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package ice
import (
"time"
)
// CandidatePairStats contains ICE candidate pair statistics
type CandidatePairStats struct {
// Timestamp is the timestamp associated with this object.
Timestamp time.Time
// LocalCandidateID is the ID of the local candidate
LocalCandidateID string
// RemoteCandidateID is the ID of the remote candidate
RemoteCandidateID string
// State represents the state of the checklist for the local and remote
// candidates in a pair.
State CandidatePairState
// Nominated is true when this valid pair that should be used for media
// if it is the highest-priority one amongst those whose nominated flag is set
Nominated bool
// PacketsSent represents the total number of packets sent on this candidate pair.
PacketsSent uint32
// PacketsReceived represents the total number of packets received on this candidate pair.
PacketsReceived uint32
// BytesSent represents the total number of payload bytes sent on this candidate pair
// not including headers or padding.
BytesSent uint64
// BytesReceived represents the total number of payload bytes received on this candidate pair
// not including headers or padding.
BytesReceived uint64
// LastPacketSentTimestamp represents the timestamp at which the last packet was
// sent on this particular candidate pair, excluding STUN packets.
LastPacketSentTimestamp time.Time
// LastPacketReceivedTimestamp represents the timestamp at which the last packet
// was received on this particular candidate pair, excluding STUN packets.
LastPacketReceivedTimestamp time.Time
// FirstRequestTimestamp represents the timestamp at which the first STUN request
// was sent on this particular candidate pair.
FirstRequestTimestamp time.Time
// LastRequestTimestamp represents the timestamp at which the last STUN request
// was sent on this particular candidate pair. The average interval between two
// consecutive connectivity checks sent can be calculated with
// (LastRequestTimestamp - FirstRequestTimestamp) / RequestsSent.
LastRequestTimestamp time.Time
// LastResponseTimestamp represents the timestamp at which the last STUN response
// was received on this particular candidate pair.
LastResponseTimestamp time.Time
// TotalRoundTripTime represents the sum of all round trip time measurements
// in seconds since the beginning of the session, based on STUN connectivity
// check responses (ResponsesReceived), including those that reply to requests
// that are sent in order to verify consent. The average round trip time can
// be computed from TotalRoundTripTime by dividing it by ResponsesReceived.
TotalRoundTripTime float64
// CurrentRoundTripTime represents the latest round trip time measured in seconds,
// computed from both STUN connectivity checks, including those that are sent
// for consent verification.
CurrentRoundTripTime float64
// AvailableOutgoingBitrate is calculated by the underlying congestion control
// by combining the available bitrate for all the outgoing RTP streams using
// this candidate pair. The bitrate measurement does not count the size of the
// IP or other transport layers like TCP or UDP. It is similar to the TIAS defined
// in RFC 3890, i.e., it is measured in bits per second and the bitrate is calculated
// over a 1 second window.
AvailableOutgoingBitrate float64
// AvailableIncomingBitrate is calculated by the underlying congestion control
// by combining the available bitrate for all the incoming RTP streams using
// this candidate pair. The bitrate measurement does not count the size of the
// IP or other transport layers like TCP or UDP. It is similar to the TIAS defined
// in RFC 3890, i.e., it is measured in bits per second and the bitrate is
// calculated over a 1 second window.
AvailableIncomingBitrate float64
// CircuitBreakerTriggerCount represents the number of times the circuit breaker
// is triggered for this particular 5-tuple, ceasing transmission.
CircuitBreakerTriggerCount uint32
// RequestsReceived represents the total number of connectivity check requests
// received (including retransmissions). It is impossible for the receiver to
// tell whether the request was sent in order to check connectivity or check
// consent, so all connectivity checks requests are counted here.
RequestsReceived uint64
// RequestsSent represents the total number of connectivity check requests
// sent (not including retransmissions).
RequestsSent uint64
// ResponsesReceived represents the total number of connectivity check responses received.
ResponsesReceived uint64
// ResponsesSent represents the total number of connectivity check responses sent.
// Since we cannot distinguish connectivity check requests and consent requests,
// all responses are counted.
ResponsesSent uint64
// RetransmissionsReceived represents the total number of connectivity check
// request retransmissions received.
RetransmissionsReceived uint64
// RetransmissionsSent represents the total number of connectivity check
// request retransmissions sent.
RetransmissionsSent uint64
// ConsentRequestsSent represents the total number of consent requests sent.
ConsentRequestsSent uint64
// ConsentExpiredTimestamp represents the timestamp at which the latest valid
// STUN binding response expired.
ConsentExpiredTimestamp time.Time
}
// CandidateStats contains ICE candidate statistics related to the ICETransport objects.
type CandidateStats struct {
// Timestamp is the timestamp associated with this object.
Timestamp time.Time
// ID is the candidate ID
ID string
// NetworkType represents the type of network interface used by the base of a
// local candidate (the address the ICE agent sends from). Only present for
// local candidates; it's not possible to know what type of network interface
// a remote candidate is using.
//
// Note:
// This stat only tells you about the network interface used by the first "hop";
// it's possible that a connection will be bottlenecked by another type of network.
// For example, when using Wi-Fi tethering, the networkType of the relevant candidate
// would be "wifi", even when the next hop is over a cellular connection.
NetworkType NetworkType
// IP is the IP address of the candidate, allowing for IPv4 addresses and
// IPv6 addresses, but fully qualified domain names (FQDNs) are not allowed.
IP string
// Port is the port number of the candidate.
Port int
// CandidateType is the "Type" field of the ICECandidate.
CandidateType CandidateType
// Priority is the "Priority" field of the ICECandidate.
Priority uint32
// URL is the URL of the TURN or STUN server indicated in the that translated
// this IP address. It is the URL address surfaced in an PeerConnectionICEEvent.
URL string
// RelayProtocol is the protocol used by the endpoint to communicate with the
// TURN server. This is only present for local candidates. Valid values for
// the TURN URL protocol is one of udp, tcp, or tls.
RelayProtocol string
// Deleted is true if the candidate has been deleted/freed. For host candidates,
// this means that any network resources (typically a socket) associated with the
// candidate have been released. For TURN candidates, this means the TURN allocation
// is no longer active.
//
// Only defined for local candidates. For remote candidates, this property is not applicable.
Deleted bool
}
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