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/*
* Copyright 2016 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_NETWORK_ROUTE_H_
#define RTC_BASE_NETWORK_ROUTE_H_
#include <stdint.h>
#include <string>
#include "rtc_base/network_constants.h"
#include "rtc_base/strings/string_builder.h"
#include "rtc_base/system/inline.h"
// TODO(honghaiz): Make a directory that describes the interfaces and structs
// the media code can rely on and the network code can implement, and both can
// depend on that, but not depend on each other. Then, move this file to that
// directory.
namespace rtc {
class RouteEndpoint {
public:
RouteEndpoint() {} // Used by tests.
RouteEndpoint(AdapterType adapter_type,
uint16_t adapter_id,
uint16_t network_id,
bool uses_turn)
: adapter_type_(adapter_type),
adapter_id_(adapter_id),
network_id_(network_id),
uses_turn_(uses_turn) {}
RouteEndpoint(const RouteEndpoint&) = default;
RouteEndpoint& operator=(const RouteEndpoint&) = default;
// Used by tests.
static RouteEndpoint CreateWithNetworkId(uint16_t network_id) {
return RouteEndpoint(ADAPTER_TYPE_UNKNOWN,
/* adapter_id = */ 0, network_id,
/* uses_turn = */ false);
}
RouteEndpoint CreateWithTurn(bool uses_turn) const {
return RouteEndpoint(adapter_type_, adapter_id_, network_id_, uses_turn);
}
AdapterType adapter_type() const { return adapter_type_; }
uint16_t adapter_id() const { return adapter_id_; }
uint16_t network_id() const { return network_id_; }
bool uses_turn() const { return uses_turn_; }
bool operator==(const RouteEndpoint& other) const;
private:
AdapterType adapter_type_ = ADAPTER_TYPE_UNKNOWN;
uint16_t adapter_id_ = 0;
uint16_t network_id_ = 0;
bool uses_turn_ = false;
};
struct NetworkRoute {
bool connected = false;
RouteEndpoint local;
RouteEndpoint remote;
// Last packet id sent on the PREVIOUS route.
int last_sent_packet_id = -1;
// The overhead in bytes from IP layer and above.
// This is the maximum of any part of the route.
int packet_overhead = 0;
RTC_NO_INLINE inline std::string DebugString() const {
rtc::StringBuilder oss;
oss << "[ connected: " << connected << " local: [ " << local.adapter_id()
<< "/" << local.network_id() << " "
<< AdapterTypeToString(local.adapter_type())
<< " turn: " << local.uses_turn() << " ] remote: [ "
<< remote.adapter_id() << "/" << remote.network_id() << " "
<< AdapterTypeToString(remote.adapter_type())
<< " turn: " << remote.uses_turn()
<< " ] packet_overhead_bytes: " << packet_overhead << " ]";
return oss.Release();
}
bool operator==(const NetworkRoute& other) const;
};
} // namespace rtc
#endif // RTC_BASE_NETWORK_ROUTE_H_
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