xref: /aosp_15_r20/external/webrtc/test/scenario/network_node.h (revision d9f758449e529ab9291ac668be2861e7a55c2422)
1 /*
2  *  Copyright 2018 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 #ifndef TEST_SCENARIO_NETWORK_NODE_H_
11 #define TEST_SCENARIO_NETWORK_NODE_H_
12 
13 #include <deque>
14 #include <map>
15 #include <memory>
16 #include <utility>
17 #include <vector>
18 
19 #include "api/call/transport.h"
20 #include "api/units/timestamp.h"
21 #include "call/call.h"
22 #include "call/simulated_network.h"
23 #include "rtc_base/copy_on_write_buffer.h"
24 #include "rtc_base/synchronization/mutex.h"
25 #include "test/network/network_emulation.h"
26 #include "test/scenario/column_printer.h"
27 #include "test/scenario/scenario_config.h"
28 
29 namespace webrtc {
30 namespace test {
31 
32 class SimulationNode {
33  public:
34   SimulationNode(NetworkSimulationConfig config,
35                  SimulatedNetwork* behavior,
36                  EmulatedNetworkNode* network_node);
37   static std::unique_ptr<SimulatedNetwork> CreateBehavior(
38       NetworkSimulationConfig config);
39 
40   void UpdateConfig(std::function<void(NetworkSimulationConfig*)> modifier);
41   void PauseTransmissionUntil(Timestamp until);
42   ColumnPrinter ConfigPrinter() const;
node()43   EmulatedNetworkNode* node() { return network_node_; }
44 
45  private:
46   NetworkSimulationConfig config_;
47   SimulatedNetwork* const simulation_;
48   EmulatedNetworkNode* const network_node_;
49 };
50 
51 class NetworkNodeTransport : public Transport {
52  public:
53   NetworkNodeTransport(Clock* sender_clock, Call* sender_call);
54   ~NetworkNodeTransport() override;
55 
56   bool SendRtp(const uint8_t* packet,
57                size_t length,
58                const PacketOptions& options) override;
59   bool SendRtcp(const uint8_t* packet, size_t length) override;
60 
61   void Connect(EmulatedEndpoint* endpoint,
62                const rtc::SocketAddress& receiver_address,
63                DataSize packet_overhead);
64   void Disconnect();
65 
packet_overhead()66   DataSize packet_overhead() {
67     MutexLock lock(&mutex_);
68     return packet_overhead_;
69   }
70 
71  private:
72   Mutex mutex_;
73   Clock* const sender_clock_;
74   Call* const sender_call_;
75   EmulatedEndpoint* endpoint_ RTC_GUARDED_BY(mutex_) = nullptr;
76   rtc::SocketAddress local_address_ RTC_GUARDED_BY(mutex_);
77   rtc::SocketAddress remote_address_ RTC_GUARDED_BY(mutex_);
78   DataSize packet_overhead_ RTC_GUARDED_BY(mutex_) = DataSize::Zero();
79   rtc::NetworkRoute current_network_route_ RTC_GUARDED_BY(mutex_);
80 };
81 }  // namespace test
82 }  // namespace webrtc
83 #endif  // TEST_SCENARIO_NETWORK_NODE_H_
84