// Open create new tsdb with root directory
func Open(filepath string) (DataSource, error) {
if !fs.Exists(filepath) {
err := os.MkdirAll(filepath, 0644)
if err != nil {
return nil, err
}
}
idgen, err := newSEQIDGen(filepath)
if err != nil {
return nil, err
}
persistence, err := newDB(filepath)
if err != nil {
return nil, err
}
return &_DataSource{
Log: gslogger.Get("tsdb"),
SEQIDGen: idgen,
Persistence: persistence,
cached: make(map[string]*_Cached),
cachedsize: gsconfig.Int("tsdb.cached.size", 1024),
}, nil
}
// BuildPipeline creaet new pipeline builder
func BuildPipeline(timerTick time.Duration) *PipelineBuilder {
return &PipelineBuilder{
timeout: gsconfig.Seconds("gorpc.timeout", 5),
cachedsize: gsconfig.Int("gorpc.sendQ", 1024),
timewheel: timer.NewWheel(timerTick),
}
}
// BuildAgent .
func BuildAgent(system System) *AgentBuilder {
return &AgentBuilder{
system: system,
cachedsize: gsconfig.Int("gsagent.rpc.sendQ", 1024),
timeout: gsconfig.Seconds("gsagent.rpc.timeout", 5),
reconnect: gsconfig.Seconds("gsagent.reconnect.delay", 5),
}
}
func newDB(dir string) (Persistence, error) {
db, err := leveldb.OpenFile(filepath.Join(dir, "keyspace.db"), nil)
if err != nil {
return nil, err
}
return &_DB{
Log: gslogger.Get("tsdb.backend"),
db: db,
storages: make(map[string]Storage),
valen: gsconfig.Int("tsdb.value.length", 1024),
}, nil
}