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/*
* Copyright 2017 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_NET_HELPER_H_
#define RTC_BASE_NET_HELPER_H_
#include "absl/strings/string_view.h"
#include "rtc_base/system/rtc_export.h"
// This header contains helper functions and constants used by different types
// of transports.
namespace webrtc {
RTC_EXPORT extern const char UDP_PROTOCOL_NAME[];
RTC_EXPORT extern const char TCP_PROTOCOL_NAME[];
extern const char SSLTCP_PROTOCOL_NAME[];
extern const char TLS_PROTOCOL_NAME[];
constexpr int kTcpHeaderSize = 20;
constexpr int kUdpHeaderSize = 8;
// Get the transport layer overhead per packet based on the protocol.
int GetProtocolOverhead(absl::string_view protocol);
} // namespace webrtc
// Re-export symbols from the webrtc namespace for backwards compatibility.
// TODO(bugs.webrtc.org/4222596): Remove once all references are updated.
#ifdef WEBRTC_ALLOW_DEPRECATED_NAMESPACES
namespace cricket {
using ::webrtc::GetProtocolOverhead;
using ::webrtc::kTcpHeaderSize;
using ::webrtc::kUdpHeaderSize;
using ::webrtc::SSLTCP_PROTOCOL_NAME;
using ::webrtc::TCP_PROTOCOL_NAME;
using ::webrtc::TLS_PROTOCOL_NAME;
using ::webrtc::UDP_PROTOCOL_NAME;
} // namespace cricket
#endif // WEBRTC_ALLOW_DEPRECATED_NAMESPACES
#endif // RTC_BASE_NET_HELPER_H_
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