change project structure

add across nodes ip limit
add user ip recorder
del config file watch

conf/connetion.go

@@ -0,0 +1,19 @@
+package conf
+
+type ConnetionConfig struct {
+	Handshake    uint32 `mapstructure:"handshake"`
+	ConnIdle     uint32 `mapstructure:"connIdle"`
+	UplinkOnly   uint32 `mapstructure:"uplinkOnly"`
+	DownlinkOnly uint32 `mapstructure:"downlinkOnly"`
+	BufferSize   int32  `mapstructure:"bufferSize"`
+}
+
+func NewConnetionConfig() *ConnetionConfig {
+	return &ConnetionConfig{
+		Handshake:    4,
+		ConnIdle:     30,
+		UplinkOnly:   2,
+		DownlinkOnly: 4,
+		BufferSize:   64,
+	}
+}