74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
/*
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* Copyright 2018 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_MDNS_RESPONDER_H_
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#define RTC_BASE_FAKE_MDNS_RESPONDER_H_
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#include <map>
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#include <memory>
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#include <string>
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#include "rtc_base/ip_address.h"
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#include "rtc_base/location.h"
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#include "rtc_base/mdns_responder_interface.h"
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#include "rtc_base/task_utils/to_queued_task.h"
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#include "rtc_base/thread.h"
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namespace webrtc {
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// This class posts tasks on the given `thread` to invoke callbacks. It's the
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// callback's responsibility to be aware of potential destruction of state it
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// depends on, e.g., using WeakPtrFactory or PendingTaskSafetyFlag.
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class FakeMdnsResponder : public MdnsResponderInterface {
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public:
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explicit FakeMdnsResponder(rtc::Thread* thread) : thread_(thread) {}
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~FakeMdnsResponder() = default;
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void CreateNameForAddress(const rtc::IPAddress& addr,
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NameCreatedCallback callback) override {
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std::string name;
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if (addr_name_map_.find(addr) != addr_name_map_.end()) {
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name = addr_name_map_[addr];
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} else {
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name = std::to_string(next_available_id_++) + ".local";
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addr_name_map_[addr] = name;
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}
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thread_->PostTask(
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ToQueuedTask([callback, addr, name]() { callback(addr, name); }));
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}
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void RemoveNameForAddress(const rtc::IPAddress& addr,
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NameRemovedCallback callback) override {
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auto it = addr_name_map_.find(addr);
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if (it != addr_name_map_.end()) {
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addr_name_map_.erase(it);
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}
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bool result = it != addr_name_map_.end();
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thread_->PostTask(ToQueuedTask([callback, result]() { callback(result); }));
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}
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rtc::IPAddress GetMappedAddressForName(const std::string& name) const {
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for (const auto& addr_name_pair : addr_name_map_) {
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if (addr_name_pair.second == name) {
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return addr_name_pair.first;
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}
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}
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return rtc::IPAddress();
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}
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private:
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uint32_t next_available_id_ = 0;
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std::map<rtc::IPAddress, std::string> addr_name_map_;
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rtc::Thread* const thread_;
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};
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} // namespace webrtc
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#endif // RTC_BASE_FAKE_MDNS_RESPONDER_H_
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