- initial import

src/libs/ice/ICENetworkHelper.h

@@ -0,0 +1,79 @@
+/* Copyright(C) 2007-2014 VoIP objects (voipobjects.com)
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef __ICE_NETWORK_HELPER_H
+#define __ICE_NETWORK_HELPER_H
+
+#include "ICEPlatform.h"
+#include "ICESync.h"
+#include "ICEAddress.h"
+#include <string>
+#include <vector>
+
+#ifdef _WIN32
+# include <winsock2.h>
+# include <Iphlpapi.h>
+#else
+# include <ifaddrs.h>
+#endif
+
+namespace ice 
+{
+
+  class NetworkHelper
+  {
+  public:
+    NetworkHelper();
+    ~NetworkHelper();
+    
+    enum
+    {
+      NetworkType_None,
+      NetworkType_WiFi,
+      NetworkType_3G
+    };
+    
+    Mutex& guard();
+    
+    /* Returns list of IP4 interfaces installed in system. */
+    std::vector<NetworkAddress>& interfaceList();
+    
+    bool hasIPv4() const;
+    bool hasIPv6() const;
+    
+    /* Finds source interface for specified remote address. */
+    NetworkAddress  sourceInterface(const NetworkAddress& remoteIP);
+
+    void reload(int networkType);
+
+    static NetworkHelper&  instance();
+    static void            destroyInstance();
+    
+    static void NetworkToHost(const in6_addr& addr6, uint32_t* output);
+    static void HostToNetwork(const uint32_t* input, in6_addr& output);
+    
+  protected:
+#ifdef _WIN32
+    struct IP2Index
+    {
+      NetworkAddress mIP;
+      DWORD mIndex;
+    };
+    std::vector<IP2Index>     mIP2IndexList;
+    std::vector<NetworkAddress>   mInterfaceList;
+
+    void processAdaptersList(IP_ADAPTER_ADDRESSES* addresses);
+    NetworkAddress ipInterfaceByIndex(int index);
+#else
+    std::vector<NetworkAddress>   mIPList;
+#endif
+    static NetworkHelper*  mInstance;
+    static Mutex           mGuard;
+    Mutex mInstanceGuard;
+  };
+
+};
+
+#endif