func init() {
store.RegisterStoreType(StringType)
store.DefaultDBManager.AddFuncWithSideEffects("append", func(db *store.DB, args []string) string {
elem, ok, _ := db.StoreGet(args[0], StringType)
if ok {
str, _ := elem.Value.(string)
str += args[1]
elem.Value = str
return reply.IntReply(len(str))
} else {
db.StoreSet(args[0], &data.Entry{args[1], StringType})
return reply.IntReply(len(args[1]))
}
})
bitCount := []uint8{0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4,
1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8}
store.DefaultDBManager.AddFuncWithSideEffects("bitcount", func(db *store.DB, args []string) string {
elem, ok, _ := db.StoreGet(args[0], StringType)
if ok {
byte_arr, _ := elem.Value.([]byte)
c := 0
for _, c := range byte_arr {
c += bitCount[c]
}
return reply.IntReply(c)
} else {
return reply.IntReply(0)
}
})
store.DefaultDBManager.AddFuncWithSideEffects("decr", func(db *store.DB, args []string) string {
elem, ok, _ := db.StoreGet(args[0], StringType)
var num int
if ok {
str, _ := elem.Value.(string)
num, err := strconv.Atoi(str)
if err != nil {
panic(err)
}
num -= 1
elem.Value = fmt.Sprintf("%d", num)
} else {
num = -1
db.StoreSet(args[0], &data.Entry{"-1", StringType})
}
return reply.IntReply(num)
})
store.DefaultDBManager.AddFuncWithSideEffects("decrby", func(db *store.DB, args []string) string {
elem, ok, _ := db.StoreGet(args[0], StringType)
var num int
decrby, err := strconv.Atoi(args[1])
if err != nil {
panic(err)
}
if ok {
str, _ := elem.Value.(string)
num, err := strconv.Atoi(str)
if err != nil {
panic(err)
}
num -= decrby
elem.Value = fmt.Sprintf("%d", num)
} else {
str := fmt.Sprintf("-%d", decrby)
db.StoreSet(args[0], &data.Entry{str, StringType})
}
println(num)
return reply.IntReply(num)
})
store.DefaultDBManager.AddFuncWithSideEffects("incr", func(db *store.DB, args []string) string {
elem, ok, _ := db.StoreGet(args[0], StringType)
var num int
if ok {
str, _ := elem.Value.(string)
num, err := strconv.Atoi(str)
if err != nil {
panic(err)
}
num += 1
elem.Value = fmt.Sprintf("%d", num)
} else {
num = 1
db.StoreSet(args[0], &data.Entry{"-1", StringType})
}
return reply.IntReply(num)
})
store.DefaultDBManager.AddFuncWithSideEffects("incrby", func(db *store.DB, args []string) string {
elem, ok, _ := db.StoreGet(args[0], StringType)
var num int
decrby, err := strconv.Atoi(args[1])
if err != nil {
panic(err)
}
if ok {
str, _ := elem.Value.(string)
num, err := strconv.Atoi(str)
if err != nil {
panic(err)
}
num += decrby
elem.Value = fmt.Sprintf("%d", num)
} else {
str := fmt.Sprintf("%d", decrby)
db.StoreSet(args[0], &data.Entry{str, StringType})
}
println(num)
return reply.IntReply(num)
})
store.DefaultDBManager.AddFunc("get", func(db *store.DB, args []string) string {
elem, ok, err := db.StoreGet(args[0], StringType)
if err != nil {
return reply.ErrorReply(err)
}
if ok {
str := elem.GetString()
return reply.BulkReply(str)
} else {
return reply.NilReply
}
})
store.DefaultDBManager.AddFunc("getset", func(db *store.DB, args []string) string {
elem, ok, err := db.StoreGet(args[0], StringType)
if err != nil {
return reply.ErrorReply(err)
}
if ok {
str := elem.GetString()
elem.Value = args[1]
return reply.BulkReply(str)
} else {
db.StoreSet(args[0], &data.Entry{args[1], StringType})
return reply.NilReply
}
})
store.DefaultDBManager.AddFuncWithSideEffects("psetex", func(db *store.DB, args []string) string {
elem, ok, _ := db.StoreGet(args[0], StringType)
millis, err := strconv.Atoi(args[1])
if err != nil {
panic(err)
}
db.ExpiryRecord[args[0]] = store.Milliseconds() + uint64(millis)
if ok {
elem.Value = args[2]
} else {
db.StoreSet(args[0], &data.Entry{args[2], StringType})
}
return reply.OKReply
})
store.DefaultDBManager.AddFuncWithSideEffects("setex", func(db *store.DB, args []string) string {
elem, ok, _ := db.StoreGet(args[0], StringType)
seconds, err := strconv.Atoi(args[1])
if err != nil {
panic(err)
}
db.ExpiryRecord[args[0]] = store.Milliseconds() + uint64(seconds)*1000
if ok {
elem.Value = args[2]
} else {
db.StoreSet(args[0], &data.Entry{args[2], StringType})
}
return reply.OKReply
})
store.DefaultDBManager.AddFuncWithSideEffects("set", func(db *store.DB, args []string) string {
elem, ok, _ := db.StoreGet(args[0], StringType)
if ok {
elem.Value = args[1]
} else {
db.StoreSet(args[0], &data.Entry{args[1], StringType})
}
return reply.OKReply
})
store.DefaultDBManager.AddFuncWithSideEffects("setnx", func(db *store.DB, args []string) string {
s := args[0]
_, ok, _ := db.StoreGet(s, StringType)
if ok {
return reply.IntReply(0)
}
db.StoreSet(s, &data.Entry{args[1], StringType})
return reply.IntReply(1)
})
store.DefaultDBManager.AddFunc("strlen", func(db *store.DB, args []string) string {
elem, ok, err := db.StoreGet(args[0], StringType)
if err != nil {
return reply.ErrorReply(err)
}
if ok {
str := elem.GetString()
return reply.IntReply(len(str))
} else {
return reply.IntReply(0)
}
})
}
func init() {
store.DefaultDBManager.AddFunc("select", func(db *store.DB, args []string) string {
return reply.OKReply
})
store.DefaultDBManager.AddFunc("info", func(db *store.DB, args []string) string {
return reply.BulkReply("# Server\r\nredis_version:2.6.7\r\n")
})
store.DefaultDBManager.AddFunc("meminuse", func(db *store.DB, args []string) string {
return reply.IntReply(int(store.MemInUse()))
})
store.DefaultDBManager.AddFunc("objectsinuse", func(db *store.DB, args []string) string {
var memProfiles []runtime.MemProfileRecord
n, _ := runtime.MemProfile(memProfiles, false)
memProfiles = make([]runtime.MemProfileRecord, n)
n, _ = runtime.MemProfile(memProfiles, false)
objects := int64(0)
for _, prof := range memProfiles {
objects += prof.InUseObjects()
}
return reply.IntReply(int(objects))
})
store.DefaultDBManager.AddFunc("gc", func(db *store.DB, args []string) string {
runtime.GC()
return reply.OKReply
})
store.DefaultDBManager.AddFunc("freeosmemory", func(db *store.DB, args []string) string {
debug.FreeOSMemory()
return reply.OKReply
})
store.DefaultDBManager.AddFunc("save", func(db *store.DB, args []string) string {
err := db.SaveToDiskSync()
if err != nil {
return reply.ErrorReply(err)
} else {
return reply.OKReply
}
})
store.DefaultDBManager.AddFunc("bgsave", func(db *store.DB, args []string) string {
store.DefaultDBManager.SaveToDiskAsync(nil)
return reply.OKReply
})
store.DefaultDBManager.AddFunc("__end_save_mode__", func(db *store.DB, args []string) string {
db.EndSaveMode()
return reply.OKReply
})
store.DefaultDBManager.AddFunc("dbsize", func(db *store.DB, args []string) string {
return reply.IntReply(store.DefaultDBManager.DBSize())
})
store.DefaultDBManager.AddFunc("lastdump", func(db *store.DB, args []string) string {
elem, ok, _ := db.StoreGet(args[0], data.Any)
if ok {
return reply.IntReply(int(elem.LastDump()))
} else {
return reply.NilReply
}
})
store.DefaultDBManager.AddFunc("lastdumpdb", func(db *store.DB, args []string) string {
return reply.IntReply(int(db.LastDump()))
})
store.DefaultDBManager.AddFunc("flush", func(db *store.DB, args []string) string {
db.Flush()
return reply.OKReply
})
store.DefaultDBManager.AddFunc("keysperdb", func(db *store.DB, args []string) string {
var w reply.MultiBulkWriter
dbs := store.DefaultDBManager.GetDBs()
w.WriteCount(len(dbs))
for _, db := range dbs {
w.WriteString(fmt.Sprintf("%d", len(db.Store)))
}
return w.String()
})
}
func init() {
gob.Register(&Post{})
gob.Register(&Feed{})
store.RegisterStoreType(FeedType)
store.DefaultDBManager.AddFuncWithSideEffects("feedcap", func(db *store.DB, args []string) string {
s := args[0]
cap, err := strconv.Atoi(args[1])
if err != nil {
return reply.ErrorReply(err)
}
e, ok, _ := db.StoreGet(s, FeedType)
if ok {
if f, ok := e.Value.(*Feed); ok {
f.Capacity = cap
return reply.OKReply
} else {
return reply.ErrorReply("Type Mismatch")
}
} else {
f := &Feed{s, cap, 0, make([]*Post, 0)}
db.StoreSet(s, &data.Entry{f, FeedType})
}
return reply.OKReply
})
store.DefaultDBManager.AddFunc("feedget", func(db *store.DB, args []string) string {
if e, ok, _ := db.StoreGet(args[0], FeedType); ok {
if f, ok := e.Value.(*Feed); ok {
cap_str := fmt.Sprintf("%d", f.Capacity)
var rep reply.MultiBulkWriter
rep.WriteCount(2)
rep.WriteString(f.Name)
rep.WriteString(cap_str)
return rep.String()
} else {
return "-ERR Type mismatch\r\n"
}
} else {
return reply.NilReply
}
})
store.DefaultDBManager.AddFuncWithSideEffects("feedpost", func(db *store.DB, args []string) string {
e, ok, _ := db.StoreGet(args[0], FeedType)
if !ok {
s := args[0]
f := &Feed{s, -1, 0, make([]*Post, 0)}
e = &data.Entry{f, FeedType}
db.StoreSet(s, e)
}
if f, ok := e.Value.(*Feed); ok {
timestamp := store.Milliseconds()
if timestamp == f.LastTimestamp {
timestamp += 1
}
f.LastTimestamp = timestamp
p := &Post{args[1], args[2], timestamp, 0, make(map[string]string)}
f.Posts = append(f.Posts, p)
return reply.OKReply
} else {
return reply.ErrorReply("Type mismatch")
}
})
store.DefaultDBManager.AddFunc("feedposts", func(db *store.DB, args []string) string {
if e, ok, _ := db.StoreGet(args[0], FeedType); ok {
if f, ok := e.Value.(*Feed); ok {
post_count := len(f.Posts)
offset := 0
count := post_count
if len(args) == 3 {
var err error
offset, err = strconv.Atoi(args[1])
if err != nil {
panic(err)
}
count, err = strconv.Atoi(args[2])
if err != nil {
panic(err)
}
}
if offset >= post_count {
return reply.NilReply
}
if offset+count > post_count {
count = post_count - offset
}
var rep reply.MultiBulkWriter
rep.WriteCount(3 * post_count)
for i := post_count - offset; i >= post_count-offset-count; i-- {
p := f.Posts[i]
timestamp_str := fmt.Sprintf("%d", p.Timestamp)
rep.WriteString(p.Author)
rep.WriteString(p.Body)
rep.WriteString(timestamp_str)
}
return rep.String()
} else {
return reply.ErrorReply("Type mismatch")
}
} else {
return reply.NilReply
}
})
store.DefaultDBManager.AddFunc("feedlen", func(db *store.DB, args []string) string {
if e, ok, _ := db.StoreGet(args[0], FeedType); ok {
if f, ok := e.Value.(*Feed); ok {
return reply.IntReply(len(f.Posts))
}
}
return reply.NilReply
})
//store.DefaultDBManager.AddFuncWithSideEffects("feedlike", func (db *store.DB, args []string) string {
//})
}
func init() {
gob.Register(&User{})
store.RegisterStoreType(UserType)
store.DefaultDBManager.AddFuncWithSideEffects("useradd", func(db *store.DB, args []string) string {
s := args[0]
_, ok, _ := db.StoreGet(s, UserType)
if ok {
return reply.ErrorReply("Key already exists")
} else {
raw_hash, _ := scrypt.Key([]byte(args[1]), []byte(args[0]), 16384, 8, 1, 32)
b64_hash := store.Base64Encode(raw_hash)
final_hash := fmt.Sprintf("$%d$%d$%d$%s", 16384, 8, 1, string(b64_hash))
user := &User{args[0], final_hash, "", 0}
db.StoreSet(args[0], &data.Entry{user, UserType})
return reply.OKReply
}
return reply.OKReply
})
store.DefaultDBManager.AddFunc("userget", func(db *store.DB, args []string) string {
s := args[0]
e, ok, _ := db.StoreGet(s, UserType)
if ok {
if user, ok := e.Value.(*User); ok {
score_str := fmt.Sprintf("%d", user.Score)
var rep reply.MultiBulkWriter
rep.WriteCount(2)
rep.WriteString(user.Username)
rep.WriteString(score_str)
return rep.String()
} else {
return reply.ErrorReply("Type Mismatch")
}
} else {
return reply.NilReply
}
})
store.DefaultDBManager.AddFuncWithSideEffects("userauth", func(db *store.DB, args []string) string {
username := args[0]
e, ok, _ := db.StoreGet(username, UserType)
if ok {
if user, ok := e.Value.(*User); ok {
password := args[1]
raw_hash, _ := scrypt.Key([]byte(password), []byte(username), 16384, 8, 1, 32)
b64_hash := store.Base64Encode(raw_hash)
final_hash := fmt.Sprintf("$%d$%d$%d$%s", 16384, 8, 1, string(b64_hash))
if final_hash == user.Hash {
c := 64
b := make([]byte, c)
n, err := io.ReadFull(rand.Reader, b)
if n != len(b) || err != nil {
return reply.ErrorReply("Unable to generate a secure random token")
}
token := store.Base64Encode(b)
token_str := string(token)
db.StoreSet(token_str, &data.Entry{username, 0})
if user.Token != "" {
db.StoreDel(token_str)
}
user.Token = token_str
return reply.BulkReply(token_str)
} else {
return reply.ErrorReply("Password is incorrect")
}
} else {
return reply.ErrorReply("How did you manage to mess things up this good?")
}
} else {
return reply.ErrorReply("No user exists with that username")
}
})
store.DefaultDBManager.AddFunc("usertoken", func(db *store.DB, args []string) string {
token := args[0]
e, ok, _ := db.StoreGet(token, strings.StringType)
if ok {
str, _ := e.Value.(string)
return reply.BulkReply(str)
} else {
return reply.ErrorReply("Invalid or expired token")
}
})
}
func init() {
gob.Register(make(map[string]bool))
store.RegisterStoreType(SetType)
store.DefaultDBManager.AddFuncWithSideEffects("sadd", func(db *store.DB, args []string) string {
e, ok, err := db.StoreGet(args[0], SetType)
if err != nil {
return reply.ErrorReply("Type Mismatch")
}
var setData map[string]bool
if !ok {
setData = make(map[string]bool)
db.StoreSet(args[0], &data.Entry{setData, SetType})
} else {
setData, _ = e.Value.(map[string]bool)
}
l := len(args)
sdata := args[1:l]
count := 0
for _, member := range sdata {
_, ok = setData[member]
if !ok {
setData[member] = true
count += 1
}
}
return reply.IntReply(count)
})
store.DefaultDBManager.AddFuncWithSideEffects("srem", func(db *store.DB, args []string) string {
e, ok, err := db.StoreGet(args[0], SetType)
if err != nil {
return reply.ErrorReply("Type Mismatch")
}
if !ok {
return reply.NilReply
}
setData, ok := e.Value.(map[string]bool)
if !ok {
setData = make(map[string]bool)
db.StoreSet(args[0], &data.Entry{setData, SetType})
}
l := len(args)
sdata := args[1:l]
count := 0
for _, member := range sdata {
_, ok = setData[member]
if ok {
delete(setData, member)
count += 1
}
}
return reply.IntReply(count)
})
store.DefaultDBManager.AddFuncWithSideEffects("srem", func(db *store.DB, args []string) string {
e, ok, err := db.StoreGet(args[0], SetType)
if err != nil {
return reply.ErrorReply("Type Mismatch")
}
if !ok {
return reply.NilReply
}
setData, ok := e.Value.(map[string]bool)
if !ok {
setData = make(map[string]bool)
}
l := len(args)
sdata := args[1:l]
count := 0
for _, member := range sdata {
_, ok = setData[member]
if ok {
delete(setData, member)
count += 1
}
}
return reply.IntReply(count)
})
store.DefaultDBManager.AddFunc("sismember", func(db *store.DB, args []string) string {
e, ok, err := db.StoreGet(args[0], SetType)
if err != nil || !ok {
return "-ERR Type Mismatch\r\n"
}
if !ok {
return reply.NilReply
}
setData, ok := e.Value.(map[string]bool)
if !ok {
return reply.IntReply(0)
}
_, ok = setData[args[1]]
if ok {
return reply.IntReply(1)
}
return reply.IntReply(0)
})
store.DefaultDBManager.AddFunc("scard", func(db *store.DB, args []string) string {
e, ok, err := db.StoreGet(args[0], SetType)
if err != nil || !ok {
return reply.ErrorReply("Type Mismatch")
}
if !ok {
return reply.NilReply
}
setData, ok := e.Value.(map[string]bool)
if ok {
return reply.IntReply(len(setData))
}
return reply.IntReply(0)
})
store.DefaultDBManager.AddFuncWithSideEffects("spop", func(db *store.DB, args []string) string {
e, ok, err := db.StoreGet(args[0], SetType)
if err != nil || !ok {
return "-ERR Type Mismatch\r\n"
}
if !ok {
return reply.NilReply
}
setData, ok := e.Value.(map[string]bool)
if !ok {
return reply.NilReply
}
for k, _ := range setData {
delete(setData, k)
return reply.BulkReply(k)
}
return reply.NilReply
})
store.DefaultDBManager.AddFuncWithSideEffects("smembers", func(db *store.DB, args []string) string {
e, ok, err := db.StoreGet(args[0], SetType)
if err != nil || !ok {
return "-ERR Type Mismatch\r\n"
}
if !ok {
return reply.NilReply
}
setData, ok := e.Value.(map[string]bool)
if !ok {
return reply.NilReply
}
var w reply.MultiBulkWriter
w.WriteCount(len(setData))
for k, _ := range setData {
w.WriteString(k)
}
return w.String()
})
store.DefaultDBManager.AddFuncWithSideEffects("srandmember", func(db *store.DB, args []string) string {
e, ok, err := db.StoreGet(args[0], SetType)
if err != nil || !ok {
return "-ERR Type Mismatch\r\n"
}
if !ok {
return reply.NilReply
}
setData, ok := e.Value.(map[string]bool)
if !ok {
return reply.NilReply
}
if len(args) > 1 {
count, err := strconv.Atoi(args[1])
if err != nil {
panic(err)
}
var w reply.MultiBulkWriter
w.WriteCount(count)
for k, _ := range setData {
w.WriteString(k)
count -= 1
if count == 0 {
break
}
}
return w.String()
} else {
for k, _ := range setData {
return reply.BulkReply(k)
}
}
return reply.NilReply
})
}
func init() {
slaveChan := make(chan string)
var slaveConn net.Conn
go func() {
c := parser.CommandParser{}
c.Reset()
c.Restart()
replyChan := make(chan string)
line := make([]byte, 1024)
var done bool
var err error
var commands []com.Command
comChan := store.DefaultDBManager.ComChan
for {
master := <-slaveChan
if slaveConn != nil {
slaveConn.Close()
slaveConn = nil
}
if master != "NO:ONE" {
slaveConn, err = net.Dial("tcp", master)
if err == nil {
slaveConn.Write([]byte("*1\r\n$4\r\nSYNC\r\n"))
go func() {
db_dec := gob.NewDecoder(slaveConn)
store.DefaultDBManager.LoadFromGobDecoder(db_dec)
for {
n, err := slaveConn.Read(line[:])
if err != nil {
return
}
done, commands, err = c.ParseBytes(line[:n])
if err != nil {
break
}
// if we've processed any commands, run them
if done {
for _, command := range commands {
command.ReplyChan = replyChan
comChan <- command
<-replyChan
}
c.Reset()
}
}
}()
} else {
slaveChan <- reply.ErrorReply(fmt.Sprintf("Unable to connect to server at %s", master))
continue
}
}
slaveChan <- reply.OKReply
}
}()
store.DefaultDBManager.AddFunc("slaveof", func(db *store.DB, args []string) string {
ip := args[0]
port := args[1]
slaveChan <- fmt.Sprintf("%s:%s", ip, port)
return <-slaveChan
})
store.DefaultDBManager.AddFunc("movebucket", func(db *store.DB, args []string) string {
ip := args[0]
port := args[1]
bucket, err := strconv.Atoi(args[2])
if err != nil {
return reply.ErrorReply("Invalid bucket")
}
slaveChan <- fmt.Sprintf("%s:%s", ip, port)
return <-slaveChan
})
}