package services import ( "context" "encoding/csv" "encoding/hex" "encoding/json" "errors" "fmt" "github.com/redis/go-redis/v9" "github.com/wailsapp/wails/v2/pkg/runtime" "net/url" "os" "slices" "sort" "strconv" "strings" "sync" "sync/atomic" "time" "tinyrdm/backend/consts" "tinyrdm/backend/types" "tinyrdm/backend/utils/coll" redis2 "tinyrdm/backend/utils/redis" sliceutil "tinyrdm/backend/utils/slice" strutil "tinyrdm/backend/utils/string" ) type slowLogItem struct { Timestamp int64 `json:"timestamp"` Client string `json:"client"` Addr string `json:"addr"` Cmd string `json:"cmd"` Cost int64 `json:"cost"` } type entryCursor struct { DB int Type string Key string Pattern string Cursor uint64 XLast string // last stream pos } type connectionItem struct { client redis.UniversalClient ctx context.Context cancelFunc context.CancelFunc cursor map[int]uint64 // current cursor of databases entryCursor map[int]entryCursor // current entry cursor of databases stepSize int64 db int // current database index } type browserService struct { ctx context.Context connMap map[string]*connectionItem cmdHistory []cmdHistoryItem } var browser *browserService var onceBrowser sync.Once func Browser() *browserService { if browser == nil { onceBrowser.Do(func() { browser = &browserService{ connMap: map[string]*connectionItem{}, } }) } return browser } func (b *browserService) Start(ctx context.Context) { b.ctx = ctx } func (b *browserService) Stop() { for _, item := range b.connMap { if item.client != nil { item.cancelFunc() item.client.Close() } } b.connMap = map[string]*connectionItem{} } // OpenConnection open redis server connection func (b *browserService) OpenConnection(name string) (resp types.JSResp) { // get connection config selConn := Connection().getConnection(name) // correct last database index lastDB := selConn.LastDB if selConn.DBFilterType == "show" && !sliceutil.Contains(selConn.DBFilterList, lastDB) { lastDB = selConn.DBFilterList[0] } else if selConn.DBFilterType == "hide" && sliceutil.Contains(selConn.DBFilterList, lastDB) { lastDB = selConn.DBFilterList[0] } if lastDB != selConn.LastDB { Connection().SaveLastDB(name, lastDB) } item, err := b.getRedisClient(name, lastDB) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx var totaldb int if selConn.DBFilterType == "" || selConn.DBFilterType == "none" { // get total databases if config, err := client.ConfigGet(ctx, "databases").Result(); err == nil { if total, err := strconv.Atoi(config["databases"]); err == nil { totaldb = total } } } // parse all db, response content like below var dbs []types.ConnectionDB var clusterKeyCount int64 cluster, isCluster := client.(*redis.ClusterClient) if isCluster { var keyCount atomic.Int64 err = cluster.ForEachMaster(ctx, func(ctx context.Context, cli *redis.Client) error { if size, serr := cli.DBSize(ctx).Result(); serr != nil { return serr } else { keyCount.Add(size) } return nil }) if err != nil { resp.Msg = "get db size error:" + err.Error() return } clusterKeyCount = keyCount.Load() // only one database in cluster mode dbs = []types.ConnectionDB{ { Name: "db0", Index: 0, MaxKeys: int(clusterKeyCount), }, } } else { // get database info var res string res, err = client.Info(ctx, "keyspace").Result() if err != nil { resp.Msg = "get server info fail:" + err.Error() return } info := b.parseInfo(res) if totaldb <= 0 { // cannot retrieve the database count by "CONFIG GET databases", try to get max index from keyspace keyspace := info["Keyspace"] var db, maxDB int for dbName := range keyspace { if db, err = strconv.Atoi(strings.TrimLeft(dbName, "db")); err == nil { if maxDB < db { maxDB = db } } } totaldb = maxDB + 1 } queryDB := func(idx int) types.ConnectionDB { dbName := "db" + strconv.Itoa(idx) dbInfoStr := info["Keyspace"][dbName] if len(dbInfoStr) > 0 { dbInfo := b.parseDBItemInfo(dbInfoStr) return types.ConnectionDB{ Name: dbName, Index: idx, MaxKeys: dbInfo["keys"], Expires: dbInfo["expires"], AvgTTL: dbInfo["avg_ttl"], } } else { return types.ConnectionDB{ Name: dbName, Index: idx, } } } switch selConn.DBFilterType { case "show": filterList := sliceutil.Unique(selConn.DBFilterList) for _, idx := range filterList { dbs = append(dbs, queryDB(idx)) } case "hide": hiddenList := coll.NewSet(selConn.DBFilterList...) for idx := 0; idx < totaldb; idx++ { if !hiddenList.Contains(idx) { dbs = append(dbs, queryDB(idx)) } } default: for idx := 0; idx < totaldb; idx++ { dbs = append(dbs, queryDB(idx)) } } } resp.Success = true resp.Data = map[string]any{ "db": dbs, "view": selConn.KeyView, "lastDB": selConn.LastDB, } return } // CloseConnection close redis server connection func (b *browserService) CloseConnection(name string) (resp types.JSResp) { item, ok := b.connMap[name] if ok { delete(b.connMap, name) if item.client != nil { item.cancelFunc() item.client.Close() } } resp.Success = true return } func (b *browserService) createRedisClient(selConn types.ConnectionConfig) (client redis.UniversalClient, err error) { hook := redis2.NewHook(selConn.Name, func(cmd string, cost int64) { now := time.Now() //last := strings.LastIndex(cmd, ":") //if last != -1 { // cmd = cmd[:last] //} b.cmdHistory = append(b.cmdHistory, cmdHistoryItem{ Timestamp: now.UnixMilli(), Server: selConn.Name, Cmd: cmd, Cost: cost, }) }) client, err = Connection().createRedisClient(selConn) if err != nil { err = fmt.Errorf("create conenction error: %s", err.Error()) return } _ = client.Do(b.ctx, "CLIENT", "SETNAME", url.QueryEscape(selConn.Name)).Err() // add hook to each node in cluster mode if cluster, ok := client.(*redis.ClusterClient); ok { err = cluster.ForEachShard(b.ctx, func(ctx context.Context, cli *redis.Client) error { cli.AddHook(hook) return nil }) if err != nil { err = fmt.Errorf("get cluster nodes error: %s", err.Error()) return } } else { client.AddHook(hook) } if _, err = client.Ping(b.ctx).Result(); err != nil && !errors.Is(err, redis.Nil) { err = errors.New("can not connect to redis server:" + err.Error()) return } return } // get a redis client from local cache or create a new open // if db >= 0, will also switch to db index func (b *browserService) getRedisClient(server string, db int) (item *connectionItem, err error) { var ok bool var client redis.UniversalClient if item, ok = b.connMap[server]; ok { client = item.client } else { selConn := Connection().getConnection(server) if selConn == nil { err = fmt.Errorf("no match connection \"%s\"", server) return } client, err = b.createRedisClient(selConn.ConnectionConfig) ctx, cancelFunc := context.WithCancel(b.ctx) item = &connectionItem{ client: client, ctx: ctx, cancelFunc: cancelFunc, cursor: map[int]uint64{}, entryCursor: map[int]entryCursor{}, stepSize: int64(selConn.LoadSize), } if item.stepSize <= 0 { item.stepSize = consts.DEFAULT_LOAD_SIZE } b.connMap[server] = item } // BUG: go-redis might not be executing commands on the corresponding database // requiring a database switch with each command if db >= 0 /*&& item.db != db*/ { var rdb *redis.Client if rdb, ok = client.(*redis.Client); ok && rdb != nil { _, err = rdb.Pipelined(item.ctx, func(pipe redis.Pipeliner) error { return pipe.Select(item.ctx, db).Err() }) if err != nil { return } item.db = db b.connMap[server].db = db } } return } // load current database size func (b *browserService) loadDBSize(ctx context.Context, client redis.UniversalClient) int64 { keyCount, _ := client.DBSize(ctx).Result() return keyCount } // save current scan cursor func (b *browserService) setClientCursor(server string, db int, cursor uint64) { if _, ok := b.connMap[server]; ok { if cursor == 0 { delete(b.connMap[server].cursor, db) } else { b.connMap[server].cursor[db] = cursor } } } // parse command response content which use "redis info" // # 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 func (b *browserService) parseInfo(info string) map[string]map[string]string { parsedInfo := map[string]map[string]string{} lines := strings.Split(info, "\r\n") if len(lines) > 0 { var subInfo map[string]string for _, line := range lines { if strings.HasPrefix(line, "#") { subInfo = map[string]string{} parsedInfo[strings.TrimSpace(strings.TrimLeft(line, "#"))] = subInfo } else { items := strings.SplitN(line, ":", 2) if len(items) < 2 { continue } subInfo[items[0]] = items[1] } } } return parsedInfo } // parse db item value, content format like below // keys=2,expires=1,avg_ttl=1877111749 func (b *browserService) parseDBItemInfo(info string) map[string]int { ret := map[string]int{} items := strings.Split(info, ",") for _, item := range items { kv := strings.SplitN(item, "=", 2) if len(kv) > 1 { ret[kv[0]], _ = strconv.Atoi(kv[1]) } } return ret } // ServerInfo get server info func (b *browserService) ServerInfo(name string) (resp types.JSResp) { item, err := b.getRedisClient(name, -1) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx // get database info res, err := client.Info(ctx).Result() if err != nil { resp.Msg = "get server info fail:" + err.Error() return } resp.Success = true resp.Data = b.parseInfo(res) return } // OpenDatabase open select database, and list all keys // @param path contain connection name and db name func (b *browserService) OpenDatabase(server string, db int) (resp types.JSResp) { b.setClientCursor(server, db, 0) item, err := b.getRedisClient(server, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx maxKeys := b.loadDBSize(ctx, client) resp.Success = true resp.Data = map[string]any{ "maxKeys": maxKeys, } return } // scan keys // @return loaded keys // @return next cursor // @return scan error func (b *browserService) scanKeys(ctx context.Context, client redis.UniversalClient, match, keyType string, cursor uint64, count int64) ([]any, uint64, error) { var err error filterType := len(keyType) > 0 scanSize := int64(Preferences().GetScanSize()) // define sub scan function scan := func(ctx context.Context, cli redis.UniversalClient, appendFunc func(k []any)) error { var loadedKey []string var scanCount int64 for { if filterType { loadedKey, cursor, err = cli.ScanType(ctx, cursor, match, scanSize, keyType).Result() } else { loadedKey, cursor, err = cli.Scan(ctx, cursor, match, scanSize).Result() } if err != nil { return err } else { ks := sliceutil.Map(loadedKey, func(i int) any { return strutil.EncodeRedisKey(loadedKey[i]) }) scanCount += int64(len(ks)) appendFunc(ks) } if (count > 0 && scanCount > count) || cursor == 0 { break } } return nil } keys := make([]any, 0) if cluster, ok := client.(*redis.ClusterClient); ok { // cluster mode var mutex sync.Mutex err = cluster.ForEachMaster(ctx, func(ctx context.Context, cli *redis.Client) error { // FIXME: BUG? can not fully load in cluster mode? maybe remove the shared "cursor" return scan(ctx, cli, func(k []any) { mutex.Lock() keys = append(keys, k...) mutex.Unlock() }) }) } else { err = scan(ctx, client, func(k []any) { keys = append(keys, k...) }) } if err != nil { return keys, cursor, err } return keys, cursor, nil } // LoadNextKeys load next key from saved cursor func (b *browserService) LoadNextKeys(connName string, db int, match, keyType string) (resp types.JSResp) { item, err := b.getRedisClient(connName, db) if err != nil { resp.Msg = err.Error() return } client, ctx, count := item.client, item.ctx, item.stepSize cursor := item.cursor[db] keys, cursor, err := b.scanKeys(ctx, client, match, keyType, cursor, count) if err != nil { resp.Msg = err.Error() return } b.setClientCursor(connName, db, cursor) maxKeys := b.loadDBSize(ctx, client) resp.Success = true resp.Data = map[string]any{ "keys": keys, "end": cursor == 0, "maxKeys": maxKeys, } return } // LoadNextAllKeys load next all keys func (b *browserService) LoadNextAllKeys(connName string, db int, match, keyType string) (resp types.JSResp) { item, err := b.getRedisClient(connName, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx cursor := item.cursor[db] keys, _, err := b.scanKeys(ctx, client, match, keyType, cursor, 0) if err != nil { resp.Msg = err.Error() return } b.setClientCursor(connName, db, 0) maxKeys := b.loadDBSize(ctx, client) resp.Success = true resp.Data = map[string]any{ "keys": keys, "maxKeys": maxKeys, } return } // LoadAllKeys load all keys func (b *browserService) LoadAllKeys(connName string, db int, match, keyType string) (resp types.JSResp) { item, err := b.getRedisClient(connName, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx keys, _, err := b.scanKeys(ctx, client, match, keyType, 0, 0) if err != nil { resp.Msg = err.Error() return } resp.Success = true resp.Data = map[string]any{ "keys": keys, } return } func (b *browserService) GetKeyType(param types.KeySummaryParam) (resp types.JSResp) { item, err := b.getRedisClient(param.Server, param.DB) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(param.Key) var keyType string keyType, err = client.Type(ctx, key).Result() if err != nil { resp.Msg = err.Error() return } if keyType == "none" { resp.Msg = "key not exists" return } var data types.KeySummary data.Type = strings.ToLower(keyType) resp.Success = true resp.Data = data return } // GetKeySummary get key summary info func (b *browserService) GetKeySummary(param types.KeySummaryParam) (resp types.JSResp) { item, err := b.getRedisClient(param.Server, param.DB) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(param.Key) pipe := client.Pipeline() typeVal := pipe.Type(ctx, key) ttlVal := pipe.TTL(ctx, key) sizeVal := pipe.MemoryUsage(ctx, key, 0) _, err = pipe.Exec(ctx) if err != nil { resp.Msg = err.Error() return } if typeVal.Err() != nil { resp.Msg = typeVal.Err().Error() return } data := types.KeySummary{ Type: strings.ToLower(typeVal.Val()), Size: sizeVal.Val(), } if data.Type == "none" { resp.Msg = "key not exists" return } if ttlVal.Err() != nil { data.TTL = -1 } else { if ttlVal.Val() < 0 { data.TTL = -1 } else { data.TTL = int64(ttlVal.Val().Seconds()) } } switch data.Type { case "string": data.Length, err = client.StrLen(ctx, key).Result() case "list": data.Length, err = client.LLen(ctx, key).Result() case "hash": data.Length, err = client.HLen(ctx, key).Result() case "set": data.Length, err = client.SCard(ctx, key).Result() case "zset": data.Length, err = client.ZCard(ctx, key).Result() case "stream": data.Length, err = client.XLen(ctx, key).Result() default: err = errors.New("unknown key type") } if err != nil { resp.Msg = err.Error() return } resp.Success = true resp.Data = data return } // GetKeyDetail get key detail func (b *browserService) GetKeyDetail(param types.KeyDetailParam) (resp types.JSResp) { item, err := b.getRedisClient(param.Server, param.DB) if err != nil { resp.Msg = err.Error() return } client, ctx, entryCors := item.client, item.ctx, item.entryCursor key := strutil.DecodeRedisKey(param.Key) var keyType string keyType, err = client.Type(ctx, key).Result() if err != nil { resp.Msg = err.Error() return } if keyType == "none" { resp.Msg = "key not exists" return } var doConvert bool if (len(param.Decode) > 0 && param.Decode != types.DECODE_NONE) || (len(param.Format) > 0 && param.Format != types.FORMAT_RAW) { doConvert = true } var data types.KeyDetail //var cursor uint64 matchPattern := param.MatchPattern if len(matchPattern) <= 0 { matchPattern = "*" } // define get entry cursor function getEntryCursor := func() (uint64, string, bool) { if entry, ok := entryCors[param.DB]; !ok || entry.Key != key || entry.Pattern != matchPattern { // not the same key or match pattern, reset cursor entry = entryCursor{ DB: param.DB, Key: key, Pattern: matchPattern, Cursor: 0, } entryCors[param.DB] = entry return 0, "", true } else { return entry.Cursor, entry.XLast, false } } // define set entry cursor function setEntryCursor := func(cursor uint64) { entryCors[param.DB] = entryCursor{ DB: param.DB, Type: "", Key: key, Pattern: matchPattern, Cursor: cursor, } } // define set last stream pos function setEntryXLast := func(last string) { entryCors[param.DB] = entryCursor{ DB: param.DB, Type: "", Key: key, Pattern: matchPattern, XLast: last, } } switch strings.ToLower(keyType) { case "string": var str string str, err = client.Get(ctx, key).Result() data.Value = strutil.EncodeRedisKey(str) //data.Value, data.Decode, data.Format = strutil.ConvertTo(str, param.Decode, param.Format) case "list": loadListHandle := func() ([]types.ListEntryItem, bool, bool, error) { var loadVal []string var cursor uint64 var reset bool var subErr error doFilter := matchPattern != "*" if param.Full || doFilter { // load all cursor, reset = 0, true loadVal, subErr = client.LRange(ctx, key, 0, -1).Result() } else { if param.Reset { cursor, reset = 0, true } else { cursor, _, reset = getEntryCursor() } scanSize := int64(Preferences().GetScanSize()) loadVal, subErr = client.LRange(ctx, key, int64(cursor), int64(cursor)+scanSize-1).Result() cursor = cursor + uint64(scanSize) if len(loadVal) < int(scanSize) { cursor = 0 } } setEntryCursor(cursor) items := make([]types.ListEntryItem, 0, len(loadVal)) for _, val := range loadVal { if doFilter && !strings.Contains(val, param.MatchPattern) { continue } items = append(items, types.ListEntryItem{ Value: val, }) if doConvert { if dv, _, _ := strutil.ConvertTo(val, param.Decode, param.Format); dv != val { items[len(items)-1].DisplayValue = dv } } } if subErr != nil { return items, reset, false, subErr } return items, reset, cursor == 0, nil } data.Value, data.Reset, data.End, err = loadListHandle() data.Match, data.Decode, data.Format = param.MatchPattern, param.Decode, param.Format if err != nil { resp.Msg = err.Error() return } case "hash": if !strings.HasPrefix(matchPattern, "*") { matchPattern = "*" + matchPattern } if !strings.HasSuffix(matchPattern, "*") { matchPattern = matchPattern + "*" } loadHashHandle := func() ([]types.HashEntryItem, bool, bool, error) { var items []types.HashEntryItem var loadedVal []string var cursor uint64 var reset bool var subErr error scanSize := int64(Preferences().GetScanSize()) if param.Full || matchPattern != "*" { // load all cursor, reset = 0, true items = []types.HashEntryItem{} for { loadedVal, cursor, subErr = client.HScan(ctx, key, cursor, matchPattern, scanSize).Result() if subErr != nil { return nil, reset, false, subErr } for i := 0; i < len(loadedVal); i += 2 { items = append(items, types.HashEntryItem{ Key: loadedVal[i], Value: strutil.EncodeRedisKey(loadedVal[i+1]), }) if doConvert { if dv, _, _ := strutil.ConvertTo(loadedVal[i+1], param.Decode, param.Format); dv != loadedVal[i+1] { items[len(items)-1].DisplayValue = dv } } } if cursor == 0 { break } } } else { if param.Reset { cursor, reset = 0, true } else { cursor, _, reset = getEntryCursor() } loadedVal, cursor, subErr = client.HScan(ctx, key, cursor, matchPattern, scanSize).Result() if subErr != nil { return nil, reset, false, subErr } loadedLen := len(loadedVal) items = make([]types.HashEntryItem, loadedLen/2) for i := 0; i < loadedLen; i += 2 { items[i/2].Key = loadedVal[i] items[i/2].Value = strutil.EncodeRedisKey(loadedVal[i+1]) if doConvert { if dv, _, _ := strutil.ConvertTo(loadedVal[i+1], param.Decode, param.Format); dv != loadedVal[i+1] { items[i/2].DisplayValue = dv } } } } setEntryCursor(cursor) return items, reset, cursor == 0, nil } data.Value, data.Reset, data.End, err = loadHashHandle() data.Match, data.Decode, data.Format = param.MatchPattern, param.Decode, param.Format if err != nil { resp.Msg = err.Error() return } case "set": if !strings.HasPrefix(matchPattern, "*") { matchPattern = "*" + matchPattern } if !strings.HasSuffix(matchPattern, "*") { matchPattern = matchPattern + "*" } loadSetHandle := func() ([]types.SetEntryItem, bool, bool, error) { var items []types.SetEntryItem var cursor uint64 var reset bool var subErr error var loadedKey []string scanSize := int64(Preferences().GetScanSize()) if param.Full || matchPattern != "*" { // load all cursor, reset = 0, true items = []types.SetEntryItem{} for { loadedKey, cursor, subErr = client.SScan(ctx, key, cursor, matchPattern, scanSize).Result() if subErr != nil { return items, reset, false, subErr } for _, val := range loadedKey { items = append(items, types.SetEntryItem{ Value: val, }) if doConvert { if dv, _, _ := strutil.ConvertTo(val, param.Decode, param.Format); dv != val { items[len(items)-1].DisplayValue = dv } } } if cursor == 0 { break } } } else { if param.Reset { cursor, reset = 0, true } else { cursor, _, reset = getEntryCursor() } loadedKey, cursor, subErr = client.SScan(ctx, key, cursor, matchPattern, scanSize).Result() items = make([]types.SetEntryItem, len(loadedKey)) for i, val := range loadedKey { items[i].Value = val if doConvert { if dv, _, _ := strutil.ConvertTo(val, param.Decode, param.Format); dv != val { items[i].DisplayValue = dv } } } } setEntryCursor(cursor) return items, reset, cursor == 0, nil } data.Value, data.Reset, data.End, err = loadSetHandle() data.Match, data.Decode, data.Format = param.MatchPattern, param.Decode, param.Format if err != nil { resp.Msg = err.Error() return } case "zset": if !strings.HasPrefix(matchPattern, "*") { matchPattern = "*" + matchPattern } if !strings.HasSuffix(matchPattern, "*") { matchPattern = matchPattern + "*" } loadZSetHandle := func() ([]types.ZSetEntryItem, bool, bool, error) { var items []types.ZSetEntryItem var reset bool var cursor uint64 scanSize := int64(Preferences().GetScanSize()) doFilter := matchPattern != "*" if param.Full || doFilter { // load all var loadedVal []string cursor, reset = 0, true items = []types.ZSetEntryItem{} for { loadedVal, cursor, err = client.ZScan(ctx, key, cursor, matchPattern, scanSize).Result() if err != nil { return items, reset, false, err } var score float64 for i := 0; i < len(loadedVal); i += 2 { if score, err = strconv.ParseFloat(loadedVal[i+1], 64); err == nil { items = append(items, types.ZSetEntryItem{ Value: loadedVal[i], Score: score, }) if doConvert { if dv, _, _ := strutil.ConvertTo(loadedVal[i], param.Decode, param.Format); dv != loadedVal[i] { items[len(items)-1].DisplayValue = dv } } } } if cursor == 0 { break } } } else { if param.Reset { cursor, reset = 0, true } else { cursor, _, reset = getEntryCursor() } var loadedVal []redis.Z loadedVal, err = client.ZRangeWithScores(ctx, key, int64(cursor), int64(cursor)+scanSize-1).Result() cursor = cursor + uint64(scanSize) if len(loadedVal) < int(scanSize) { cursor = 0 } items = make([]types.ZSetEntryItem, 0, len(loadedVal)) for _, z := range loadedVal { val := strutil.AnyToString(z.Member, "", 0) if doFilter && !strings.Contains(val, param.MatchPattern) { continue } items = append(items, types.ZSetEntryItem{ Score: z.Score, Value: val, }) if doConvert { if dv, _, _ := strutil.ConvertTo(val, param.Decode, param.Format); dv != val { items[len(items)-1].DisplayValue = dv } } } } setEntryCursor(cursor) return items, reset, cursor == 0, nil } data.Value, data.Reset, data.End, err = loadZSetHandle() data.Match, data.Decode, data.Format = param.MatchPattern, param.Decode, param.Format if err != nil { resp.Msg = err.Error() return } case "stream": loadStreamHandle := func() ([]types.StreamEntryItem, bool, bool, error) { var msgs []redis.XMessage var last string var reset bool doFilter := matchPattern != "*" if param.Full || doFilter { // load all last, reset = "", true msgs, err = client.XRevRange(ctx, key, "+", "-").Result() } else { scanSize := int64(Preferences().GetScanSize()) if param.Reset { last = "" } else { _, last, reset = getEntryCursor() } if len(last) <= 0 { last = "+" } if last != "+" { // add 1 more item when continue scan msgs, err = client.XRevRangeN(ctx, key, last, "-", scanSize+1).Result() msgs = msgs[1:] } else { msgs, err = client.XRevRangeN(ctx, key, last, "-", scanSize).Result() } scanCount := len(msgs) if scanCount <= 0 || scanCount < int(scanSize) { last = "" } else if scanCount > 0 { last = msgs[scanCount-1].ID } } setEntryXLast(last) items := make([]types.StreamEntryItem, 0, len(msgs)) for _, msg := range msgs { it := types.StreamEntryItem{ ID: msg.ID, Value: msg.Values, } if vb, merr := json.Marshal(msg.Values); merr != nil { it.DisplayValue = "{}" } else { it.DisplayValue, _, _ = strutil.ConvertTo(string(vb), types.DECODE_NONE, types.FORMAT_JSON) } if doFilter && !strings.Contains(it.DisplayValue, param.MatchPattern) { continue } items = append(items, it) } if err != nil { return items, reset, false, err } return items, reset, last == "", nil } data.Value, data.Reset, data.End, err = loadStreamHandle() data.Match, data.Decode, data.Format = param.MatchPattern, param.Decode, param.Format if err != nil { resp.Msg = err.Error() return } } if err != nil { resp.Msg = err.Error() return } resp.Success = true resp.Data = data return } // ConvertValue convert value with decode method and format // blank decode indicate auto decode // blank format indicate auto format func (b *browserService) ConvertValue(value any, decode, format string) (resp types.JSResp) { str := strutil.DecodeRedisKey(value) value, decode, format = strutil.ConvertTo(str, decode, format) resp.Success = true resp.Data = map[string]any{ "value": value, "decode": decode, "format": format, } return } // SetKeyValue set value by key // @param ttl <= 0 means keep current ttl func (b *browserService) SetKeyValue(param types.SetKeyParam) (resp types.JSResp) { item, err := b.getRedisClient(param.Server, param.DB) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(param.Key) var expiration time.Duration if param.TTL < 0 { if expiration, err = client.PTTL(ctx, key).Result(); err != nil { expiration = redis.KeepTTL } } else { expiration = time.Duration(param.TTL) * time.Second } // use default decode type and format if len(param.Decode) <= 0 { param.Decode = types.DECODE_NONE } if len(param.Format) <= 0 { param.Format = types.FORMAT_RAW } switch strings.ToLower(param.KeyType) { case "string": if str, ok := param.Value.(string); !ok { resp.Msg = "invalid string value" return } else { var saveStr string if saveStr, err = strutil.SaveAs(str, param.Format, param.Decode); err != nil { resp.Msg = fmt.Sprintf(`save to type "%s" fail: %s`, param.Format, err.Error()) return } _, err = client.Set(ctx, key, saveStr, 0).Result() // set expiration lonely, not "keepttl" if err == nil && expiration > 0 { client.Expire(ctx, key, expiration) } } case "list": if strs, ok := param.Value.([]any); !ok { resp.Msg = "invalid list value" return } else { err = client.LPush(ctx, key, strs...).Err() if err == nil && expiration > 0 { client.Expire(ctx, key, expiration) } } case "hash": if strs, ok := param.Value.([]any); !ok { resp.Msg = "invalid hash value" return } else { total := len(strs) if total > 1 { _, err = client.Pipelined(ctx, func(pipe redis.Pipeliner) error { for i := 0; i < total; i += 2 { pipe.HSet(ctx, key, strs[i], strs[i+1]) } if expiration > 0 { pipe.Expire(ctx, key, expiration) } return nil }) } } case "set": if strs, ok := param.Value.([]any); !ok || len(strs) <= 0 { resp.Msg = "invalid set value" return } else { if len(strs) > 0 { err = client.SAdd(ctx, key, strs...).Err() if err == nil && expiration > 0 { client.Expire(ctx, key, expiration) } } } case "zset": if strs, ok := param.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].(string), }) } err = client.ZAdd(ctx, key, members...).Err() if err == nil && expiration > 0 { client.Expire(ctx, key, expiration) } } } case "stream": if strs, ok := param.Value.([]any); !ok { resp.Msg = "invalid stream value" return } else { if len(strs) > 2 { err = client.XAdd(ctx, &redis.XAddArgs{ Stream: key, ID: strs[0].(string), Values: strs[1:], }).Err() if err == nil && expiration > 0 { client.Expire(ctx, key, expiration) } } } } if err != nil { resp.Msg = err.Error() return } resp.Success = true //resp.Data = map[string]any{ // "value": param.Value, //} return } // SetHashValue update hash field func (b *browserService) SetHashValue(param types.SetHashParam) (resp types.JSResp) { item, err := b.getRedisClient(param.Server, param.DB) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(param.Key) str := strutil.DecodeRedisKey(param.Value) var saveStr, displayStr string if saveStr, err = strutil.SaveAs(str, param.Format, param.Decode); err != nil { resp.Msg = fmt.Sprintf(`save to type "%s" fail: %s`, param.Format, err.Error()) return } if len(param.RetDecode) > 0 && len(param.RetFormat) > 0 { displayStr, _, _ = strutil.ConvertTo(saveStr, param.RetDecode, param.RetFormat) } var updated, added, removed []types.HashEntryItem var replaced []types.HashReplaceItem var affect int64 if len(param.NewField) <= 0 { // new field is empty, delete old field _, err = client.HDel(ctx, key, param.Field).Result() removed = append(removed, types.HashEntryItem{ Key: param.Field, }) } else if len(param.Field) <= 0 || param.Field == param.NewField { affect, err = client.HSet(ctx, key, param.NewField, saveStr).Result() if affect <= 0 { // update field value updated = append(updated, types.HashEntryItem{ Key: param.NewField, Value: saveStr, DisplayValue: displayStr, }) } else { // add new field added = append(added, types.HashEntryItem{ Key: param.NewField, Value: saveStr, DisplayValue: displayStr, }) } } else { // remove old field and add new field if _, err = client.HDel(ctx, key, param.Field).Result(); err != nil { resp.Msg = err.Error() return } affect, err = client.HSet(ctx, key, param.NewField, saveStr).Result() if affect <= 0 { // no new filed added, just update exists item removed = append(removed, types.HashEntryItem{ Key: param.Field, }) updated = append(updated, types.HashEntryItem{ Key: param.NewField, Value: saveStr, DisplayValue: displayStr, }) } else { // add new field replaced = append(replaced, types.HashReplaceItem{ Key: param.Field, NewKey: param.NewField, Value: saveStr, DisplayValue: displayStr, }) } } if err != nil { resp.Msg = err.Error() return } resp.Success = true resp.Data = struct { Added []types.HashEntryItem `json:"added,omitempty"` Removed []types.HashEntryItem `json:"removed,omitempty"` Updated []types.HashEntryItem `json:"updated,omitempty"` Replaced []types.HashReplaceItem `json:"replaced,omitempty"` }{ Added: added, Removed: removed, Updated: updated, Replaced: replaced, } return } // AddHashField add or update hash field func (b *browserService) AddHashField(connName string, db int, k any, action int, fieldItems []any) (resp types.JSResp) { item, err := b.getRedisClient(connName, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(k) var updated []types.HashEntryItem var added []types.HashEntryItem switch action { case 1: // ignore duplicated fields for i := 0; i < len(fieldItems); i += 2 { field, value := strutil.DecodeRedisKey(fieldItems[i]), strutil.DecodeRedisKey(fieldItems[i+1]) if succ, _ := client.HSetNX(ctx, key, field, value).Result(); succ { added = append(added, types.HashEntryItem{ Key: field, Value: value, DisplayValue: "", // TODO: convert to display value }) } } default: // overwrite duplicated fields total := len(fieldItems) if total > 1 { for i := 0; i < total; i += 2 { field, value := strutil.DecodeRedisKey(fieldItems[i]), strutil.DecodeRedisKey(fieldItems[i+1]) if affect, _ := client.HSet(ctx, key, field, value).Result(); affect > 0 { added = append(added, types.HashEntryItem{ Key: field, Value: value, DisplayValue: "", // TODO: convert to display value }) } else { updated = append(updated, types.HashEntryItem{ Key: field, Value: value, DisplayValue: "", // TODO: convert to display value }) } } } } if err != nil { resp.Msg = err.Error() return } resp.Success = true resp.Data = struct { Added []types.HashEntryItem `json:"added,omitempty"` Updated []types.HashEntryItem `json:"updated,omitempty"` }{ Added: added, Updated: updated, } return } // AddListItem add item to list or remove from it func (b *browserService) AddListItem(connName string, db int, k any, action int, items []any) (resp types.JSResp) { item, err := b.getRedisClient(connName, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(k) var leftPush, rightPush []types.ListEntryItem switch action { case 0: // push to head slices.Reverse(items) _, err = client.LPush(ctx, key, items...).Result() for i := len(items) - 1; i >= 0; i-- { leftPush = append(leftPush, types.ListEntryItem{ Value: items[i], DisplayValue: "", // TODO: convert to display value }) } default: // append to tail _, err = client.RPush(ctx, key, items...).Result() for _, it := range items { rightPush = append(rightPush, types.ListEntryItem{ Value: it, DisplayValue: "", // TODO: convert to display value }) } } if err != nil { resp.Msg = err.Error() return } resp.Success = true resp.Data = struct { Left []types.ListEntryItem `json:"left,omitempty"` Right []types.ListEntryItem `json:"right,omitempty"` }{ Left: leftPush, Right: rightPush, } return } // SetListItem update or remove list item by index func (b *browserService) SetListItem(param types.SetListParam) (resp types.JSResp) { item, err := b.getRedisClient(param.Server, param.DB) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(param.Key) str := strutil.DecodeRedisKey(param.Value) var replaced, removed []types.ListReplaceItem if len(str) <= 0 { // remove from list err = client.LSet(ctx, key, param.Index, "---VALUE_REMOVED_BY_TINY_RDM---").Err() if err != nil { resp.Msg = err.Error() return } err = client.LRem(ctx, key, 1, "---VALUE_REMOVED_BY_TINY_RDM---").Err() if err != nil { resp.Msg = err.Error() return } removed = append(removed, types.ListReplaceItem{ Index: param.Index, }) } else { // replace index value var saveStr string if saveStr, err = strutil.SaveAs(str, param.Format, param.Decode); err != nil { resp.Msg = fmt.Sprintf(`save to type "%s" fail: %s`, param.Format, err.Error()) return } err = client.LSet(ctx, key, param.Index, saveStr).Err() if err != nil { resp.Msg = err.Error() return } var displayStr string if len(param.RetDecode) > 0 && len(param.RetFormat) > 0 { displayStr, _, _ = strutil.ConvertTo(saveStr, param.RetDecode, param.RetFormat) } replaced = append(replaced, types.ListReplaceItem{ Index: param.Index, Value: saveStr, DisplayValue: displayStr, }) } resp.Success = true resp.Data = struct { Removed []types.ListReplaceItem `json:"removed,omitempty"` Replaced []types.ListReplaceItem `json:"replaced,omitempty"` }{ Removed: removed, Replaced: replaced, } return } // SetSetItem add members to set or remove from set func (b *browserService) SetSetItem(server string, db int, k any, remove bool, members []any) (resp types.JSResp) { item, err := b.getRedisClient(server, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(k) var added, removed []types.SetEntryItem var affected int64 if remove { for _, member := range members { if affected, _ = client.SRem(ctx, key, member).Result(); affected > 0 { removed = append(removed, types.SetEntryItem{ Value: member, }) } } } else { for _, member := range members { if affected, _ = client.SAdd(ctx, key, member).Result(); affected > 0 { added = append(added, types.SetEntryItem{ Value: member, DisplayValue: "", // TODO: convert to display value }) } } } if err != nil { resp.Msg = err.Error() return } resp.Success = true resp.Data = struct { Added []types.SetEntryItem `json:"added,omitempty"` Removed []types.SetEntryItem `json:"removed,omitempty"` Affected int64 `json:"affected"` }{ Added: added, Removed: removed, Affected: affected, } return } // UpdateSetItem replace member of set func (b *browserService) UpdateSetItem(param types.SetSetParam) (resp types.JSResp) { item, err := b.getRedisClient(param.Server, param.DB) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(param.Key) var added, removed []types.SetEntryItem var affect int64 // remove old value str := strutil.DecodeRedisKey(param.Value) if affect, _ = client.SRem(ctx, key, str).Result(); affect > 0 { removed = append(removed, types.SetEntryItem{ Value: str, }) } // insert new value str = strutil.DecodeRedisKey(param.NewValue) var saveStr string if saveStr, err = strutil.SaveAs(str, param.Format, param.Decode); err != nil { resp.Msg = fmt.Sprintf(`save to type "%s" fail: %s`, param.Format, err.Error()) return } if affect, _ = client.SAdd(ctx, key, saveStr).Result(); affect > 0 { // add new item var displayStr string if len(param.RetDecode) > 0 && len(param.RetFormat) > 0 { displayStr, _, _ = strutil.ConvertTo(saveStr, param.RetDecode, param.RetFormat) } added = append(added, types.SetEntryItem{ Value: saveStr, DisplayValue: displayStr, }) } if err != nil { resp.Msg = err.Error() return } resp.Success = true resp.Data = struct { Added []types.SetEntryItem `json:"added,omitempty"` Removed []types.SetEntryItem `json:"removed,omitempty"` }{ Added: added, Removed: removed, } return } // UpdateZSetValue update value of sorted set member func (b *browserService) UpdateZSetValue(param types.SetZSetParam) (resp types.JSResp) { item, err := b.getRedisClient(param.Server, param.DB) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(param.Key) val, newVal := strutil.DecodeRedisKey(param.Value), strutil.DecodeRedisKey(param.NewValue) var added, updated, removed []types.ZSetEntryItem var replaced []types.ZSetReplaceItem var affect int64 if len(newVal) <= 0 { // no new value, delete value if affect, err = client.ZRem(ctx, key, val).Result(); affect > 0 { //removed = append(removed, val) removed = append(removed, types.ZSetEntryItem{ Value: val, }) } } else { var saveVal string if saveVal, err = strutil.SaveAs(newVal, param.Format, param.Decode); err != nil { resp.Msg = fmt.Sprintf(`save to type "%s" fail: %s`, param.Format, err.Error()) return } if saveVal == val { affect, err = client.ZAdd(ctx, key, redis.Z{ Score: param.Score, Member: saveVal, }).Result() displayValue, _, _ := strutil.ConvertTo(val, param.RetDecode, param.RetFormat) if affect > 0 { // add new item added = append(added, types.ZSetEntryItem{ Score: param.Score, Value: val, DisplayValue: displayValue, }) } else { // update score only updated = append(updated, types.ZSetEntryItem{ Score: param.Score, Value: val, DisplayValue: displayValue, }) } } else { // remove old value and add new one _, err = client.ZRem(ctx, key, val).Result() if err != nil { resp.Msg = err.Error() return } affect, err = client.ZAdd(ctx, key, redis.Z{ Score: param.Score, Member: saveVal, }).Result() displayValue, _, _ := strutil.ConvertTo(saveVal, param.RetDecode, param.RetFormat) if affect <= 0 { // no new value added, just update exists item removed = append(removed, types.ZSetEntryItem{ Value: val, }) updated = append(updated, types.ZSetEntryItem{ Score: param.Score, Value: saveVal, DisplayValue: displayValue, }) } else { // add new field replaced = append(replaced, types.ZSetReplaceItem{ Score: param.Score, Value: val, NewValue: saveVal, DisplayValue: displayValue, }) } } } if err != nil { resp.Msg = err.Error() return } resp.Success = true resp.Data = struct { Added []types.ZSetEntryItem `json:"added,omitempty"` Updated []types.ZSetEntryItem `json:"updated,omitempty"` Replaced []types.ZSetReplaceItem `json:"replaced,omitempty"` Removed []types.ZSetEntryItem `json:"removed,omitempty"` }{ Added: added, Updated: updated, Replaced: replaced, Removed: removed, } return } // AddZSetValue add item to sorted set func (b *browserService) AddZSetValue(connName string, db int, k any, action int, valueScore map[string]float64) (resp types.JSResp) { item, err := b.getRedisClient(connName, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(k) var added, updated []types.ZSetEntryItem switch action { case 1: // ignore duplicated fields for m, s := range valueScore { if affect, _ := client.ZAddNX(ctx, key, redis.Z{Score: s, Member: m}).Result(); affect > 0 { added = append(added, types.ZSetEntryItem{ Score: s, Value: m, DisplayValue: "", // TODO: convert to display value }) } } default: // overwrite duplicated fields for m, s := range valueScore { if affect, _ := client.ZAdd(ctx, key, redis.Z{Score: s, Member: m}).Result(); affect > 0 { added = append(added, types.ZSetEntryItem{ Score: s, Value: m, DisplayValue: "", // TODO: convert to display value }) } else { updated = append(updated, types.ZSetEntryItem{ Score: s, Value: m, DisplayValue: "", // TODO: convert to display value }) } } } if err != nil { resp.Msg = err.Error() return } resp.Success = true resp.Data = struct { Added []types.ZSetEntryItem `json:"added,omitempty"` Updated []types.ZSetEntryItem `json:"updated,omitempty"` }{ Added: added, Updated: updated, } return } // AddStreamValue add stream field func (b *browserService) AddStreamValue(connName string, db int, k any, ID string, fieldItems []any) (resp types.JSResp) { item, err := b.getRedisClient(connName, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(k) var updateID string updateID, err = client.XAdd(ctx, &redis.XAddArgs{ Stream: key, ID: ID, Values: fieldItems, }).Result() if err != nil { resp.Msg = err.Error() return } updateValues := make(map[string]any, len(fieldItems)/2) for i := 0; i < len(fieldItems)/2; i += 2 { updateValues[fieldItems[i].(string)] = fieldItems[i+1] } vb, _ := json.Marshal(updateValues) displayValue, _, _ := strutil.ConvertTo(string(vb), types.DECODE_NONE, types.FORMAT_JSON) resp.Success = true resp.Data = struct { Added []types.StreamEntryItem `json:"added,omitempty"` }{ Added: []types.StreamEntryItem{ { ID: updateID, Value: updateValues, DisplayValue: displayValue, // TODO: convert to display value }, }, } return } // RemoveStreamValues remove stream values by id func (b *browserService) RemoveStreamValues(connName string, db int, k any, IDs []string) (resp types.JSResp) { item, err := b.getRedisClient(connName, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(k) var affected int64 affected, err = client.XDel(ctx, key, IDs...).Result() if err != nil { resp.Msg = err.Error() return } resp.Success = true resp.Data = struct { Affected int64 `json:"affected"` }{ Affected: affected, } return } // SetKeyTTL set ttl of key func (b *browserService) SetKeyTTL(connName string, db int, k any, ttl int64) (resp types.JSResp) { item, err := b.getRedisClient(connName, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(k) var expiration time.Duration if ttl < 0 { if err = client.Persist(ctx, key).Err(); err != nil { resp.Msg = err.Error() return } } else { expiration = time.Duration(ttl) * time.Second if err = client.Expire(ctx, key, expiration).Err(); err != nil { resp.Msg = err.Error() return } } resp.Success = true return } // DeleteKey remove redis key func (b *browserService) DeleteKey(server string, db int, k any, async bool) (resp types.JSResp) { item, err := b.getRedisClient(server, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(k) var deletedKeys []string if strings.HasSuffix(key, "*") { // delete by prefix var mutex sync.Mutex supportUnlink := true del := func(ctx context.Context, cli redis.UniversalClient) error { handleDel := func(ks []string) error { var delErr error if async && supportUnlink { supportUnlink = false if delErr = cli.Unlink(ctx, ks...).Err(); delErr != nil { // not support unlink? try del command delErr = cli.Del(ctx, ks...).Err() } } else { delErr = cli.Del(ctx, ks...).Err() } mutex.Lock() deletedKeys = append(deletedKeys, ks...) mutex.Unlock() return delErr } scanSize := int64(Preferences().GetScanSize()) iter := cli.Scan(ctx, 0, key, scanSize).Iterator() resultKeys := make([]string, 0, 100) for iter.Next(ctx) { resultKeys = append(resultKeys, iter.Val()) if len(resultKeys) >= 20 { handleDel(resultKeys) resultKeys = resultKeys[:0:cap(resultKeys)] } } if len(resultKeys) > 0 { handleDel(resultKeys) } return nil } if cluster, ok := client.(*redis.ClusterClient); ok { // cluster mode err = cluster.ForEachMaster(ctx, func(ctx context.Context, cli *redis.Client) error { return del(ctx, cli) }) } else { err = del(ctx, client) } if err != nil { resp.Msg = err.Error() return } } else { // delete key only if async { if err = client.Unlink(ctx, key).Err(); err != nil { if err = client.Del(ctx, key).Err(); err != nil { resp.Msg = err.Error() return } } } else { if err = client.Del(ctx, key).Err(); err != nil { resp.Msg = err.Error() return } } deletedKeys = append(deletedKeys, key) } resp.Success = true resp.Data = map[string]any{ "deleted": deletedKeys, "deleteCount": len(deletedKeys), } return } // DeleteOneKey delete one key func (b *browserService) DeleteOneKey(server string, db int, k any) (resp types.JSResp) { item, err := b.getRedisClient(server, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx key := strutil.DecodeRedisKey(k) if cluster, ok := client.(*redis.ClusterClient); ok { // cluster mode err = cluster.ForEachMaster(ctx, func(ctx context.Context, cli *redis.Client) error { return cli.Del(ctx, key).Err() }) } else { err = client.Del(ctx, key).Err() } if err != nil { resp.Msg = err.Error() return } resp.Success = true return } // DeleteKeys delete keys sync with notification func (b *browserService) DeleteKeys(server string, db int, ks []any, serialNo string) (resp types.JSResp) { // connect a new connection to export keys conf := Connection().getConnection(server) if conf == nil { resp.Msg = fmt.Sprintf("no connection profile named: %s", server) return } var client redis.UniversalClient var err error var connConfig = conf.ConnectionConfig connConfig.LastDB = db if client, err = b.createRedisClient(connConfig); err != nil { resp.Msg = err.Error() return } ctx, cancelFunc := context.WithCancel(b.ctx) defer client.Close() defer cancelFunc() cancelEvent := "delete:stop:" + serialNo runtime.EventsOnce(ctx, cancelEvent, func(data ...any) { cancelFunc() }) processEvent := "deleting:" + serialNo total := len(ks) var failed atomic.Int64 var canceled bool var deletedKeys = make([]any, 0, total) var mutex sync.Mutex del := func(ctx context.Context, cli redis.UniversalClient) error { startTime := time.Now() for i, k := range ks { // emit progress per second param := map[string]any{ "total": total, "progress": i + 1, "processing": k, } if i >= total-1 || time.Now().Sub(startTime).Milliseconds() > 100 { startTime = time.Now() runtime.EventsEmit(b.ctx, processEvent, param) } key := strutil.DecodeRedisKey(k) delErr := cli.Del(ctx, key).Err() if err != nil { failed.Add(1) } else { // save deleted key mutex.Lock() deletedKeys = append(deletedKeys, k) mutex.Unlock() } if errors.Is(delErr, context.Canceled) || canceled { canceled = true break } // do some sleep to prevent blocking the Redis server time.Sleep(100 * time.Microsecond) } return nil } if cluster, ok := client.(*redis.ClusterClient); ok { // cluster mode err = cluster.ForEachMaster(ctx, func(ctx context.Context, cli *redis.Client) error { return del(ctx, cli) }) } else { err = del(ctx, client) } runtime.EventsOff(ctx, cancelEvent) resp.Success = true resp.Data = struct { Canceled bool `json:"canceled"` Deleted any `json:"deleted"` Failed int64 `json:"failed"` }{ Canceled: canceled, Deleted: deletedKeys, Failed: failed.Load(), } return } // ExportKey export keys func (b *browserService) ExportKey(server string, db int, ks []any, path string) (resp types.JSResp) { // connect a new connection to export keys conf := Connection().getConnection(server) if conf == nil { resp.Msg = fmt.Sprintf("no connection profile named: %s", server) return } var client redis.UniversalClient var err error var connConfig = conf.ConnectionConfig connConfig.LastDB = db if client, err = b.createRedisClient(connConfig); err != nil { resp.Msg = err.Error() return } ctx, cancelFunc := context.WithCancel(b.ctx) defer client.Close() defer cancelFunc() file, err := os.Create(path) if err != nil { resp.Msg = err.Error() return } defer file.Close() writer := csv.NewWriter(file) defer writer.Flush() cancelEvent := "export:stop:" + path runtime.EventsOnce(ctx, cancelEvent, func(data ...any) { cancelFunc() }) processEvent := "exporting:" + path total := len(ks) var exported, failed int64 var canceled bool for i, k := range ks { param := map[string]any{ "total": total, "progress": i + 1, "processing": k, } runtime.EventsEmit(b.ctx, processEvent, param) key := strutil.DecodeRedisKey(k) content, dumpErr := client.Dump(ctx, key).Bytes() if errors.Is(dumpErr, context.Canceled) || canceled { canceled = true break } if err = writer.Write([]string{hex.EncodeToString([]byte(key)), hex.EncodeToString(content)}); err != nil { failed += 1 } else { exported += 1 } } runtime.EventsOff(ctx, cancelEvent) resp.Success = true resp.Data = struct { Canceled bool `json:"canceled"` Exported int64 `json:"exported"` Failed int64 `json:"failed"` }{ Canceled: canceled, Exported: exported, Failed: failed, } return } // FlushDB flush database func (b *browserService) FlushDB(connName string, db int, async bool) (resp types.JSResp) { item, err := b.getRedisClient(connName, db) if err != nil { resp.Msg = err.Error() return } flush := func(ctx context.Context, cli redis.UniversalClient, async bool) error { _, e := cli.TxPipelined(ctx, func(pipe redis.Pipeliner) error { pipe.Select(ctx, db) if async { pipe.FlushDBAsync(ctx) } else { pipe.FlushDB(ctx) } return nil }) return e } client, ctx := item.client, item.ctx if cluster, ok := client.(*redis.ClusterClient); ok { // cluster mode err = cluster.ForEachMaster(ctx, func(ctx context.Context, cli *redis.Client) error { return flush(ctx, cli, async) }) // try sync mode if error cause if err != nil && async { err = cluster.ForEachMaster(ctx, func(ctx context.Context, cli *redis.Client) error { return flush(ctx, cli, false) }) } } else { if err = flush(ctx, client, async); err != nil && async { // try sync mode if error cause err = flush(ctx, client, false) } } if err != nil { resp.Msg = err.Error() return } resp.Success = true return } // RenameKey rename key func (b *browserService) RenameKey(connName string, db int, key, newKey string) (resp types.JSResp) { item, err := b.getRedisClient(connName, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx if _, ok := client.(*redis.ClusterClient); ok { resp.Msg = "RENAME not support in cluster mode yet" return } if _, err = client.RenameNX(ctx, key, newKey).Result(); err != nil { resp.Msg = err.Error() return } resp.Success = true return } // GetCmdHistory get redis command history func (b *browserService) GetCmdHistory(pageNo, pageSize int) (resp types.JSResp) { resp.Success = true if pageSize <= 0 || pageNo <= 0 { // return all history resp.Data = map[string]any{ "list": b.cmdHistory, "pageNo": 1, "pageSize": -1, } } else { total := len(b.cmdHistory) startIndex := total / pageSize * (pageNo - 1) endIndex := min(startIndex+pageSize, total) resp.Data = map[string]any{ "list": b.cmdHistory[startIndex:endIndex], "pageNo": pageNo, "pageSize": pageSize, } } return } // CleanCmdHistory clean redis command history func (b *browserService) CleanCmdHistory() (resp types.JSResp) { b.cmdHistory = []cmdHistoryItem{} resp.Success = true return } // GetSlowLogs get slow log list func (b *browserService) GetSlowLogs(connName string, db int, num int64) (resp types.JSResp) { item, err := b.getRedisClient(connName, db) if err != nil { resp.Msg = err.Error() return } client, ctx := item.client, item.ctx var logs []redis.SlowLog if cluster, ok := client.(*redis.ClusterClient); ok { // cluster mode var mu sync.Mutex err = cluster.ForEachShard(ctx, func(ctx context.Context, cli *redis.Client) error { if subLogs, _ := client.SlowLogGet(ctx, num).Result(); len(subLogs) > 0 { mu.Lock() logs = append(logs, subLogs...) mu.Unlock() } return nil }) } else { logs, err = client.SlowLogGet(ctx, num).Result() } if err != nil { resp.Msg = err.Error() return } sort.Slice(logs, func(i, j int) bool { return logs[i].Time.UnixMilli() > logs[j].Time.UnixMilli() }) if len(logs) > int(num) { logs = logs[:num] } list := sliceutil.Map(logs, func(i int) slowLogItem { var name string var e error if name, e = url.QueryUnescape(logs[i].ClientName); e != nil { name = logs[i].ClientName } return slowLogItem{ Timestamp: logs[i].Time.UnixMilli(), Client: name, Addr: logs[i].ClientAddr, Cmd: sliceutil.JoinString(logs[i].Args, " "), Cost: logs[i].Duration.Milliseconds(), } }) resp.Success = true resp.Data = map[string]any{ "list": list, } return }