b9a088b920
TBR=mallinath Review URL: https://webrtc-codereview.appspot.com/8669005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@5548 4adac7df-926f-26a2-2b94-8c16560cd09d
139 lines
4.3 KiB
C++
139 lines
4.3 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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#ifndef TALK_BASE_FAKENETWORK_H_
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#define TALK_BASE_FAKENETWORK_H_
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#include <string>
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#include <vector>
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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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namespace talk_base {
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const int kFakeIPv4NetworkPrefixLength = 24;
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const int kFakeIPv6NetworkPrefixLength = 64;
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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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typedef std::vector<SocketAddress> IfaceList;
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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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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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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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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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virtual void StopUpdating() {
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started_ = false;
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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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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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std::string key = MakeNetworkKey(it->hostname(), prefix, 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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key));
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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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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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} // namespace talk_base
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#endif // TALK_BASE_FAKENETWORK_H_
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