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Implement Network Bridge (#1280)

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* network bridge skeleton

* move some primitives around and add debug impls

* protocol registration glue & abstract network interface

* add send_msgs to subsystemctx

* select logic

* transform different events into actions and handle

* implement remaining network bridge state machine

* start test skeleton

* make network methods asynchronous

* extract subsystem out to subsystem crate

* port over overseer to subsystem context trait

* fix minimal example

* fix overseer doc test

* update network-bridge crate

* write a subsystem test-helpers crate

* write a network test helper for network-bridge

* set up (broken) view test

* Revamp network to be more async-friendly and not require Sync

* fix spacing

* fix test compilation

* insert side-channel for actions

* Add some more message types to AllMessages

* introduce a test harness

* add some tests

* ensure service compiles and passes tests

* fix typo

* fix service-new compilation

* Subsystem test helpers send messages synchronously

* remove smelly action inspector

* remove superfluous let binding

* fix warnings

* Update node/network/bridge/src/lib.rs

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>

* fix compilation

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>
This commit is contained in:
Robert Habermeier
2020-06-30 11:21:40 -04:00
committed by GitHub
parent 90de55918a
commit d16e7485d4
16 changed files with 1533 additions and 169 deletions
Download Patch File Download Diff File Expand all files Collapse all files
polkadot/node/overseer/examples/minimal-example.rs
+15 -10
View File
@@ -28,16 +28,17 @@ use futures_timer::Delay;
use kv_log_macro as log;
use polkadot_primitives::parachain::{BlockData, PoVBlock};
use polkadot_overseer::{Overseer, Subsystem, SubsystemContext, SpawnedSubsystem};
use polkadot_overseer::Overseer;
use messages::{
AllMessages, CandidateBackingMessage, FromOverseer, CandidateValidationMessage
use polkadot_subsystem::{Subsystem, SubsystemContext, SpawnedSubsystem, FromOverseer};
use polkadot_subsystem::messages::{
AllMessages, CandidateBackingMessage, CandidateValidationMessage
};
struct Subsystem1;
impl Subsystem1 {
async fn run(mut ctx: SubsystemContext<CandidateBackingMessage>) {
async fn run(mut ctx: impl SubsystemContext<Message=CandidateBackingMessage>) {
loop {
match ctx.try_recv().await {
Ok(Some(msg)) => {
@@ -56,7 +57,7 @@ impl Subsystem1 {
Delay::new(Duration::from_secs(1)).await;
let (tx, _) = oneshot::channel();
ctx.send_msg(AllMessages::CandidateValidation(
ctx.send_message(AllMessages::CandidateValidation(
CandidateValidationMessage::Validate(
Default::default(),
Default::default(),
@@ -70,8 +71,10 @@ impl Subsystem1 {
}
}
impl Subsystem<CandidateBackingMessage> for Subsystem1 {
fn start(&mut self, ctx: SubsystemContext<CandidateBackingMessage>) -> SpawnedSubsystem {
impl<C> Subsystem<C> for Subsystem1
where C: SubsystemContext<Message=CandidateBackingMessage>
{
fn start(&mut self, ctx: C) -> SpawnedSubsystem {
SpawnedSubsystem(Box::pin(async move {
Self::run(ctx).await;
}))
@@ -81,7 +84,7 @@ impl Subsystem<CandidateBackingMessage> for Subsystem1 {
struct Subsystem2;
impl Subsystem2 {
async fn run(mut ctx: SubsystemContext<CandidateValidationMessage>) {
async fn run(mut ctx: impl SubsystemContext<Message=CandidateValidationMessage>) {
ctx.spawn(Box::pin(async {
loop {
log::info!("Job tick");
@@ -105,8 +108,10 @@ impl Subsystem2 {
}
}
impl Subsystem<CandidateValidationMessage> for Subsystem2 {
fn start(&mut self, ctx: SubsystemContext<CandidateValidationMessage>) -> SpawnedSubsystem {
impl<C> Subsystem<C> for Subsystem2
where C: SubsystemContext<Message=CandidateValidationMessage>
{
fn start(&mut self, ctx: C) -> SpawnedSubsystem {
SpawnedSubsystem(Box::pin(async move {
Self::run(ctx).await;
}))