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/*
* Copyright 2020 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 PC_USAGE_PATTERN_H_
#define PC_USAGE_PATTERN_H_
#include "api/peer_connection_interface.h"
namespace webrtc {
class PeerConnectionObserver;
// A bit in the usage pattern is registered when its defining event occurs
// at least once.
enum class UsageEvent : int {
TURN_SERVER_ADDED = 0x01,
STUN_SERVER_ADDED = 0x02,
DATA_ADDED = 0x04,
AUDIO_ADDED = 0x08,
VIDEO_ADDED = 0x10,
// `SetLocalDescription` returns successfully.
SET_LOCAL_DESCRIPTION_SUCCEEDED = 0x20,
// `SetRemoteDescription` returns successfully.
SET_REMOTE_DESCRIPTION_SUCCEEDED = 0x40,
// A local candidate (with type host, server-reflexive, or relay) is
// collected.
CANDIDATE_COLLECTED = 0x80,
// A remote candidate is successfully added via `AddIceCandidate`.
ADD_ICE_CANDIDATE_SUCCEEDED = 0x100,
ICE_STATE_CONNECTED = 0x200,
CLOSE_CALLED = 0x400,
// A local candidate with private IP is collected.
PRIVATE_CANDIDATE_COLLECTED = 0x800,
// A remote candidate with private IP is added, either via AddiceCandidate
// or from the remote description.
REMOTE_PRIVATE_CANDIDATE_ADDED = 0x1000,
// A local mDNS candidate is collected.
MDNS_CANDIDATE_COLLECTED = 0x2000,
// A remote mDNS candidate is added, either via AddIceCandidate or from the
// remote description.
REMOTE_MDNS_CANDIDATE_ADDED = 0x4000,
// A local candidate with IPv6 address is collected.
IPV6_CANDIDATE_COLLECTED = 0x8000,
// A remote candidate with IPv6 address is added, either via AddIceCandidate
// or from the remote description.
REMOTE_IPV6_CANDIDATE_ADDED = 0x10000,
// A remote candidate (with type host, server-reflexive, or relay) is
// successfully added, either via AddIceCandidate or from the remote
// description.
REMOTE_CANDIDATE_ADDED = 0x20000,
// An explicit host-host candidate pair is selected, i.e. both the local and
// the remote candidates have the host type. This does not include candidate
// pairs formed with equivalent prflx remote candidates, e.g. a host-prflx
// pair where the prflx candidate has the same base as a host candidate of
// the remote peer.
DIRECT_CONNECTION_SELECTED = 0x40000,
MAX_VALUE = 0x80000,
};
class UsagePattern {
public:
void NoteUsageEvent(UsageEvent event);
void ReportUsagePattern(PeerConnectionObserver* observer) const;
private:
int usage_event_accumulator_ = 0;
};
} // namespace webrtc
#endif // PC_USAGE_PATTERN_H_
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