refs #478, CUrl class and moved network utils

* moved network utils into network folder
* CUrl / CUrlList as DBus/JSON compliant class for locations
* Added support for selsigned certificates in network utils

src/blackmisc/network/networkutils.h

@@ -0,0 +1,86 @@
+/* Copyright (C) 2013
+ * swift Project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKMISC_NETWORKUTILS_H
+#define BLACKMISC_NETWORKUTILS_H
+
+#include "blackmisc/blackmiscexport.h"
+#include "blackmisc/network/server.h"
+#include "blackmisc/network/url.h"
+#include <QUrl>
+#include <QStringList>
+#include <QNetworkRequest>
+
+namespace BlackMisc
+{
+    namespace Network
+    {
+        //! Utilities, e.g. checking whether a network connection can be established
+        class BLACKMISC_EXPORT CNetworkUtils
+        {
+        public:
+            //! Is a connected interface available?
+            //! \param withDebugOutput enables some debugging output
+            //! \return
+            static bool hasConnectedInterface(bool withDebugOutput = false);
+
+            //! Can connect?
+            //! \param hostAddress   130.4.20.3, or myserver.com
+            //! \param port          80, 1234
+            //! \param timeoutMs
+            //! \param message       human readable message
+            //! \return
+            static bool canConnect(const QString &hostAddress, int port, QString &message, int timeoutMs = 1500);
+
+            //! Can connect to server?
+            //! \param server
+            //! \param message       human readable message
+            //! \param timeoutMs
+            //! \return
+            static bool canConnect(const BlackMisc::Network::CServer &server, QString &message, int timeoutMs = 1500);
+
+            //! Can connect to URL?
+            static bool canConnect(const QString &url, QString &message, int timeoutMs = 1500);
+
+            //! Can connect to URL?
+            static bool canConnect(const QUrl &url, QString &message, int timeoutMs = 1500);
+
+            //! Can connect to URL?
+            static bool canConnect(const BlackMisc::Network::CUrl &location, QString &message, int timeoutMs = 1500);
+
+            //! Find out my IPv4 address, empty if not possible
+            static QStringList getKnownIpAddresses();
+
+            //! Valid IPv4 address
+            static bool isValidIPv4Address(const QString &candidate);
+
+            //! Valid IPv6 address
+            static bool isValidIPv6Address(const QString &candidate);
+
+            //! Valid port
+            static bool isValidPort(const QString &port);
+
+            //! Build / concatenate an URL
+            static QString buildUrl(const QString &protocol, const QString &server, const QString &baseUrl, const QString &serviceUrl);
+
+            //! Ignore SSL verification such as self signed certificates
+            static void ignoreSslVerification(QNetworkRequest &request);
+
+        private:
+            //! Deleted constructor
+            CNetworkUtils() {}
+
+        };
+    } // namespace
+} // namespace
+
+#endif // guard
+