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5b08f89bfc
this shuffles things so there a single exporter API rather than an observer It also removes most of the globals. per telemetry type. Change-Id: Iaa82abe2ded1fff9df8e067ed4a55bcbd9d9591f Reviewed-on: https://go-review.googlesource.com/c/tools/+/190405 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
44 lines
1.0 KiB
Go
44 lines
1.0 KiB
Go
package protocol
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import (
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"context"
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"fmt"
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"golang.org/x/tools/internal/telemetry"
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"golang.org/x/tools/internal/telemetry/export"
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"golang.org/x/tools/internal/xcontext"
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)
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func init() {
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export.AddExporters(logExporter{})
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}
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type contextKey int
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const (
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clientKey = contextKey(iota)
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)
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func WithClient(ctx context.Context, client Client) context.Context {
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return context.WithValue(ctx, clientKey, client)
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}
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// logExporter sends the log event back to the client if there is one stored on the
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// context.
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type logExporter struct{}
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func (logExporter) StartSpan(context.Context, *telemetry.Span) {}
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func (logExporter) FinishSpan(context.Context, *telemetry.Span) {}
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func (logExporter) Log(ctx context.Context, event telemetry.Event) {
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client, ok := ctx.Value(clientKey).(Client)
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if !ok {
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return
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}
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msg := &LogMessageParams{Type: Info, Message: fmt.Sprint(event)}
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if event.Error != nil {
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msg.Type = Error
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}
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go client.LogMessage(xcontext.Detach(ctx), msg)
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}
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func (logExporter) Metric(context.Context, telemetry.MetricData) {}
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