(1)新增心跳检测发送间隔和超时时间的配置

cmd/frpc/config.go

@@ -11,16 +11,16 @@ import (
 
 // common config
 var (
-	ServerAddr	string = "0.0.0.0"
-	ServerPort	int64  = 7000
-	LogFile		string = "./frpc.log"
-	LogLevel	string = "warn"
-	LogWay		string = "file"
+	ServerAddr        string = "0.0.0.0"
+	ServerPort        int64  = 7000
+	LogFile           string = "./frpc.log"
+	LogLevel          string = "warn"
+	LogWay            string = "file"
+	HeartBeatInterval int64  = 5
 )
 
 var ProxyClients map[string]*models.ProxyClient = make(map[string]*models.ProxyClient)
 
-
 func LoadConf(confFile string) (err error) {
 	var tmpStr string
 	var ok bool
@@ -56,6 +56,11 @@ func LoadConf(confFile string) (err error) {
 		LogWay = tmpStr
 	}
 
+	tmpStr, ok = conf.Get("common", "heartbeat_interval")
+	if ok {
+		HeartBeatInterval, _ = strconv.ParseInt(tmpStr, 10, 64)
+	}
+
 	// servers
 	for name, section := range conf {
 		if name != "common" {

cmd/frpc/control.go

@@ -11,10 +11,6 @@ import (
 	"frp/pkg/utils/log"
 )
 
-const (
-	heartbeatDuration = 2 //心跳检测时间间隔，单位秒
-)
-
 var isHeartBeatContinue bool = true
 
 func ControlProcess(cli *models.ProxyClient, wait *sync.WaitGroup) {
@@ -114,7 +110,7 @@ func loginToServer(cli *models.ProxyClient) (connection *conn.Conn) {
 func startHeartBeat(con *conn.Conn) {
 	isHeartBeatContinue = true
 	for {
-		time.Sleep(heartbeatDuration * time.Second)
+		time.Sleep(time.Duration(HeartBeatInterval) * time.Second)
 		if isHeartBeatContinue { // 把isHeartBeatContinue放在这里是为了防止SIGPIPE
 			err := con.Write("\r\n")
 			//log.Debug("send heart beat to server!")