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1 /* | 1 /* |
2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2017 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 #include "webrtc/call/rtp_demuxer.h" |
| 12 |
11 #include "webrtc/base/checks.h" | 13 #include "webrtc/base/checks.h" |
12 #include "webrtc/call/rtp_demuxer.h" | 14 #include "webrtc/base/logging.h" |
13 #include "webrtc/call/rtp_packet_sink_interface.h" | 15 #include "webrtc/call/rtp_packet_sink_interface.h" |
14 #include "webrtc/modules/rtp_rtcp/source/rtp_header_extensions.h" | 16 #include "webrtc/modules/rtp_rtcp/source/rtp_header_extensions.h" |
15 #include "webrtc/modules/rtp_rtcp/source/rtp_packet_received.h" | 17 #include "webrtc/modules/rtp_rtcp/source/rtp_packet_received.h" |
16 | 18 |
17 namespace webrtc { | 19 namespace webrtc { |
18 | 20 |
19 namespace { | 21 namespace { |
20 | 22 |
21 constexpr size_t kMaxProcessedSsrcs = 1000; // Prevent memory overuse. | 23 constexpr size_t kMaxProcessedSsrcs = 1000; // Prevent memory overuse. |
22 | 24 |
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111 RecordSsrcToSinkAssociation(packet.Ssrc(), it->second); | 113 RecordSsrcToSinkAssociation(packet.Ssrc(), it->second); |
112 } | 114 } |
113 | 115 |
114 // To prevent memory-overuse attacks, forget this RSID. Future packets | 116 // To prevent memory-overuse attacks, forget this RSID. Future packets |
115 // with this RSID, but a different SSRC, will not spawn new associations. | 117 // with this RSID, but a different SSRC, will not spawn new associations. |
116 rsid_sinks_.erase(it_range.first, it_range.second); | 118 rsid_sinks_.erase(it_range.first, it_range.second); |
117 } | 119 } |
118 | 120 |
119 if (processed_ssrcs_.size() < kMaxProcessedSsrcs) { // Prevent memory overuse | 121 if (processed_ssrcs_.size() < kMaxProcessedSsrcs) { // Prevent memory overuse |
120 processed_ssrcs_.insert(packet.Ssrc()); // Avoid re-examining in-depth. | 122 processed_ssrcs_.insert(packet.Ssrc()); // Avoid re-examining in-depth. |
| 123 } else if (!logged_max_processed_ssrcs_exceeded_) { |
| 124 LOG(LS_WARNING) << "More than " << kMaxProcessedSsrcs |
| 125 << " different SSRCs seen."; |
| 126 logged_max_processed_ssrcs_exceeded_ = true; |
121 } | 127 } |
122 } | 128 } |
123 | 129 |
124 } // namespace webrtc | 130 } // namespace webrtc |
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