mirror of
https://gitee.com/milvus-io/milvus.git
synced 2025-12-06 17:18:35 +08:00
c3fe6473b8
issue: #45640 - log may be dropped if the underlying file system is busy. - use async write syncer to avoid the log operation block the milvus major system. - remove some log dependency from the until function to avoid dependency-loop. --------- Signed-off-by: chyezh <chyezh@outlook.com>
42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
package discoverer
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"google.golang.org/grpc/resolver"
|
|
|
|
"github.com/milvus-io/milvus/internal/util/streamingutil/service/attributes"
|
|
"github.com/milvus-io/milvus/pkg/v2/util/typeutil"
|
|
)
|
|
|
|
// Discoverer is the interface for the discoverer.
|
|
// Do not promise
|
|
// 1. concurrent safe.
|
|
// 2. the version of discovery may be repeated or decreasing. So user should check the version in callback.
|
|
type Discoverer interface {
|
|
// Discover watches the service discovery on these goroutine.
|
|
// 1. Call the callback when the discovery is changed, and block until the discovery is canceled or break down.
|
|
// 2. Discover should always send the current state first and then block.
|
|
Discover(ctx context.Context, cb func(VersionedState) error) error
|
|
}
|
|
|
|
// VersionedState is the state with version.
|
|
type VersionedState struct {
|
|
Version typeutil.Version
|
|
State resolver.State
|
|
}
|
|
|
|
func (v VersionedState) String() string {
|
|
as := make([]string, 0, len(v.State.Addresses))
|
|
for _, addr := range v.State.Addresses {
|
|
if nodeID := attributes.GetServerID(addr.Attributes); nodeID != nil {
|
|
as = append(as, fmt.Sprintf("%d@%s", *nodeID, addr.Addr))
|
|
continue
|
|
}
|
|
as = append(as, addr.Addr)
|
|
}
|
|
return fmt.Sprintf("Version: %s, Addrs: %s", v.Version, strings.Join(as, ","))
|
|
}
|