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 namespace cricket {
14 
15 const char UDP_PROTOCOL_NAME[] = "udp";
16 const char TCP_PROTOCOL_NAME[] = "tcp";
17 const char SSLTCP_PROTOCOL_NAME[] = "ssltcp";
18 const char TLS_PROTOCOL_NAME[] = "tls";
19 
GetProtocolOverhead(const std::string & protocol)20 int GetProtocolOverhead(const std::string& protocol) {
21   if (protocol == TCP_PROTOCOL_NAME || protocol == SSLTCP_PROTOCOL_NAME) {
22     return kTcpHeaderSize;
23   } else if (protocol == UDP_PROTOCOL_NAME) {
24     return kUdpHeaderSize;
25   } else {
26     // TODO(srte): We should crash on unexpected input and handle TLS correctly.
27     return 8;
28   }
29 }
30 
31 }  // namespace cricket
32