imquic_connection Struct Reference

QUIC Connection. More...

#include <connection.h>

Collaboration diagram for imquic_connection:

Data Fields
char *	name
	Name of this connection (for logging purposes)
gboolean	is_server
	Whether this is a server or a client connection (inherited from the endpoint)
gboolean	just_started
	Whether this connection has just started (e.g., to decide whether we need to derive initial secrets)
gboolean	have_params
	Whether we already received the peer QUIC transport parameters.
imquic_connection_id	initial_cid
	Initial Connection ID.
imquic_connection_id	local_cid
	Local and remote Connection ID.
imquic_connection_id	remote_cid
imquic_connection_id	new_remote_cid
	New remote Connection ID.
GList *	connection_ids
	List of Connection IDs our peer has used.
enum ssl_encryption_level_t	level
	Current encryption level.
imquic_data_fixed	retry_token
	Retry token, if any.
uint64_t	pkn [4]
	Current outgoing packet number for each encryption level.
imquic_connection_parameters	local_params
	Transport parameters (local and remote)
imquic_connection_parameters	remote_params
imquic_data	alpn
	ALPN.
uint64_t	stream_next_uni
	Next unidirectional and bidirectional stream we can create (as actual ID, not QUIC one)
uint64_t	stream_next_bidi
GHashTable *	streams
	Map of streams we're handling, and map of streams that are now done.
GHashTable *	streams_done
GQueue *	incoming_data
	Queued streams to process.
GQueue *	outgoing_data
	Queued data to send.
GQueue *	outgoing_datagram
imquic_listmap *	blocked_streams
	Listmap of blocked streams, in case we're waiting for credits.
volatile gint	wakeup
	Trigger to wake the loop for this connection as part of the imquic_connection_source management.
imquic_connection_rtt	rtt
	Different RTTs for this connection.
imquic_connection_flow_control	flow_control
	Flow control state.
GList *	recvd [4]
	List of received packet numbers, for each encryption level.
uint64_t	largest [4]
	Largest received packet numbers, for each encryption level.
size_t	ack_eliciting_in_flight [4]
	Number of ACK eliciting packets in flight, for each encryption level.
int64_t	last_ack_eliciting_time [4]
	Monotonic time of when we sent the last ACK eliciting packet, for each encryption level.
int64_t	largest_time [4]
	Monotonic time of when we received the largest packet numbers, per each encryption level (for ACK delay purposes)
int64_t	loss_time [4]
	Monotonic time of when the next packet can be considered, lost, per each encryption level.
imquic_listmap *	sent_pkts [4]
	Sent packets, per each encryption level.
uint64_t	largest_acked [4]
	Largest acked packet numbers, for each encryption level.
gboolean	send_ack [5]
	Whether we have ACKs to send for a specific encryption level.
imquic_protection	keys [4]
	Keys (protection, encryption) for each encryption level.
gboolean	current_phase
	Current value of the key phase bit.
SSL *	ssl
	Encryption instance.
imquic_buffer *	crypto_in [4]
	Buffers for incoming and outgoing CRYPTO exchanges, at each encryption level.
imquic_buffer *	crypto_out [4]
gboolean	send_crypto
	Whether we have CRYPTO frames to send.
gboolean	alpn_negotiated
	Whether an ALPN has been negotiated.
gboolean	connected
	Whether this connection has been established.
imquic_network_endpoint *	socket
	Networking instance for this connection.
imquic_network_address	peer
	Network address of the peer.
imquic_http3_connection *	http3
	WebTransport context, if any.
imquic_source *	ld_timer
	Loss detection timer.
int64_t	last_activity
	Monotonic time of when we last got activity.
imquic_source *	idle_timer
	Idle timer.
uint8_t	pto_count
	PTO count.
imquic_source *	loop_source
	Loop source.
uint32_t	dgram_id_in
	Incoming and outgoing datagram IDs.
uint32_t	dgram_id_out
imquic_qlog *	qlog
	QLOG instance, if any.
imquic_mutex	mutex
	Mutex.
gboolean	should_close
	Whether this connection should be closed.
volatile gint	closed
	Whether this connection has been closed.
volatile gint	destroyed
	Whether this instance has been destroyed (reference counting)
imquic_refcount	ref
	Reference counter.

Detailed Description

QUIC Connection.

Field Documentation

ack_eliciting_in_flight

size_t imquic_connection::ack_eliciting_in_flight[4]

Number of ACK eliciting packets in flight, for each encryption level.

alpn

imquic_data imquic_connection::alpn

ALPN.

alpn_negotiated

gboolean imquic_connection::alpn_negotiated

Whether an ALPN has been negotiated.

blocked_streams

imquic_listmap* imquic_connection::blocked_streams

Listmap of blocked streams, in case we're waiting for credits.

closed

volatile gint imquic_connection::closed

Whether this connection has been closed.

connected

gboolean imquic_connection::connected

Whether this connection has been established.

connection_ids

GList* imquic_connection::connection_ids

List of Connection IDs our peer has used.

crypto_in

imquic_buffer* imquic_connection::crypto_in[4]

Buffers for incoming and outgoing CRYPTO exchanges, at each encryption level.

crypto_out

imquic_buffer * imquic_connection::crypto_out[4]

current_phase

gboolean imquic_connection::current_phase

Current value of the key phase bit.

destroyed

volatile gint imquic_connection::destroyed

Whether this instance has been destroyed (reference counting)

dgram_id_in

uint32_t imquic_connection::dgram_id_in

Incoming and outgoing datagram IDs.

dgram_id_out

uint32_t imquic_connection::dgram_id_out

flow_control

imquic_connection_flow_control imquic_connection::flow_control

Flow control state.

have_params

gboolean imquic_connection::have_params

Whether we already received the peer QUIC transport parameters.

http3

imquic_http3_connection* imquic_connection::http3

WebTransport context, if any.

idle_timer

imquic_source* imquic_connection::idle_timer

Idle timer.

incoming_data

GQueue* imquic_connection::incoming_data

Queued streams to process.

initial_cid

imquic_connection_id imquic_connection::initial_cid

Initial Connection ID.

is_server

gboolean imquic_connection::is_server

Whether this is a server or a client connection (inherited from the endpoint)

just_started

gboolean imquic_connection::just_started

Whether this connection has just started (e.g., to decide whether we need to derive initial secrets)

keys

imquic_protection imquic_connection::keys[4]

Keys (protection, encryption) for each encryption level.

largest

uint64_t imquic_connection::largest[4]

Largest received packet numbers, for each encryption level.

largest_acked

uint64_t imquic_connection::largest_acked[4]

Largest acked packet numbers, for each encryption level.

largest_time

int64_t imquic_connection::largest_time[4]

Monotonic time of when we received the largest packet numbers, per each encryption level (for ACK delay purposes)

last_ack_eliciting_time

int64_t imquic_connection::last_ack_eliciting_time[4]

Monotonic time of when we sent the last ACK eliciting packet, for each encryption level.

last_activity

int64_t imquic_connection::last_activity

Monotonic time of when we last got activity.

ld_timer

imquic_source* imquic_connection::ld_timer

Loss detection timer.

level

enum ssl_encryption_level_t imquic_connection::level

Current encryption level.

local_cid

imquic_connection_id imquic_connection::local_cid

Local and remote Connection ID.

local_params

imquic_connection_parameters imquic_connection::local_params

Transport parameters (local and remote)

loop_source

imquic_source* imquic_connection::loop_source

Loop source.

loss_time

int64_t imquic_connection::loss_time[4]

Monotonic time of when the next packet can be considered, lost, per each encryption level.

mutex

imquic_mutex imquic_connection::mutex

Mutex.

name

char* imquic_connection::name

Name of this connection (for logging purposes)

new_remote_cid

imquic_connection_id imquic_connection::new_remote_cid

New remote Connection ID.

outgoing_data

GQueue* imquic_connection::outgoing_data

Queued data to send.

outgoing_datagram

GQueue * imquic_connection::outgoing_datagram

peer

imquic_network_address imquic_connection::peer

Network address of the peer.

pkn

uint64_t imquic_connection::pkn[4]

Current outgoing packet number for each encryption level.

pto_count

uint8_t imquic_connection::pto_count

PTO count.

qlog

imquic_qlog* imquic_connection::qlog

QLOG instance, if any.

recvd

GList* imquic_connection::recvd[4]

List of received packet numbers, for each encryption level.

ref

imquic_refcount imquic_connection::ref

Reference counter.

remote_cid

imquic_connection_id imquic_connection::remote_cid

remote_params

imquic_connection_parameters imquic_connection::remote_params

retry_token

imquic_data_fixed imquic_connection::retry_token

Retry token, if any.

rtt

imquic_connection_rtt imquic_connection::rtt

Different RTTs for this connection.

send_ack

gboolean imquic_connection::send_ack[5]

Whether we have ACKs to send for a specific encryption level.

send_crypto

gboolean imquic_connection::send_crypto

Whether we have CRYPTO frames to send.

sent_pkts

imquic_listmap* imquic_connection::sent_pkts[4]

Sent packets, per each encryption level.

should_close

gboolean imquic_connection::should_close

Whether this connection should be closed.

socket

imquic_network_endpoint* imquic_connection::socket

Networking instance for this connection.

ssl

SSL* imquic_connection::ssl

Encryption instance.

stream_next_bidi

uint64_t imquic_connection::stream_next_bidi

stream_next_uni

uint64_t imquic_connection::stream_next_uni

Next unidirectional and bidirectional stream we can create (as actual ID, not QUIC one)

streams

GHashTable* imquic_connection::streams

Map of streams we're handling, and map of streams that are now done.

streams_done

GHashTable * imquic_connection::streams_done

wakeup

volatile gint imquic_connection::wakeup

Trigger to wake the loop for this connection as part of the imquic_connection_source management.

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The documentation for this struct was generated from the following file:

• connection.h