func init() {
store.DefaultDBManager.AddFuncWithSideEffects("del", func(db *store.DB, args []string) string {
del_count := 0
for _, v := range args {
ok := db.StoreDel(v)
if ok {
del_count += 1
}
}
return reply.IntReply(del_count)
})
store.DefaultDBManager.AddFuncWithSideEffects("expire", func(db *store.DB, args []string) string {
_, ok, _ := db.StoreGet(args[0], data.Any)
if ok {
millis := store.Milliseconds()
expires, err := strconv.Atoi(args[1])
if err != nil {
return reply.IntReply(0)
} else {
db.ExpiryRecord[args[0]] = millis + uint64(expires*1000)
return reply.IntReply(1)
}
}
return reply.IntReply(0)
})
store.DefaultDBManager.AddFuncWithSideEffects("pexpire", func(db *store.DB, args []string) string {
_, ok, _ := db.StoreGet(args[0], data.Any)
if ok {
millis := store.Milliseconds()
expires, err := strconv.Atoi(args[1])
if err != nil {
return reply.IntReply(0)
} else {
db.ExpiryRecord[args[0]] = millis + uint64(expires)
return reply.IntReply(1)
}
}
return reply.IntReply(0)
})
store.DefaultDBManager.AddFunc("ttl", func(db *store.DB, args []string) string {
_, ok, _ := db.StoreGet(args[0], data.Any)
if !ok {
return reply.IntReply(-2)
}
time, ok := db.ExpiryRecord[args[0]]
millis := store.Milliseconds()
if ok {
if time == 0 {
return reply.IntReply(-1)
} else if time < millis {
db.StoreDel(args[0])
return reply.IntReply(-2)
} else {
return reply.IntReply(int((time - millis) / 1000))
}
} else {
return reply.IntReply(-1)
}
})
store.DefaultDBManager.AddFunc("pttl", func(db *store.DB, args []string) string {
_, ok, _ := db.StoreGet(args[0], data.Any)
if !ok {
return reply.IntReply(-2)
}
time, ok := db.ExpiryRecord[args[0]]
millis := store.Milliseconds()
if ok {
if time == 0 {
return reply.IntReply(-1)
} else if time < millis {
db.StoreDel(args[0])
return reply.IntReply(-2)
} else {
return reply.IntReply(int(time - millis))
}
} else {
return reply.IntReply(-1)
}
})
store.DefaultDBManager.AddFunc("exists", func(db *store.DB, args []string) string {
_, ok, _ := db.StoreGet(args[0], data.Any)
if ok {
return reply.IntReply(1)
}
return reply.IntReply(0)
})
store.DefaultDBManager.AddFunc("dump", func(db *store.DB, args []string) string {
bytes_rep, ok := db.StoreDump(args[0])
fmt.Println(bytes_rep)
str_rep := string(bytes_rep)
if ok {
return reply.BulkReply(str_rep)
} else {
return reply.NilReply
}
})
store.DefaultDBManager.AddFuncWithSideEffects("restore", func(db *store.DB, args []string) string {
unquoted_data, _ := strconv.Unquote(args[1])
fmt.Println(unquoted_data)
bytes_rep := []byte(unquoted_data)
ok := db.StoreLoad(args[0], bytes_rep)
if ok {
return reply.OKReply
} else {
return reply.NilReply
}
})
store.DefaultDBManager.AddFunc("type", func(db *store.DB, args []string) string {
elem, ok, _ := db.StoreGet(args[0], data.Any)
if ok {
return reply.IntReply(int(elem.Type()))
} else {
return reply.NilReply
}
})
store.DefaultDBManager.AddFunc("keys", func(db *store.DB, args []string) string {
keys := db.StoreKeysMatch(args[0])
var writer reply.MultiBulkWriter
writer.WriteCount(len(keys))
for _, key := range keys {
writer.WriteString(key)
}
return writer.String()
})
store.DefaultDBManager.AddFunc("randomkey", func(db *store.DB, args []string) string {
for key, _ := range db.Store {
return reply.BulkReply(key)
}
return reply.NilReply
})
store.DefaultDBManager.AddFunc("ping", func(db *store.DB, args []string) string {
return reply.BulkReply("PONG")
})
}
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() {
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 {
//})
}