GossipSub tuning. More...

#include <pubsub.h>

Public Attributes
int	mesh_target = 6
	D — desired mesh degree per topic.

int	mesh_low = 4
	D_low — graft more peers below this.

int	mesh_high = 12
	D_high— prune peers above this.

int	fanout_size = 6
	peers used to publish to a topic we are not subscribed to

int	gossip_factor = 6
	D_lazy— peers we emit IHAVE to per heartbeat per topic.

std::chrono::milliseconds	fanout_ttl {60000}
	drop a fanout set idle this long

std::chrono::milliseconds	heartbeat_interval {1000}
	mesh maintenance + gossip cadence

int	history_length = 5
	heartbeat windows the message cache keeps (for IWANT)

int	history_gossip = 3
	of those, how many windows IHAVE advertises

size_t	seen_limit = 8192
	dedup ids remembered

Detailed Description

GossipSub tuning.

Defaults mirror the libp2p reference (D=6, D_low=4, D_high=12) and are sensible for small-to-medium meshes.

Definition at line 65 of file pubsub.h.

Member Data Documentation

◆ fanout_size

int librats::PubSub::Config::fanout_size = 6

peers used to publish to a topic we are not subscribed to

Definition at line 69 of file pubsub.h.

◆ fanout_ttl

std::chrono::milliseconds librats::PubSub::Config::fanout_ttl {60000}

drop a fanout set idle this long

Definition at line 71 of file pubsub.h.

◆ gossip_factor

int librats::PubSub::Config::gossip_factor = 6

D_lazy— peers we emit IHAVE to per heartbeat per topic.

Definition at line 70 of file pubsub.h.

◆ heartbeat_interval

std::chrono::milliseconds librats::PubSub::Config::heartbeat_interval {1000}

mesh maintenance + gossip cadence

Definition at line 72 of file pubsub.h.

◆ history_gossip

int librats::PubSub::Config::history_gossip = 3

of those, how many windows IHAVE advertises

Definition at line 74 of file pubsub.h.

◆ history_length

int librats::PubSub::Config::history_length = 5

heartbeat windows the message cache keeps (for IWANT)

Definition at line 73 of file pubsub.h.

◆ mesh_high

int librats::PubSub::Config::mesh_high = 12

D_high— prune peers above this.

Definition at line 68 of file pubsub.h.

◆ mesh_low

int librats::PubSub::Config::mesh_low = 4

D_low — graft more peers below this.

Definition at line 67 of file pubsub.h.

◆ mesh_target

int librats::PubSub::Config::mesh_target = 6

D — desired mesh degree per topic.

Definition at line 66 of file pubsub.h.

◆ seen_limit

size_t librats::PubSub::Config::seen_limit = 8192

dedup ids remembered

Definition at line 75 of file pubsub.h.

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

subsystems/pubsub.h

Public Attributes