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19e5e9f910
issue: #43897 - Return LastConfirmedMessageID when wal append operation. - Add resource-key-based locker for broadcast-ack operation to protect the coord state when executing ddl. - Resource-key-based locker is held until the broadcast operation is acked. - ResourceKey support shared and exclusive lock. - Add FastAck execute ack right away after the broadcast done to speed up ddl. - Ack callback will support broadcast message result now. - Add tombstone for broadcaster to avoid to repeatedly commit DDL and ABA issue. --------- Signed-off-by: chyezh <chyezh@outlook.com>
40 lines
1.4 KiB
Go
40 lines
1.4 KiB
Go
package broadcaster
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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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)
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type Broadcaster interface {
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// WithResourceKeys sets the resource keys of the broadcast operation.
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// It will acquire locks of the resource keys and return the broadcast api.
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// Once the broadcast api is returned, the Close() method of the broadcast api should be called to release the resource safely.
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WithResourceKeys(ctx context.Context, resourceKeys ...message.ResourceKey) (BroadcastAPI, error)
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// LegacyAck is the legacy ack interface for the 2.6.0 import message.
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LegacyAck(ctx context.Context, broadcastID uint64, vchannel string) error
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// Ack acknowledges the message at the specified vchannel.
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Ack(ctx context.Context, msg message.ImmutableMessage) error
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// Close closes the broadcaster.
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Close()
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}
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type BroadcastAPI interface {
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// Broadcast broadcasts the message to all channels.
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Broadcast(ctx context.Context, msg message.BroadcastMutableMessage) (*types.BroadcastAppendResult, error)
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// Close releases the resource keys that broadcast api holds.
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Close()
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}
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// AppendOperator is used to append messages, there's only two implement of this interface:
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// 1. streaming.WAL()
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// 2. old msgstream interface [deprecated]
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type AppendOperator interface {
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AppendMessages(ctx context.Context, msgs ...message.MutableMessage) types.AppendResponses
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}
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