func getTable(password string) (tbl *ss.EncryptTable) {
if table.cache != nil {
var ok bool
tbl, ok = table.cache[password]
if ok {
atomic.AddInt32(&table.hitCnt, 1)
debug.Println("table cache hit for password:", password)
return
}
tbl = ss.GetTable(password)
table.cache[password] = tbl
} else {
tbl = ss.GetTable(password)
}
return
}
func initServers(config *ss.Config) {
if len(config.ServerPassword) == 0 {
// only one encryption table
enctbl := ss.GetTable(config.Password)
srvPort := strconv.Itoa(config.ServerPort)
srvArr := config.GetServerArray()
n := len(srvArr)
servers.srvenc = make([]*ServerEnctbl, n, n)
for i, s := range srvArr {
if ss.HasPort(s) {
log.Println("ignore server_port option for server", s)
servers.srvenc[i] = &ServerEnctbl{s, enctbl}
} else {
servers.srvenc[i] = &ServerEnctbl{s + ":" + srvPort, enctbl}
}
}
} else {
n := len(config.ServerPassword)
servers.srvenc = make([]*ServerEnctbl, n, n)
tblCache := make(map[string]*ss.EncryptTable)
i := 0
for s, passwd := range config.ServerPassword {
if !ss.HasPort(s) {
log.Fatal("no port for server %s, please specify port in the form of %s:port", s, s)
}
tbl, ok := tblCache[passwd]
if !ok {
tbl = ss.GetTable(passwd)
tblCache[passwd] = tbl
}
servers.srvenc[i] = &ServerEnctbl{s, tbl}
i++
}
}
for _, se := range servers.srvenc {
log.Println("available remote server", se.server)
}
return
}
func initShadowSocks() {
if config.ShadowSocks != "" && config.ShadowPasswd != "" {
hasShadowSocksServer = true
debug.Println("shadowsocks server:", config.ShadowSocks)
encTbl = ss.GetTable(config.ShadowPasswd)
return
}
if (config.ShadowSocks != "" && config.ShadowPasswd == "") ||
(config.ShadowSocks == "" && config.ShadowPasswd != "") {
errl.Println("Missing option: shadowSocks and shadowPasswd should be both given")
}
}