Chore: improve code architecture

constant/adapters.go

@@ -30,6 +30,7 @@ type Proxy interface {
 	Name() string
 	Type() AdapterType
 	Generator(metadata *Metadata) (ProxyAdapter, error)
+	MarshalJSON() ([]byte, error)
 }
 
 // AdapterType is enum of adapter type

constant/config.go

@@ -1,10 +0,0 @@
-package constant
-
-type General struct {
-	Mode      *string `json:"mode,omitempty"`
-	AllowLan  *bool   `json:"allow-lan,omitempty"`
-	Port      *int    `json:"port,omitempty"`
-	SocksPort *int    `json:"socks-port,omitempty"`
-	RedirPort *int    `json:"redir-port,omitempty"`
-	LogLevel  *string `json:"log-level,omitempty"`
-}

constant/log.go

@@ -1,35 +0,0 @@
-package constant
-
-var (
-	// LogLevelMapping is a mapping for LogLevel enum
-	LogLevelMapping = map[string]LogLevel{
-		"error":   ERROR,
-		"warning": WARNING,
-		"info":    INFO,
-		"debug":   DEBUG,
-	}
-)
-
-const (
-	ERROR LogLevel = iota
-	WARNING
-	INFO
-	DEBUG
-)
-
-type LogLevel int
-
-func (l LogLevel) String() string {
-	switch l {
-	case INFO:
-		return "info"
-	case WARNING:
-		return "warning"
-	case ERROR:
-		return "error"
-	case DEBUG:
-		return "debug"
-	default:
-		return "unknow"
-	}
-}

constant/proxy.go

@@ -1,7 +0,0 @@
-package constant
-
-// ProxySignal is used to handle graceful shutdown of proxy
-type ProxySignal struct {
-	Done   chan<- struct{}
-	Closed <-chan struct{}
-}