[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/internal/metadata/metadata.go b/vendor/google.golang.org/grpc/internal/metadata/metadata.go
new file mode 100644
index 0000000..c4055bc
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/metadata/metadata.go
@@ -0,0 +1,144 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package metadata contains functions to set and get metadata from addresses.
+//
+// This package is experimental.
+package metadata
+
+import (
+ "fmt"
+ "strings"
+
+ "google.golang.org/grpc/metadata"
+ "google.golang.org/grpc/resolver"
+)
+
+type mdKeyType string
+
+const mdKey = mdKeyType("grpc.internal.address.metadata")
+
+type mdValue metadata.MD
+
+func (m mdValue) Equal(o any) bool {
+ om, ok := o.(mdValue)
+ if !ok {
+ return false
+ }
+ if len(m) != len(om) {
+ return false
+ }
+ for k, v := range m {
+ ov := om[k]
+ if len(ov) != len(v) {
+ return false
+ }
+ for i, ve := range v {
+ if ov[i] != ve {
+ return false
+ }
+ }
+ }
+ return true
+}
+
+// Get returns the metadata of addr.
+func Get(addr resolver.Address) metadata.MD {
+ attrs := addr.Attributes
+ if attrs == nil {
+ return nil
+ }
+ md, _ := attrs.Value(mdKey).(mdValue)
+ return metadata.MD(md)
+}
+
+// Set sets (overrides) the metadata in addr.
+//
+// When a SubConn is created with this address, the RPCs sent on it will all
+// have this metadata.
+func Set(addr resolver.Address, md metadata.MD) resolver.Address {
+ addr.Attributes = addr.Attributes.WithValue(mdKey, mdValue(md))
+ return addr
+}
+
+// Validate validates every pair in md with ValidatePair.
+func Validate(md metadata.MD) error {
+ for k, vals := range md {
+ if err := ValidatePair(k, vals...); err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+// hasNotPrintable return true if msg contains any characters which are not in %x20-%x7E
+func hasNotPrintable(msg string) bool {
+ // for i that saving a conversion if not using for range
+ for i := 0; i < len(msg); i++ {
+ if msg[i] < 0x20 || msg[i] > 0x7E {
+ return true
+ }
+ }
+ return false
+}
+
+// ValidateKey validates a key with the following rules (pseudo-headers are
+// skipped):
+// - the key must contain one or more characters.
+// - the characters in the key must be in [0-9 a-z _ - .].
+func ValidateKey(key string) error {
+ // key should not be empty
+ if key == "" {
+ return fmt.Errorf("there is an empty key in the header")
+ }
+ // pseudo-header will be ignored
+ if key[0] == ':' {
+ return nil
+ }
+ // check key, for i that saving a conversion if not using for range
+ for i := 0; i < len(key); i++ {
+ r := key[i]
+ if !(r >= 'a' && r <= 'z') && !(r >= '0' && r <= '9') && r != '.' && r != '-' && r != '_' {
+ return fmt.Errorf("header key %q contains illegal characters not in [0-9a-z-_.]", key)
+ }
+ }
+ return nil
+}
+
+// ValidatePair validates a key-value pair with the following rules
+// (pseudo-header are skipped):
+// - the key must contain one or more characters.
+// - the characters in the key must be in [0-9 a-z _ - .].
+// - if the key ends with a "-bin" suffix, no validation of the corresponding
+// value is performed.
+// - the characters in every value must be printable (in [%x20-%x7E]).
+func ValidatePair(key string, vals ...string) error {
+ if err := ValidateKey(key); err != nil {
+ return err
+ }
+ if strings.HasSuffix(key, "-bin") {
+ return nil
+ }
+ // check value
+ for _, val := range vals {
+ if hasNotPrintable(val) {
+ return fmt.Errorf("header key %q contains value with non-printable ASCII characters", key)
+ }
+ }
+ return nil
+}