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https://github.com/open-telemetry/opentelemetry-go.git
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44 lines
1.8 KiB
Go
44 lines
1.8 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package otlpmetric // import "go.opentelemetry.io/otel/exporters/otlp/otlpmetric"
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import (
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"context"
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metricpb "go.opentelemetry.io/proto/otlp/metrics/v1"
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)
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// Client manages connections to the collector, handles the
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// transformation of data into wire format, and the transmission of that
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// data to the collector.
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type Client interface {
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// Start should establish connection(s) to endpoint(s). It is
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// called just once by the exporter, so the implementation
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// does not need to worry about idempotence and locking.
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Start(ctx context.Context) error
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// Stop should close the connections. The function is called
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// only once by the exporter, so the implementation does not
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// need to worry about idempotence, but it may be called
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// concurrently with UploadMetrics, so proper
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// locking is required. The function serves as a
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// synchronization point - after the function returns, the
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// process of closing connections is assumed to be finished.
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Stop(ctx context.Context) error
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// UploadMetrics should transform the passed metrics to the
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// wire format and send it to the collector. May be called
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// concurrently.
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UploadMetrics(ctx context.Context, protoMetrics []*metricpb.ResourceMetrics) error
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}
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