Backtalker Struct Reference

A Backtalker is a peer sending us backchannel messages. More...

Collaboration diagram for Backtalker:

Data Fields
struct GNUNET_PeerIdentity	pid
	Peer this is about. More...
struct GNUNET_TIME_Absolute	monotonic_time
	Last (valid) monotonic time received from this sender. More...
struct GNUNET_TIME_Absolute	timeout
	When will this entry time out? More...
struct GNUNET_CRYPTO_HpkeEncapsulation	last_ephemeral
	Last (valid) ephemeral key received from this sender. More...
struct GNUNET_SCHEDULER_Task *	task
	Task associated with this backtalker. More...
struct CommunicatorMessageContext *	cmc
	Communicator context waiting on this backchannel's get, or NULL. More...
struct GNUNET_PEERSTORE_IterateContext *	get
	Handle for an operation to fetch monotonic_time information from the PEERSTORE, or NULL. More...
struct GNUNET_PEERSTORE_StoreContext *	sc
	Handle to a PEERSTORE store operation for this pid's monotonic_time. More...
size_t	body_size
	Number of bytes of the original message body that follows after this struct. More...

Detailed Description

A Backtalker is a peer sending us backchannel messages.

We use this struct to detect monotonic time violations, cache ephemeral key material (to avoid repeatedly checking signatures), and to synchronize monotonic time with the PEERSTORE.

Definition at line 2811 of file gnunet-service-transport.c.

Field Documentation

pid

struct GNUNET_PeerIdentity Backtalker::pid

Peer this is about.

Definition at line 2816 of file gnunet-service-transport.c.

Referenced by backtalker_monotime_cb(), free_backtalker(), handle_dv_box(), and update_backtalker_monotime().

monotonic_time

struct GNUNET_TIME_Absolute Backtalker::monotonic_time

Last (valid) monotonic time received from this sender.

Definition at line 2821 of file gnunet-service-transport.c.

Referenced by backtalker_monotime_cb(), handle_dv_box(), and update_backtalker_monotime().

timeout

struct GNUNET_TIME_Absolute Backtalker::timeout

When will this entry time out?

Definition at line 2826 of file gnunet-service-transport.c.

Referenced by backtalker_monotime_store_cb(), backtalker_timeout_cb(), and handle_dv_box().

last_ephemeral

struct GNUNET_CRYPTO_HpkeEncapsulation Backtalker::last_ephemeral

Last (valid) ephemeral key received from this sender.

Definition at line 2831 of file gnunet-service-transport.c.

Referenced by handle_dv_box().

task

struct GNUNET_SCHEDULER_Task* Backtalker::task

Task associated with this backtalker.

Can be for timeout, or other asynchronous operations.

Definition at line 2837 of file gnunet-service-transport.c.

Referenced by backtalker_monotime_store_cb(), backtalker_timeout_cb(), free_backtalker(), handle_dv_box(), and update_backtalker_monotime().

cmc

struct CommunicatorMessageContext* Backtalker::cmc

Communicator context waiting on this backchannel's get, or NULL.

Definition at line 2842 of file gnunet-service-transport.c.

Referenced by backtalker_monotime_cb(), free_backtalker(), and handle_dv_box().

get

struct GNUNET_PEERSTORE_IterateContext* Backtalker::get

Handle for an operation to fetch monotonic_time information from the PEERSTORE, or NULL.

Definition at line 2848 of file gnunet-service-transport.c.

Referenced by backtalker_monotime_cb(), free_backtalker(), and handle_dv_box().

sc

struct GNUNET_PEERSTORE_StoreContext* Backtalker::sc

Handle to a PEERSTORE store operation for this pid's monotonic_time.

NULL if no PEERSTORE operation is pending.

Definition at line 2854 of file gnunet-service-transport.c.

Referenced by backtalker_monotime_store_cb(), backtalker_timeout_cb(), free_backtalker(), and update_backtalker_monotime().

body_size

size_t Backtalker::body_size

Number of bytes of the original message body that follows after this struct.

Definition at line 2860 of file gnunet-service-transport.c.

Referenced by backtalker_monotime_cb(), and handle_dv_box().

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

• src/service/transport/gnunet-service-transport.c