1 /*
2 * Copyright (c) 2021 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 #include "net/dcsctp/public/text_pcap_packet_observer.h"
11
12 #include "api/array_view.h"
13 #include "net/dcsctp/public/types.h"
14 #include "rtc_base/logging.h"
15 #include "rtc_base/strings/string_builder.h"
16
17 namespace dcsctp {
18
OnSentPacket(dcsctp::TimeMs now,rtc::ArrayView<const uint8_t> payload)19 void TextPcapPacketObserver::OnSentPacket(
20 dcsctp::TimeMs now,
21 rtc::ArrayView<const uint8_t> payload) {
22 PrintPacket("O ", name_, now, payload);
23 }
24
OnReceivedPacket(dcsctp::TimeMs now,rtc::ArrayView<const uint8_t> payload)25 void TextPcapPacketObserver::OnReceivedPacket(
26 dcsctp::TimeMs now,
27 rtc::ArrayView<const uint8_t> payload) {
28 PrintPacket("I ", name_, now, payload);
29 }
30
PrintPacket(absl::string_view prefix,absl::string_view socket_name,dcsctp::TimeMs now,rtc::ArrayView<const uint8_t> payload)31 void TextPcapPacketObserver::PrintPacket(
32 absl::string_view prefix,
33 absl::string_view socket_name,
34 dcsctp::TimeMs now,
35 rtc::ArrayView<const uint8_t> payload) {
36 rtc::StringBuilder s;
37 s << "\n" << prefix;
38 int64_t remaining = *now % (24 * 60 * 60 * 1000);
39 int hours = remaining / (60 * 60 * 1000);
40 remaining = remaining % (60 * 60 * 1000);
41 int minutes = remaining / (60 * 1000);
42 remaining = remaining % (60 * 1000);
43 int seconds = remaining / 1000;
44 int ms = remaining % 1000;
45 s.AppendFormat("%02d:%02d:%02d.%03d", hours, minutes, seconds, ms);
46 s << " 0000";
47 for (uint8_t byte : payload) {
48 s.AppendFormat(" %02x", byte);
49 }
50 s << " # SCTP_PACKET " << socket_name;
51 RTC_LOG(LS_VERBOSE) << s.str();
52 }
53
54 } // namespace dcsctp
55