7852d291c9
to Mdns.*. MdnsResponderInterface now explicitly requires the reference counting of created names to allow the coexistence of multiple users of the same responder where one user would not remove identical names created by others. MDns.* is also renamed to Mdns.* per the style guide. TBR=aleloi@webrtc.org Bug: webrtc:9605 Change-Id: I047fc41f34de8d4e97c980409a7f373769c4c252 Reviewed-on: https://webrtc-review.googlesource.com/c/101921 Commit-Queue: Qingsi Wang <qingsi@webrtc.org> Reviewed-by: Qingsi Wang <qingsi@webrtc.org> Reviewed-by: Steve Anton <steveanton@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25458}
140 lines
4.1 KiB
C++
140 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_FAKENETWORK_H_
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#define RTC_BASE_FAKENETWORK_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/fake_mdns_responder.h"
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#include "rtc_base/messagehandler.h"
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#include "rtc_base/network.h"
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#include "rtc_base/socketaddress.h"
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#include "rtc_base/stringencode.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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virtual void StartUpdating() {
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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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virtual void StopUpdating() { --start_count_; }
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// MessageHandler interface.
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virtual void OnMessage(Message* msg) { DoUpdateNetworks(); }
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void CreateMdnsResponder() {
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if (mdns_responder_ == nullptr) {
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mdns_responder_ = absl::make_unique<webrtc::FakeMdnsResponder>();
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}
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}
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using NetworkManagerBase::set_enumeration_permission;
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using NetworkManagerBase::set_default_local_addresses;
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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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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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IPAddress default_local_ipv4_address_;
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IPAddress default_local_ipv6_address_;
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std::unique_ptr<webrtc::FakeMdnsResponder> mdns_responder_;
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};
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} // namespace rtc
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#endif // RTC_BASE_FAKENETWORK_H_
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