1 /* 2 * Copyright 2017 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 11 #include "rtc_base/net_helper.h" 12 13 #include "absl/strings/string_view.h" 14 15 namespace cricket { 16 17 const char UDP_PROTOCOL_NAME[] = "udp"; 18 const char TCP_PROTOCOL_NAME[] = "tcp"; 19 const char SSLTCP_PROTOCOL_NAME[] = "ssltcp"; 20 const char TLS_PROTOCOL_NAME[] = "tls"; 21 GetProtocolOverhead(absl::string_view protocol)22int GetProtocolOverhead(absl::string_view protocol) { 23 if (protocol == TCP_PROTOCOL_NAME || protocol == SSLTCP_PROTOCOL_NAME) { 24 return kTcpHeaderSize; 25 } else if (protocol == UDP_PROTOCOL_NAME) { 26 return kUdpHeaderSize; 27 } else { 28 // TODO(srte): We should crash on unexpected input and handle TLS correctly. 29 return 8; 30 } 31 } 32 33 } // namespace cricket 34