示例#1
0
文件: binlog_test.go 项目: lunny/nodb
func TestBinLog(t *testing.T) {
	cfg := new(config.Config)

	cfg.BinLog.MaxFileNum = 1
	cfg.BinLog.MaxFileSize = 1024
	cfg.DataDir = "/tmp/ledis_binlog"

	os.RemoveAll(cfg.DataDir)

	b, err := NewBinLog(cfg)
	if err != nil {
		t.Fatal(err)
	}

	if err := b.Log(make([]byte, 1024)); err != nil {
		t.Fatal(err)
	}

	if err := b.Log(make([]byte, 1024)); err != nil {
		t.Fatal(err)
	}

	if fs, err := ioutil.ReadDir(b.LogPath()); err != nil {
		t.Fatal(err)
	} else if len(fs) != 2 {
		t.Fatal(len(fs))
	}
}
示例#2
0
文件: nodb.go 项目: weisd/gin-contrib
// Init initializes nodb session provider.
func (p *NodbProvider) Init(expire int64, configs string) error {
	p.expire = expire

	cfg := new(config.Config)
	cfg.DataDir = configs
	dbs, err := nodb.Open(cfg)
	if err != nil {
		return fmt.Errorf("session/nodb: error opening db: %v", err)
	}

	p.c, err = dbs.Select(0)
	return err
}
示例#3
0
文件: nodb.go 项目: kenno/cache
func (c *NodbCacher) new() (err error) {
	if c.db != nil {
		return ErrDBExists
	}

	cfg := new(config.Config)
	cfg.DataDir = c.filepath
	c.dbs, err = nodb.Open(cfg)
	if err != nil {
		return fmt.Errorf("cache/nodb: error opening db: %v", err)
	}

	c.db, err = c.dbs.Select(0)
	return err
}
示例#4
0
文件: nodb.go 项目: lunny/nodb
func Open(cfg *config.Config) (*Nodb, error) {
	if len(cfg.DataDir) == 0 {
		cfg.DataDir = config.DefaultDataDir
	}

	ldb, err := store.Open(cfg)
	if err != nil {
		return nil, err
	}

	l := new(Nodb)

	l.quit = make(chan struct{})
	l.jobs = new(sync.WaitGroup)

	l.ldb = ldb

	if cfg.BinLog.MaxFileNum > 0 && cfg.BinLog.MaxFileSize > 0 {
		l.binlog, err = NewBinLog(cfg)
		if err != nil {
			return nil, err
		}
	} else {
		l.binlog = nil
	}

	for i := uint8(0); i < MaxDBNumber; i++ {
		l.dbs[i] = l.newDB(i)
	}

	l.activeExpireCycle()

	return l, nil
}
示例#5
0
文件: dump_test.go 项目: lunny/nodb
func TestDump(t *testing.T) {
	cfgM := new(config.Config)
	cfgM.DataDir = "/tmp/test_ledis_master"

	os.RemoveAll(cfgM.DataDir)

	master, err := Open(cfgM)
	if err != nil {
		t.Fatal(err)
	}

	cfgS := new(config.Config)
	cfgS.DataDir = "/tmp/test_ledis_slave"
	os.RemoveAll(cfgM.DataDir)

	var slave *Nodb
	if slave, err = Open(cfgS); err != nil {
		t.Fatal(err)
	}

	db, _ := master.Select(0)

	db.Set([]byte("a"), []byte("1"))
	db.Set([]byte("b"), []byte("2"))
	db.Set([]byte("c"), []byte("3"))

	if err := master.DumpFile("/tmp/testdb.dump"); err != nil {
		t.Fatal(err)
	}

	if _, err := slave.LoadDumpFile("/tmp/testdb.dump"); err != nil {
		t.Fatal(err)
	}

	it := master.ldb.RangeLimitIterator(nil, nil, store.RangeClose, 0, -1)
	for ; it.Valid(); it.Next() {
		key := it.Key()
		value := it.Value()

		if v, err := slave.ldb.Get(key); err != nil {
			t.Fatal(err)
		} else if !bytes.Equal(v, value) {
			t.Fatal("load dump error")
		}
	}
}
示例#6
0
文件: store.go 项目: lunny/nodb
func GetStore(cfg *config.Config) (Store, error) {
	if len(cfg.DBName) == 0 {
		cfg.DBName = config.DefaultDBName
	}

	s, ok := dbs[cfg.DBName]
	if !ok {
		return nil, fmt.Errorf("store %s is not registered", cfg.DBName)
	}

	return s, nil
}
示例#7
0
文件: nodb_test.go 项目: lunny/nodb
func getTestDB() *DB {
	f := func() {
		cfg := new(config.Config)
		cfg.DataDir = "/tmp/test_ledis"
		// cfg.BinLog.MaxFileSize = 1073741824
		// cfg.BinLog.MaxFileNum = 3

		os.RemoveAll(cfg.DataDir)

		var err error
		testLedis, err = Open(cfg)
		if err != nil {
			println(err.Error())
			panic(err)
		}
	}

	testLedisOnce.Do(f)
	db, _ := testLedis.Select(0)
	return db
}
示例#8
0
文件: store_test.go 项目: lunny/nodb
func TestStore(t *testing.T) {
	cfg := new(config.Config)
	cfg.DataDir = "/tmp/testdb"
	cfg.LMDB.MapSize = 10 * 1024 * 1024

	ns := driver.ListStores()
	for _, s := range ns {
		cfg.DBName = s

		os.RemoveAll(getStorePath(cfg))

		db, err := Open(cfg)
		if err != nil {
			t.Fatal(err)
		}

		testStore(db, t)
		testClear(db, t)
		testTx(db, t)

		db.Close()
	}
}
示例#9
0
func TestReplication(t *testing.T) {
	var master *Nodb
	var slave *Nodb
	var err error

	cfgM := new(config.Config)
	cfgM.DataDir = "/tmp/test_repl/master"

	cfgM.BinLog.MaxFileNum = 10
	cfgM.BinLog.MaxFileSize = 50

	os.RemoveAll(cfgM.DataDir)

	master, err = Open(cfgM)
	if err != nil {
		t.Fatal(err)
	}

	cfgS := new(config.Config)
	cfgS.DataDir = "/tmp/test_repl/slave"

	os.RemoveAll(cfgS.DataDir)

	slave, err = Open(cfgS)
	if err != nil {
		t.Fatal(err)
	}

	db, _ := master.Select(0)
	db.Set([]byte("a"), []byte("value"))
	db.Set([]byte("b"), []byte("value"))
	db.Set([]byte("c"), []byte("value"))

	if tx, err := db.Begin(); err == nil {
		tx.HSet([]byte("a"), []byte("1"), []byte("value"))
		tx.HSet([]byte("b"), []byte("2"), []byte("value"))
		tx.HSet([]byte("c"), []byte("3"), []byte("value"))
		tx.Commit()
	} else {
		db.HSet([]byte("a"), []byte("1"), []byte("value"))
		db.HSet([]byte("b"), []byte("2"), []byte("value"))
		db.HSet([]byte("c"), []byte("3"), []byte("value"))
	}

	m, _ := db.Multi()
	m.Set([]byte("a1"), []byte("value"))
	m.Set([]byte("b1"), []byte("value"))
	m.Set([]byte("c1"), []byte("value"))
	m.Close()

	for _, name := range master.binlog.LogNames() {
		p := path.Join(master.binlog.LogPath(), name)

		err = slave.ReplicateFromBinLog(p)
		if err != nil {
			t.Fatal(err)
		}
	}

	if err = checkLedisEqual(master, slave); err != nil {
		t.Fatal(err)
	}

	slave.FlushAll()

	db.Set([]byte("a1"), []byte("value"))
	db.Set([]byte("b1"), []byte("value"))
	db.Set([]byte("c1"), []byte("value"))

	db.HSet([]byte("a1"), []byte("1"), []byte("value"))
	db.HSet([]byte("b1"), []byte("2"), []byte("value"))
	db.HSet([]byte("c1"), []byte("3"), []byte("value"))

	if tx, err := db.Begin(); err == nil {
		tx.HSet([]byte("a1"), []byte("1"), []byte("value1"))
		tx.HSet([]byte("b1"), []byte("2"), []byte("value1"))
		tx.HSet([]byte("c1"), []byte("3"), []byte("value1"))
		tx.Rollback()
	}

	info := new(BinLogAnchor)
	info.LogFileIndex = 1
	info.LogPos = 0
	var buf bytes.Buffer
	var n int

	for {
		buf.Reset()
		n, err = master.ReadEventsTo(info, &buf)
		if err != nil {
			t.Fatal(err)
		} else if info.LogFileIndex == -1 {
			t.Fatal("invalid log file index -1")
		} else if info.LogFileIndex == 0 {
			t.Fatal("invalid log file index 0")
		} else {
			if err = slave.ReplicateFromReader(&buf); err != nil {
				t.Fatal(err)
			}
			if n == 0 {
				break
			}
		}
	}

	if err = checkLedisEqual(master, slave); err != nil {
		t.Fatal(err)
	}
}