Sulkta-OSS/pallas
3
0
Fork 0
Code Issues 1 Pull requests 4 Projects Releases Packages Wiki Activity Actions

feat(multiplexer): Allow fine-grained control of concurrency strategy (#106)

Browse source
This commit is contained in:
Santiago Carmuega 2022-06-03 21:37:38 -03:00 • committed by GitHub
parent 07fb2ca016
commit e4784f444d
23 changed files with 822 additions and 559 deletions
Download patch file Download diff file Expand all files Collapse all files

27
examples/n2c-miniprotocols/src/main.rs
View file

@ -1,6 +1,6 @@
use pallas::network::{
miniprotocols::{chainsync, handshake, localstate, run_agent, Point, MAINNET_MAGIC},
multiplexer::Multiplexer,
multiplexer,
};
use std::os::unix::net::UnixStream;
@ -45,15 +45,12 @@ impl chainsync::Observer<chainsync::HeaderContent> for LoggingObserver {
}
}
fn do_handshake(muxer: &mut Multiplexer) {
let mut channel = muxer.use_channel(0);
fn do_handshake(mut channel: multiplexer::StdChannel) {
let versions = handshake::n2c::VersionTable::v1_and_above(MAINNET_MAGIC);
let _last = run_agent(handshake::Initiator::initial(versions), &mut channel).unwrap();
}
fn do_localstate_query(muxer: &mut Multiplexer) {
let mut channel = muxer.use_channel(7);
fn do_localstate_query(mut channel: multiplexer::StdChannel) {
let agent = run_agent(
localstate::OneShotClient::<localstate::queries::QueryV10>::initial(
None,
@ -65,9 +62,7 @@ fn do_localstate_query(muxer: &mut Multiplexer) {
log::info!("state query result: {:?}", agent);
}
fn do_chainsync(muxer: &mut Multiplexer) {
let mut channel = muxer.use_channel(5);
fn do_chainsync(mut channel: multiplexer::StdChannel) {
let known_points = vec![Point::Specific(
43847831u64,
hex::decode("15b9eeee849dd6386d3770b0745e0450190f7560e5159b1b3ab13b14b2684a45").unwrap(),
@ -95,14 +90,20 @@ fn main() {
// setup the multiplexer by specifying the bearer and the IDs of the
// miniprotocols to use
let mut muxer = Multiplexer::setup(bearer, &[0, 4, 5]).unwrap();
let mut plexer = multiplexer::StdPlexer::new(bearer);
let channel0 = multiplexer::use_channel(&mut plexer, 0);
let channel7 = multiplexer::use_channel(&mut plexer, 7);
let channel5 = multiplexer::use_channel(&mut plexer, 5);
multiplexer::spawn_muxer(plexer.muxer);
multiplexer::spawn_demuxer(plexer.demuxer);
// execute the required handshake against the relay
do_handshake(&mut muxer);
do_handshake(channel0);
// execute an arbitrary "Local State" query against the node
do_localstate_query(&mut muxer);
do_localstate_query(channel7);
// execute the chainsync flow from an arbitrary point in the chain
do_chainsync(&mut muxer);
do_chainsync(channel5);
}