1014 lines
23 KiB
Go
1014 lines
23 KiB
Go
package services
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import (
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"context"
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"errors"
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"fmt"
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"github.com/redis/go-redis/v9"
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"strconv"
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"strings"
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"sync"
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"time"
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. "tinyrdm/backend/storage"
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"tinyrdm/backend/types"
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maputil "tinyrdm/backend/utils/map"
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mathutil "tinyrdm/backend/utils/math"
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redis2 "tinyrdm/backend/utils/redis"
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)
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type cmdHistoryItem struct {
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Timestamp int64 `json:"timestamp"`
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Server string `json:"server"`
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Cmd string `json:"cmd"`
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Cost int64 `json:"cost"`
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}
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type connectionService struct {
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ctx context.Context
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conns *ConnectionsStorage
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connMap map[string]connectionItem
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cmdHistory []cmdHistoryItem
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}
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type connectionItem struct {
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rdb *redis.Client
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ctx context.Context
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cancelFunc context.CancelFunc
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}
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type keyItem struct {
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Type string `json:"t"`
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}
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var connection *connectionService
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var onceConnection sync.Once
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func Connection() *connectionService {
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if connection == nil {
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onceConnection.Do(func() {
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connection = &connectionService{
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conns: NewConnections(),
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connMap: map[string]connectionItem{},
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}
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})
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}
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return connection
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}
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func (c *connectionService) Start(ctx context.Context) {
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c.ctx = ctx
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}
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func (c *connectionService) Stop(ctx context.Context) {
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for _, item := range c.connMap {
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if item.rdb != nil {
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item.cancelFunc()
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item.rdb.Close()
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}
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}
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c.connMap = map[string]connectionItem{}
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}
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func (c *connectionService) TestConnection(host string, port int, username, password string) (resp types.JSResp) {
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rdb := redis.NewClient(&redis.Options{
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Addr: fmt.Sprintf("%s:%d", host, port),
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Username: username,
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Password: password,
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})
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defer rdb.Close()
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if _, err := rdb.Ping(c.ctx).Result(); err != nil && err != redis.Nil {
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resp.Msg = err.Error()
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} else {
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resp.Success = true
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}
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return
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}
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// ListConnection list all saved connection in local profile
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func (c *connectionService) ListConnection() (resp types.JSResp) {
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resp.Success = true
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resp.Data = c.conns.GetConnections()
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return
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}
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// GetConnection get connection profile by name
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func (c *connectionService) GetConnection(name string) (resp types.JSResp) {
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conn := c.conns.GetConnection(name)
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resp.Success = conn != nil
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resp.Data = conn
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return
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}
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// SaveConnection save connection config to local profile
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func (c *connectionService) SaveConnection(name string, param types.ConnectionConfig) (resp types.JSResp) {
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var err error
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if len(name) > 0 {
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// update connection
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err = c.conns.UpdateConnection(name, param)
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} else {
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err = c.conns.CreateConnection(param)
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}
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if err != nil {
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resp.Msg = err.Error()
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} else {
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resp.Success = true
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}
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return
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}
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// DeleteConnection remove connection by name
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func (c *connectionService) DeleteConnection(name string) (resp types.JSResp) {
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err := c.conns.DeleteConnection(name)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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resp.Success = true
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return
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}
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// SaveSortedConnection save sorted connection after drag
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func (c *connectionService) SaveSortedConnection(sortedConns types.Connections) (resp types.JSResp) {
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err := c.conns.SaveSortedConnection(sortedConns)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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resp.Success = true
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return
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}
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// CreateGroup create a new group
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func (c *connectionService) CreateGroup(name string) (resp types.JSResp) {
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err := c.conns.CreateGroup(name)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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resp.Success = true
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return
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}
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// RenameGroup rename group
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func (c *connectionService) RenameGroup(name, newName string) (resp types.JSResp) {
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err := c.conns.RenameGroup(name, newName)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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resp.Success = true
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return
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}
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// DeleteGroup remove a group by name
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func (c *connectionService) DeleteGroup(name string, includeConn bool) (resp types.JSResp) {
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err := c.conns.DeleteGroup(name, includeConn)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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resp.Success = true
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return
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}
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// OpenConnection open redis server connection
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func (c *connectionService) OpenConnection(name string) (resp types.JSResp) {
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rdb, ctx, err := c.getRedisClient(name, 0)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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// get total databases
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config, err := rdb.ConfigGet(ctx, "databases").Result()
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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totaldb, err := strconv.Atoi(config["database"])
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if err != nil {
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totaldb = 16
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}
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// get database info
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res, err := rdb.Info(ctx, "keyspace").Result()
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if err != nil {
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resp.Msg = "get server info fail:" + err.Error()
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return
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}
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// Parse all db, response content like below
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var dbs []types.ConnectionDB
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info := c.parseInfo(res)
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for i := 0; i < totaldb; i++ {
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dbName := "db" + strconv.Itoa(i)
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dbInfoStr := info[dbName]
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if len(dbInfoStr) > 0 {
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dbInfo := c.parseDBItemInfo(dbInfoStr)
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dbs = append(dbs, types.ConnectionDB{
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Name: dbName,
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Keys: dbInfo["keys"],
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Expires: dbInfo["expires"],
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AvgTTL: dbInfo["avg_ttl"],
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})
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} else {
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dbs = append(dbs, types.ConnectionDB{
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Name: dbName,
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})
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}
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}
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resp.Success = true
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resp.Data = map[string]any{
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"db": dbs,
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}
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return
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}
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// CloseConnection close redis server connection
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func (c *connectionService) CloseConnection(name string) (resp types.JSResp) {
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item, ok := c.connMap[name]
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if ok {
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delete(c.connMap, name)
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if item.rdb != nil {
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item.cancelFunc()
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item.rdb.Close()
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}
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}
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resp.Success = true
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return
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}
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// get redis client from local cache or create a new open
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// if db >= 0, will also switch to db index
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func (c *connectionService) getRedisClient(connName string, db int) (*redis.Client, context.Context, error) {
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item, ok := c.connMap[connName]
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var rdb *redis.Client
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var ctx context.Context
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if ok {
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rdb, ctx = item.rdb, item.ctx
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} else {
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selConn := c.conns.GetConnection(connName)
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if selConn == nil {
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return nil, nil, fmt.Errorf("no match connection \"%s\"", connName)
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}
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rdb = redis.NewClient(&redis.Options{
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Addr: fmt.Sprintf("%s:%d", selConn.Addr, selConn.Port),
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Username: selConn.Username,
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Password: selConn.Password,
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DialTimeout: time.Duration(selConn.ConnTimeout) * time.Second,
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ReadTimeout: time.Duration(selConn.ExecTimeout) * time.Second,
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WriteTimeout: time.Duration(selConn.ExecTimeout) * time.Second,
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})
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rdb.AddHook(redis2.NewHook(connName, func(cmd string, cost int64) {
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now := time.Now()
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//last := strings.LastIndex(cmd, ":")
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//if last != -1 {
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// cmd = cmd[:last]
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//}
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c.cmdHistory = append(c.cmdHistory, cmdHistoryItem{
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Timestamp: now.UnixMilli(),
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Server: connName,
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Cmd: cmd,
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Cost: cost,
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})
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}))
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if _, err := rdb.Ping(c.ctx).Result(); err != nil && err != redis.Nil {
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return nil, nil, errors.New("can not connect to redis server:" + err.Error())
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}
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var cancelFunc context.CancelFunc
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ctx, cancelFunc = context.WithCancel(c.ctx)
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c.connMap[connName] = connectionItem{
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rdb: rdb,
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ctx: ctx,
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cancelFunc: cancelFunc,
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}
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}
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if db >= 0 {
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if err := rdb.Do(ctx, "select", strconv.Itoa(db)).Err(); err != nil {
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return nil, nil, err
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}
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}
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return rdb, ctx, nil
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}
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// parse command response content which use "redis info"
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// # Keyspace\r\ndb0:keys=2,expires=1,avg_ttl=1877111749\r\ndb1:keys=33,expires=0,avg_ttl=0\r\ndb3:keys=17,expires=0,avg_ttl=0\r\ndb5:keys=3,expires=0,avg_ttl=0\r\n
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func (c *connectionService) parseInfo(info string) map[string]string {
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parsedInfo := map[string]string{}
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lines := strings.Split(info, "\r\n")
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if len(lines) > 0 {
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for _, line := range lines {
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if !strings.HasPrefix(line, "#") {
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items := strings.SplitN(line, ":", 2)
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if len(items) < 2 {
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continue
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}
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parsedInfo[items[0]] = items[1]
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}
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}
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}
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return parsedInfo
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}
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// parse db item value, content format like below
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// keys=2,expires=1,avg_ttl=1877111749
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func (c *connectionService) parseDBItemInfo(info string) map[string]int {
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ret := map[string]int{}
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items := strings.Split(info, ",")
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for _, item := range items {
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kv := strings.SplitN(item, "=", 2)
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if len(kv) > 1 {
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ret[kv[0]], _ = strconv.Atoi(kv[1])
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}
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}
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return ret
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}
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// ServerInfo get server info
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func (c *connectionService) ServerInfo(name string) (resp types.JSResp) {
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rdb, ctx, err := c.getRedisClient(name, 0)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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// get database info
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res, err := rdb.Info(ctx).Result()
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if err != nil {
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resp.Msg = "get server info fail:" + err.Error()
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return
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}
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resp.Success = true
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resp.Data = c.parseInfo(res)
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return
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}
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// OpenDatabase open select database, and list all keys
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// @param path contain connection name and db name
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func (c *connectionService) OpenDatabase(connName string, db int, match string, keyType string) (resp types.JSResp) {
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return c.ScanKeys(connName, db, match, keyType)
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}
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// ScanKeys scan all keys
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func (c *connectionService) ScanKeys(connName string, db int, match, keyType string) (resp types.JSResp) {
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rdb, ctx, err := c.getRedisClient(connName, db)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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filterType := len(keyType) > 0
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var keys []string
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//keys := map[string]keyItem{}
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var cursor uint64
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for {
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var loadedKey []string
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if filterType {
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loadedKey, cursor, err = rdb.ScanType(ctx, cursor, match, 10000, keyType).Result()
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} else {
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loadedKey, cursor, err = rdb.Scan(ctx, cursor, match, 10000).Result()
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}
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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keys = append(keys, loadedKey...)
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//for _, k := range loadedKey {
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// //t, _ := rdb.Type(ctx, k).Result()
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// keys[k] = keyItem{Type: "t"}
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//}
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//keys = append(keys, loadedKey...)
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// no more loadedKey
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if cursor == 0 {
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break
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}
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}
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resp.Success = true
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resp.Data = map[string]any{
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"keys": keys,
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}
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return
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}
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// GetKeyValue get value by key
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func (c *connectionService) GetKeyValue(connName string, db int, key string) (resp types.JSResp) {
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rdb, ctx, err := c.getRedisClient(connName, db)
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if err != nil {
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resp.Msg = err.Error()
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return
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}
|
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|
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var keyType string
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var dur time.Duration
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keyType, err = rdb.Type(ctx, key).Result()
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if err != nil {
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resp.Msg = err.Error()
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return
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}
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|
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if keyType == "none" {
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resp.Msg = "key not exists"
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return
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}
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var ttl int64
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if dur, err = rdb.TTL(ctx, key).Result(); err != nil {
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ttl = -1
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} else {
|
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if dur < 0 {
|
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ttl = -1
|
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} else {
|
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ttl = int64(dur.Seconds())
|
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}
|
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}
|
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|
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var value any
|
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var cursor uint64
|
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switch strings.ToLower(keyType) {
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case "string":
|
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value, err = rdb.Get(ctx, key).Result()
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case "list":
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value, err = rdb.LRange(ctx, key, 0, -1).Result()
|
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case "hash":
|
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//value, err = rdb.HGetAll(ctx, key).Result()
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items := map[string]string{}
|
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for {
|
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var loadedVal []string
|
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loadedVal, cursor, err = rdb.HScan(ctx, key, cursor, "*", 10000).Result()
|
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if err != nil {
|
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resp.Msg = err.Error()
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return
|
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}
|
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for i := 0; i < len(loadedVal); i += 2 {
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items[loadedVal[i]] = loadedVal[i+1]
|
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}
|
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if cursor == 0 {
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break
|
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}
|
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}
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value = items
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case "set":
|
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//value, err = rdb.SMembers(ctx, key).Result()
|
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items := []string{}
|
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for {
|
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var loadedKey []string
|
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loadedKey, cursor, err = rdb.SScan(ctx, key, cursor, "*", 10000).Result()
|
|
if err != nil {
|
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resp.Msg = err.Error()
|
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return
|
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}
|
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items = append(items, loadedKey...)
|
|
if cursor == 0 {
|
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break
|
|
}
|
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}
|
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value = items
|
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case "zset":
|
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//value, err = rdb.ZRangeWithScores(ctx, key, 0, -1).Result()
|
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var items []types.ZSetItem
|
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for {
|
|
var loadedVal []string
|
|
loadedVal, cursor, err = rdb.ZScan(ctx, key, cursor, "*", 10000).Result()
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
var score float64
|
|
for i := 0; i < len(loadedVal); i += 2 {
|
|
if score, err = strconv.ParseFloat(loadedVal[i+1], 64); err == nil {
|
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items = append(items, types.ZSetItem{
|
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Value: loadedVal[i],
|
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Score: score,
|
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})
|
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}
|
|
}
|
|
if cursor == 0 {
|
|
break
|
|
}
|
|
}
|
|
value = items
|
|
}
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
resp.Success = true
|
|
resp.Data = map[string]any{
|
|
"type": keyType,
|
|
"ttl": ttl,
|
|
"value": value,
|
|
}
|
|
return
|
|
}
|
|
|
|
// SetKeyValue set value by key
|
|
func (c *connectionService) SetKeyValue(connName string, db int, key, keyType string, value any, ttl int64) (resp types.JSResp) {
|
|
rdb, ctx, err := c.getRedisClient(connName, db)
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
var expiration time.Duration
|
|
if ttl < 0 {
|
|
expiration = redis.KeepTTL
|
|
} else {
|
|
expiration = time.Duration(ttl) * time.Second
|
|
}
|
|
switch strings.ToLower(keyType) {
|
|
case "string":
|
|
if str, ok := value.(string); !ok {
|
|
resp.Msg = "invalid string value"
|
|
return
|
|
} else {
|
|
_, err = rdb.Set(ctx, key, str, expiration).Result()
|
|
}
|
|
case "list":
|
|
if strs, ok := value.([]any); !ok {
|
|
resp.Msg = "invalid list value"
|
|
return
|
|
} else {
|
|
_, err = rdb.Pipelined(ctx, func(pipe redis.Pipeliner) error {
|
|
pipe.LPush(ctx, key, strs...)
|
|
if expiration > 0 {
|
|
pipe.Expire(ctx, key, expiration)
|
|
}
|
|
return nil
|
|
})
|
|
}
|
|
case "hash":
|
|
if strs, ok := value.([]any); !ok {
|
|
resp.Msg = "invalid hash value"
|
|
return
|
|
} else {
|
|
if len(strs) > 1 {
|
|
kvs := map[string]any{}
|
|
for i := 0; i < len(strs); i += 2 {
|
|
kvs[strs[i].(string)] = strs[i+1]
|
|
}
|
|
err = rdb.HSet(ctx, key, kvs).Err()
|
|
if err == nil && expiration > 0 {
|
|
rdb.Expire(ctx, key, expiration)
|
|
}
|
|
}
|
|
}
|
|
case "set":
|
|
if strs, ok := value.([]any); !ok || len(strs) <= 0 {
|
|
resp.Msg = "invalid set value"
|
|
return
|
|
} else {
|
|
if len(strs) > 0 {
|
|
err = rdb.SAdd(ctx, key, strs...).Err()
|
|
if err == nil && expiration > 0 {
|
|
rdb.Expire(ctx, key, expiration)
|
|
}
|
|
}
|
|
}
|
|
case "zset":
|
|
if strs, ok := value.([]any); !ok || len(strs) <= 0 {
|
|
resp.Msg = "invalid zset value"
|
|
return
|
|
} else {
|
|
if len(strs) > 1 {
|
|
var members []redis.Z
|
|
for i := 0; i < len(strs); i += 2 {
|
|
score, _ := strconv.ParseFloat(strs[i+1].(string), 64)
|
|
members = append(members, redis.Z{
|
|
Score: score,
|
|
Member: strs[i],
|
|
})
|
|
}
|
|
err = rdb.ZAdd(ctx, key, members...).Err()
|
|
if err == nil && expiration > 0 {
|
|
rdb.Expire(ctx, key, expiration)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
resp.Success = true
|
|
resp.Data = map[string]any{
|
|
"value": value,
|
|
}
|
|
return
|
|
}
|
|
|
|
// SetHashValue set hash field
|
|
func (c *connectionService) SetHashValue(connName string, db int, key, field, newField, value string) (resp types.JSResp) {
|
|
rdb, ctx, err := c.getRedisClient(connName, db)
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
var removedField []string
|
|
updatedField := map[string]string{}
|
|
if len(field) <= 0 {
|
|
// old filed is empty, add new field
|
|
_, err = rdb.HSet(ctx, key, newField, value).Result()
|
|
updatedField[newField] = value
|
|
} else if len(newField) <= 0 {
|
|
// new field is empty, delete old field
|
|
_, err = rdb.HDel(ctx, key, field, value).Result()
|
|
removedField = append(removedField, field)
|
|
} else if field == newField {
|
|
// replace field
|
|
_, err = rdb.HSet(ctx, key, newField, value).Result()
|
|
updatedField[newField] = value
|
|
} else {
|
|
// remove old field and add new field
|
|
if _, err = rdb.HDel(ctx, key, field).Result(); err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
_, err = rdb.HSet(ctx, key, newField, value).Result()
|
|
removedField = append(removedField, field)
|
|
updatedField[newField] = value
|
|
}
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
resp.Success = true
|
|
resp.Data = map[string]any{
|
|
"removed": removedField,
|
|
"updated": updatedField,
|
|
}
|
|
return
|
|
}
|
|
|
|
// AddHashField add or update hash field
|
|
func (c *connectionService) AddHashField(connName string, db int, key string, action int, fieldItems []any) (resp types.JSResp) {
|
|
rdb, ctx, err := c.getRedisClient(connName, db)
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
updated := map[string]any{}
|
|
switch action {
|
|
case 1:
|
|
// ignore duplicated fields
|
|
for i := 0; i < len(fieldItems); i += 2 {
|
|
_, err = rdb.HSetNX(ctx, key, fieldItems[i].(string), fieldItems[i+1]).Result()
|
|
if err == nil {
|
|
updated[fieldItems[i].(string)] = fieldItems[i+1]
|
|
}
|
|
}
|
|
default:
|
|
// overwrite duplicated fields
|
|
_, err = rdb.HSet(ctx, key, fieldItems...).Result()
|
|
for i := 0; i < len(fieldItems); i += 2 {
|
|
updated[fieldItems[i].(string)] = fieldItems[i+1]
|
|
}
|
|
}
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
resp.Success = true
|
|
resp.Data = map[string]any{
|
|
"updated": updated,
|
|
}
|
|
return
|
|
}
|
|
|
|
// AddListItem add item to list or remove from it
|
|
func (c *connectionService) AddListItem(connName string, db int, key string, action int, items []any) (resp types.JSResp) {
|
|
rdb, ctx, err := c.getRedisClient(connName, db)
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
var leftPush, rightPush []any
|
|
switch action {
|
|
case 0:
|
|
// push to head
|
|
_, err = rdb.LPush(ctx, key, items...).Result()
|
|
leftPush = append(leftPush, items...)
|
|
default:
|
|
// append to tail
|
|
_, err = rdb.RPush(ctx, key, items...).Result()
|
|
rightPush = append(rightPush, items...)
|
|
}
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
resp.Success = true
|
|
resp.Data = map[string]any{
|
|
"left": leftPush,
|
|
"right": rightPush,
|
|
}
|
|
return
|
|
}
|
|
|
|
// SetListItem update or remove list item by index
|
|
func (c *connectionService) SetListItem(connName string, db int, key string, index int64, value string) (resp types.JSResp) {
|
|
rdb, ctx, err := c.getRedisClient(connName, db)
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
var removed []int64
|
|
updated := map[int64]string{}
|
|
if len(value) <= 0 {
|
|
// remove from list
|
|
err = rdb.LSet(ctx, key, index, "---VALUE_REMOVED_BY_TINY_RDM---").Err()
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
err = rdb.LRem(ctx, key, 1, "---VALUE_REMOVED_BY_TINY_RDM---").Err()
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
removed = append(removed, index)
|
|
} else {
|
|
// replace index value
|
|
err = rdb.LSet(ctx, key, index, value).Err()
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
updated[index] = value
|
|
}
|
|
|
|
resp.Success = true
|
|
resp.Data = map[string]any{
|
|
"removed": removed,
|
|
"updated": updated,
|
|
}
|
|
return
|
|
}
|
|
|
|
// SetSetItem add members to set or remove from set
|
|
func (c *connectionService) SetSetItem(connName string, db int, key string, remove bool, members []any) (resp types.JSResp) {
|
|
rdb, ctx, err := c.getRedisClient(connName, db)
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
if remove {
|
|
_, err = rdb.SRem(ctx, key, members...).Result()
|
|
} else {
|
|
_, err = rdb.SAdd(ctx, key, members...).Result()
|
|
}
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
resp.Success = true
|
|
return
|
|
}
|
|
|
|
// UpdateSetItem replace member of set
|
|
func (c *connectionService) UpdateSetItem(connName string, db int, key, value, newValue string) (resp types.JSResp) {
|
|
rdb, ctx, err := c.getRedisClient(connName, db)
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
_, _ = rdb.SRem(ctx, key, value).Result()
|
|
_, err = rdb.SAdd(ctx, key, newValue).Result()
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
resp.Success = true
|
|
return
|
|
}
|
|
|
|
// UpdateZSetValue update value of sorted set member
|
|
func (c *connectionService) UpdateZSetValue(connName string, db int, key, value, newValue string, score float64) (resp types.JSResp) {
|
|
rdb, ctx, err := c.getRedisClient(connName, db)
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
updated := map[string]any{}
|
|
var removed []string
|
|
if len(newValue) <= 0 {
|
|
// blank new value, delete value
|
|
_, err = rdb.ZRem(ctx, key, value).Result()
|
|
if err == nil {
|
|
removed = append(removed, value)
|
|
}
|
|
} else if newValue == value {
|
|
// update score only
|
|
_, err = rdb.ZAdd(ctx, key, redis.Z{
|
|
Score: score,
|
|
Member: value,
|
|
}).Result()
|
|
} else {
|
|
// remove old value and add new one
|
|
_, err = rdb.ZRem(ctx, key, value).Result()
|
|
if err == nil {
|
|
removed = append(removed, value)
|
|
}
|
|
|
|
_, err = rdb.ZAdd(ctx, key, redis.Z{
|
|
Score: score,
|
|
Member: newValue,
|
|
}).Result()
|
|
if err == nil {
|
|
updated[newValue] = score
|
|
}
|
|
}
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
resp.Success = true
|
|
resp.Data = map[string]any{
|
|
"updated": updated,
|
|
"removed": removed,
|
|
}
|
|
return
|
|
}
|
|
|
|
// AddZSetValue add item to sorted set
|
|
func (c *connectionService) AddZSetValue(connName string, db int, key string, action int, valueScore map[string]float64) (resp types.JSResp) {
|
|
rdb, ctx, err := c.getRedisClient(connName, db)
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
members := maputil.ToSlice(valueScore, func(k string) redis.Z {
|
|
return redis.Z{
|
|
Score: valueScore[k],
|
|
Member: k,
|
|
}
|
|
})
|
|
|
|
switch action {
|
|
case 1:
|
|
// ignore duplicated fields
|
|
_, err = rdb.ZAddNX(ctx, key, members...).Result()
|
|
default:
|
|
// overwrite duplicated fields
|
|
_, err = rdb.ZAdd(ctx, key, members...).Result()
|
|
}
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
resp.Success = true
|
|
return
|
|
}
|
|
|
|
// SetKeyTTL set ttl of key
|
|
func (c *connectionService) SetKeyTTL(connName string, db int, key string, ttl int64) (resp types.JSResp) {
|
|
rdb, ctx, err := c.getRedisClient(connName, db)
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
var expiration time.Duration
|
|
if ttl < 0 {
|
|
if err = rdb.Persist(ctx, key).Err(); err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
} else {
|
|
expiration = time.Duration(ttl) * time.Second
|
|
if err = rdb.Expire(ctx, key, expiration).Err(); err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
}
|
|
|
|
resp.Success = true
|
|
return
|
|
}
|
|
|
|
// DeleteKey remove redis key
|
|
func (c *connectionService) DeleteKey(connName string, db int, key string) (resp types.JSResp) {
|
|
rdb, ctx, err := c.getRedisClient(connName, db)
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
var deletedKeys []string
|
|
|
|
if strings.HasSuffix(key, "*") {
|
|
// delete by prefix
|
|
var cursor uint64
|
|
for {
|
|
var loadedKey []string
|
|
if loadedKey, cursor, err = rdb.Scan(ctx, cursor, key, 10000).Result(); err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
} else {
|
|
if err = rdb.Del(ctx, loadedKey...).Err(); err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
} else {
|
|
deletedKeys = append(deletedKeys, loadedKey...)
|
|
}
|
|
}
|
|
|
|
// no more loadedKey
|
|
if cursor == 0 {
|
|
break
|
|
}
|
|
}
|
|
} else {
|
|
// delete key only
|
|
_, err = rdb.Del(ctx, key).Result()
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
deletedKeys = append(deletedKeys, key)
|
|
}
|
|
|
|
resp.Success = true
|
|
resp.Data = map[string]any{
|
|
"deleted": deletedKeys,
|
|
}
|
|
return
|
|
}
|
|
|
|
// RenameKey rename key
|
|
func (c *connectionService) RenameKey(connName string, db int, key, newKey string) (resp types.JSResp) {
|
|
rdb, ctx, err := c.getRedisClient(connName, db)
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
_, err = rdb.RenameNX(ctx, key, newKey).Result()
|
|
if err != nil {
|
|
resp.Msg = err.Error()
|
|
return
|
|
}
|
|
|
|
resp.Success = true
|
|
return
|
|
}
|
|
|
|
func (c *connectionService) GetCmdHistory(pageNo, pageSize int) (resp types.JSResp) {
|
|
resp.Success = true
|
|
if pageSize <= 0 || pageNo <= 0 {
|
|
// return all history
|
|
resp.Data = map[string]any{
|
|
"list": c.cmdHistory,
|
|
"pageNo": 1,
|
|
"pageSize": -1,
|
|
}
|
|
} else {
|
|
total := len(c.cmdHistory)
|
|
startIndex := total / pageSize * (pageNo - 1)
|
|
endIndex := mathutil.Min(startIndex+pageSize, total)
|
|
resp.Data = map[string]any{
|
|
"list": c.cmdHistory[startIndex:endIndex],
|
|
"pageNo": pageNo,
|
|
"pageSize": pageSize,
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
// update or insert key info to database
|
|
//func (c *connectionService) updateDBKey(connName string, db int, keys []string, separator string) {
|
|
// dbStruct := map[string]any{}
|
|
// for _, key := range keys {
|
|
// keyPart := strings.Split(key, separator)
|
|
// prefixLen := len(keyPart)-1
|
|
// if prefixLen > 0 {
|
|
// for i := 0; i < prefixLen; i++ {
|
|
// if dbStruct[keyPart[i]]
|
|
// keyPart[i]
|
|
// }
|
|
// }
|
|
// log.Println("key", key)
|
|
// }
|
|
//}
|