VOL-4925 - Build and release components.
Misc/
o Bulk copyright notice udpate to 2023.
go.mod
go.sum
------
o Bump component version strings to the latest release.
Cosmetic edit to force a build.
Change-Id: Icc8869463d1f1a4451938466c39fcc3d11ebad73
diff --git a/vendor/go.opentelemetry.io/otel/api/global/handler.go b/vendor/go.opentelemetry.io/otel/api/global/handler.go
new file mode 100644
index 0000000..83f3e52
--- /dev/null
+++ b/vendor/go.opentelemetry.io/otel/api/global/handler.go
@@ -0,0 +1,91 @@
+// Copyright The OpenTelemetry 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 global
+
+import (
+ "log"
+ "os"
+ "sync"
+ "sync/atomic"
+
+ "go.opentelemetry.io/otel"
+)
+
+var (
+ // globalErrorHandler provides an ErrorHandler that can be used
+ // throughout an OpenTelemetry instrumented project. When a user
+ // specified ErrorHandler is registered (`SetErrorHandler`) all calls to
+ // `Handle` and will be delegated to the registered ErrorHandler.
+ globalErrorHandler = &loggingErrorHandler{
+ l: log.New(os.Stderr, "", log.LstdFlags),
+ }
+
+ // delegateErrorHandlerOnce ensures that a user provided ErrorHandler is
+ // only ever registered once.
+ delegateErrorHandlerOnce sync.Once
+
+ // Comiple time check that loggingErrorHandler implements ErrorHandler.
+ _ otel.ErrorHandler = (*loggingErrorHandler)(nil)
+)
+
+// loggingErrorHandler logs all errors to STDERR.
+type loggingErrorHandler struct {
+ delegate atomic.Value
+
+ l *log.Logger
+}
+
+// setDelegate sets the ErrorHandler delegate if one is not already set.
+func (h *loggingErrorHandler) setDelegate(d otel.ErrorHandler) {
+ if h.delegate.Load() != nil {
+ // Delegate already registered
+ return
+ }
+ h.delegate.Store(d)
+}
+
+// Handle implements otel.ErrorHandler.
+func (h *loggingErrorHandler) Handle(err error) {
+ if d := h.delegate.Load(); d != nil {
+ d.(otel.ErrorHandler).Handle(err)
+ return
+ }
+ h.l.Print(err)
+}
+
+// ErrorHandler returns the global ErrorHandler instance. If no ErrorHandler
+// instance has been set (`SetErrorHandler`), the default ErrorHandler which
+// logs errors to STDERR is returned.
+func ErrorHandler() otel.ErrorHandler {
+ return globalErrorHandler
+}
+
+// SetErrorHandler sets the global ErrorHandler to be h.
+func SetErrorHandler(h otel.ErrorHandler) {
+ delegateErrorHandlerOnce.Do(func() {
+ current := ErrorHandler()
+ if current == h {
+ return
+ }
+ if internalHandler, ok := current.(*loggingErrorHandler); ok {
+ internalHandler.setDelegate(h)
+ }
+ })
+}
+
+// Handle is a convience function for ErrorHandler().Handle(err)
+func Handle(err error) {
+ ErrorHandler().Handle(err)
+}