[VOL-5291] On demand statistics for ONU and OLT
Change-Id: I4850bb0f0d2235122cb0c1bcf835b3672bb34436
Signed-off-by: Akash Reddy Kankanala <akash.kankanala@radisys.com>
diff --git a/vendor/google.golang.org/grpc/internal/serviceconfig/duration.go b/vendor/google.golang.org/grpc/internal/serviceconfig/duration.go
new file mode 100644
index 0000000..11d82af
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/serviceconfig/duration.go
@@ -0,0 +1,130 @@
+/*
+ *
+ * Copyright 2023 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 serviceconfig
+
+import (
+ "encoding/json"
+ "fmt"
+ "math"
+ "strconv"
+ "strings"
+ "time"
+)
+
+// Duration defines JSON marshal and unmarshal methods to conform to the
+// protobuf JSON spec defined [here].
+//
+// [here]: https://protobuf.dev/reference/protobuf/google.protobuf/#duration
+type Duration time.Duration
+
+func (d Duration) String() string {
+ return fmt.Sprint(time.Duration(d))
+}
+
+// MarshalJSON converts from d to a JSON string output.
+func (d Duration) MarshalJSON() ([]byte, error) {
+ ns := time.Duration(d).Nanoseconds()
+ sec := ns / int64(time.Second)
+ ns = ns % int64(time.Second)
+
+ var sign string
+ if sec < 0 || ns < 0 {
+ sign, sec, ns = "-", -1*sec, -1*ns
+ }
+
+ // Generated output always contains 0, 3, 6, or 9 fractional digits,
+ // depending on required precision.
+ str := fmt.Sprintf("%s%d.%09d", sign, sec, ns)
+ str = strings.TrimSuffix(str, "000")
+ str = strings.TrimSuffix(str, "000")
+ str = strings.TrimSuffix(str, ".000")
+ return []byte(fmt.Sprintf("\"%ss\"", str)), nil
+}
+
+// UnmarshalJSON unmarshals b as a duration JSON string into d.
+func (d *Duration) UnmarshalJSON(b []byte) error {
+ var s string
+ if err := json.Unmarshal(b, &s); err != nil {
+ return err
+ }
+ if !strings.HasSuffix(s, "s") {
+ return fmt.Errorf("malformed duration %q: missing seconds unit", s)
+ }
+ neg := false
+ if s[0] == '-' {
+ neg = true
+ s = s[1:]
+ }
+ ss := strings.SplitN(s[:len(s)-1], ".", 3)
+ if len(ss) > 2 {
+ return fmt.Errorf("malformed duration %q: too many decimals", s)
+ }
+ // hasDigits is set if either the whole or fractional part of the number is
+ // present, since both are optional but one is required.
+ hasDigits := false
+ var sec, ns int64
+ if len(ss[0]) > 0 {
+ var err error
+ if sec, err = strconv.ParseInt(ss[0], 10, 64); err != nil {
+ return fmt.Errorf("malformed duration %q: %v", s, err)
+ }
+ // Maximum seconds value per the durationpb spec.
+ const maxProtoSeconds = 315_576_000_000
+ if sec > maxProtoSeconds {
+ return fmt.Errorf("out of range: %q", s)
+ }
+ hasDigits = true
+ }
+ if len(ss) == 2 && len(ss[1]) > 0 {
+ if len(ss[1]) > 9 {
+ return fmt.Errorf("malformed duration %q: too many digits after decimal", s)
+ }
+ var err error
+ if ns, err = strconv.ParseInt(ss[1], 10, 64); err != nil {
+ return fmt.Errorf("malformed duration %q: %v", s, err)
+ }
+ for i := 9; i > len(ss[1]); i-- {
+ ns *= 10
+ }
+ hasDigits = true
+ }
+ if !hasDigits {
+ return fmt.Errorf("malformed duration %q: contains no numbers", s)
+ }
+
+ if neg {
+ sec *= -1
+ ns *= -1
+ }
+
+ // Maximum/minimum seconds/nanoseconds representable by Go's time.Duration.
+ const maxSeconds = math.MaxInt64 / int64(time.Second)
+ const maxNanosAtMaxSeconds = math.MaxInt64 % int64(time.Second)
+ const minSeconds = math.MinInt64 / int64(time.Second)
+ const minNanosAtMinSeconds = math.MinInt64 % int64(time.Second)
+
+ if sec > maxSeconds || (sec == maxSeconds && ns >= maxNanosAtMaxSeconds) {
+ *d = Duration(math.MaxInt64)
+ } else if sec < minSeconds || (sec == minSeconds && ns <= minNanosAtMinSeconds) {
+ *d = Duration(math.MinInt64)
+ } else {
+ *d = Duration(sec*int64(time.Second) + ns)
+ }
+ return nil
+}