refactor: [LB/RB/AF] lorenzodonini#13 Add StartWithRetries to handle …

…retries upon first connection at the ChargingStation interface

ocpp2.0.1/charging_station.go

@@ -603,6 +603,14 @@ func (cs *chargingStation) Start(csmsUrl string) error {
 	return err
 }
 
+func (cs *chargingStation) StartWithRetries(csmsUrl string) {
+	// Start client
+	cs.stopC = make(chan struct{}, 1)
+	cs.client.StartWithRetries(csmsUrl)
+	// Async response handler receives incoming responses/errors and triggers callbacks
+	go cs.asyncCallbackHandler()
+}
+
 func (cs *chargingStation) Stop() {
 	cs.client.Stop()
 }

ocpp2.0.1/v2.go

@@ -165,6 +165,13 @@ type ChargingStation interface {
 	//
 	// No auto-reconnect logic is implemented as of now, but is planned for the future.
 	Start(csmsUrl string) error
+
+	// Connects to the CSMS and starts the charging station routine, it retries if first attempt fails.
+	// The function doesn't block and returns right away, after having attempted to open a connection to the CSMS.
+	// If the connection couldn't be opened, it retries.
+	//
+	// Optional client options must be set before calling this function. Refer to NewChargingStation.
+	StartWithRetries(csmsUrl string)
 	// Stops the charging station routine, disconnecting it from the CSMS.
 	// Any pending requests are discarded.
 	Stop()