henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libjingle |
| 3 | * Copyright 2009 Google Inc. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| 19 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 20 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #ifndef TALK_BASE_FAKENETWORK_H_ |
| 29 | #define TALK_BASE_FAKENETWORK_H_ |
| 30 | |
| 31 | #include <string> |
| 32 | #include <vector> |
| 33 | |
| 34 | #include "talk/base/network.h" |
| 35 | #include "talk/base/messagehandler.h" |
| 36 | #include "talk/base/socketaddress.h" |
| 37 | #include "talk/base/stringencode.h" |
| 38 | #include "talk/base/thread.h" |
| 39 | |
| 40 | namespace talk_base { |
| 41 | |
| 42 | const int kFakeIPv4NetworkPrefixLength = 24; |
| 43 | const int kFakeIPv6NetworkPrefixLength = 64; |
| 44 | |
| 45 | // Fake network manager that allows us to manually specify the IPs to use. |
| 46 | class FakeNetworkManager : public NetworkManagerBase, |
| 47 | public MessageHandler { |
| 48 | public: |
| 49 | FakeNetworkManager() |
| 50 | : thread_(Thread::Current()), |
| 51 | next_index_(0), |
| 52 | started_(false), |
| 53 | sent_first_update_(false) { |
| 54 | } |
| 55 | |
| 56 | typedef std::vector<SocketAddress> IfaceList; |
| 57 | |
| 58 | void AddInterface(const SocketAddress& iface) { |
| 59 | // ensure a unique name for the interface |
| 60 | SocketAddress address("test" + talk_base::ToString(next_index_++), 0); |
| 61 | address.SetResolvedIP(iface.ipaddr()); |
| 62 | ifaces_.push_back(address); |
| 63 | DoUpdateNetworks(); |
| 64 | } |
| 65 | |
| 66 | void RemoveInterface(const SocketAddress& iface) { |
| 67 | for (IfaceList::iterator it = ifaces_.begin(); |
| 68 | it != ifaces_.end(); ++it) { |
| 69 | if (it->EqualIPs(iface)) { |
| 70 | ifaces_.erase(it); |
| 71 | break; |
| 72 | } |
| 73 | } |
| 74 | DoUpdateNetworks(); |
| 75 | } |
| 76 | |
| 77 | virtual void StartUpdating() { |
| 78 | if (started_) { |
| 79 | if (sent_first_update_) |
| 80 | SignalNetworksChanged(); |
| 81 | return; |
| 82 | } |
| 83 | |
| 84 | started_ = true; |
| 85 | sent_first_update_ = false; |
| 86 | thread_->Post(this); |
| 87 | } |
| 88 | |
| 89 | virtual void StopUpdating() { |
| 90 | started_ = false; |
| 91 | } |
| 92 | |
| 93 | // MessageHandler interface. |
| 94 | virtual void OnMessage(Message* msg) { |
| 95 | DoUpdateNetworks(); |
| 96 | } |
| 97 | |
| 98 | private: |
| 99 | void DoUpdateNetworks() { |
| 100 | if (!started_) |
| 101 | return; |
| 102 | std::vector<Network*> networks; |
| 103 | for (IfaceList::iterator it = ifaces_.begin(); |
| 104 | it != ifaces_.end(); ++it) { |
| 105 | int prefix_length = 0; |
| 106 | if (it->ipaddr().family() == AF_INET) { |
| 107 | prefix_length = kFakeIPv4NetworkPrefixLength; |
| 108 | } else if (it->ipaddr().family() == AF_INET6) { |
| 109 | prefix_length = kFakeIPv6NetworkPrefixLength; |
| 110 | } |
| 111 | IPAddress prefix = TruncateIP(it->ipaddr(), prefix_length); |
| 112 | scoped_ptr<Network> net(new Network(it->hostname(), |
| 113 | it->hostname(), |
| 114 | prefix, |
buildbot@webrtc.org | 3c3c4e6 | 2014-05-02 18:51:11 +0000 | [diff] [blame] | 115 | prefix_length)); |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 116 | net->AddIP(it->ipaddr()); |
| 117 | networks.push_back(net.release()); |
| 118 | } |
| 119 | bool changed; |
| 120 | MergeNetworkList(networks, &changed); |
| 121 | if (changed || !sent_first_update_) { |
| 122 | SignalNetworksChanged(); |
| 123 | sent_first_update_ = true; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | Thread* thread_; |
| 128 | IfaceList ifaces_; |
| 129 | int next_index_; |
| 130 | bool started_; |
| 131 | bool sent_first_update_; |
| 132 | }; |
| 133 | |
| 134 | } // namespace talk_base |
| 135 | |
| 136 | #endif // TALK_BASE_FAKENETWORK_H_ |