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3327df72e4
issue: #43897 - The original broadcast ack operation need to recover message from etcd, which can not support cdc. - immutable message will set as the ack parameter to fix it. Signed-off-by: chyezh <chyezh@outlook.com>
53 lines
1.9 KiB
Go
53 lines
1.9 KiB
Go
package registry
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import (
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"context"
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"fmt"
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"github.com/cockroachdb/errors"
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"google.golang.org/protobuf/proto"
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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/util/syncutil"
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)
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// MessageAckCallback is the callback function for the message type.
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type (
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MessageAckCallback[H proto.Message, B proto.Message] = func(ctx context.Context, params message.SpecializedImmutableMessage[H, B]) error
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messageInnerAckCallback = func(ctx context.Context, msgs message.ImmutableMessage) error
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)
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// messageAckCallbacks is the map of message type to the callback function.
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var messageAckCallbacks map[message.MessageTypeWithVersion]*syncutil.Future[messageInnerAckCallback]
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// registerMessageAckCallback registers the callback function for the message type.
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func registerMessageAckCallback[H proto.Message, B proto.Message](callback MessageAckCallback[H, B]) {
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typ := message.MustGetMessageTypeWithVersion[H, B]()
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future, ok := messageAckCallbacks[typ]
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if !ok {
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panic(fmt.Sprintf("the future of message callback for type %s is not registered", typ))
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}
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if future.Ready() {
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// only for test, the register callback should be called once and only once
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return
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}
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future.Set(func(ctx context.Context, msgs message.ImmutableMessage) error {
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specializedMsg := message.MustAsSpecializedImmutableMessage[H, B](msgs)
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return callback(ctx, specializedMsg)
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})
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}
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// CallMessageAckCallback calls the callback function for the message type.
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func CallMessageAckCallback(ctx context.Context, msg message.ImmutableMessage) error {
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callbackFuture, ok := messageAckCallbacks[msg.MessageTypeWithVersion()]
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if !ok {
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// No callback need tobe called, return nil
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return nil
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}
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callback, err := callbackFuture.GetWithContext(ctx)
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if err != nil {
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return errors.Wrap(err, "when waiting callback registered")
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}
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return callback(ctx, msg)
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}
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