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| 1 /* | 1 /* |
| 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 | 10 |
| 11 #ifndef WEBRTC_TEST_FAKE_NETWORK_PIPE_H_ | 11 #ifndef WEBRTC_TEST_FAKE_NETWORK_PIPE_H_ |
| 12 #define WEBRTC_TEST_FAKE_NETWORK_PIPE_H_ | 12 #define WEBRTC_TEST_FAKE_NETWORK_PIPE_H_ |
| 13 | 13 |
| 14 #include <memory> | 14 #include <memory> |
| 15 #include <set> | 15 #include <set> |
| 16 #include <string.h> | 16 #include <string.h> |
| 17 #include <queue> | 17 #include <queue> |
| 18 | 18 |
| 19 #include "webrtc/base/constructormagic.h" | 19 #include "webrtc/base/constructormagic.h" |
| 20 #include "webrtc/base/criticalsection.h" | 20 #include "webrtc/base/criticalsection.h" |
| 21 #include "webrtc/base/random.h" | 21 #include "webrtc/base/random.h" |
| 22 #include "webrtc/typedefs.h" | 22 #include "webrtc/typedefs.h" |
| 23 | 23 |
| 24 namespace webrtc { | 24 namespace webrtc { |
| 25 | 25 |
| 26 class Clock; | 26 class Clock; |
| 27 class CriticalSectionWrapper; | 27 class CriticalSectionWrapper; |
| 28 class PacketReceiver; | 28 class PacketReceiver; |
| 29 enum class MediaType; |
| 29 | 30 |
| 30 class NetworkPacket { | 31 class NetworkPacket { |
| 31 public: | 32 public: |
| 32 NetworkPacket(const uint8_t* data, | 33 NetworkPacket(const uint8_t* data, |
| 33 size_t length, | 34 size_t length, |
| 34 int64_t send_time, | 35 int64_t send_time, |
| 35 int64_t arrival_time) | 36 int64_t arrival_time) |
| 36 : data_(new uint8_t[length]), | 37 : data_(new uint8_t[length]), |
| 37 data_length_(length), | 38 data_length_(length), |
| 38 send_time_(send_time), | 39 send_time_(send_time), |
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| 76 // Link capacity in kbps. | 77 // Link capacity in kbps. |
| 77 int link_capacity_kbps = 0; | 78 int link_capacity_kbps = 0; |
| 78 // Random packet loss. | 79 // Random packet loss. |
| 79 int loss_percent = 0; | 80 int loss_percent = 0; |
| 80 // If packets are allowed to be reordered. | 81 // If packets are allowed to be reordered. |
| 81 bool allow_reordering = false; | 82 bool allow_reordering = false; |
| 82 // The average length of a burst of lost packets. | 83 // The average length of a burst of lost packets. |
| 83 int avg_burst_loss_length = -1; | 84 int avg_burst_loss_length = -1; |
| 84 }; | 85 }; |
| 85 | 86 |
| 86 FakeNetworkPipe(Clock* clock, const FakeNetworkPipe::Config& config); | 87 FakeNetworkPipe(Clock* clock, const FakeNetworkPipe::Config& config, |
| 88 MediaType media_type); |
| 87 FakeNetworkPipe(Clock* clock, | 89 FakeNetworkPipe(Clock* clock, |
| 88 const FakeNetworkPipe::Config& config, | 90 const FakeNetworkPipe::Config& config, MediaType media_type, |
| 89 uint64_t seed); | 91 uint64_t seed); |
| 90 ~FakeNetworkPipe(); | 92 ~FakeNetworkPipe(); |
| 91 | 93 |
| 92 // Must not be called in parallel with SendPacket or Process. | 94 // Must not be called in parallel with SendPacket or Process. |
| 93 void SetReceiver(PacketReceiver* receiver); | 95 void SetReceiver(PacketReceiver* receiver); |
| 94 | 96 |
| 95 // Sets a new configuration. This won't affect packets already in the pipe. | 97 // Sets a new configuration. This won't affect packets already in the pipe. |
| 96 void SetConfig(const FakeNetworkPipe::Config& config); | 98 void SetConfig(const FakeNetworkPipe::Config& config); |
| 97 | 99 |
| 98 // Sends a new packet to the link. | 100 // Sends a new packet to the link. |
| 99 void SendPacket(const uint8_t* packet, size_t packet_length); | 101 void SendPacket(const uint8_t* packet, size_t packet_length); |
| 100 | 102 |
| 101 // Processes the network queues and trigger PacketReceiver::IncomingPacket for | 103 // Processes the network queues and trigger PacketReceiver::IncomingPacket for |
| 102 // packets ready to be delivered. | 104 // packets ready to be delivered. |
| 103 void Process(); | 105 void Process(); |
| 104 int64_t TimeUntilNextProcess() const; | 106 int64_t TimeUntilNextProcess() const; |
| 105 | 107 |
| 106 // Get statistics. | 108 // Get statistics. |
| 107 float PercentageLoss(); | 109 float PercentageLoss(); |
| 108 int AverageDelay(); | 110 int AverageDelay(); |
| 109 size_t dropped_packets() { return dropped_packets_; } | 111 size_t dropped_packets() { return dropped_packets_; } |
| 110 size_t sent_packets() { return sent_packets_; } | 112 size_t sent_packets() { return sent_packets_; } |
| 111 | 113 |
| 112 private: | 114 private: |
| 113 Clock* const clock_; | 115 Clock* const clock_; |
| 116 const MediaType media_type_; |
| 114 rtc::CriticalSection lock_; | 117 rtc::CriticalSection lock_; |
| 115 PacketReceiver* packet_receiver_; | 118 PacketReceiver* packet_receiver_; |
| 116 std::queue<NetworkPacket*> capacity_link_; | 119 std::queue<NetworkPacket*> capacity_link_; |
| 117 Random random_; | 120 Random random_; |
| 118 | 121 |
| 119 // Since we need to access both the packet with the earliest and latest | 122 // Since we need to access both the packet with the earliest and latest |
| 120 // arrival time we need to use a multiset to keep all packets sorted, | 123 // arrival time we need to use a multiset to keep all packets sorted, |
| 121 // hence, we cannot use a priority queue. | 124 // hence, we cannot use a priority queue. |
| 122 struct PacketArrivalTimeComparator { | 125 struct PacketArrivalTimeComparator { |
| 123 bool operator()(const NetworkPacket* p1, const NetworkPacket* p2) { | 126 bool operator()(const NetworkPacket* p1, const NetworkPacket* p2) { |
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| 147 int64_t next_process_time_; | 150 int64_t next_process_time_; |
| 148 | 151 |
| 149 int64_t last_log_time_; | 152 int64_t last_log_time_; |
| 150 | 153 |
| 151 RTC_DISALLOW_COPY_AND_ASSIGN(FakeNetworkPipe); | 154 RTC_DISALLOW_COPY_AND_ASSIGN(FakeNetworkPipe); |
| 152 }; | 155 }; |
| 153 | 156 |
| 154 } // namespace webrtc | 157 } // namespace webrtc |
| 155 | 158 |
| 156 #endif // WEBRTC_TEST_FAKE_NETWORK_PIPE_H_ | 159 #endif // WEBRTC_TEST_FAKE_NETWORK_PIPE_H_ |
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