reworked and optimized device handling and check network device address, log failed device open, avoid blocking threads with sleep(), optimized shutdown

src/lib/ebus/test/test_device.cpp

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) John Baier 2015 <ebusd@johnm.de>
+ *
+ * This file is part of ebusd.
+ *
+ * ebusd is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * ebusd is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with ebusd. If not, see http://www.gnu.org/licenses/.
+ */
+
+#include "device.h"
+#include <iostream>
+#include <iomanip>
+
+using namespace std;
+
+int main ()
+{
+	Device* device = Device::create("/dev/ttyUSB20", true, NULL);
+	if (device == NULL) {
+		cout << "unable to create device" << endl;
+		return -1;
+	}
+	result_t result = device->open();
+	if (result != RESULT_OK) {
+		cout << "open failed: " << getResultCode(result) << endl;
+	} else {
+		if (device->isValid() == false)
+			cout << "device not available." << endl;
+
+		int count = 0;
+
+		while (1) {
+			unsigned char byte = 0;
+			result = device->recv(0, byte);
+
+			if (result == RESULT_OK)
+				cout << hex << setw(2) << setfill('0')
+				<< static_cast<unsigned>(byte) << endl;
+
+			count++;
+		}
+
+		device->close();
+
+		if(device->isValid() == false)
+			cout << "close successful." << endl;
+	}
+
+	delete device;
+
+	return 0;
+}