mirror of
https://gitee.com/milvus-io/milvus.git
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123 lines
2.5 KiB
Go
123 lines
2.5 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package session
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import "sync"
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type Manager interface {
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Add(node *NodeInfo)
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Remove(nodeID int64)
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Get(nodeID int64) *NodeInfo
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GetAll() []*NodeInfo
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}
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type NodeManager struct {
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mu sync.RWMutex
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nodes map[int64]*NodeInfo
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}
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func (m *NodeManager) Add(node *NodeInfo) {
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m.mu.Lock()
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defer m.mu.Unlock()
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m.nodes[node.ID()] = node
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}
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func (m *NodeManager) Remove(nodeID int64) {
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m.mu.Lock()
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defer m.mu.Unlock()
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delete(m.nodes, nodeID)
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}
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func (m *NodeManager) Get(nodeID int64) *NodeInfo {
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m.mu.RLock()
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defer m.mu.RUnlock()
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return m.nodes[nodeID]
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}
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func (m *NodeManager) GetAll() []*NodeInfo {
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m.mu.RLock()
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defer m.mu.RUnlock()
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ret := make([]*NodeInfo, 0, len(m.nodes))
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for _, n := range m.nodes {
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ret = append(ret, n)
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}
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return ret
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}
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func NewNodeManager() *NodeManager {
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return &NodeManager{
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nodes: make(map[int64]*NodeInfo),
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}
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}
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type NodeInfo struct {
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stats
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mu sync.RWMutex
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id int64
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addr string
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}
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func (n *NodeInfo) ID() int64 {
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return n.id
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}
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func (n *NodeInfo) Addr() string {
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return n.addr
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}
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func (n *NodeInfo) SegmentCnt() int {
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n.mu.RLock()
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defer n.mu.RUnlock()
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return n.stats.getSegmentCnt()
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}
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func (n *NodeInfo) ChannelCnt() int {
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n.mu.RLock()
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defer n.mu.RUnlock()
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return n.stats.getChannelCnt()
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}
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func (n *NodeInfo) UpdateStats(opts ...StatsOption) {
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n.mu.Lock()
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for _, opt := range opts {
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opt(n)
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}
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n.mu.Unlock()
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}
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func NewNodeInfo(id int64, addr string) *NodeInfo {
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return &NodeInfo{
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stats: newStats(),
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id: id,
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addr: addr,
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}
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}
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type StatsOption func(*NodeInfo)
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func WithSegmentCnt(cnt int) StatsOption {
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return func(n *NodeInfo) {
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n.setSegmentCnt(cnt)
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}
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}
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func WithChannelCnt(cnt int) StatsOption {
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return func(n *NodeInfo) {
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n.setChannelCnt(cnt)
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}
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}
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