[VOL-5486] Upgrade library versions
Change-Id: I8b4e88699e03f44ee13e467867f45ae3f0a63c4b
Signed-off-by: Abhay Kumar <abhay.kumar@radisys.com>
diff --git a/vendor/google.golang.org/grpc/metadata/metadata.go b/vendor/google.golang.org/grpc/metadata/metadata.go
index cf6d1b9..d2e1525 100644
--- a/vendor/google.golang.org/grpc/metadata/metadata.go
+++ b/vendor/google.golang.org/grpc/metadata/metadata.go
@@ -25,8 +25,14 @@
"context"
"fmt"
"strings"
+
+ "google.golang.org/grpc/internal"
)
+func init() {
+ internal.FromOutgoingContextRaw = fromOutgoingContextRaw
+}
+
// DecodeKeyValue returns k, v, nil.
//
// Deprecated: use k and v directly instead.
@@ -41,16 +47,17 @@
// New creates an MD from a given key-value map.
//
// Only the following ASCII characters are allowed in keys:
-// - digits: 0-9
-// - uppercase letters: A-Z (normalized to lower)
-// - lowercase letters: a-z
-// - special characters: -_.
+// - digits: 0-9
+// - uppercase letters: A-Z (normalized to lower)
+// - lowercase letters: a-z
+// - special characters: -_.
+//
// Uppercase letters are automatically converted to lowercase.
//
// Keys beginning with "grpc-" are reserved for grpc-internal use only and may
// result in errors if set in metadata.
func New(m map[string]string) MD {
- md := MD{}
+ md := make(MD, len(m))
for k, val := range m {
key := strings.ToLower(k)
md[key] = append(md[key], val)
@@ -62,10 +69,11 @@
// Pairs panics if len(kv) is odd.
//
// Only the following ASCII characters are allowed in keys:
-// - digits: 0-9
-// - uppercase letters: A-Z (normalized to lower)
-// - lowercase letters: a-z
-// - special characters: -_.
+// - digits: 0-9
+// - uppercase letters: A-Z (normalized to lower)
+// - lowercase letters: a-z
+// - special characters: -_.
+//
// Uppercase letters are automatically converted to lowercase.
//
// Keys beginning with "grpc-" are reserved for grpc-internal use only and may
@@ -74,14 +82,10 @@
if len(kv)%2 == 1 {
panic(fmt.Sprintf("metadata: Pairs got the odd number of input pairs for metadata: %d", len(kv)))
}
- md := MD{}
- var key string
- for i, s := range kv {
- if i%2 == 0 {
- key = strings.ToLower(s)
- continue
- }
- md[key] = append(md[key], s)
+ md := make(MD, len(kv)/2)
+ for i := 0; i < len(kv); i += 2 {
+ key := strings.ToLower(kv[i])
+ md[key] = append(md[key], kv[i+1])
}
return md
}
@@ -93,16 +97,24 @@
// Copy returns a copy of md.
func (md MD) Copy() MD {
- return Join(md)
+ out := make(MD, len(md))
+ for k, v := range md {
+ out[k] = copyOf(v)
+ }
+ return out
}
// Get obtains the values for a given key.
+//
+// k is converted to lowercase before searching in md.
func (md MD) Get(k string) []string {
k = strings.ToLower(k)
return md[k]
}
// Set sets the value of a given key with a slice of values.
+//
+// k is converted to lowercase before storing in md.
func (md MD) Set(k string, vals ...string) {
if len(vals) == 0 {
return
@@ -111,7 +123,10 @@
md[k] = vals
}
-// Append adds the values to key k, not overwriting what was already stored at that key.
+// Append adds the values to key k, not overwriting what was already stored at
+// that key.
+//
+// k is converted to lowercase before storing in md.
func (md MD) Append(k string, vals ...string) {
if len(vals) == 0 {
return
@@ -120,9 +135,17 @@
md[k] = append(md[k], vals...)
}
+// Delete removes the values for a given key k which is converted to lowercase
+// before removing it from md.
+func (md MD) Delete(k string) {
+ k = strings.ToLower(k)
+ delete(md, k)
+}
+
// Join joins any number of mds into a single MD.
-// The order of values for each key is determined by the order in which
-// the mds containing those values are presented to Join.
+//
+// The order of values for each key is determined by the order in which the mds
+// containing those values are presented to Join.
func Join(mds ...MD) MD {
out := MD{}
for _, md := range mds {
@@ -136,21 +159,23 @@
type mdIncomingKey struct{}
type mdOutgoingKey struct{}
-// NewIncomingContext creates a new context with incoming md attached.
+// NewIncomingContext creates a new context with incoming md attached. md must
+// not be modified after calling this function.
func NewIncomingContext(ctx context.Context, md MD) context.Context {
return context.WithValue(ctx, mdIncomingKey{}, md)
}
// NewOutgoingContext creates a new context with outgoing md attached. If used
// in conjunction with AppendToOutgoingContext, NewOutgoingContext will
-// overwrite any previously-appended metadata.
+// overwrite any previously-appended metadata. md must not be modified after
+// calling this function.
func NewOutgoingContext(ctx context.Context, md MD) context.Context {
return context.WithValue(ctx, mdOutgoingKey{}, rawMD{md: md})
}
// AppendToOutgoingContext returns a new context with the provided kv merged
-// with any existing metadata in the context. Please refer to the
-// documentation of Pairs for a description of kv.
+// with any existing metadata in the context. Please refer to the documentation
+// of Pairs for a description of kv.
func AppendToOutgoingContext(ctx context.Context, kv ...string) context.Context {
if len(kv)%2 == 1 {
panic(fmt.Sprintf("metadata: AppendToOutgoingContext got an odd number of input pairs for metadata: %d", len(kv)))
@@ -158,26 +183,69 @@
md, _ := ctx.Value(mdOutgoingKey{}).(rawMD)
added := make([][]string, len(md.added)+1)
copy(added, md.added)
- added[len(added)-1] = make([]string, len(kv))
- copy(added[len(added)-1], kv)
+ kvCopy := make([]string, 0, len(kv))
+ for i := 0; i < len(kv); i += 2 {
+ kvCopy = append(kvCopy, strings.ToLower(kv[i]), kv[i+1])
+ }
+ added[len(added)-1] = kvCopy
return context.WithValue(ctx, mdOutgoingKey{}, rawMD{md: md.md, added: added})
}
-// FromIncomingContext returns the incoming metadata in ctx if it exists. The
-// returned MD should not be modified. Writing to it may cause races.
-// Modification should be made to copies of the returned MD.
-func FromIncomingContext(ctx context.Context) (md MD, ok bool) {
- md, ok = ctx.Value(mdIncomingKey{}).(MD)
- return
+// FromIncomingContext returns the incoming metadata in ctx if it exists.
+//
+// All keys in the returned MD are lowercase.
+func FromIncomingContext(ctx context.Context) (MD, bool) {
+ md, ok := ctx.Value(mdIncomingKey{}).(MD)
+ if !ok {
+ return nil, false
+ }
+ out := make(MD, len(md))
+ for k, v := range md {
+ // We need to manually convert all keys to lower case, because MD is a
+ // map, and there's no guarantee that the MD attached to the context is
+ // created using our helper functions.
+ key := strings.ToLower(k)
+ out[key] = copyOf(v)
+ }
+ return out, true
}
-// FromOutgoingContextRaw returns the un-merged, intermediary contents
-// of rawMD. Remember to perform strings.ToLower on the keys. The returned
-// MD should not be modified. Writing to it may cause races. Modification
-// should be made to copies of the returned MD.
+// ValueFromIncomingContext returns the metadata value corresponding to the metadata
+// key from the incoming metadata if it exists. Keys are matched in a case insensitive
+// manner.
+func ValueFromIncomingContext(ctx context.Context, key string) []string {
+ md, ok := ctx.Value(mdIncomingKey{}).(MD)
+ if !ok {
+ return nil
+ }
+
+ if v, ok := md[key]; ok {
+ return copyOf(v)
+ }
+ for k, v := range md {
+ // Case insensitive comparison: MD is a map, and there's no guarantee
+ // that the MD attached to the context is created using our helper
+ // functions.
+ if strings.EqualFold(k, key) {
+ return copyOf(v)
+ }
+ }
+ return nil
+}
+
+func copyOf(v []string) []string {
+ vals := make([]string, len(v))
+ copy(vals, v)
+ return vals
+}
+
+// fromOutgoingContextRaw returns the un-merged, intermediary contents of rawMD.
//
-// This is intended for gRPC-internal use ONLY.
-func FromOutgoingContextRaw(ctx context.Context) (MD, [][]string, bool) {
+// Remember to perform strings.ToLower on the keys, for both the returned MD (MD
+// is a map, there's no guarantee it's created using our helper functions) and
+// the extra kv pairs (AppendToOutgoingContext doesn't turn them into
+// lowercase).
+func fromOutgoingContextRaw(ctx context.Context) (MD, [][]string, bool) {
raw, ok := ctx.Value(mdOutgoingKey{}).(rawMD)
if !ok {
return nil, nil, false
@@ -186,21 +254,39 @@
return raw.md, raw.added, true
}
-// FromOutgoingContext returns the outgoing metadata in ctx if it exists. The
-// returned MD should not be modified. Writing to it may cause races.
-// Modification should be made to copies of the returned MD.
+// FromOutgoingContext returns the outgoing metadata in ctx if it exists.
+//
+// All keys in the returned MD are lowercase.
func FromOutgoingContext(ctx context.Context) (MD, bool) {
raw, ok := ctx.Value(mdOutgoingKey{}).(rawMD)
if !ok {
return nil, false
}
- mds := make([]MD, 0, len(raw.added)+1)
- mds = append(mds, raw.md)
- for _, vv := range raw.added {
- mds = append(mds, Pairs(vv...))
+ mdSize := len(raw.md)
+ for i := range raw.added {
+ mdSize += len(raw.added[i]) / 2
}
- return Join(mds...), ok
+
+ out := make(MD, mdSize)
+ for k, v := range raw.md {
+ // We need to manually convert all keys to lower case, because MD is a
+ // map, and there's no guarantee that the MD attached to the context is
+ // created using our helper functions.
+ key := strings.ToLower(k)
+ out[key] = copyOf(v)
+ }
+ for _, added := range raw.added {
+ if len(added)%2 == 1 {
+ panic(fmt.Sprintf("metadata: FromOutgoingContext got an odd number of input pairs for metadata: %d", len(added)))
+ }
+
+ for i := 0; i < len(added); i += 2 {
+ key := strings.ToLower(added[i])
+ out[key] = append(out[key], added[i+1])
+ }
+ }
+ return out, ok
}
type rawMD struct {