61721239a7
Original PR: https://webrtc-review.googlesource.com/c/src/+/369780 Bug: webrtc:42225835 Change-Id: Iee5d183dfd51f8265d1354baaf05c060c01f860f Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/431822 Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/main@{#46662}
72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
/*
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* Copyright 2017 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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#include "rtc_base/net_helper.h"
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#include <optional>
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#include "absl/strings/match.h"
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#include "absl/strings/string_view.h"
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namespace webrtc {
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const char UDP_PROTOCOL_NAME[] = "udp";
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const char DTLS_PROTOCOL_NAME[] = "dtls";
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const char TCP_PROTOCOL_NAME[] = "tcp";
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const char SSLTCP_PROTOCOL_NAME[] = "ssltcp";
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const char TLS_PROTOCOL_NAME[] = "tls";
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int GetProtocolOverhead(absl::string_view protocol) {
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if (protocol == TCP_PROTOCOL_NAME || protocol == SSLTCP_PROTOCOL_NAME) {
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return kTcpHeaderSize;
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} else if (protocol == UDP_PROTOCOL_NAME) {
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return kUdpHeaderSize;
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} else {
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// TODO(srte): We should crash on unexpected input and handle DTLS and TLS
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// correctly.
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return 8;
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}
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}
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absl::string_view ProtoToString(ProtocolType proto) {
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switch (proto) {
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case PROTO_UDP:
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return UDP_PROTOCOL_NAME;
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case PROTO_DTLS:
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return DTLS_PROTOCOL_NAME;
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case PROTO_TCP:
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return TCP_PROTOCOL_NAME;
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case PROTO_SSLTCP:
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return SSLTCP_PROTOCOL_NAME;
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case PROTO_TLS:
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return TLS_PROTOCOL_NAME;
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}
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}
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std::optional<ProtocolType> StringToProto(absl::string_view proto_name) {
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struct {
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ProtocolType type;
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absl::string_view name;
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} const mappings[] = {
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{.type = PROTO_UDP, .name = UDP_PROTOCOL_NAME},
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{.type = PROTO_TCP, .name = TCP_PROTOCOL_NAME},
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{.type = PROTO_SSLTCP, .name = SSLTCP_PROTOCOL_NAME},
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{.type = PROTO_TLS, .name = TLS_PROTOCOL_NAME},
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};
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for (const auto& m : mappings) {
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if (absl::EqualsIgnoreCase(m.name, proto_name)) {
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return m.type;
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}
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}
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return std::nullopt;
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}
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} // namespace webrtc
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