picloud fix segfault on close

libs/cloud/picloudclient.cpp

@@ -32,13 +32,20 @@ PICloudClient::PICloudClient(const PIString & path, PIIODevice::DeviceMode mode)
 		opened_ = false;
 		is_connected = false;
 		cond_connect.notifyOne();
+		cond_buff.notifyOne();
 		piMSleep(100);
 	});
 }
 
 
 PICloudClient::~PICloudClient() {
-	stop();
+	eth.close();
+	if (is_connected) {
+		is_connected = false;
+		cond_buff.notifyOne();
+		cond_connect.notifyOne();
+	}
+	//stop();
 	close();
 }
 
@@ -55,8 +62,9 @@ void PICloudClient::setKeepConnection(bool on) {
 
 
 bool PICloudClient::openDevice() {
-	piCout << "PICloudClient open device" << path();
-	bool op = eth.connect(path(), false);
+	PIString p = path();
+	piCout << "PICloudClient open device" << p;
+	bool op = eth.connect(p, false);
 	if (op) {
 		mutex_buff.lock();
 		eth.startThreadedRead();
@@ -77,15 +85,20 @@ bool PICloudClient::openDevice() {
 
 
 bool PICloudClient::closeDevice() {
-	is_connected = false;
+	if (is_connected) {
+		is_connected = false;
+		cond_buff.notifyOne();
+		cond_connect.notifyOne();
+	}
 	eth.stop();
-	eth.close();
+	if (eth.isOpened()) eth.close();
 	return true;
 }
 
 
 int PICloudClient::readDevice(void * read_to, int max_size) {
 	piCoutObj << "readDevice";
+	if (!is_connected) return -1;
 	mutex_buff.lock();
 	cond_buff.wait(mutex_buff, [this](){return !buff.isEmpty();});
 	int sz = piMini(max_size, buff.size());
@@ -96,8 +109,9 @@ int PICloudClient::readDevice(void * read_to, int max_size) {
 }
 
 
-int PICloudClient::writeDevice(const void * data, int max_size) {
-	return eth.write(data, max_size);
+int PICloudClient::writeDevice(const void * data, int size) {
+	piCoutObj << "writeDevice";
+	return tcp.sendData(PIByteArray(data, size));
 }
 
 
@@ -118,8 +132,10 @@ void PICloudClient::_readed(PIByteArray & ba) {
 			eth.close();
 		break;
 		case PICloud::TCP::Data:
-			buff.append(ba);
-			cond_buff.notifyOne();
+			if (is_connected) {
+				buff.append(ba);
+				cond_buff.notifyOne();
+			}
 		break;
 		default:
 		break;