+ HandleStreams(func(*Stream))
// WriteHeader sends the header metadata for the given stream.
// WriteHeader may not be called on all streams.