func main() {
usage := `
Usage:
qdb-server [options]
Options:
-L logfile log file path, if empty, use stdout
-n N, --ncpu=N set runtime.GOMAXPROCS to N
-c CONF, --config=CONF specify the config file
--repair repair database
--dbtype=TYPE dtabase type, like rocksdb, leveldb, goleveldb
--dbpath=PATH database store path
--addr=ADDR service listening address
--auth=AUTH service auth
--pidfile=FILE service pid file
--conn_timeout=N connection timeout after N seconds
--dump_path=PATH path saving snapshot rdb file
--sync_file_path=PATH path saving replication syncing data
--sync_file_size=SIZE maximum file(bytes) size for replication syncing
--sync_buff_size=SIZE maximum memory buffer size(bytes) for replication syncing
--repl_backlog_file_path=PATH path saving replication backlog data, if empty, use memory instead
--repl_backlog_size=SIZE maximum backlog size(bytes)
--repl_ping_slave_period=N Master pings slave in an interval(seconds) when replication
--master_auth=MASTERAUTH Master auth for replication
`
d, err := docopt.Parse(usage, nil, true, "", false)
if err != nil {
log.Fatalf("parse arguments failed - %s", err)
}
if s, ok := d["-L"].(string); ok && len(s) > 0 {
log.SetHighlighting(false)
err = log.SetOutputByName(s)
if err != nil {
log.Fatalf("set log name failed - %s", err)
}
}
if s, ok := d["--ncpu"].(string); ok && len(s) != 0 {
if n, err := strconv.ParseInt(s, 10, 64); err != nil {
log.Fatalf("parse --ncpu failed - %s", err)
} else if n <= 0 || n > 64 {
log.Fatalf("parse --ncpu = %d, only accept [1,64]", n)
} else {
runtime.GOMAXPROCS(int(n))
}
}
args.config, _ = d["--config"].(string)
args.repair, _ = d["--repair"].(bool)
conf := &Config{
DBType: "goleveldb",
DBPath: "./var/testdb-goleveldb",
LevelDB: leveldb.NewDefaultConfig(),
RocksDB: rocksdb.NewDefaultConfig(),
GoLevelDB: goleveldb.NewDefaultConfig(),
Service: service.NewDefaultConfig(),
}
if args.config != "" {
if err := conf.LoadFromFile(args.config); err != nil {
log.Fatalf("load config failed - %s", err)
}
}
setStringFromOpt(&conf.DBType, d, "--dbtype")
setStringFromOpt(&conf.DBPath, d, "--dbpath")
setStringFromOpt(&conf.Service.Listen, d, "--addr")
setStringFromOpt(&conf.Service.PidFile, d, "--pidfile")
setStringFromOpt(&conf.Service.Auth, d, "--auth")
setIntFromOpt(&conf.Service.ConnTimeout, d, "--conn_timeout")
setStringFromOpt(&conf.Service.DumpPath, d, "--dump_path")
setStringFromOpt(&conf.Service.SyncFilePath, d, "--sync_file_path")
setIntFromOpt(&conf.Service.SyncFileSize, d, "--sync_file_size")
setIntFromOpt(&conf.Service.SyncBuffSize, d, "--sync_buff_size")
setStringFromOpt(&conf.Service.ReplBacklogFilePath, d, "--repl_backlog_file_path")
setIntFromOpt(&conf.Service.ReplBacklogSize, d, "--repl_backlog_size")
setIntFromOpt(&conf.Service.ReplPingSlavePeriod, d, "--repl_ping_slave_period")
setStringFromOpt(&conf.Service.MasterAuth, d, "--master_auth")
log.Infof("load config\n%s\n\n", conf)
var db engine.Database
var dbConf interface{}
switch t := strings.ToLower(conf.DBType); t {
default:
log.Fatalf("unknown db type = '%s'", conf.DBType)
case "leveldb":
dbConf = conf.LevelDB
case "rocksdb":
dbConf = conf.RocksDB
case "goleveldb":
dbConf = conf.GoLevelDB
}
db, err = engine.Open(conf.DBType, conf.DBPath, dbConf, args.repair)
if err != nil {
log.Fatalf("open database failed - %s", err)
}
dbStore := store.New(db)
if args.repair {
return
}
server, err := service.NewServer(conf.Service, dbStore)
if err != nil {
log.Fatalf("create server failed - %s", err)
}
// create pid file
createPidFile(conf.Service.PidFile)
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGTERM, os.Interrupt, os.Kill)
go func(s *service.Server) {
for _ = range c {
log.Infof("interrupt and shutdown")
// close server
s.Close()
// shutdown gracefully, remove pidfile
os.Remove(conf.Service.PidFile)
os.Exit(0)
}
}(server)
if err := server.Serve(); err != nil {
log.Errorf("service failed - %s", err)
}
server.Close()
}
func (s *testEngineSuite) TestLevelDB(c *C) {
s.test(c, "leveldb", leveldb.NewDefaultConfig())
}