137 lines
4.1 KiB
C++
137 lines
4.1 KiB
C++
/*
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* Copyright 2009 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_FAKE_NETWORK_H_
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#define RTC_BASE_FAKE_NETWORK_H_
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#include "absl/memory/memory.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/mdns_responder_interface.h"
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#include "rtc_base/message_handler.h"
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#include "rtc_base/network.h"
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#include "rtc_base/socket_address.h"
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#include "rtc_base/string_encode.h"
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#include "rtc_base/thread.h"
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namespace rtc {
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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, public MessageHandler {
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public:
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FakeNetworkManager() {}
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typedef std::vector<std::pair<SocketAddress, AdapterType>> IfaceList;
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void AddInterface(const SocketAddress& iface) {
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// Ensure a unique name for the interface if its name is not given.
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AddInterface(iface, "test" + rtc::ToString(next_index_++));
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}
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void AddInterface(const SocketAddress& iface, const std::string& if_name) {
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AddInterface(iface, if_name, ADAPTER_TYPE_UNKNOWN);
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}
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void AddInterface(const SocketAddress& iface,
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const std::string& if_name,
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AdapterType type) {
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SocketAddress address(if_name, 0);
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address.SetResolvedIP(iface.ipaddr());
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ifaces_.push_back(std::make_pair(address, type));
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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(); it != ifaces_.end(); ++it) {
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if (it->first.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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void StartUpdating() override {
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++start_count_;
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if (start_count_ == 1) {
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sent_first_update_ = false;
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rtc::Thread::Current()->Post(RTC_FROM_HERE, this);
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} else {
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if (sent_first_update_) {
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SignalNetworksChanged();
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}
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}
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}
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void StopUpdating() override { --start_count_; }
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// MessageHandler interface.
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void OnMessage(Message* msg) override { DoUpdateNetworks(); }
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using NetworkManagerBase::set_default_local_addresses;
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using NetworkManagerBase::set_enumeration_permission;
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// rtc::NetworkManager override.
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webrtc::MdnsResponderInterface* GetMdnsResponder() const override {
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return mdns_responder_.get();
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}
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void set_mdns_responder(
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std::unique_ptr<webrtc::MdnsResponderInterface> mdns_responder) {
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mdns_responder_ = std::move(mdns_responder);
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}
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private:
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void DoUpdateNetworks() {
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if (start_count_ == 0)
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return;
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std::vector<Network*> networks;
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for (IfaceList::iterator it = ifaces_.begin(); it != ifaces_.end(); ++it) {
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int prefix_length = 0;
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if (it->first.ipaddr().family() == AF_INET) {
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prefix_length = kFakeIPv4NetworkPrefixLength;
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} else if (it->first.ipaddr().family() == AF_INET6) {
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prefix_length = kFakeIPv6NetworkPrefixLength;
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}
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IPAddress prefix = TruncateIP(it->first.ipaddr(), prefix_length);
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std::unique_ptr<Network> net(new Network(it->first.hostname(),
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it->first.hostname(), prefix,
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prefix_length, it->second));
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net->set_default_local_address_provider(this);
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net->AddIP(it->first.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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IfaceList ifaces_;
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int next_index_ = 0;
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int start_count_ = 0;
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bool sent_first_update_ = false;
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std::unique_ptr<webrtc::MdnsResponderInterface> mdns_responder_;
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};
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} // namespace rtc
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#endif // RTC_BASE_FAKE_NETWORK_H_
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