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mock_exporter.go
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mock_exporter.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package internal // import "go.opentelemetry.io/collector/processor/memorylimiterprocessor/internal"
import (
"context"
"sync/atomic"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/consumer/consumertest"
"go.opentelemetry.io/collector/pdata/plog"
)
type MockExporter struct {
destAvailable atomic.Bool
acceptedLogCount atomic.Int64
deliveredLogCount atomic.Int64
Logs consumertest.LogsSink
}
var _ consumer.Logs = (*MockExporter)(nil)
func (e *MockExporter) Capabilities() consumer.Capabilities {
return consumer.Capabilities{}
}
func (e *MockExporter) ConsumeLogs(ctx context.Context, ld plog.Logs) error {
e.acceptedLogCount.Add(int64(ld.LogRecordCount()))
if e.destAvailable.Load() {
// Destination is available, immediately deliver.
e.deliveredLogCount.Add(int64(ld.LogRecordCount()))
} else {
// Destination is not available. Queue the logs in the exporter.
return e.Logs.ConsumeLogs(ctx, ld)
}
return nil
}
func (e *MockExporter) SetDestAvailable(available bool) {
if available {
// Pretend we delivered all queued accepted logs.
e.deliveredLogCount.Add(int64(e.Logs.LogRecordCount()))
// Get rid of the delivered logs so that memory can be collected.
e.Logs.Reset()
// Now mark destination available so that subsequent ConsumeLogs
// don't queue the logs anymore.
e.destAvailable.Store(true)
} else {
e.destAvailable.Store(false)
}
}
func (e *MockExporter) AcceptedLogCount() int {
return int(e.acceptedLogCount.Load())
}
func (e *MockExporter) DeliveredLogCount() int {
return int(e.deliveredLogCount.Load())
}
func NewMockExporter() *MockExporter {
return &MockExporter{
destAvailable: atomic.Bool{},
acceptedLogCount: atomic.Int64{},
deliveredLogCount: atomic.Int64{},
Logs: consumertest.LogsSink{},
}
}