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fda720b880
issue: #33285 - add two grpc resolver (by session and by streaming coord assignment service) - add one grpc balancer (by serverID and roundrobin) - add lazy conn to avoid block by first service discovery - add some utility function for streaming service Signed-off-by: chyezh <chyezh@outlook.com>
32 lines
891 B
Go
32 lines
891 B
Go
package adaptor
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import (
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"fmt"
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"github.com/milvus-io/milvus/internal/streamingnode/server/wal"
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"github.com/milvus-io/milvus/pkg/streaming/util/types"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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)
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type scannerRegistry struct {
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channel types.PChannelInfo
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idAllocator *typeutil.IDAllocator
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}
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// AllocateScannerName a scanner name for a scanner.
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// The scanner name should be persistent on meta for garbage clean up.
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func (m *scannerRegistry) AllocateScannerName() (string, error) {
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name := m.newSubscriptionName()
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// TODO: persistent the subscription name on meta.
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return name, nil
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}
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func (m *scannerRegistry) RegisterNewScanner(string, wal.Scanner) {
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}
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// newSubscriptionName generates a new subscription name.
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func (m *scannerRegistry) newSubscriptionName() string {
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id := m.idAllocator.Allocate()
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return fmt.Sprintf("%s/%d/%d", m.channel.Name, m.channel.Term, id)
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}
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