 28e2075280
			
		
	
	28e2075280
	
	
	
		
			
			trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
		
			
				
	
	
		
			137 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			137 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * libjingle
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|  * Copyright 2009 Google Inc.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions are met:
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|  *
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|  *  1. Redistributions of source code must retain the above copyright notice,
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|  *     this list of conditions and the following disclaimer.
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|  *  2. Redistributions in binary form must reproduce the above copyright notice,
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|  *     this list of conditions and the following disclaimer in the documentation
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|  *     and/or other materials provided with the distribution.
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|  *  3. The name of the author may not be used to endorse or promote products
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|  *     derived from this software without specific prior written permission.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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|  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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|  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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|  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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|  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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|  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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|  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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|  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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|  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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|  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #ifndef TALK_BASE_FAKENETWORK_H_
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| #define TALK_BASE_FAKENETWORK_H_
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| 
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| #include <string>
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| #include <vector>
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| 
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| #include "talk/base/network.h"
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| #include "talk/base/messagehandler.h"
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| #include "talk/base/socketaddress.h"
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| #include "talk/base/stringencode.h"
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| #include "talk/base/thread.h"
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| 
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| namespace talk_base {
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| 
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| const int kFakeIPv4NetworkPrefixLength = 24;
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| const int kFakeIPv6NetworkPrefixLength = 64;
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| 
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| // Fake network manager that allows us to manually specify the IPs to use.
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| class FakeNetworkManager : public NetworkManagerBase,
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|                            public MessageHandler {
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|  public:
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|   FakeNetworkManager()
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|       : thread_(Thread::Current()),
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|         next_index_(0),
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|         started_(false),
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|         sent_first_update_(false) {
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|   }
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| 
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|   typedef std::vector<SocketAddress> IfaceList;
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| 
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|   void AddInterface(const SocketAddress& iface) {
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|     // ensure a unique name for the interface
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|     SocketAddress address("test" + talk_base::ToString(next_index_++), 0);
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|     address.SetResolvedIP(iface.ipaddr());
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|     ifaces_.push_back(address);
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|     DoUpdateNetworks();
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|   }
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| 
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|   void RemoveInterface(const SocketAddress& iface) {
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|     for (IfaceList::iterator it = ifaces_.begin();
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|          it != ifaces_.end(); ++it) {
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|       if (it->EqualIPs(iface)) {
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|         ifaces_.erase(it);
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|         break;
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|       }
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|     }
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|     DoUpdateNetworks();
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|   }
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| 
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|   virtual void StartUpdating() {
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|     if (started_) {
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|       if (sent_first_update_)
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|         SignalNetworksChanged();
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|       return;
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|     }
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| 
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|     started_ = true;
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|     sent_first_update_ = false;
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|     thread_->Post(this);
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|   }
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| 
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|   virtual void StopUpdating() {
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|     started_ = false;
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|   }
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| 
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|   // MessageHandler interface.
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|   virtual void OnMessage(Message* msg) {
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|     DoUpdateNetworks();
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|   }
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| 
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|  private:
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|   void DoUpdateNetworks() {
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|     if (!started_)
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|       return;
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|     std::vector<Network*> networks;
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|     for (IfaceList::iterator it = ifaces_.begin();
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|          it != ifaces_.end(); ++it) {
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|       int prefix_length = 0;
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|       if (it->ipaddr().family() == AF_INET) {
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|         prefix_length = kFakeIPv4NetworkPrefixLength;
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|       } else if (it->ipaddr().family() == AF_INET6) {
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|         prefix_length = kFakeIPv6NetworkPrefixLength;
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|       }
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|       IPAddress prefix = TruncateIP(it->ipaddr(), prefix_length);
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|       scoped_ptr<Network> net(new Network(it->hostname(),
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|                                           it->hostname(),
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|                                           prefix,
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|                                           prefix_length));
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|       net->AddIP(it->ipaddr());
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|       networks.push_back(net.release());
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|     }
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|     bool changed;
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|     MergeNetworkList(networks, &changed);
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|     if (changed || !sent_first_update_) {
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|       SignalNetworksChanged();
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|       sent_first_update_ = true;
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|     }
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|   }
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| 
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|   Thread* thread_;
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|   IfaceList ifaces_;
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|   int next_index_;
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|   bool started_;
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|   bool sent_first_update_;
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| };
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| 
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| }  // namespace talk_base
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| 
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| #endif  // TALK_BASE_FAKENETWORK_H_
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