mirror of https://github.com/milvus-io/milvus.git
42 lines
1.2 KiB
Go
42 lines
1.2 KiB
Go
package streaming
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import (
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"context"
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"github.com/milvus-io/milvus/pkg/v2/streaming/util/message"
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"github.com/milvus-io/milvus/pkg/v2/streaming/util/types"
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"github.com/milvus-io/milvus/pkg/v2/util/retry"
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"github.com/milvus-io/milvus/pkg/v2/util/typeutil"
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)
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var _ Broadcast = broadcast{}
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type broadcast struct {
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*walAccesserImpl
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}
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func (b broadcast) Append(ctx context.Context, msg message.BroadcastMutableMessage) (*types.BroadcastAppendResult, error) {
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assertValidBroadcastMessage(msg)
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if !b.lifetime.Add(typeutil.LifetimeStateWorking) {
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return nil, ErrWALAccesserClosed
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}
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defer b.lifetime.Done()
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// The broadcast operation will be sent to the coordinator.
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// The coordinator will dispatch the message to all the vchannels with an eventual consistency guarantee.
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return b.streamingCoordClient.Broadcast().Broadcast(ctx, msg)
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}
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func (b broadcast) Ack(ctx context.Context, req types.BroadcastAckRequest) error {
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if !b.lifetime.Add(typeutil.LifetimeStateWorking) {
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// should be an unreachable error.
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return ErrWALAccesserClosed
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}
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defer b.lifetime.Done()
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// retry until the ctx is canceled.
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return retry.Do(ctx, func() error {
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return b.streamingCoordClient.Broadcast().Ack(ctx, req)
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}, retry.AttemptAlways())
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}
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