fix: redis support acquisition time

pull/2664/head
withchao 1 year ago
parent 6add09d476
commit 4cb56a1326

@ -169,6 +169,7 @@ local key = KEYS[1]
local size = tonumber(ARGV[1])
local lockSecond = ARGV[2]
local dataSecond = ARGV[3]
local mallocTime = ARGV[4]
local result = {}
if redis.call("EXISTS", key) == 0 then
local lockValue = math.random(0, 999999999)
@ -189,6 +190,12 @@ if size == 0 then
table.insert(result, 0)
table.insert(result, curr_seq)
table.insert(result, last_seq)
local setTime = redis.call("HGET", key, "TIME")
if setTime then
table.insert(result, setTime)
else
table.insert(result, 0)
end
return result
end
local max_seq = curr_seq + size
@ -196,21 +203,25 @@ if max_seq > last_seq then
local lockValue = math.random(0, 999999999)
redis.call("HSET", key, "LOCK", lockValue)
redis.call("HSET", key, "CURR", last_seq)
redis.call("HSET", key, "TIME", mallocTime)
redis.call("EXPIRE", key, lockSecond)
table.insert(result, 3)
table.insert(result, curr_seq)
table.insert(result, last_seq)
table.insert(result, lockValue)
table.insert(result, mallocTime)
return result
end
redis.call("HSET", key, "CURR", max_seq)
redis.call("HSET", key, "TIME", ARGV[4])
redis.call("EXPIRE", key, dataSecond)
table.insert(result, 0)
table.insert(result, curr_seq)
table.insert(result, last_seq)
table.insert(result, mallocTime)
return result
`
result, err := s.rdb.Eval(ctx, script, []string{key}, size, int64(s.lockTime/time.Second), int64(s.dataTime/time.Second)).Int64Slice()
result, err := s.rdb.Eval(ctx, script, []string{key}, size, int64(s.lockTime/time.Second), int64(s.dataTime/time.Second), time.Now().UnixMilli()).Int64Slice()
if err != nil {
return nil, errs.Wrap(err)
}
@ -267,29 +278,34 @@ func (s *seqConversationCacheRedis) getMallocSize(conversationID string, size in
}
func (s *seqConversationCacheRedis) Malloc(ctx context.Context, conversationID string, size int64) (int64, error) {
seq, _, err := s.mallocTime(ctx, conversationID, size)
return seq, err
}
func (s *seqConversationCacheRedis) mallocTime(ctx context.Context, conversationID string, size int64) (int64, int64, error) {
if size < 0 {
return 0, errs.New("size must be greater than 0")
return 0, 0, errs.New("size must be greater than 0")
}
key := s.getSeqMallocKey(conversationID)
for i := 0; i < 10; i++ {
states, err := s.malloc(ctx, key, size)
if err != nil {
return 0, err
return 0, 0, err
}
switch states[0] {
case 0: // success
return states[1], nil
return states[1], states[3], nil
case 1: // not found
mallocSize := s.getMallocSize(conversationID, size)
seq, err := s.mgo.Malloc(ctx, conversationID, mallocSize)
if err != nil {
return 0, err
return 0, 0, err
}
s.setSeqRetry(ctx, key, states[1], seq+size, seq+mallocSize)
return seq, nil
return seq, 0, nil
case 2: // locked
if err := s.wait(ctx); err != nil {
return 0, err
return 0, 0, err
}
continue
case 3: // exceeded cache max value
@ -298,23 +314,23 @@ func (s *seqConversationCacheRedis) Malloc(ctx context.Context, conversationID s
mallocSize := s.getMallocSize(conversationID, size)
seq, err := s.mgo.Malloc(ctx, conversationID, mallocSize)
if err != nil {
return 0, err
return 0, 0, err
}
if lastSeq == seq {
s.setSeqRetry(ctx, key, states[3], currSeq+size, seq+mallocSize)
return currSeq, nil
return currSeq, 0, nil
} else {
log.ZWarn(ctx, "malloc seq not equal cache last seq", nil, "conversationID", conversationID, "currSeq", currSeq, "lastSeq", lastSeq, "mallocSeq", seq)
s.setSeqRetry(ctx, key, states[3], seq+size, seq+mallocSize)
return seq, nil
return seq, 0, nil
}
default:
log.ZError(ctx, "malloc seq unknown state", nil, "state", states[0], "conversationID", conversationID, "size", size)
return 0, errs.New(fmt.Sprintf("unknown state: %d", states[0]))
return 0, 0, errs.New(fmt.Sprintf("unknown state: %d", states[0]))
}
}
log.ZError(ctx, "malloc seq retrying still failed", nil, "conversationID", conversationID, "size", size)
return 0, errs.New("malloc seq waiting for lock timeout", "conversationID", conversationID, "size", size)
return 0, 0, errs.New("malloc seq waiting for lock timeout", "conversationID", conversationID, "size", size)
}
func (s *seqConversationCacheRedis) GetMaxSeq(ctx context.Context, conversationID string) (int64, error) {
@ -331,3 +347,7 @@ func (s *seqConversationCacheRedis) SetMinSeqs(ctx context.Context, seqs map[str
}
return DeleteCacheBySlot(ctx, s.rocks, keys)
}
func (s *seqConversationCacheRedis) GetMaxSeqWithTime(ctx context.Context, conversationID string) (int64, int64, error) {
return s.mallocTime(ctx, conversationID, 0)
}

@ -14,7 +14,7 @@ import (
)
func newTestSeq() *seqConversationCacheRedis {
mgocli, err := mongo.Connect(context.Background(), options.Client().ApplyURI("mongodb://openIM:openIM123@172.16.8.48:37017/openim_v3?maxPoolSize=100").SetConnectTimeout(5*time.Second))
mgocli, err := mongo.Connect(context.Background(), options.Client().ApplyURI("mongodb://openIM:openIM123@127.0.0.1:37017/openim_v3?maxPoolSize=100").SetConnectTimeout(5*time.Second))
if err != nil {
panic(err)
}
@ -23,7 +23,7 @@ func newTestSeq() *seqConversationCacheRedis {
panic(err)
}
opt := &redis.Options{
Addr: "172.16.8.48:16379",
Addr: "127.0.0.1:16379",
Password: "openIM123",
DB: 1,
}
@ -107,3 +107,13 @@ func TestMinSeq(t *testing.T) {
ts := newTestSeq()
t.Log(ts.GetMinSeq(context.Background(), "10000000"))
}
func TestMalloc(t *testing.T) {
ts := newTestSeq()
t.Log(ts.Malloc(context.Background(), "10000000", 100))
}
func TestGetMaxSeqWithTime(t *testing.T) {
ts := newTestSeq()
t.Log(ts.GetMaxSeqWithTime(context.Background(), "10000000"))
}

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